-------------------------------------------------------------------------------- Profile data file 'results/clgout-nightly-2026-08-14-serde_derive-1.0.219-Clippy-Full-Threads1' (creator: callgrind-3.25.1) -------------------------------------------------------------------------------- I1 cache: D1 cache: LL cache: Timerange: Basic block 0 - 1171349558 Trigger: Program termination Profiled target: /home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver --crate-name serde_derive --edition=2015 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,metadata -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg feature="default" --check-cfg cfg(docsrs,test) --check-cfg cfg(feature, values("default", "deserialize_in_place")) -C metadata=0e1f8b54c9d61a30 -C extra-filename=-9499bf7d66dd9933 --out-dir /tmp/.tmp2TqU6m/target/debug/deps -L dependency=/tmp/.tmp2TqU6m/target/debug/deps --extern proc_macro2=/tmp/.tmp2TqU6m/target/debug/deps/libproc_macro2-18ceabb7156f9e6e.rmeta --extern quote=/tmp/.tmp2TqU6m/target/debug/deps/libquote-1795f2b8a42982db.rmeta --extern syn=/tmp/.tmp2TqU6m/target/debug/deps/libsyn-0b69fbc456ea2042.rmeta --extern proc_macro -Wclippy::all -Zthreads=1 -Adeprecated -Aunknown-lints -Zincremental-verify-ich (PID 721057, part 1) Events recorded: Ir Events shown: Ir Event sort order: Ir Thresholds: 99 Include dirs: User annotated: Auto-annotation: on -------------------------------------------------------------------------------- Ir -------------------------------------------------------------------------------- 5,394,145,699 (100.0%) PROGRAM TOTALS -------------------------------------------------------------------------------- Ir file:function -------------------------------------------------------------------------------- 481,287,596 ( 8.92%) ???:rustc_borrowck::borrowck_check_region_constraints [???] 330,284,431 ( 6.12%) ???:::fully_expand_fragment [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 279,337,811 ( 5.18%) ???:0x00000000001747c0 [/usr/lib/libc.so.6] 125,379,367 ( 2.32%) ???:::visit_body [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 105,745,816 ( 1.96%) ???:0x0000000000173dc0 [/usr/lib/libc.so.6] 105,341,047 ( 1.95%) ???:::intern_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 76,088,669 ( 1.41%) ???:rustc_borrowck::type_check::liveness::generate [???] 66,953,868 ( 1.24%) ???:::parse_token_tree [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 61,484,941 ( 1.14%) ???:rustc_borrowck::get_flow_results [???] 59,407,846 ( 1.10%) ???:>::process_obligations:: [???] 53,286,167 ( 0.99%) ???:, rustc_borrowck::handle_placeholders::SccAnnotations>>::construct [???] 52,513,858 ( 0.97%) include/jemalloc/internal/rtree.h:free 51,440,293 ( 0.95%) ???:::hash_expn:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 51,002,247 ( 0.95%) ???:::resolve_ident_in_scope_set_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,966,880 ( 0.83%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 42,416,762 ( 0.79%) ???:::intern_predicate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 37,964,290 ( 0.70%) ???:::process_obligation [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 37,642,563 ( 0.70%) ???:::is_imported [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 37,541,529 ( 0.70%) ???:rustc_mir_transform::liveness::check_liveness::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 35,494,560 ( 0.66%) ???:::resolve_path_with_ribs [???] 32,475,517 ( 0.60%) ???:::coerce [???] 30,792,591 ( 0.57%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/jemalloc.c:free 30,009,370 ( 0.56%) ???:::resolve_macro_invocation [???] 29,906,974 ( 0.55%) ???:::ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 29,891,041 ( 0.55%) ???:>::union [???] 28,891,941 ( 0.54%) include/jemalloc/internal/jemalloc_internal_inlines_c.h:malloc [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 27,553,053 ( 0.51%) ???:::visit_node_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 26,088,584 ( 0.48%) ???:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 25,782,512 ( 0.48%) ???:rustc_mir_transform::simplify::simplify_cfg [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 25,434,794 ( 0.47%) ???:::short_write_process_buffer::<8> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 23,807,974 ( 0.44%) ???: as rustc_type_ir::fold::TypeFolder>::fold_ty [???] 23,277,662 ( 0.43%) ???:::to [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 23,035,468 ( 0.43%) ???:::resolve_path [???] 22,923,270 ( 0.42%) ???:::stable_hash:: [???] 22,820,897 ( 0.42%) ???:::lower_qpath [???] 22,531,639 ( 0.42%) ???:::do_mir_borrowck [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 22,469,514 ( 0.42%) ???:::confirm_candidate [???] 21,456,904 ( 0.40%) ???:::new [???] 20,712,642 ( 0.38%) ???:::instantiate_value_path [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 20,496,776 ( 0.38%) include/jemalloc/internal/cache_bin.h:malloc 20,433,394 ( 0.38%) ???:::check_expr_with_expectation_and_args'2 [???] 19,949,159 ( 0.37%) ???:::check_for_ambiguity::, rustc_expand::mbe::macro_rules::NoopTracker> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 19,843,357 ( 0.37%) ???:>::tys [???] 19,301,917 ( 0.36%) ???:>::compress::<>::process_obligations::{closure#1}> [???] 18,764,986 ( 0.35%) ???:::clone [???] 18,447,516 ( 0.34%) include/jemalloc/internal/cache_bin.h:free 17,977,912 ( 0.33%) include/jemalloc/internal/rtree.h:tcache_bin_flush_small 17,867,248 ( 0.33%) ???:>::super_fold_with:: [???] 17,630,164 ( 0.33%) ???:>::fold_predicate [???] 17,440,189 ( 0.32%) ???:::build [???] 17,411,702 ( 0.32%) ???:::check_expr_call'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 17,215,324 ( 0.32%) ???:::expr_into_dest'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 16,897,510 ( 0.31%) ???:::check_expr [???] 16,853,442 ( 0.31%) ???:::end_point [???] 15,614,836 ( 0.29%) ???:::rollback_to [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 15,316,688 ( 0.28%) ???:::stable_hash::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 15,250,166 ( 0.28%) site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 15,168,143 ( 0.28%) ???:::advance_token [???] 15,136,511 ( 0.28%) ???:::collect_tokens::::parse_stmt_without_recovery::{closure#4}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 15,111,482 ( 0.28%) ???:::hir_attrs [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 14,615,700 ( 0.27%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/tcache.c:tcache_bin_flush_small [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 14,451,440 ( 0.27%) include/jemalloc/internal/sz.h:malloc 14,201,832 ( 0.26%) ???:::parse_path_segment [???] 13,319,067 ( 0.25%) ???:::get_extern_module_with_lock [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 13,206,996 ( 0.24%) /rust/deps/scoped-tls-1.0.1/src/lib.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 13,205,355 ( 0.24%) ???:::expn_data [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 13,166,287 ( 0.24%) ???:>::tys [???] 13,127,265 ( 0.24%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::first_node_in_macro:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 12,556,325 ( 0.23%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:clippy_utils::macros::root_macro_call 12,345,588 ( 0.23%) ???:::lint_level_spec_at_node [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 12,320,889 ( 0.23%) ???:::mirror_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 12,294,409 ( 0.23%) ???:::parse_path_inner [???] 12,170,078 ( 0.23%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::root_macro_call [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 12,159,010 ( 0.23%) ???:::lower_expr_mut'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 11,996,996 ( 0.22%) ???:::as_temp::{closure#0}'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 11,874,054 ( 0.22%) ???:::select [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 11,821,339 ( 0.22%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 11,641,632 ( 0.22%) ???:rustc_hir_typeck::typeck_with_inspect::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 11,344,534 ( 0.21%) include/jemalloc/internal/sz.h:realloc 11,190,196 ( 0.21%) ???:>::tys'2 [???] 10,805,724 ( 0.20%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 10,514,991 ( 0.19%) ???:rustc_type_ir::relate::structurally_relate_tys::::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 10,484,017 ( 0.19%) ???:::solve [???] 10,445,021 ( 0.19%) ???:rustc_type_ir::relate::structurally_relate_tys::::{closure#0} [???] 10,403,892 ( 0.19%) ???:::run_pass [???] 10,394,173 ( 0.19%) ???:rustc_type_ir::relate::structurally_relate_tys::::{closure#0}'2 [???] 10,213,720 ( 0.19%) ???:::is_path_start_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 10,179,650 ( 0.19%) ???:>::super_fold_with::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 10,149,152 ( 0.19%) ???:::visit_ast_fragment_with_placeholders [???] 10,015,007 ( 0.19%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 9,975,460 ( 0.18%) ???:::normalize_and_prove_instantiated_clauses [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 9,907,949 ( 0.18%) ???:::in_external_macro [???] 9,725,082 ( 0.18%) ???:::traits_in_scope [???] 9,649,442 ( 0.18%) ???: as rustc_type_ir::fold::TypeFolder>::fold_ty'2 [???] 9,641,696 ( 0.18%) /rust/deps/scoped-tls-1.0.1/src/lib.rs:>::with::<::with::outer_expn::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnId> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 9,579,124 ( 0.18%) ???:core::ptr::drop_glue::<[rustc_expand::mbe::macro_parser::NamedMatch]> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 9,453,194 ( 0.18%) ???:::make [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 9,316,194 ( 0.17%) ???:::desugaring_kind [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 9,014,193 ( 0.17%) ???:::expr_as_place'2 [???] 9,012,532 ( 0.17%) ???:>::fill_item::<::fresh_args_for_item::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 8,976,174 ( 0.17%) ???:::fully_perform_op::>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 8,783,724 ( 0.16%) ???:::resolve_crate_root [???] 8,761,168 ( 0.16%) ???:>::reserve_rehash::::{closure#0}> [???] 8,756,082 ( 0.16%) ???:::smart_resolve_path_fragment [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 8,632,504 ( 0.16%) include/jemalloc/internal/thread_event.h:malloc 8,604,876 ( 0.16%) ???:>::apply_rewrites [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 8,341,352 ( 0.15%) src/arena.c:malloc_default 8,337,991 ( 0.15%) ???:::next_token_from_cursor [???] 8,240,275 ( 0.15%) ???:>>, ())>>::reserve_rehash::>>, (), rustc_type_ir::ty_kind::TyKind>::{closure#1}> [???] 8,238,008 ( 0.15%) ???:::def_key [???] 8,169,604 ( 0.15%) ???:>, &mut rustc_infer::infer::snapshot::undo_log::InferCtxtUndoLogs>>>::uninlined_get_root_key [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 8,111,403 ( 0.15%) ???:::parse_stmt_without_recovery [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 8,039,375 ( 0.15%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 8,003,118 ( 0.15%) ???:rustc_mir_transform::liveness::check_liveness::{closure#0}'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 7,967,919 ( 0.15%) ???:::fn_sig [???] 7,965,277 ( 0.15%) ???:::parent_hir_node [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 7,851,720 ( 0.15%) ???: as rustc_ast::visit::Visitor>::visit_expr'2 [???] 7,746,148 ( 0.14%) src/arena.c:realloc 7,745,806 ( 0.14%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/jemalloc.c:realloc [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 7,742,510 ( 0.14%) ???:>::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 7,646,662 ( 0.14%) ???:::instantiate_into [???] 7,515,525 ( 0.14%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 7,437,963 ( 0.14%) include/jemalloc/internal/emap.h:tcache_bin_flush_small 7,400,942 ( 0.14%) ???:>::fold_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 7,397,283 ( 0.14%) ???:::check_expr_call [???] 7,394,647 ( 0.14%) ???:::super_body_preserves_cfg [???] 7,337,488 ( 0.14%) ???:rustc_hir_analysis::check::region::resolve_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 7,324,542 ( 0.14%) ???:::short_write_process_buffer::<1> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 7,185,235 ( 0.13%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 7,181,158 ( 0.13%) ???:::confirm [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 6,987,072 ( 0.13%) ???:::visit_expr'2 [???] 6,847,702 ( 0.13%) ???:>::compress::<>::to_errors::{closure#2}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 6,736,237 ( 0.12%) ???:>::push [???] 6,657,107 ( 0.12%) ???:::take [???] 6,587,857 ( 0.12%) include/jemalloc/internal/edata.h:tcache_bin_flush_small 6,507,055 ( 0.12%) ???:>::super_fold_with:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 6,481,496 ( 0.12%) ???:rustc_mir_dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::::apply_switch_int_edge_effect::{closure#0}>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 6,471,597 ( 0.12%) ???:>::tys::{closure#0}'2 [???] 6,442,124 ( 0.12%) ???:::hir_node [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 6,382,459 ( 0.12%) ???:>::tys::{closure#0} [???] 6,375,520 ( 0.12%) ???: as rustc_hir::intravisit::Visitor>::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 6,325,087 ( 0.12%) ???:>> as rustc_trait_selection::traits::query::type_op::TypeOp>::fully_perform [???] 6,299,455 ( 0.12%) ???:>::tys'2 [???] 6,298,290 ( 0.12%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 6,253,873 ( 0.12%) ???:::fully_perform_op::<(), rustc_middle::ty::ParamEnvAnd> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 6,172,468 ( 0.11%) include/jemalloc/internal/sz.h:free 6,110,538 ( 0.11%) ???:rustc_trait_selection::traits::query::dropck_outlives::compute_dropck_outlives_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 6,099,122 ( 0.11%) ???:>>>, ())>>::reserve_rehash::>>>, (), rustc_type_ir::binder::Binder>>::{closure#1}> [???] 6,090,303 ( 0.11%) ???:::collect_tokens_for_expr::<::parse_expr_dot_or_call::{closure#0}> [???] 6,052,338 ( 0.11%) ???:>::try_fold_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 5,972,652 ( 0.11%) ???:>::super_fold_with::'2 [???] 5,913,969 ( 0.11%) ???:>::union'2 [???] 5,847,560 ( 0.11%) ???:::hir_span [???] 5,711,216 ( 0.11%) ???:::stable_hash_span [???] 5,709,489 ( 0.11%) ???:::new [???] 5,662,263 ( 0.10%) ???:::check_attributes [???] 5,637,301 ( 0.10%) ???:::get_diagnostic_name [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 5,625,227 ( 0.10%) ???:::resolve_expr'2 [???] 5,624,650 ( 0.10%) ???:::check_expr [???] 5,616,614 ( 0.10%) ???:::ast_block'2 [???] 5,604,799 ( 0.10%) ???:::match_impl::{closure#0} [???] 5,550,919 ( 0.10%) ???:::hir_span_with_body [???] 5,511,502 ( 0.10%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/jemalloc.c:calloc [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 5,451,999 ( 0.10%) ???:::typing_mode [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 5,438,610 ( 0.10%) ???:::typing_env [???] 5,425,684 ( 0.10%) ???: as rustc_ast::visit::Visitor>::visit_id [???] 5,420,577 ( 0.10%) ???:::run_lint [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 5,228,206 ( 0.10%) include/jemalloc/internal/rtree.h:realloc 5,219,430 ( 0.10%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 5,160,840 ( 0.10%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 5,114,228 ( 0.09%) ???:>, ())>>::reserve_rehash::>, (), [rustc_middle::ty::generic_args::GenericArg]>::{closure#1}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 5,060,354 ( 0.09%) ???:::as_operand'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 5,011,732 ( 0.09%) ???:)>>::reserve_rehash::, rustc_hash::FxBuildHasher>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,961,165 ( 0.09%) ???:rustc_borrowck::type_check::type_check [???] 4,940,331 ( 0.09%) ???:::visit_stmt [???] 4,804,747 ( 0.09%) ???:::decode_span [???] 4,802,544 ( 0.09%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_data_structures/src/sync/lock.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 4,801,799 ( 0.09%) ???:>::fold_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,779,947 ( 0.09%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,725,195 ( 0.09%) include/jemalloc/internal/arena_inlines_b.h:tcache_bin_flush_small 4,715,935 ( 0.09%) ???:rustc_pattern_analysis::usefulness::compute_exhaustiveness_and_usefulness::::{closure#0} [???] 4,701,448 ( 0.09%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,622,954 ( 0.09%) ???:::is_mutable [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,613,429 ( 0.09%) ???:, ())>>::reserve_rehash::, (), rustc_hash::FxBuildHasher>::{closure#0}> [???] 4,604,609 ( 0.09%) ???:::hir_body_const_context [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,514,083 ( 0.08%) ???:core::ptr::drop_glue:: [???] 4,472,644 ( 0.08%) ???:::flat_map_stmt [???] 4,467,675 ( 0.08%) ???:>>,)>>::call_once [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,430,975 ( 0.08%) ???:::desugar_doc_comments::desugar_inner'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,397,279 ( 0.08%) ???:thin_vec::drop_non_singleton:: [???] 4,388,314 ( 0.08%) ???:::run_lint [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,386,714 ( 0.08%) /rust/deps/scoped-tls-1.0.1/src/lib.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 4,364,158 ( 0.08%) ???:::has_trivial_sizedness [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,348,750 ( 0.08%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,313,814 ( 0.08%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,294,191 ( 0.08%) ???:::apply_primary_statement_effect [???] 4,273,936 ( 0.08%) ???:::check_stability_allow_unstable [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,259,289 ( 0.08%) ???:::run_lint [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,255,150 ( 0.08%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:clippy_utils::macros::root_macro_call 4,250,958 ( 0.08%) ???:>::super_fold_with::::renumber_regions::visit_ty::{closure#0}>::{closure#0}>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,248,618 ( 0.08%) ???:>::fold_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,235,403 ( 0.08%) ???:::next [???] 4,222,343 ( 0.08%) ???:::stmt_expr'2 [???] 4,202,226 ( 0.08%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 4,184,041 ( 0.08%) site/frontend/rust-clippy/clippy_lints/src/doc/mod.rs:::check_attributes [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 4,175,788 ( 0.08%) ???:pthread_mutex_unlock [/usr/lib/libc.so.6] 4,165,513 ( 0.08%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 4,141,295 ( 0.08%) ???: as rustc_hir::intravisit::Visitor>::visit_expr'2 [???] 4,115,801 ( 0.08%) ???:::as_call_operand'2 [???] 4,097,135 ( 0.08%) ???:::call_once_force::<>>::initialize<>>::get_or_init<::reverse_postorder::{closure#0}>::{closure#0}, !>::{closure#0}>::{closure#0} [???] 4,087,900 ( 0.08%) ???:::resolve_crate::{closure#0}'2 [???] 4,063,076 ( 0.08%) ???:::alloc_ctxt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,060,856 ( 0.08%) ???:>::find_cycles_from_node:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,045,725 ( 0.08%) ???:>>::drop_slow [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 4,013,961 ( 0.07%) ???:rustc_type_ir::relate::structurally_relate_tys::::{closure#0}'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,985,379 ( 0.07%) ???:::resolve_ident_in_scope_set_inner'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,968,186 ( 0.07%) ???:>::drop_slow [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,897,864 ( 0.07%) ???: as core::clone::Clone>::clone [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,884,520 ( 0.07%) ???:::source_callsite'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,853,754 ( 0.07%) ???:core::ptr::drop_glue::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,847,845 ( 0.07%) ???:::is_diagnostic_item [???] 3,837,832 ( 0.07%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:clippy_utils::macros::first_node_in_macro:: 3,808,318 ( 0.07%) ???:md5::compress::soft::compress [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,803,534 ( 0.07%) ???:::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,803,030 ( 0.07%) site/frontend/rust-clippy/clippy_lints/src/combined_early_pass.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 3,752,195 ( 0.07%) ???:::collect_tokens_for_expr::<::parse_expr_dot_or_call::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,694,451 ( 0.07%) ???:rustc_hir::intravisit::walk_expr::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,683,377 ( 0.07%) ???:>::visit_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,671,400 ( 0.07%) ???:::mut_visit_with:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,654,281 ( 0.07%) ???:::instantiate_bound_regions::, ::visit_terminator::{closure#0}>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,619,356 ( 0.07%) ???:pthread_mutex_trylock [/usr/lib/libc.so.6] 3,615,636 ( 0.07%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_data_structures/src/sync/lock.rs:>::with::<::with::outer_expn::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnId> 3,615,107 ( 0.07%) ???:>::walk_mut'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,602,368 ( 0.07%) include/jemalloc/internal/bitmap.h:tcache_bin_flush_small 3,585,517 ( 0.07%) ???:>::visit_with:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,577,866 ( 0.07%) ???:>::super_visit_with::<::any_free_region_meets::RegionVisitor<::all_free_regions_meet::{closure#0}>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,573,582 ( 0.07%) ???:>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,544,940 ( 0.07%) ???:>::fold_region [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,530,911 ( 0.07%) ???:::consider_probe::{closure#0} [???] 3,519,516 ( 0.07%) ???:::assemble_candidates [???] 3,508,300 ( 0.07%) ???:rustc_trait_selection::traits::project::normalize_projection_term [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,502,053 ( 0.06%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,451,941 ( 0.06%) ???:::stable_hash::'2 [???] 3,441,488 ( 0.06%) ???:0x000000000000fb40 [/usr/lib/ld-linux-x86-64.so.2] 3,407,911 ( 0.06%) ???:core::ptr::drop_glue::> [???] 3,404,232 ( 0.06%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_expn_of [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 3,376,275 ( 0.06%) ???: as rustc_hir::intravisit::Visitor>::visit_expr::{closure#0}::{closure#0}'2 [???] 3,351,183 ( 0.06%) ???:>::fold_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,349,946 ( 0.06%) ???:::type_is_copy_modulo_regions [???] 3,345,911 ( 0.06%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs: as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::find_map::check<(rustc_span::hygiene::ExpnId, rustc_span::hygiene::ExpnData), clippy_utils::macros::MacroCall, &mut clippy_utils::macros::macro_backtrace::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 3,345,103 ( 0.06%) ???:rustc_hir::intravisit::walk_expr::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,295,261 ( 0.06%) ???:::convert_place_derefs_to_mutable [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,282,909 ( 0.06%) ???:::try_fold_free_or_assoc [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,270,095 ( 0.06%) ???:::instantiate_into'2 [???] 3,249,062 ( 0.06%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,226,976 ( 0.06%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,220,765 ( 0.06%) include/jemalloc/internal/thread_event.h:realloc 3,209,604 ( 0.06%) ???:>::add_id [???] 3,201,810 ( 0.06%) ???:::mirror_expr_inner'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,179,542 ( 0.06%) ???:::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,144,727 ( 0.06%) ???:rustc_mir_transform::mir_promoted [???] 3,126,385 ( 0.06%) ???:rustc_mir_dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::::apply_primary_statement_effect::{closure#0}>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,125,569 ( 0.06%) ???:::make_owner_info [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,101,050 ( 0.06%) ???:::fold_infer_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,089,227 ( 0.06%) include/jemalloc/internal/tsd_tls.h:free [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 3,089,226 ( 0.06%) include/jemalloc/internal/atomic.h:free 3,079,169 ( 0.06%) ???:::as_call_operand [???] 3,074,491 ( 0.06%) ???:::lex_token_trees'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,070,211 ( 0.06%) site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 3,066,813 ( 0.06%) ???:rustc_type_ir::relate::structurally_relate_tys::::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,056,999 ( 0.06%) include/jemalloc/internal/arena_inlines_b.h:realloc 3,048,766 ( 0.06%) ???:rustc_query_impl::execution::try_execute_query::>, false> [???] 3,025,857 ( 0.06%) ???:::instantiate_binder_with_fresh_vars::ToFreshVars> as rustc_type_ir::fold::TypeFolder>::fold_ty [???] 3,019,411 ( 0.06%) ???:::resolve_pattern_inner::{closure#0} [???] 3,013,169 ( 0.06%) ???:::mk_args [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 3,013,030 ( 0.06%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/index.rs:>::with::<::with::outer_expn::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnId> 3,005,738 ( 0.06%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,995,822 ( 0.06%) ???: as rustc_mir_transform::pass_manager::MirPass>::run_pass [???] 2,994,620 ( 0.06%) ???:rustc_mir_dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::<&mut rustc_mir_dataflow::drop_flag_effects::drop_flag_effects_for_location<::apply_primary_statement_effect::{closure#0}>::{closure#2}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,992,034 ( 0.06%) ???:::is_intrinsic [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,944,141 ( 0.05%) ???:::normalize::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,940,835 ( 0.05%) ???:rustc_trait_selection::traits::project::confirm_candidate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,912,703 ( 0.05%) ???:::parse_expr_paren_seq [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,894,196 ( 0.05%) ???:::add_required_obligations_for_hir [???] 2,869,099 ( 0.05%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,851,928 ( 0.05%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/jemalloc.c:malloc 2,820,369 ( 0.05%) ???:>>::walk_ref'2 [???] 2,808,666 ( 0.05%) ???:>::relate:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,789,543 ( 0.05%) include/jemalloc/internal/tcache_inlines.h:realloc 2,770,248 ( 0.05%) ???:rustc_pattern_analysis::usefulness::compute_exhaustiveness_and_usefulness::::{closure#0}'2 [???] 2,726,018 ( 0.05%) ???:rustc_hir_analysis::check::region::resolve_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,701,776 ( 0.05%) include/jemalloc/internal/div.h:tcache_bin_flush_small 2,696,525 ( 0.05%) ???:::poly_select::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,669,810 ( 0.05%) ???: as rustc_type_ir::fold::TypeFolder>::fold_ty [???] 2,668,697 ( 0.05%) ???:::qpath_res [???] 2,668,026 ( 0.05%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,659,896 ( 0.05%) ???:::shallow_resolve [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,645,975 ( 0.05%) ???:::mirror_expr_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,583,714 ( 0.05%) ???:>::super_fold_with::::handle_term::outer_exclusive_binder, ::new_error>::{closure#0}>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,575,397 ( 0.05%) ???:>::get_attrs [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,549,338 ( 0.05%) ???:::pick_all_method [???] 2,538,992 ( 0.05%) ???:>, rustc_middle::query::erase::ErasedData<[u8; 2]>> as rustc_middle::query::caches::QueryCache>::for_each'2 [???] 2,536,765 ( 0.05%) include/jemalloc/internal/cache_bin.h:realloc 2,514,614 ( 0.05%) ???:::bump_minimal [???] 2,514,039 ( 0.05%) ???:, usize)>>::reserve_rehash::, usize, rustc_hash::FxBuildHasher>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,503,155 ( 0.05%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,501,126 ( 0.05%) ???:::desugar_doc_comments::desugar_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,497,303 ( 0.05%) site/frontend/rust-clippy/clippy_utils/src/macros.rs: as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::find_map::check<(rustc_span::hygiene::ExpnId, rustc_span::hygiene::ExpnData), clippy_utils::macros::MacroCall, &mut clippy_utils::macros::macro_backtrace::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 2,496,525 ( 0.05%) ???:::visit_operand [???] 2,484,946 ( 0.05%) ???:>>::walk_ref [???] 2,482,954 ( 0.05%) ???:0x0000000000173660 [/usr/lib/libc.so.6] 2,476,352 ( 0.05%) ???:>::fold_predicate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,427,203 ( 0.04%) include/jemalloc/internal/bit_util.h:malloc_default 2,410,424 ( 0.04%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs:>::with::<::with::outer_expn::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnId> 2,387,906 ( 0.04%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::attrs_for_def [???] 2,378,790 ( 0.04%) ???:::make_canonicalized_query_response::<()> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,366,712 ( 0.04%) ???:stacker::remaining_stack [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,360,411 ( 0.04%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,349,379 ( 0.04%) include/jemalloc/internal/cache_bin.h:calloc 2,343,534 ( 0.04%) site/frontend/rust-clippy/clippy_lints/src/casts/mod.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 2,326,180 ( 0.04%) include/jemalloc/internal/thread_event.h:calloc 2,317,253 ( 0.04%) src/arena.c:calloc 2,313,110 ( 0.04%) ???:::hir_body_owner_def_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,295,940 ( 0.04%) ???:>, ())>>::reserve_rehash::>, (), [rustc_middle::ty::Ty]>::{closure#1}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,289,100 ( 0.04%) ???:::lower_stmts'2 [???] 2,278,476 ( 0.04%) ???:::impl_or_trait_obligations [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,257,409 ( 0.04%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:clippy_utils::is_expn_of 2,252,832 ( 0.04%) ???:rustc_expand::mbe::transcribe::lockstep_iter_size'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,233,378 ( 0.04%) ???:::parse_full_stmt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,231,323 ( 0.04%) ???:::stmt_expr [???] 2,230,814 ( 0.04%) ???:::is_descendant_of [???] 2,228,322 ( 0.04%) ???:>>::drop_slow [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,226,882 ( 0.04%) ???:>>::drop_slow'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,226,432 ( 0.04%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,222,493 ( 0.04%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,221,829 ( 0.04%) ???:rustc_hir::intravisit::walk_expr::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,221,453 ( 0.04%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,207,202 ( 0.04%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,202,894 ( 0.04%) ???: as rustc_data_structures::stable_hash::StableHash>::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,196,901 ( 0.04%) site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 2,193,200 ( 0.04%) ???:::compute_drop_data [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,186,585 ( 0.04%) ???:::trait_of_assoc [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,178,340 ( 0.04%) ???:rust_psm_stack_pointer [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,174,456 ( 0.04%) ???:::visit_expr::{closure#0} [???] 2,128,387 ( 0.04%) ???:::normalize::<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,119,615 ( 0.04%) ???:::collect_tokens::, ::collect_tokens_for_expr<::parse_expr_prefix::{closure#8}>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,111,982 ( 0.04%) ???: as rustc_type_ir::visit::TypeVisitor>::visit_ty'2 [???] 2,092,265 ( 0.04%) ???:>::fold_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,087,534 ( 0.04%) site/frontend/rust-clippy/clippy_lints/src/casts/cast_slice_different_sizes.rs:clippy_lints::casts::cast_slice_different_sizes::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 2,072,481 ( 0.04%) ???:::span [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,064,336 ( 0.04%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_data_structures/src/sync/lock.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 2,039,730 ( 0.04%) ???:::short_write_process_buffer::<4> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,031,162 ( 0.04%) ???:>, &mut rustc_infer::infer::snapshot::undo_log::InferCtxtUndoLogs>>>::uninlined_get_root_key [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 2,010,082 ( 0.04%) ???:::check_expr_block'2 [???] 2,000,507 ( 0.04%) ???:::visit_qpath [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,991,349 ( 0.04%) ???:rustc_trait_selection::traits::query::dropck_outlives::dtorck_constraint_for_ty_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,958,291 ( 0.04%) ???:)>>::reserve_rehash::, rustc_hash::FxBuildHasher>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,944,264 ( 0.04%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,942,151 ( 0.04%) ???:>::walk_mut [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,935,563 ( 0.04%) ???:::candidate_from_obligation [???] 1,926,780 ( 0.04%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:clippy_utils::macros::root_macro_call 1,925,521 ( 0.04%) ???:::opt_associated_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,911,350 ( 0.04%) ???:::mk_type_list [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,911,285 ( 0.04%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,902,969 ( 0.04%) ???:::access_place [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,901,154 ( 0.04%) include/jemalloc/internal/rtree.h:pa_alloc 1,896,956 ( 0.04%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,883,770 ( 0.03%) ???:::make_all_regions_live::{closure#0}> as rustc_type_ir::visit::TypeVisitor>::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,871,856 ( 0.03%) ???:>::uninlined_mark_dependents_as_waiting [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,869,863 ( 0.03%) include/jemalloc/internal/ph.h:pa_alloc 1,852,017 ( 0.03%) ???:>::super_fold_with::::handle_term::outer_exclusive_binder, ::new_error>::{closure#0}>>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,807,818 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:>::with::<::with::outer_expn::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnId> 1,807,818 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/const_ptr.rs:>::with::<::with::outer_expn::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnId> 1,807,818 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/local.rs:>::with::<::with::outer_expn::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnId> 1,806,294 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 1,801,184 ( 0.03%) include/jemalloc/internal/util.h:tcache_bin_flush_small 1,800,954 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 1,800,954 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/const_ptr.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 1,800,954 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/local.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 1,798,361 ( 0.03%) include/jemalloc/internal/sz.h:calloc 1,786,641 ( 0.03%) ???:>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,786,368 ( 0.03%) ???:>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,786,368 ( 0.03%) ???:>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,786,368 ( 0.03%) ???:>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,785,025 ( 0.03%) ???:core::ptr::drop_glue::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,781,258 ( 0.03%) ???:rustc_hir_analysis::hir_ty_lowering::generics::check_generic_arg_count_for_value_path [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,771,954 ( 0.03%) ???:::new [???] 1,771,629 ( 0.03%) ???:thin_vec::drop_non_singleton::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,768,041 ( 0.03%) ???:>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,760,700 ( 0.03%) ???:rustc_middle::ty::trait_def::trait_impls_of_provider [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,758,652 ( 0.03%) src/eset.c:pa_alloc 1,753,949 ( 0.03%) ???:rustc_type_ir::relate::relate_args_with_variances:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,752,774 ( 0.03%) ???:rustc_hir::intravisit::walk_expr::<::collect_taits_declared_in_body::TaitInBodyFinder>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,752,324 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/incompatible_msrv.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,748,899 ( 0.03%) ???:rustc_hir::intravisit::walk_expr::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,747,188 ( 0.03%) ???:::normalize:: [???] 1,745,929 ( 0.03%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/tcache.c:tcache_bin_flush_stashed [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,744,797 ( 0.03%) ???:::visit_pat [???] 1,744,761 ( 0.03%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,739,840 ( 0.03%) ???:::clone [???] 1,738,395 ( 0.03%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,729,769 ( 0.03%) ???:::range_span [???] 1,724,606 ( 0.03%) ???:::parse_expr_dot_or_call_with::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,720,497 ( 0.03%) ???:::add_implied_bounds [???] 1,696,935 ( 0.03%) ???:rustc_traits::type_op::type_op_prove_predicate [???] 1,696,824 ( 0.03%) ???:::as_operand [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,696,615 ( 0.03%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,692,962 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/disallowed_macros.rs:::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,690,432 ( 0.03%) ???:0x000000000000ba80 [/usr/lib/ld-linux-x86-64.so.2] 1,687,348 ( 0.03%) ???:::find_by_ident_and_namespace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,683,982 ( 0.03%) ???:::evaluate_trait_predicate_recursively [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,682,016 ( 0.03%) ???: as core::clone::Clone>::clone::clone_non_singleton:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,681,444 ( 0.03%) ???:)>>::reserve_rehash::, rustc_hash::FxBuildHasher>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,678,375 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_attributes [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,678,016 ( 0.03%) ???:::xform_self_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,677,222 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/matches/mod.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,667,748 ( 0.03%) ???:::slice_write_process_buffer [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,666,234 ( 0.03%) ???:::check_expr_addr_of [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,662,625 ( 0.03%) include/jemalloc/internal/edata.h:pa_alloc 1,657,216 ( 0.03%) ???:>::fold_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,653,366 ( 0.03%) ???:::resolve_ty_and_res_fully_qualified_call [???] 1,651,902 ( 0.03%) ???:::trait_impl_of_assoc [???] 1,646,041 ( 0.03%) ???:>::reserve_rehash::::{closure#0}> [???] 1,643,634 ( 0.03%) ???:::alloc_ctxt'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,642,471 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/pattern.rs:::next_match [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,639,422 ( 0.03%) ???:>::regions [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,632,420 ( 0.03%) site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,632,367 ( 0.03%) ???:rustc_query_impl::execution::try_execute_query::>, false> [???] 1,616,969 ( 0.03%) ???:::clone [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,614,948 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 1,613,951 ( 0.03%) ???:::assemble_inherent_impl_candidates_for_type [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,609,030 ( 0.03%) ???:>::walk_mut [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,605,991 ( 0.03%) ???:>::cat_expr_unadjusted [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,604,653 ( 0.03%) ???:rustc_trait_selection::traits::project::opt_normalize_projection_term [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,586,773 ( 0.03%) ???:rustc_pattern_analysis::rustc::analyze_match [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,549,468 ( 0.03%) include/jemalloc/internal/ph.h:tcache_bin_flush_small 1,543,464 ( 0.03%) ???:rustc_hir::intravisit::walk_expr::>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,542,198 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/strings.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,541,232 ( 0.03%) ???:rustc_middle::ty::util::needs_drop_components_with_async [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,516,383 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/operators/mod.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,514,309 ( 0.03%) ???:rustc_resolve::rustdoc::unindent_doc_fragments [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,510,282 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,506,799 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/attrs/mod.rs:::check_attributes [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,497,382 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,475,941 ( 0.03%) ???:> as rustc_type_ir::interner::CollectAndApply>>::collect_and_apply::>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, ::mk_args_from_iter>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, core::result::Result>>::{closure#0}> [???] 1,473,043 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/misc.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,469,328 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_id/src/lib.rs:clippy_utils::macros::first_node_in_macro:: 1,462,050 ( 0.03%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::implementations_of_trait [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,456,489 ( 0.03%) ???: as rustc_data_structures::stable_hash::StableHash>::stable_hash::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,453,144 ( 0.03%) ???:::expr_as_place [???] 1,451,766 ( 0.03%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,449,669 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/loops/mod.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,445,940 ( 0.03%) ???: as rustc_hir::intravisit::Visitor>::visit_path [???] 1,443,630 ( 0.03%) ???:>::fold_with:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,438,492 ( 0.03%) ???:::parse_item_kind'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,438,160 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/macro_metavars_in_unsafe.rs:::visit_expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,430,106 ( 0.03%) ???:>::walk_mut'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,426,785 ( 0.03%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,421,147 ( 0.03%) ???:::stable_hash:: [???] 1,420,632 ( 0.03%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,414,620 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/legacy_numeric_constants.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,403,723 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:::visit_expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,399,714 ( 0.03%) ???:::pop_scope [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,397,415 ( 0.03%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,386,522 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,385,147 ( 0.03%) include/jemalloc/internal/tsd.h:calloc 1,383,938 ( 0.03%) include/jemalloc/internal/tsd.h:realloc 1,372,741 ( 0.03%) ???:::record_use [???] 1,372,614 ( 0.03%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,367,324 ( 0.03%) ???:::check_expr_method_call [???] 1,367,181 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/dereference.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,366,787 ( 0.03%) ???:>::super_fold_with::::renumber_regions::visit_ty::{closure#0}>::{closure#0}>>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,364,249 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/regex.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,362,433 ( 0.03%) ???:rustc_mir_dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::<&mut rustc_mir_dataflow::drop_flag_effects::drop_flag_effects_for_location<::apply_primary_statement_effect::{closure#0}>::{closure#2}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,357,346 ( 0.03%) site/frontend/rust-clippy/clippy_lints/src/ranges.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,348,178 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/repeat_vec_with_capacity.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,340,216 ( 0.02%) ???:rustc_trait_selection::traits::project::normalize_projection_term'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,318,563 ( 0.02%) include/jemalloc/internal/sz.h:pa_alloc 1,310,260 ( 0.02%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:::check_attributes 1,310,214 ( 0.02%) ???:rustc_traits::evaluate_obligation::evaluate_obligation [???] 1,307,444 ( 0.02%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,303,375 ( 0.02%) ???:::candidate_from_obligation_no_cache [???] 1,302,102 ( 0.02%) ???:::is_trivially_wf [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,299,008 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,295,907 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/non_copy_const.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,294,392 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/visit.rs:>::walk_ref'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,290,210 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/index.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 1,286,960 ( 0.02%) ???:::get_module_children::{closure#0}, core::result::Result::Ok>, core::result::Result> as core::iter::traits::iterator::Iterator>::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,276,545 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:clippy_utils::macros::root_macro_call 1,271,164 ( 0.02%) ???:>::reserve_rehash::, rustc_type_ir::sty::Region>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,254,858 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/format.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,253,802 ( 0.02%) ???:>, rustc_middle::query::erase::ErasedData<[u8; 8]>> as rustc_middle::query::caches::QueryCache>::for_each'2 [???] 1,249,569 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/if_let_mutex.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,249,080 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_expr_post [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,246,183 ( 0.02%) include/jemalloc/internal/cache_bin.h:malloc_default 1,244,747 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/combined_early_pass.rs:::check_attributes [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,244,747 ( 0.02%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:::check_attributes_post 1,244,222 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::>'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,240,410 ( 0.02%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with:: [???] 1,234,518 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/redundant_async_block.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,219,142 ( 0.02%) site/frontend/rust-clippy/clippy_utils/src/macros.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 1,219,142 ( 0.02%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 1,213,020 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 1,210,367 ( 0.02%) ???:::check_stmt [???] 1,208,695 ( 0.02%) site/frontend/rust-clippy/clippy_utils/src/attrs.rs:clippy_utils::attrs::parse_attrs::<::pop_attrs::{closure#0}, rustc_hir::hir::Attribute> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,208,695 ( 0.02%) site/frontend/rust-clippy/clippy_utils/src/attrs.rs:clippy_utils::attrs::parse_attrs::<::push_attrs::{closure#0}, rustc_hir::hir::Attribute> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,208,207 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/needless_nonzero_get.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,203,092 ( 0.02%) ???:rustc_type_ir::relate::relate_args_with_variances::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,202,504 ( 0.02%) include/jemalloc/internal/tcache_inlines.h:calloc 1,199,100 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/useless_conversion.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,194,413 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/formatting.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,191,996 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/unit_types/unit_arg.rs:clippy_lints::unit_types::unit_arg::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,175,373 ( 0.02%) ???: as core::ops::drop::Drop>::drop::drop_non_singleton::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,174,013 ( 0.02%) ???:::leak_check [???] 1,171,572 ( 0.02%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::matching_root_macro_call [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,170,979 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/disallowed_fields.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,170,723 ( 0.02%) ???:::check_pat_inner [???] 1,170,487 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_is_ascii_check.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,170,343 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/minmax.rs:clippy_lints::minmax::min_max [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,170,164 ( 0.02%) ???:::expr_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,160,110 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/len_zero.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,159,230 ( 0.02%) include/jemalloc/internal/atomic.h:tcache_bin_flush_small 1,151,360 ( 0.02%) ???:rustc_hir::hir::is_range_literal [???] 1,150,469 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_main_separator_str.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,149,170 ( 0.02%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,145,954 ( 0.02%) ???: as rustc_hir::intravisit::Visitor>::visit_block'2 [???] 1,145,882 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/match_result_ok.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,145,590 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/byte_char_slices.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,145,268 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:::check_attributes 1,144,045 ( 0.02%) ???:>::walk_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,141,295 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/spec_from_iter_nested.rs: as alloc::vec::spec_from_iter_nested::SpecFromIterNested<(rustc_span::span_encoding::Span, alloc::string::String), core::iter::adapters::filter_map::FilterMap, clippy_lints::doc::suspicious_doc_comments::collect_doc_replacements::{closure#0}>>>::from_iter [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,141,295 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/doc/suspicious_doc_comments.rs:clippy_lints::doc::suspicious_doc_comments::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,140,579 ( 0.02%) ???:::lower_pattern [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,133,980 ( 0.02%) ???:>::reserve_rehash::>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,133,667 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/thread_local/native/mod.rs:clippy_utils::macros::first_node_in_macro:: 1,133,050 ( 0.02%) src/hook.c:realloc 1,129,807 ( 0.02%) ???:::lower_generic_args_of_path::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,122,524 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,119,798 ( 0.02%) ???:::equate_trait_refs [???] 1,119,534 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/size_of_in_element_count.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,116,255 ( 0.02%) ???:> as rustc_type_ir::interner::CollectAndApply>>::collect_and_apply::>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, ::mk_args_from_iter>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, core::result::Result>>::{closure#0}> [???] 1,115,641 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/bit_width.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,114,146 ( 0.02%) ???:::apply_mark [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,113,538 ( 0.02%) ???:::adjust_ident_and_get_scope [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,112,486 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,111,027 ( 0.02%) ???:>::walk_mut'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,110,182 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/raw_strings.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,109,969 ( 0.02%) ???:rustc_query_impl::execution::try_execute_query::>, rustc_middle::query::erase::ErasedData<[u8; 2]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,107,171 ( 0.02%) ???:::lower_path_segment [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,102,456 ( 0.02%) ???:rustc_query_impl::execution::try_execute_query::>, false> [???] 1,100,952 ( 0.02%) ???:::call_once_force::<>, rustc_hash::FxBuildHasher>>>::initialize<>, rustc_hash::FxBuildHasher>>>::get_or_init<::resolutions::{closure#0}>::{closure#0}, !>::{closure#0}>::{closure#0} [???] 1,093,421 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/utils/author.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,093,421 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/utils/dump_hir.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,093,165 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/useless_vec.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,092,945 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/operators/eq_op.rs:clippy_lints::operators::eq_op::check_assert [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,092,570 ( 0.02%) ???:::trait_ref_and_own_args_for_alias [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,088,108 ( 0.02%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::associated_item [???] 1,087,447 ( 0.02%) ???:0x000000000000aec0 [/usr/lib/ld-linux-x86-64.so.2] 1,085,135 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_clamp.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,084,748 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/double_parens.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,080,776 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/redundant_closure_call.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,074,238 ( 0.02%) include/jemalloc/internal/arena_inlines_b.h:calloc 1,072,393 ( 0.02%) ???:::as_temp::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,070,720 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/useless_concat.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,065,218 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::::check::{closure#0}>>'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,064,774 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/bool_comparison.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,057,460 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/methods/mod.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,056,775 ( 0.02%) ???:::lower_ty [???] 1,056,327 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:clippy_utils::is_expn_of 1,051,251 ( 0.02%) ???:rustc_ast::visit::visit_stmts::>'2 [???] 1,050,098 ( 0.02%) site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:clippy_utils::msrvs::check_attrs:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,049,554 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/ifs/mod.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,043,840 ( 0.02%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,043,221 ( 0.02%) ???: as rustc_type_ir::visit::TypeVisitor>::visit_ty [???] 1,042,772 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,031,522 ( 0.02%) ???:::run_pass [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,028,298 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/zombie_processes.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,024,277 ( 0.02%) ???:rustc_query_impl::execution::try_execute_query::>, false>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,015,869 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/unit_types/unit_cmp.rs:clippy_lints::unit_types::unit_cmp::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,015,734 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/redundant_slicing.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,015,651 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/strlen_on_c_strings.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,014,636 ( 0.02%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 1,011,692 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/nonnull_unchecked_on_box_ptr.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,009,304 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/infinite_iter.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 1,006,095 ( 0.02%) ???:::as_constant [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 998,728 ( 0.02%) ???:::build_drop_trees [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 996,406 ( 0.02%) ???:rustc_mir_build::builder::build_mir_inner_impl [???] 994,593 ( 0.02%) ???:rustc_query_impl::execution::try_execute_query::>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 992,678 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/single_range_in_vec_init.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 990,628 ( 0.02%) ???:::lower_pat_mut [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 989,588 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/needless_bool.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 988,711 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/casts/cast_slice_different_sizes.rs:clippy_lints::casts::cast_slice_different_sizes::expr_cast_chain_tys [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 982,695 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/doc/mod.rs:::check_attributes [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 976,436 ( 0.02%) ???: as rustc_hir::intravisit::Visitor>::visit_block'2 [???] 976,343 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/casts/cast_slice_from_raw_parts.rs:clippy_lints::casts::cast_slice_from_raw_parts::check_implicit_cast [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 975,837 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/needless_borrows_for_generic_args.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 974,645 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/swap_ptr_to_ref.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 973,669 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/mem_replace.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 972,420 ( 0.02%) ???:::renumber_regions::visit_const_operand::{closure#0}>::{closure#0}> as rustc_type_ir::fold::TypeFolder>::fold_ty [???] 970,430 ( 0.02%) ???:::evaluate_trait_predicate_recursively'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 969,998 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/partialeq_to_none.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 965,385 ( 0.02%) ???:::apply_primary_terminator_effect [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 964,301 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_pop_if.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 963,805 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/transmute/mod.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 963,520 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/unnecessary_map_on_constructor.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 961,914 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/drop_forget_ref.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 959,550 ( 0.02%) ???: as rustc_type_ir::fold::TypeFolder>::fold_ty'2 [???] 959,300 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 959,253 ( 0.02%) ???:::intern_str [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 957,427 ( 0.02%) ???:::lookup_probe [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 953,820 ( 0.02%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 953,406 ( 0.02%) ???:>::find_cycles_from_node::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 953,064 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/format_args.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 950,048 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/default.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 949,824 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/unnecessary_mut_passed.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 949,076 ( 0.02%) ???:::check_stability [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 946,410 ( 0.02%) ???:>::decode'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 943,442 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/assertions_on_constants.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 942,804 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/write/mod.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 942,060 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/blocks_in_conditions.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 941,594 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/block_scrutinee.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 939,180 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_ignore_case_cmp.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 938,723 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_take.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 938,333 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/entry.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 938,048 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/format_impl.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 937,638 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_abs_diff.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 937,434 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/reserve_after_initialization.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 937,241 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/implicit_saturating_sub.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 937,215 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/await_holding_invalid.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 936,820 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/zero_repeat_side_effects.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 936,719 ( 0.02%) ???:rustc_trait_selection::traits::query::dropck_outlives::dtorck_constraint_for_ty_inner'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 931,017 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/default_instead_of_iter_empty.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 930,464 ( 0.02%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/filter_map.rs:clippy_utils::macros::root_macro_call 929,660 ( 0.02%) ???:::visit_primary_bindings_special::<::declare_bindings::{closure#0}> [???] 928,820 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/unit_return_expecting_ord.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 926,893 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/default_constructed_unit_structs.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 926,803 ( 0.02%) ???:::parse_expr_assoc_with [???] 926,712 ( 0.02%) ???:::flat_map_stmt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 924,789 ( 0.02%) ???:::create_def [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 923,742 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/unnecessary_owned_empty_strings.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 923,615 ( 0.02%) ???:::intern_region [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 923,283 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/from_str_radix_10.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 922,001 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/box_default.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 921,998 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/arc_with_non_send_sync.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 921,938 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/from_raw_with_void_ptr.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 921,654 ( 0.02%) ???:::insert [???] 918,413 ( 0.02%) ???:::visit_pat [???] 914,039 ( 0.02%) include/jemalloc/internal/atomic.h:realloc 912,111 ( 0.02%) ???:rustc_query_impl::execution::try_execute_query::>, rustc_middle::query::erase::ErasedData<[u8; 8]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 910,856 ( 0.02%) include/jemalloc/internal/jemalloc_internal_inlines_a.h:realloc 909,467 ( 0.02%) ???:::instantiate_binder_with_fresh_vars::ToFreshVars> as rustc_type_ir::fold::TypeFolder>::fold_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 909,189 ( 0.02%) include/jemalloc/internal/fb.h:pa_alloc 906,038 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/cloned_ref_to_slice_refs.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 894,866 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/float_literal.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 894,133 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/octal_escapes.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 893,704 ( 0.02%) ???:::check_args_compatible_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 892,851 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/bool_assert_comparison.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 892,393 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/collapsible_if.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 890,945 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/precedence.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 890,259 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/to_digit_is_some.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 890,187 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/explicit_write.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 890,073 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/strings.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 889,312 ( 0.02%) ???:::lint_level_spec_at_node [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 888,257 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/rc_clone_in_vec_init.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 888,095 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_checked_ops.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 887,431 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/implicit_saturating_add.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 886,959 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/indexing_slicing.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 886,848 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/panicking_overflow_checks.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 886,322 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_rotate.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 886,179 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/functions/result.rs:clippy_lints::functions::result::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 885,593 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_float_methods.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 885,309 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/replace_box.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 885,257 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_bits.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 885,174 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 885,170 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/async_yields_async.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 885,011 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_rem_euclid.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 885,011 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_slice_size_calculation.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 884,765 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/minmax.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 884,765 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/operators/float_cmp.rs:clippy_lints::operators::float_cmp::check_assert [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 884,343 ( 0.02%) ???:::parse_pat_with_range_pat [???] 882,497 ( 0.02%) include/jemalloc/internal/arena_inlines_b.h:malloc_default 879,970 ( 0.02%) ???:::run_lint [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 879,191 ( 0.02%) ???:::check_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 875,376 ( 0.02%) ???:::qpath_res [???] 874,817 ( 0.02%) ???:::new'2 [???] 870,182 ( 0.02%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 868,787 ( 0.02%) ???:::test_candidates [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 862,957 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/only_used_in_recursion.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 862,352 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/misc_early/mod.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 857,746 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/literal_representation.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 853,976 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/unused_rounding.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 853,092 ( 0.02%) ???:::start_new_block [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 851,669 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/combined_early_pass.rs:::check_attributes_post [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 845,295 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/utils/format_args_collector.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 841,165 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/literal_representation.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 833,545 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/init_numbered_fields.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 833,446 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/manual_strip.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 827,788 ( 0.02%) site/frontend/rust-clippy/clippy_lints/src/borrow_deref_ref.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 826,867 ( 0.02%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/jemalloc.c:malloc_default [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 817,131 ( 0.02%) ???:::parse_block_common [???] 817,034 ( 0.02%) ???:rustc_trait_selection::traits::outlives_bounds::implied_outlives_bounds [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 813,888 ( 0.02%) ???:::evaluate_root_obligation [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 812,153 ( 0.02%) site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 811,294 ( 0.02%) ???:::check_let [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 808,237 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/string_patterns.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 805,680 ( 0.01%) ???:::check_expr_method_call'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 804,820 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 804,516 ( 0.01%) ???:rustc_resolve::rustdoc::span_of_fragments [???] 802,662 ( 0.01%) ???:::expr_guaranteed_to_constitute_read_for_never [???] 801,259 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/reference.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 795,693 ( 0.01%) ???:core::slice::sort::stable::quicksort::quicksort::<(rustc_mir_build::builder::scope::DropIdx, rustc_middle::mir::BasicBlock), <(rustc_mir_build::builder::scope::DropIdx, rustc_middle::mir::BasicBlock) as core::cmp::PartialOrd>::lt>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 795,498 ( 0.01%) ???:core::slice::memchr::memchr_aligned [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 792,591 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/non_octal_unix_permissions.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 788,808 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 787,710 ( 0.01%) ???:::lookup_char_pos [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 787,167 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/casts/ptr_cast_constness.rs:clippy_lints::casts::ptr_cast_constness::check_null_ptr_cast_method [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 783,579 ( 0.01%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 781,730 ( 0.01%) ???:::parse_stmt_without_recovery'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 780,921 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/zero_div_zero.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 777,737 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 775,316 ( 0.01%) ???:::ascribe_user_type [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 774,870 ( 0.01%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [???] 774,126 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 774,126 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/const_ptr.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 774,126 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/local.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 772,419 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::>, false>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 770,532 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:clippy_utils::is_expn_of 766,361 ( 0.01%) ???:::mk_canonical_var_kinds [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 764,497 ( 0.01%) ???:::parse_expr_prefix'2 [???] 758,835 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs: as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::find_map::check<(rustc_span::hygiene::ExpnId, rustc_span::hygiene::ExpnData), clippy_utils::macros::MacroCall, &mut clippy_utils::macros::macro_backtrace::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 757,453 ( 0.01%) ???:>::instantiate_supertrait [???] 755,778 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/local.rs:clippy_utils::macros::first_node_in_macro:: 755,245 ( 0.01%) ???:::demand_eqtype_pat [???] 755,118 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::dep_graph::graph::DepNodeIndex>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 752,735 ( 0.01%) ???:::universe_canonicalized_var_kinds [???] 746,956 ( 0.01%) ???:>::decode [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 742,088 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/int_plus_one.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 740,864 ( 0.01%) ???:::assemble_inherent_candidates [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 740,109 ( 0.01%) ???: as rustc_ast::visit::Visitor>::visit_stmt::{closure#0}'2 [???] 735,461 ( 0.01%) ???:::visit_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 734,599 ( 0.01%) ???:::resolve_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 734,412 ( 0.01%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 733,648 ( 0.01%) ???:>::try_fold_ty [???] 732,806 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/control_flow.rs: as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::find_map::check<(rustc_span::hygiene::ExpnId, rustc_span::hygiene::ExpnData), clippy_utils::macros::MacroCall, &mut clippy_utils::macros::macro_backtrace::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 731,512 ( 0.01%) ???:::check_decl [???] 729,771 ( 0.01%) ???:rustc_trait_selection::traits::query::type_op::implied_outlives_bounds::compute_implied_outlives_bounds_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 724,963 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 721,281 ( 0.01%) ???:::probe_for_name [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 720,830 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::maybe_walk_expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 720,491 ( 0.01%) ???:>::reserve_rehash::<::intern_inner::{closure#0}::{closure#1}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 715,234 ( 0.01%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 712,038 ( 0.01%) ???:::source_callsite [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 709,038 ( 0.01%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 706,666 ( 0.01%) ???:> as rustc_serialize::serialize::Decodable>::decode'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 703,971 ( 0.01%) ???:::ast_block [???] 703,399 ( 0.01%) ???:::check_args_compatible_inner'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 702,752 ( 0.01%) ???:rustc_traits::implied_outlives_bounds::implied_outlives_bounds [???] 700,824 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/main_recursion.rs:::check_expr_post [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 700,287 ( 0.01%) ???:> as rustc_type_ir::interner::CollectAndApply>>::collect_and_apply::>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, ::mk_args_from_iter>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, core::result::Result>>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 699,872 ( 0.01%) ???:rustc_ty_utils::needs_drop::needs_drop_raw [???] 699,156 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/mod.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 699,150 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_type_ir/src/flags.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 694,551 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_qpath:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 694,343 ( 0.01%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 693,063 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_qpath:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 688,322 ( 0.01%) ???:::instantiate_bound_regions::, ::instantiate_bound_regions_with_erased>::{closure#0}>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 687,416 ( 0.01%) ???:::next_nll_region_var [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 686,007 ( 0.01%) ???:::bind_and_guard_matched_candidate [???] 683,160 ( 0.01%) include/jemalloc/internal/tsd_tls.h:realloc 681,893 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/casts/cast_ptr_alignment.rs:clippy_lints::casts::cast_ptr_alignment::check_cast_method [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 679,306 ( 0.01%) ???:::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 676,841 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/manual_retain.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 676,783 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/needless_update.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 674,555 ( 0.01%) src/base.c:pa_alloc 674,172 ( 0.01%) ???:::lookup_method_for_operator [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 674,107 ( 0.01%) ???:::hash_owner_nodes::{closure#0} [???] 673,062 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_qpath:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 671,350 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/mod.rs:clippy_lints::doc::suspicious_doc_comments::check 671,050 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::dep_graph::graph::DepNodeIndex>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 669,596 ( 0.01%) src/extent.c:pa_alloc 668,288 ( 0.01%) ???:> as rustc_trait_selection::traits::query::type_op::TypeOp>::fully_perform [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 667,245 ( 0.01%) ???:dladdr [/usr/lib/libc.so.6] 663,498 ( 0.01%) ???:::freeze_and_get_read_spans [???] 661,343 ( 0.01%) include/jemalloc/internal/tcache_inlines.h:malloc_default 659,152 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 655,919 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 654,256 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 653,350 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_path [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 652,968 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/attr/version.rs:::meets 652,272 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/control_flow.rs:clippy_utils::macros::first_node_in_macro:: 648,801 ( 0.01%) ???:>::reserve_rehash::, alloc::vec::Vec>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 646,599 ( 0.01%) ???:::parse_local [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 646,470 ( 0.01%) ???:::parse_expr_prefix [???] 644,712 ( 0.01%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 644,121 ( 0.01%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 643,237 ( 0.01%) include/jemalloc/internal/cache_bin.h:tcache_bin_flush_stashed 635,550 ( 0.01%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 634,935 ( 0.01%) ???:::new [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 632,762 ( 0.01%) include/jemalloc/internal/bit_util.h:calloc 631,656 ( 0.01%) ???:>::reserve_rehash::>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 630,885 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::dep_graph::graph::DepNodeIndex>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 628,697 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 627,630 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 626,773 ( 0.01%) ???:rustc_expand::mbe::transcribe::lockstep_iter_size [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 625,308 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 624,540 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/disallowed_methods.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 624,066 ( 0.01%) ???:::lookup_byte_offset [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 620,897 ( 0.01%) ???:::resolve:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 616,764 ( 0.01%) ???:>::reserve_rehash::>::{closure#0}>'2 [???] 613,818 ( 0.01%) ???:::assemble_extension_candidates_for_trait [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 610,424 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/unicode.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 609,564 ( 0.01%) ???:>::consume_expr'2 [???] 609,447 ( 0.01%) ???:::mk_const_alloc [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 609,070 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/size_of_ref.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 609,034 ( 0.01%) ???:::eval_stability [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 607,425 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_resolve/src/rustdoc.rs:::check_attributes 606,704 ( 0.01%) ???:::finish128_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 606,517 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:::check_attributes 604,215 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_attributes_post [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 602,395 ( 0.01%) ???:::check_expr_field [???] 601,705 ( 0.01%) ???:::clone'2 [???] 600,932 ( 0.01%) include/jemalloc/internal/cache_bin.h:tcache_bin_flush_small 600,318 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/edition.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 600,318 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 597,839 ( 0.01%) ???:::canonicalize_free_region [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 595,321 ( 0.01%) ???:rustc_hir_typeck::check::check_fn [???] 595,045 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 594,408 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_qpath [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 591,650 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::>, false> [???] 591,580 ( 0.01%) ???:::check_ident [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 590,620 ( 0.01%) ???:::visit_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 590,514 ( 0.01%) ???:>::reserve_rehash::>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 589,480 ( 0.01%) ???:::lower_thir_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 588,733 ( 0.01%) ???:rustc_trait_selection::traits::project::confirm_callable_candidate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 588,633 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_qpath:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 588,396 ( 0.01%) ???:::visit_primary_bindings_special::<::declare_bindings::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 586,264 ( 0.01%) ???:>, ())>>::reserve_rehash::>, (), rustc_hash::FxBuildHasher>::{closure#0}> [???] 581,070 ( 0.01%) include/jemalloc/internal/tsd_tls.h:calloc 580,373 ( 0.01%) ???:::renumber_regions::visit_const_operand::{closure#0}>::{closure#0}> as rustc_type_ir::fold::TypeFolder>::fold_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 580,177 ( 0.01%) ???:::parse_pat_with_range_pat'2 [???] 578,944 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 577,216 ( 0.01%) ???:::bump [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 573,487 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::visit_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 572,495 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/flatten.rs:clippy_lints::operators::eq_op::check_assert 570,188 ( 0.01%) ???:::expect_hir_owner_nodes [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 569,069 ( 0.01%) ???:rustc_trait_selection::traits::normalize::normalize_with_depth_to::>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 567,770 ( 0.01%) ???:>::fold_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 563,626 ( 0.01%) ???:>::components_must_outlive [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 563,193 ( 0.01%) ???:::finish [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 562,442 ( 0.01%) ???:rustc_mir_transform::ffi_unwind_calls::has_ffi_unwind_calls [???] 555,156 ( 0.01%) ???:::get_str [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 550,836 ( 0.01%) ???:> as rustc_type_ir::interner::CollectAndApply>>::collect_and_apply::>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, ::mk_args_from_iter>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, core::result::Result>>::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 549,584 ( 0.01%) ???:::get_lint_level_spec [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 546,338 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 544,088 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/res.rs:::check_expr 540,356 ( 0.01%) ???:> as rustc_data_structures::stable_hash::StableHash>::stable_hash:: [???] 538,876 ( 0.01%) ???:>::reserve_rehash::>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 538,677 ( 0.01%) ???:::build_exit_tree [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 538,501 ( 0.01%) ???:::parse_pat_ident [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 536,122 ( 0.01%) ???:::check_decl'2 [???] 533,257 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 530,228 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::dep_graph::graph::DepNodeIndex>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 526,621 ( 0.01%) ???:::new [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 526,395 ( 0.01%) ???:::is_desugaring [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 524,416 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/ineffective_open_options.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 523,575 ( 0.01%) ???:rustc_ast_lowering::lower_to_hir [???] 522,870 ( 0.01%) include/jemalloc/internal/rtree.h:pa_dalloc 519,787 ( 0.01%) ???:::unresolved_root_variables [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 519,156 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:clippy_utils::macros::first_node_in_macro:: 511,944 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 511,766 ( 0.01%) ???:::consume_operand [???] 509,370 ( 0.01%) ???:>::super_fold_with:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 507,717 ( 0.01%) ???:::impl_or_trait_obligations'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 504,925 ( 0.01%) ???:thin_vec::drop_non_singleton:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 504,714 ( 0.01%) ???:rustc_mir_dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::<::apply_call_return_effect::{closure#0}::{closure#0}> [???] 503,459 ( 0.01%) ???:::eq_trace::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 501,256 ( 0.01%) include/jemalloc/internal/sz.h:malloc_default 498,883 ( 0.01%) ???:>::new'2 [???] 498,165 ( 0.01%) ???:::confirm_auto_impl_candidate::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 493,259 ( 0.01%) ???:::next_region_var_in_universe [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 489,539 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/cognitive_complexity.rs:rustc_hir::intravisit::walk_expr::::check::{closure#0}>>'2 487,635 ( 0.01%) ???:::is_const_fn:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 487,184 ( 0.01%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/pa.c:pa_alloc [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 486,724 ( 0.01%) ???:::span_to_snippet [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 481,695 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs:clippy_utils::macros::root_macro_call 479,803 ( 0.01%) ???:>::super_visit_with::<::any_free_region_meets::RegionVisitor<::for_each_free_region::record_regions_live_at::{closure#0}>::{closure#0}>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 477,779 ( 0.01%) ???:::hir_enclosing_body_owner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 477,600 ( 0.01%) ???:), rustc_middle::traits::cache::WithDepNode, rustc_middle::traits::SelectionError>>)>>::reserve_rehash::), rustc_middle::traits::cache::WithDepNode, rustc_middle::traits::SelectionError>>, rustc_hash::FxBuildHasher>::{closure#0}> [???] 473,290 ( 0.01%) ???:::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 472,824 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/permissions_set_readonly_false.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 472,576 ( 0.01%) ???:::typeck_body [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 470,786 ( 0.01%) ???:::register_predicates::>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 470,449 ( 0.01%) ???:::assemble_candidates_from_impls [???] 464,016 ( 0.01%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 462,458 ( 0.01%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 462,270 ( 0.01%) ???:rustc_type_ir::relate::structurally_relate_tys::::{closure#0}'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 459,683 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 459,198 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 459,140 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/char/methods.rs:::trim_start_matches::<::is_whitespace> 458,754 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cmp.rs:clippy_utils::macros::first_node_in_macro:: 458,272 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 458,238 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:clippy_lints::unit_types::unit_arg::check 458,103 ( 0.01%) ???:::check_pat_inner'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 457,869 ( 0.01%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 456,027 ( 0.01%) ???:rustc_hir::intravisit::walk_qpath::> [???] 455,615 ( 0.01%) ???:>::get_attrs [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 454,095 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 454,014 ( 0.01%) ???:thin_vec::drop_non_singleton::>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 452,821 ( 0.01%) ???:::evaluate_obligation_no_overflow [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 451,430 ( 0.01%) ???:::register_wf_obligation [???] 451,260 ( 0.01%) ???:::lang_items [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 449,550 ( 0.01%) ???:::check_expr_pat_type [???] 448,634 ( 0.01%) ???:, rustc_middle::query::erase::ErasedData<[u8; 1]>> as rustc_middle::query::caches::QueryCache>::for_each'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 446,723 ( 0.01%) ???:rustc_mir_dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::<::apply_call_return_effect::{closure#0}::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 446,139 ( 0.01%) ???:>::fold_predicate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 445,578 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/eta_reduction.rs:clippy_lints::eta_reduction::check_closure [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 445,302 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/multi_assignments.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 440,639 ( 0.01%) ???:llvm::cl::Option::addArgument() [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/libLLVM.so.23.1-rust-1.99.0-nightly] 439,106 ( 0.01%) ???:core::slice::sort::stable::quicksort::quicksort::<(rustc_mir_build::builder::scope::DropIdx, rustc_middle::mir::BasicBlock), <(rustc_mir_build::builder::scope::DropIdx, rustc_middle::mir::BasicBlock) as core::cmp::PartialOrd>::lt> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 437,845 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:clippy_utils::in_automatically_derived 436,892 ( 0.01%) ???:rustc_hir_analysis::check::wfcheck::check_fn_or_method [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 436,708 ( 0.01%) ???:::parse_expr_assoc_with'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 434,925 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 434,296 ( 0.01%) ???:::evaluate_predicate_recursively [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 433,970 ( 0.01%) ???:::add_node [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 433,479 ( 0.01%) ???:::resolve_type_vars_in_body [???] 432,191 ( 0.01%) ???:::filter_map_expr [???] 430,766 ( 0.01%) ???:::reserve_and_set_dedup [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 430,653 ( 0.01%) ???:rustc_span::normalize_src [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 430,325 ( 0.01%) ???:rustc_mir_transform::mir_built'2 [???] 428,486 ( 0.01%) ???:>::assumed_wf_types_and_report_errors [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 428,250 ( 0.01%) ???:, rustc_middle::query::erase::ErasedData<[u8; 1]>> as rustc_middle::query::caches::QueryCache>::for_each [???] 426,527 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr_post 422,716 ( 0.01%) ???:rustc_ty_utils::ty::param_env [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 420,336 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:::check_expr 420,260 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 420,260 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 419,537 ( 0.01%) ???:::type_dependent_def_id [???] 416,360 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 416,360 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 416,360 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:clippy_lints::unit_types::unit_cmp::check 415,256 ( 0.01%) ???:rustc_query_impl::query_impl::clauses_of::invoke_provider_fn::__rust_begin_short_backtrace [???] 414,706 ( 0.01%) ???:thin_vec::drop_non_singleton::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 412,893 ( 0.01%) include/jemalloc/internal/edata.h:pa_dalloc 411,234 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs:::trim_matches::<::is_whitespace> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 406,520 ( 0.01%) ???:::make_all_regions_live::{closure#0}> as rustc_type_ir::visit::TypeVisitor>::visit_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 406,193 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 406,072 ( 0.01%) ???:>)>>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 405,971 ( 0.01%) ???:::stable_hash::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 405,574 ( 0.01%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 402,774 ( 0.01%) /rust/deps/thin-vec-0.2.19/src/lib.rs:::check_attributes 401,067 ( 0.01%) ???:::call_once_force::<>>>::initialize<>>>::get_or_init<::predecessors::{closure#0}>::{closure#0}, !>::{closure#0}>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 399,203 ( 0.01%) ???:::get_terminator_edges [???] 398,166 ( 0.01%) ???:>::super_visit_with::<::any_free_region_meets::RegionVisitor<::for_each_free_region::visit_const_operand::{closure#0}>::{closure#0}>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 397,432 ( 0.01%) ???:::from_token_lit [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 396,038 ( 0.01%) ???:::mirror_stmts::{closure#0}'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 395,994 ( 0.01%) ???:::lower_match_tree [???] 395,441 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/unnested_or_patterns.rs:::check_expr 393,989 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/incompatible_msrv.rs:::emit_lint_if_under_msrv [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 393,268 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::query::erase::ErasedData<[u8; 1]>>, false>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 391,683 ( 0.01%) ???:>::rebase_onto [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 391,499 ( 0.01%) ???:rustc_type_ir::relate::combine::combine_ty_args::>::relate_ty_args::{closure#0}::{closure#0}>::{closure#0}>::{closure#0} [???] 391,098 ( 0.01%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 390,861 ( 0.01%) ???:::parse_block_common'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 390,462 ( 0.01%) ???:::decode_syntax_context [???] 390,308 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 386,053 ( 0.01%) ???:::declare [???] 383,743 ( 0.01%) ???: as core::ops::drop::Drop>::drop::drop_non_singleton:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 382,177 ( 0.01%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with:: [???] 382,070 ( 0.01%) ???:::mark_live_symbols [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 379,771 ( 0.01%) ???:rustc_ty_utils::assoc::associated_items [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 379,178 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::dep_graph::graph::DepNodeIndex>, false>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 377,889 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cell.rs:clippy_utils::macros::first_node_in_macro:: 377,809 ( 0.01%) include/jemalloc/internal/edata.h:malloc_default 376,741 ( 0.01%) src/tcache.c:free_default 374,920 ( 0.01%) ???:rustc_ast::visit::visit_stmts::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 373,706 ( 0.01%) ???:rustc_mir_build::thir::pattern::check_match::check_match [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 373,033 ( 0.01%) ???:>::fold_const [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 372,066 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/flatten.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 371,242 ( 0.01%) ???:rustc_hir_analysis::collect::generics_of::generics_of [???] 370,982 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 369,822 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::check_attributes 369,822 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::check_attributes_post 367,721 ( 0.01%) ???:::lower_match_arms [???] 366,673 ( 0.01%) ???:rustc_expand::mbe::quoted::parse'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 366,578 ( 0.01%) ???:0x0000000000029600 [/usr/lib/ld-linux-x86-64.so.2] 366,341 ( 0.01%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 365,545 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/disallowed_macros.rs:::check_expr 365,470 ( 0.01%) ???:::visit_fn [???] 365,022 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 364,562 ( 0.01%) include/jemalloc/internal/sz.h:tcache_bin_flush_small 364,315 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 364,315 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/regex.rs:::check_expr_post 362,533 ( 0.01%) ???:rustc_mir_build::thir::cx::thir_body [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 362,017 ( 0.01%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 360,931 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::query::erase::ErasedData<[u8; 1]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 360,662 ( 0.01%) ???:::lower_ty [???] 359,861 ( 0.01%) ???:::parse_item_kind [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 359,095 ( 0.01%) include/jemalloc/internal/bit_util.h:pa_alloc 359,091 ( 0.01%) ???:::visit_const_operand [???] 359,020 ( 0.01%) ???:::visit_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 358,576 ( 0.01%) ???:::parse_fn_params [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 358,142 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/consts.rs:::qpath [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 357,839 ( 0.01%) ???:::new'2 [???] 357,691 ( 0.01%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 357,295 ( 0.01%) ???:::visit_body'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 357,198 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/index.rs:::next_match 356,856 ( 0.01%) ???:::qualif_local:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 356,462 ( 0.01%) /rust/deps/hashbrown-0.17.1/src/control/tag.rs:>::insert 355,508 ( 0.01%) ???:rustc_borrowck::handle_placeholders::rewrite_placeholder_outlives [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 355,476 ( 0.01%) ???:::clone [???] 354,907 ( 0.01%) ???:::resolve_imports [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 353,123 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 352,779 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::visit_expr'2 352,285 ( 0.01%) src/tcache.c:malloc_default 352,107 ( 0.01%) ???:>::super_visit_with::<::any_free_region_meets::RegionVisitor<::for_each_free_region::record_regions_live_at::{closure#0}>::{closure#0}>>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 351,694 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_qpath:: 351,399 ( 0.01%) ???:::stable_hash:: [???] 351,366 ( 0.01%) ???: as core::clone::Clone>::clone::clone_non_singleton::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 351,263 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::check_attributes 351,263 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::check_attributes_post 351,006 ( 0.01%) ???:>::reserve_rehash::>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 350,965 ( 0.01%) ???:rustc_hir_analysis::collect::clauses_of::gather_explicit_clauses_of [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 350,250 ( 0.01%) ???:::lower_pattern'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 349,581 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/erase_regions.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 349,404 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 348,195 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 347,067 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_attributes [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 347,067 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_attributes_post [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 346,989 ( 0.01%) ???:>, &mut rustc_infer::infer::snapshot::undo_log::InferCtxtUndoLogs>>>::uninlined_get_root_key [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 346,920 ( 0.01%) ???:>::try_grow [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 346,030 ( 0.01%) ???:::def_id_partial_cmp [???] 345,759 ( 0.01%) include/jemalloc/internal/rtree.h:ecache_evict 344,576 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:clippy_utils::macros::matching_root_macro_call 343,847 ( 0.01%) ???:::next_ty_var [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 343,827 ( 0.01%) ???:::fill_well_known'2 [???] 343,268 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs: as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::find_map::check<(rustc_span::hygiene::ExpnId, rustc_span::hygiene::ExpnData), clippy_utils::macros::MacroCall, &mut clippy_utils::macros::macro_backtrace::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 342,864 ( 0.01%) include/jemalloc/internal/thread_event.h:malloc_default 340,754 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 339,860 ( 0.01%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::generics_of [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 336,242 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/no_effect.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 335,984 ( 0.01%) ???:> as rustc_type_ir::interner::CollectAndApply>::collect_and_apply::>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::structurally_relate_tys::{closure#0}::{closure#1}>, ::new_tup_from_iter>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::structurally_relate_tys::{closure#0}::{closure#1}>, core::result::Result>>::{closure#0}> [???] 335,675 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/attrs.rs:::check_attributes 335,081 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::dep_graph::graph::DepNodeIndex>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 334,495 ( 0.01%) ???:::parse_ty_common [???] 334,320 ( 0.01%) ???:::check_expr_match [???] 332,627 ( 0.01%) include/jemalloc/internal/jemalloc_internal_inlines_b.h:malloc_default 332,149 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::peel_hir_expr_refs [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 331,585 ( 0.01%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::>, bool), rustc_middle::query::erase::ErasedData<[u8; 8]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 330,231 ( 0.01%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 328,245 ( 0.01%) ???:>>::walk_ref [???] 327,418 ( 0.01%) ???:::hir_body [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 327,327 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/unused_io_amount.rs:clippy_lints::unused_io_amount::should_lint [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 327,076 ( 0.01%) ???:::lower_pat [???] 326,533 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::visit_expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 325,619 ( 0.01%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with:: [???] 325,347 ( 0.01%) src/sz.c:pa_alloc 325,237 ( 0.01%) ???:rustc_trait_selection::traits::normalize_param_env_or_error [???] 324,580 ( 0.01%) ???:rustc_privacy::check_mod_privacy [???] 324,129 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 323,282 ( 0.01%) ???:::hir_maybe_body_owned_by [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 322,566 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/utils/author.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 321,255 ( 0.01%) ???:::write_str [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 321,084 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 321,048 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/attr/version.rs:::meets 321,048 ( 0.01%) /rust/deps/smallvec-1.15.1/src/lib.rs:::meets [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 321,048 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets 320,869 ( 0.01%) ???:::is_mutable'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 320,422 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/utils/dump_hir.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 318,907 ( 0.01%) ???:::lower_variant_or_leaf [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 318,507 ( 0.01%) ???:::visit_ty [???] 318,283 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 317,045 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_qpath:: 316,674 ( 0.01%) ???:::lower_thir_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 315,292 ( 0.01%) ???:::check_stmt [???] 313,702 ( 0.01%) ???:::visit_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 313,165 ( 0.01%) include/jemalloc/internal/rtree.h:free_default 312,845 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/unused_unit.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 312,270 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 312,270 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 312,270 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/unit_types/mod.rs:::check_expr 312,182 ( 0.01%) ???:)>>::reserve_rehash::, rustc_hash::FxBuildHasher>::{closure#0}> [???] 312,078 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/operators/float_cmp.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 311,740 ( 0.01%) ???:>::relate:: [???] 311,690 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/operators/eq_op.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 309,441 ( 0.01%) ???:::visit_ty [???] 307,739 ( 0.01%) ???:::from_tokens [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 307,538 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/eta_reduction.rs:::check_expr 307,499 ( 0.01%) ???:> as rustc_middle::query::caches::QueryCache>::for_each'2 [???] 307,350 ( 0.01%) ???:::stable_hash::'2 [???] 306,737 ( 0.01%) ???:::visit_place [???] 306,198 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 305,205 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/flatten.rs:clippy_lints::operators::float_cmp::check_assert 303,487 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::in_automatically_derived [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 303,315 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/hir.rs:::check_expr 303,286 ( 0.01%) ???:rustc_mir_transform::mir_promoted'2 [???] 302,898 ( 0.01%) ???:::resolve_ident_in_lexical_scope [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 302,172 ( 0.01%) ???:::poly_select::{closure#0}'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 301,666 ( 0.01%) ???:::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 301,400 ( 0.01%) ???:rustc_ty_utils::common_traits::is_copy_raw [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 301,271 ( 0.01%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 300,672 ( 0.01%) ???:::visit_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 300,506 ( 0.01%) ???:>::instantiate_cold::<::instantiate_canonical>::{closure#1}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 300,485 ( 0.01%) include/jemalloc/internal/ph.h:pa_dalloc 300,205 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/adt.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 299,862 ( 0.01%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 299,825 ( 0.01%) ???:::liberate_late_bound_regions::>::{closure#0} [???] 299,651 ( 0.01%) ???:rustc_trait_selection::traits::type_known_to_meet_bound_modulo_regions [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 299,348 ( 0.01%) ???:::hir_get_fn_id_for_return_block [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 298,340 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/validations.rs:::trim_start_matches::<::is_whitespace> 296,680 ( 0.01%) ???: as core::clone::Clone>::clone [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 296,476 ( 0.01%) ???:rustc_query_impl::execution::try_execute_query::>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 296,168 ( 0.01%) ???:rustc_query_impl::query_impl::explicit_clauses_of::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 295,204 ( 0.01%) ???:rustc_hir::intravisit::walk_unambig_ty:: [???] 294,909 ( 0.01%) ???:>::super_visit_with::<::any_free_region_meets::RegionVisitor<::for_each_free_region::visit_const_operand::{closure#0}>::{closure#0}>>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 294,009 ( 0.01%) ???:rustc_traits::dropck_outlives::dropck_outlives [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 293,409 ( 0.01%) include/jemalloc/internal/mutex.h:tcache_bin_flush_small 292,970 ( 0.01%) site/frontend/rust-clippy/clippy_utils/src/res.rs:::check_expr 292,746 ( 0.01%) ???:::visit_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 291,595 ( 0.01%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with:: [???] 291,227 ( 0.01%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 290,810 ( 0.01%) ???: as rustc_type_ir::visit::TypeVisitor>::visit_ty'2 [???] 288,406 ( 0.01%) ???:::lower_node_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 287,451 ( 0.01%) ???:>::super_visit_with::<::any_free_region_meets::RegionVisitor<::all_free_regions_meet::{closure#0}>>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 287,326 ( 0.01%) ???:::visit_item::{closure#0}::{closure#0}'2 [???] 286,752 ( 0.01%) ???:rustc_hir_analysis::collect::item_bounds::impl_super_outlives [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 286,708 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::trim_matches::<::is_whitespace> 286,486 ( 0.01%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/jemalloc.c:free_default [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 284,573 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 284,093 ( 0.01%) ???:::resolve_vars_with_obligations:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 284,049 ( 0.01%) ???:::check_expr_closure [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 283,692 ( 0.01%) include/jemalloc/internal/bit_util.h:realloc 283,606 ( 0.01%) include/jemalloc/internal/ph.h:malloc_default 283,430 ( 0.01%) ???:::nominal_obligations [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 283,232 ( 0.01%) ???:>::normalize::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 282,607 ( 0.01%) include/jemalloc/internal/mutex.h:malloc_default 281,838 ( 0.01%) ???:::resolve_regions_with_outlives_env [???] 281,634 ( 0.01%) ???:::check_snake_case [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 279,960 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_qpath:: 279,316 ( 0.01%) ???:core::fmt::write [???] 279,241 ( 0.01%) ???:::make_canonicalized_query_response:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 277,337 ( 0.01%) ???: as rustc_type_ir::relate::Relate>::relate:: [???] 277,204 ( 0.01%) /rust/deps/hashbrown-0.17.1/src/map.rs:>::insert [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 277,158 ( 0.01%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 277,119 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/swap.rs:::check_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 276,942 ( 0.01%) ???:> as rustc_type_ir::interner::CollectAndApply>>::collect_and_apply::>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, ::mk_args_from_iter>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::relate_args_invariantly::{closure#0}>, core::result::Result>>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 276,782 ( 0.01%) ???:>, &mut rustc_infer::infer::snapshot::undo_log::InferCtxtUndoLogs>>>::uninlined_get_root_key'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 276,556 ( 0.01%) ???:::visit_path [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 276,302 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/manual_non_exhaustive.rs:::check_expr 275,689 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/hir.rs:clippy_lints::casts::cast_slice_from_raw_parts::check_implicit_cast 275,644 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/hir.rs:clippy_lints::casts::cast_slice_different_sizes::expr_cast_chain_tys 275,280 ( 0.01%) ???:>::uninlined_mark_dependents_as_waiting'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 275,222 ( 0.01%) ???:rustc_hir::intravisit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 273,607 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::check_attributes 273,598 ( 0.01%) ???:> as rustc_type_ir::interner::CollectAndApply>::collect_and_apply::>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::structurally_relate_tys::{closure#0}::{closure#1}>, ::new_tup_from_iter>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::structurally_relate_tys::{closure#0}::{closure#1}>, core::result::Result>>::{closure#0}> [???] 273,587 ( 0.01%) ???:::parse_outer_attributes [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 273,157 ( 0.01%) ???:::var_for_def [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 272,610 ( 0.01%) ???:::visit_pat [???] 272,104 ( 0.01%) ???:rustc_trait_selection::traits::query::dropck_outlives::trivial_dropck_outlives [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 272,005 ( 0.01%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_attributes 271,377 ( 0.01%) include/jemalloc/internal/mutex.h:pa_alloc 270,794 ( 0.01%) ???:rustc_codegen_ssa::codegen_attrs::codegen_fn_attrs [???] 270,763 ( 0.01%) ???:rustc_hir_analysis::check::region::resolve_block [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 270,244 ( 0.01%) site/frontend/rust-clippy/clippy_lints/src/useless_conversion.rs:::check_expr_post 269,572 ( 0.00%) ???:std::exception::~exception() [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 269,222 ( 0.00%) ???:::decode_span'2 [???] 269,210 ( 0.00%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 268,683 ( 0.00%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 268,668 ( 0.00%) ???:>::tys [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 268,540 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs: as alloc::vec::spec_from_iter_nested::SpecFromIterNested<(rustc_span::span_encoding::Span, alloc::string::String), core::iter::adapters::filter_map::FilterMap, clippy_lints::doc::suspicious_doc_comments::collect_doc_replacements::{closure#0}>>>::from_iter 268,540 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/attrs.rs:::check_attributes_post 268,165 ( 0.00%) include/jemalloc/internal/atomic.h:pa_alloc 267,930 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 266,287 ( 0.00%) ???:::commit_if_ok:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 265,862 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 265,297 ( 0.00%) ???:>::fold_with::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 264,708 ( 0.00%) ???:::lower_pat_mut'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 264,644 ( 0.00%) ???:rustc_lint::unused::must_use::is_ty_must_use [???] 264,285 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs:clippy_utils::macros::first_node_in_macro:: 264,082 ( 0.00%) ???:>::fold_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 263,917 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:>::walk_ref'2 263,745 ( 0.00%) ???:::lower_expr_mut [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 263,575 ( 0.00%) ???:rustc_mir_build::builder::matches::match_pair::squash_inter_pat'2 [???] 263,416 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::fn_def_id_with_node_args [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 262,644 ( 0.00%) ???:::visit_stmt'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 262,052 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/collections/hash/map.rs:::check_attributes 262,052 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/attrs/mod.rs:::check_attributes_post 261,597 ( 0.00%) ???:::flat_map_stmt'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 261,448 ( 0.00%) ???: as rustc_type_ir::visit::TypeVisitor>::visit_ty [???] 261,070 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:::check_expr 261,059 ( 0.00%) ???:::apply_inner::::apply_revealing_opaque<::apply::{closure#0}>::{closure#0}, ::apply::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 260,908 ( 0.00%) ???:::insert_term [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 260,724 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 260,425 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/needless_parens_on_range_literals.rs:::check_expr 260,380 ( 0.00%) ???:rustc_hir::intravisit::walk_ty:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 260,225 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:::check_expr 260,225 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:::check_expr 260,225 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:::check_expr 260,225 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:::check_expr 260,225 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:::check_expr 260,225 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/functions/mod.rs:::check_expr 259,616 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 259,296 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_qpath:: 259,015 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with:: [???] 258,042 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/edition.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 258,042 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 258,042 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 258,042 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:>::with::<::with::outer_expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> 257,532 ( 0.00%) ???:rustc_traits::normalize_projection_ty::normalize_canonicalized_projection [???] 257,283 ( 0.00%) ???:::is_exported [???] 257,171 ( 0.00%) ???:::new [???] 256,822 ( 0.00%) ???:::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 256,636 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 256,556 ( 0.00%) ???:::visit_ty [???] 255,337 ( 0.00%) ???:rustc_traits::type_op::type_op_normalize_clause [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 254,307 ( 0.00%) ???:::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 253,682 ( 0.00%) ???:>, (rustc_middle::query::erase::ErasedData<[u8; 8]>, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<>, (rustc_middle::query::erase::ErasedData<[u8; 8]>, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [???] 253,610 ( 0.00%) src/thread_event.c:free_default 253,141 ( 0.00%) ???:::eq_trace::>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 252,945 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs: as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::find_map::check<(rustc_span::hygiene::ExpnId, rustc_span::hygiene::ExpnData), clippy_utils::macros::MacroCall, &mut clippy_utils::macros::macro_backtrace::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 252,517 ( 0.00%) /rust/deps/scoped-tls-1.0.1/src/lib.rs:>::with::<::with::is_descendant_of::{closure#0}>::{closure#0}, bool> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 252,253 ( 0.00%) ???:::visit_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 251,578 ( 0.00%) ???:::parse_ty_common'2 [???] 251,100 ( 0.00%) ???:::span [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 250,964 ( 0.00%) ???: as rustc_ast::visit::Visitor>::visit_expr [???] 250,550 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 250,444 ( 0.00%) ???:rustc_mir_build::thir::pattern::pat_from_hir::{closure#0} [???] 250,100 ( 0.00%) ???:>::reserve_rehash::>>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 249,439 ( 0.00%) ???:rustc_hir_analysis::check::check::check_item_type [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 248,872 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/visit.rs:rustc_ast::visit::walk_stmt::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 248,792 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 248,621 ( 0.00%) include/jemalloc/internal/ticker.h:malloc_default 248,274 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/filter_map.rs:clippy_utils::macros::first_node_in_macro:: 248,194 ( 0.00%) ???:::check_expr_post [???] 247,631 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, bool), rustc_middle::query::erase::ErasedData<[u8; 8]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 247,497 ( 0.00%) ???:::walk_::<::walk_always<::lower_pattern::{closure#0}>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 246,449 ( 0.00%) ???:::as_rvalue [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 246,294 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 246,237 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_serialize::serialize::Decodable>::decode [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 244,971 ( 0.00%) ???:::new'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 244,730 ( 0.00%) ???:::opt_item_name [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 244,547 ( 0.00%) ???:>::types_may_unify_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 244,009 ( 0.00%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 243,482 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::if_statement_binops [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 242,798 ( 0.00%) ???:>::initialize::<>::get_or_init<::create_global_ctxt, rustc_interface::passes::create_and_enter_global_ctxt, rustc_driver_impl::run_compiler::{closure#0}::{closure#1}>::{closure#2}>::{closure#1}>::{closure#0}, !> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 241,531 ( 0.00%) /rust/deps/hashbrown-0.17.1/src/raw.rs:>::insert 240,964 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 240,715 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/hir/map.rs:clippy_utils::macros::first_node_in_macro:: 240,553 ( 0.00%) ???:::break_scope [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 240,329 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/res.rs:::check_expr 239,773 ( 0.00%) ???:::evaluate_predicate_recursively'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 238,785 ( 0.00%) src/extent.c:tcache_bin_flush_small 238,275 ( 0.00%) ???:::intern_region [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 235,998 ( 0.00%) ???:::check_expr_block [???] 235,622 ( 0.00%) ???:__cxa_finalize [/usr/lib/libc.so.6] 235,498 ( 0.00%) ???:::visit_expr::{closure#0}'2 [???] 234,980 ( 0.00%) ???:::decode_symbol [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 232,876 ( 0.00%) ???: as rustc_ast::visit::Visitor>::visit_pat [???] 231,840 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 230,990 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::append_opt_vecs:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 229,878 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 229,716 ( 0.00%) /rust/deps/indexmap-2.14.0/src/map.rs:>::swap_remove:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 229,709 ( 0.00%) src/arena.c:tcache_bin_flush_small 229,437 ( 0.00%) ???:rustc_hir_typeck::method::probe::method_autoderef_steps [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 229,362 ( 0.00%) src/thread_event.c:malloc_default 229,090 ( 0.00%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 228,942 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 228,363 ( 0.00%) ???:::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 227,604 ( 0.00%) ???:::confirm_builtin_candidate::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 227,531 ( 0.00%) ???:::stable_hash:: [???] 226,182 ( 0.00%) ???:rustc_mir_dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::::apply_switch_int_edge_effect::{closure#0}>::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 225,812 ( 0.00%) src/emap.c:pa_alloc 225,441 ( 0.00%) ???:> as rustc_type_ir::relate::Relate>::relate:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 225,333 ( 0.00%) ???:::find_ancestor_inside [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 225,134 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 224,578 ( 0.00%) ???:> as rustc_data_structures::stable_hash::StableHash>::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 224,157 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, false> [???] 223,746 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/casts/needless_type_cast.rs:rustc_hir::intravisit::walk_expr::>'2 223,618 ( 0.00%) ???:<[rustc_hir::hir::PathSegment] as rustc_data_structures::stable_hash::StableHash>::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 223,201 ( 0.00%) ???:::lower_lifetime [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 223,165 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/take_while.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 221,781 ( 0.00%) ???:::mirror_stmts::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 221,756 ( 0.00%) ???:::pick_method [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 221,552 ( 0.00%) ???:>), rustc_middle::traits::cache::WithDepNode)>>::reserve_rehash::>), rustc_middle::traits::cache::WithDepNode, rustc_hash::FxBuildHasher>::{closure#0}> [???] 220,258 ( 0.00%) ???:::qualif_local:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 220,176 ( 0.00%) ???:::next_region_var [???] 219,900 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 219,652 ( 0.00%) ???:>::drop_slow'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 219,389 ( 0.00%) ???:rustc_mir_build::builder::matches::traverse_candidate::, alloc::vec::into_iter::IntoIter, ::from_candidate::{closure#0}, ::from_candidate::{closure#1}, ::from_candidate::{closure#2}> [???] 218,849 ( 0.00%) ???:>::insert_full [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 218,643 ( 0.00%) ???:>::normalize:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 218,434 ( 0.00%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 218,232 ( 0.00%) ???:>::with_lint_attrs::< as rustc_ast::visit::Visitor>::visit_local::{closure#0}>::{closure#0} [???] 217,763 ( 0.00%) ???:>, (rustc_middle::query::erase::ErasedData<[u8; 2]>, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<>, (rustc_middle::query::erase::ErasedData<[u8; 2]>, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [???] 217,692 ( 0.00%) ???:::visit_qpath'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 217,656 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cmp.rs:::meets 217,656 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::meets 217,656 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/sync/atomic.rs:::meets 217,645 ( 0.00%) ???:::update_decl_chain [???] 217,562 ( 0.00%) ???:::fresh_empty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 217,039 ( 0.00%) ???:rustc_traits::dropck_outlives::adt_dtorck_constraint'2 [???] 216,825 ( 0.00%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::adt_def [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 216,531 ( 0.00%) ???:rustc_lint::types::literal::lint_literal [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 216,225 ( 0.00%) ???:::try_plant_decl_into_local_module [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 216,194 ( 0.00%) ???:::in_any_value_of_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 216,138 ( 0.00%) ???:>::walk::::{closure#0}::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 215,886 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 215,673 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 215,594 ( 0.00%) ???:::visit_local [???] 215,418 ( 0.00%) ???:>::try_fold_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 214,283 ( 0.00%) ???:::register_lints [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 214,173 ( 0.00%) include/jemalloc/internal/edata.h:ecache_evict 213,766 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::maybe_walk_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 213,225 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/map_unit_fn.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 212,895 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/unused_io_amount.rs:clippy_lints::unused_io_amount::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 212,358 ( 0.00%) ???:::call_once_force::<>>::initialize<>>::get_or_init<::dominators::{closure#0}>::{closure#0}, !>::{closure#0}>::{closure#0} [???] 211,749 ( 0.00%) ???:rustc_mir_build::builder::matches::match_pair::squash_inter_pat [???] 211,581 ( 0.00%) ???:::visit_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 211,313 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 210,580 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::trim_matches::<::is_whitespace> 210,012 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/suspicious_trait_impl.rs:::check_expr 209,611 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::hir 209,448 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/vec_init_then_push.rs:::check_expr 209,097 ( 0.00%) ???:llvm::DenseMapBase, llvm::detail::DenseMapPair >, llvm::StringRef, llvm::cl::Option*, llvm::DenseMapInfo, llvm::detail::DenseMapPair >::moveFrom(llvm::DenseMap, llvm::detail::DenseMapPair >&) [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/libLLVM.so.23.1-rust-1.99.0-nightly] 208,967 ( 0.00%) ???:::field_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 208,600 ( 0.00%) ???:::expr_into_dest [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 208,342 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 208,278 ( 0.00%) ???:::canonical_var [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 208,180 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 208,180 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 208,180 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 208,180 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 207,499 ( 0.00%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 207,328 ( 0.00%) ???:::check_expr_match'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 206,373 ( 0.00%) ???:::relate_universal_regions [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 206,305 ( 0.00%) ???:rustc_hir_analysis::check::wfcheck::enter_wf_checking_ctxt:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 205,654 ( 0.00%) ???:>::cat_expr_ [???] 204,913 ( 0.00%) ???:::parse_item_common [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 203,680 ( 0.00%) ???:::traits_in_scope'2 [???] 201,675 ( 0.00%) ???:thin_vec::drop_non_singleton::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 201,501 ( 0.00%) ???:::mark_span_with_reason [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 201,473 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/string.rs:::check_attributes 201,405 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint/src/context.rs:::check_attributes 201,405 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:clippy_lints::doc::suspicious_doc_comments::check 201,405 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mut_ptr.rs:clippy_lints::doc::suspicious_doc_comments::check 201,387 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs:::check_attributes 199,802 ( 0.00%) ???:::render [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 199,678 ( 0.00%) ???:::scan_string [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 199,069 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lexer/src/lib.rs:::with_source_text::::{closure#0}> 199,014 ( 0.00%) ???:rustc_mir_dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::::apply_primary_statement_effect::{closure#0}>::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 198,013 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr_post 197,772 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_type_ir::fold::TypeFoldable>::fold_with::'2 [???] 197,088 ( 0.00%) ???:::mk_place_elems [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 196,749 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:>::walk_ref'2 196,376 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/result.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 196,277 ( 0.00%) ???:rustc_hir::intravisit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 196,129 ( 0.00%) ???:rustc_traits::type_op::type_op_normalize_fn_sig [???] 195,578 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 195,384 ( 0.00%) ???:::apply_call_return_effect [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 195,216 ( 0.00%) ???:::node [???] 194,740 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/toplevel_ref_arg.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 194,481 ( 0.00%) src/tcache.c:realloc 192,837 ( 0.00%) ???:::lower_stmts [???] 192,404 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 191,875 ( 0.00%) ???:0x000000000000ad20 [/usr/lib/ld-linux-x86-64.so.2] 191,640 ( 0.00%) ???: as core::clone::Clone>::clone::clone_non_singleton::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 191,199 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/visitors.rs:rustc_hir::intravisit::walk_expr::>'2 190,389 ( 0.00%) ???:::check_match [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 190,287 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::trim_start_matches::<::is_whitespace> 190,160 ( 0.00%) ???: as rustc_data_structures::flat_map_in_place::FlatMapInPlace>::flat_map_in_place::::{closure#0}, smallvec::SmallVec<[rustc_ast::ast::Stmt; 1]>> [???] 189,944 ( 0.00%) ???:rustc_hir_analysis::check::region::region_scope_tree [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 189,870 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 189,602 ( 0.00%) ???: as core::clone::Clone>::clone [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 189,143 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 188,783 ( 0.00%) ???:rustc_hir_typeck::check::check_fn'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 188,221 ( 0.00%) ???:::expr_adjustments [???] 187,707 ( 0.00%) src/thread_event.c:realloc 187,567 ( 0.00%) ???:rustc_ast::visit::visit_stmts::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 187,460 ( 0.00%) ???:rustc_ast::visit::visit_stmts::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 187,460 ( 0.00%) ???:rustc_ast::visit::visit_stmts::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 187,460 ( 0.00%) ???:rustc_ast::visit::visit_stmts::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 187,212 ( 0.00%) include/jemalloc/internal/thread_event.h:free_default 187,200 ( 0.00%) ???:::prohibit_generic_args::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 186,838 ( 0.00%) ???:rustc_ast::visit::visit_stmts::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 186,747 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::::handle_term::outer_exclusive_binder, ::new_error>::{closure#0}>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 186,408 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 186,185 ( 0.00%) ???:rustc_ast::visit::visit_stmts::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 186,019 ( 0.00%) ???:::lifetime_res_to_generic_param [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 185,698 ( 0.00%) ???:::check_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 185,400 ( 0.00%) ???:::features [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 184,862 ( 0.00%) ???:rustc_query_impl::query_impl::inferred_outlives_of::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 184,843 ( 0.00%) src/emap.c:tcache_bin_flush_small 184,612 ( 0.00%) ???:rustc_query_impl::query_impl::type_of::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 183,641 ( 0.00%) ???:::hash_one::<&std::path::PathBuf> [???] 183,094 ( 0.00%) ???:::instantiate_identity_into [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 182,602 ( 0.00%) ???:>::super_fold_with::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 182,493 ( 0.00%) ???:core::str::converts::from_utf8 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 181,975 ( 0.00%) ???: as rustc_infer::traits::engine::TraitEngine>::register_predicate_obligation [???] 181,451 ( 0.00%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 180,912 ( 0.00%) ???:core::ptr::drop_glue::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 180,274 ( 0.00%) ???:::new [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 180,077 ( 0.00%) ???:::match_candidates'2 [???] 179,912 ( 0.00%) ???:::find [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,862 ( 0.00%) ???:>::fill_item::<>::extend_to<::confirm::{closure#0}>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,784 ( 0.00%) ???:>, &mut rustc_infer::infer::snapshot::undo_log::InferCtxtUndoLogs>>>::uninlined_get_root_key'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,515 ( 0.00%) ???:rustc_hir::intravisit::walk_block::<::collect_taits_declared_in_body::TaitInBodyFinder>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,392 ( 0.00%) ???:>::decode [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,317 ( 0.00%) ???:rustc_ast::mut_visit::walk_fn:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,263 ( 0.00%) ???:::visit_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,263 ( 0.00%) ???:rustc_hir::intravisit::walk_block::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,263 ( 0.00%) ???:rustc_hir::intravisit::walk_block::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,263 ( 0.00%) ???:rustc_hir::intravisit::walk_block::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,156 ( 0.00%) ???:::visit_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 179,156 ( 0.00%) ???:rustc_hir::intravisit::walk_block::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 178,849 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_type_ir::fold::TypeFoldable>::fold_with::> [???] 178,389 ( 0.00%) ???:::lex_token_trees [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 178,022 ( 0.00%) ???:::deeply_normalize:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 177,668 ( 0.00%) ???:::fresh_args_for_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 177,236 ( 0.00%) include/jemalloc/internal/tsd.h:malloc_default 176,977 ( 0.00%) ???:::get_variant [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 175,766 ( 0.00%) ???:::hir_body_owned_by [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 175,764 ( 0.00%) ???:::clone'2 [???] 175,608 ( 0.00%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 175,305 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::>, rustc_middle::query::erase::ErasedData<[u8; 32]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 175,189 ( 0.00%) ???:::check_item [???] 175,044 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::>>>, rustc_middle::query::erase::ErasedData<[u8; 8]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 174,513 ( 0.00%) src/decay.c:tcache_bin_flush_small 174,378 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_ty [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 173,640 ( 0.00%) ???:::mirror_block [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 173,366 ( 0.00%) ???:rustc_trait_selection::traits::specialize::specialization_graph_provider [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 172,784 ( 0.00%) ???:<::any_free_region_meets::RegionVisitor<::for_each_free_region::record_regions_live_at::{closure#0}>::{closure#0}> as rustc_type_ir::visit::TypeVisitor>::visit_region [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 172,676 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/needless_ifs.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 172,614 ( 0.00%) ???:::lower_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 172,538 ( 0.00%) ???:::parse_item_common'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 172,108 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/reserve_after_initialization.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 171,868 ( 0.00%) ???:::project_deeper [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 171,696 ( 0.00%) ???:>::decode [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 171,398 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 171,106 ( 0.00%) ???:::span_data_to_lines_and_cols [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 170,925 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_type_ir::fold::TypeFoldable>::fold_with:: [???] 170,786 ( 0.00%) ???:::lower_ty'2 [???] 170,705 ( 0.00%) ???:::pad [???] 170,575 ( 0.00%) ???:::instantiate_bound_regions::<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty>, ::replace_bound_regions_with_nll_infer_vars<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty>>::{closure#0}>::{closure#0} [???] 170,451 ( 0.00%) ???:rustc_hir::intravisit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 169,656 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 169,656 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 169,244 ( 0.00%) ???:::edition [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 169,229 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::visit_qpath 168,811 ( 0.00%) ???:::is_conditionally_const:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 168,544 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:::check_expr 168,544 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:::check_expr 168,544 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:::check_expr 168,544 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:::check_expr 168,544 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:::check_expr 168,538 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:::check_expr 168,492 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 167,740 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:clippy_utils::macros::first_node_in_macro:: 167,546 ( 0.00%) ???:::anonymize_bound_vars::Anonymize> as rustc_type_ir::fold::TypeFolder>::fold_ty'2 [???] 167,506 ( 0.00%) ???:>::instantiate_cold::<::query_response_instantiation_guess<()>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 166,418 ( 0.00%) ???:::parse_arm::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 165,927 ( 0.00%) ???:>, &mut rustc_infer::infer::snapshot::undo_log::InferCtxtUndoLogs>>>::unify_var_var:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 165,894 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/functions/too_many_lines.rs:::check_fn 165,879 ( 0.00%) ???:>::extend_desugared::>, rustc_trait_selection::traits::fulfill::args_infer_vars::{closure#0}>, core::iter::adapters::map::Map, std::collections::hash::map::IntoIter>, fn((rustc_middle::ty::generic_args::GenericArg, ())) -> rustc_middle::ty::generic_args::GenericArg>, rustc_trait_selection::traits::fulfill::args_infer_vars::{closure#1}>, ::maybe_from_generic_arg>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 165,107 ( 0.00%) ???:)>>::reserve_rehash::, rustc_hash::FxBuildHasher>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 165,051 ( 0.00%) ???:::check_def_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 164,788 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::>, rustc_middle::query::erase::ErasedData<[u8; 8]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 163,369 ( 0.00%) include/jemalloc/internal/sz.h:pa_dalloc 163,030 ( 0.00%) ???:rustc_ast::visit::visit_stmts::> [???] 162,967 ( 0.00%) ???:rustc_hir::intravisit::walk_pat::> [???] 162,924 ( 0.00%) include/jemalloc/internal/tcache_inlines.h:free_default 162,806 ( 0.00%) ???:::lower_item_kind [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 162,778 ( 0.00%) ???:::from_def_id [???] 162,653 ( 0.00%) ???:rustc_query_impl::query_impl::def_kind::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 162,514 ( 0.00%) /rust/deps/thin-vec-0.2.19/src/lib.rs:>::walk_ref'2 162,266 ( 0.00%) /rust/deps/indexmap-2.14.0/src/map.rs:>::get:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 161,804 ( 0.00%) ???:rustc_query_impl::query_impl::lookup_deprecation_entry::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 161,206 ( 0.00%) ???:::opt_rpitit_info [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 160,725 ( 0.00%) ???:rustc_middle::hir::map::crate_hash'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 160,707 ( 0.00%) ???: as rustc_ast::visit::Visitor>::visit_stmt::{closure#0} [???] 160,524 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/mod.rs:::meets 160,331 ( 0.00%) ???:rustc_ty_utils::implied_bounds::assumed_wf_types [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 160,278 ( 0.00%) ???:>>::walk_ref [???] 159,574 ( 0.00%) ???:>, alloc::vec::into_iter::IntoIter>>, rustc_trait_selection::traits::predicates_for_generics<::lookup_method_for_operator::{closure#1}, ::lookup_method_for_operator::{closure#2}>::{closure#0}> as core::iter::traits::iterator::Iterator>::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 159,499 ( 0.00%) ???:rustc_hir_analysis::check::wfcheck::check_where_clauses [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 159,397 ( 0.00%) ???:::late_bound_vars [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 159,395 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/returns/needless_return_with_question_mark.rs:clippy_lints::returns::needless_return_with_question_mark::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 159,315 ( 0.00%) ???:>::drop_slow [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 159,292 ( 0.00%) ???:core::ptr::drop_glue::]>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 158,784 ( 0.00%) ???:>::walk_mut [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 158,152 ( 0.00%) ???:::add_import::{closure#0} [???] 157,924 ( 0.00%) /rust/deps/hashbrown-0.17.1/src/set.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 157,728 ( 0.00%) include/jemalloc/internal/ph.h:ecache_evict 157,682 ( 0.00%) ???:::walk_::<::pat_error_reported::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 157,680 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mut_ptr.rs:>::insert 157,346 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, false> [???] 157,143 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_local [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 156,944 ( 0.00%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 156,938 ( 0.00%) ???:::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 156,855 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::visit_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 156,627 ( 0.00%) ???:::make_eqregion [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 156,468 ( 0.00%) ???:::try_find_coercion_lub [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 156,196 ( 0.00%) ???:::mirror_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 156,135 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint/src/context.rs:::check_expr 156,135 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/control_flow.rs:clippy_lints::operators::eq_op::check_assert 155,987 ( 0.00%) ???:::check_block [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 155,926 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 155,850 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::emit_lint_if_under_msrv 155,624 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_item [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 155,582 ( 0.00%) ???:, (rustc_middle::query::erase::ErasedData<[u8; 1]>, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<, (rustc_middle::query::erase::ErasedData<[u8; 1]>, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [???] 155,490 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/control_flow.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 155,288 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_nested_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 155,196 ( 0.00%) ???:rustc_hir_analysis::check::check::check_coroutine_obligations [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 155,038 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/hir.rs:clippy_utils::attrs::get_unique_builtin_attr:: 154,867 ( 0.00%) include/jemalloc/internal/cache_bin.h:free_default 154,820 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 154,111 ( 0.00%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 153,632 ( 0.00%) ???:::call_once_force::<>>::initialize<>>::get_or_init<::reverse_postorder::{closure#0}>::{closure#0}, !>::{closure#0}>::{closure#0}'2 [???] 153,553 ( 0.00%) ???:::eq [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 153,328 ( 0.00%) ???:::parse_fn [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 153,240 ( 0.00%) ???:::lower_qpath'2 [???] 153,023 ( 0.00%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::associated_item_def_ids [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 152,582 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:clippy_lints::loops::while_let_on_iterator::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 152,560 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/methods/mod.rs:::check_methods [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 152,515 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/pattern.rs:::check_fn 152,498 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 152,172 ( 0.00%) ???:rustc_traits::normalize_projection_ty::normalize_canonicalized_projection'2 [???] 152,057 ( 0.00%) ???:::convert_all [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 151,909 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::::renumber_regions::visit_ty::{closure#0}>::{closure#0}>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 151,620 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/needless_else.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 151,361 ( 0.00%) ???:>>::walk_ref [???] 151,164 ( 0.00%) ???:::pat_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 151,113 ( 0.00%) ???:::new_named_lifetime [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 150,834 ( 0.00%) ???:::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 150,833 ( 0.00%) ???:::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 150,762 ( 0.00%) ???:::node_type [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 150,453 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/redundant_field_names.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 150,345 ( 0.00%) ???:::demand_suptype_diag [???] 150,305 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_nested_item'2 [???] 150,267 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 149,807 ( 0.00%) ???:::lower_match_arms'2 [???] 149,759 ( 0.00%) ???:::visit_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 149,542 ( 0.00%) ???:::imported_source_file::{closure#0} [???] 148,617 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/almost_complete_range.rs:::check_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 148,070 ( 0.00%) ???:>>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 147,901 ( 0.00%) ???:::mk_poly_existential_predicates [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 147,326 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 147,306 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/structural_impls.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 147,143 ( 0.00%) ???:::parse_dot_suffix_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 147,138 ( 0.00%) include/jemalloc/internal/ph.h:eset_remove 146,741 ( 0.00%) ???:rustc_hir_analysis::check::wfcheck::lint_redundant_lifetimes [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 146,179 ( 0.00%) ???: as rustc_data_structures::flat_map_in_place::FlatMapInPlace>::flat_map_in_place::::{closure#0}, smallvec::SmallVec<[rustc_ast::ast::Stmt; 1]>> [???] 146,176 ( 0.00%) ???:::visit_local'2 [???] 146,122 ( 0.00%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 146,012 ( 0.00%) ???:::lower_attrs_vec [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 145,791 ( 0.00%) ???:::visit_nested_item'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 145,504 ( 0.00%) ???:::parse_param_general::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 145,208 ( 0.00%) ???:::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 144,949 ( 0.00%) ???:core::ptr::drop_glue::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 144,869 ( 0.00%) ???: as core::iter::traits::iterator::Iterator>::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 144,352 ( 0.00%) ???:::flat_map_stmt'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 144,292 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_pat:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 143,949 ( 0.00%) ???:::check_struct_pat_fields [???] 143,493 ( 0.00%) ???:core::ptr::drop_glue::> [???] 143,336 ( 0.00%) ???:::print_tt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 143,279 ( 0.00%) ???:::check_pat [???] 143,219 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_ty [???] 142,588 ( 0.00%) ???:::expect [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 142,281 ( 0.00%) ???:rustc_ast_pretty::pprust::path_to_string [???] 141,918 ( 0.00%) ???:::check_struct_path [???] 141,869 ( 0.00%) ???:::next_match [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 141,655 ( 0.00%) ???:::from_elem:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 141,411 ( 0.00%) ???:::mirror_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 140,873 ( 0.00%) include/jemalloc/internal/arena_inlines_b.h:free_default 140,654 ( 0.00%) ???:::lower_pat'2 [???] 140,640 ( 0.00%) include/jemalloc/internal/mutex.h:calloc 140,576 ( 0.00%) ???:rustc_hir::intravisit::walk_pat::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 140,480 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/cmp.rs:::visit_pat 140,012 ( 0.00%) ???:::parse_pat_tuple_struct [???] 139,808 ( 0.00%) ???:::par_items::::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 139,712 ( 0.00%) ???:rustc_hir_analysis::collect::resolve_bound_vars::is_late_bound_map [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 139,178 ( 0.00%) ???:rustc_hir_analysis::variance::crate_variances [???] 139,078 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>>>, rustc_middle::query::erase::ErasedData<[u8; 8]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 138,947 ( 0.00%) ???:rustc_hir::intravisit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 138,863 ( 0.00%) include/jemalloc/internal/tsd.h:pa_alloc 138,847 ( 0.00%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 138,526 ( 0.00%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 138,449 ( 0.00%) ???:::apply_inner::::apply_revealing_opaque<::ctors_for_ty::{closure#2}>::{closure#0}, ::ctors_for_ty::{closure#2}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 138,257 ( 0.00%) ???:, rustc_hash::FxBuildHasher> as core::iter::traits::collect::Extend<(rustc_span::symbol::Ident, rustc_hir::def::Res)>>::extend::, rustc_hash::FxBuildHasher>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 138,043 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_lints::unit_types::unit_cmp::check 137,794 ( 0.00%) ???:rustc_hir::intravisit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 137,794 ( 0.00%) ???:rustc_hir::intravisit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 137,787 ( 0.00%) ???:rustc_hir::intravisit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 137,663 ( 0.00%) ???:::subtype_predicate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 137,663 ( 0.00%) ???:::fmt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 137,627 ( 0.00%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 137,617 ( 0.00%) ???:rustc_passes::dead::live_symbols_and_ignored_derived_traits'2 [???] 137,540 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/pattern.rs:::trim_start_matches::<::is_whitespace> 137,367 ( 0.00%) ???:::token_kind_to_string_ext [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 137,280 ( 0.00%) ???:::new_local_module [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 137,054 ( 0.00%) ???:rustc_lint::impl_trait_overcaptures::check_fn [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 137,019 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::>'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 136,998 ( 0.00%) ???:::instantiate_opt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 136,849 ( 0.00%) ???:>::apply_constructor [???] 136,820 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lexer/src/lib.rs:::eq [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 136,791 ( 0.00%) ???:>::decode [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 135,806 ( 0.00%) ???:::parse_pat_no_top_guard_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 135,500 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::visit_pat 134,832 ( 0.00%) ???:::visit_stmt'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 134,738 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mut_ptr.rs:::check_attributes 134,502 ( 0.00%) ???:rustc_query_impl::query_impl::def_span::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 134,401 ( 0.00%) ???:>::node_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 134,292 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:rustc_hir::intravisit::walk_qpath:: 134,270 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint/src/context.rs:::check_attributes_post 133,663 ( 0.00%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 133,651 ( 0.00%) ???:::resolve_anonymous_lifetime [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 133,441 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_pat:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 133,252 ( 0.00%) ???:::next_ty_vid_in_universe [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 133,183 ( 0.00%) src/emap.c:pa_dalloc 133,087 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_block::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 132,955 ( 0.00%) ???:::obligations_for_self_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 132,931 ( 0.00%) ???:::iterate_to_fixpoint::{closure#1} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 132,786 ( 0.00%) ???:__rustc::__rust_alloc [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 132,722 ( 0.00%) ???:>::relate:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 132,710 ( 0.00%) ???:::typeck_root_def_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 132,670 ( 0.00%) ???:::check_def_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 132,358 ( 0.00%) ???:::add_drop_live_facts_for [???] 132,182 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 131,936 ( 0.00%) ???:::fork [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 131,906 ( 0.00%) ???:::hir_body [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 131,863 ( 0.00%) ???:::expr_ty_adjusted [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 131,769 ( 0.00%) ???:>::walk_pat::{closure#0} [???] 131,642 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 131,026 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint/src/levels.rs:::check_attributes 130,554 ( 0.00%) include/jemalloc/internal/tsd_tls.h:malloc_default 130,242 ( 0.00%) ???:::encode_crate_root'2 [???] 129,886 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 129,862 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_pat:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 129,848 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/unused_io_amount.rs:::check_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 129,537 ( 0.00%) ???:)>, rustc_middle::query::erase::ErasedData<[u8; 32]>> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 129,163 ( 0.00%) ???:::visit_generic_params [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 129,138 ( 0.00%) ???:rustc_hir::intravisit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 128,641 ( 0.00%) ???:::check_tokens'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 128,640 ( 0.00%) ???:::walk_::<::walk_always<::each_binding<::contains_explicit_ref_binding::{closure#0}>::{closure#0}>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 128,087 ( 0.00%) ???:::hygienic_eq [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 128,015 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::hash_expr'2 127,963 ( 0.00%) src/extent.c:pa_dalloc 127,795 ( 0.00%) include/jemalloc/internal/edata.h:calloc 127,620 ( 0.00%) /rust/deps/indexmap-2.14.0/src/map.rs:>::get_mut:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 127,269 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_pat:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 127,268 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_early_pass.rs:::check_variant [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 126,945 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::qpath 126,495 ( 0.00%) ???:rustc_span::hygiene::register_expn_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 126,389 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, rustc_middle::query::erase::ErasedData<[u8; 8]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 126,078 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 126,078 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 125,990 ( 0.00%) ???:::handle_res [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 125,868 ( 0.00%) ???:rustc_ty_utils::instance::resolve_instance_raw [???] 125,684 ( 0.00%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 125,474 ( 0.00%) ???:__cxa_atexit [/usr/lib/libc.so.6] 125,352 ( 0.00%) ???:::resolve_crate::{closure#0} [???] 125,334 ( 0.00%) ???:, rustc_middle::ty::assoc::AssocItem)>, , rustc_middle::ty::assoc::AssocItem>>::iter::{closure#0}>, ::in_definition_order::{closure#0}>, ::confirm_object_candidate::{closure#4}>, ::confirm_object_candidate::{closure#5}> as core::iter::traits::iterator::Iterator>::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 125,144 ( 0.00%) ???:::assemble_candidates_from_impls::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 125,024 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_path [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 124,592 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/misc_early/mod.rs:::check_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 124,272 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:clippy_utils::is_in_const_context 124,140 ( 0.00%) ???:::get_line [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 123,343 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 122,967 ( 0.00%) ???:::clone [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 122,654 ( 0.00%) include/jemalloc/internal/sz.h:eset_remove 122,562 ( 0.00%) ???:::def_path_hash [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 122,528 ( 0.00%) ???:::in_external_macro'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 122,489 ( 0.00%) ???:::as_packed [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 122,461 ( 0.00%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 122,339 ( 0.00%) ???:rustc_hir::intravisit::walk_pat::<::collect_taits_declared_in_body::TaitInBodyFinder> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 122,005 ( 0.00%) ???:::typing_env [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 121,814 ( 0.00%) ???:alloc::fmt::format::format_inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 121,704 ( 0.00%) ???:>::reserve_one_unchecked [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 121,494 ( 0.00%) ???:>::with_lint_attrs::< as rustc_ast::visit::Visitor>::visit_param::{closure#0}>::{closure#0} [???] 121,050 ( 0.00%) ???:rustc_query_impl::query_impl::associated_item::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 120,865 ( 0.00%) ???:rustc_hir::intravisit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 120,840 ( 0.00%) ???:<::any_free_region_meets::RegionVisitor<::for_each_free_region::visit_const_operand::{closure#0}>::{closure#0}> as rustc_type_ir::visit::TypeVisitor>::visit_region [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 120,766 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_type_ir::fold::TypeFoldable>::fold_with::>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 120,527 ( 0.00%) ???:::parse_constness_ [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 120,331 ( 0.00%) include/jemalloc/internal/edata.h:eset_remove 120,080 ( 0.00%) ???: as rustc_ast::visit::Visitor>::visit_pat'2 [???] 119,722 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/intrinsics/mod.rs:>::insert 119,711 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/../../stdarch/crates/core_arch/src/x86/sse2.rs:>::insert 119,339 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/types/mod.rs:::check_ty [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 119,296 ( 0.00%) ???:::finalize_import::{closure#2} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 119,092 ( 0.00%) ???:>::copy_op_no_validate:: [???] 118,635 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_stmt 118,398 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:clippy_lints::minmax::min_max 118,204 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 118,179 ( 0.00%) ???:::canonicalize_user_type_annotation:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 117,895 ( 0.00%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 117,877 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::dep_graph::graph::DepNodeIndex>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 117,722 ( 0.00%) ???:>::walk_mut [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 117,673 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_stmt::>'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 117,534 ( 0.00%) ???:::try_resolve [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 117,396 ( 0.00%) ???:rustc_lint::levels::shallow_lint_levels_on [???] 117,218 ( 0.00%) ???:::visit_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 117,218 ( 0.00%) ???:rustc_middle::thir::visit::walk_pat:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 117,162 ( 0.00%) ???:::lower [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 116,843 ( 0.00%) ???:>::decode [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 116,732 ( 0.00%) ???:::resolve_lifetime_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 116,585 ( 0.00%) ???: as rustc_type_ir::visit::TypeVisitor>::visit_ty [???] 116,460 ( 0.00%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 116,412 ( 0.00%) ???:>>::walk_ref'2 [???] 115,977 ( 0.00%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/extent.c:ecache_evict [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 115,540 ( 0.00%) ???: as core::clone::Clone>::clone::clone_non_singleton::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 115,200 ( 0.00%) ???:::parse_pat_ident_mut [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 114,300 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_ty:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 114,298 ( 0.00%) ???:>>>::get_or_insert_with::<>::ensure_row::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 114,233 ( 0.00%) ???:::assemble_closure_candidates [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 114,156 ( 0.00%) ???:::new [???] 113,801 ( 0.00%) ???:::parent_hir_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 113,744 ( 0.00%) ???:core::str::count::char_count_general_case [???] 113,582 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::'2 [???] 113,388 ( 0.00%) ???:::check_overloaded_binop [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 113,252 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_ty:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 113,194 ( 0.00%) ???:::resolve_expr [???] 113,079 ( 0.00%) ???:>::get_attrs [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 113,013 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 112,855 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/redundant_async_block.rs:clippy_lints::redundant_async_block::desugar_async_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 112,826 ( 0.00%) ???:::intern_const [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 112,723 ( 0.00%) ???:::walk::<::could_be_never_pattern::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 112,662 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/default.rs:::check_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 112,459 ( 0.00%) include/jemalloc/internal/edata.h:realloc 112,450 ( 0.00%) ???:rustc_query_impl::query_impl::explicit_clauses_of::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 112,013 ( 0.00%) ???:::par_hir_body_owners::::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 111,997 ( 0.00%) ???:::eof [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 111,628 ( 0.00%) ???:::walk::<::resolve_pattern_inner::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 111,613 ( 0.00%) ???:>::reserve_rehash::>::{closure#0}> [???] 111,424 ( 0.00%) ???:::visit_local_use [???] 111,313 ( 0.00%) src/pac.c:tcache_bin_flush_small 111,300 ( 0.00%) ???:rustc_query_impl::query_impl::clauses_of::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 111,098 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:::check_expr 110,768 ( 0.00%) ???:<[rustc_ast::tokenstream::TokenTree] as rustc_data_structures::stable_hash::StableHash>::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 110,764 ( 0.00%) ???:::resolve_block [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 110,760 ( 0.00%) ???:rustc_hir_analysis::collect::type_of::type_of::{closure#0}::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 110,636 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 110,530 ( 0.00%) ???:>::insert_from_slice [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 110,524 ( 0.00%) ???:>::cat_pattern::<>::walk_pat::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 110,433 ( 0.00%) include/jemalloc/internal/bit_util.h:tcache_bin_flush_small 110,252 ( 0.00%) ???:::opt_item_name:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 110,001 ( 0.00%) ???:rustc_expand::mbe::macro_rules::compile_declarative_macro [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 109,999 ( 0.00%) ???:rustc_hir_analysis::check::wfcheck::receiver_is_valid [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 109,814 ( 0.00%) ???:::parse_expr_force_collect [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 109,800 ( 0.00%) ???:::next'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 109,350 ( 0.00%) ???:> as rustc_middle::ty::codec::RefDecodable>::decode [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 108,890 ( 0.00%) ???:::type_is_copy_modulo_regions [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 108,793 ( 0.00%) ???:::walk_::<::walk_always<::lower_pattern::{closure#0}>::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 108,766 ( 0.00%) ???:::lower_fn_decl [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 108,501 ( 0.00%) ???:>::fold_predicate'2 [???] 108,388 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/option_env_unwrap.rs:::check_expr 107,879 ( 0.00%) ???:::break_for_else [???] 107,872 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::span_matches_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 107,688 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint/src/context.rs:::check_expr 107,546 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/higher.rs:::check_expr 107,544 ( 0.00%) ???:rustc_traits::dropck_outlives::adt_dtorck_constraint [???] 107,307 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 107,278 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_data_structures/src/sharded.rs:, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::get:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 107,260 ( 0.00%) ???: as rustc_type_ir::visit::TypeVisitor>::visit_ty'2 [???] 107,209 ( 0.00%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 107,071 ( 0.00%) ???:rustc_expand::mbe::macro_check::check_binders'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 107,016 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cmp.rs:::meets 106,848 ( 0.00%) ???:rustc_query_impl::query_impl::inferred_outlives_of::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 106,755 ( 0.00%) ???:> as rustc_type_ir::interner::CollectAndApply>::collect_and_apply::>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::structurally_relate_tys::{closure#0}::{closure#1}>, ::new_tup_from_iter>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::structurally_relate_tys::{closure#0}::{closure#1}>, core::result::Result>>::{closure#0}>'2 [???] 106,508 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint/src/context.rs:::check_expr 106,439 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_block [???] 106,382 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_block_post [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 105,945 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 105,944 ( 0.00%) ???:rustc_query_impl::query_impl::evaluate_obligation::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 105,767 ( 0.00%) ???:rustc_privacy::effective_visibilities'2 [???] 105,714 ( 0.00%) ???:::visit_def_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 105,504 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/def.rs:::check_expr 105,503 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::>>, rustc_middle::query::erase::ErasedData<[u8; 8]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 105,434 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 105,424 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/misc_early/redundant_pattern.rs:clippy_lints::misc_early::redundant_pattern::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 105,336 ( 0.00%) include/jemalloc/internal/jemalloc_internal_inlines_b.h:calloc 105,326 ( 0.00%) ???:::resolve_arm [???] 105,321 ( 0.00%) ???:llvm::cl::Option::Option(llvm::cl::NumOccurrencesFlag, llvm::cl::OptionHidden) [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/libLLVM.so.23.1-rust-1.99.0-nightly] 105,282 ( 0.00%) ???:::list_from_tokens [???] 105,058 ( 0.00%) ???:::visit_nested_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 104,916 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/higher.rs:::check_expr 104,904 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 104,824 ( 0.00%) ???:core::slice::sort::stable::quicksort::quicksort::<(rustc_infer::infer::region_constraints::leak_check::LeakCheckNode, rustc_infer::infer::region_constraints::leak_check::LeakCheckNode), <(rustc_infer::infer::region_constraints::leak_check::LeakCheckNode, rustc_infer::infer::region_constraints::leak_check::LeakCheckNode) as core::cmp::PartialOrd>::lt> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 104,765 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:::check_expr_post 104,732 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/needless_question_mark.rs:::check_expr 104,728 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/legacy_numeric_constants.rs:clippy_lints::legacy_numeric_constants::is_numeric_const [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 104,714 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/temporary_assignment.rs:::check_expr 104,701 ( 0.00%) ???:::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 104,639 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_block [???] 104,587 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::> [???] 104,536 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/disallowed_macros.rs:::check_path 104,516 ( 0.00%) ???:::write_import_resolutions::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 104,502 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/dereference.rs:::check_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 104,490 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 104,256 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/slow_vector_initialization.rs:::check_expr 104,236 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/mod.rs:::check_block 104,220 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 104,170 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/disallowed_fields.rs:::check_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 104,096 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint/src/context.rs:::check_expr 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs:::check_expr 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:::check_expr 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:::check_expr 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:::check_expr 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/fuse.rs:clippy_lints::operators::float_cmp::check_assert 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:clippy_lints::operators::float_cmp::check_assert 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 104,090 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/mod.rs:::check_expr_post 104,090 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/pointers_in_nomem_asm_block.rs:::check_expr 104,090 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_lints::operators::eq_op::check_assert 104,090 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_lints::operators::float_cmp::check_assert 104,086 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 104,043 ( 0.00%) ???:>::with_lint_attrs::< as rustc_ast::visit::Visitor>::visit_local::{closure#0}>::{closure#0}'2 [???] 103,708 ( 0.00%) ???:rustc_ty_walk::walk_types:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 103,509 ( 0.00%) ???:>::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 103,427 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:::visit_expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 103,395 ( 0.00%) ???:::flat_map_item'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 103,303 ( 0.00%) ???:::type_dependent_def [???] 103,272 ( 0.00%) ???:rustc_mir_build::check_unsafety::check_unsafety [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 103,212 ( 0.00%) ???:rustc_query_impl::query_impl::generics_of::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 103,207 ( 0.00%) ???:::check_expr_struct_fields [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 103,187 ( 0.00%) ???:::lower_fn_ty [???] 103,100 ( 0.00%) ???:>::fill_item::<>::extend_to<::confirm::{closure#0}>::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 102,935 ( 0.00%) ???:realpath [/usr/lib/libc.so.6] 102,888 ( 0.00%) ???:rustc_lint::levels::skippable_lints'2 [???] 102,436 ( 0.00%) ???:rustc_hir::intravisit::walk_ty::<::collect_taits_declared_in_body::TaitInBodyFinder> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 102,436 ( 0.00%) ???:rustc_hir::intravisit::walk_ty:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 102,273 ( 0.00%) ???:::maybe_new_source_scope [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 102,262 ( 0.00%) ???: as alloc::vec::spec_extend::SpecExtend>>::spec_extend [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 102,229 ( 0.00%) ???:>::relate::'2 [???] 102,219 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 102,193 ( 0.00%) ???:::brg_visit_item'2 [???] 102,099 ( 0.00%) ???:::apply_adjustments [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 101,950 ( 0.00%) include/jemalloc/internal/ph.h:realloc 101,924 ( 0.00%) ???:::walk::<::check_consistent_bindings::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 101,826 ( 0.00%) ???:::expr_ty_opt [???] 101,700 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/context.rs:::def_key:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 101,626 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, false>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 101,621 ( 0.00%) ???:::coerce [???] 101,429 ( 0.00%) ???:::create_def [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 101,219 ( 0.00%) ???:::analyze_closure [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 101,150 ( 0.00%) ???:::try_to_place [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 101,136 ( 0.00%) ???:rustc_query_impl::query_impl::type_of::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 100,807 ( 0.00%) ???:::as_lang_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 100,320 ( 0.00%) ???:rustc_query_impl::query_impl::type_op_prove_predicate::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 100,178 ( 0.00%) ???:::check_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 100,118 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/else_if_without_else.rs:::check_expr 99,883 ( 0.00%) ???:::check_ty [???] 99,814 ( 0.00%) ???: as rustc_type_ir::visit::TypeVisitor>::visit_ty'2 [???] 99,660 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cmp.rs:::with_source_text::::{closure#0}> 99,625 ( 0.00%) ???:::normalize:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 99,586 ( 0.00%) /rust/deps/hashbrown-0.17.1/src/map.rs:::check 99,520 ( 0.00%) ???:::walk_::<::is_never_pattern::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 99,511 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::check_stmt 99,451 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/unneeded_struct_pattern.rs:::check_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 99,230 ( 0.00%) ???:0x0000000000067b30 [/usr/lib/libc.so.6] 99,144 ( 0.00%) ???:>::super_fold_with:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 99,112 ( 0.00%) ???:::parse_item_impl [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 98,972 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:::with_source_text::::{closure#0}> 98,814 ( 0.00%) src/eset.c:tcache_bin_flush_small 98,565 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/misc.rs:::check_stmt [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 98,404 ( 0.00%) ???:>::normalize:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 98,064 ( 0.00%) ???:rustc_query_impl::query_impl::generics_of::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 98,047 ( 0.00%) ???:::adjust_steps [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 97,944 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/incompatible_msrv.rs:::check_ty 97,908 ( 0.00%) src/pac.c:pa_alloc 97,897 ( 0.00%) ???:::lower_use_tree [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 97,508 ( 0.00%) ???:::putc [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 97,474 ( 0.00%) ???:0x0000000000040520 [/usr/lib/libc.so.6] 97,338 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::visit_qpath 97,304 ( 0.00%) ???:rustc_ty_utils::layout::layout_of_uncached'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,909 ( 0.00%) ???:>::reserve_rehash::, rustc_infer::infer::region_constraints::leak_check::LeakCheckNode>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,803 ( 0.00%) ???:::new_with_implied_bounds_compat::>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,591 ( 0.00%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,499 ( 0.00%) ???:::anonymize_bound_vars::Anonymize> as rustc_type_ir::fold::TypeFolder>::fold_ty [???] 96,390 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs:clippy_lints::matches::rest_pat_in_fully_bound_struct::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 96,331 ( 0.00%) ???:::visit_item'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,286 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:clippy_utils::macros::first_node_in_macro:: 96,202 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,202 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,202 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,198 ( 0.00%) ???:core::ptr::drop_glue::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,024 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::)>, rustc_middle::query::erase::ErasedData<[u8; 32]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 96,011 ( 0.00%) ???:::record_scope_parent [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 95,881 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/manual_range_patterns.rs:::check_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 95,760 ( 0.00%) ???:rustc_ast::visit::visit_arms::> [???] 95,730 ( 0.00%) ???:>, rustc_middle::query::erase::ErasedData<[u8; 2]>> as rustc_middle::query::caches::QueryCache>::for_each [???] 95,677 ( 0.00%) src/sz.c:tcache_bin_flush_small 95,661 ( 0.00%) ???:::span_until_char [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 95,623 ( 0.00%) ???:::coerce'2 [???] 95,593 ( 0.00%) ???:::build_reduced_graph_for_use_tree'2 [???] 95,592 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/asm_syntax.rs:::check_expr 95,469 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 95,374 ( 0.00%) include/jemalloc/internal/atomic.h:pa_dalloc 95,297 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/take_while.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 95,221 ( 0.00%) ???:::visit_node:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 94,971 ( 0.00%) ???:::lower_param [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 94,639 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_expr::'2 94,407 ( 0.00%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::module_children [???] 94,370 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::qpath 94,298 ( 0.00%) ???:>::insert_full [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 94,185 ( 0.00%) ???:::visit_fn [???] 94,109 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_expr::::check::{closure#0}>>'2 94,045 ( 0.00%) ???:core::ptr::drop_glue::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 93,810 ( 0.00%) ???:rustc_hir::intravisit::walk_ty:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 93,810 ( 0.00%) ???:rustc_hir::intravisit::walk_ty:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 93,568 ( 0.00%) ???:>::fold_clauses [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 93,480 ( 0.00%) ???:rustc_hir::intravisit::walk_ty:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 93,098 ( 0.00%) ???:::fmt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 92,942 ( 0.00%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::diagnostic_items [???] 92,925 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/validations.rs:::visit_pat 92,738 ( 0.00%) ???:rustc_query_impl::query_impl::impl_trait_header::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 92,575 ( 0.00%) ???:::check_attributes [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 92,525 ( 0.00%) ???:::cmp [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 92,293 ( 0.00%) ???:>::borrow_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 92,276 ( 0.00%) ???:core::ptr::drop_glue:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 92,121 ( 0.00%) ???:::visit_assoc_item [???] 91,422 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs:::check_fn [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 91,386 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/filter.rs:clippy_utils::in_automatically_derived 91,091 ( 0.00%) ???:::visit_impl_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 90,997 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/unnested_or_patterns.rs:clippy_lints::unnested_or_patterns::lint_unnested_or_patterns [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 90,924 ( 0.00%) ???:rustc_data_structures::graph::dominators::eval [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 90,875 ( 0.00%) ???:rustc_type_ir::elaborate::elaborate:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 90,724 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::dep_graph::graph::DepNodeIndex>, false> [???] 90,658 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/needless_borrowed_ref.rs:::check_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 90,368 ( 0.00%) ???:::mk_adt_def [???] 90,298 ( 0.00%) ???:::assemble_candidates_from_auto_impls::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 90,110 ( 0.00%) ???:::anonymize_bound_vars::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 90,106 ( 0.00%) ???:::require_type_is_sized [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 89,909 ( 0.00%) ???:::apply_switch_int_edge_effect [???] 89,694 ( 0.00%) ???:>::consts::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 89,216 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/uninit_vec.rs:::check_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 88,971 ( 0.00%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/eset.c:eset_remove [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 88,777 ( 0.00%) ???:, rustc_middle::query::erase::ErasedData<[u8; 16]>> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 88,662 ( 0.00%) include/jemalloc/internal/ticker.h:calloc 88,656 ( 0.00%) ???:rustc_hir_analysis::collect::type_of::type_of [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 88,276 ( 0.00%) ???:::visit_ty [???] 88,007 ( 0.00%) ???:::check_tokens [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 87,832 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_data_structures/src/sync/lock.rs:>::with::<::with::is_descendant_of::{closure#0}>::{closure#0}, bool> 87,756 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 87,573 ( 0.00%) ???:::check_fn_for_external_abi_fnptr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 87,558 ( 0.00%) ???:>, (), rustc_hash::FxBuildHasher>>::insert [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 87,476 ( 0.00%) ???:rustc_ast::visit::visit_items::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 87,329 ( 0.00%) ???:::run_pass [???] 87,214 ( 0.00%) ???:::node_args [???] 87,000 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:clippy_utils::macros::first_node_in_macro:: 86,894 ( 0.00%) ???: as core::clone::Clone>::clone::clone_non_singleton::>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 86,892 ( 0.00%) ???:::hir_get_parent_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 86,853 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::dep_graph::graph::DepNodeIndex>, false>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 86,724 ( 0.00%) ???:>::fold_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 86,616 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/misc_early/unneeded_field_pattern.rs:clippy_lints::misc_early::unneeded_field_pattern::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 86,606 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_nested_body [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 86,574 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 86,551 ( 0.00%) ???:::visit_fn'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 86,465 ( 0.00%) ???:>::univariant::> [???] 86,403 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs:::check_fn 86,320 ( 0.00%) ???:::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 86,109 ( 0.00%) ???:<&rustc_middle::ty::list::RawList as rustc_data_structures::stable_hash::StableHash>::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 85,817 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs: as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::find_map::check<(rustc_span::hygiene::ExpnId, rustc_span::hygiene::ExpnData), clippy_utils::macros::MacroCall, &mut clippy_utils::macros::macro_backtrace::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 85,791 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/redundant_locals.rs:::check_local [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 85,477 ( 0.00%) ???:::require_sized [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 85,361 ( 0.00%) ???:thin_vec::drop_non_singleton:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 84,894 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_block::>'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 84,892 ( 0.00%) ???:::mk_bound_variable_kinds [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 84,854 ( 0.00%) ???:::print_tts [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 84,779 ( 0.00%) ???:core::slice::sort::stable::drift::sort::<(rustc_mir_build::builder::scope::DropIdx, rustc_middle::mir::BasicBlock), <(rustc_mir_build::builder::scope::DropIdx, rustc_middle::mir::BasicBlock) as core::cmp::PartialOrd>::lt> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 84,689 ( 0.00%) ???:rustc_passes::dead::check_mod_deathness [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 84,510 ( 0.00%) ???:::flat_map_arm [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 84,117 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [???] 84,052 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cmp.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 84,052 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/filter_map.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 84,052 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/filter_map.rs:, clippy_utils::macros::first_node_macro_backtrace::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, as core::iter::traits::iterator::Iterator>::try_fold::flatten, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> 83,953 ( 0.00%) ???:::register_obligation [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 83,942 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:clippy_lints::unit_types::unit_cmp::check 83,912 ( 0.00%) ???:rustc_borrowck::mir_borrowck [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 83,894 ( 0.00%) ???:::is_automatically_derived [???] 83,866 ( 0.00%) ???:::parse_visibility [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 83,690 ( 0.00%) ???:::clone [???] 83,472 ( 0.00%) ???:>::drop_slow [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 83,395 ( 0.00%) ???:::lower_method_sig [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 83,350 ( 0.00%) ???:rustc_hir::intravisit::walk_pat::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 83,291 ( 0.00%) ???:rustc_ty_utils::opaque_types::opaque_types_defined_by [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 83,235 ( 0.00%) ???:rustc_ty_utils::layout::layout_of_uncached [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 83,101 ( 0.00%) ???:>::fill_item::<::xform_method_sig::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 82,992 ( 0.00%) ???:::is_lang_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 82,815 ( 0.00%) ???:::prepare_to_combine [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 82,758 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:clippy_utils::macros::first_node_in_macro:: 82,458 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 82,387 ( 0.00%) ???:::check_bound_universal_region [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 82,007 ( 0.00%) ???:core::ptr::drop_glue::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 81,990 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/methods/unnecessary_to_owned.rs:clippy_lints::methods::unnecessary_to_owned::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 81,971 ( 0.00%) ???:::check_lint_name [???] 81,710 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/cognitive_complexity.rs:rustc_hir::intravisit::walk_stmt::::check::{closure#0}>>'2 81,553 ( 0.00%) ???:>>::walk_ref [???] 81,523 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/visitors.rs:rustc_hir::intravisit::walk_stmt::>'2 81,516 ( 0.00%) ???:>::walk::::{closure#0}::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 81,400 ( 0.00%) ???:rustc_query_impl::query_impl::implementations_of_trait::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 81,359 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 81,247 ( 0.00%) ???:::ident [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 81,168 ( 0.00%) src/bitmap.c:malloc_default 81,087 ( 0.00%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::codegen_fn_attrs [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 80,879 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [???] 80,835 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_early_pass.rs:::check_ident [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 80,815 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:clippy_utils::attrs::get_unique_builtin_attr:: 80,794 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_expr_use_site [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 80,688 ( 0.00%) ???:rustc_hir::intravisit::walk_pat::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 80,647 ( 0.00%) ???:::expect_variant_res [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 80,588 ( 0.00%) ???:::write_method_call_and_enforce_effects [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 80,424 ( 0.00%) ???:::require_lang_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 80,421 ( 0.00%) ???:::find_library_crate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 80,306 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_ty:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 80,085 ( 0.00%) ???:rustc_mir_transform::run_analysis_to_runtime_passes'2 [???] 80,065 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 79,893 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 79,873 ( 0.00%) /rust/deps/hashbrown-0.17.1/src/control/bitmask.rs:>::insert 79,870 ( 0.00%) ???:::create_def [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 79,772 ( 0.00%) ???:rustc_trait_selection::traits::query::type_op::ascribe_user_type::type_op_ascribe_user_type_with_span [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 79,737 ( 0.00%) ???:::visit_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 79,564 ( 0.00%) include/jemalloc/internal/extent.h:tcache_bin_flush_small 79,506 ( 0.00%) ???:rustc_expand::mbe::macro_check::check_ops_is_prefix [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 79,488 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:>::insert 79,472 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/num/uint_macros.rs:>::insert 79,464 ( 0.00%) ???:>>::upcast_from [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 79,401 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 79,293 ( 0.00%) ???:>::next [???] 79,251 ( 0.00%) ???: as rustc_data_structures::flat_map_in_place::FlatMapInPlace>::flat_map_in_place::::{closure#0}, smallvec::SmallVec<[rustc_ast::ast::Arm; 1]>> [???] 79,152 ( 0.00%) ???:rustc_query_impl::query_impl::def_span::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 79,045 ( 0.00%) ???:>::destroy [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 78,903 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/unconditional_recursion.rs:::init_default_impl_for_type_if_needed [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 78,830 ( 0.00%) ???:::visit_expr'2 [???] 78,814 ( 0.00%) ???:llvm::PassRegistry::registerPass(llvm::PassInfo const&, bool) [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/libLLVM.so.23.1-rust-1.99.0-nightly] 78,715 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:clippy_lints::operators::float_cmp::check_assert 78,587 ( 0.00%) ???:llvm::cl::ParseCommandLineOptions(int, char const* const*, llvm::StringRef, llvm::raw_ostream*, llvm::vfs::FileSystem*, char const*, bool) [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/libLLVM.so.23.1-rust-1.99.0-nightly] 78,540 ( 0.00%) ???:rustc_query_impl::query_impl::def_kind::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 78,411 ( 0.00%) ???:::sub_concrete_regions [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 78,349 ( 0.00%) ???:>::insert [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 78,098 ( 0.00%) ???:::check_expr_with_expectation_and_args [???] 78,012 ( 0.00%) ???:::visit_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 77,957 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, rustc_middle::query::erase::ErasedData<[u8; 32]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 77,873 ( 0.00%) ???:>::map_pending_obligations::, as rustc_infer::traits::engine::TraitEngine>::pending_obligations::{closure#0}, thin_vec::ThinVec>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 77,842 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:clippy_utils::attrs::get_unique_builtin_attr:: 77,779 ( 0.00%) ???:::finish_grow [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 77,639 ( 0.00%) src/emap.c:ecache_evict 77,519 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/alloc.rs:clippy_utils::attrs::get_unique_builtin_attr:: 77,440 ( 0.00%) ???:::check_crate'2 [???] 77,193 ( 0.00%) ???:::lookup_source_file [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 77,064 ( 0.00%) ???:::parse_pat_tuple_or_parens [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 77,049 ( 0.00%) ???:> as rustc_middle::query::caches::QueryCache>::for_each [???] 77,012 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 76,956 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::init_default_impl_for_type_if_needed 76,778 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 76,733 ( 0.00%) ???:>::register_bound [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 76,728 ( 0.00%) ???:::placeholder_region [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 76,451 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::::instantiate_binder_with_fresh_vars::ToFreshVars>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 76,284 ( 0.00%) ???:::visit_item'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 76,256 ( 0.00%) ???:::resolve_doc_links [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 76,170 ( 0.00%) include/jemalloc/internal/extent.h:pa_dalloc 76,088 ( 0.00%) ???: as core::iter::traits::iterator::Iterator>::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 76,022 ( 0.00%) ???:<&mut serde_json::ser::Serializer<&mut alloc::boxed::Box> as serde_core::ser::Serializer>::serialize_str [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 75,945 ( 0.00%) ???:>::cat_projection [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 75,893 ( 0.00%) ???:::visit_item'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 75,892 ( 0.00%) ???:::compute_object_lifetime_defaults [???] 75,882 ( 0.00%) ???:::lower_resolved_ty_path [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 75,832 ( 0.00%) ???:::call_once_force::<>>::initialize<>>::get_or_init<::dominators::{closure#0}>::{closure#0}, !>::{closure#0}>::{closure#0}'2 [???] 75,553 ( 0.00%) ???:::then_else_break_inner'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 75,396 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 75,387 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::>>>, rustc_middle::query::erase::ErasedData<[u8; 8]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 75,242 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::, rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 75,229 ( 0.00%) ???:::check_expr_tuple [???] 75,043 ( 0.00%) ???:::mk_layout [???] 74,997 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::trim_start_matches::<::is_whitespace> 74,904 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:::check_expr 74,796 ( 0.00%) ???:>::instantiate_cold::<::instantiate_canonical>::{closure#1}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 74,495 ( 0.00%) ???:rustc_mir_build::builder::matches::traverse_candidate::<&mut rustc_mir_build::builder::matches::Candidate, (), core::iter::adapters::rev::Rev>, ::visit_leaves_rev<::lower_match_tree::{closure#1}>::{closure#0}, ::visit_leaves_rev<::lower_match_tree::{closure#1}>::{closure#1}, ::visit_leaves_rev<::lower_match_tree::{closure#1}>::{closure#2}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 74,210 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_expr::'2 74,202 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::has_let_expr [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 74,040 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::::renumber_regions::visit_const_operand::{closure#0}>::{closure#0}>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 73,687 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_type_ir::canonical::CanonicalVarKind> as rustc_data_structures::stable_hash::StableHash>::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 73,593 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:::finish_grow [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 73,384 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs: as alloc::vec::spec_from_iter_nested::SpecFromIterNested<(rustc_span::span_encoding::Span, alloc::string::String), core::iter::adapters::filter_map::FilterMap, clippy_lints::doc::suspicious_doc_comments::collect_doc_replacements::{closure#0}>>>::from_iter 73,325 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_qpath:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 73,148 ( 0.00%) ???:rustc_query_impl::query_impl::hir_owner::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 73,124 ( 0.00%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 72,993 ( 0.00%) ???:::lower_pat_tuple [???] 72,827 ( 0.00%) ???:rustc_passes::diagnostic_items::all_diagnostic_items [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 72,814 ( 0.00%) ???:rustc_hir_analysis::check::region::resolve_local::record_rvalue_scope_if_borrow_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 72,720 ( 0.00%) src/tcache.c:calloc 72,698 ( 0.00%) ???:memchr::arch::x86_64::memchr::memchr_raw::find_avx2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 72,650 ( 0.00%) ???:core::ptr::drop_glue::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 72,533 ( 0.00%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::fn_sig [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 72,383 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, false>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 72,332 ( 0.00%) ???:>::fill_item::<>::identity_for_item::{closure#0}> [???] 72,308 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/visitors.rs:rustc_hir::intravisit::walk_expr::::check::{closure#0}>>'2 72,198 ( 0.00%) ???:rustc_query_impl::query_impl::lookup_stability::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 72,194 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_ty:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 72,183 ( 0.00%) ???:rustc_expand::mbe::quoted::parse [???] 71,979 ( 0.00%) ???:::visit_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 71,934 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:clippy_utils::attrs::parse_attrs::<::pop_attrs::{closure#0}, rustc_hir::hir::Attribute> 71,880 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/almost_complete_range.rs:::check_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 71,880 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_early_pass.rs:::check_pat [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 71,799 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased::> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 71,692 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/res.rs:clippy_utils::res::MaybeQPath::res::f [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 71,661 ( 0.00%) ???:::new'2 [???] 71,592 ( 0.00%) ???:>::fold_const [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 71,585 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_data_structures::stable_hash::StableHash>::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 71,577 ( 0.00%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/extent.c:ecache_alloc [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 71,347 ( 0.00%) ???:::visit_stmt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 71,344 ( 0.00%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 71,298 ( 0.00%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/pa.c:pa_dalloc [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 71,260 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::fn_def_id [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 71,242 ( 0.00%) ???:::in_any_value_of_ty [???] 71,231 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:clippy_utils::attrs::parse_attrs::<::push_attrs::{closure#0}, rustc_hir::hir::Attribute> 71,178 ( 0.00%) ???:>::grow [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 71,162 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::hash_expr'2 71,149 ( 0.00%) include/jemalloc/internal/sz.h:large_ralloc 70,734 ( 0.00%) ???:::parent_module [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 70,579 ( 0.00%) ???:>>>::complete::>, rustc_middle::query::erase::ErasedData<[u8; 32]>>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 70,574 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/consts.rs:::hash_expr'2 70,443 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 70,375 ( 0.00%) ???:rustc_attr_parsing::context::ATTRIBUTE_PARSERS::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 70,349 ( 0.00%) ???:::walk_::<::walk_always<::check_local::{closure#0}>::{closure#0}> [???] 70,323 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:clippy_utils::msrvs::check_attrs:: 70,320 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/macros.rs:::check_expr 70,119 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::expr 70,022 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/redundant_closure_call.rs:::check_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 69,855 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 69,477 ( 0.00%) ???:::inhabited_predicate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 69,312 ( 0.00%) ???:rustc_query_impl::query_impl::param_env::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 69,072 ( 0.00%) ???: as rustc_data_structures::flat_map_in_place::FlatMapInPlace>::flat_map_in_place::::{closure#0}, smallvec::SmallVec<[rustc_ast::ast::Stmt; 1]>>'2 [???] 68,964 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 68,897 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::check_attributes 68,884 ( 0.00%) ???:::parent_module_from_def_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 68,838 ( 0.00%) ???:, ::candidate_from_obligation_no_cache::{closure#1}>, core::option::Option>, , rustc_middle::traits::SelectionError>>::transpose>, core::result::Result> as core::iter::traits::iterator::Iterator>::next [???] 68,815 ( 0.00%) ???: as rustc_hir::intravisit::Visitor>::visit_nested_body [???] 68,660 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 68,539 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/const_ptr.rs:::trim_matches::<::is_whitespace> 68,539 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mut_ptr.rs:::trim_matches::<::is_whitespace> 68,539 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/traits.rs:::trim_matches::<::is_whitespace> 68,502 ( 0.00%) ???: as rustc_infer::traits::engine::TraitEngine>::evaluate_obligations_error_on_ambiguity [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 68,378 ( 0.00%) ???:>::relate:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 68,313 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::check_attributes 68,157 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::), rustc_middle::query::erase::ErasedData<[u8; 16]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 68,087 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:clippy_utils::attrs::parse_attrs::<::push_attrs::{closure#0}, rustc_hir::hir::Attribute> 68,039 ( 0.00%) ???:::parse_block [???] 67,878 ( 0.00%) ???:rustc_hir::intravisit::walk_qpath:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 67,789 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_stmt 67,611 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs: as alloc::vec::spec_from_iter_nested::SpecFromIterNested<(rustc_span::span_encoding::Span, alloc::string::String), core::iter::adapters::filter_map::FilterMap, clippy_lints::doc::suspicious_doc_comments::collect_doc_replacements::{closure#0}>>>::from_iter 67,611 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:clippy_utils::attrs::parse_attrs::<::pop_attrs::{closure#0}, rustc_hir::hir::Attribute> 67,597 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/const_ptr.rs:::check_attributes 67,215 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/validations.rs:::check_attributes 67,162 ( 0.00%) ???:::visit_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 67,142 ( 0.00%) ???:::flat_map_item'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 67,135 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:clippy_lints::doc::suspicious_doc_comments::check 67,135 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/spec_from_iter.rs:clippy_lints::doc::suspicious_doc_comments::check 67,135 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:clippy_lints::doc::suspicious_doc_comments::check 67,021 ( 0.00%) ???:::feed_visibility [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 66,980 ( 0.00%) ???:::lower_arm [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 66,912 ( 0.00%) ???:rustc_traits::type_op::type_op_ascribe_user_type [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 66,909 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:rustc_hir::intravisit::walk_expr::'2 66,883 ( 0.00%) ???:::maybe_resolve_crate'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 66,778 ( 0.00%) ???:<&mut core::iter::adapters::map::map_fold<&(&str, rustc_target::target_features::Stability, &[&str]), (&str, rustc_target::target_features::Stability, &[&str]), (), <(&str, rustc_target::target_features::Stability, &[&str]) as core::clone::Clone>::clone, core::iter::adapters::map::map_fold<(&str, rustc_target::target_features::Stability, &[&str]), (&str, rustc_target::target_features::Stability), (), rustc_target::target_features::all_rust_features::{closure#0}, core::iter::adapters::filter::filter_fold<(&str, rustc_target::target_features::Stability), (), ::fill_well_known::{closure#3}, core::iter::adapters::map::map_fold<(&str, rustc_target::target_features::Stability), &str, (), ::fill_well_known::{closure#4}, &mut core::iter::adapters::map::map_fold<&str, rustc_span::symbol::Symbol, (), ::intern, core::iter::adapters::map::map_fold, (), core::option::Option::Some, core::iter::adapters::map::map_fold, (core::option::Option, ()), (), , rustc_hash::FxBuildHasher> as core::iter::traits::collect::Extend>>::extend, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>>, rustc_target::target_features::all_rust_features::{closure#0}>, ::fill_well_known::{closure#3}>, ::fill_well_known::{closure#4}>, core::iter::adapters::cloned::Cloned>>, ::intern>, core::option::Option::Some>>::{closure#0}, core::iter::traits::iterator::Iterator::for_each::call<(core::option::Option, ()), , (), rustc_hash::FxBuildHasher> as core::iter::traits::collect::Extend<(core::option::Option, ())>>::extend, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>>, rustc_target::target_features::all_rust_features::{closure#0}>, ::fill_well_known::{closure#3}>, ::fill_well_known::{closure#4}>, core::iter::adapters::cloned::Cloned>>, ::intern>, core::option::Option::Some>, , rustc_hash::FxBuildHasher> as core::iter::traits::collect::Extend>>::extend, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>, core::slice::iter::Iter<(&str, rustc_target::target_features::Stability, &[&str])>>>, rustc_target::target_features::all_rust_features::{closure#0}>, ::fill_well_known::{closure#3}>, ::fill_well_known::{closure#4}>, core::iter::adapters::cloned::Cloned>>, ::intern>, core::option::Option::Some>>::{closure#0}>>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0} as core::ops::function::FnMut<((), &(&str, rustc_target::target_features::Stability, &[&str]))>>::call_mut [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 66,687 ( 0.00%) include/jemalloc/internal/rtree.h:ecache_alloc 66,681 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_expr::'2 66,629 ( 0.00%) ???:::walk_::<::necessary_variants::{closure#0}> [???] 66,570 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 66,464 ( 0.00%) ???:::as_str [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 66,235 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:rustc_hir::intravisit::walk_expr::'2 66,155 ( 0.00%) ???:::reduce_and [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 66,118 ( 0.00%) ???:::lower_path_segment [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 66,072 ( 0.00%) ???:::visit_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 65,956 ( 0.00%) ???:::parse_match_block [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 65,891 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_attributes 65,891 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_attributes 65,802 ( 0.00%) ???:::filter_map_expr'2 [???] 65,740 ( 0.00%) ???: as rustc_ast::visit::Visitor>::visit_item [???] 65,513 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:clippy_utils::msrvs::check_attrs:: 65,421 ( 0.00%) ???:::match_candidates [???] 65,392 ( 0.00%) ???: as core::clone::Clone>::clone::clone_non_singleton:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 65,295 ( 0.00%) ???:rustc_target::spec::add_link_args [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 65,200 ( 0.00%) ???:)>>::reserve_rehash::, rustc_hash::FxBuildHasher>::{closure#0}> [???] 65,169 ( 0.00%) ???:rustc_hir_analysis::check_crate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 65,117 ( 0.00%) ???:rustc_interface::passes::emit_delayed_lints [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 64,863 ( 0.00%) include/jemalloc/internal/atomic.h:ecache_evict 64,847 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::>, rustc_middle::query::erase::ErasedData<[u8; 8]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 64,500 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_qpath::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 64,400 ( 0.00%) ???:rustc_query_impl::query_impl::check_tail_calls::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 64,349 ( 0.00%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/large.c:large_ralloc [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 64,349 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/mut_key.rs:::check_ty_ [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 64,213 ( 0.00%) ???:rustc_hir_analysis::check::region::resolve_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 64,177 ( 0.00%) ???:rustc_expand::mbe::macro_check::check_nested_occurrences'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 64,155 ( 0.00%) ???:::get_diagnostic_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 64,073 ( 0.00%) ???:core::ptr::drop_glue::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 64,013 ( 0.00%) ???:core::ptr::drop_glue::>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 63,951 ( 0.00%) ???:::new [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 63,896 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/def.rs:::check_expr 63,808 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 63,799 ( 0.00%) ???:::check_expr_if [???] 63,728 ( 0.00%) ???:::is_multiline [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 63,698 ( 0.00%) ???: as rustc_type_ir::interner::CollectAndApply, &rustc_middle::ty::list::RawList<(), rustc_type_ir::binder::BoundVariableKind>>>::collect_and_apply::>, ::mk_bound_variable_kinds_from_iter>, rustc_type_ir::binder::BoundVariableKind>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 63,479 ( 0.00%) ???:::lower_format_args'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 63,430 ( 0.00%) ???: as core::io::write::Write>::write_all [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 63,253 ( 0.00%) ???:::parse_expr_paren_seq'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 63,153 ( 0.00%) ???:::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 63,058 ( 0.00%) ???:core::slice::sort::shared::smallsort::bidirectional_merge::::sort_by_key<&core::option::Option, , rustc_middle::ty::assoc::AssocItem> as core::iter::traits::collect::FromIterator<(core::option::Option, rustc_middle::ty::assoc::AssocItem)>>::from_iter, rustc_ty_utils::assoc::associated_items::{closure#0}>, ::new, rustc_ty_utils::assoc::associated_items::{closure#0}>>::{closure#0}>>::{closure#0}>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,922 ( 0.00%) include/jemalloc/internal/tsd.h:free_default 62,873 ( 0.00%) ???: as rustc_ast::visit::Visitor>::visit_arm::{closure#0} [???] 62,850 ( 0.00%) ???:::visit_node::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,706 ( 0.00%) ???:::parse_path_segment'2 [???] 62,681 ( 0.00%) ???:rustc_query_impl::query_impl::sanitizer_settings_for::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,488 ( 0.00%) ???:rustc_query_impl::query_impl::visibility::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,485 ( 0.00%) ???:::set_bindings_effective_visibilities [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,477 ( 0.00%) ???:::multi_projection_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,376 ( 0.00%) ???:>::reserve_rehash::>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,360 ( 0.00%) ???:::parse_line [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,288 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/vec_init_then_push.rs:::check_local [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 62,272 ( 0.00%) ???:::hir_owner_parent'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,267 ( 0.00%) ???:>::reserve_rehash::, rustc_type_ir::region_kind::RegionVid>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,167 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 62,145 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_expr:: 62,141 ( 0.00%) ???:>, bool), (rustc_middle::query::erase::ErasedData<[u8; 8]>, rustc_middle::dep_graph::graph::DepNodeIndex))>>::reserve_rehash::<>, bool), (rustc_middle::query::erase::ErasedData<[u8; 8]>, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::insert_unique::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 61,954 ( 0.00%) ???:>::cat_expr_unadjusted'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 61,809 ( 0.00%) ???:::check_if_path_or_subpath_is_moved [???] 61,767 ( 0.00%) ???:> as rustc_type_ir::interner::CollectAndApply>::collect_and_apply::>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::structurally_relate_tys::{closure#0}::{closure#1}>, ::new_tup_from_iter>, core::iter::adapters::copied::Copied>>, rustc_type_ir::relate::structurally_relate_tys::{closure#0}::{closure#1}>, core::result::Result>>::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 61,693 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::'2 [???] 61,674 ( 0.00%) ???:::instantiate_opt'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 61,637 ( 0.00%) ???: as rustc_type_ir::visit::TypeVisitor>::visit_ty [???] 61,548 ( 0.00%) ???:>::reserve_rehash::>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 61,530 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/chain.rs:, core::iter::sources::from_fn::FromFn> as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::find_map::check<(rustc_span::hygiene::ExpnId, rustc_span::hygiene::ExpnData), rustc_span::def_id::DefId, clippy_utils::macros::expn_is_local::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 61,380 ( 0.00%) include/jemalloc/internal/tsd_tls.h:free_default 61,343 ( 0.00%) ???:::normalize:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 61,319 ( 0.00%) ???:>::reserve_rehash::, ()>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 61,285 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/res.rs:::check_expr 61,233 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:rustc_hir::intravisit::walk_expr::::check::{closure#0}>>'2 61,197 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 61,074 ( 0.00%) ???:::generalize [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 60,865 ( 0.00%) ???:>::walk_block'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 60,840 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/manual_clamp.rs:::check_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 60,831 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cmp.rs:::visit_pat 60,822 ( 0.00%) ???:::new [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 60,723 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 60,717 ( 0.00%) ???:>::insert [???] 60,647 ( 0.00%) ???:::visit_item'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 60,425 ( 0.00%) ???:::process_collected_capture_information [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 60,235 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:rustc_hir::intravisit::walk_qpath:: 60,108 ( 0.00%) ???:::visit_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 60,032 ( 0.00%) ???:>::with_capacity_in [???] 60,025 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::::renumber_regions<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg>, ::visit_args::{closure#0}>::{closure#0}>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 60,014 ( 0.00%) ???:rustc_hir_analysis::check::compare_impl_item::compare_impl_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 59,917 ( 0.00%) include/jemalloc/internal/mutex.h:pa_dalloc 59,619 ( 0.00%) ???:::{closure#0}> as core::iter::traits::iterator::Iterator>::next [???] 59,448 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_expr::>'2 59,390 ( 0.00%) ???:::lower_attrs_with_extra [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 59,306 ( 0.00%) ???:thin_vec::drop_non_singleton:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 59,070 ( 0.00%) ???:::normalize:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 59,045 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 58,996 ( 0.00%) ???:::flat_map_item'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 58,886 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_type_ir::fold::TypeFoldable>::fold_with:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 58,722 ( 0.00%) ???:rustc_query_impl::query_impl::defaultness::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 58,696 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_block 58,684 ( 0.00%) ???:::write_char [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 58,594 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/manual_hash_one.rs:::check_local [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 58,525 ( 0.00%) ???:::adjust_ident [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 58,519 ( 0.00%) ???:> as rustc_serialize::serialize::Decodable>::decode [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 58,496 ( 0.00%) ???:>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 58,492 ( 0.00%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 58,416 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/reserve_after_initialization.rs:::check_local [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 58,206 ( 0.00%) ???:>, rustc_middle::query::erase::ErasedData<[u8; 8]>> as rustc_middle::query::caches::QueryCache>::for_each [???] 58,156 ( 0.00%) ???:::visit_item'2 [???] 58,064 ( 0.00%) ???:::insert [???] 57,972 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:rustc_hir::intravisit::walk_qpath:: 57,918 ( 0.00%) ???: as rustc_ast::visit::Visitor>::visit_item'2 [???] 57,918 ( 0.00%) ???:rustc_ast::visit::walk_fn::> [???] 57,855 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,756 ( 0.00%) ???:::hash::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,728 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>>, rustc_middle::query::erase::ErasedData<[u8; 8]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,720 ( 0.00%) ???:rustc_trait_selection::traits::normalize::normalize_with_depth_to::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,617 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/num/uint_macros.rs:::hash_expr'2 57,615 ( 0.00%) ???:>::reserve::do_reserve_and_handle:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,508 ( 0.00%) ???:::fn_trait_kind_from_def_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,501 ( 0.00%) ???:::walk_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,481 ( 0.00%) ???:::visit_ty [???] 57,383 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_expr 57,222 ( 0.00%) ???:, rustc_middle::dep_graph::graph::DepNodeIndex> as rustc_middle::query::caches::QueryCache>::for_each [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,126 ( 0.00%) ???:::typeck_root_def_id_local [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,122 ( 0.00%) ???:::visit_ty'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,087 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_ty:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 57,067 ( 0.00%) ???:::normalize:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 57,000 ( 0.00%) ???:::add_wf_preds_for_trait_pred [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 56,868 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::get_source_range [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 56,846 ( 0.00%) ???:::instantiate_identity_into'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 56,816 ( 0.00%) ???:::check_expr_if'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 56,712 ( 0.00%) ???:::qpath_lang_item [???] 56,516 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_expr 56,449 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/formatting.rs:::check_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 56,421 ( 0.00%) ???:::instantiate_canonical::> [???] 56,400 ( 0.00%) ???:>::eval_rvalue_into_place [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 56,315 ( 0.00%) ???: as alloc::vec::spec_from_iter_nested::SpecFromIterNested>>::from_iter [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 56,313 ( 0.00%) ???:::collect_tokens_no_attrs::::parse_attribute::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 56,283 ( 0.00%) ???:::expr_ty_adjusted_opt [???] 56,271 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_stmt 56,200 ( 0.00%) ???:rustc_query_impl::query_impl::lookup_deprecation_entry::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 56,176 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/disallowed_types.rs:::check_res_emit [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 56,115 ( 0.00%) ???:>>::upcast_from [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 56,034 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:rustc_hir::intravisit::walk_block::'2 55,906 ( 0.00%) ???:::test_candidates'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 55,866 ( 0.00%) ???:::decode_expn_id [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 55,860 ( 0.00%) ???:::fallible_with_capacity:: [???] 55,806 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 55,803 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_expr 55,670 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:::check_expr 55,403 ( 0.00%) ???:::record_var_scope [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 55,364 ( 0.00%) ???:::visit_item [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 55,290 ( 0.00%) ???:::fmt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 55,075 ( 0.00%) ???:rustc_lint::builtin::warn_if_doc [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 55,044 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_block::::check::{closure#0}>>'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 55,018 ( 0.00%) ???:rustc_hir::intravisit::walk_expr:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 54,975 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs:::check_expr 54,904 ( 0.00%) ???:>>>>::complete::>>, rustc_middle::query::erase::ErasedData<[u8; 8]>>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 54,889 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 54,678 ( 0.00%) ???:::const_eval_resolve [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 54,616 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:>::reserve::do_reserve_and_handle:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 54,515 ( 0.00%) ???:rustc_ast::mut_visit::walk_fn:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 54,463 ( 0.00%) ???:rustc_traits::codegen::codegen_select_candidate [???] 54,436 ( 0.00%) ???:::visit_ty [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 54,220 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cell.rs:::qpath 54,135 ( 0.00%) ???:::visit_method_receiver_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 53,983 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:::check_expr 53,891 ( 0.00%) ???:rustc_const_eval::const_eval::fn_queries::constness [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 53,865 ( 0.00%) ???:::handle_missing_lit::::mk_meta_item_lit_char>::{closure#0} 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rustc_data_structures::flat_map_in_place::FlatMapInPlace>>::flat_map_in_place::::{closure#0}, core::option::Option>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 50,248 ( 0.00%) ???:thin_vec::drop_non_singleton:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 50,173 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:rustc_hir::intravisit::walk_path::> 50,102 ( 0.00%) ???:::lower_maybe_coroutine_body [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 50,002 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 50,000 ( 0.00%) ???:rustc_hir_typeck::used_trait_imports 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49,755 ( 0.00%) ???:::ident [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 49,731 ( 0.00%) ???:::eq [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 49,728 ( 0.00%) include/jemalloc/internal/jemalloc_internal_inlines_b.h:tcache_bin_flush_small 49,613 ( 0.00%) ???:, rustc_type_ir::sty::Region, rustc_hash::FxBuildHasher>>::insert [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 49,496 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/slow_vector_initialization.rs:::check_stmt 49,454 ( 0.00%) include/jemalloc/internal/rtree.h:extent_try_coalesce_impl.llvm.9305427869391012685 49,399 ( 0.00%) ???:rustc_hir::intravisit::walk_pat::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 49,390 ( 0.00%) ???:::check_expr_post [???] 49,340 ( 0.00%) ???:::parse_limited_sym [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 49,323 ( 0.00%) ???:::leaf_def [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 49,312 ( 0.00%) ???:__strtoul_internal [/usr/lib/libc.so.6] 49,206 ( 0.00%) ???:::lower_use_path [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 49,187 ( 0.00%) /rust/deps/hashbrown-0.17.0/src/raw.rs:, rustc_middle::dep_graph::graph::DepNodeIndex))>>>::get:: 49,112 ( 0.00%) src/pac.c:large_ralloc 49,059 ( 0.00%) ???:::method_callee [???] 48,968 ( 0.00%) ???:<::anonymize_bound_vars::Anonymize as rustc_middle::ty::fold::BoundVarReplacerDelegate>::replace_region [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,960 ( 0.00%) ???:rustc_query_impl::query_impl::lower_to_hir::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,913 ( 0.00%) ???:::demand_coerce_diag [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,825 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_local:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 48,771 ( 0.00%) ???:::relate_type_and_user_type [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,571 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/structural_impls.rs:>::super_fold_with::> [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 48,568 ( 0.00%) ???:>::reserve_rehash::::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,464 ( 0.00%) ???:createX86MCAsmInfo(llvm::MCRegisterInfo const&, llvm::Triple const&, llvm::MCTargetOptions const&) [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/libLLVM.so.23.1-rust-1.99.0-nightly] 48,407 ( 0.00%) ???:getopts::find_opt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,356 ( 0.00%) include/jemalloc/internal/jemalloc_internal_inlines_b.h:realloc 48,328 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/disallowed_types.rs:::check_ty 48,306 ( 0.00%) ???:rustc_expand::mbe::quoted::parse_one_tt [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,281 ( 0.00%) ???:rustc_hir::intravisit::walk_pat::>'2 [???] 48,267 ( 0.00%) ???:rustc_expand::mbe::macro_rules::check_matcher_core [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,208 ( 0.00%) ???:, rustc_type_ir::sty::Region)>>::reserve_rehash::, rustc_type_ir::sty::Region, rustc_hash::FxBuildHasher>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,185 ( 0.00%) ???:::walk_::<::walk_always<::each_binding<::contains_explicit_ref_binding::{closure#0}>::{closure#0}>::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,111 ( 0.00%) ???:rustc_hir_analysis::outlives::inferred_outlives_crate [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 48,033 ( 0.00%) ???:rustc_query_impl::query_impl::resolve_bound_vars::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 47,971 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::query::erase::ErasedData<[u8; 16]>>, false>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 47,929 ( 0.00%) ???:::commit_from [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 47,916 ( 0.00%) ???:>>::walk_ref [???] 47,878 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:::visit_block_expr'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 47,871 ( 0.00%) ???:rustc_hir_analysis::check::wfcheck::check_item_fn [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 47,780 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_expr_unadjusted [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 47,777 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_pat::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 47,752 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 47,324 ( 0.00%) ???:::new [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 47,201 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 47,172 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/misc_early/unneeded_wildcard_pattern.rs:::check_pat 47,025 ( 0.00%) ???:>::super_fold_with::::replace_free_regions_with_nll_infer_vars::{closure#0}>>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 47,000 ( 0.00%) ???:rustc_query_impl::query_impl::lookup_stability::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 46,969 ( 0.00%) ???:::break_and_eat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 46,905 ( 0.00%) ???:>::walk_mut [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 46,851 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/res.rs:::check_expr 46,794 ( 0.00%) ???: as rustc_mir_transform::pass_manager::MirPass>::run_pass [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 46,604 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_stmt 46,576 ( 0.00%) ???:::pat_lang_item_variant [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 46,501 ( 0.00%) ???:>>::walk_ref [???] 46,433 ( 0.00%) ???:rustc_query_impl::query_impl::impl_item_implementor_ids::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 46,378 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_pat::'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 46,341 ( 0.00%) ???:::insert'2 [???] 46,339 ( 0.00%) ???:rustc_hir::intravisit::walk_pat::>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 46,205 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 46,200 ( 0.00%) ???:::kind [???] 46,176 ( 0.00%) ???:::validate_local [???] 46,143 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/let_underscore.rs:::check_local [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 46,083 ( 0.00%) ???:::find_constraint_path_between_regions_inner::<&::constraint_path_between_regions::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 46,070 ( 0.00%) ???:rustc_hir::intravisit::walk_pat::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 45,918 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:::check_attributes [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 45,918 ( 0.00%) site/frontend/rust-clippy/clippy_utils/src/lib.rs:::check_attributes_post [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 45,894 ( 0.00%) ???:::record_use'2 [???] 45,832 ( 0.00%) ???: as <[_]>::to_vec_in::ConvertVec>::to_vec:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 45,553 ( 0.00%) ???:::has_dtor [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 45,462 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/context.rs:::check_stmt 45,457 ( 0.00%) ???:>::evaluate_obligations_error_on_ambiguity [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 45,456 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::, rustc_middle::query::erase::ErasedData<[u8; 24]>>, false>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 45,359 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_local:: [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 45,307 ( 0.00%) ???:::qualif_local::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 45,257 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/memchr.rs:::check_fn 45,205 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:rustc_hir::intravisit::walk_expr::'2 45,117 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 45,100 ( 0.00%) ???:rustc_hir_analysis::collect::fn_sig [???] 45,038 ( 0.00%) ???:rustc_query_impl::plumbing::verify_query_key_hashes_inner::>, rustc_middle::query::erase::ErasedData<[u8; 16]>>>::{closure#0} [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,988 ( 0.00%) ???:::check_arm [???] 44,987 ( 0.00%) ???:0x0000000000040c70 [/usr/lib/libc.so.6] 44,970 ( 0.00%) ???:rustc_ast::visit::visit_stmts:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,965 ( 0.00%) ???:rustc_hir_analysis::check::region::resolve_local::is_binding_pat [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,924 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter.rs:::check_block 44,897 ( 0.00%) ???:::visit_expr [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,856 ( 0.00%) include/jemalloc/internal/sz.h:ecache_evict 44,793 ( 0.00%) ???:::final_upvar_tys [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,774 ( 0.00%) ???:::visit_item [???] 44,640 ( 0.00%) ???:>::reserve [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,565 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::check_pat 44,565 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:clippy_lints::matches::rest_pat_in_fully_bound_struct::check 44,532 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/needless_late_init.rs:::check_block_post [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 44,380 ( 0.00%) ???:core::slice::sort::stable::quicksort::quicksort::::sort_by_key<&core::option::Option, , rustc_middle::ty::assoc::AssocItem> as core::iter::traits::collect::FromIterator<(core::option::Option, rustc_middle::ty::assoc::AssocItem)>>::from_iter, rustc_ty_utils::assoc::associated_items::{closure#0}>, ::new, rustc_ty_utils::assoc::associated_items::{closure#0}>>::{closure#0}>>::{closure#0}>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,379 ( 0.00%) ???:::eq_trace:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,350 ( 0.00%) ???:rustc_hir_analysis::check::wfcheck::check_impl [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,286 ( 0.00%) ???: as core::iter::traits::iterator::Iterator>::next [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,285 ( 0.00%) include/jemalloc/internal/bit_util.h:pa_dalloc 44,282 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,280 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,175 ( 0.00%) ???:>>>>>::complete::>>>, rustc_middle::query::erase::ErasedData<[u8; 8]>>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,088 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 44,080 ( 0.00%) src/decay.c:arena_decay 44,010 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,993 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>, rustc_middle::query::erase::ErasedData<[u8; 8]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,977 ( 0.00%) ???:<&rustc_middle::ty::list::RawList<(), rustc_type_ir::binder::BoundVariableKind> as rustc_data_structures::stable_hash::StableHash>::stable_hash:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,950 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/chain.rs:clippy_utils::macros::expn_is_local 43,949 ( 0.00%) ???:::visit_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,920 ( 0.00%) ???:rustc_query_impl::query_impl::def_ident_span::invoke_provider_fn::__rust_begin_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,887 ( 0.00%) ???:rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::def_ident_span [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,868 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,868 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,868 ( 0.00%) ???:>::walk_ref [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,849 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::>>>, rustc_middle::query::erase::ErasedData<[u8; 8]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,785 ( 0.00%) ???:core::slice::sort::unstable::quicksort::quicksort::::sort_unstable_by<::new::{closure#2}>::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,769 ( 0.00%) ???:rustc_hir_analysis::check::wfcheck::check_well_formed [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,747 ( 0.00%) ???:rustc_lint::expect::lint_expectations [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,743 ( 0.00%) ???:::build_reduced_graph_for_use_tree [???] 43,732 ( 0.00%) ???:::expr_lang_item_path [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,664 ( 0.00%) ???:>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,583 ( 0.00%) ???:>::fill_item::<::xform_method_sig::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,480 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/combined_early_pass.rs:::check_block [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 43,467 ( 0.00%) ???:rustc_expand::mbe::macro_check::check_nested_occurrences [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,394 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:::check_expr 43,394 ( 0.00%) ???:> as rustc_ast::visit::Visitable>>::visit [???] 43,385 ( 0.00%) ???:core::slice::sort::stable::quicksort::quicksort::::sort_by_key<&core::option::Option, , rustc_middle::ty::assoc::AssocItem> as core::iter::traits::collect::FromIterator<(core::option::Option, rustc_middle::ty::assoc::AssocItem)>>::from_iter, rustc_ty_utils::assoc::associated_items::{closure#0}>, ::new, rustc_ty_utils::assoc::associated_items::{closure#0}>>::{closure#0}>>::{closure#0}>::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,356 ( 0.00%) ???:rustc_ast::visit::visit_assoc_items::> [???] 43,348 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_stmt::::check::{closure#0}>>'2 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 43,300 ( 0.00%) ???:>::consts [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,282 ( 0.00%) ???:::destructor [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,218 ( 0.00%) ???:>::reserve_rehash::::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 43,119 ( 0.00%) /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/extent.c:extent_try_coalesce_impl.llvm.9305427869391012685 [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 43,108 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/needless_late_init.rs:::check_local [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 43,043 ( 0.00%) ???:rustc_data_structures::outline::<::lines::{closure#0}, &[rustc_span::RelativeBytePos]> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,964 ( 0.00%) ???:rustc_query_impl::query_impl::attrs_for_def::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,938 ( 0.00%) ???:::record_lifetime_use [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,880 ( 0.00%) ???:::write_str [???] 42,848 ( 0.00%) ???:::visit_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,848 ( 0.00%) ???:rustc_middle::thir::visit::walk_pat::'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,765 ( 0.00%) ???:>>>::complete::>, rustc_middle::query::erase::ErasedData<[u8; 8]>>> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,744 ( 0.00%) ???:rustc_query_impl::query_impl::is_copy_raw::execute_query_non_incr::__rust_end_short_backtrace [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,562 ( 0.00%) ???:::visit_pat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,414 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 42,336 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter.rs:::check_block 42,336 ( 0.00%) site/frontend/rust-clippy/clippy_lints/src/matches/infallible_destructuring_match.rs:clippy_lints::matches::infallible_destructuring_match::check [/home/moon/git/rustc-perf/site/frontend/rust-clippy/target/clippy-build/clippy-driver] 42,320 ( 0.00%) ???:::missing_semi_from_binop [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,274 ( 0.00%) ???:>::cat_pattern::<>::walk_pat::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,245 ( 0.00%) ???:rustc_type_ir::relate::combine::super_combine_consts:: [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,207 ( 0.00%) ???:::new_imported_source_file [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,197 ( 0.00%) ???:rustc_hir_analysis::check_unused::check_unused_traits'2 [???] 42,110 ( 0.00%) src/eset.c:pa_dalloc 42,057 ( 0.00%) ???:rustc_expand::mbe::macro_parser::compute_locs::inner [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 42,026 ( 0.00%) /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cmp.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} 42,013 ( 0.00%) ???:::evaluate_obligation [???] 42,000 ( 0.00%) include/jemalloc/internal/rtree.h:emap_merge_prepare 41,964 ( 0.00%) ???:>::reserve_rehash::, ()>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 41,947 ( 0.00%) ???:>::normalize::> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 41,919 ( 0.00%) ???:::parse_borrowed_pointee [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 41,891 ( 0.00%) ???:rustc_query_impl::execution::try_execute_query::), rustc_middle::query::erase::ErasedData<[u8; 16]>>, false> [/home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/librustc_driver-173404cd07acc0f2.so] 41,877 ( 0.00%) ???:::mk_fn_sig::, rustc_middle::ty::Ty> [???] -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/blocks_in_conditions.rs -------------------------------------------------------------------------------- Ir -- line 47 ---------------------------------------- . "useless or complex blocks that can be eliminated in conditions" . } . . declare_lint_pass!(BlocksInConditions => [BLOCKS_IN_CONDITIONS]); . . const BRACED_EXPR_MESSAGE: &str = "omit braces around single expression condition"; . . impl<'tcx> LateLintPass<'tcx> for BlocksInConditions { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,090 ( 0.00%) if expr.span.from_expansion() { . return; . } . 1,444 ( 0.00%) let Some((cond, keyword, desc)) = higher::If::hir(expr) . .map(|hif| (hif.cond, "if", "an `if` condition")) 620 ( 0.00%) .or(if let ExprKind::Match(match_ex, _, MatchSource::Normal) = expr.kind { . Some((match_ex, "match", "a `match` scrutinee")) . } else { . None . }) . else { . return; . }; 1,083 ( 0.00%) let complex_block_message = format!( . "in {desc}, avoid complex blocks or closures with blocks; \ . instead, move the block or closure higher and bind it with a `let`", . ); . 722 ( 0.00%) if let ExprKind::Block(block, _) = &cond.kind { . if !block.span.eq_ctxt(expr.span) { . // If the block comes from a macro, or as an argument to a macro, . // do not lint. . return; . } . if block.rules == BlockCheckMode::DefaultBlock { . if block.stmts.is_empty() { . if let Some(ex) = &block.expr { -- line 83 ---------------------------------------- -- line 129 ---------------------------------------- . "let res = {}; {keyword} res", . snippet_block_with_applicability(cx, block.span, "..", Some(expr.span), &mut applicability), . ), . applicability, . ); . } . } . } 416,360 ( 0.01%) } . } 1,381 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs -------------------------------------------------------------------------------- Ir -- line 224 ---------------------------------------- . fn count(self) -> usize . where . Self: Sized + [const] Destruct, . Self::Item: [const] Destruct, . { . self.fold( . 0, . #[rustc_inherit_overflow_checks] 86 ( 0.00%) const |accum, _elem| accum + 1, . ) . } . . /// Consumes the iterator, returning the last element. . /// . /// This method will evaluate the iterator until it returns [`None`]. While . /// doing so, it keeps track of the current element. After [`None`] is . /// returned, `last()` will then return the last element it saw. -- line 240 ---------------------------------------- -- line 381 ---------------------------------------- . /// ``` . /// let a = [1, 2, 3]; . /// assert_eq!(a.into_iter().nth(10), None); . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_non_const_trait_method] . fn nth(&mut self, n: usize) -> Option { 3 ( 0.00%) self.advance_by(n).ok()?; 67 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/iter.rs:::advance_by (1x) 96 ( 0.00%) self.next() 6,327 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/iter.rs:::next (48x) . } . . /// Creates an iterator starting at the same point, but stepping by . /// the given amount at each iteration. . /// . /// Note 1: The first element of the iterator will always be returned, . /// regardless of the step given. . /// -- line 398 ---------------------------------------- -- line 879 ---------------------------------------- . Self: Sized, . F: FnMut(Self::Item), . { . #[inline] . fn call(mut f: impl FnMut(T)) -> impl FnMut((), T) { . move |(), item| f(item) . } . 3,399 ( 0.00%) self.fold((), call(f)); 576 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/char/mod.rs:::fold::<(), core::iter::traits::iterator::Iterator::for_each::call>::extend::{closure#0}>::{closure#0}> (16x) . } . . /// Creates an iterator which uses a closure to determine if an element . /// should be yielded. . /// . /// Given an element the closure must return `true` or `false`. The returned . /// iterator will yield only the elements for which the closure returns . /// `true`. -- line 895 ---------------------------------------- -- line 2078 ---------------------------------------- . // accidentally noticed that some rustc iterators had malformed `size_hint`s, . // so this will help catch such things in debug-assertions-std runners, . // even if users won't actually ever see it. . if cfg!(debug_assertions) { . let hint = self.size_hint(); . assert!(hint.1.is_none_or(|high| high >= hint.0), "Malformed size_hint {hint:?}"); . } . 881 ( 0.00%) FromIterator::from_iter(self) 18,194 ( 0.00%) => /rust/deps/indexmap-2.14.0/src/map.rs:, rustc_hash::FxBuildHasher> as core::iter::traits::collect::FromIterator<(rustc_span::def_id::LocalDefId, alloc::vec::Vec)>>::from_iter::, >::new::{closure#0}>> (258x) . } . . /// Fallibly transforms an iterator into a collection, short circuiting if . /// a failure is encountered. . /// . /// `try_collect()` is a variation of [`collect()`][`collect`] that allows fallible . /// conversions during collection. Its main use case is simplifying conversions from . /// iterators yielding [`Option`][`Option`] into `Option>`, or similarly for other [`Try`] -- line 2094 ---------------------------------------- -- line 2338 ---------------------------------------- . // These closure "factory" functions exist to avoid genericity in `Self`. . . #[inline] . fn is_false<'a, T>( . predicate: &'a mut impl FnMut(&T) -> bool, . true_count: &'a mut usize, . ) -> impl FnMut(&&mut T) -> bool + 'a { . move |x| { 5 ( 0.00%) let p = predicate(&**x); . *true_count += p as usize; . !p . } . } . . #[inline] . fn is_true(predicate: &mut impl FnMut(&T) -> bool) -> impl FnMut(&&mut T) -> bool + '_ { 11 ( 0.00%) move |x| predicate(&**x) . } . . // Repeatedly find the first `false` and swap it with the last `true`. . let mut true_count = 0; . while let Some(head) = self.find(is_false(predicate, &mut true_count)) { . if let Some(tail) = self.rfind(is_true(predicate)) { . crate::mem::swap(head, tail); 1 ( 0.00%) true_count += 1; . } else { . break; . } . } . true_count . } . . /// Checks if the elements of this iterator are partitioned according to the given predicate, -- line 2370 ---------------------------------------- -- line 2474 ---------------------------------------- . /// } else { . /// ControlFlow::Break(prev) . /// } . /// }); . /// assert_eq!(triangular, ControlFlow::Continue(435)); . /// ``` . #[inline] . #[stable(feature = "iterator_try_fold", since = "1.27.0")] 993,672 ( 0.02%) fn try_fold(&mut self, init: B, mut f: F) -> R . where . Self: Sized, . F: [const] FnMut(B, Self::Item) -> R + [const] Destruct, . R: [const] Try, . { . let mut accum = init; 2,715,802 ( 0.05%) while let Some(x) = self.next() { 5,052,861 ( 0.09%) => ???:::next (59,063x) 1,339,015 ( 0.02%) accum = f(accum, x)?; . } . try { accum } 663,935 ( 0.01%) } . . /// An iterator method that applies a fallible function to each item in the . /// iterator, stopping at the first error and returning that error. . /// . /// This can also be thought of as the fallible form of [`for_each()`] . /// or as the stateless version of [`try_fold()`]. . /// . /// [`for_each()`]: Iterator::for_each -- line 2501 ---------------------------------------- -- line 2658 ---------------------------------------- . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . fn fold(mut self, init: B, mut f: F) -> B . where . Self: Sized + [const] Destruct, . F: [const] FnMut(B, Self::Item) -> B + [const] Destruct, . { . let mut accum = init; 5,107,004 ( 0.09%) while let Some(x) = self.next() { 25,563 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/iter.rs:::next (159x) 2,128,234 ( 0.04%) accum = f(accum, x); . } 842,700 ( 0.02%) accum . } . . /// Reduces the elements to a single one, by repeatedly applying a reducing . /// operation. . /// . /// If the iterator is empty, returns [`None`]; otherwise, returns the . /// result of the reduction. . /// -- line 2677 ---------------------------------------- -- line 2695 ---------------------------------------- . #[inline] . #[stable(feature = "iterator_fold_self", since = "1.51.0")] . fn reduce(mut self, f: F) -> Option . where . Self: Sized + [const] Destruct, . F: [const] FnMut(Self::Item, Self::Item) -> Self::Item + [const] Destruct, . { . let first = self.next()?; 264 ( 0.00%) Some(self.fold(first, f)) . } . . /// Reduces the elements to a single one by repeatedly applying a reducing operation. If the . /// closure returns a failure, the failure is propagated back to the caller immediately. . /// . /// The return type of this method depends on the return type of the closure. If the closure . /// returns `Result`, then this function will return `Result, . /// E>`. If the closure returns `Option`, then this function will return -- line 2711 ---------------------------------------- -- line 2830 ---------------------------------------- . F: FnMut(Self::Item) -> bool, . { . #[inline] . fn check(mut f: impl FnMut(T) -> bool) -> impl FnMut((), T) -> ControlFlow<()> { . move |(), x| { . if f(x) { ControlFlow::Continue(()) } else { ControlFlow::Break(()) } . } . } 13 ( 0.00%) self.try_fold((), check(f)) == ControlFlow::Continue(()) 6,578 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:, core::slice::iter::Iter> as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::all::check<(&rustc_hir::hir::Pat, &rustc_hir::hir::Pat), clippy_utils::hir_utils::over::eq_pat::{closure#3}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow<()>> (13x) . } . . /// Tests if any element of the iterator matches a predicate. . /// . /// `any()` takes a closure that returns `true` or `false`. It applies . /// this closure to each element of the iterator, and if any of them return . /// `true`, then so does `any()`. If they all return `false`, it . /// returns `false`. -- line 2846 ---------------------------------------- -- line 2955 ---------------------------------------- . fn find

(&mut self, predicate: P) -> Option . where . Self: Sized, . P: FnMut(&Self::Item) -> bool, . { . #[inline] . fn check(mut predicate: impl FnMut(&T) -> bool) -> impl FnMut((), T) -> ControlFlow { . move |(), x| { 346 ( 0.00%) if predicate(&x) { ControlFlow::Break(x) } else { ControlFlow::Continue(()) } 3 ( 0.00%) } . } . . self.try_fold((), check(predicate)).break_value() . } . . /// Applies function to the elements of iterator and returns . /// the first non-none result. . /// -- line 2972 ---------------------------------------- -- line 2986 ---------------------------------------- . #[rustc_non_const_trait_method] . fn find_map(&mut self, f: F) -> Option . where . Self: Sized, . F: FnMut(Self::Item) -> Option, . { . #[inline] . fn check(mut f: impl FnMut(T) -> Option) -> impl FnMut((), T) -> ControlFlow { 179,611 ( 0.00%) move |(), x| match f(x) { 16,501 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:<&mut clippy_lints::manual_clamp::is_two_if_pattern::{closure#0} as core::ops::function::FnMut<((clippy_lints::manual_clamp::MaybeBorrowedStmtKind, clippy_lints::manual_clamp::MaybeBorrowedStmtKind),)>>::call_mut (313x) . Some(x) => ControlFlow::Break(x), . None => ControlFlow::Continue(()), . } . } . 85,688 ( 0.00%) self.try_fold((), check(f)).break_value() 18,750,188 ( 0.35%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs: as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::find_map::check<(rustc_span::hygiene::ExpnId, rustc_span::hygiene::ExpnData), clippy_utils::macros::MacroCall, &mut clippy_utils::macros::macro_backtrace::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> (82,758x) . } . . /// Applies function to the elements of iterator and returns . /// the first true result or the first error. . /// . /// The return type of this method depends on the return type of the closure. . /// If you return `Result` from the closure, you'll get a `Result, E>`. . /// If you return `Option` from the closure, you'll get an `Option>`. -- line 3008 ---------------------------------------- -- line 3134 ---------------------------------------- . { . #[inline] . fn check<'a, T>( . mut predicate: impl FnMut(T) -> bool + 'a, . acc: &'a mut usize, . ) -> impl FnMut((), T) -> ControlFlow + 'a { . #[rustc_inherit_overflow_checks] . move |_, x| { 10 ( 0.00%) if predicate(x) { 14 ( 0.00%) ControlFlow::Break(*acc) . } else { . *acc += 1; . ControlFlow::Continue(()) . } . } . } . 7 ( 0.00%) let mut acc = 0; 7 ( 0.00%) self.try_fold((), check(predicate, &mut acc)).break_value() 112 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/chain.rs:, core::slice::iter::Iter> as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::traits::iterator::Iterator::position::check<&rustc_hir::hir::Expr, clippy_lints::methods::iter_on_single_or_empty_collections::is_arg_ty_unified_in_fn, core::slice::iter::Iter>>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow> (7x) . } . . /// Searches for an element in an iterator from the right, returning its . /// index. . /// . /// `rposition()` takes a closure that returns `true` or `false`. It applies . /// this closure to each element of the iterator, starting from the end, . /// and if one of them returns `true`, then `rposition()` returns -- line 3160 ---------------------------------------- -- line 3468 ---------------------------------------- . /// . /// let (x, (y, z)): (Vec<_>, (Vec<_>, Vec<_>)) = a.into_iter().unzip(); . /// assert_eq!(x, [1, 4]); . /// assert_eq!(y, [2, 5]); . /// assert_eq!(z, [3, 6]); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_non_const_trait_method] 344 ( 0.00%) fn unzip(self) -> (FromA, FromB) . where . FromA: Default + Extend, . FromB: Default + Extend, . Self: Sized + Iterator, . { . let mut unzipped: (FromA, FromB) = Default::default(); . unzipped.extend(self); 430 ( 0.00%) unzipped 387 ( 0.00%) } . . /// Creates an iterator which copies all of its elements. . /// . /// This is useful when you have an iterator over `&T`, but you need an . /// iterator over `T`. . /// . /// # Examples . /// -- line 3493 ---------------------------------------- -- line 3873 ---------------------------------------- . #[stable(feature = "iter_order", since = "1.5.0")] . #[rustc_non_const_trait_method] . fn eq(self, other: I) -> bool . where . I: IntoIterator, . Self::Item: PartialEq, . Self: Sized, . { 77 ( 0.00%) self.eq_by(other, |x, y| x == y) 35 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lexer/src/lib.rs:::eq (5x) . } . . /// Determines if the elements of this [`Iterator`] are equal to those of . /// another with respect to the specified equality function. . /// . /// # Examples . /// . /// ``` -- line 3889 ---------------------------------------- -- line 3891 ---------------------------------------- . /// . /// let xs = [1, 2, 3, 4]; . /// let ys = [1, 4, 9, 16]; . /// . /// assert!(xs.iter().eq_by(ys, |x, y| x * x == y)); . /// ``` . #[unstable(feature = "iter_order_by", issue = "64295")] . #[rustc_non_const_trait_method] 178 ( 0.00%) fn eq_by(self, other: I, eq: F) -> bool . where . Self: Sized, . I: IntoIterator, . F: FnMut(Self::Item, I::Item) -> bool, . { . #[inline] . fn compare(mut eq: F) -> impl FnMut(X, Y) -> ControlFlow<()> . where . F: FnMut(X, Y) -> bool, . { . move |x, y| { . if eq(x, y) { ControlFlow::Continue(()) } else { ControlFlow::Break(()) } . } . } . 227 ( 0.00%) SpecIterEq::spec_iter_eq(self, other.into_iter(), compare(eq)) 206 ( 0.00%) } . . /// Determines if the elements of this [`Iterator`] are not equal to those of . /// another. . /// . /// # Examples . /// . /// ``` . /// assert_eq!([1].iter().ne([1].iter()), false); -- line 3924 ---------------------------------------- -- line 3927 ---------------------------------------- . #[stable(feature = "iter_order", since = "1.5.0")] . #[rustc_non_const_trait_method] . fn ne(self, other: I) -> bool . where . I: IntoIterator, . Self::Item: PartialEq, . Self: Sized, . { 12 ( 0.00%) !self.eq(other) . } . . /// Determines if the elements of this [`Iterator`] are [lexicographically](Ord#lexicographical-comparison) . /// less than those of another. . /// . /// # Examples . /// . /// ``` -- line 3943 ---------------------------------------- -- line 4160 ---------------------------------------- . #[inline] . fn spec_iter_eq(self, b: B, f: F) -> bool . where . F: FnMut(Self::Item, ::Item) -> ControlFlow<()>, . { . // we *can't* short-circuit if: . match (self.size_hint(), b.size_hint()) { . // ... both iterators have the same length 138 ( 0.00%) ((_, Some(a)), (_, Some(b))) if a == b => {} . // ... or both of them are longer than `usize::MAX` (i.e. have an unknown length). . ((_, None), (_, None)) => {} . // otherwise, we can ascertain that they are unequal without actually comparing items . _ => return false, . } . . iter_eq(self, b, f) . } -- line 4176 ---------------------------------------- -- line 4202 ---------------------------------------- . B: Iterator, . { . move |x| match b.next() { . None => ControlFlow::Break(ControlFlow::Continue(Ordering::Greater)), . Some(y) => f(x, y).map_break(ControlFlow::Break), . } . } . 10 ( 0.00%) match a.try_for_each(compare(&mut b, f)) { . ControlFlow::Continue(()) => ControlFlow::Continue(match b.next() { . None => Ordering::Equal, . Some(_) => Ordering::Less, . }), . ControlFlow::Break(x) => x, . } . } . -- line 4218 ---------------------------------------- -- line 4229 ---------------------------------------- . /// Implements `Iterator` for mutable references to iterators, such as those produced by [`Iterator::by_ref`]. . /// . /// This implementation passes all method calls on to the original iterator. . #[stable(feature = "rust1", since = "1.0.0")] . impl Iterator for &mut I { . type Item = I::Item; . #[inline] . fn next(&mut self) -> Option { 258 ( 0.00%) (**self).next() 1,245 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:, core::slice::iter::Iter> as core::iter::traits::iterator::Iterator>::next (113x) 90 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs: as core::iter::traits::iterator::Iterator>::next (16x) . } . fn size_hint(&self) -> (usize, Option) { . (**self).size_hint() . } . fn advance_by(&mut self, n: usize) -> Result<(), NonZero> { . (**self).advance_by(n) . } . fn nth(&mut self, n: usize) -> Option { -- line 4245 ---------------------------------------- 5,608,474 ( 0.10%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/implicit_saturating_add.rs -------------------------------------------------------------------------------- Ir -- line 35 ---------------------------------------- . pub IMPLICIT_SATURATING_ADD, . style, . "Perform saturating addition instead of implicitly checking max bound of data type" . } . . declare_lint_pass!(ImplicitSaturatingAdd => [IMPLICIT_SATURATING_ADD]); . . impl<'tcx> LateLintPass<'tcx> for ImplicitSaturatingAdd { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 105,045 ( 0.00%) if let ExprKind::If(cond, then, None) = expr.kind 24 ( 0.00%) && let Some((c, op_node, l)) = get_const(cx, cond) 120 ( 0.00%) && let BinOpKind::Ne | BinOpKind::Lt = op_node 5 ( 0.00%) && let ExprKind::Block(block, None) = then.kind . && let Block { . stmts: 5 ( 0.00%) [ . Stmt { . kind: StmtKind::Expr(ex) | StmtKind::Semi(ex), . .. . }, . ], . expr: None, . .. . } -- line 58 ---------------------------------------- -- line 88 ---------------------------------------- . IMPLICIT_SATURATING_ADD, . expr.span, . "manual saturating add detected", . "use instead", . sugg, . app, . ); . } 416,360 ( 0.01%) } . } . . fn get_int_max(ty: Ty<'_>) -> Option { . use rustc_middle::ty::{Int, Uint}; . match ty.peel_refs().kind() { . Int(IntTy::I8) => i8::MAX.try_into().ok(), . Int(IntTy::I16) => i16::MAX.try_into().ok(), . Int(IntTy::I32) => i32::MAX.try_into().ok(), -- line 104 ---------------------------------------- -- line 111 ---------------------------------------- . Uint(UintTy::U64) => Some(u64::MAX.into()), . Uint(UintTy::U128) => Some(u128::MAX), . Uint(UintTy::Usize) => usize::MAX.try_into().ok(), . _ => None, . } . } . . fn get_const<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) -> Option<(u128, BinOpKind, &'tcx Expr<'tcx>)> { 512 ( 0.00%) if let ExprKind::Binary(op, l, r) = expr.kind { 46 ( 0.00%) let ecx = ConstEvalCtxt::new(cx); 2,576 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/consts.rs:::new (46x) 46 ( 0.00%) let ctxt = expr.span.ctxt(); 378 ( 0.00%) if let Some(Constant::Int(c)) = ecx.eval_local(r, ctxt) { 13,151 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/consts.rs:::eval_local (46x) . return Some((c, op.node, l)); . } 110 ( 0.00%) if let Some(Constant::Int(c)) = ecx.eval_local(l, ctxt) { 2,582 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/consts.rs:::eval_local (22x) . return Some((c, invert_op(op.node)?, r)); . } . } . None . } . . fn invert_op(op: BinOpKind) -> Option { . use rustc_hir::BinOpKind::{Ge, Gt, Le, Lt, Ne}; -- line 133 ---------------------------------------- 465 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs -------------------------------------------------------------------------------- Ir -- line 454 ---------------------------------------- . /// let mut vec: Vec = Vec::new(); . /// ``` . #[inline] . #[rustc_const_stable(feature = "const_vec_new", since = "1.39.0")] . #[rustc_diagnostic_item = "vec_new"] . #[stable(feature = "rust1", since = "1.0.0")] . #[must_use] . pub const fn new() -> Self { 300,068 ( 0.01%) Vec { buf: RawVec::new(), len: 0 } . } . . /// Constructs a new, empty `Vec` with at least the specified capacity. . /// . /// The vector will be able to hold at least `capacity` elements without . /// reallocating. This method is allowed to allocate for more elements than . /// `capacity`. If `capacity` is zero, the vector will not allocate. . /// -- line 470 ---------------------------------------- -- line 961 ---------------------------------------- . /// // A vector of a zero-sized type will always over-allocate, since no . /// // allocation is necessary . /// let vec_units = Vec::<(), System>::with_capacity_in(10, System); . /// assert_eq!(vec_units.capacity(), usize::MAX); . /// ``` . #[inline] . #[unstable(feature = "allocator_api", issue = "32838")] . pub fn with_capacity_in(capacity: usize, alloc: A) -> Self { 209,639 ( 0.00%) Vec { buf: RawVec::with_capacity_in(capacity, alloc), len: 0 } . } . . /// Appends an element to the back of a collection. . /// . /// # Panics . /// . /// Panics if the new capacity exceeds `isize::MAX` _bytes_. . /// -- line 977 ---------------------------------------- -- line 988 ---------------------------------------- . /// Takes amortized *O*(1) time. If the vector's length would exceed its . /// capacity after the push, *O*(*capacity*) time is taken to copy the . /// vector's elements to a larger allocation. This expensive operation is . /// offset by the *capacity* *O*(1) insertions it allows. . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_confusables("push_back", "put", "append")] . pub fn push(&mut self, value: T) { 177 ( 0.00%) let _ = self.push_mut(value); 125 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:>::push_mut (1x) . } . . /// Appends an element to the back of a collection, returning a reference to it. . /// . /// # Panics . /// . /// Panics if the new capacity exceeds `isize::MAX` _bytes_. . /// -- line 1004 ---------------------------------------- -- line 1019 ---------------------------------------- . /// . /// Takes amortized *O*(1) time. If the vector's length would exceed its . /// capacity after the push, *O*(*capacity*) time is taken to copy the . /// vector's elements to a larger allocation. This expensive operation is . /// offset by the *capacity* *O*(1) insertions it allows. . #[inline] . #[stable(feature = "push_mut", since = "1.95.0")] . #[must_use = "if you don't need a reference to the value, use `Vec::push` instead"] 295 ( 0.00%) pub fn push_mut(&mut self, value: T) -> &mut T { . // Inform codegen that the length does not change across grow_one(). 14,466 ( 0.00%) let len = self.len; . // This will panic or abort if we would allocate > isize::MAX bytes . // or if the length increment would overflow for zero-sized types. 35,703 ( 0.00%) if len == self.buf.capacity() { 6,175 ( 0.00%) self.buf.grow_one(); 2,600 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:>::grow_one (26x) . } . unsafe { . let end = self.as_mut_ptr().add(len); . ptr::write(end, value); 33,259 ( 0.00%) self.len = len + 1; . // SAFETY: We just wrote a value to the pointer that will live the lifetime of the reference. . &mut *end . } 236 ( 0.00%) } . } . . impl Vec { . /// Constructs a new, empty `Vec`. . /// . /// The vector will not allocate until elements are pushed onto it. . /// . /// # Examples -- line 1050 ---------------------------------------- -- line 1188 ---------------------------------------- . capacity: usize, . alloc: A, . ) -> Self { . ub_checks::assert_unsafe_precondition!( . check_library_ub, . "Vec::from_raw_parts_in requires that length <= capacity", . (length: usize = length, capacity: usize = capacity) => length <= capacity . ); 1,251 ( 0.00%) unsafe { Vec { buf: RawVec::from_raw_parts_in(ptr, capacity, alloc), len: length } } . } . . #[doc(alias = "from_non_null_parts_in")] . /// Creates a `Vec` directly from a `NonNull` pointer, a length, a capacity, . /// and an allocator. . /// . /// # Safety . /// -- line 1204 ---------------------------------------- -- line 1303 ---------------------------------------- . capacity: usize, . alloc: A, . ) -> Self { . ub_checks::assert_unsafe_precondition!( . check_library_ub, . "Vec::from_parts_in requires that length <= capacity", . (length: usize = length, capacity: usize = capacity) => length <= capacity . ); 24 ( 0.00%) unsafe { Vec { buf: RawVec::from_nonnull_in(ptr, capacity, alloc), len: length } } . } . . /// Decomposes a `Vec` into its raw components: `(pointer, length, capacity, allocator)`. . /// . /// Returns the raw pointer to the underlying data, the length of the vector (in elements), . /// the allocated capacity of the data (in elements), and the allocator. These are the same . /// arguments in the same order as the arguments to [`from_raw_parts_in`]. . /// -- line 1319 ---------------------------------------- -- line 1453 ---------------------------------------- . /// let mut vec = vec![1]; . /// vec.reserve(10); . /// assert!(vec.capacity() >= 11); . /// ``` . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_diagnostic_item = "vec_reserve"] . pub fn reserve(&mut self, additional: usize) { 2,220 ( 0.00%) self.buf.reserve(self.len, additional); . } . . /// Reserves the minimum capacity for at least `additional` more elements to . /// be inserted in the given `Vec`. Unlike [`reserve`], this will not . /// deliberately over-allocate to speculatively avoid frequent allocations. . /// After calling `reserve_exact`, capacity will be greater than or equal to . /// `self.len() + additional`. Does nothing if the capacity is already . /// sufficient. -- line 1469 ---------------------------------------- -- line 1590 ---------------------------------------- . /// ``` . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . pub fn shrink_to_fit(&mut self) { . // The capacity is never less than the length, and there's nothing to do when . // they are equal, so we can avoid the panic case in `RawVec::shrink_to_fit` . // by only calling it with a greater capacity. 1,076 ( 0.00%) if self.capacity() > self.len { . self.buf.shrink_to_fit(self.len); . } . } . . /// Shrinks the capacity of the vector with a lower bound. . /// . /// The capacity will remain at least as large as both the length . /// and the supplied value. -- line 1606 ---------------------------------------- -- line 1815 ---------------------------------------- . // case avoids creating an invalid slice, and . // * the `len` of the vector is shrunk before calling `drop_in_place`, . // such that no value will be dropped twice in case `drop_in_place` . // were to panic once (if it panics twice, the program aborts). . unsafe { . // Note: It's intentional that this is `>` and not `>=`. . // Changing it to `>=` has negative performance . // implications in some cases. See #78884 for more. 28,576 ( 0.00%) if len > self.len { . return; . } . let remaining_len = self.len - len; . let s = self.as_mut_ptr().add(len).cast_slice(remaining_len); 11,510 ( 0.00%) self.len = len; . ptr::drop_in_place(s); . } . } . . /// Extracts a slice containing the entire vector. . /// . /// Equivalent to `&s[..]`. . /// -- line 1836 ---------------------------------------- -- line 1857 ---------------------------------------- . // * obeys size and address-wrapping constraints . // . // * We only construct `&mut` references to `self.buf` through `&mut self` methods; borrow- . // check ensures that it is not possible to mutably alias `self.buf` within the . // returned lifetime. . unsafe { . // normally this would use `slice::from_raw_parts`, but it's . // instantiated often enough that avoiding the UB check is worth it 1,003,381 ( 0.02%) &*core::intrinsics::aggregate_raw_ptr::<*const [T], _, _>(self.as_ptr(), self.len) . } . } . . /// Extracts a mutable slice of the entire vector. . /// . /// Equivalent to `&mut s[..]`. . /// . /// # Examples -- line 1873 ---------------------------------------- -- line 1896 ---------------------------------------- . // * obeys size and address-wrapping constraints . // . // * We only construct references to `self.buf` through `&self` and `&mut self` methods; . // borrow-check ensures that it is not possible to construct a reference to `self.buf` . // within the returned lifetime. . unsafe { . // normally this would use `slice::from_raw_parts_mut`, but it's . // instantiated often enough that avoiding the UB check is worth it 96,687 ( 0.00%) &mut *core::intrinsics::aggregate_raw_ptr::<*mut [T], _, _>(self.as_mut_ptr(), self.len) . } . } . . /// Returns a raw pointer to the vector's buffer, or a dangling raw pointer . /// valid for zero sized reads if the vector didn't allocate. . /// . /// The caller must ensure that the vector outlives the pointer this . /// function returns, or else it will end up dangling. -- line 1912 ---------------------------------------- -- line 2216 ---------------------------------------- . #[rustc_const_unstable(feature = "const_heap", issue = "79597")] . pub const unsafe fn set_len(&mut self, new_len: usize) { . ub_checks::assert_unsafe_precondition!( . check_library_ub, . "Vec::set_len requires that new_len <= capacity()", . (new_len: usize = new_len, capacity: usize = self.capacity()) => new_len <= capacity . ); . 4,963 ( 0.00%) self.len = new_len; . } . . /// Removes an element from the vector and returns it. . /// . /// The removed element is replaced by the last element of the vector. . /// . /// This does not preserve ordering of the remaining elements, but is *O*(1). . /// If you need to preserve the element order, use [`remove`] instead. -- line 2232 ---------------------------------------- -- line 2254 ---------------------------------------- . #[cold] . #[cfg_attr(not(panic = "immediate-abort"), inline(never))] . #[optimize(size)] . fn assert_failed(index: usize, len: usize) -> ! { . panic!("swap_remove index (is {index}) should be < len (is {len})"); . } . . let len = self.len(); 582 ( 0.00%) if index >= len { . assert_failed(index, len); . } . unsafe { . // We replace self[index] with the last element. Note that if the . // bounds check above succeeds there must be a last element (which . // can be self[index] itself). . let value = ptr::read(self.as_ptr().add(index)); . let base_ptr = self.as_mut_ptr(); 291 ( 0.00%) ptr::copy(base_ptr.add(len - 1), base_ptr.add(index), 1); . self.set_len(len - 1); . value . } . } . . /// Inserts an element at position `index` within the vector, shifting all . /// elements after it to the right. . /// -- line 2279 ---------------------------------------- -- line 2478 ---------------------------------------- . /// assert_eq!(vec, [2, 3, 5]); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . pub fn retain(&mut self, mut f: F) . where . F: FnMut(&T) -> bool, . { . self.retain_mut(|elem| f(elem)); 91 ( 0.00%) } . . /// Retains only the elements specified by the predicate, passing a mutable reference to it. . /// . /// In other words, remove all elements `e` such that `f(&mut e)` returns `false`. . /// This method operates in place, visiting each element exactly once in the . /// original order, and preserves the order of the retained elements. . /// . /// # Examples -- line 2494 ---------------------------------------- -- line 2505 ---------------------------------------- . /// ``` . #[stable(feature = "vec_retain_mut", since = "1.61.0")] . pub fn retain_mut(&mut self, mut f: F) . where . F: FnMut(&mut T) -> bool, . { . let original_len = self.len(); . 182 ( 0.00%) if original_len == 0 { . // Empty case: explicit return allows better optimization, vs letting compiler infer it . return; . } . . // Vec: [Kept, Kept, Hole, Hole, Hole, Hole, Unchecked, Unchecked] . // | ^- write ^- read | . // |<- original_len ->| . // Kept: Elements which predicate returns true on. -- line 2521 ---------------------------------------- -- line 2550 ---------------------------------------- . } . } . } . . let mut read = 0; . loop { . // SAFETY: read < original_len . let cur = unsafe { self.get_unchecked_mut(read) }; 346 ( 0.00%) if hint::unlikely(!f(cur)) { . break; . } 116 ( 0.00%) read += 1; 232 ( 0.00%) if read == original_len { . // All elements are kept, return early. . return; . } . } . . // Critical section starts here and at least one element is going to be removed. . // Advance `g.read` early to avoid double drop if `drop_in_place` panicked. . let mut g = PanicGuard { v: self, read: read + 1, write: read, original_len }; . // SAFETY: previous `read` is always less than original_len. . unsafe { ptr::drop_in_place(&mut *g.v.as_mut_ptr().add(read)) }; . 1,166 ( 0.00%) while g.read < g.original_len { . // SAFETY: `read` is always less than original_len. . let cur = unsafe { &mut *g.v.as_mut_ptr().add(g.read) }; 493 ( 0.00%) if !f(cur) { . // Advance `read` early to avoid double drop if `drop_in_place` panicked. . g.read += 1; . // SAFETY: We never touch this element again after dropped. . unsafe { ptr::drop_in_place(cur) }; . } else { . // SAFETY: `read` > `write`, so the slots don't overlap. . // We use copy for move, and never touch the source element again. . unsafe { . let hole = g.v.as_mut_ptr().add(g.write); . ptr::copy_nonoverlapping(cur, hole, 1); . } 493 ( 0.00%) g.write += 1; . g.read += 1; . } . } . . // We are leaving the critical section and no panic happened, . // Commit the length change and forget the guard. . // SAFETY: `write` is always less than or equal to original_len. . unsafe { g.v.set_len(g.write) }; . mem::forget(g); 1 ( 0.00%) } . . /// Removes all but the first of consecutive elements in the vector that resolve to the same . /// key. . /// . /// If the vector is sorted, this removes all duplicates. . /// . /// # Examples . /// -- line 2607 ---------------------------------------- -- line 2614 ---------------------------------------- . /// ``` . #[stable(feature = "dedup_by", since = "1.16.0")] . #[inline] . pub fn dedup_by_key(&mut self, mut key: F) . where . F: FnMut(&mut T) -> K, . K: PartialEq, . { 22 ( 0.00%) self.dedup_by(|a, b| key(a) == key(b)) 860 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:>::dedup_by::<>::dedup_by_key<::check_uninlined_args::{closure#2}, rustc_span::span_encoding::Span>::{closure#0}> (22x) . } . . /// Removes all but the first of consecutive elements in the vector that are . /// "equal" according to the given predicate function. . /// . /// The predicate `same_bucket(x, p)` is passed references to two elements. . /// If it returns `true`, the element `x` is removed from the vector. . /// -- line 2630 ---------------------------------------- -- line 2662 ---------------------------------------- . /// } else { . /// false . /// } . /// }); . /// . /// assert_eq!(ranges, [1..5, 8..9]); . /// ``` . #[stable(feature = "dedup_by", since = "1.16.0")] 154 ( 0.00%) pub fn dedup_by(&mut self, mut same_bucket: F) . where . F: FnMut(&mut T, &mut T) -> bool, . { . let len = self.len(); 44 ( 0.00%) if len <= 1 { . return; . } . . // Check if we ever want to remove anything. . // This allows to use copy_non_overlapping in next cycle. . // And avoids any memory writes if we don't need to remove anything. . let mut first_duplicate_idx: usize = 1; . let start = self.as_mut_ptr(); 295 ( 0.00%) while first_duplicate_idx != len { . let found_duplicate = unsafe { . // SAFETY: first_duplicate always in range [1..len) . // Note that we start iteration from 1 so we never overflow. . let prev = start.add(first_duplicate_idx.wrapping_sub(1)); . let current = start.add(first_duplicate_idx); . // We explicitly say in docs that references are reversed. 32 ( 0.00%) same_bucket(&mut *current, &mut *prev) . }; 32 ( 0.00%) if found_duplicate { . break; . } . first_duplicate_idx += 1; . } . // Don't need to remove anything. . // We cannot get bigger than len. . if first_duplicate_idx == len { . return; -- line 2701 ---------------------------------------- -- line 2757 ---------------------------------------- . // SAFETY: we checked that first_duplicate_idx in bounds before. . // If drop panics, `gap` would remove this item without drop. . ptr::drop_in_place(start.add(first_duplicate_idx)); . } . . /* SAFETY: Because of the invariant, read_ptr, prev_ptr and write_ptr . * are always in-bounds and read_ptr never aliases prev_ptr */ . unsafe { 2 ( 0.00%) while gap.read < len { . let read_ptr = start.add(gap.read); . let prev_ptr = start.add(gap.write.wrapping_sub(1)); . . // We explicitly say in docs that references are reversed. . let found_duplicate = same_bucket(&mut *read_ptr, &mut *prev_ptr); . if found_duplicate { . // Increase `gap.read` now since the drop may panic. . gap.read += 1; -- line 2773 ---------------------------------------- -- line 2788 ---------------------------------------- . } . . /* Technically we could let `gap` clean up with its Drop, but . * when `same_bucket` is guaranteed to not panic, this bloats a little . * the codegen, so we just do it manually */ . gap.vec.set_len(gap.write); . mem::forget(gap); . } 176 ( 0.00%) } . . /// Appends an element and returns a reference to it if there is sufficient spare capacity, . /// otherwise an error is returned with the element. . /// . /// Unlike [`push`] this method will not reallocate when there's insufficient capacity. . /// The caller should use [`reserve`] or [`try_reserve`] to ensure that there is enough capacity. . /// . /// [`push`]: Vec::push -- line 2804 ---------------------------------------- -- line 2865 ---------------------------------------- . /// . /// # Time complexity . /// . /// Takes *O*(1) time. . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_diagnostic_item = "vec_pop"] . pub fn pop(&mut self) -> Option { 18,859 ( 0.00%) if self.len == 0 { . None . } else { . unsafe { 13,013 ( 0.00%) self.len -= 1; . core::hint::assert_unchecked(self.len < self.capacity()); 20 ( 0.00%) Some(ptr::read(self.as_ptr().add(self.len()))) . } . } . } . . /// Removes and returns the last element from a vector if the predicate . /// returns `true`, or [`None`] if the predicate returns false or the vector . /// is empty (the predicate will not be called in that case). . /// -- line 2887 ---------------------------------------- -- line 2973 ---------------------------------------- . Ok(()) . } . . /// Appends elements to `self` from other buffer without reserving additional capacity. . #[inline] . unsafe fn append_elements_unreserved(&mut self, other: *const [T]) { . let count = other.len(); . let len = self.len(); 1,941 ( 0.00%) if count > 0 { . unsafe { . ptr::copy_nonoverlapping(other as *const T, self.as_mut_ptr().add(len), count) . }; . } 4,119 ( 0.00%) self.len += count; . } . . /// Removes the subslice indicated by the given range from the vector, . /// returning a double-ended iterator over the removed subslice. . /// . /// If the iterator is dropped before being fully consumed, . /// it drops the remaining removed elements. . /// -- line 2994 ---------------------------------------- -- line 3074 ---------------------------------------- . . // SAFETY: . // - `elems` comes directly from `as_mut_slice` and is therefore valid. . // - Setting `self.len` before calling `drop_in_place` means that, . // if an element's `Drop` impl panics, the vector's `Drop` impl will . // do nothing (leaking the rest of the elements) instead of dropping . // some twice. . unsafe { 748 ( 0.00%) self.len = 0; . ptr::drop_in_place(elems); . } . } . . /// Returns the number of elements in the vector, also referred to . /// as its 'length'. . /// . /// # Examples -- line 3090 ---------------------------------------- -- line 3093 ---------------------------------------- . /// let a = vec![1, 2, 3]; . /// assert_eq!(a.len(), 3); . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_vec_string_slice", since = "1.87.0")] . #[rustc_confusables("length", "size")] . pub const fn len(&self) -> usize { 21,005 ( 0.00%) let len = self.len; . . // SAFETY: The maximum capacity of `Vec` is `isize::MAX` bytes, so the maximum value can . // be returned is `usize::checked_div(size_of::()).unwrap_or(usize::MAX)`, which . // matches the definition of `T::MAX_SLICE_LEN`. . unsafe { intrinsics::assume(len <= T::MAX_SLICE_LEN) }; . . len . } -- line 3109 ---------------------------------------- -- line 3118 ---------------------------------------- . /// . /// v.push(1); . /// assert!(!v.is_empty()); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_diagnostic_item = "vec_is_empty"] . #[rustc_const_stable(feature = "const_vec_string_slice", since = "1.87.0")] . pub const fn is_empty(&self) -> bool { 8,391 ( 0.00%) self.len() == 0 . } . . /// Splits the collection into two at the given index. . /// . /// Returns a newly allocated vector containing the elements in the range . /// `[at, len)`. After the call, the original vector will be left containing . /// the elements `[0, at)` with its previous capacity unchanged. . /// -- line 3134 ---------------------------------------- -- line 3868 ---------------------------------------- . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . impl Clone for Vec { . /// Creates a new `Vec` by deep-copying the contents of an existing `Vec`. . /// . /// This method will allocate a new `Vec` and `clone` all of `self`'s contents . /// into it. The capacity of the duplicate `Vec` is not forced to match the . /// capacity of the original. 1,716 ( 0.00%) fn clone(&self) -> Self { . let alloc = self.allocator().clone(); 49 ( 0.00%) <[T]>::to_vec_in(&**self, alloc) 2,163 ( 0.00%) } . . /// Overwrites the contents of `self` with a clone of the contents of `source`. . /// . /// This method is preferred over simply assigning `source.clone()` to `self`, . /// as it avoids reallocation if possible. Additionally, if the element type . /// `T` overrides `clone_from()`, this will reuse the resources of `self`'s . /// elements as well. . /// -- line 3887 ---------------------------------------- -- line 3915 ---------------------------------------- . /// let v: Vec = vec![0xa8, 0x3c, 0x09]; . /// let s: &[u8] = &[0xa8, 0x3c, 0x09]; . /// assert_eq!(b.hash_one(v), b.hash_one(s)); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . impl Hash for Vec { . #[inline] . fn hash(&self, state: &mut H) { 4 ( 0.00%) Hash::hash(&**self, state) . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_index", issue = "143775")] . const impl, A: Allocator> Index for Vec { . type Output = I::Output; . -- line 3931 ---------------------------------------- -- line 3988 ---------------------------------------- . /// LONG_LIVED.lock().unwrap().push(result); . /// } . /// ``` . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . impl FromIterator for Vec { . #[inline] . fn from_iter>(iter: I) -> Vec { 642 ( 0.00%) >::from_iter(iter.into_iter()) 7,459 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/spec_from_iter.rs:> as alloc::vec::spec_from_iter::SpecFromIter, core::iter::adapters::filter::Filter>>>, clippy_utils::search_same<&rustc_hir::hir::Expr, clippy_lints::ifs::ifs_same_cond::check::{closure#0}, clippy_lints::ifs::ifs_same_cond::check::{closure#1}>::{closure#1}>>>::from_iter (4x) . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl IntoIterator for Vec { . type Item = T; . type IntoIter = IntoIter; . -- line 4004 ---------------------------------------- -- line 4026 ---------------------------------------- . let buf = me.buf.non_null(); . let begin = buf.as_ptr(); . let end = if T::IS_ZST { . begin.wrapping_byte_add(me.len()) . } else { . begin.add(me.len()) as *const T . }; . let cap = me.buf.capacity(); 7 ( 0.00%) IntoIter { buf, phantom: PhantomData, cap, alloc, ptr: buf, end } . } . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl<'a, T, A: Allocator> IntoIterator for &'a Vec { . type Item = &'a T; . type IntoIter = slice::Iter<'a, T>; -- line 4042 ---------------------------------------- -- line 4056 ---------------------------------------- . } . } . . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . impl Extend for Vec { . #[inline] . fn extend>(&mut self, iter: I) { 1 ( 0.00%) >::spec_extend(self, iter.into_iter()) 555 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/spec_extend.rs: as alloc::vec::spec_extend::SpecExtend>>::spec_extend (1x) . } . . #[inline] . fn extend_one(&mut self, item: T) { . self.push(item); . } . . #[inline] -- line 4072 ---------------------------------------- -- line 4092 ---------------------------------------- . fn extend_desugared>(&mut self, mut iterator: I) { . // This is the case for a general iterator. . // . // This function should be the moral equivalent of: . // . // for item in iterator { . // self.push(item); . // } 4,260 ( 0.00%) while let Some(element) = iterator.next() { 38,392 ( 0.00%) => /home/moon/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/toml_parser-1.1.2+spec-1.1.0/src/lexer/mod.rs:::next (395x) . let len = self.len(); 1,776 ( 0.00%) if len == self.capacity() { . let (lower, _) = iterator.size_hint(); . self.reserve(lower.saturating_add(1)); . } . unsafe { . ptr::write(self.as_mut_ptr().add(len), element); . // Since next() executes user code which can panic we have to bump the length . // after each step. . // NB can't overflow since we would have had to alloc the address space 888 ( 0.00%) self.set_len(len + 1); . } . } . } . . // specific extend for `TrustedLen` iterators, called both by the specializations . // and internal places where resolving specialization makes compilation slower . #[cfg(not(no_global_oom_handling))] . fn extend_trusted(&mut self, iterator: impl iter::TrustedLen) { -- line 4119 ---------------------------------------- -- line 4124 ---------------------------------------- . additional, . "TrustedLen iterator's size hint is not exact: {:?}", . (low, high) . ); . self.reserve(additional); . unsafe { . let ptr = self.as_mut_ptr(); . let mut local_len = SetLenOnDrop::new(&mut self.len); 164 ( 0.00%) iterator.for_each(move |element| { . ptr::write(ptr.add(local_len.current_len()), element); . // Since the loop executes user code which can panic we have to update . // the length every step to correctly drop what we've written. . // NB can't overflow since we would have had to alloc the address space . local_len.increment_len(1); . }); . } . } else { -- line 4140 ---------------------------------------- -- line 4345 ---------------------------------------- . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_heap", issue = "79597")] . const unsafe impl<#[may_dangle] T: [const] Destruct, A: [const] Allocator + [const] Destruct> Drop . for Vec . { 2,363 ( 0.00%) fn drop(&mut self) { . unsafe { . // use drop for [T] . // use a raw slice to refer to the elements of the vector as weakest necessary type; . // could avoid questions of validity in certain cases 3,558 ( 0.00%) self.as_mut_ptr().cast_slice(self.len).drop_in_place() . } . // RawVec handles deallocation 2,958 ( 0.00%) } . } . . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_default", issue = "143894")] . const impl Default for Vec { . /// Creates an empty `Vec`. . /// . /// The vector will not allocate until elements are pushed onto it. -- line 4369 ---------------------------------------- 111,155 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/filter.rs -------------------------------------------------------------------------------- Ir -- line 20 ---------------------------------------- . #[derive(Clone)] . pub struct Filter { . // Used for `SplitWhitespace` and `SplitAsciiWhitespace` `as_str` methods . pub(crate) iter: I, . predicate: P, . } . impl Filter { . pub(in crate::iter) const fn new(iter: I, predicate: P) -> Filter { 64,331 ( 0.00%) Filter { iter, predicate } . } . } . . impl Filter . where . I: Iterator, . P: FnMut(&I::Item) -> bool, . { -- line 36 ---------------------------------------- -- line 71 ---------------------------------------- . f.debug_struct("Filter").field("iter", &self.iter).finish() . } . } . . fn filter_fold( . mut predicate: impl FnMut(&T) -> bool, . mut fold: impl FnMut(Acc, T) -> Acc, . ) -> impl FnMut(Acc, T) -> Acc { 27 ( 0.00%) move |acc, item| if predicate(&item) { fold(acc, item) } else { acc } . } . . fn filter_try_fold<'a, T, Acc, R: Try>( . predicate: &'a mut impl FnMut(&T) -> bool, . mut fold: impl FnMut(Acc, T) -> R + 'a, . ) -> impl FnMut(Acc, T) -> R + 'a { 30,954 ( 0.00%) move |acc, item| if predicate(&item) { fold(acc, item) } else { try { acc } } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl Iterator for Filter . where . P: FnMut(&I::Item) -> bool, . { . type Item = I::Item; . . #[inline] 2,484 ( 0.00%) fn next(&mut self) -> Option { 116 ( 0.00%) self.iter.find(&mut self.predicate) 2,476 ( 0.00%) } . . #[inline] . fn next_chunk( . &mut self, . ) -> Result<[Self::Item; N], array::IntoIter> { . // avoid codegen for the dead branch . let fun = const { . if crate::mem::needs_drop::() { -- line 107 ---------------------------------------- -- line 130 ---------------------------------------- . // less readable and also less backwards-compatible to Rust before 1.10. . // . // Using the branchless version will also simplify the LLVM byte code, thus . // leaving more budget for LLVM optimizations. . #[inline] . fn count(self) -> usize { . #[inline] . fn to_usize(mut predicate: impl FnMut(&T) -> bool) -> impl FnMut(T) -> usize { 152 ( 0.00%) move |x| predicate(&x) as usize . } . . let before = self.iter.size_hint().1.unwrap_or(usize::MAX); . let total = self.iter.map(to_usize(self.predicate)).sum(); . // SAFETY: `total` and `before` came from the same iterator of type `I` . unsafe { . ::assume_count_le_upper_bound(total, before); . } -- line 146 ---------------------------------------- -- line 149 ---------------------------------------- . . #[inline] . fn try_fold(&mut self, init: Acc, fold: Fold) -> R . where . Self: Sized, . Fold: FnMut(Acc, Self::Item) -> R, . R: Try, . { 10 ( 0.00%) self.iter.try_fold(init, filter_try_fold(&mut self.predicate, fold)) 3,152 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:, ::block::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::adapters::filter::filter_try_fold>, ::block::{closure#1}, core::iter::traits::iterator::Iterator::try_for_each::call>, core::iter::traits::iterator::iter_compare::compare, rustc_lexer::TokenKind, (), core::iter::traits::iterator::Iterator::eq_by::compare, ::block::{closure#0}>, ::block::{closure#1}> as core::iter::traits::iterator::Iterator>::eq<[rustc_lexer::TokenKind; 1]>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow>> (5x) . } . . #[inline] . fn fold(self, init: Acc, fold: Fold) -> Acc . where . Fold: FnMut(Acc, Self::Item) -> Acc, . { 1,446 ( 0.00%) self.iter.fold(init, filter_fold(self.predicate, fold)) . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl DoubleEndedIterator for Filter . where . P: FnMut(&I::Item) -> bool, . { -- line 173 ---------------------------------------- 26,091 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/disallowed_names.rs -------------------------------------------------------------------------------- Ir -- line 37 ---------------------------------------- . Self { . disallow: conf.disallowed_names.iter().map(|x| Symbol::intern(x)).collect(), . } . } . } . . impl<'tcx> LateLintPass<'tcx> for DisallowedNames { . fn check_pat(&mut self, cx: &LateContext<'tcx>, pat: &'tcx Pat<'_>) { 25,092 ( 0.00%) if let PatKind::Binding(.., ident, _) = pat.kind 3,626 ( 0.00%) && !ident.span.from_expansion() . && self.disallow.contains(&ident.name) . && !is_in_test(cx.tcx, pat.hir_id) . && !is_from_proc_macro(cx, &ident) . { . span_lint( . cx, . DISALLOWED_NAMES, . ident.span, . format!("use of a disallowed/placeholder name `{}`", ident.name), . ); . } 5,294 ( 0.00%) } . } 18,130 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/toplevel_ref_arg.rs -------------------------------------------------------------------------------- Ir -- line 45 ---------------------------------------- . pub TOPLEVEL_REF_ARG, . style, . "an entire binding declared as `ref`, in a function argument or a `let` statement" . } . . declare_lint_pass!(ToplevelRefArg => [TOPLEVEL_REF_ARG]); . . impl<'tcx> LateLintPass<'tcx> for ToplevelRefArg { 3,376 ( 0.00%) fn check_fn( . &mut self, . cx: &LateContext<'tcx>, . k: FnKind<'tcx>, . decl: &'tcx FnDecl<'_>, . body: &'tcx Body<'_>, . _: Span, . _: LocalDefId, . ) { 844 ( 0.00%) if !matches!(k, FnKind::Closure) { . for arg in iter_input_pats(decl, body) { 2,945 ( 0.00%) if let PatKind::Binding(BindingMode(ByRef::Yes(..), _), ..) = arg.pat.kind . && is_lint_allowed(cx, REF_PATTERNS, arg.pat.hir_id) . && !arg.span.in_external_macro(cx.tcx.sess.source_map()) . { . span_lint_hir( . cx, . TOPLEVEL_REF_ARG, . arg.hir_id, . arg.pat.span, . "`ref` directly on a function parameter does not prevent taking ownership of the passed argument. \ . Consider using a reference type instead", . ); . } . } . } 3,376 ( 0.00%) } . 80,992 ( 0.00%) fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { 22,400 ( 0.00%) if let StmtKind::Let(local) = stmt.kind 10,356 ( 0.00%) && let PatKind::Binding(BindingMode(ByRef::Yes(_, mutabl), _), .., name, None) = local.pat.kind . && let Some(init) = local.init . // Do not emit if clippy::ref_patterns is not allowed to avoid having two lints for the same issue. . && is_lint_allowed(cx, REF_PATTERNS, local.pat.hir_id) . && !stmt.span.in_external_macro(cx.tcx.sess.source_map()) . { . let ctxt = local.span.ctxt(); . let mut app = Applicability::MachineApplicable; . let sugg_init = Sugg::hir_with_context(cx, init, ctxt, "..", &mut app); -- line 91 ---------------------------------------- -- line 110 ---------------------------------------- . stmt.span, . "try", . format!("let {name}{tyopt} = {initref};", name = snippet(cx, name.span, "..")), . app, . ); . }, . ); . } 80,992 ( 0.00%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/needless_question_mark.rs -------------------------------------------------------------------------------- Ir -- line 60 ---------------------------------------- . * Return statement . * A body's value (single line closure) . * . * What do we not match: . * Implicit calls to `from(..)` on the error value . */ . . fn check_expr(&mut self, cx: &LateContext<'_>, expr: &'_ Expr<'_>) { 104,438 ( 0.00%) if let ExprKind::Ret(Some(e)) = expr.kind { 294 ( 0.00%) check(cx, e); 8,249 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/needless_question_mark.rs:clippy_lints::needless_question_mark::check (98x) . } . } . . fn check_body(&mut self, cx: &LateContext<'_>, body: &'_ Body<'_>) { 1,870 ( 0.00%) if let ExprKind::Block( . Block { . expr: . Some(Expr { . kind: ExprKind::DropTemps(async_body), . .. . }), . .. . }, . _, 1,462 ( 0.00%) ) = body.value.kind . { 15 ( 0.00%) if let ExprKind::Block(Block { expr: Some(expr), .. }, ..) = async_body.kind { . check(cx, expr.peel_blocks()); . } . } else { . check(cx, body.value.peel_blocks()); . } . } . } . . fn check(cx: &LateContext<'_>, expr: &Expr<'_>) { 1,673 ( 0.00%) if let ExprKind::Call(path, [arg]) = expr.kind 938 ( 0.00%) && let Res::Def(DefKind::Ctor(..), ctor_id) = path.res(cx) . && let Some(variant_id) = cx.tcx.opt_parent(ctor_id) 295 ( 0.00%) && let variant = if cx.tcx.lang_items().option_some_variant() == Some(variant_id) { 3,510 ( 0.00%) => ???:::lang_items (117x) . "Some" 254 ( 0.00%) } else if cx.tcx.lang_items().result_ok_variant() == Some(variant_id) { 3,420 ( 0.00%) => ???:::lang_items (114x) . "Ok" . } else { . return; . } 66 ( 0.00%) && let ExprKind::Match(inner_expr_with_q, _, MatchSource::TryDesugar(_)) = &arg.kind . && let ExprKind::Call(called, [inner_expr]) = &inner_expr_with_q.kind . && let ExprKind::Path(qpath) = called.kind . && cx.tcx.qpath_is_lang_item(qpath, LangItem::TryTraitBranch) . && expr.span.eq_ctxt(inner_expr.span) . && let expr_ty = cx.typeck_results().expr_ty(expr) . && let inner_ty = cx.typeck_results().expr_ty(inner_expr) . && expr_ty == inner_ty . { -- line 114 ---------------------------------------- -- line 128 ---------------------------------------- . String::new(), . ), . ], . Applicability::MachineApplicable, . ); . }, . ); . } 553 ( 0.00%) } 1,854 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/disallowed_fields.rs -------------------------------------------------------------------------------- Ir -- line 59 ---------------------------------------- . impl_lint_pass!(DisallowedFields => [DISALLOWED_FIELDS]); . . pub struct DisallowedFields { . disallowed: DefIdMap<(&'static str, &'static DisallowedPath)>, . } . . impl DisallowedFields { . pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { 8 ( 0.00%) let (disallowed, _) = create_disallowed_map( 38 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_config/src/types.rs:clippy_config::types::create_disallowed_map::::new::{closure#0}> (1x) . tcx, . &conf.disallowed_fields, . PathNS::Field, . |def_kind| matches!(def_kind, DefKind::Field), . "field", . false, . ); 4 ( 0.00%) Self { disallowed } . } . } . . impl<'tcx> LateLintPass<'tcx> for DisallowedFields { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 213,655 ( 0.00%) let (id, span) = match &expr.kind { 217,849 ( 0.00%) ExprKind::Path(path) if let Res::Def(_, id) = cx.qpath_res(path, expr.hir_id) => (id, expr.span), 644,684 ( 0.01%) => ???:::qpath_res (23,285x) . ExprKind::Field(e, ident) => { . // Very round-about way to get the field `DefId` from the expr: first we get its . // parent `Ty`. Then we go through all its fields to find the one with the expected . // name and get the `DefId` from it. 4,364 ( 0.00%) if let Some(parent_ty) = cx.typeck_results().expr_ty_adjusted_opt(e) 56,104 ( 0.00%) => ???:::expr_ty_adjusted_opt (1,091x) 5,455 ( 0.00%) && let Some(field_def_id) = get_field_def_id_by_name(parent_ty, ident.name) 33,114 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::get_field_def_id_by_name (1,091x) . { 1,026 ( 0.00%) (field_def_id, ident.span) . } else { . return; . } . }, . _ => return, . }; . if let Some(&(path, disallowed_path)) = self.disallowed.get(&id) { . span_lint_and_then( . cx, . DISALLOWED_FIELDS, . span, . format!("use of a disallowed field `{path}`"), . disallowed_path.diag_amendment(span), . ); . } 312,270 ( 0.01%) } . 42,352 ( 0.00%) fn check_pat(&mut self, cx: &LateContext<'tcx>, pat: &'tcx Pat<'_>) { 11,640 ( 0.00%) let PatKind::Struct(struct_path, pat_fields, _) = pat.kind else { . return; . }; 4,447 ( 0.00%) match cx.typeck_results().qpath_res(&struct_path, pat.hir_id) { 3,945 ( 0.00%) => ???:::qpath_res (263x) 16 ( 0.00%) Res::Def(DefKind::Struct, struct_def_id) => { 8 ( 0.00%) let adt_def = cx.tcx.adt_def(struct_def_id); . for field in pat_fields { . if let Some(def_id) = adt_def.all_fields().find_map(|adt_field| { . if field.ident.name == adt_field.name { . Some(adt_field.did) . } else { . None . } . }) && let Some(&(path, disallowed_path)) = self.disallowed.get(&def_id) -- line 122 ---------------------------------------- -- line 126 ---------------------------------------- . DISALLOWED_FIELDS, . field.span, . format!("use of a disallowed field `{path}`"), . disallowed_path.diag_amendment(field.span), . ); . } . } . }, 510 ( 0.00%) Res::Def(DefKind::Variant, variant_def_id) => { 765 ( 0.00%) let enum_def_id = cx.tcx.parent(variant_def_id); 1,020 ( 0.00%) let variant = cx.tcx.adt_def(enum_def_id).variant_with_id(variant_def_id); 3,735 ( 0.00%) => ???:::variant_with_id (255x) . . for field in pat_fields { . if let Some(def_id) = variant.fields.iter().find_map(|adt_field| { . if field.ident.name == adt_field.name { . Some(adt_field.did) . } else { . None . } -- line 144 ---------------------------------------- -- line 151 ---------------------------------------- . format!("use of a disallowed field `{path}`"), . disallowed_path.diag_amendment(field.span), . ); . } . } . }, . _ => {}, . } 42,352 ( 0.00%) } . } 1,060 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/returns/let_and_return.rs -------------------------------------------------------------------------------- Ir -- line 8 ---------------------------------------- . use rustc_errors::Applicability; . use rustc_hir::{Block, Expr, PatKind, StmtKind}; . use rustc_lint::{LateContext, LintContext as _}; . use rustc_middle::ty::GenericArgKind; . use rustc_span::edition::Edition; . . use super::LET_AND_RETURN; . 17,318 ( 0.00%) pub(super) fn check_block<'tcx>(cx: &LateContext<'tcx>, block: &'tcx Block<'_>) { . // we need both a let-binding stmt and an expr 7,422 ( 0.00%) if let Some(retexpr) = block.expr 3,233 ( 0.00%) && let Some(stmt) = block.stmts.last() 2,646 ( 0.00%) && let StmtKind::Let(local) = &stmt.kind 588 ( 0.00%) && local.ty.is_none() 222 ( 0.00%) && local.els.is_none() 1,554 ( 0.00%) && cx.tcx.hir_attrs(local.hir_id).is_empty() 13,631 ( 0.00%) => ???:::hir_attrs (222x) 888 ( 0.00%) && let Some(initexpr) = &local.init 666 ( 0.00%) && let PatKind::Binding(_, local_id, _, _) = local.pat.kind . && retexpr.res_local_id() == Some(local_id) . && (cx.sess().edition() >= Edition::Edition2024 || !last_statement_borrows(cx, initexpr)) . && !initexpr.span.in_external_macro(cx.sess().source_map()) . && !retexpr.span.in_external_macro(cx.sess().source_map()) . && !local.span.from_expansion() . && !span_contains_non_whitespace(cx, stmt.span.between(retexpr.span), false) . { . span_lint_hir_and_then( -- line 33 ---------------------------------------- -- line 60 ---------------------------------------- . err.multipart_suggestion( . "return the expression directly", . vec![(local.span, String::new()), (retexpr.span, sugg)], . app, . ); . }, . ); . } 17,318 ( 0.00%) } . fn last_statement_borrows<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> bool { . for_each_expr(cx.tcx, expr, |e| { . if let Some(def_id) = fn_def_id(cx, e) . && cx . .tcx . .fn_sig(def_id) . .instantiate_identity() . .skip_norm_wip() -- line 76 ---------------------------------------- 294 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/mod.rs -------------------------------------------------------------------------------- Ir -- line 129 ---------------------------------------- . /// assert!(b.is_empty()); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_slice_is_empty", since = "1.39.0")] . #[rustc_no_implicit_autorefs] . #[inline] . #[must_use] . pub const fn is_empty(&self) -> bool { 2,120 ( 0.00%) self.len() == 0 . } . . /// Returns the first element of the slice, or `None` if it is empty. . /// . /// # Examples . /// . /// ``` . /// let v = [10, 40, 30]; -- line 145 ---------------------------------------- -- line 148 ---------------------------------------- . /// let w: &[i32] = &[]; . /// assert_eq!(None, w.first()); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")] . #[inline] . #[must_use] . pub const fn first(&self) -> Option<&T> { 274,484 ( 0.01%) if let [first, ..] = self { Some(first) } else { None } . } . . /// Returns a mutable reference to the first element of the slice, or `None` if it is empty. . /// . /// # Examples . /// . /// ``` . /// let x = &mut [0, 1, 2]; -- line 164 ---------------------------------------- -- line 191 ---------------------------------------- . /// assert_eq!(elements, &[1, 2]); . /// } . /// ``` . #[stable(feature = "slice_splits", since = "1.5.0")] . #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")] . #[inline] . #[must_use] . pub const fn split_first(&self) -> Option<(&T, &[T])> { 3,023 ( 0.00%) if let [first, tail @ ..] = self { Some((first, tail)) } else { None } . } . . /// Returns the first and all the rest of the elements of the slice, or `None` if it is empty. . /// . /// # Examples . /// . /// ``` . /// let x = &mut [0, 1, 2]; -- line 207 ---------------------------------------- -- line 233 ---------------------------------------- . /// assert_eq!(elements, &[0, 1]); . /// } . /// ``` . #[stable(feature = "slice_splits", since = "1.5.0")] . #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")] . #[inline] . #[must_use] . pub const fn split_last(&self) -> Option<(&T, &[T])> { 3,398 ( 0.00%) if let [init @ .., last] = self { Some((last, init)) } else { None } . } . . /// Returns the last and all the rest of the elements of the slice, or `None` if it is empty. . /// . /// # Examples . /// . /// ``` . /// let x = &mut [0, 1, 2]; -- line 249 ---------------------------------------- -- line 274 ---------------------------------------- . /// let w: &[i32] = &[]; . /// assert_eq!(None, w.last()); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")] . #[inline] . #[must_use] . pub const fn last(&self) -> Option<&T> { 747,377 ( 0.01%) if let [.., last] = self { Some(last) } else { None } . } . . /// Returns a mutable reference to the last item in the slice, or `None` if it is empty. . /// . /// # Examples . /// . /// ``` . /// let x = &mut [0, 1, 2]; -- line 290 ---------------------------------------- -- line 297 ---------------------------------------- . /// let y: &mut [i32] = &mut []; . /// assert_eq!(None, y.last_mut()); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_slice_first_last", since = "1.83.0")] . #[inline] . #[must_use] . pub const fn last_mut(&mut self) -> Option<&mut T> { 4,962 ( 0.00%) if let [.., last] = self { Some(last) } else { None } . } . . /// Returns an array reference to the first `N` items in the slice. . /// . /// If the slice is not at least `N` in length, this will return `None`. . /// . /// # Examples . /// -- line 313 ---------------------------------------- -- line 320 ---------------------------------------- . /// . /// let w: &[i32] = &[]; . /// assert_eq!(Some(&[]), w.first_chunk::<0>()); . /// ``` . #[inline] . #[stable(feature = "slice_first_last_chunk", since = "1.77.0")] . #[rustc_const_stable(feature = "slice_first_last_chunk", since = "1.77.0")] . pub const fn first_chunk(&self) -> Option<&[T; N]> { 105,882 ( 0.00%) if self.len() < N { . None . } else { . // SAFETY: We explicitly check for the correct number of elements, . // and do not let the reference outlive the slice. . Some(unsafe { &*(self.as_ptr().cast_array()) }) . } . } . -- line 336 ---------------------------------------- -- line 846 ---------------------------------------- . /// Gets a reference to the underlying array. . /// . /// If `N` is not exactly equal to the length of `self`, then this method returns `None`. . #[stable(feature = "core_slice_as_array", since = "1.93.0")] . #[rustc_const_stable(feature = "core_slice_as_array", since = "1.93.0")] . #[inline] . #[must_use] . pub const fn as_array(&self) -> Option<&[T; N]> { 342 ( 0.00%) if self.len() == N { . let ptr = self.as_ptr().cast_array(); . . // SAFETY: The underlying array of a slice can be reinterpreted as an actual array `[T; N]` if `N` is not greater than the slice's length. . let me = unsafe { &*ptr }; . Some(me) . } else { . None . } -- line 862 ---------------------------------------- -- line 970 ---------------------------------------- . /// let mut v = [1, 2, 3]; . /// v.reverse(); . /// assert!(v == [3, 2, 1]); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_slice_reverse", since = "1.90.0")] . #[inline] . pub const fn reverse(&mut self) { 46 ( 0.00%) let half_len = self.len() / 2; . let Range { start, end } = self.as_mut_ptr_range(); . . // These slices will skip the middle item for an odd length, . // since that one doesn't need to move. . let (front_half, back_half) = . // SAFETY: Both are subparts of the original slice, so the memory . // range is valid, and they don't overlap because they're each only . // half (or less) of the original slice. -- line 986 ---------------------------------------- -- line 1005 ---------------------------------------- . // this check tells LLVM that the indexing below is . // in-bounds. Then after inlining -- once the actual . // lengths of the slices are known -- it's removed. . // FIXME(const_trait_impl) replace with let (a, b) = (&mut a[..n], &mut b[..n]); . let (a, _) = a.split_at_mut(n); . let (b, _) = b.split_at_mut(n); . . let mut i = 0; 23 ( 0.00%) while i < n { 35 ( 0.00%) mem::swap(&mut a[i], &mut b[n - 1 - i]); . i += 1; . } . } . } . . /// Returns an iterator over the slice. . /// . /// The iterator yields all items from start to end. -- line 1022 ---------------------------------------- -- line 1391 ---------------------------------------- . /// ``` . #[stable(feature = "slice_as_chunks", since = "1.88.0")] . #[rustc_const_stable(feature = "slice_as_chunks", since = "1.88.0")] . #[inline] . #[track_caller] . #[must_use] . pub const fn as_chunks<#[rustc_panics_when_zero] const N: usize>(&self) -> (&[[T; N]], &[T]) { . assert!(N != 0, "chunk size must be non-zero"); 34 ( 0.00%) let len_rounded_down = self.len() / N * N; . // SAFETY: The rounded-down value is always the same or smaller than the . // original length, and thus must be in-bounds of the slice. . let (multiple_of_n, remainder) = unsafe { self.split_at_unchecked(len_rounded_down) }; . // SAFETY: We already panicked for zero, and ensured by construction . // that the length of the subslice is a multiple of N. . let array_slice = unsafe { multiple_of_n.as_chunks_unchecked() }; . (array_slice, remainder) . } -- line 1407 ---------------------------------------- -- line 2054 ---------------------------------------- . . assert_unsafe_precondition!( . check_library_ub, . "slice::split_at_unchecked requires the index to be within the slice", . (mid: usize = mid, len: usize = len) => mid <= len, . ); . . // SAFETY: Caller has to check that `0 <= mid <= self.len()` 51 ( 0.00%) unsafe { (from_raw_parts(ptr, mid), from_raw_parts(ptr.add(mid), unchecked_sub(len, mid))) } . } . . /// Divides one mutable slice into two at an index, without doing bounds checking. . /// . /// The first will contain all indices from `[0, mid)` (excluding . /// the index `mid` itself) and the second will contain all . /// indices from `[mid, len)` (excluding the index `len` itself). . /// -- line 2070 ---------------------------------------- -- line 2110 ---------------------------------------- . . // SAFETY: Caller has to check that `0 <= mid <= self.len()`. . // . // `[ptr; mid]` and `[mid; len]` are not overlapping, so returning a mutable reference . // is fine. . unsafe { . ( . from_raw_parts_mut(ptr, mid), 160 ( 0.00%) from_raw_parts_mut(ptr.add(mid), unchecked_sub(len, mid)), . ) . } . } . . /// Divides one slice into two at an index, returning `None` if the slice is . /// too short. . /// . /// If `mid ≤ len` returns a pair of slices where the first will contain all -- line 2126 ---------------------------------------- -- line 2155 ---------------------------------------- . /// . /// assert_eq!(None, v.split_at_checked(7)); . /// ``` . #[stable(feature = "split_at_checked", since = "1.80.0")] . #[rustc_const_stable(feature = "split_at_checked", since = "1.80.0")] . #[inline] . #[must_use] . pub const fn split_at_checked(&self, mid: usize) -> Option<(&[T], &[T])> { 1,425 ( 0.00%) if mid <= self.len() { . // SAFETY: `[ptr; mid]` and `[mid; len]` are inside `self`, which . // fulfills the requirements of `split_at_unchecked`. . Some(unsafe { self.split_at_unchecked(mid) }) . } else { . None . } . } . -- line 2171 ---------------------------------------- -- line 2194 ---------------------------------------- . /// . /// assert_eq!(None, v.split_at_mut_checked(7)); . /// ``` . #[stable(feature = "split_at_checked", since = "1.80.0")] . #[rustc_const_stable(feature = "const_slice_split_at_mut", since = "1.83.0")] . #[inline] . #[must_use] . pub const fn split_at_mut_checked(&mut self, mid: usize) -> Option<(&mut [T], &mut [T])> { 646 ( 0.00%) if mid <= self.len() { . // SAFETY: `[ptr; mid]` and `[mid; len]` are inside `self`, which . // fulfills the requirements of `split_at_unchecked`. . Some(unsafe { self.split_at_mut_unchecked(mid) }) . } else { . None . } . } . -- line 2210 ---------------------------------------- -- line 2627 ---------------------------------------- . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[must_use] . pub fn starts_with(&self, needle: &[T]) -> bool . where . T: PartialEq, . { . let n = needle.len(); 45,838 ( 0.00%) self.len() >= n && needle == &self[..n] . } . . /// Returns `true` if `needle` is a suffix of the slice or equal to the slice. . /// . /// # Examples . /// . /// ``` . /// let v = [10, 40, 30]; -- line 2643 ---------------------------------------- -- line 2658 ---------------------------------------- . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[must_use] . pub fn ends_with(&self, needle: &[T]) -> bool . where . T: PartialEq, . { . let (m, n) = (self.len(), needle.len()); 42,181 ( 0.00%) m >= n && needle == &self[m - n..] . } . . /// Returns a subslice with the prefix removed. . /// . /// If the slice starts with `prefix`, returns the subslice after the prefix, wrapped in `Some`. . /// If `prefix` is empty, simply returns the original slice. If `prefix` is equal to the . /// original slice, returns an empty slice. . /// -- line 2674 ---------------------------------------- -- line 3252 ---------------------------------------- . /// [total order]: https://en.wikipedia.org/wiki/Total_order . #[stable(feature = "sort_unstable", since = "1.20.0")] . #[inline] . pub fn sort_unstable_by_key(&mut self, mut f: F) . where . F: FnMut(&T) -> K, . K: Ord, . { 96 ( 0.00%) sort::unstable::sort(self, &mut |a, b| f(a).lt(&f(b))); . } . . /// Partially sorts the slice in ascending order **without** preserving the initial order of equal elements. . /// . /// Upon completion, for the specified range `start..end`, it's guaranteed that: . /// . /// 1. Every element in `self[..start]` is smaller than or equal to . /// 2. Every element in `self[start..end]`, which is sorted, and smaller than or equal to -- line 3268 ---------------------------------------- 19,942 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unused_unit.rs -------------------------------------------------------------------------------- Ir -- line 46 ---------------------------------------- . &mut self, . cx: &LateContext<'tcx>, . kind: FnKind<'tcx>, . decl: &'tcx FnDecl<'tcx>, . body: &'tcx Body<'tcx>, . span: Span, . _def_id: LocalDefId, . ) { 1,070 ( 0.00%) if let FnRetTy::Return(hir_ty) = decl.output 6 ( 0.00%) && is_unit_ty(hir_ty) . && !hir_ty.span.from_expansion() . && get_def(span) == get_def(hir_ty.span) . { . // The explicit `-> ()` in the closure signature might be necessary for multiple reasons: . // - Implicit types in closure signatures are forbidden when `for<...>` is present . // - If the closure body ends with a function call, and that function's return type is generic, the . // `-> ()` could be required for it to be inferred . // -- line 63 ---------------------------------------- -- line 75 ---------------------------------------- . && let Some(expr) = block.expr . && is_never_expr(cx, expr).is_some() . { . return; . } . . lint_unneeded_unit_return(cx, hir_ty.span, span); . } 422 ( 0.00%) } . . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 260,800 ( 0.00%) if let ExprKind::Ret(Some(expr)) | ExprKind::Break(_, Some(expr)) = expr.kind . && is_unit_expr(expr) . && !expr.span.from_expansion() . { . span_lint_and_sugg( . cx, . UNUSED_UNIT, . expr.span, . "unneeded `()`", . "remove the `()`", . String::new(), . Applicability::MachineApplicable, . ); . } 52,045 ( 0.00%) } . 60 ( 0.00%) fn check_poly_trait_ref(&mut self, cx: &LateContext<'tcx>, poly: &'tcx PolyTraitRef<'tcx>) { 40 ( 0.00%) if let [segment] = &poly.trait_ref.path.segments 40 ( 0.00%) && matches!(segment.ident.name, sym::Fn | sym::FnMut | sym::FnOnce) 3 ( 0.00%) && let Some(args) = segment.args 1 ( 0.00%) && args.parenthesized == GenericArgsParentheses::ParenSugar 3 ( 0.00%) && let [constraint] = &args.constraints 1 ( 0.00%) && constraint.ident.name == sym::Output 5 ( 0.00%) && let AssocItemConstraintKind::Equality { term: Term::Ty(hir_ty) } = constraint.kind 3 ( 0.00%) && args.span_ext.hi() != poly.span.hi() 2 ( 0.00%) && !hir_ty.span.from_expansion() 3 ( 0.00%) && args.span_ext.hi() != hir_ty.span.hi() . && is_unit_ty(hir_ty) . { . lint_unneeded_unit_return(cx, hir_ty.span, poly.span); . } 70 ( 0.00%) } . } . . impl EarlyLintPass for UnusedUnit { . /// Check for unit expressions in blocks. This is left in the early pass because some macros . /// expand its inputs as-is, making it invisible to the late pass. See #4076. 8,696 ( 0.00%) fn check_block(&mut self, cx: &EarlyContext<'_>, block: &Block) { . if let Some(stmt) = block.stmts.last() 4,274 ( 0.00%) && let StmtKind::Expr(expr) = &stmt.kind 5,226 ( 0.00%) && let rustc_ast::ExprKind::Tup(inner) = &expr.kind 15 ( 0.00%) && inner.is_empty() . && let ctxt = block.span.ctxt() . && stmt.span.ctxt() == ctxt . && expr.span.ctxt() == ctxt . && expr.attrs.is_empty() . { . let sp = expr.span; . span_lint_and_sugg( . cx, -- line 135 ---------------------------------------- -- line 136 ---------------------------------------- . UNUSED_UNIT, . sp, . "unneeded unit expression", . "remove the final `()`", . String::new(), . Applicability::MachineApplicable, . ); . } 10,870 ( 0.00%) } . } . . fn is_unit_ty(ty: &Ty<'_>) -> bool { 460 ( 0.00%) matches!(ty.kind, TyKind::Tup([])) . } . . // get the def site . #[must_use] . fn get_def(span: Span) -> Option { . if span.from_expansion() { . Some(span.ctxt().outer_expn_data().def_site) . } else { -- line 156 ---------------------------------------- 6,653 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/non_copy_const.rs -------------------------------------------------------------------------------- Ir -- line 191 ---------------------------------------- . (Self::Maybe, _) | (_, Self::Maybe) => Some(Self::Maybe), . (Self::Yes, Self::Yes) => Some(Self::Yes), . }) . .unwrap_or(Self::No) . } . . /// Checks if this is definitely `Freeze`. . fn is_freeze(self) -> bool { 134 ( 0.00%) matches!(self, Self::Yes) . } . . /// Checks if this is definitely not `Freeze`. . fn is_not_freeze(self) -> bool { . matches!(self, Self::No) . } . } . -- line 207 ---------------------------------------- -- line 259 ---------------------------------------- . ignore_tys: DefIdSet, . // Cache checked types. We can recurse through a type multiple times so this . // can be hit quite frequently. . freeze_tys: FxHashMap, IsFreeze>, . } . . impl<'tcx> NonCopyConst<'tcx> { . pub fn new(tcx: TyCtxt<'tcx>, conf: &'static Conf) -> Self { 4 ( 0.00%) Self { . ignore_tys: conf . .ignore_interior_mutability . .iter() 16 ( 0.00%) .flat_map(|ignored_ty| lookup_path_str(tcx, PathNS::Type, ignored_ty)) 96,088 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/paths.rs:clippy_utils::paths::lookup_path_str (4x) . .collect(), . freeze_tys: FxHashMap::default(), . } . } . . /// Checks if a value of the given type is `Freeze`, or may be depending on the value. 2,028 ( 0.00%) fn is_ty_freeze(&mut self, tcx: TyCtxt<'tcx>, typing_env: TypingEnv<'tcx>, ty: Ty<'tcx>) -> IsFreeze { . // FIXME: this should probably be using the trait solver . let ty = tcx . .try_normalize_erasing_regions(typing_env, Unnormalized::new_wip(ty)) . .unwrap_or(ty); . match self.freeze_tys.entry(ty) { 334 ( 0.00%) Entry::Occupied(e) => *e.get(), . Entry::Vacant(e) => { . let e = e.insert(IsFreeze::Yes); 12 ( 0.00%) if ty.is_freeze(tcx, typing_env) { 3,183 ( 0.00%) => ???:::is_freeze (2x) . return IsFreeze::Yes; . } . let is_freeze = match *ty.kind() { . ty::Adt(adt, _) if adt.is_unsafe_cell() => { . *e = IsFreeze::No; . return IsFreeze::No; . }, . ty::Adt(adt, _) if self.ignore_tys.contains(&adt.did()) => return IsFreeze::Yes, -- line 295 ---------------------------------------- -- line 331 ---------------------------------------- . }, . }; . if !is_freeze.is_freeze() { . self.freeze_tys.insert(ty, is_freeze); . } . is_freeze . }, . } 1,352 ( 0.00%) } . . /// Checks if the given constant value is `Freeze`. Returns `Err` if the constant . /// cannot be read, but the result depends on the value. . fn is_value_freeze( . &mut self, . tcx: TyCtxt<'tcx>, . typing_env: TypingEnv<'tcx>, . ty: Ty<'tcx>, -- line 347 ---------------------------------------- -- line 709 ---------------------------------------- . _ => return None, . }; . src_expr = use_expr; . } . } . } . . impl<'tcx> LateLintPass<'tcx> for NonCopyConst<'tcx> { 4,186 ( 0.00%) fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { 1,196 ( 0.00%) if let ItemKind::Const(ident, .., ct_rhs) = item.kind 36 ( 0.00%) && !ident.is_special() 210 ( 0.00%) && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity().skip_norm_wip() 350 ( 0.00%) && match self.is_ty_freeze(cx.tcx, cx.typing_env(), ty) { 2,065 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/non_copy_const.rs:::is_ty_freeze (35x) 735 ( 0.00%) => ???:::typing_env (35x) . IsFreeze::No => true, . IsFreeze::Yes => false, . IsFreeze::Maybe => match cx.tcx.const_eval_poly(item.owner_id.to_def_id()) { . Ok(val) if let Ok(is_freeze) = self.is_value_freeze(cx.tcx, cx.typing_env(), ty, val) => !is_freeze, . // FIXME: we just assume mgca rhs's are freeze . _ => const_item_rhs_to_expr(cx.tcx, ct_rhs).is_some_and(|e| !self.is_init_expr_freeze( . cx.tcx, . cx.typing_env(), -- line 729 ---------------------------------------- -- line 749 ---------------------------------------- . if implements_trait(cx, ty, sync_trait, &[]) { . diag.help("did you mean to make this a `static` item"); . } else { . diag.help("did you mean to make this a `thread_local!` item"); . } . }, . ); . } 4,784 ( 0.00%) } . . fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx TraitItem<'_>) { . if let TraitItemKind::Const(_, ct_rhs_opt) = item.kind . && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity().skip_norm_wip() . && match self.is_ty_freeze(cx.tcx, cx.typing_env(), ty) { . IsFreeze::No => true, . IsFreeze::Maybe if let Some(ct_rhs) = ct_rhs_opt => { . match cx.tcx.const_eval_poly(item.owner_id.to_def_id()) { -- line 765 ---------------------------------------- -- line 786 ---------------------------------------- . cx, . DECLARE_INTERIOR_MUTABLE_CONST, . item.ident.span, . "named constant with interior mutability", . ); . } . } . 1,001 ( 0.00%) fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'_>) { 286 ( 0.00%) if let ImplItemKind::Const(_, ct_rhs) = item.kind . && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity().skip_norm_wip() . && match self.is_ty_freeze(cx.tcx, cx.typing_env(), ty) { . IsFreeze::Yes => false, . IsFreeze::No => { . // If this is a trait impl, check if the trait definition is the source . // of the cell. . if let Node::Item(parent_item) = cx.tcx.parent_hir_node(item.hir_id()) . && let ItemKind::Impl(impl_block) = parent_item.kind -- line 803 ---------------------------------------- -- line 843 ---------------------------------------- . { . span_lint( . cx, . DECLARE_INTERIOR_MUTABLE_CONST, . item.ident.span, . "named constant with interior mutability", . ); . } 1,144 ( 0.00%) } . 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 127,375 ( 0.00%) if let ExprKind::Path(qpath) = &e.kind . && let typeck = cx.typeck_results() 361,624 ( 0.01%) && let Res::Def(DefKind::Const { .. } | DefKind::AssocConst { .. }, did) = typeck.qpath_res(qpath, e.hir_id) 452,467 ( 0.01%) => ???:::qpath_res (23,285x) . // As of `1.80` constant contexts can't borrow any type with interior mutability 536 ( 0.00%) && !is_in_const_context(cx) 36,623 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (134x) 2,010 ( 0.00%) && !self.is_ty_freeze(cx.tcx, cx.typing_env(), typeck.expr_ty(e)).is_freeze() 11,299 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/non_copy_const.rs:::is_ty_freeze (134x) 5,360 ( 0.00%) => ???:::expr_ty (134x) 4,020 ( 0.00%) => ???:::typing_env (134x) . && let Some(borrow_src) = { . // The extra block helps formatting a lot. . if let Ok(val) = cx.tcx.const_eval_resolve( . cx.typing_env(), . UnevaluatedConst::new(did, typeck.node_args(e.hir_id)), . DUMMY_SP, . ) && let Ok(src) = self.is_non_freeze_val_borrowed(cx.tcx, cx.typing_env(), typeck, e, val) . { -- line 867 ---------------------------------------- -- line 884 ---------------------------------------- . |diag| { . if let Some(note) = borrow_src.cause.note() { . diag.note(note); . } . diag.help("this lint can be silenced by assigning the value to a local variable before borrowing"); . }, . ); . } 416,360 ( 0.01%) } . } . . struct ReplaceAssocFolder<'tcx> { . tcx: TyCtxt<'tcx>, . trait_id: DefId, . self_ty: Ty<'tcx>, . } . impl<'tcx> TypeFolder> for ReplaceAssocFolder<'tcx> { -- line 900 ---------------------------------------- 23,625 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/attr/version.rs -------------------------------------------------------------------------------- Ir . use std::fmt::{self, Display}; . use std::sync::OnceLock; . . use rustc_macros::{BlobDecodable, Encodable, StableHash, current_rustc_version}; . 654,839 ( 0.01%) #[derive(Encodable, BlobDecodable, Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)] . #[derive(StableHash)] . pub struct RustcVersion { . pub major: u16, . pub minor: u16, . pub patch: u16, . } . . impl RustcVersion { -- line 14 ---------------------------------------- 324,672 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_rotate.rs -------------------------------------------------------------------------------- Ir -- line 52 ---------------------------------------- . f.write_str(match self { . Self::Left => "rotate_left", . Self::Right => "rotate_right", . }) . } . } . . fn parse_shift<'tcx>(expr: &'tcx Expr<'tcx>) -> Option<(ShiftDirection, &'tcx Expr<'tcx>, &'tcx Expr<'tcx>)> { 154 ( 0.00%) if let ExprKind::Binary(op, l, r) = expr.kind { . let dir = match op.node { . BinOpKind::Shl => ShiftDirection::Left, . BinOpKind::Shr => ShiftDirection::Right, . _ => return None, . }; . return Some((dir, l, r)); . } . None . } . . impl LateLintPass<'_> for ManualRotate { 364,315 ( 0.01%) fn check_expr<'tcx>(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { 104,905 ( 0.00%) if let ExprKind::Binary(op, l, r) = expr.kind 588 ( 0.00%) && let BinOpKind::Add | BinOpKind::BitOr = op.node . && let Some((l_shift_dir, l_expr, l_amount)) = parse_shift(l) . && let Some((r_shift_dir, r_expr, r_amount)) = parse_shift(r) . && l_shift_dir != r_shift_dir . && let ctxt = expr.span.ctxt() . && clippy_utils::eq_expr_value(cx, ctxt, l_expr, r_expr) . && let Some(bit_width) = match cx.typeck_results().expr_ty(expr).kind() { . ty::Int(itype) => itype.bit_width(), . ty::Uint(itype) => itype.bit_width(), -- line 82 ---------------------------------------- -- line 130 ---------------------------------------- . expr.span, . "this expression can be rewritten as", . format!("{expr_sugg}.{shift_function}({amount})"), . applicability, . ); . }, . ); . } 416,360 ( 0.01%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/combined_late_pass.rs -------------------------------------------------------------------------------- Ir -- line 16 ---------------------------------------- . pub struct Gated

{ . pub(crate) active: bool, . pub(crate) pass: P, . } . . impl Gated

{ . #[inline] . pub fn new bool>(is_active: &F, pass: P) -> Self { 70 ( 0.00%) let active = is_active(&pass.get_lints()); 368 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint_defs/src/lib.rs:::get_lints (1x) 361 ( 0.00%) Gated { active, pass } 90 ( 0.00%) => ???:0x0000000000173dc0 (3x) . } . } . . /// Run one field's `check_*`, if that field is active. . /// . /// Fully qualified through [`rustc_lint::LateLintPass`] since some passes impl . /// both `EarlyLintPass` and `LateLintPass` with like-named methods, which would . /// be ambiguous on the concrete field type. The args arrive as one `tt` and are . /// re-parsed here so the per-field and per-argument repetitions never share a . /// nesting level. . #[macro_export] . macro_rules! run_combined_late_lint_pass_field { . ($self:ident, $field:ident, $name:ident, ($($arg:expr),* $(,)?)) => { 25,762,371 ( 0.48%) if $self.$field.active { 22,383,237 ( 0.41%) rustc_lint::LateLintPass::$name(&mut $self.$field.pass, $($arg),*); 5,560,482 ( 0.10%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/macro_metavars_in_unsafe.rs:::check_body (460x) 303,938 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/ptr/mod.rs:::check_body (460x) 238,889 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/only_used_in_recursion.rs:::check_body (460x) . } . }; . } . . /// Forward one `check_*` method to every field of the combined pass. . #[macro_export] . macro_rules! expand_combined_late_lint_pass_method { . ([$($field:ident),*], $self:ident, $name:ident, $args:tt) => ({ -- line 48 ---------------------------------------- -- line 50 ---------------------------------------- . }) . } . . /// Generate the combined `LateLintPass` impl's `check_*` methods, one per method . /// in rustc's late-pass method list. . #[macro_export] . macro_rules! expand_combined_late_lint_pass_methods { . ($fields:tt, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),*);)*]) => ( 1,967,101 ( 0.04%) $(#[inline(always)] fn $name(&mut self, cx: &rustc_lint::LateContext<'tcx>, $($param: $arg),*) { . $crate::expand_combined_late_lint_pass_method!($fields, self, $name, (cx, $($param),*)); 1,088,772 ( 0.02%) })* . ) . } . . /// Declare the combined struct (one [`Gated`] field per pass) plus its . /// `LintPass`/`LateLintPass` impls. The method list comes from . /// `rustc_lint::late_lint_methods!` so it can't drift from rustc's. . /// . /// Each entry is `Field: Type = constructor`; `new`'s params (`tcx`, `conf`, ...) -- line 68 ---------------------------------------- -- line 74 ---------------------------------------- . $methods:tt . ) => { . #[allow(non_snake_case)] . pub struct $name<'tcx> { . $($field: $crate::combined_late_pass::Gated<$fty>,)* . } . . impl<'tcx> $name<'tcx> { 17 ( 0.00%) pub fn new bool>($($pname: $pty,)* is_active: &F) -> Self { 55 ( 0.00%) Self { 9 ( 0.00%) $($field: $crate::combined_late_pass::Gated::new(is_active, $ctor),)* . } 8 ( 0.00%) } . } . . #[allow(rustc::lint_pass_impl_without_macro)] . impl<'tcx> rustc_lint::LintPass for $name<'tcx> { . fn name(&self) -> &'static str { . stringify!($name) . } 10 ( 0.00%) fn get_lints(&self) -> rustc_lint::LintVec { 1 ( 0.00%) => ???:std::exception::~exception() (1x) . // Reserve at least one slot per pass up front to skip the early reallocations. . let mut lints = Vec::with_capacity([$(stringify!($field)),*].len()); 3 ( 0.00%) $(lints.extend(self.$field.pass.get_lints());)* 368 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint_defs/src/lib.rs:::get_lints (1x) 3 ( 0.00%) lints 9 ( 0.00%) } . } . . impl<'tcx> rustc_lint::LateLintPass<'tcx> for $name<'tcx> { . $crate::expand_combined_late_lint_pass_methods!([$($field),*], $methods); . } . }; . } 373,222 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/almost_complete_range.rs -------------------------------------------------------------------------------- Ir -- line 36 ---------------------------------------- . } . impl AlmostCompleteRange { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . impl EarlyLintPass for AlmostCompleteRange { . fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &Expr) { 98,885 ( 0.00%) if let ExprKind::Range(Some(start), Some(end), RangeLimits::HalfOpen) = &e.kind 42 ( 0.00%) && is_incomplete_range(start, end) 96 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/almost_complete_range.rs:clippy_lints::almost_complete_range::is_incomplete_range (6x) . && !e.span.in_external_macro(cx.sess().source_map()) . { . span_lint_and_then( . cx, . ALMOST_COMPLETE_RANGE, . e.span, . "almost complete ascii range", . |diag| { -- line 53 ---------------------------------------- -- line 61 ---------------------------------------- . "use an inclusive range", . "..=".to_owned(), . Applicability::MaybeIncorrect, . ); . } . }, . ); . } 49,390 ( 0.00%) } . 28,752 ( 0.00%) fn check_pat(&mut self, cx: &EarlyContext<'_>, p: &Pat) { 9,584 ( 0.00%) if let PatKind::Range(Some(start), Some(end), kind) = &p.kind . && matches!(kind.node, RangeEnd::Excluded) . && is_incomplete_range(start, end) . && !p.span.in_external_macro(cx.sess().source_map()) . { . span_lint_and_then( . cx, . ALMOST_COMPLETE_RANGE, . p.span, -- line 80 ---------------------------------------- -- line 88 ---------------------------------------- . } else { . "...".to_owned() . }, . Applicability::MaybeIncorrect, . ); . }, . ); . } 33,544 ( 0.00%) } . . extract_msrv_attr!(); . } . 12 ( 0.00%) fn is_incomplete_range(start: &Expr, end: &Expr) -> bool { 24 ( 0.00%) match (&start.peel_parens().kind, &end.peel_parens().kind) { . (&ExprKind::Lit(start_lit), &ExprKind::Lit(end_lit)) => { . matches!( . (LitKind::from_token_lit(start_lit), LitKind::from_token_lit(end_lit),), . ( . Ok(LitKind::Byte(b'a') | LitKind::Char('a')), . Ok(LitKind::Byte(b'z') | LitKind::Char('z')) . ) | ( . Ok(LitKind::Byte(b'A') | LitKind::Char('A')), -- line 110 ---------------------------------------- -- line 112 ---------------------------------------- . ) | ( . Ok(LitKind::Byte(b'0') | LitKind::Char('0')), . Ok(LitKind::Byte(b'9') | LitKind::Char('9')), . ) . ) . }, . _ => false, . } 18 ( 0.00%) } 300 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/functions/result.rs -------------------------------------------------------------------------------- Ir -- line 10 ---------------------------------------- . use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_then}; . use clippy_utils::ty::{AdtVariantInfo, approx_ty_size}; . use clippy_utils::{is_no_std_crate, trait_ref_of_method}; . . use super::{RESULT_LARGE_ERR, RESULT_UNIT_ERR}; . . /// The type of the `Err`-variant in a `std::result::Result` returned by the . /// given `FnDecl` 3,157 ( 0.00%) fn result_err_ty<'tcx>( . cx: &LateContext<'tcx>, . decl: &hir::FnDecl<'tcx>, . id: hir::def_id::LocalDefId, . item_span: Span, . ) -> Option<(&'tcx hir::Ty<'tcx>, Ty<'tcx>)> { 1,148 ( 0.00%) if !item_span.in_external_macro(cx.sess().source_map()) . && let hir::FnRetTy::Return(hir_ty) = decl.output . { . let mut ty = cx . .tcx 1,085 ( 0.00%) .instantiate_bound_regions_with_erased(cx.tcx.fn_sig(id).instantiate_identity().skip_norm_wip().output()); 49,489 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased:: (217x) . . // for async functions, peel through `impl Future` to get `T` 1,085 ( 0.00%) if cx.tcx.ty_is_opaque_future(ty) 3,906 ( 0.00%) => ???:::ty_is_opaque_future (217x) . && let Some(future_output_ty) = cx.tcx.get_impl_future_output_ty(ty) . { . ty = future_output_ty; . } . 434 ( 0.00%) if let ty::Adt(adt_def, args) = ty.kind() 978 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::Result, adt_def.did()) 9,739 ( 0.00%) => ???:::is_diagnostic_item (163x) . { 19 ( 0.00%) let err_ty = args.type_at(1); . return Some((hir_ty, err_ty)); . } . } . None 2,583 ( 0.00%) } . 5,382 ( 0.00%) pub(super) fn check_item<'tcx>( . cx: &LateContext<'tcx>, . item: &hir::Item<'tcx>, . large_err_threshold: u64, . large_err_ignored: &DefIdSet, . msrv: Msrv, . ) { 1,196 ( 0.00%) if let hir::ItemKind::Fn { ref sig, .. } = item.kind 1,728 ( 0.00%) && let Some((hir_ty, err_ty)) = result_err_ty(cx, sig.decl, item.owner_id.def_id, item.span) 47,912 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/functions/result.rs:clippy_lints::functions::result::result_err_ty (144x) . { 70 ( 0.00%) if cx.effective_visibilities.is_exported(item.owner_id.def_id) { 675 ( 0.00%) => ???:::is_exported (14x) . let fn_header_span = item.span.with_hi(sig.decl.output.span().hi()); . check_result_unit_err(cx, err_ty, fn_header_span, msrv); . } 98 ( 0.00%) check_result_large_err(cx, err_ty, hir_ty.span, large_err_threshold, large_err_ignored, false); 42,636 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/functions/result.rs:clippy_lints::functions::result::check_result_large_err (14x) . } 4,784 ( 0.00%) } . 1,287 ( 0.00%) pub(super) fn check_impl_item<'tcx>( . cx: &LateContext<'tcx>, . item: &hir::ImplItem<'tcx>, . large_err_threshold: u64, . large_err_ignored: &DefIdSet, . msrv: Msrv, . ) { . // Don't lint if method is a trait's implementation, we can't do anything about those 286 ( 0.00%) if let hir::ImplItemKind::Fn(ref sig, _) = item.kind 1,716 ( 0.00%) && let Some((hir_ty, err_ty)) = result_err_ty(cx, sig.decl, item.owner_id.def_id, item.span) 66,559 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/functions/result.rs:clippy_lints::functions::result::result_err_ty (143x) 20 ( 0.00%) && trait_ref_of_method(cx, item.owner_id).is_none() 945 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::trait_ref_of_method (5x) . { 10 ( 0.00%) if cx.effective_visibilities.is_exported(item.owner_id.def_id) { 114 ( 0.00%) => ???:::is_exported (2x) . let fn_header_span = item.span.with_hi(sig.decl.output.span().hi()); . check_result_unit_err(cx, err_ty, fn_header_span, msrv); . } 14 ( 0.00%) check_result_large_err(cx, err_ty, hir_ty.span, large_err_threshold, large_err_ignored, false); 3,726 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/functions/result.rs:clippy_lints::functions::result::check_result_large_err (2x) . } 1,144 ( 0.00%) } . . pub(super) fn check_trait_item<'tcx>( . cx: &LateContext<'tcx>, . item: &hir::TraitItem<'tcx>, . large_err_threshold: u64, . large_err_ignored: &DefIdSet, . msrv: Msrv, . ) { -- line 92 ---------------------------------------- -- line 109 ---------------------------------------- . fn_header_span, . "this returns a `Result<_, ()>`", . None, . "use a custom `Error` type instead", . ); . } . } . 264 ( 0.00%) fn check_result_large_err<'tcx>( . cx: &LateContext<'tcx>, . err_ty: Ty<'tcx>, . hir_ty_span: Span, . large_err_threshold: u64, . large_err_ignored: &DefIdSet, . is_closure: bool, . ) { 44 ( 0.00%) if let ty::Adt(adt, _) = err_ty.kind() 21 ( 0.00%) && large_err_ignored.contains(&adt.did()) . { . return; . } . 199 ( 0.00%) let subject = if is_closure { "closure" } else { "function" }; . if let ty::Adt(adt, subst) = err_ty.kind() . && let Some(local_def_id) = adt.did().as_local() 4 ( 0.00%) && let hir::Node::Item(item) = cx.tcx.hir_node_by_def_id(local_def_id) 2 ( 0.00%) && let hir::ItemKind::Enum(_, _, ref def) = item.kind . { . let variants_size = AdtVariantInfo::new(cx, *adt, subst); . if let Some((first_variant, variants)) = variants_size.split_first() . && first_variant.size >= large_err_threshold . { . span_lint_and_then( . cx, . RESULT_LARGE_ERR, -- line 143 ---------------------------------------- -- line 162 ---------------------------------------- . } . } . . diag.help(format!("try reducing the size of `{err_ty}`, for example by boxing large elements or replacing it with `Box<{err_ty}>`")); . }, . ); . } . } else { 67 ( 0.00%) let ty_size = approx_ty_size(cx, err_ty); 59,352 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::approx_ty_size (22x) 45 ( 0.00%) if ty_size >= large_err_threshold { . span_lint_and_then( . cx, . RESULT_LARGE_ERR, . hir_ty_span, . format!("the `Err`-variant returned from this {subject} is very large"), . |diag: &mut Diag<'_, ()>| { . diag.span_label(hir_ty_span, format!("the `Err`-variant is at least {ty_size} bytes")); . diag.help(format!("try reducing the size of `{err_ty}`, for example by boxing large elements or replacing it with `Box<{err_ty}>`")); . }, . ); . } . } 176 ( 0.00%) } . 364,315 ( 0.01%) pub(super) fn check_expr<'tcx>( . cx: &LateContext<'tcx>, . expr: &'tcx hir::Expr<'tcx>, . large_err_threshold: u64, . large_err_ignored: &DefIdSet, . ) { 104,090 ( 0.00%) if let hir::ExprKind::Closure(closure) = expr.kind 405 ( 0.00%) && let ty::Closure(_, args) = cx.typeck_results().expr_ty(expr).kind() 5,412 ( 0.00%) => ???:::expr_ty (135x) 135 ( 0.00%) && let closure_sig = args.as_closure().sig() . && let Ok(err_binder) = closure_sig.output().try_map_bound(|output_ty| { 270 ( 0.00%) if let ty::Adt(adt, args) = output_ty.kind() 210 ( 0.00%) && let [_, err_arg] = args.as_slice() 8 ( 0.00%) && let Some(err_ty) = err_arg.as_type() 32 ( 0.00%) && adt.is_diag_item(cx, sym::Result) . { . return Ok(err_ty); . } . . Err(()) . }) . { 18 ( 0.00%) let err_ty = cx.tcx.instantiate_bound_regions_with_erased(err_binder); 162 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased:: (6x) 18 ( 0.00%) let hir_ty_span = match closure.fn_decl.output { . hir::FnRetTy::Return(hir_ty) => hir_ty.span, 6 ( 0.00%) hir::FnRetTy::DefaultReturn(_) => expr.span, . }; 78 ( 0.00%) check_result_large_err(cx, err_ty, hir_ty_span, large_err_threshold, large_err_ignored, true); 14,043 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/functions/result.rs:clippy_lints::functions::result::check_result_large_err (6x) . } 416,312 ( 0.01%) } 927 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/consts.rs -------------------------------------------------------------------------------- Ir -- line 120 ---------------------------------------- . IntTy::I64 => 64, . IntTy::I128 => 128, . IntTy::Isize => isize::BITS.into(), . } . } . } . . impl PartialEq for Constant { 132 ( 0.00%) fn eq(&self, other: &Self) -> bool { 165 ( 0.00%) match (self, other) { . (Self::Str(ls), Self::Str(rs)) => ls == rs, . (Self::Binary(l), Self::Binary(r)) => l == r, . (&Self::Char(l), &Self::Char(r)) => l == r, 8 ( 0.00%) (&Self::Int(l), &Self::Int(r)) => l == r, . (&Self::F64(l), &Self::F64(r)) => { . // `to_bits` is required to catch non-matching `0.0` and `-0.0`. . l.to_bits() == r.to_bits() && !l.is_nan() . }, . (&Self::F32(l), &Self::F32(r)) => { . // `to_bits` is required to catch non-matching `0.0` and `-0.0`. . l.to_bits() == r.to_bits() && !l.is_nan() . }, 3 ( 0.00%) (&Self::Bool(l), &Self::Bool(r)) => l == r, . (&Self::Vec(ref l), &Self::Vec(ref r)) | (&Self::Tuple(ref l), &Self::Tuple(ref r)) => l == r, . (Self::Repeat(lv, ls), Self::Repeat(rv, rs)) => ls == rs && lv == rv, . (Self::Ref(lb), Self::Ref(rb)) => *lb == *rb, . // TODO: are there inter-type equalities? . _ => false, . } 66 ( 0.00%) } . } . . impl Hash for Constant { 8,390 ( 0.00%) fn hash(&self, state: &mut H) . where . H: Hasher, . { . std::mem::discriminant(self).hash(state); 4,195 ( 0.00%) match *self { . Self::Adt(ref elem) => { . elem.hash(state); . }, . Self::Str(ref s) => { . s.hash(state); . }, . Self::Binary(ref b) => { . b.hash(state); -- line 166 ---------------------------------------- -- line 179 ---------------------------------------- . f64::from(f).to_bits().hash(state); . }, . Self::F64(f) => { . f.to_bits().hash(state); . }, . Self::F128(f) => { . f.hash(state); . }, 14 ( 0.00%) Self::Bool(b) => { . b.hash(state); . }, . Self::Vec(ref v) | Self::Tuple(ref v) => { . v.hash(state); . }, . Self::Repeat(ref c, l) => { . c.hash(state); . l.hash(state); -- line 195 ---------------------------------------- -- line 197 ---------------------------------------- . Self::RawPtr(u) => { . u.hash(state); . }, . Self::Ref(ref r) => { . r.hash(state); . }, . Self::Err => {}, . } 5,034 ( 0.00%) } . } . . impl Constant { . pub fn partial_cmp(tcx: TyCtxt<'_>, cmp_type: Ty<'_>, left: &Self, right: &Self) -> Option { . match (left, right) { . (Self::Str(ls), Self::Str(rs)) => Some(ls.cmp(rs)), . (Self::Char(l), Self::Char(r)) => Some(l.cmp(r)), . (&Self::Int(l), &Self::Int(r)) => match *cmp_type.kind() { -- line 213 ---------------------------------------- -- line 272 ---------------------------------------- . _ => None, . } . } else { . None . } . } . . #[must_use] 32 ( 0.00%) pub fn peel_refs(mut self) -> Self { 12 ( 0.00%) while let Constant::Ref(r) = self { . self = *r; . } 16 ( 0.00%) self 28 ( 0.00%) } . . fn parse_f16(s: &str) -> Self { . let f: Half = s.parse().unwrap(); . Self::F16(f.to_bits().try_into().unwrap()) . } . . fn parse_f128(s: &str) -> Self { . let f: Quad = s.parse().unwrap(); -- line 293 ---------------------------------------- -- line 410 ---------------------------------------- . Constant::F32(x) => x == f32::NEG_INFINITY, . Constant::F64(x) => x == f64::NEG_INFINITY, . _ => false, . } . } . } . . /// Parses a `LitKind` to a `Constant`. 6,776 ( 0.00%) pub fn lit_to_mir_constant(lit: &LitKind, ty: Option>) -> Constant { 4,840 ( 0.00%) match *lit { 3,296 ( 0.00%) LitKind::Str(ref is, _) => Constant::Str(is.to_string()), . LitKind::Byte(b) => Constant::Int(u128::from(b)), 27 ( 0.00%) LitKind::ByteStr(ref s, _) | LitKind::CStr(ref s, _) => Constant::Binary(s.as_byte_str().to_vec()), 96 ( 0.00%) => ???:::as_byte_str (3x) 20 ( 0.00%) LitKind::Char(c) => Constant::Char(c), 210 ( 0.00%) LitKind::Int(n, _) => Constant::Int(n.get()), . LitKind::Float(ref is, LitFloatType::Suffixed(fty)) => match fty { . // FIXME(f16_f128): just use `parse()` directly when available for `f16`/`f128` . FloatTy::F16 => Constant::parse_f16(is.as_str()), . FloatTy::F32 => Constant::F32(is.as_str().parse().unwrap()), . FloatTy::F64 => Constant::F64(is.as_str().parse().unwrap()), . FloatTy::F128 => Constant::parse_f128(is.as_str()), . }, . LitKind::Float(ref is, LitFloatType::Unsuffixed) => match ty.expect("type of float is known").kind() { . ty::Float(FloatTy::F16) => Constant::parse_f16(is.as_str()), . ty::Float(FloatTy::F32) => Constant::F32(is.as_str().parse().unwrap()), . ty::Float(FloatTy::F64) => Constant::F64(is.as_str().parse().unwrap()), . ty::Float(FloatTy::F128) => Constant::parse_f128(is.as_str()), . _ => bug!(), . }, 160 ( 0.00%) LitKind::Bool(b) => Constant::Bool(b), . LitKind::Err(_) => Constant::Err, . } 7,744 ( 0.00%) } . . /// The source of a constant value. . #[derive(Clone, Copy)] . pub enum ConstantSource { . /// The value is determined solely from the expression. . Local, . /// The value is dependent on another definition that may change independently from the local . /// expression. -- line 450 ---------------------------------------- -- line 527 ---------------------------------------- . pub typeck: &'tcx TypeckResults<'tcx>, . source: Cell, . ctxt: Cell, . } . . impl<'tcx> ConstEvalCtxt<'tcx> { . /// Creates the evaluation context from the lint context. This requires the lint context to be . /// in a body (i.e. `cx.enclosing_body.is_some()`). 1,464 ( 0.00%) pub fn new(cx: &LateContext<'tcx>) -> Self { 1,964 ( 0.00%) Self { 494 ( 0.00%) tcx: cx.tcx, 250 ( 0.00%) typing_env: cx.typing_env(), 60 ( 0.00%) => ???:::typing_env (2x) . typeck: cx.typeck_results(), . source: Cell::new(ConstantSource::Local), . ctxt: Cell::new(SyntaxContext::root()), . } 1,464 ( 0.00%) } . . /// Creates an evaluation context. . pub fn with_env(tcx: TyCtxt<'tcx>, typing_env: ty::TypingEnv<'tcx>, typeck: &'tcx TypeckResults<'tcx>) -> Self { 51,100 ( 0.00%) Self { . tcx, . typing_env, . typeck, . source: Cell::new(ConstantSource::Local), . ctxt: Cell::new(SyntaxContext::root()), . } . } . . /// Attempts to evaluate the expression and returns both the value and whether it's dependant on . /// other items. . pub fn eval_with_source(&self, e: &Expr<'_>, ctxt: SyntaxContext) -> Option<(Constant, ConstantSource)> { . self.source.set(ConstantSource::Local); . self.ctxt.set(ctxt); 24,034 ( 0.00%) self.expr(e).map(|c| (c, self.source.get())) 59,335 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr (586x) . } . . /// Attempts to evaluate the expression. . pub fn eval(&self, e: &Expr<'_>) -> Option { 66 ( 0.00%) self.expr(e) 7,273 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr (66x) . } . . /// Attempts to evaluate the expression without accessing other items. . /// . /// The context argument is the context used to view the evaluated expression. e.g. when . /// evaluating the argument in `f(m!(1))` the context of the call expression should be used. . /// This is need so the const evaluator can see the `m` macro and marke the evaluation as . /// non-local independant of what the macro expands to. 370 ( 0.00%) pub fn eval_local(&self, e: &Expr<'_>, ctxt: SyntaxContext) -> Option { 6,432 ( 0.00%) match self.eval_with_source(e, ctxt) { 3,738 ( 0.00%) Some((x, ConstantSource::Local)) => Some(x), 1,013 ( 0.00%) _ => None, 1,926 ( 0.00%) } 520 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (26x) 370 ( 0.00%) } . . /// Attempts to evaluate the expression as an integer without accessing other items. . /// . /// The context argument is the context used to view the evaluated expression. e.g. when . /// evaluating the argument in `f(m!(1))` the context of the call expression should be used. . /// This is need so the const evaluator can see the `m` macro and marke the evaluation as . /// non-local independant of what the macro expands to. . pub fn eval_full_int(&self, e: &Expr<'_>, ctxt: SyntaxContext) -> Option { -- line 588 ---------------------------------------- -- line 603 ---------------------------------------- . Some(val) . } . }, . PatExprKind::Path(qpath) => self.qpath(qpath, pat_expr.hir_id), . } . } . . fn check_ctxt(&self, ctxt: SyntaxContext) { 16,281 ( 0.00%) if self.ctxt.get() != ctxt { . self.source.set(ConstantSource::NonLocal); . } . } . 77,260 ( 0.00%) fn qpath(&self, qpath: &QPath<'_>, hir_id: HirId) -> Option { . self.fetch_path(qpath, hir_id) 1,260 ( 0.00%) .and_then(|c| mir_to_const(self.tcx, c, self.typeck.node_type(hir_id))) 5,166 ( 0.00%) => ???:::node_type (126x) 4,032 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:clippy_utils::consts::mir_to_const (126x) 61,808 ( 0.00%) } . . /// Simple constant folding: Insert an expression, get a constant or none. 207,732 ( 0.00%) fn expr(&self, e: &Expr<'_>) -> Option { 14,841 ( 0.00%) self.check_ctxt(e.span.ctxt()); 89,046 ( 0.00%) match e.kind { . ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr(self.tcx.hir_body(body).value), . ExprKind::DropTemps(e) => self.expr(e), 54,082 ( 0.00%) ExprKind::Path(ref qpath) => self.qpath(qpath, e.hir_id), 1,026,063 ( 0.02%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::qpath (5,477x) 302 ( 0.00%) ExprKind::Block(block, _) => { 302 ( 0.00%) self.check_ctxt(block.span.ctxt()); . self.block(block) . }, 3,872 ( 0.00%) ExprKind::Lit(lit) => { 968 ( 0.00%) self.check_ctxt(lit.span.ctxt()); 6,776 ( 0.00%) Some(lit_to_mir_constant(&lit.node, self.typeck.expr_ty_opt(e))) 222,308 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:clippy_utils::consts::lit_to_mir_constant (951x) 37,125 ( 0.00%) => ???:::expr_ty_opt (951x) . }, 6 ( 0.00%) ExprKind::Array(vec) => self.multi(vec).map(Constant::Vec), 34 ( 0.00%) ExprKind::Tup(tup) => self.multi(tup).map(Constant::Tuple), . ExprKind::Repeat(value, _) => { . let n = match self.typeck.expr_ty(e).kind() { . ty::Array(_, n) => n.try_to_target_usize(self.tcx)?, . _ => span_bug!(e.span, "typeck error"), . }; . self.expr(value).map(|v| Constant::Repeat(Box::new(v), n)) . }, 200 ( 0.00%) ExprKind::Unary(op, operand) => self.expr(operand).and_then(|o| match op { 3,176 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 (40x) . UnOp::Not => self.constant_not(&o, self.typeck.expr_ty(e)), . UnOp::Neg => self.constant_negate(&o, self.typeck.expr_ty(e)), . UnOp::Deref => Some(if let Constant::Ref(r) = o { *r } else { o }), . }), 180 ( 0.00%) ExprKind::If(cond, then, ref otherwise) => self.ifthenelse(cond, then, *otherwise), 510 ( 0.00%) ExprKind::Binary(op, left, right) => { . self.check_ctxt(e.span.ctxt()); . self.binop(op.node, left, right) . }, 4,835 ( 0.00%) ExprKind::Call(callee, []) => { . // We only handle a few const functions for now. 948 ( 0.00%) if let ExprKind::Path(qpath) = &callee.kind 1,422 ( 0.00%) && let Some(did) = self.typeck.qpath_res(qpath, callee.hir_id).opt_def_id() 15,761 ( 0.00%) => ???:::qpath_res (235x) . { 1,185 ( 0.00%) match self.tcx.get_diagnostic_name(did) { 10,139 ( 0.00%) => ???:::get_diagnostic_name (235x) . Some(sym::i8_legacy_fn_max_value) => Some(Constant::Int(i8::MAX as u128)), . Some(sym::i16_legacy_fn_max_value) => Some(Constant::Int(i16::MAX as u128)), . Some(sym::i32_legacy_fn_max_value) => Some(Constant::Int(i32::MAX as u128)), . Some(sym::i64_legacy_fn_max_value) => Some(Constant::Int(i64::MAX as u128)), . Some(sym::i128_legacy_fn_max_value) => Some(Constant::Int(i128::MAX as u128)), . _ => None, . } . } else { . None . } . }, 30 ( 0.00%) ExprKind::Index(arr, index, _) => self.index(arr, index), 5,943 ( 0.00%) ExprKind::AddrOf(_, _, inner) => self.expr(inner).map(|r| Constant::Ref(Box::new(r))), 282,711 ( 0.01%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 (1,978x) . ExprKind::Field(base, ref field) 3,786 ( 0.00%) if let base_ty = self.typeck.expr_ty(base) 14,088 ( 0.00%) => ???:::expr_ty (351x) 2,768 ( 0.00%) && match self.typeck.expr_adjustments(base) { 14,739 ( 0.00%) => ???:::expr_adjustments (351x) 1,262 ( 0.00%) [] => true, . [.., a] => a.target == base_ty, . } 1,935 ( 0.00%) && let Some(Constant::Adt(constant)) = self.expr(base) 34,562 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 (208x) . && let ty::Adt(adt_def, _) = *base_ty.kind() . && adt_def.is_struct() . && let Some((desired_field, ty)) = . field_of_struct(adt_def, self.tcx, constant, base_ty, field.name) => . { . self.check_ctxt(field.span.ctxt()); . mir_to_const(self.tcx, desired_field, ty) . }, . _ => None, . } 137,303 ( 0.00%) } . . /// Simple constant folding to determine if an expression is an empty slice, str, array, … . /// `None` will be returned if the constness cannot be determined, or if the resolution . /// leaves the local crate. 209 ( 0.00%) pub fn eval_is_empty(&self, e: &Expr<'_>) -> Option { 114 ( 0.00%) match e.kind { . ExprKind::ConstBlock(ConstBlock { body, .. }) => self.eval_is_empty(self.tcx.hir_body(body).value), . ExprKind::DropTemps(e) => self.eval_is_empty(e), . ExprKind::Lit(lit) => { . if is_direct_expn_of(e.span, sym::cfg).is_some() { . None . } else { . match &lit.node { . LitKind::Str(is, _) => Some(is.is_empty()), -- line 705 ---------------------------------------- -- line 713 ---------------------------------------- . if let ty::Array(_, n) = self.typeck.expr_ty(e).kind() { . Some(n.try_to_target_usize(self.tcx)? == 0) . } else { . span_bug!(e.span, "typeck error"); . } . }, . _ => None, . } 133 ( 0.00%) } . . #[expect(clippy::cast_possible_wrap)] . fn constant_not(&self, o: &Constant, ty: Ty<'_>) -> Option { . use self::Constant::{Bool, Int}; . match *o { . Bool(b) => Some(Bool(!b)), . Int(value) => { . let value = !value; -- line 729 ---------------------------------------- -- line 759 ---------------------------------------- . F64(f) => Some(F64(-f)), . _ => None, . } . } . . /// Create `Some(Vec![..])` of all constants, unless there is any . /// non-constant part. . fn multi(&self, vec: &[Expr<'_>]) -> Option> { 76 ( 0.00%) vec.iter().map(|elem| self.expr(elem)).collect::>() 2,168 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 (19x) . } . . /// Lookup a possibly constant expression from an `ExprKind::Path` and apply a function on it. . #[expect(clippy::too_many_lines)] . fn fetch_path(&self, qpath: &QPath<'_>, id: HirId) -> Option { . // Resolve the path to a constant and check if that constant is known to . // not change based on the target. . // . // This should be replaced with an attribute at some point. 30,034 ( 0.00%) let did = match *qpath { . QPath::Resolved(None, path) 21,873 ( 0.00%) if path.span.ctxt() == self.ctxt.get() 7,283 ( 0.00%) && path.segments.iter().all(|s| self.ctxt.get() == s.ident.span.ctxt()) 11,622 ( 0.00%) && let Res::Def(DefKind::Const { .. }, did) = path.res 756 ( 0.00%) && (matches!( 504 ( 0.00%) self.tcx.get_diagnostic_name(did), 5,418 ( 0.00%) => ???:::get_diagnostic_name (126x) . Some( . sym::f32_legacy_const_digits . | sym::f32_legacy_const_epsilon . | sym::f32_legacy_const_infinity . | sym::f32_legacy_const_mantissa_dig . | sym::f32_legacy_const_max . | sym::f32_legacy_const_max_10_exp . | sym::f32_legacy_const_max_exp -- line 791 ---------------------------------------- -- line 827 ---------------------------------------- . | sym::i64_legacy_const_min . | sym::i128_legacy_const_min . | sym::i8_legacy_const_max . | sym::i16_legacy_const_max . | sym::i32_legacy_const_max . | sym::i64_legacy_const_max . | sym::i128_legacy_const_max . ) 126 ( 0.00%) ) || self.tcx.opt_parent(did).is_some_and(|parent| { 378 ( 0.00%) matches!( . parent.opt_diag_name(&self.tcx), . Some( . sym::f16_consts_mod | sym::f32_consts_mod | sym::f64_consts_mod | sym::f128_consts_mod . ) . ) . })) => . { . did . }, . QPath::TypeRelative(ty, const_name) 3,045 ( 0.00%) if let TyKind::Path(QPath::Resolved(None, ty_path)) = ty.kind 1,740 ( 0.00%) && let [.., ty_name] = ty_path.segments . && (matches!( 1,305 ( 0.00%) ty_name.ident.name, 3,517 ( 0.00%) sym::i8 . | sym::i16 . | sym::i32 . | sym::i64 . | sym::i128 . | sym::u8 . | sym::u16 . | sym::u32 . | sym::u64 -- line 859 ---------------------------------------- -- line 869 ---------------------------------------- . && let Some((DefKind::AssocConst { .. }, did)) = self.typeck.type_dependent_def(id) . && self.tcx.inherent_impl_of_assoc(did).is_some() => . { . did . }, . // TODO: revisit when feature `min_generic_const_args` is stabilized. In the meantime, . // `TyCtxt::const_eval_resolve()` will trigger an ICE when evaluating the body of the . // `type const` definition. 28,056 ( 0.00%) _ if let Res::Def( . DefKind::Const { is_type_const: false } | DefKind::AssocConst { is_type_const: false }, 252 ( 0.00%) did, 59,086 ( 0.00%) ) = self.typeck.qpath_res(qpath, id) => 138,538 ( 0.00%) => ???:::qpath_res (7,726x) . { . self.source.set(ConstantSource::NonLocal); . did . }, . _ => return None, . }; . 756 ( 0.00%) let args = self.typeck.node_args(id); 5,081 ( 0.00%) => ???:::node_args (126x) . 252 ( 0.00%) if !args.is_empty() { . let owner_def_id = self.typeck.hir_owner.def_id.to_def_id(); . let identity_args = ty::GenericArgs::identity_for_item(self.tcx, owner_def_id); . // Don't try to fully evaluate consts inside code whose bounds can't be satisfied. . if self . .tcx . .instantiate_and_check_impossible_clauses((owner_def_id, identity_args)) . { . return None; . } . } . 126 ( 0.00%) self.tcx 1,008 ( 0.00%) .const_eval_resolve(self.typing_env, mir::UnevaluatedConst::new(did, args), qpath.span()) 374,859 ( 0.01%) => ???:::const_eval_resolve (126x) 630 ( 0.00%) => ???:::span (126x) . .ok() . } . . fn index(&self, lhs: &'_ Expr<'_>, index: &'_ Expr<'_>) -> Option { 45 ( 0.00%) let lhs = self.expr(lhs); 1,136 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 (6x) 45 ( 0.00%) let index = self.expr(index); 454 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 (6x) . 195 ( 0.00%) match (lhs, index) { . (Some(Constant::Vec(vec)), Some(Constant::Int(index))) => match vec.get(index as usize) { . Some(Constant::F16(x)) => Some(Constant::F16(*x)), . Some(Constant::F32(x)) => Some(Constant::F32(*x)), . Some(Constant::F64(x)) => Some(Constant::F64(*x)), . Some(Constant::F128(x)) => Some(Constant::F128(*x)), . _ => None, . }, . (Some(Constant::Vec(vec)), _) => { -- line 919 ---------------------------------------- -- line 924 ---------------------------------------- . Some(Constant::F64(x)) => Some(Constant::F64(*x)), . Some(Constant::F128(x)) => Some(Constant::F128(*x)), . _ => None, . } . } else { . None . } . }, 15 ( 0.00%) _ => None, . } . } . . /// A block can only yield a constant if it has exactly one constant expression. . fn block(&self, block: &Block<'_>) -> Option { 302 ( 0.00%) if block.stmts.is_empty() 33 ( 0.00%) && let Some(expr) = block.expr . { . // Try to detect any `cfg`ed statements or empty macro expansions. 33 ( 0.00%) let span = block.span.data(); 231 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::data (11x) 11 ( 0.00%) if span.ctxt == SyntaxContext::root() { 35 ( 0.00%) if let Some(expr_span) = walk_span_to_context(expr.span, span.ctxt) 474 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::walk_span_to_context (5x) . && let expr_lo = expr_span.lo() 5 ( 0.00%) && expr_lo >= span.lo 40 ( 0.00%) && let Some(src) = (span.lo..expr_lo).get_source_range(self.tcx) 15 ( 0.00%) && let Some(src) = src.as_str() 140 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::as_str (5x) . { . use rustc_lexer::TokenKind::{BlockComment, LineComment, OpenBrace, Semi, Whitespace}; 15 ( 0.00%) if !tokenize(src, FrontmatterAllowed::No) . .map(|t| t.kind) . .filter(|t| !matches!(t, Whitespace | LineComment { .. } | BlockComment { .. } | Semi)) . .eq([OpenBrace]) . { . self.source.set(ConstantSource::NonLocal); . } . } else { . // Unable to access the source. Assume a non-local dependency. . self.source.set(ConstantSource::NonLocal); . } . } . 44 ( 0.00%) self.expr(expr) 849 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 (11x) . } else { . None . } . } . . fn ifthenelse(&self, cond: &Expr<'_>, then: &Expr<'_>, otherwise: Option<&Expr<'_>>) -> Option { 390 ( 0.00%) if let Some(Constant::Bool(b)) = self.expr(cond) { 4,391 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 (59x) 20 ( 0.00%) if b { . self.expr(then) . } else { . otherwise.as_ref().and_then(|expr| self.expr(expr)) . } . } else { . None . } . } . . #[expect(clippy::too_many_lines)] . fn binop(&self, op: BinOpKind, left: &Expr<'_>, right: &Expr<'_>) -> Option { 850 ( 0.00%) let l = self.expr(left)?; 35,841 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/consts.rs:::expr'2 (159x) . let r = self.expr(right); . match (l, r) { . (Constant::Int(l), Some(Constant::Int(r))) => match *self.typeck.expr_ty_opt(left)?.kind() { . ty::Int(ity) => { . let (ty_min_value, _) = ity.min_max()?; . let bits = ity.bits(); . let l = sext(self.tcx, l, ity); . let r = sext(self.tcx, r, ity); -- line 992 ---------------------------------------- -- line 1095 ---------------------------------------- . (BinOpKind::BitAnd, Constant::Bool(l), Some(Constant::Bool(r))) => Some(Constant::Bool(l & r)), . (BinOpKind::BitOr, Constant::Bool(l), Some(Constant::Bool(r))) => Some(Constant::Bool(l | r)), . _ => None, . }, . } . } . } . 1,134 ( 0.00%) pub fn mir_to_const<'tcx>(tcx: TyCtxt<'tcx>, val: ConstValue, ty: Ty<'tcx>) -> Option { 378 ( 0.00%) match (val, ty.kind()) { 1,260 ( 0.00%) (_, &ty::Adt(adt_def, _)) if adt_def.is_struct() => Some(Constant::Adt(val)), . (ConstValue::Scalar(Scalar::Int(int)), _) => match ty.kind() { . ty::Bool => Some(Constant::Bool(int == ScalarInt::TRUE)), . ty::Uint(_) | ty::Int(_) => Some(Constant::Int(int.to_bits(int.size()))), . ty::Float(FloatTy::F16) => Some(Constant::F16(int.into())), . ty::Float(FloatTy::F32) => Some(Constant::F32(f32::from_bits(int.into()))), . ty::Float(FloatTy::F64) => Some(Constant::F64(f64::from_bits(int.into()))), . ty::Float(FloatTy::F128) => Some(Constant::F128(int.into())), . ty::RawPtr(_, _) => Some(Constant::RawPtr(int.to_bits(int.size()))), -- line 1113 ---------------------------------------- -- line 1134 ---------------------------------------- . FloatTy::F64 => Constant::F64(f64::from_bits(val.to_u64().discard_err()?)), . FloatTy::F128 => Constant::F128(val.to_u128().discard_err()?), . }); . } . Some(Constant::Vec(res)) . }, . _ => None, . } 1,134 ( 0.00%) } . . fn field_of_struct<'tcx>( . adt_def: ty::AdtDef<'tcx>, . tcx: TyCtxt<'tcx>, . value: ConstValue, . ty: Ty<'tcx>, . field: Symbol, . ) -> Option<(ConstValue, Ty<'tcx>)> { -- line 1150 ---------------------------------------- 121,552 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/zombie_processes.rs -------------------------------------------------------------------------------- Ir -- line 53 ---------------------------------------- . pub ZOMBIE_PROCESSES, . suspicious, . "not waiting on a spawned child process" . } . . declare_lint_pass!(ZombieProcesses => [ZOMBIE_PROCESSES]); . . impl<'tcx> LateLintPass<'tcx> for ZombieProcesses { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 208,180 ( 0.00%) if let ExprKind::Call(..) | ExprKind::MethodCall(..) = expr.kind 22,146 ( 0.00%) && let child_ty = cx.typeck_results().expr_ty(expr) 443,860 ( 0.01%) => ???:::expr_ty (11,073x) 6,224 ( 0.00%) && child_ty.is_diag_item(cx, sym::Child) . { . match cx.tcx.parent_hir_node(expr.hir_id) { . Node::LetStmt(local) . if let PatKind::Binding(_, local_id, ..) = local.pat.kind . && let Some(enclosing_block) = get_enclosing_block(cx, expr.hir_id) => . { . let mut vis = WaitFinder { . cx, -- line 72 ---------------------------------------- -- line 110 ---------------------------------------- . .. . }) => { . // Immediately dropped. E.g. `std::process::Command::new("echo").spawn().unwrap();` . check(cx, expr, Cause::NeverWait, true); . }, . _ => {}, . } . } 416,360 ( 0.01%) } . } . . struct MaybeWait(Span); . . /// A visitor responsible for finding a `wait()` call on a local variable. . /// . /// Note that this visitor does NOT explicitly look for `wait()` calls directly, but rather does the . /// inverse -- checking if all uses of the local are either: -- line 126 ---------------------------------------- 11,073 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/alloc.rs -------------------------------------------------------------------------------- Ir -- line 114 ---------------------------------------- . #[stable(feature = "global_alloc", since = "1.28.0")] . #[must_use = "losing the pointer will leak memory"] . #[inline] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . pub unsafe fn alloc(layout: Layout) -> *mut u8 { . unsafe { . // Make sure we don't accidentally allow omitting the allocator shim in . // stable code until it is actually stabilized. 2,405 ( 0.00%) __rust_no_alloc_shim_is_unstable_v2(); 1 ( 0.00%) => ???:std::exception::~exception() (1x) . 32,890 ( 0.00%) __rust_alloc(layout.size(), layout.alignment()) 5,295 ( 0.00%) => ???:__rustc::__rust_alloc (150x) . } . } . . /// Deallocates memory with the global allocator. . /// . /// This function forwards calls to the [`GlobalAlloc::dealloc`] method . /// of the allocator registered with the `#[global_allocator]` attribute . /// if there is one, or the `std` crate’s default. -- line 132 ---------------------------------------- -- line 161 ---------------------------------------- . pub unsafe fn dealloc(ptr: *mut u8, layout: Layout) { . unsafe { dealloc_nonnull(NonNull::new_unchecked(ptr), layout) } . } . . /// Same as [`dealloc`] but when you already have a non-null pointer . #[inline] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . unsafe fn dealloc_nonnull(ptr: NonNull, layout: Layout) { 38,520 ( 0.00%) unsafe { __rust_dealloc(ptr, layout.size(), layout.alignment()) } 114 ( 0.00%) => ???:__rustc::__rdl_dealloc (3x) . } . . /// Reallocates memory with the global allocator. . /// . /// This function forwards calls to the [`GlobalAlloc::realloc`] method . /// of the allocator registered with the `#[global_allocator]` attribute . /// if there is one, or the `std` crate’s default. . /// -- line 177 ---------------------------------------- -- line 214 ---------------------------------------- . pub unsafe fn realloc(ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 { . unsafe { realloc_nonnull(NonNull::new_unchecked(ptr), layout, new_size) } . } . . /// Same as [`realloc`] but when you already have a non-null pointer . #[inline] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . unsafe fn realloc_nonnull(ptr: NonNull, layout: Layout, new_size: usize) -> *mut u8 { 4,570 ( 0.00%) unsafe { __rust_realloc(ptr, layout.size(), layout.alignment(), new_size) } 744 ( 0.00%) => ???:__rustc::__rust_realloc (3x) . } . . /// Allocates zero-initialized memory with the global allocator. . /// . /// This function forwards calls to the [`GlobalAlloc::alloc_zeroed`] method . /// of the allocator registered with the `#[global_allocator]` attribute . /// if there is one, or the `std` crate’s default. . /// -- line 230 ---------------------------------------- -- line 284 ---------------------------------------- . __rust_alloc_zeroed(layout.size(), layout.alignment()) . } . } . . impl Global { . #[inline] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . fn alloc_impl_runtime(layout: Layout, zeroed: bool) -> Result, AllocError> { 7,986 ( 0.00%) match layout.size() { . 0 => Ok(layout.dangling_ptr().cast_slice(0)), . // SAFETY: `layout` is non-zero in size, . size => unsafe { 4,000 ( 0.00%) let raw_ptr = if zeroed { alloc_zeroed(layout) } else { alloc(layout) }; 3,991 ( 0.00%) => ???:std::exception::~exception() (3,991x) . let ptr = NonNull::new(raw_ptr).ok_or(AllocError)?; . Ok(ptr.cast_slice(size)) . }, . } . } . . #[inline] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . fn deallocate_impl_runtime(ptr: NonNull, layout: Layout) { 4,232 ( 0.00%) if layout.size() != 0 { . // SAFETY: . // * We have checked that `layout` is non-zero in size. . // * The caller is obligated to provide a layout that "fits", and in this case, . // "fit" always means a layout that is equal to the original, because our . // `allocate()`, `grow()`, and `shrink()` implementations never returns a larger . // allocation than requested. . // * Other conditions must be upheld by the caller, as per `Allocator::deallocate()`'s . // safety documentation. -- line 314 ---------------------------------------- 95,826 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/write/mod.rs -------------------------------------------------------------------------------- Ir -- line 251 ---------------------------------------- . format_args: FormatArgsStorage, . // The outermost `impl Debug` we're currently in. While we're in one, `USE_DEBUG` is deactivated . outermost_debug_impl: Option, . allow_print_in_tests: bool, . } . . impl Write { . pub fn new(conf: &'static Conf, format_args: FormatArgsStorage) -> Self { 3 ( 0.00%) Self { . format_args, . outermost_debug_impl: None, . allow_print_in_tests: conf.allow_print_in_tests, . } . } . . fn in_debug_impl(&self) -> bool { . self.outermost_debug_impl.is_some() . } . } . . impl<'tcx> LateLintPass<'tcx> for Write { . fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) { . // Only check for `impl Debug`s if we're not already in one 1,325 ( 0.00%) if self.outermost_debug_impl.is_none() && is_debug_impl(cx, item) { . self.outermost_debug_impl = Some(item.owner_id); . } . } . . fn check_item_post(&mut self, _cx: &LateContext<'_>, item: &Item<'_>) { . // Only clear `self.outermost_debug_impl` if we're escaping the _outermost_ debug impl . if self.outermost_debug_impl == Some(item.owner_id) { . self.outermost_debug_impl = None; . } . } . 520,450 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 2,328 ( 0.00%) let Some(macro_call) = root_macro_call_first_node(cx, expr) else { . return; . }; 2,716 ( 0.00%) let Some(diag_name) = cx.tcx.get_diagnostic_name(macro_call.def_id) else { 18,894 ( 0.00%) => ???:::get_diagnostic_name (388x) . return; . }; 130 ( 0.00%) let Some(name) = diag_name.as_str().strip_suffix("_macro") else { . return; . }; . . let is_build_script = cx . .sess() . .opts . .crate_name . .as_ref() . .is_some_and(|crate_name| crate_name == "build_script_build"); . 130 ( 0.00%) let allowed_in_tests = self.allow_print_in_tests && is_in_test(cx.tcx, expr.hir_id); . match diag_name { 625 ( 0.00%) sym::print_macro | sym::println_macro if !allowed_in_tests => { . if !is_build_script { . span_lint(cx, PRINT_STDOUT, macro_call.span, format!("use of `{name}!`")); . } . }, . sym::eprint_macro | sym::eprintln_macro if !allowed_in_tests => { . span_lint(cx, PRINT_STDERR, macro_call.span, format!("use of `{name}!`")); . }, . sym::write_macro | sym::writeln_macro => {}, -- line 314 ---------------------------------------- -- line 332 ---------------------------------------- . } . . literal::check(cx, format_args, name); . . if !self.in_debug_impl() { . use_debug::check(cx, format_args); . } . } 416,360 ( 0.01%) } . } . . fn is_debug_impl(cx: &LateContext<'_>, item: &Item<'_>) -> bool { 3,588 ( 0.00%) if let ItemKind::Impl(Impl { . of_trait: Some(of_trait), . .. . }) = &item.kind 129 ( 0.00%) && let Some(trait_id) = of_trait.trait_ref.trait_def_id() 559 ( 0.00%) => ???:::trait_def_id (43x) . { 172 ( 0.00%) cx.tcx.is_diagnostic_item(sym::Debug, trait_id) 3,594 ( 0.00%) => ???:::is_diagnostic_item (43x) . } else { . false . } . } 108 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/to_digit_is_some.rs -------------------------------------------------------------------------------- Ir -- line 43 ---------------------------------------- . . impl ToDigitIsSome { . pub(crate) fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for ToDigitIsSome { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { 107,278 ( 0.00%) if let hir::ExprKind::MethodCall(is_some_path, to_digit_expr, [], _) = &expr.kind 2,120 ( 0.00%) && is_some_path.ident.name == sym::is_some . { 144 ( 0.00%) let match_result = match to_digit_expr.kind { 42 ( 0.00%) hir::ExprKind::MethodCall(to_digits_path, char_arg, [radix_arg], _) => { . if to_digits_path.ident.name == sym::to_digit . && cx.typeck_results().expr_ty_adjusted(char_arg).is_char() . { . Some((true, char_arg, radix_arg)) . } else { . None . } . }, -- line 64 ---------------------------------------- -- line 89 ---------------------------------------- . format!("{char_arg_snip}.is_digit({radix_snip})") . } else { . format!("char::is_digit({char_arg_snip}, {radix_snip})") . }, . applicability, . ); . } . } 416,360 ( 0.01%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/fuse.rs -------------------------------------------------------------------------------- Ir -- line 18 ---------------------------------------- . pub struct Fuse { . // NOTE: for `I: FusedIterator`, we never bother setting `None`, but . // we still have to be prepared for that state due to variance. . // See rust-lang/rust#85863 . iter: Option, . } . impl Fuse { . pub(in crate::iter) const fn new(iter: I) -> Fuse { 32 ( 0.00%) Fuse { iter: Some(iter) } . } . . pub(crate) fn into_inner(self) -> Option { . self.iter . } . } . . #[stable(feature = "fused", since = "1.26.0")] -- line 34 ---------------------------------------- -- line 94 ---------------------------------------- . FuseImpl::try_fold(self, acc, fold) . } . . #[inline] . fn fold(self, mut acc: Acc, fold: Fold) -> Acc . where . Fold: FnMut(Acc, Self::Item) -> Acc, . { 1,308 ( 0.00%) if let Some(iter) = self.iter { 1 ( 0.00%) acc = iter.fold(acc, fold); 19 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:, ::new::{closure#0}>, ::new::{closure#1}> as core::iter::traits::iterator::Iterator>::fold::<(), >::iter_fold::flatten, ::new::{closure#1}::{closure#0}>, (), as core::iter::traits::iterator::Iterator>::fold::flatten, ::new::{closure#1}::{closure#0}>, (), core::iter::traits::iterator::Iterator::for_each::call<(rustc_span::def_id::DefId, rustc_span::symbol::Symbol), as core::iter::traits::collect::Extend<(rustc_span::def_id::DefId, rustc_span::symbol::Symbol)>>::extend, ::new::{closure#0}>, core::iter::adapters::map::Map, ::new::{closure#1}::{closure#0}>, ::new::{closure#1}>>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}> (1x) . } . acc . } . . #[inline] . fn find

(&mut self, predicate: P) -> Option . where . P: FnMut(&Self::Item) -> bool, -- line 111 ---------------------------------------- -- line 395 ---------------------------------------- . /// However, we must still be prepared for the possibility that it was already cleared! . #[doc(hidden)] . impl FuseImpl for Fuse . where . I: FusedIterator, . { . #[inline] . fn next(&mut self) -> Option<::Item> { 952 ( 0.00%) self.iter.as_mut()?.next() . } . . #[inline] . fn advance_by(&mut self, n: usize) -> Result<(), NonZero> { . match &mut self.iter { . Some(iter) => iter.advance_by(n), . None => match NonZero::new(n) { . Some(n) => Err(n), -- line 411 ---------------------------------------- -- line 421 ---------------------------------------- . . #[inline] . fn try_fold(&mut self, mut acc: Acc, fold: Fold) -> R . where . Self: Sized, . Fold: FnMut(Acc, Self::Item) -> R, . R: Try, . { 104,951 ( 0.00%) if let Some(ref mut iter) = self.iter { 52,281 ( 0.00%) acc = iter.try_fold(acc, fold)?; 8,942 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:, ::format_arg_positions::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), >::iter_try_fold::flatten, (), core::ops::control_flow::ControlFlow<(&rustc_ast::format::FormatArgPosition, clippy_utils::macros::FormatParamUsage)>, as core::iter::traits::iterator::Iterator>::try_fold::flatten, (), core::ops::control_flow::ControlFlow<(&rustc_ast::format::FormatArgPosition, clippy_utils::macros::FormatParamUsage)>, core::iter::traits::iterator::Iterator::find::check<(&rustc_ast::format::FormatArgPosition, clippy_utils::macros::FormatParamUsage), &mut ::is_aliased::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow<(&rustc_ast::format::FormatArgPosition, clippy_utils::macros::FormatParamUsage)>> (116x) . } . try { acc } . } . . #[inline] . fn find

(&mut self, predicate: P) -> Option . where . P: FnMut(&Self::Item) -> bool, -- line 438 ---------------------------------------- 656 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unconditional_recursion.rs -------------------------------------------------------------------------------- Ir -- line 88 ---------------------------------------- . "function cannot return without recursing", . |diag| { . diag.span_note(expr.span, "recursive call site"); . }, . ); . } . . fn get_hir_ty_def_id<'tcx>(tcx: TyCtxt<'tcx>, hir_ty: rustc_hir::Ty<'tcx>) -> Option { 33 ( 0.00%) let TyKind::Path(qpath) = hir_ty.kind else { return None }; 22 ( 0.00%) match qpath { . QPath::Resolved(_, path) => path.res.opt_def_id(), . QPath::TypeRelative(_, _) => { . let ty = lower_ty(tcx, &hir_ty); . . match ty.kind() { . ty::Alias( . _, . proj @ ty::AliasTy { -- line 105 ---------------------------------------- -- line 111 ---------------------------------------- . } . }, . } . } . . fn get_return_calls_in_body<'tcx>(body: &'tcx Body<'tcx>) -> Vec<&'tcx Expr<'tcx>> { . let mut visitor = ReturnsVisitor::default(); . 286 ( 0.00%) visitor.visit_body(body); 161,499 ( 0.00%) => ???:::visit_body (143x) 429 ( 0.00%) visitor.returns . } . . fn has_conditional_return(body: &Body<'_>, expr: &Expr<'_>) -> bool { . match get_return_calls_in_body(body).as_slice() { 520 ( 0.00%) [] => false, 95 ( 0.00%) [return_expr] => return_expr.hir_id != expr.hir_id, . _ => true, . } . } . 171 ( 0.00%) fn get_impl_trait_def_id(cx: &LateContext<'_>, method_def_id: LocalDefId) -> Option { . let hir_id = cx.tcx.local_def_id_to_hir_id(method_def_id); 76 ( 0.00%) if let Some(( . _, . Node::Item(Item { . kind: ItemKind::Impl(impl_), . owner_id, . .. . }), 19 ( 0.00%) )) = cx.tcx.hir_parent_iter(hir_id).next() . // We exclude `impl` blocks generated from rustc's proc macros. 114 ( 0.00%) && !cx.tcx.is_automatically_derived(owner_id.to_def_id()) 1,706 ( 0.00%) => ???:::is_automatically_derived (19x) . // It is a implementation of a trait. 51 ( 0.00%) && let Some(of_trait) = impl_.of_trait . { 21 ( 0.00%) of_trait.trait_ref.trait_def_id() 91 ( 0.00%) => ???:::trait_def_id (7x) . } else { . None . } 171 ( 0.00%) } . . /// When we have `x == y` where `x = &T` and `y = &T`, then that resolves to . /// `<&T as PartialEq<&T>>::eq`, which is not the same as `>::eq`, . /// however we still would want to treat it the same, because we know that it's a blanket impl . /// that simply delegates to the `PartialEq` impl with one reference removed. . /// . /// Still, we can't just do `lty.peel_refs() == rty.peel_refs()` because when we have `x = &T` and . /// `y = &&T`, this is not necessarily the same as `>::eq` -- line 158 ---------------------------------------- -- line 160 ---------------------------------------- . /// So to avoid these FNs and FPs, we keep removing a layer of references from *both* sides . /// until both sides match the expected LHS and RHS type (or they don't). . fn matches_ty<'tcx>( . mut left: Ty<'tcx>, . mut right: Ty<'tcx>, . expected_left: Ty<'tcx>, . expected_right: Ty<'tcx>, . ) -> bool { 36 ( 0.00%) while let (&ty::Ref(_, lty, _), &ty::Ref(_, rty, _)) = (left.kind(), right.kind()) { 9 ( 0.00%) if lty == expected_left && rty == expected_right { . return true; . } . left = lty; . right = rty; . } . false . } . . fn check_partial_eq(cx: &LateContext<'_>, method_span: Span, method_def_id: LocalDefId, name: Ident, expr: &Expr<'_>) { . let Some(sig) = cx . .typeck_results() . .liberated_fn_sigs() 6 ( 0.00%) .get(cx.tcx.local_def_id_to_hir_id(method_def_id)) . else { . return; . }; . . // That has two arguments. 18 ( 0.00%) if let [self_arg, other_arg] = sig.inputs() 18 ( 0.00%) && let &ty::Ref(_, self_arg, _) = self_arg.kind() 24 ( 0.00%) && let &ty::Ref(_, other_arg, _) = other_arg.kind() . // The two arguments are of the same type. 24 ( 0.00%) && let Some(trait_def_id) = get_impl_trait_def_id(cx, method_def_id) 1,984 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unconditional_recursion.rs:clippy_lints::unconditional_recursion::get_impl_trait_def_id (6x) . // The trait is `PartialEq`. 30 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::PartialEq, trait_def_id) 465 ( 0.00%) => ???:::is_diagnostic_item (5x) . { 15 ( 0.00%) let to_check_op = if name.name == sym::eq { . BinOpKind::Eq . } else { . BinOpKind::Ne . }; 19 ( 0.00%) let is_bad = match expr.kind { 9 ( 0.00%) ExprKind::Binary(op, left, right) if op.node == to_check_op => { . // Then we check if the LHS matches self_arg and RHS matches other_arg 12 ( 0.00%) let left_ty = cx.typeck_results().expr_ty_adjusted(left); 159 ( 0.00%) => ???:::expr_ty_adjusted (3x) 6 ( 0.00%) let right_ty = cx.typeck_results().expr_ty_adjusted(right); 159 ( 0.00%) => ???:::expr_ty_adjusted (3x) . matches_ty(left_ty, right_ty, self_arg, other_arg) . }, 8 ( 0.00%) ExprKind::MethodCall(segment, receiver, [arg], _) if segment.ident.name == name.name => { . let receiver_ty = cx.typeck_results().expr_ty_adjusted(receiver); . let arg_ty = cx.typeck_results().expr_ty_adjusted(arg); . . if let Some(fn_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) . && let Some(trait_id) = cx.tcx.trait_of_assoc(fn_id) . && trait_id == trait_def_id . && matches_ty(receiver_ty, arg_ty, self_arg, other_arg) . { -- line 216 ---------------------------------------- -- line 327 ---------------------------------------- . span_error(self.cx, self.method_span, expr); . return ControlFlow::Break(()); . } . ControlFlow::Continue(()) . } . } . . impl UnconditionalRecursion { 88 ( 0.00%) fn init_default_impl_for_type_if_needed(&mut self, cx: &LateContext<'_>) { 11 ( 0.00%) if self.default_impl_for_type.is_empty() 55 ( 0.00%) && let Some(default_trait_id) = cx.tcx.get_diagnostic_item(sym::Default) 792 ( 0.00%) => ???:::get_diagnostic_item (11x) . { . let impls = cx.tcx.trait_impls_of(default_trait_id); . for (ty, impl_def_ids) in impls.non_blanket_impls() { 9,306 ( 0.00%) let Some(self_def_id) = ty.def() else { continue }; 9,020 ( 0.00%) for &impl_def_id in impl_def_ids { 27,060 ( 0.00%) if !cx.tcx.is_automatically_derived(impl_def_id) && 1,183,234 ( 0.02%) => ???:::is_automatically_derived (4,510x) . let Some(assoc_item) = cx . .tcx . .associated_items(impl_def_id) . .in_definition_order() . // We're not interested in foreign implementations of the `Default` trait. . .find(|item| { 16,610 ( 0.00%) item.is_fn() && item.def_id.is_local() && item.name() == kw::Default . }) . && let Some(body_node) = cx.tcx.hir_get_if_local(assoc_item.def_id) . && let Some(body_id) = body_node.body_id() . && let body = cx.tcx.hir_body(body_id) . // We don't want to keep it if it has conditional return. . && let [return_expr] = get_return_calls_in_body(body).as_slice() . && let ExprKind::Call(call_expr, _) = return_expr.kind . // We need to use typeck here to infer the actual function being called. -- line 358 ---------------------------------------- -- line 361 ---------------------------------------- . && let typeck = cx.tcx.typeck_body(body_owner.id()) . && let Some(call_def_id) = typeck.type_dependent_def_id(call_expr.hir_id) . { . self.default_impl_for_type.insert(self_def_id, call_def_id); . } . } . } . } 88 ( 0.00%) } . . fn check_default_new<'tcx>( . &mut self, . cx: &LateContext<'tcx>, . decl: &FnDecl<'tcx>, . body: &'tcx Body<'tcx>, . method_span: Span, . method_def_id: LocalDefId, . ) { . // We're only interested into static methods. 226 ( 0.00%) if decl.implicit_self().has_implicit_self() { 904 ( 0.00%) => ???:::implicit_self (113x) . return; . } . // We don't check trait implementations. 65 ( 0.00%) if get_impl_trait_def_id(cx, method_def_id).is_some() { 4,141 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unconditional_recursion.rs:clippy_lints::unconditional_recursion::get_impl_trait_def_id (13x) . return; . } . . let hir_id = cx.tcx.local_def_id_to_hir_id(method_def_id); 44 ( 0.00%) if let Some(( . _, . Node::Item(Item { . kind: ItemKind::Impl(impl_), . .. . }), 11 ( 0.00%) )) = cx.tcx.hir_parent_iter(hir_id).next() 110 ( 0.00%) && let Some(implemented_ty_id) = get_hir_ty_def_id(cx.tcx, *impl_.self_ty) . && { 33 ( 0.00%) self.init_default_impl_for_type_if_needed(cx); 2,560,016 ( 0.05%) => site/frontend/rust-clippy/clippy_lints/src/unconditional_recursion.rs:::init_default_impl_for_type_if_needed (11x) . true . } 22 ( 0.00%) && let Some(return_def_id) = self.default_impl_for_type.get(&implemented_ty_id) . && method_def_id.to_def_id() == *return_def_id . { . let mut c = CheckCalls { . cx, . implemented_ty_id, . method_span, . }; . let _ = walk_body(&mut c, body); -- line 409 ---------------------------------------- -- line 410 ---------------------------------------- . } . } . } . . fn check_from(cx: &LateContext<'_>, method_span: Span, method_def_id: LocalDefId, expr: &Expr<'_>) { . let Some(sig) = cx . .typeck_results() . .liberated_fn_sigs() 2 ( 0.00%) .get(cx.tcx.local_def_id_to_hir_id(method_def_id)) . else { . return; . }; . . // Check if we are calling `Into::into` where the node args match with our `From::from` signature: . // From::from signature: fn(S1) -> S2 . // >::into(s1), node_args=[S1, S2] . // If they do match, then it must mean that it is the blanket impl, . // which calls back into our `From::from` again (`Into` is not specializable). . // rustc's unconditional_recursion already catches calling `From::from` directly 10 ( 0.00%) if let Some((fn_def_id, node_args)) = fn_def_id_with_node_args(cx, expr) 52 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::fn_def_id_with_node_args (2x) . && let [s1, s2] = **node_args . && let (Some(s1), Some(s2)) = (s1.as_type(), s2.as_type()) . && let Some(trait_def_id) = cx.tcx.trait_of_assoc(fn_def_id) . && cx.tcx.is_diagnostic_item(sym::Into, trait_def_id) . && get_impl_trait_def_id(cx, method_def_id) == cx.tcx.get_diagnostic_item(sym::From) . && s1 == sig.inputs()[0] . && s2 == sig.output() . { . span_error(cx, method_span, expr); . } . } . . impl<'tcx> LateLintPass<'tcx> for UnconditionalRecursion { 3,376 ( 0.00%) fn check_fn( . &mut self, . cx: &LateContext<'tcx>, . kind: FnKind<'tcx>, . decl: &'tcx FnDecl<'tcx>, . body: &'tcx Body<'tcx>, . method_span: Span, . method_def_id: LocalDefId, . ) { . // If the function is a method... 987 ( 0.00%) if let FnKind::Method(name, _) = kind 695 ( 0.00%) && let expr = expr_or_init(cx, body.value).peel_blocks() 3,718 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::expr_or_init (143x) . // Doesn't have a conditional return. 389 ( 0.00%) && !has_conditional_return(body, expr) . { . match name.name { 779 ( 0.00%) sym::eq | sym::ne => check_partial_eq(cx, method_span, method_def_id, name, expr), . sym::to_string => check_to_string(cx, method_span, method_def_id, name, expr), . sym::from => check_from(cx, method_span, method_def_id, expr), . _ => {}, . } . self.check_default_new(cx, decl, body, method_span, method_def_id); . } 3,376 ( 0.00%) } . } 17,859 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/arc_with_non_send_sync.rs -------------------------------------------------------------------------------- Ir -- line 38 ---------------------------------------- . pub ARC_WITH_NON_SEND_SYNC, . suspicious, . "using `Arc` with a type that does not implement `Send` and `Sync`" . } . . declare_lint_pass!(ArcWithNonSendSync => [ARC_WITH_NON_SEND_SYNC]); . . impl<'tcx> LateLintPass<'tcx> for ArcWithNonSendSync { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 126,653 ( 0.00%) if let ExprKind::Call(func, [arg]) = expr.kind 14,515 ( 0.00%) && let ExprKind::Path(QPath::TypeRelative(func_ty, func_name)) = func.kind 95 ( 0.00%) && func_name.ident.name == sym::new 12 ( 0.00%) && !expr.span.from_expansion() 36 ( 0.00%) && cx.typeck_results().node_type(func_ty.hir_id).is_diag_item(cx, sym::Arc) 246 ( 0.00%) => ???:::node_type (6x) . && let arg_ty = cx.typeck_results().expr_ty(arg) . // make sure that the type is not and does not contain any type parameters . && arg_ty.walk().all(|arg| { . !matches!(arg.kind(), GenericArgKind::Type(ty) if matches!(ty.kind(), ty::Param(_))) . }) . && let Some(send) = cx.tcx.get_diagnostic_item(sym::Send) . && let Some(sync) = cx.tcx.lang_items().sync_trait() . && let [is_send, is_sync] = [send, sync].map(|id| implements_trait(cx, arg_ty, id, &[])) -- line 59 ---------------------------------------- -- line 78 ---------------------------------------- . diag.help("if the `Arc` will not be used across threads replace it with an `Rc`"); . diag.help(format!( . "otherwise make `{arg_ty}` `Send` and `Sync` or consider a wrapper type such as `Mutex`" . )); . }); . }, . ); . } 416,360 ( 0.01%) } . } 12 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/no_effect.rs -------------------------------------------------------------------------------- Ir -- line 74 ---------------------------------------- . } . . impl_lint_pass!(NoEffect => [ . NO_EFFECT, . NO_EFFECT_UNDERSCORE_BINDING, . UNNECESSARY_OPERATION, . ]); . 10 ( 0.00%) #[derive(Default)] . pub struct NoEffect { . underscore_bindings: HirIdMap, . local_bindings: Vec>, . } . . impl<'tcx> LateLintPass<'tcx> for NoEffect { 91,116 ( 0.00%) fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { . if self.check_no_effect(cx, stmt) { . return; . } . check_unnecessary_operation(cx, stmt); 80,992 ( 0.00%) } . . fn check_block(&mut self, _: &LateContext<'tcx>, _: &'tcx rustc_hir::Block<'tcx>) { 3 ( 0.00%) self.local_bindings.push(Vec::default()); . } . 17,318 ( 0.00%) fn check_block_post(&mut self, cx: &LateContext<'tcx>, _: &'tcx rustc_hir::Block<'tcx>) { . for hir_id in self.local_bindings.pop().unwrap() { . if let Some(span) = self.underscore_bindings.swap_remove(&hir_id) { . span_lint_hir( . cx, . NO_EFFECT_UNDERSCORE_BINDING, . hir_id, . span, . "binding to `_` prefixed variable with no side-effect", . ); . } . } 19,792 ( 0.00%) } . . fn check_expr(&mut self, _: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 38,286 ( 0.00%) if let Some(def_id) = expr.res_local_id() { 12,762 ( 0.00%) self.underscore_bindings.swap_remove(&def_id); 268,002 ( 0.00%) => /rust/deps/indexmap-2.14.0/src/map.rs:>::swap_remove:: (12,762x) . } . } . } . . impl NoEffect { . fn check_no_effect<'tcx>(&mut self, cx: &LateContext<'tcx>, stmt: &Stmt<'tcx>) -> bool { 53,893 ( 0.00%) if let StmtKind::Semi(expr) = stmt.kind { . // Covered by rustc `path_statements` lint 15,154 ( 0.00%) if matches!(expr.kind, ExprKind::Path(_)) { . return true; . } . 30,308 ( 0.00%) if expr.range_span().unwrap_or(expr.span).from_expansion() { 267,242 ( 0.00%) => ???:::range_span (7,577x) . return false; . } . let expr = peel_blocks(expr); . . if is_operator_overridden(cx, expr) { . // Return `true`, to prevent `check_unnecessary_operation` from . // linting on this statement as well. . return true; . } 2,020 ( 0.00%) if has_no_effect(cx, expr) { 15,424 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/no_effect.rs:clippy_lints::no_effect::has_no_effect (404x) . span_lint_hir_and_then( . cx, . NO_EFFECT, . expr.hir_id, . stmt.span, . "statement with no effect", . |diag| { . for parent in cx.tcx.hir_parent_iter(stmt.hir_id) { -- line 147 ---------------------------------------- -- line 176 ---------------------------------------- . ); . } . } . } . }, . ); . return true; . } 2,152 ( 0.00%) } else if let StmtKind::Let(local) = stmt.kind 15,064 ( 0.00%) && !is_lint_allowed(cx, NO_EFFECT_UNDERSCORE_BINDING, local.hir_id) 2,837,897 ( 0.05%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed (2,152x) . && !matches!(local.source, LocalSource::AsyncFn) . && let Some(init) = local.init . && local.els.is_none() . && !local.span.from_expansion() . && has_no_effect(cx, init) . && let PatKind::Binding(_, hir_id, ident, _) = local.pat.kind . && ident.name.to_ident_string().starts_with('_') . && !in_automatically_derived(cx.tcx, local.hir_id) -- line 193 ---------------------------------------- -- line 203 ---------------------------------------- . } . } . . fn is_operator_overridden(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { . // It's very hard or impossible to check whether overridden operator have side-effect this lint. . // So, this function assume user-defined operator is overridden with an side-effect. . // The definition of user-defined structure here is ADT-type, . // Althrough this will weaken the ability of this lint, less error lint-fix happen. 1,212 ( 0.00%) match expr.kind { . ExprKind::Binary(..) | ExprKind::Unary(..) => { . // No need to check type of `lhs` and `rhs` . // because if the operator is overridden, at least one operand is ADT type . . // reference: rust/compiler/rustc_middle/src/ty/typeck_results.rs: `is_method_call`. . // use this function to check whether operator is overridden in `ExprKind::{Binary, Unary}`. . cx.typeck_results().is_method_call(expr) . }, -- line 219 ---------------------------------------- -- line 222 ---------------------------------------- . } . . /// Checks if dropping `expr` might have a visible side effect. . fn expr_ty_has_significant_drop(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { . let ty = cx.typeck_results().expr_ty(expr); . ty.has_significant_drop(cx.tcx, cx.typing_env()) . } . 4,444 ( 0.00%) fn has_no_effect(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 3,232 ( 0.00%) match expr.kind { . ExprKind::Lit(..) | ExprKind::Closure { .. } => true, . ExprKind::Path(..) => !expr_ty_has_significant_drop(cx, expr), . ExprKind::Index(a, b, _) | ExprKind::Binary(_, a, b) => has_no_effect(cx, a) && has_no_effect(cx, b), . ExprKind::Array(v) | ExprKind::Tup(v) => v.iter().all(|val| has_no_effect(cx, val)), . ExprKind::Repeat(inner, _) . | ExprKind::Cast(inner, _) . | ExprKind::Type(inner, _) . | ExprKind::Unary(_, inner) -- line 239 ---------------------------------------- -- line 242 ---------------------------------------- . ExprKind::Struct(_, fields, base) => { . !expr_ty_has_significant_drop(cx, expr) . && fields.iter().all(|field| has_no_effect(cx, field.expr)) . && match &base { . StructTailExpr::None | StructTailExpr::NoneWithError(_) | StructTailExpr::DefaultFields(_) => true, . StructTailExpr::Base(base) => has_no_effect(cx, base), . } . }, 36 ( 0.00%) ExprKind::Call(callee, args) => { 72 ( 0.00%) if let ExprKind::Path(ref qpath) = callee.kind { 180 ( 0.00%) if cx.typeck_results().type_dependent_def(expr.hir_id).is_some() { 1,258 ( 0.00%) => ???:::type_dependent_def (36x) . // type-dependent function call like `impl FnOnce for X` . return false; . } 136 ( 0.00%) let def_matched = matches!( 340 ( 0.00%) cx.qpath_res(qpath, callee.hir_id), 782 ( 0.00%) => ???:::qpath_res (34x) . Res::Def(DefKind::Struct | DefKind::Variant | DefKind::Ctor(..), ..) . ); 136 ( 0.00%) if def_matched || is_range_literal(expr) { 714 ( 0.00%) => ???:rustc_hir::hir::is_range_literal (34x) . !expr_ty_has_significant_drop(cx, expr) && args.iter().all(|arg| has_no_effect(cx, arg)) . } else { . false . } . } else { . false . } . }, . _ => false, . } 3,232 ( 0.00%) } . . fn check_unnecessary_operation(cx: &LateContext<'_>, stmt: &Stmt<'_>) { 2,002 ( 0.00%) if let StmtKind::Semi(expr) = stmt.kind 29,904 ( 0.00%) && !stmt.span.in_external_macro(cx.sess().source_map()) . && let ctxt = stmt.span.ctxt() 1,616 ( 0.00%) && expr.range_span().unwrap_or(expr.span).ctxt() == ctxt 9,392 ( 0.00%) => ???:::range_span (404x) 2,424 ( 0.00%) && let Some(reduced) = reduce_expression(cx, expr) 31,710 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/no_effect.rs:clippy_lints::no_effect::reduce_expression (404x) . && reduced.iter().all(|e| e.span.ctxt() == ctxt) . { . if let ExprKind::Index(..) = &expr.kind { . if !is_inside_always_const_context(cx.tcx, expr.hir_id) . && let [arr, func] = &*reduced . && let Some(arr) = arr.span.get_text(cx) . && let Some(func) = func.span.get_text(cx) . { -- line 286 ---------------------------------------- -- line 325 ---------------------------------------- . Applicability::MachineApplicable, . ); . }, . ); . } . } . } . 4,444 ( 0.00%) fn reduce_expression<'a>(cx: &LateContext<'_>, expr: &'a Expr<'a>) -> Option>> { 1,616 ( 0.00%) if expr.range_span().unwrap_or(expr.span).from_expansion() { 9,392 ( 0.00%) => ???:::range_span (404x) . return None; . } 2,828 ( 0.00%) match expr.kind { . ExprKind::Index(a, b, _) => Some(vec![a, b]), . ExprKind::Binary(ref binop, a, b) if binop.node != BinOpKind::And && binop.node != BinOpKind::Or => { . Some(vec![a, b]) . }, . ExprKind::Array(v) | ExprKind::Tup(v) => Some(v.iter().collect()), . ExprKind::Repeat(inner, _) . | ExprKind::Type(inner, _) . | ExprKind::Unary(_, inner) -- line 345 ---------------------------------------- -- line 359 ---------------------------------------- . } else { . let base = match base { . StructTailExpr::Base(base) => Some(base), . StructTailExpr::None | StructTailExpr::NoneWithError(_) | StructTailExpr::DefaultFields(_) => None, . }; . Some(fields.iter().map(|f| &f.expr).chain(base).map(Deref::deref).collect()) . } . }, 36 ( 0.00%) ExprKind::Call(callee, args) => { 72 ( 0.00%) if let ExprKind::Path(ref qpath) = callee.kind { 216 ( 0.00%) if cx.typeck_results().type_dependent_def(expr.hir_id).is_some() { 1,258 ( 0.00%) => ???:::type_dependent_def (36x) . // type-dependent function call like `impl FnOnce for X` . return None; . } 170 ( 0.00%) let res = cx.qpath_res(qpath, callee.hir_id); 782 ( 0.00%) => ???:::qpath_res (34x) 476 ( 0.00%) match res { . Res::Def(DefKind::Struct | DefKind::Variant | DefKind::Ctor(..), ..) . if !has_drop(cx, cx.typeck_results().expr_ty(expr)) => . { . Some(args.iter().collect()) . }, . _ => None, . } . } else { -- line 382 ---------------------------------------- -- line 394 ---------------------------------------- . } . }) . } else { . None . } . }, . _ => None, . } 3,232 ( 0.00%) } 10,051 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/traits.rs -------------------------------------------------------------------------------- Ir -- line 121 ---------------------------------------- . /// Check that a range is in bounds for slicing a string. . /// If this returns true, it is safe to call `slice.get_unchecked(range)` or . /// `slice.get_unchecked_mut(range)`. . #[inline(always)] . const fn check_range(slice: &str, range: crate::range::Range) -> bool { . let crate::range::Range { start, end } = range; . let bytes = slice.as_bytes(); . 18,917 ( 0.00%) if start > end || end > slice.len() { . return false; . } . 10,281 ( 0.00%) if start == slice.len() { . // If `start == slice.len()`, then `end == slice.len()` must also be true. . return true; . } . . // SAFETY: . // `start > end || end > slice.len()` is false, so `start <= end <= slice.len()` is true. . // `start == slice.len()` is false, so `start < slice.len()` is also true. . // . // No need to check for `end == 0`, because if `end == 0` is true then `start == slice.len()` . // would also be true, which is already handled above. . unsafe { 15,072 ( 0.00%) (start == 0 || bytes.as_ptr().add(start).read().is_utf8_char_boundary()) 10,024 ( 0.00%) && (end == slice.len() || bytes.as_ptr().add(end).read().is_utf8_char_boundary()) . } . } . . /// Implements substring slicing with syntax `&self[begin .. end]` or `&mut . /// self[begin .. end]`. . /// . /// Returns a slice of the given string from the byte range . /// [`begin`, `end`). -- line 154 ---------------------------------------- -- line 213 ---------------------------------------- . end: usize = self.end, . len: usize = slice.len() . ) => end >= start && end <= len, . ); . . // SAFETY: the caller guarantees that `self` is in bounds of `slice` . // which satisfies all the conditions for `add`. . unsafe { 77,565 ( 0.00%) let new_len = unchecked_sub(self.end, self.start); . slice.as_ptr().add(self.start).cast_slice(new_len) as *const str . } . } . #[inline] . #[track_caller] . unsafe fn get_unchecked_mut(self, slice: *mut str) -> *mut Self::Output { . let slice = slice as *mut [u8]; . -- line 229 ---------------------------------------- -- line 254 ---------------------------------------- . } . . #[stable(feature = "new_range_api", since = "1.96.0")] . #[rustc_const_unstable(feature = "const_index", issue = "143775")] . const unsafe impl SliceIndex for range::Range { . type Output = str; . #[inline] . fn get(self, slice: &str) -> Option<&Self::Output> { 9,943 ( 0.00%) if check_range(slice, self) { . // SAFETY: just checked that `self` is in bounds, . // and we are passing in a safe reference, so the return value will also be one. . // We also checked char boundaries, so this is valid UTF-8. . Some(unsafe { &*self.get_unchecked(slice) }) . } else { . None . } . } -- line 270 ---------------------------------------- -- line 297 ---------------------------------------- . end: usize = self.end, . len: usize = slice.len() . ) => end >= start && end <= len, . ); . . // SAFETY: the caller guarantees that `self` is in bounds of `slice` . // which satisfies all the conditions for `add`. . unsafe { 278 ( 0.00%) let new_len = unchecked_sub(self.end, self.start); . slice.as_ptr().add(self.start).cast_slice(new_len) as *const str . } . } . #[inline] . #[track_caller] . unsafe fn get_unchecked_mut(self, slice: *mut str) -> *mut Self::Output { . let slice = slice as *mut [u8]; . -- line 313 ---------------------------------------- -- line 416 ---------------------------------------- . /// Panics if `end` does not point to the starting byte offset of a . /// character (as defined by `is_char_boundary`), or if `end > len`. . #[stable(feature = "str_checked_slicing", since = "1.20.0")] . #[rustc_const_unstable(feature = "const_index", issue = "143775")] . const unsafe impl SliceIndex for ops::RangeTo { . type Output = str; . #[inline] . fn get(self, slice: &str) -> Option<&Self::Output> { 31 ( 0.00%) if slice.is_char_boundary(self.end) { . // SAFETY: just checked that `end` is on a char boundary, . // and we are passing in a safe reference, so the return value will also be one. . Some(unsafe { &*self.get_unchecked(slice) }) . } else { . None . } . } . #[inline] -- line 432 ---------------------------------------- -- line 485 ---------------------------------------- . /// Panics if `begin` does not point to the starting byte offset of . /// a character (as defined by `is_char_boundary`), or if `begin > len`. . #[stable(feature = "str_checked_slicing", since = "1.20.0")] . #[rustc_const_unstable(feature = "const_index", issue = "143775")] . const unsafe impl SliceIndex for ops::RangeFrom { . type Output = str; . #[inline] . fn get(self, slice: &str) -> Option<&Self::Output> { 6 ( 0.00%) if slice.is_char_boundary(self.start) { . // SAFETY: just checked that `start` is on a char boundary, . // and we are passing in a safe reference, so the return value will also be one. . Some(unsafe { &*self.get_unchecked(slice) }) . } else { . None . } . } . #[inline] -- line 501 ---------------------------------------- 5,772 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs -------------------------------------------------------------------------------- Ir -- line 67 ---------------------------------------- . . #[derive(Default)] . pub struct SuspiciousOperationGroupings { . // Spans already linted. . linted_spans: FxHashSet, . } . . impl EarlyLintPass for SuspiciousOperationGroupings { 444,510 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 98,780 ( 0.00%) if expr.span.from_expansion() { . return; . } . 28,763 ( 0.00%) if let Some(binops) = extract_related_binops(&expr.kind) { 12 ( 0.00%) check_binops(cx, &binops.iter().collect::>(), &mut self.linted_spans); 268 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::check_binops (4x) . . let mut op_types = Vec::with_capacity(binops.len()); . // We could use a hashmap, etc. to avoid being O(n*m) here, but . // we want the lints to be emitted in a consistent order. Besides, . // m, (the number of distinct `BinOpKind`s in `binops`) . // will often be small, and does have an upper limit. . binops.iter().map(|b| b.op).for_each(|op| { . if !op_types.contains(&op) { . op_types.push(op); . } . }); . 17 ( 0.00%) for op_type in op_types { . let ops: Vec<_> = binops.iter().filter(|b| b.op == op_type).collect(); . 15 ( 0.00%) check_binops(cx, &ops, &mut self.linted_spans); 239 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::check_binops (5x) . } . } 395,120 ( 0.01%) } . } . 81 ( 0.00%) fn check_binops(cx: &EarlyContext<'_>, binops: &[&BinaryOp<'_>], linted_spans: &mut FxHashSet) { . let binop_count = binops.len(); 18 ( 0.00%) if binop_count < 2 { . // Single binary operation expressions would likely be false . // positives. . return; . } . . let mut one_ident_difference_count = 0; . let mut no_difference_info = None; . let mut double_difference_info = None; . let mut expected_ident_loc = None; . . let mut paired_identifiers = FxHashSet::default(); . 7 ( 0.00%) for (i, BinaryOp { left, right, op, .. }) in binops.iter().enumerate() { 21 ( 0.00%) match ident_difference_expr(left, right) { . IdentDifference::NoDifference => { . if is_useless_with_eq_exprs(*op) { . // The `eq_op` lint should catch this in this case. . return; . } . . no_difference_info = Some(i); . }, -- line 127 ---------------------------------------- -- line 176 ---------------------------------------- . { . emit_suggestion(cx, binop.span, sugg, applicability, linted_spans); . } . } . }, . _ => {}, . } . } 72 ( 0.00%) } . . fn attempt_to_emit_no_difference_lint( . cx: &EarlyContext<'_>, . binops: &[&BinaryOp<'_>], . i: usize, . expected_loc: IdentLocation, . linted_spans: &mut FxHashSet, . ) { -- line 192 ---------------------------------------- -- line 346 ---------------------------------------- . fn new(op: BinOpKind, span: Span, (left, right): (&'exprs Expr, &'exprs Expr)) -> Self { . Self { op, span, left, right } . } . } . . fn strip_non_ident_wrappers(expr: &Expr) -> &Expr { . let mut output = expr; . loop { 70 ( 0.00%) output = match &output.kind { . ExprKind::Paren(inner) | ExprKind::Unary(_, inner) => inner, . _ => { . return output; . }, . }; . } . } . . fn extract_related_binops(kind: &ExprKind) -> Option>> { 28,755 ( 0.00%) append_opt_vecs(chained_binops(kind), if_statement_binops(kind)) 306,049 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::if_statement_binops (9,585x) 210,882 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::append_opt_vecs:: (9,585x) . } . 73,493 ( 0.00%) fn if_statement_binops(kind: &ExprKind) -> Option>> { 72,867 ( 0.00%) match kind { 675 ( 0.00%) ExprKind::If(condition, _, _) => chained_binops(&condition.kind), 10 ( 0.00%) ExprKind::Paren(e) => if_statement_binops(&e.kind), . ExprKind::Block(block, _) => { 447 ( 0.00%) let mut output = None; 447 ( 0.00%) for stmt in &block.stmts { 4,800 ( 0.00%) match &stmt.kind { . StmtKind::Expr(e) | StmtKind::Semi(e) => { 12,796 ( 0.00%) output = append_opt_vecs(output, if_statement_binops(&e.kind)); 46,587 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::if_statement_binops'2 (398x) 8,756 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::append_opt_vecs:: (398x) . }, . _ => {}, . } . } 3,129 ( 0.00%) output . }, . _ => None, . } 83,256 ( 0.00%) } . 73,493 ( 0.00%) fn append_opt_vecs(target_opt: Option>, source_opt: Option>) -> Option> { 52,495 ( 0.00%) match (target_opt, source_opt) { . (Some(mut target), Some(source)) => { . target.reserve(source.len()); . for op in source { . target.push(op); . } . Some(target) . }, 16 ( 0.00%) (Some(v), None) | (None, Some(v)) => Some(v), 20,990 ( 0.00%) (None, None) => None, . } 83,992 ( 0.00%) } . . fn chained_binops(kind: &ExprKind) -> Option>> { 69,751 ( 0.00%) match kind { 1,942 ( 0.00%) ExprKind::Binary(_, left_outer, right_outer) => chained_binops_helper(left_outer, right_outer), 2,644 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::chained_binops_helper (84x) 112 ( 0.00%) ExprKind::Paren(e) | ExprKind::Unary(_, e) => chained_binops(&e.kind), 9,430 ( 0.00%) _ => None, . } . } . 2,550 ( 0.00%) fn chained_binops_helper<'expr>(left_outer: &'expr Expr, right_outer: &'expr Expr) -> Option>> { 1,924 ( 0.00%) match (&left_outer.kind, &right_outer.kind) { . ( . ExprKind::Paren(left_e) | ExprKind::Unary(_, left_e), . ExprKind::Paren(right_e) | ExprKind::Unary(_, right_e), 4 ( 0.00%) ) => chained_binops_helper(left_e, right_e), . (ExprKind::Paren(left_e) | ExprKind::Unary(_, left_e), _) => chained_binops_helper(left_e, right_outer), 7 ( 0.00%) (_, ExprKind::Paren(right_e) | ExprKind::Unary(_, right_e)) => chained_binops_helper(left_outer, right_e), . ( . ExprKind::Binary(Spanned { node: left_op, .. }, left_left, left_right), . ExprKind::Binary(Spanned { node: right_op, .. }, right_left, right_right), 32 ( 0.00%) ) => match ( 28 ( 0.00%) chained_binops_helper(left_left, left_right), 126 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::chained_binops_helper'2 (4x) 24 ( 0.00%) chained_binops_helper(right_left, right_right), 124 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/suspicious_operation_groupings.rs:clippy_lints::suspicious_operation_groupings::chained_binops_helper'2 (4x) . ) { . (Some(mut left_ops), Some(right_ops)) => { . left_ops.reserve(right_ops.len()); . for op in right_ops { . left_ops.push(op); . } . Some(left_ops) . }, -- line 430 ---------------------------------------- -- line 431 ---------------------------------------- . (Some(mut left_ops), _) => { . left_ops.push(BinaryOp::new(*right_op, right_outer.span, (right_left, right_right))); . Some(left_ops) . }, . (_, Some(mut right_ops)) => { . right_ops.insert(0, BinaryOp::new(*left_op, left_outer.span, (left_left, left_right))); . Some(right_ops) . }, 44 ( 0.00%) (None, None) => Some(vec![ 8 ( 0.00%) BinaryOp::new(*left_op, left_outer.span, (left_left, left_right)), 8 ( 0.00%) BinaryOp::new(*right_op, right_outer.span, (right_left, right_right)), . ]), 4 ( 0.00%) }, 251 ( 0.00%) _ => None, . } 2,040 ( 0.00%) } . . #[derive(Clone, Copy, PartialEq, Eq, Default, Debug)] . struct IdentLocation { . index: usize, . } . . impl Add for IdentLocation { . type Output = IdentLocation; -- line 454 ---------------------------------------- -- line 537 ---------------------------------------- . // . // If it turns out that problematic cases are more prevalent than we assume, . // then we should be able to change this function to do the correct traversal, . // without needing to change the rest of the code. . . #[allow(clippy::enum_glob_use)] . use ExprKind::*; . 70 ( 0.00%) match ( . &strip_non_ident_wrappers(left).kind, . &strip_non_ident_wrappers(right).kind, . ) { . (Yield(_), Yield(_)) . | (Try(_), Try(_)) . | (Paren(_), Paren(_)) . | (Repeat(_, _), Repeat(_, _)) . | (Struct(_), Struct(_)) -- line 553 ---------------------------------------- 60,756 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/filter_map.rs -------------------------------------------------------------------------------- Ir -- line 16 ---------------------------------------- . #[stable(feature = "rust1", since = "1.0.0")] . #[derive(Clone)] . pub struct FilterMap { . iter: I, . f: F, . } . impl FilterMap { . pub(in crate::iter) const fn new(iter: I, f: F) -> FilterMap { 89,835 ( 0.00%) FilterMap { iter, f } . } . } . . #[stable(feature = "core_impl_debug", since = "1.9.0")] . impl fmt::Debug for FilterMap { . fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { . f.debug_struct("FilterMap").field("iter", &self.iter).finish() . } . } . . fn filter_map_fold( . mut f: impl FnMut(T) -> Option, . mut fold: impl FnMut(Acc, B) -> Acc, . ) -> impl FnMut(Acc, T) -> Acc { 852,843 ( 0.02%) move |acc, item| match f(item) { 3 ( 0.00%) Some(x) => fold(acc, x), 14,863 ( 0.00%) None => acc, . } . } . . fn filter_map_try_fold<'a, T, B, Acc, R: Try>( . f: &'a mut impl FnMut(T) -> Option, . mut fold: impl FnMut(Acc, B) -> R + 'a, . ) -> impl FnMut(Acc, T) -> R + 'a { 170,141 ( 0.00%) move |acc, item| match f(item) { . Some(x) => fold(acc, x), . None => try { acc }, . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl Iterator for FilterMap . where . F: FnMut(I::Item) -> Option, . { . type Item = B; . . #[inline] . fn next(&mut self) -> Option { 103 ( 0.00%) self.iter.find_map(&mut self.f) . } . . #[inline] . fn next_chunk( . &mut self, . ) -> Result<[Self::Item; N], array::IntoIter> { . let mut array: [MaybeUninit; N] = [const { MaybeUninit::uninit() }; N]; . -- line 72 ---------------------------------------- -- line 130 ---------------------------------------- . . #[inline] . fn try_fold(&mut self, init: Acc, fold: Fold) -> R . where . Self: Sized, . Fold: FnMut(Acc, Self::Item) -> R, . R: Try, . { 289 ( 0.00%) self.iter.try_fold(init, filter_map_try_fold(&mut self.f, fold)) . } . . #[inline] . fn fold(self, init: Acc, fold: Fold) -> Acc . where . Fold: FnMut(Acc, Self::Item) -> Acc, . { 2,058 ( 0.00%) self.iter.fold(init, filter_map_fold(self.f, fold)) . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl DoubleEndedIterator for FilterMap . where . F: FnMut(I::Item) -> Option, . { -- line 154 ---------------------------------------- 231,547 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/mut_key.rs -------------------------------------------------------------------------------- Ir -- line 70 ---------------------------------------- . impl_lint_pass!(MutableKeyType<'_> => [MUTABLE_KEY_TYPE]); . . pub struct MutableKeyType<'tcx> { . interior_mut: InteriorMut<'tcx>, . } . . impl<'tcx> LateLintPass<'tcx> for MutableKeyType<'tcx> { . fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) { 1,196 ( 0.00%) if let hir::ItemKind::Fn { ref sig, .. } = item.kind { 576 ( 0.00%) self.check_sig(cx, item.owner_id.def_id, sig.decl); 66,030 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mut_key.rs:::check_sig (144x) . } . } . . fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::ImplItem<'tcx>) { 286 ( 0.00%) if let hir::ImplItemKind::Fn(ref sig, ..) = item.kind 715 ( 0.00%) && trait_ref_of_method(cx, item.owner_id).is_none() 27,027 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::trait_ref_of_method (143x) . { 456 ( 0.00%) self.check_sig(cx, item.owner_id.def_id, sig.decl); 69,308 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mut_key.rs:::check_sig (114x) . } . } . . fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'tcx>) { . if let hir::TraitItemKind::Fn(ref sig, ..) = item.kind { . self.check_sig(cx, item.owner_id.def_id, sig.decl); . } . } . . fn check_local(&mut self, cx: &LateContext<'tcx>, local: &hir::LetStmt<'tcx>) { 6,456 ( 0.00%) if let hir::PatKind::Wild = local.pat.kind { . return; . } 14,546 ( 0.00%) self.check_ty_(cx, local.span, cx.typeck_results().pat_ty(local.pat)); 156,703 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mut_key.rs:::check_ty_ (2,078x) 83,320 ( 0.00%) => ???:::pat_ty (2,078x) . } . } . . impl<'tcx> MutableKeyType<'tcx> { . pub fn new(tcx: TyCtxt<'tcx>, conf: &'static Conf) -> Self { . Self { 1 ( 0.00%) interior_mut: InteriorMut::without_pointers(tcx, &conf.ignore_interior_mutability), 1,153 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:::without_pointers (1x) . } . } . 2,838 ( 0.00%) fn check_sig(&mut self, cx: &LateContext<'tcx>, fn_def_id: LocalDefId, decl: &hir::FnDecl<'tcx>) { 258 ( 0.00%) let fn_sig = cx.tcx.fn_sig(fn_def_id).instantiate_identity().skip_norm_wip(); 1,289 ( 0.00%) for (hir_ty, ty) in iter::zip(decl.inputs, fn_sig.inputs().skip_binder()) { 2,720 ( 0.00%) self.check_ty_(cx, hir_ty.span, *ty); 39,291 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mut_key.rs:::check_ty_ (544x) . } 1,290 ( 0.00%) self.check_ty_( 18,159 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mut_key.rs:::check_ty_ (258x) . cx, . decl.output.span(), 774 ( 0.00%) cx.tcx.instantiate_bound_regions_with_erased(fn_sig.output()), 49,776 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased:: (258x) . ); 2,064 ( 0.00%) } . . // We want to lint 1. sets or maps with 2. not immutable key types and 3. no unerased . // generics (because the compiler cannot ensure immutability for unknown types). 23,040 ( 0.00%) fn check_ty_(&mut self, cx: &LateContext<'tcx>, span: Span, ty: Ty<'tcx>) { . let ty = ty.peel_refs(); . if let ty::Adt(def, args) = ty.kind() 11,941 ( 0.00%) && matches!( 9,556 ( 0.00%) cx.tcx.get_diagnostic_name(def.did()), 110,103 ( 0.00%) => ???:::get_diagnostic_name (2,389x) . Some(sym::HashMap | sym::BTreeMap | sym::HashSet | sym::BTreeSet) . ) . { 16 ( 0.00%) let subst_ty = args.type_at(0); 64 ( 0.00%) if let Some(chain) = self.interior_mut.interior_mut_ty_chain(cx, subst_ty) { 15,019 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:::interior_mut_ty_chain (16x) . span_lint_and_then(cx, MUTABLE_KEY_TYPE, span, "mutable key type", |diag| { . for ty in chain.iter().rev() { . diag.note(with_forced_trimmed_paths!(format!( . "... because it contains `{ty}`, which has interior mutability" . ))); . } . }); . } . } 17,280 ( 0.00%) } . } 2,452 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/swap_ptr_to_ref.rs -------------------------------------------------------------------------------- Ir -- line 35 ---------------------------------------- . pub SWAP_PTR_TO_REF, . suspicious, . "call to `mem::swap` using pointer derived references" . } . . declare_lint_pass!(SwapPtrToRef => [SWAP_PTR_TO_REF]); . . impl LateLintPass<'_> for SwapPtrToRef { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, e: &Expr<'_>) { 126,933 ( 0.00%) if let ExprKind::Call(fn_expr, [arg1, arg2]) = e.kind 14,992 ( 0.00%) && fn_expr.basic_res().is_diag_item(cx, sym::mem_swap) . && let ctxt = e.span.ctxt() . && let (from_ptr1, arg1_span) = is_ptr_to_ref(cx, arg1, ctxt) . && let (from_ptr2, arg2_span) = is_ptr_to_ref(cx, arg2, ctxt) . && (from_ptr1 || from_ptr2) . { . span_lint_and_then( . cx, . SWAP_PTR_TO_REF, -- line 53 ---------------------------------------- -- line 63 ---------------------------------------- . "use ptr::swap", . format!("core::ptr::swap({snip1}, {snip2})"), . app, . ); . } . }, . ); . } 416,360 ( 0.01%) } . } . . /// Checks if the expression converts a mutable pointer to a mutable reference. If it is, also . /// returns the span of the pointer expression if it's suitable for making a suggestion. . fn is_ptr_to_ref(cx: &LateContext<'_>, e: &Expr<'_>, ctxt: SyntaxContext) -> (bool, Option) { . if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Mut, borrowed_expr) = e.kind . && let ExprKind::Unary(UnOp::Deref, derefed_expr) = borrowed_expr.kind . && cx.typeck_results().expr_ty(derefed_expr).is_raw_ptr() -- line 79 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/suspicious_trait_impl.rs -------------------------------------------------------------------------------- Ir -- line 55 ---------------------------------------- . . declare_lint_pass!(SuspiciousImpl => [ . SUSPICIOUS_ARITHMETIC_IMPL, . SUSPICIOUS_OP_ASSIGN_IMPL, . ]); . . impl<'tcx> LateLintPass<'tcx> for SuspiciousImpl { . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { 208,136 ( 0.00%) match expr.kind { 246 ( 0.00%) hir::ExprKind::Binary(op, _, _) => { 984 ( 0.00%) check_expr_inner(cx, expr, op.node, op.span); . }, 44 ( 0.00%) hir::ExprKind::AssignOp(op, _, _) => { 66 ( 0.00%) check_expr_inner(cx, expr, op.node.into(), op.span); . }, . _ => {}, . } . } . } . 1,876 ( 0.00%) fn check_expr_inner<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>, binop: hir::BinOpKind, span: Span) { . if let Some((binop_trait_lang, op_assign_trait_lang)) = binop_traits(binop) 721 ( 0.00%) && let Some(binop_trait_id) = cx.tcx.lang_items().get(binop_trait_lang) 3,090 ( 0.00%) => ???:::lang_items (103x) 412 ( 0.00%) && let Some(op_assign_trait_id) = cx.tcx.lang_items().get(op_assign_trait_lang) 3,090 ( 0.00%) => ???:::lang_items (103x) . . // Check for more than one binary operation in the implemented function . // Linting when multiple operations are involved can result in false positives 412 ( 0.00%) && let parent_fn = cx.tcx.hir_get_parent_item(expr.hir_id).def_id 1,957 ( 0.00%) => ???:::hir_get_parent_item (103x) 210 ( 0.00%) && let hir::Node::ImplItem(impl_item) = cx.tcx.hir_node_by_def_id(parent_fn) 16 ( 0.00%) && let hir::ImplItemKind::Fn(_, body_id) = impl_item.kind 8 ( 0.00%) && let body = cx.tcx.hir_body(body_id) 258 ( 0.00%) => ???:::hir_body (4x) 16 ( 0.00%) && let parent_fn = cx.tcx.hir_get_parent_item(expr.hir_id) 76 ( 0.00%) => ???:::hir_get_parent_item (4x) 16 ( 0.00%) && let Some(trait_ref) = trait_ref_of_method(cx, parent_fn) 756 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::trait_ref_of_method (4x) . && let trait_id = trait_ref.path.res.def_id() . && ![binop_trait_id, op_assign_trait_id].contains(&trait_id) . && let Some(&(_, lint)) = [ . (&BINOP_TRAITS, SUSPICIOUS_ARITHMETIC_IMPL), . (&OP_ASSIGN_TRAITS, SUSPICIOUS_OP_ASSIGN_IMPL), . ] . .iter() . .find(|&(ts, _)| ts.iter().any(|&t| Some(trait_id) == cx.tcx.lang_items().get(t))) -- line 95 ---------------------------------------- -- line 101 ---------------------------------------- . span, . format!( . "suspicious use of `{}` in `{}` impl", . binop.as_str(), . cx.tcx.item_name(trait_id) . ), . ); . } 2,144 ( 0.00%) } . . fn count_binops(expr: &hir::Expr<'_>) -> u32 { . let mut count = 0u32; . let _: Option = for_each_expr_without_closures(expr, |e| { . if matches!( . e.kind, . hir::ExprKind::Binary(..) . | hir::ExprKind::Unary(hir::UnOp::Not | hir::UnOp::Neg, _) -- line 117 ---------------------------------------- 1,059 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs -------------------------------------------------------------------------------- Ir -- line 47 ---------------------------------------- . cx.typeck_results . .filter(|results| results.hir_owner == hir_ty.hir_id.owner) . .and_then(|results| results.node_type_opt(hir_ty.hir_id)) . .unwrap_or_else(|| lower_ty(cx.tcx, hir_ty)) . } . . /// Checks if the given type implements copy. . pub fn is_copy<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { 194 ( 0.00%) cx.type_is_copy_modulo_regions(ty) 584 ( 0.00%) => ???:::type_is_copy_modulo_regions (4x) . } . . /// This checks whether a given type is known to implement Debug. . pub fn has_debug_impl<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { . cx.tcx . .get_diagnostic_item(sym::Debug) . .is_some_and(|debug| implements_trait(cx, ty, debug, &[])) . } . . /// Checks whether a type can be partially moved. 9 ( 0.00%) pub fn can_partially_move_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { 4 ( 0.00%) if has_drop(cx, ty) || is_copy(cx, ty) { . return false; . } 4 ( 0.00%) match ty.kind() { . ty::Param(_) => false, 1 ( 0.00%) ty::Adt(def, subs) => def . .all_fields() 12 ( 0.00%) .any(|f| !is_copy(cx, f.ty(cx.tcx, subs).skip_norm_wip())), 413 ( 0.00%) => ???:::ty (3x) . _ => true, . } 8 ( 0.00%) } . . /// Walks into `ty` and returns `true` if any inner type is an instance of the given adt . /// constructor. 72 ( 0.00%) pub fn contains_adt_constructor<'tcx>(ty: Ty<'tcx>, adt: AdtDef<'tcx>) -> bool { 24 ( 0.00%) ty.walk().any(|inner| match inner.kind() { 84 ( 0.00%) => ???:::walk (12x) . GenericArgKind::Type(inner_ty) => inner_ty.ty_adt_def() == Some(adt), . GenericArgKind::Lifetime(_) | GenericArgKind::Const(_) => false, . }) 48 ( 0.00%) } . . /// Walks into `ty` and returns `true` if any inner type is an instance of the given type, or adt . /// constructor of the same type. . /// . /// This method also recurses into opaque type predicates, so call it with `impl Trait` and `U` . /// will also return `true`. . pub fn contains_ty_adt_constructor_opaque<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, needle: Ty<'tcx>) -> bool { . fn contains_ty_adt_constructor_opaque_inner<'tcx>( -- line 94 ---------------------------------------- -- line 161 ---------------------------------------- . // A hash set to ensure that the same opaque type (`impl Trait` in RPIT or TAIT) is not . // visited twice. . let mut seen = FxHashSet::default(); . contains_ty_adt_constructor_opaque_inner(cx, ty, needle, &mut seen) . } . . /// Resolves `::Item` for `T` . /// Do not invoke without first verifying that the type implements `Iterator` 90 ( 0.00%) pub fn get_iterator_item_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option> { 18 ( 0.00%) cx.tcx 36 ( 0.00%) .get_diagnostic_item(sym::Iterator) 1,296 ( 0.00%) => ???:::get_diagnostic_item (18x) 144 ( 0.00%) .and_then(|iter_did| cx.get_associated_type(ty, iter_did, sym::Item)) 172,696 ( 0.00%) => ???:::get_associated_type (18x) . } . . /// Returns true if `ty` is a type on which calling `Clone` through a function instead of . /// as a method, such as `Arc::clone()` is considered idiomatic. . /// . /// Lints should avoid suggesting to replace instances of `ty::Clone()` by `.clone()` for objects . /// of those types. . pub fn should_call_clone_as_function(cx: &LateContext<'_>, ty: Ty<'_>) -> bool { -- line 180 ---------------------------------------- -- line 227 ---------------------------------------- . } . . /// Checks whether a type implements a trait. . /// The function returns false in case the type contains an inference variable. . /// . /// See [Common tools for writing lints] for an example how to use this function and other options. . /// . /// [Common tools for writing lints]: https://github.com/rust-lang/rust-clippy/blob/master/book/src/development/common_tools_writing_lints.md#checking-if-a-type-implements-a-specific-trait 3,640 ( 0.00%) pub fn implements_trait<'tcx>( . cx: &LateContext<'tcx>, . ty: Ty<'tcx>, . trait_id: DefId, . args: &[GenericArg<'tcx>], . ) -> bool { . implements_trait_with_env_from_iter( 560 ( 0.00%) cx.tcx, 280 ( 0.00%) cx.typing_env(), 8,391 ( 0.00%) => ???:::typing_env (280x) . ty, . trait_id, . None, . args.iter().map(|&x| Some(x)), . ) 2,240 ( 0.00%) } . . /// Same as `implements_trait` but allows using a `ParamEnv` different from the lint context. . /// . /// The `callee_id` argument is used to determine whether this is a function call in a `const fn` . /// environment, used for checking const traits. 14 ( 0.00%) pub fn implements_trait_with_env<'tcx>( . tcx: TyCtxt<'tcx>, . typing_env: ty::TypingEnv<'tcx>, . ty: Ty<'tcx>, . trait_id: DefId, . callee_id: Option, . args: &[GenericArg<'tcx>], . ) -> bool { . implements_trait_with_env_from_iter(tcx, typing_env, ty, trait_id, callee_id, args.iter().map(|&x| Some(x))) 16 ( 0.00%) } . . /// Same as `implements_trait_from_env` but takes the arguments as an iterator. . pub fn implements_trait_with_env_from_iter<'tcx>( . tcx: TyCtxt<'tcx>, . typing_env: ty::TypingEnv<'tcx>, . ty: Ty<'tcx>, . trait_id: DefId, . callee_id: Option, . args: impl IntoIterator>>>, . ) -> bool { . // Clippy shouldn't have infer types 282 ( 0.00%) assert!(!ty.has_infer()); . . // If a `callee_id` is passed, then we assert that it is a body owner . // through calling `body_owner_kind`, which would panic if the callee . // does not have a body. 4 ( 0.00%) if let Some(callee_id) = callee_id { 6 ( 0.00%) let _ = tcx.hir_body_owner_kind(callee_id); 136 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/hir/map.rs:::hir_body_owner_kind:: (2x) . } . . let ty = tcx.erase_and_anonymize_regions(ty); 282 ( 0.00%) if ty.has_escaping_bound_vars() { . return false; . } . 1,978 ( 0.00%) let (infcx, param_env) = tcx.infer_ctxt().build_with_typing_env(typing_env); 250 ( 0.00%) => ???:0x0000000000173dc0 (2x) 224 ( 0.00%) => ???:::build_with_typing_env (2x) . let args = args . .into_iter() . .map(|arg| arg.into().unwrap_or_else(|| infcx.next_ty_var(DUMMY_SP).into())) . .collect::>(); . . let trait_ref = TraitRef::new(tcx, trait_id, [GenericArg::from(ty)].into_iter().chain(args)); . . debug_assert_matches!( . tcx.def_kind(trait_id), . DefKind::Trait | DefKind::TraitAlias, . "`DefId` must belong to a trait or trait alias" . ); . #[cfg(debug_assertions)] . assert_generic_args_match(tcx, trait_id, trait_ref.args); . 2,536 ( 0.00%) let obligation = Obligation { . cause: ObligationCause::dummy(), . param_env, . recursion_depth: 0, . predicate: trait_ref.upcast(tcx), . }; . infcx 282 ( 0.00%) .evaluate_obligation(&obligation) 3,641 ( 0.00%) => ???:::evaluate_obligation (2x) . .is_ok_and(EvaluationResult::must_apply_modulo_regions) 282 ( 0.00%) } 500 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (2x) . . /// Checks whether this type implements `Drop`. . pub fn has_drop<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { . match ty.ty_adt_def() { 2 ( 0.00%) Some(def) => def.has_dtor(cx.tcx), 44 ( 0.00%) => ???:::has_dtor (1x) . None => false, . } . } . . /// Returns whether the `ty` has `#[must_use]` attribute, or acts like it does according to the . /// compiler determination. For example, if `ty` is a `Result`/`ControlFlow` whose `Err`/`Break` . /// payload is an uninhabited type, the `Ok`/`Continue` payload type will be used instead. . /// . /// The [`MustUsePath`] can be used to describe the type through [`describe_must_use_type`]. 3 ( 0.00%) pub fn opt_must_use_path<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option { . // `is_ty_must_use` requires an expression, whose `hir_id` will be used to determine whether . // certain types are visibly uninhabited from the module containing the expression. . // `cx.last_node_with_lint_attrs` is initialized to the crate/module `hir_id` when linting . // a new crate/module. If it is overriden, it is with an `hir_id` pertaining to the same . // create/module. We can use this in a dummy expression instead of asking all callers . // to provide a local `hir_id` which would not add more information. 6 ( 0.00%) let dummy_expr = Expr { 1 ( 0.00%) hir_id: cx.last_node_with_lint_attrs, . span: DUMMY_SP, . kind: ExprKind::Ret(None), . }; 3 ( 0.00%) match is_ty_must_use(cx, ty, &dummy_expr) { 868 ( 0.00%) => ???:rustc_lint::unused::must_use::is_ty_must_use (1x) 4 ( 0.00%) IsTyMustUse::Yes(path) => Some(path), . _ => None, . } 4 ( 0.00%) } . . /// Describe a [`MustUsePath`] returned by [`opt_must_use_path`]. . pub fn describe_must_use_type(cx: &LateContext<'_>, path: &MustUsePath) -> String { . describe_must_use_type_inner(cx, path, "", "", 1) . } . . // This is a rip-off from the compiler's `rustc_lint/src/unused/must_use.rs` . fn describe_must_use_type_inner( -- line 354 ---------------------------------------- -- line 432 ---------------------------------------- . } . . /// Returns `true` if the given type is a non aggregate primitive (a `bool` or `char`, any . /// integer or floating-point number type). . /// . /// For checking aggregation of primitive types (e.g. tuples and slices of primitive type) see . /// `is_recursively_primitive_type` . pub fn is_non_aggregate_primitive_type(ty: Ty<'_>) -> bool { 2 ( 0.00%) matches!(ty.kind(), ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_)) . } . . /// Returns `true` if the given type is a primitive (a `bool` or `char`, any integer or . /// floating-point number type, a `str`, or an array, slice, or tuple of those types). . pub fn is_recursively_primitive_type(ty: Ty<'_>) -> bool { . match *ty.kind() { . ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Str => true, . ty::Ref(_, inner, _) if inner.is_str() => true, -- line 448 ---------------------------------------- -- line 449 ---------------------------------------- . ty::Array(inner_type, _) | ty::Slice(inner_type) => is_recursively_primitive_type(inner_type), . ty::Tuple(inner_types) => inner_types.iter().all(is_recursively_primitive_type), . _ => false, . } . } . . /// Return `true` if the passed `typ` is `isize` or `usize`. . pub fn is_isize_or_usize(typ: Ty<'_>) -> bool { 74 ( 0.00%) matches!(typ.kind(), ty::Int(IntTy::Isize) | ty::Uint(UintTy::Usize)) . } . . /// Checks if the drop order for a type matters. . /// . /// Some std types implement drop solely to deallocate memory. For these types, and composites . /// containing them, changing the drop order won't result in any observable side effects. 64 ( 0.00%) pub fn needs_ordered_drop<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { 890 ( 0.00%) fn needs_ordered_drop_inner<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, seen: &mut FxHashSet>) -> bool { 178 ( 0.00%) if !seen.insert(ty) { . return false; . } 590 ( 0.00%) if !ty.has_significant_drop(cx.tcx, cx.typing_env()) { 960 ( 0.00%) => ???:::typing_env (32x) . false . } . // Check for std types which implement drop, but only for memory allocation. 66 ( 0.00%) else if ty.is_lang_item(cx, LangItem::OwnedBox) 528 ( 0.00%) || matches!( . ty.opt_diag_name(cx), . Some(sym::HashSet | sym::Rc | sym::Arc | sym::cstring_type | sym::RcWeak | sym::ArcWeak) . ) . { . // Check all of the generic arguments. . if let ty::Adt(_, subs) = ty.kind() { . subs.types().any(|ty| needs_ordered_drop_inner(cx, ty, seen)) . } else { . true . } 132 ( 0.00%) } else if !cx . .tcx 132 ( 0.00%) .lang_items() 330 ( 0.00%) => ???:::lang_items (11x) . .drop_trait() 462 ( 0.00%) .is_some_and(|id| implements_trait(cx, ty, id, &[])) 21,729 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::implements_trait (11x) . { . // This type doesn't implement drop, so no side effects here. . // Check if any component type has any. 330 ( 0.00%) match ty.kind() { . ty::Tuple(fields) => fields.iter().any(|ty| needs_ordered_drop_inner(cx, ty, seen)), . ty::Array(ty, _) => needs_ordered_drop_inner(cx, *ty, seen), 55 ( 0.00%) ty::Adt(adt, subs) => adt . .all_fields() 228 ( 0.00%) .map(|f| f.ty(cx.tcx, subs).skip_norm_wip()) 976 ( 0.00%) => ???:::ty (13x) 171 ( 0.00%) .any(|ty| needs_ordered_drop_inner(cx, ty, seen)), 522,997 ( 0.01%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::needs_ordered_drop::needs_ordered_drop_inner'2 (13x) . _ => true, . } . } else { . true . } 712 ( 0.00%) } . 32 ( 0.00%) needs_ordered_drop_inner(cx, ty, &mut FxHashSet::default()) 899,735 ( 0.02%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::needs_ordered_drop::needs_ordered_drop_inner (32x) 96 ( 0.00%) } . . /// Returns `true` if `ty` denotes an `unsafe fn`. . pub fn is_unsafe_fn<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { . ty.is_fn() && ty.fn_sig(cx.tcx).safety().is_unsafe() . } . . /// Peels off all references on the type. Returns the underlying type, the number of references . /// removed, and, if there were any such references, whether the pointer is ultimately mutable or . /// not. 238 ( 0.00%) pub fn peel_and_count_ty_refs(mut ty: Ty<'_>) -> (Ty<'_>, usize, Option) { . let mut count = 0; . let mut mutbl = None; 654 ( 0.00%) while let ty::Ref(_, dest_ty, m) = ty.kind() { 89 ( 0.00%) ty = *dest_ty; 89 ( 0.00%) count += 1; . mutbl.replace(mutbl.map_or(*m, |mutbl: Mutability| mutbl.min(*m))); . } 714 ( 0.00%) (ty, count, mutbl) 238 ( 0.00%) } . . /// Peels off `n` references on the type. Returns the underlying type and, if any references . /// were removed, whether the pointer is ultimately mutable or not. . pub fn peel_n_ty_refs(mut ty: Ty<'_>, n: usize) -> (Ty<'_>, Option) { . let mut mutbl = None; . for _ in 0..n { . if let ty::Ref(_, dest_ty, m) = ty.kind() { . ty = *dest_ty; -- line 535 ---------------------------------------- -- line 547 ---------------------------------------- . /// For example, the function would return `true` for . /// - `u32` and `u32` . /// - `[u8; N]` and `[u8; M]`, if `N=M` . /// - `Option` and `Option`, if `same_type_modulo_regions(T, U)` holds . /// - `&'a str` and `&'b str` . /// . /// and `false` for: . /// - `Result` and `Result` 1,246 ( 0.00%) pub fn same_type_modulo_regions<'tcx>(a: Ty<'tcx>, b: Ty<'tcx>) -> bool { 1,685 ( 0.00%) match (a.kind(), b.kind()) { . (ty::Adt(did_a, args_a), ty::Adt(did_b, args_b)) => { 111 ( 0.00%) if did_a != did_b { . return false; . } . 16 ( 0.00%) iter::zip(*args_a, *args_b).all(|(arg_a, arg_b)| match (arg_a.kind(), arg_b.kind()) { . (GenericArgKind::Const(inner_a), GenericArgKind::Const(inner_b)) => inner_a == inner_b, . (GenericArgKind::Type(type_a), GenericArgKind::Type(type_b)) => { 12 ( 0.00%) same_type_modulo_regions(type_a, type_b) 104 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::same_type_modulo_regions'2 (4x) . }, . _ => true, . }) . }, 15 ( 0.00%) (ty::Ref(_, a, mut_a), ty::Ref(_, b, mut_b)) => mut_a == mut_b && same_type_modulo_regions(*a, *b), . (ty::Tuple(as_), ty::Tuple(bs)) => over(as_, bs, |a, b| same_type_modulo_regions(*a, *b)), . (ty::Array(a, na), ty::Array(b, nb)) => na == nb && same_type_modulo_regions(*a, *b), . _ => a == b, . } 1,068 ( 0.00%) } . . /// Checks if a given type looks safe to be uninitialized. . pub fn is_uninit_value_valid_for_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { . match cx.layout_of(ty) { . Ok(layout) => is_uninit_value_valid_for_layout(cx, layout), . // The type layout is either not concrete enough yet or too large, fall back to structural check instead . Err(LayoutError::TooGeneric(_) | LayoutError::SizeOverflow(_)) => is_uninit_value_valid_for_ty_fallback(cx, ty), . Err(_) => false, -- line 583 ---------------------------------------- -- line 696 ---------------------------------------- . pub enum ExprFnSig<'tcx> { . Sig(Binder<'tcx, FnSig<'tcx>>, Option), . Closure(Option<&'tcx FnDecl<'tcx>>, Binder<'tcx, FnSig<'tcx>>), . Trait(Binder<'tcx, Ty<'tcx>>, Option>>, Option), . } . impl<'tcx> ExprFnSig<'tcx> { . /// Gets the argument type at the given offset. This will return `None` when the index is out of . /// bounds only for variadic functions, otherwise this will panic. 15 ( 0.00%) pub fn input(self, i: usize) -> Option>> { 15 ( 0.00%) match self { 6 ( 0.00%) Self::Sig(sig, _) => { 3 ( 0.00%) if sig.c_variadic() { . sig.inputs().map_bound(|inputs| inputs.get(i).copied()).transpose() . } else { . Some(sig.input(i)) . } . }, . Self::Closure(_, sig) => Some(sig.input(0).map_bound(|ty| ty.tuple_fields()[i])), . Self::Trait(inputs, _, _) => Some(inputs.map_bound(|ty| ty.tuple_fields()[i])), . } 18 ( 0.00%) } . . /// Gets the argument type at the given offset. For closures this will also get the type as . /// written. This will return `None` when the index is out of bounds only for variadic . /// functions, otherwise this will panic. 3,208 ( 0.00%) pub fn input_with_hir(self, i: usize) -> Option<(Option<&'tcx hir::Ty<'tcx>>, Binder<'tcx, Ty<'tcx>>)> { 2,005 ( 0.00%) match self { 794 ( 0.00%) Self::Sig(sig, _) => { 397 ( 0.00%) if sig.c_variadic() { . sig.inputs() . .map_bound(|inputs| inputs.get(i).copied()) . .transpose() . .map(|arg| (None, arg)) . } else { . Some((None, sig.input(i))) . } . }, . Self::Closure(decl, sig) => Some(( . decl.and_then(|decl| decl.inputs.get(i)), . sig.input(0).map_bound(|ty| ty.tuple_fields()[i]), . )), 32 ( 0.00%) Self::Trait(inputs, _, _) => Some((None, inputs.map_bound(|ty| ty.tuple_fields()[i]))), . } 3,208 ( 0.00%) } . . /// Gets the result type, if one could be found. Note that the result type of a trait may not be . /// specified. . pub fn output(self) -> Option>> { . match self { . Self::Sig(sig, _) | Self::Closure(_, sig) => Some(sig.output()), . Self::Trait(_, output, _) => output, . } . } . . pub fn predicates_id(&self) -> Option { 831 ( 0.00%) if let ExprFnSig::Sig(_, id) | ExprFnSig::Trait(_, _, id) = *self { . id . } else { . None . } . } . } . . /// If the expression is function like, get the signature for it. 3,208 ( 0.00%) pub fn expr_sig<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>) -> Option> { 3,803 ( 0.00%) if let Res::Def(DefKind::Fn | DefKind::Ctor(_, CtorKind::Fn) | DefKind::AssocFn, id) = expr.res(cx) { 2,709 ( 0.00%) Some(ExprFnSig::Sig( 387 ( 0.00%) cx.tcx.fn_sig(id).instantiate_identity().skip_norm_wip(), . Some(id), . )) . } else { 84 ( 0.00%) ty_sig(cx, cx.typeck_results().expr_ty_adjusted(expr).peel_refs()) 3,592 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::ty_sig (14x) 902 ( 0.00%) => ???:::expr_ty_adjusted (14x) . } 3,595 ( 0.00%) } . . /// If the type is function like, get the signature for it. 187 ( 0.00%) pub fn ty_sig<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option> { 68 ( 0.00%) if let Some(boxed_ty) = ty.boxed_ty() { 102 ( 0.00%) => ???:::boxed_ty (17x) . return ty_sig(cx, boxed_ty); . } 136 ( 0.00%) match *ty.kind() { . ty::Closure(id, subs) => { . let decl = id . .as_local() . .and_then(|id| cx.tcx.hir_fn_decl_by_hir_id(cx.tcx.local_def_id_to_hir_id(id))); . Some(ExprFnSig::Closure(decl, subs.as_closure().sig())) . }, 21 ( 0.00%) ty::FnDef(id, subs) => Some(ExprFnSig::Sig( 3 ( 0.00%) cx.tcx . .fn_sig(id) . .instantiate(cx.tcx, subs.no_bound_vars().unwrap()) . .skip_norm_wip(), . Some(id), 3 ( 0.00%) )), . ty::Alias( . _, . AliasTy { . kind: ty::Opaque { def_id }, . args, . .. . }, . ) => sig_from_bounds( -- line 797 ---------------------------------------- -- line 798 ---------------------------------------- . cx, . ty, . cx.tcx . .item_self_bounds(def_id) . .iter_instantiated(cx.tcx, args) . .map(Unnormalized::skip_norm_wip), . cx.tcx.opt_parent(def_id), . ), 90 ( 0.00%) ty::FnPtr(sig_tys, hdr) => Some(ExprFnSig::Sig(sig_tys.with(hdr), None)), . ty::Dynamic(bounds, _) => { . let lang_items = cx.tcx.lang_items(); . match bounds.principal() { . Some(bound) . if Some(bound.def_id()) == lang_items.fn_trait() . || Some(bound.def_id()) == lang_items.fn_once_trait() . || Some(bound.def_id()) == lang_items.fn_mut_trait() => . { -- line 814 ---------------------------------------- -- line 823 ---------------------------------------- . }, . ty::Alias(_, alias) if let Some(proj) = alias.try_to_projection() => match cx . .tcx . .try_normalize_erasing_regions(cx.typing_env(), Unnormalized::new_wip(ty)) . { . Ok(normalized_ty) if normalized_ty != ty => ty_sig(cx, normalized_ty), . _ => sig_for_projection(cx, proj).or_else(|| sig_from_bounds(cx, ty, cx.param_env.caller_bounds(), None)), . }, 12 ( 0.00%) ty::Param(_) => sig_from_bounds(cx, ty, cx.param_env.caller_bounds(), None), . _ => None, . } 157 ( 0.00%) } . 40 ( 0.00%) fn sig_from_bounds<'tcx>( . cx: &LateContext<'tcx>, . ty: Ty<'tcx>, . clauses: impl IntoIterator>, . predicates_id: Option, . ) -> Option> { . let mut inputs = None; . let mut output = None; 12 ( 0.00%) let lang_items = cx.tcx.lang_items(); 120 ( 0.00%) => ???:::lang_items (4x) . . for clause in clauses { 208 ( 0.00%) match clause.kind().skip_binder() { 560 ( 0.00%) => ???:::kind (40x) . ty::ClauseKind::Trait(p) 4 ( 0.00%) if (lang_items.fn_trait() == Some(p.def_id()) 4 ( 0.00%) || lang_items.fn_mut_trait() == Some(p.def_id()) 4 ( 0.00%) || lang_items.fn_once_trait() == Some(p.def_id())) 12 ( 0.00%) && p.self_ty() == ty => . { 36 ( 0.00%) let i = clause.kind().rebind(p.trait_ref.args.type_at(1)); 168 ( 0.00%) => ???:::kind (12x) . if inputs.is_some_and(|inputs| i != inputs) { . // Multiple different fn trait impls. Is this even allowed? . return None; . } . inputs = Some(i); . }, 40 ( 0.00%) ty::ClauseKind::Projection(p) . if Some(p.projection_term.expect_projection_def_id()) == lang_items.fn_once_output() . && p.projection_term.self_ty() == ty => . { 4 ( 0.00%) if output.is_some() { . // Multiple different fn trait impls. Is this even allowed? . return None; . } 24 ( 0.00%) output = Some(clause.kind().rebind(p.term.expect_type())); 56 ( 0.00%) => ???:::kind (4x) 20 ( 0.00%) => ???:::expect_type (4x) . }, . _ => (), . } . } . . inputs.map(|ty| ExprFnSig::Trait(ty, output, predicates_id)) 32 ( 0.00%) } . . fn sig_for_projection<'tcx>(cx: &LateContext<'tcx>, ty: ProjectionAliasTy<'tcx>) -> Option> { . let mut inputs = None; . let mut output = None; . let lang_items = cx.tcx.lang_items(); . . for (pred, _) in cx . .tcx -- line 884 ---------------------------------------- -- line 1004 ---------------------------------------- . pub size: u64, . . /// (ind, size) . pub fields_size: Vec<(usize, u64)>, . } . . impl AdtVariantInfo { . /// Returns ADT variants ordered by size 45 ( 0.00%) pub fn new<'tcx>(cx: &LateContext<'tcx>, adt: AdtDef<'tcx>, subst: GenericArgsRef<'tcx>) -> Vec { . let mut variants_size = adt . .variants() . .iter() . .enumerate() . .map(|(i, variant)| { . let mut fields_size = variant . .fields . .iter() . .enumerate() 175 ( 0.00%) .map(|(i, f)| (i, approx_ty_size(cx, f.ty(cx.tcx, subst).skip_norm_wip()))) 635,882 ( 0.01%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::approx_ty_size (25x) 2,724 ( 0.00%) => ???:::ty (25x) . .collect::>(); . fields_size.sort_by_key(|(_, a_size)| *a_size); . . Self { . ind: i, . size: fields_size.iter().map(|(_, size)| size).sum(), 196 ( 0.00%) fields_size, . } . }) . .collect::>(); . variants_size.sort_by_key(|b| std::cmp::Reverse(b.size)); 60 ( 0.00%) variants_size 60 ( 0.00%) } . } . . /// Gets the struct or enum variant from the given `Res` 28 ( 0.00%) pub fn adt_and_variant_of_res<'tcx>(cx: &LateContext<'tcx>, res: Res) -> Option<(AdtDef<'tcx>, &'tcx VariantDef)> { 48 ( 0.00%) match res { 8 ( 0.00%) Res::Def(DefKind::Struct, id) => { 4 ( 0.00%) let adt = cx.tcx.adt_def(id); . Some((adt, adt.non_enum_variant())) . }, . Res::Def(DefKind::Variant, id) => { . let adt = cx.tcx.adt_def(cx.tcx.parent(id)); . Some((adt, adt.variant_with_id(id))) . }, . Res::Def(DefKind::Ctor(CtorOf::Struct, _), id) => { . let adt = cx.tcx.adt_def(cx.tcx.parent(id)); -- line 1050 ---------------------------------------- -- line 1062 ---------------------------------------- . .instantiate_identity() . .skip_norm_wip() . .ty_adt_def() . .unwrap(); . Some((adt, adt.non_enum_variant())) . }, . _ => None, . } 36 ( 0.00%) } . . /// Comes up with an "at least" guesstimate for the type's size, not taking into . /// account the layout of type parameters. 517 ( 0.00%) pub fn approx_ty_size<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> u64 { . use rustc_middle::ty::layout::LayoutOf as _; 47 ( 0.00%) match (cx.layout_of(ty).map(|layout| layout.size.bytes()), ty.kind()) { 47 ( 0.00%) (Ok(size), _) => size, . (Err(_), ty::Tuple(list)) => list.iter().map(|t| approx_ty_size(cx, t)).sum(), . (Err(_), ty::Array(t, n)) => n.try_to_target_usize(cx.tcx).unwrap_or_default() * approx_ty_size(cx, *t), . (Err(_), ty::Adt(def, subst)) if def.is_struct() => def . .variants() . .iter() . .map(|v| { . v.fields . .iter() -- line 1085 ---------------------------------------- -- line 1107 ---------------------------------------- . .map(|field| approx_ty_size(cx, field.ty(cx.tcx, subst).skip_norm_wip())) . .max() . .unwrap_or_default() . }) . .max() . .unwrap_or_default(), . (Err(_), _) => 0, . } 423 ( 0.00%) } . . #[cfg(debug_assertions)] . /// Asserts that the given arguments match the generic parameters of the given item. . fn assert_generic_args_match<'tcx>(tcx: TyCtxt<'tcx>, did: DefId, args: &[GenericArg<'tcx>]) { . use itertools::Itertools as _; . let g = tcx.generics_of(did); . let parent = g.parent.map(|did| tcx.generics_of(did)); . let count = g.parent_count + g.own_params.len(); -- line 1123 ---------------------------------------- -- line 1160 ---------------------------------------- . param.descr(), . params.clone().map(ty::GenericParamDefKind::descr).format(", "), . ); . } . } . . /// Returns whether `ty` is never-like; i.e., `!` (never) or an enum with zero variants. . pub fn is_never_like(ty: Ty<'_>) -> bool { 9 ( 0.00%) ty.is_never() || (ty.is_enum() && ty.ty_adt_def().is_some_and(|def| def.variants().is_empty())) . } . . /// Makes the projection type for the named associated type in the given impl or trait impl. . /// . /// This function is for associated types which are "known" to exist, and as such, will only return . /// `None` when debug assertions are disabled in order to prevent ICE's. With debug assertions . /// enabled this will check that the named associated type exists, the correct number of . /// arguments are given, and that the correct kinds of arguments are given (lifetime, . /// constant or type). This will not check if type normalization would succeed. . pub fn make_projection<'tcx>( . tcx: TyCtxt<'tcx>, . container_id: DefId, . assoc_ty: Symbol, . args: impl IntoIterator>>, . ) -> Option> { 490 ( 0.00%) fn helper<'tcx>( . tcx: TyCtxt<'tcx>, . container_id: DefId, . assoc_ty: Symbol, . args: GenericArgsRef<'tcx>, . ) -> Option> { 280 ( 0.00%) let Some(assoc_item) = tcx.associated_items(container_id).find_by_ident_and_kind( 12,984 ( 0.00%) => ???:::find_by_ident_and_kind (35x) . tcx, . Ident::with_dummy_span(assoc_ty), . AssocTag::Type, . container_id, . ) else { . debug_assert!(false, "type `{assoc_ty}` not found in `{container_id:?}`"); . return None; . }; . #[cfg(debug_assertions)] . assert_generic_args_match(tcx, assoc_item.def_id, args); . 210 ( 0.00%) let kind = if let DefKind::Impl { of_trait: false } = tcx.def_kind(tcx.parent(assoc_item.def_id)) { . ty::AliasTyKind::Inherent { . def_id: assoc_item.def_id, . } . } else { . ty::AliasTyKind::Projection { . def_id: assoc_item.def_id, . } . }; . 140 ( 0.00%) Some(AliasTy::new_from_args(tcx, kind, args)) 280 ( 0.00%) } 245 ( 0.00%) helper( 23,624 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::make_projection::helper (35x) . tcx, . container_id, . assoc_ty, . tcx.mk_args_from_iter(args.into_iter().map(Into::into)), . ) . } . . /// Normalizes the named associated type in the given impl or trait impl. -- line 1222 ---------------------------------------- -- line 1227 ---------------------------------------- . /// succeeds as well as everything checked by `make_projection`. . pub fn make_normalized_projection<'tcx>( . tcx: TyCtxt<'tcx>, . typing_env: ty::TypingEnv<'tcx>, . container_id: DefId, . assoc_ty: Symbol, . args: impl IntoIterator>>, . ) -> Option> { 175 ( 0.00%) fn helper<'tcx>(tcx: TyCtxt<'tcx>, typing_env: ty::TypingEnv<'tcx>, ty: AliasTy<'tcx>) -> Option> { . #[cfg(debug_assertions)] . if let Some((i, arg)) = ty . .args . .iter() . .enumerate() . .find(|(_, arg)| arg.has_escaping_bound_vars()) . { . debug_assert!( . false, . "args contain late-bound region at index `{i}` which can't be normalized.\n\ . use `TyCtxt::instantiate_bound_regions_with_erased`\n\ . note: arg is `{arg:#?}`", . ); . return None; . } 70 ( 0.00%) match tcx.try_normalize_erasing_regions( . typing_env, . Unnormalized::new_wip(Ty::new_alias(tcx, ty::IsRigid::No, ty)), . ) { . Ok(ty) => Some(ty), . Err(e) => { . debug_assert!(false, "failed to normalize type `{ty}`: {e:#?}"); . None . }, . } 140 ( 0.00%) } 175 ( 0.00%) helper(tcx, typing_env, make_projection(tcx, container_id, assoc_ty, args)?) 155,198 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::make_normalized_projection::helper (35x) 35 ( 0.00%) } . . /// Helper to check if given type has inner mutability such as [`std::cell::Cell`] or . /// [`std::cell::RefCell`]. . #[derive(Default, Debug)] . pub struct InteriorMut<'tcx> { . ignored_def_ids: FxHashSet, . ignore_pointers: bool, . tys: FxHashMap, Option<&'tcx ty::List>>>, . } . . impl<'tcx> InteriorMut<'tcx> { 4 ( 0.00%) pub fn new(tcx: TyCtxt<'tcx>, ignore_interior_mutability: &[String]) -> Self { . let ignored_def_ids = ignore_interior_mutability . .iter() 8 ( 0.00%) .flat_map(|ignored_ty| lookup_path_str(tcx, PathNS::Type, ignored_ty)) 16,719 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/paths.rs:clippy_utils::paths::lookup_path_str (2x) . .collect(); . 5 ( 0.00%) Self { . ignored_def_ids, . ..Self::default() . } 4 ( 0.00%) } . 4 ( 0.00%) pub fn without_pointers(tcx: TyCtxt<'tcx>, ignore_interior_mutability: &[String]) -> Self { 7 ( 0.00%) Self { . ignore_pointers: true, . ..Self::new(tcx, ignore_interior_mutability) . } 4 ( 0.00%) } . . /// Check if given type has interior mutability such as [`std::cell::Cell`] or . /// [`std::cell::RefCell`] etc. and if it does, returns a chain of types that causes . /// this type to be interior mutable. False negatives may be expected for infinitely recursive . /// types, and `None` will be returned there. . pub fn interior_mut_ty_chain(&mut self, cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<&'tcx ty::List>> { 40 ( 0.00%) self.interior_mut_ty_chain_inner(cx, ty, 0) 14,987 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:::interior_mut_ty_chain_inner (16x) . } . 8,107 ( 0.00%) fn interior_mut_ty_chain_inner( . &mut self, . cx: &LateContext<'tcx>, . ty: Ty<'tcx>, . depth: usize, . ) -> Option<&'tcx ty::List>> { 2,948 ( 0.00%) if !cx.tcx.recursion_limit().value_within_limit(depth) { 600 ( 0.00%) => ???:::recursion_limit (20x) . return None; . } . . match self.tys.entry(ty) { 386 ( 0.00%) Entry::Occupied(o) => return *o.get(), . // Temporarily insert a `None` to break cycles . Entry::Vacant(v) => v.insert(None), . }; 702 ( 0.00%) let depth = depth + 1; . 2,788 ( 0.00%) let chain = match *ty.kind() { 4 ( 0.00%) ty::RawPtr(inner_ty, _) if !self.ignore_pointers => self.interior_mut_ty_chain_inner(cx, inner_ty, depth), . ty::Ref(_, inner_ty, _) | ty::Slice(inner_ty) => self.interior_mut_ty_chain_inner(cx, inner_ty, depth), 6 ( 0.00%) ty::Array(inner_ty, size) if size.try_to_target_usize(cx.tcx) != Some(0) => { . self.interior_mut_ty_chain_inner(cx, inner_ty, depth) . }, 20 ( 0.00%) ty::Tuple(fields) => fields . .iter() 80 ( 0.00%) .find_map(|ty| self.interior_mut_ty_chain_inner(cx, ty, depth)), 438,971 ( 0.01%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:::interior_mut_ty_chain_inner'2 (20x) 646 ( 0.00%) ty::Adt(def, _) if def.is_unsafe_cell() => Some(ty::List::empty()), 322 ( 0.00%) ty::Adt(def, args) => { 1,664 ( 0.00%) let is_std_collection = matches!( 322 ( 0.00%) cx.tcx.get_diagnostic_name(def.did()), 292 ( 0.00%) => ???:::get_diagnostic_name (6x) . Some( . sym::LinkedList . | sym::Vec . | sym::VecDeque . | sym::BTreeMap . | sym::BTreeSet . | sym::HashMap . | sym::HashSet . | sym::Arc . | sym::Rc . ) . ); . 304 ( 0.00%) if is_std_collection || def.is_box() { . // Include the types from std collections that are behind pointers internally . args.types() 256 ( 0.00%) .find_map(|ty| self.interior_mut_ty_chain_inner(cx, ty, depth)) 184,067 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:::interior_mut_ty_chain_inner'2 (12x) 870 ( 0.00%) } else if self.ignored_def_ids.contains(&def.did()) || def.is_phantom_data() { . None . } else { . def.all_fields() 5,016 ( 0.00%) .find_map(|f| self.interior_mut_ty_chain_inner(cx, f.ty(cx.tcx, args).skip_norm_wip(), depth)) 236,652 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:::interior_mut_ty_chain_inner'2 (37x) 2,456 ( 0.00%) => ???:::ty (37x) . } . }, . ty::Alias( . _, . AliasTy { . kind: ty::Projection { .. }, . .. . }, 4 ( 0.00%) ) => match cx . .tcx 18 ( 0.00%) .try_normalize_erasing_regions(cx.typing_env(), Unnormalized::new_wip(ty)) 3,452 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs:::try_normalize_erasing_regions:: (2x) 60 ( 0.00%) => ???:::typing_env (2x) . { . Ok(normalized_ty) if ty != normalized_ty => self.interior_mut_ty_chain_inner(cx, normalized_ty, depth), . _ => None, 325 ( 0.00%) }, . _ => None, . }; . . chain.map(|chain| { 4 ( 0.00%) let list = cx.tcx.mk_type_list_from_iter(chain.iter().chain([ty])); . self.tys.insert(ty, Some(list)); . list . }) 6,633 ( 0.00%) } . . /// Check if given type has interior mutability such as [`std::cell::Cell`] or . /// [`std::cell::RefCell`] etc. 4 ( 0.00%) pub fn is_interior_mut_ty(&mut self, cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { . self.interior_mut_ty_chain(cx, ty).is_some() 8 ( 0.00%) } . } . . pub fn make_normalized_projection_with_regions<'tcx>( . tcx: TyCtxt<'tcx>, . typing_env: ty::TypingEnv<'tcx>, . container_id: DefId, . assoc_ty: Symbol, . args: impl IntoIterator>>, -- line 1391 ---------------------------------------- -- line 1434 ---------------------------------------- . /// Checks if the type is `core::mem::ManuallyDrop<_>` . pub fn is_manually_drop(ty: Ty<'_>) -> bool { . ty.ty_adt_def().is_some_and(AdtDef::is_manually_drop) . } . . /// Returns the deref chain of a type, starting with the type itself. . pub fn deref_chain<'cx, 'tcx>(cx: &'cx LateContext<'tcx>, ty: Ty<'tcx>) -> impl Iterator> + 'cx { . iter::successors(Some(ty), |&ty| { 268 ( 0.00%) if let Some(deref_did) = cx.tcx.lang_items().deref_trait() 2,010 ( 0.00%) => ???:::lang_items (67x) 737 ( 0.00%) && implements_trait(cx, ty, deref_did, &[]) 179,758 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::implements_trait (67x) . { 70 ( 0.00%) make_normalized_projection(cx.tcx, cx.typing_env(), deref_did, sym::Target, [ty]) 1,050 ( 0.00%) => ???:::typing_env (35x) . } else { . None . } . }) . } . . /// Checks if a Ty<'_> has some inherent method Symbol. . /// . /// This does not look for impls in the type's `Deref::Target` type. . /// If you need this, you should wrap this call in `clippy_utils::ty::deref_chain().any(...)`. 176 ( 0.00%) pub fn get_adt_inherent_method<'a>(cx: &'a LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> Option<&'a AssocItem> { . let ty_did = ty.ty_adt_def().map(AdtDef::did)?; 20 ( 0.00%) cx.tcx.inherent_impls(ty_did).iter().find_map(|&did| { . cx.tcx . .associated_items(did) 324 ( 0.00%) .filter_by_name_unhygienic(method_name) 7,621 ( 0.00%) => ???:::filter_by_name_unhygienic (108x) . .next() . .filter(|item| item.tag() == AssocTag::Fn) . }) 176 ( 0.00%) } . . /// Gets the type of a field by name. . pub fn get_field_by_name<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, name: Symbol) -> Option> { . match *ty.kind() { . ty::Adt(def, args) if def.is_union() || def.is_struct() => def . .non_enum_variant() . .fields . .iter() . .find(|f| f.name == name) . .map(|f| f.ty(tcx, args).skip_norm_wip()), . ty::Tuple(args) => name.as_str().parse::().ok().and_then(|i| args.get(i).copied()), . _ => None, . } . } . 1,091 ( 0.00%) pub fn get_field_def_id_by_name(ty: Ty<'_>, name: Symbol) -> Option { 2,182 ( 0.00%) let ty::Adt(adt_def, ..) = ty.kind() else { return None }; 1,026 ( 0.00%) adt_def . .all_fields() . .find_map(|field| if field.name == name { Some(field.did) } else { None }) 1,091 ( 0.00%) } . . /// Check if `ty` is an `Option` and return its argument type if it is. . pub fn option_arg_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option> { 1,156 ( 0.00%) match *ty.kind() { . ty::Adt(adt, args) 1,344 ( 0.00%) if let [arg] = &**args 89 ( 0.00%) && let Some(arg) = arg.as_type() 36 ( 0.00%) && adt.is_diag_item(cx, sym::Option) => . { . Some(arg) . }, . _ => None, . } 578 ( 0.00%) } . . /// Check if `ty` is an `Option` or a `Result` and return its argument type (`T`) if it is. . pub fn option_or_result_arg_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option> { . match ty.kind() { . ty::Adt(adt, args) if matches!(adt.opt_diag_name(cx), Some(sym::Option | sym::Result)) => Some(args.type_at(0)), . _ => None, . } . } . . /// Check if a Ty<'_> of `Iterator` contains any mutable access to non-owning types by checking if . /// it contains fields of mutable references or pointers, or references/pointers to non-`Freeze` . /// types, or `PhantomData` types containing any of the previous. This can be used to check whether . /// skipping iterating over an iterator will change its behavior. 96 ( 0.00%) pub fn has_non_owning_mutable_access<'tcx>(cx: &LateContext<'tcx>, iter_ty: Ty<'tcx>) -> bool { . fn normalize_ty<'tcx>(cx: &LateContext<'tcx>, ty: Unnormalized<'tcx, Ty<'tcx>>) -> Ty<'tcx> { . cx.tcx 1,048,950 ( 0.02%) .try_normalize_erasing_regions(cx.typing_env(), ty) 2,250 ( 0.00%) => ???:::typing_env (75x) . .unwrap_or(ty.skip_norm_wip()) . } . . /// Check if `ty` contains mutable references or equivalent, which includes: . /// - A mutable reference/pointer. . /// - A reference/pointer to a non-`Freeze` type. . /// - A `PhantomData` type containing any of the previous. 3,853,124 ( 0.07%) fn has_non_owning_mutable_access_inner<'tcx>( . cx: &LateContext<'tcx>, . phantoms: &mut FxHashSet>, . ty: Ty<'tcx>, . ) -> bool { 2,854,987 ( 0.05%) match ty.kind() { 600,474 ( 0.01%) ty::Adt(adt_def, args) if adt_def.is_phantom_data() => { 78,962 ( 0.00%) phantoms.insert(ty) 243 ( 0.00%) && args . .types() 729 ( 0.00%) .any(|arg_ty| has_non_owning_mutable_access_inner(cx, phantoms, arg_ty)) 750,748,415 (13.92%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 (243x) . }, . ty::Adt(adt_def, args) => adt_def.all_fields().any(|field| { 2,797,200 ( 0.05%) has_non_owning_mutable_access_inner(cx, phantoms, normalize_ty(cx, field.ty(cx.tcx, args))) 106,746,594 ( 1.98%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 (75x) 13,926 ( 0.00%) => ???:::ty (75x) . }), 9,762 ( 0.00%) ty::Array(elem_ty, _) | ty::Slice(elem_ty) => has_non_owning_mutable_access_inner(cx, phantoms, *elem_ty), . ty::RawPtr(pointee_ty, mutability) | ty::Ref(_, pointee_ty, mutability) => { 880 ( 0.00%) mutability.is_mut() || !pointee_ty.is_freeze(cx.tcx, cx.typing_env()) 1,830 ( 0.00%) => ???:::typing_env (61x) 2,550,007 ( 0.05%) => ???:::is_freeze (61x) . }, . ty::Closure(_, closure_args) => { 31 ( 0.00%) matches!(closure_args.types().next_back(), . Some(captures) if has_non_owning_mutable_access_inner(cx, phantoms, captures)) . }, 208 ( 0.00%) ty::Tuple(tuple_args) => tuple_args . .iter() 1,077 ( 0.00%) .any(|arg_ty| has_non_owning_mutable_access_inner(cx, phantoms, arg_ty)), 334,368,849 ( 6.20%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner'2 (359x) . _ => false, . } 2,802,272 ( 0.05%) } . . let mut phantoms = FxHashSet::default(); 32 ( 0.00%) has_non_owning_mutable_access_inner(cx, &mut phantoms, iter_ty) 106,766,716 ( 1.98%) => site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::has_non_owning_mutable_access::has_non_owning_mutable_access_inner (32x) 96 ( 0.00%) } . . /// Check if `ty` is slice-like, i.e., `&[T]`, `[T; N]`, or `Vec`. . pub fn is_slice_like<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { . ty.is_slice() || ty.is_array() || ty.is_diag_item(cx, sym::Vec) . } . . pub fn get_field_idx_by_name(ty: Ty<'_>, name: Symbol) -> Option { . match *ty.kind() { -- line 1565 ---------------------------------------- 1,216,797 ( 0.02%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/question_mark.rs -------------------------------------------------------------------------------- Ir -- line 130 ---------------------------------------- . fn init_expr_can_use_question_mark(cx: &LateContext<'_>, init_expr: &Expr<'_>) -> bool { . let init_ty = cx.typeck_results().expr_ty_adjusted(init_expr); . cx.tcx . .lang_items() . .try_trait() . .is_some_and(|did| implements_trait(cx, init_ty, did, &[])) . } . 4,300 ( 0.00%) if let StmtKind::Let(LetStmt { . pat, . init: Some(init_expr), . els: Some(els), . .. 8,604 ( 0.00%) }) = stmt.kind . && init_expr_can_use_question_mark(cx, init_expr) . && let Some(ret) = find_let_else_ret_expression(els) . && let Some(inner_pat) = pat_and_expr_can_be_question_mark(cx, pat, ret) . && !span_contains_comment(cx, els.span) . && !span_contains_cfg(cx, els.span) . { . let mut applicability = Applicability::MaybeIncorrect; . let init_expr_str = -- line 151 ---------------------------------------- -- line 198 ---------------------------------------- . "this `let...else` may be rewritten with the `?` operator", . "replace it with", . sugg, . applicability, . ); . } . } . 2,144 ( 0.00%) fn is_early_return(smbl: Symbol, cx: &LateContext<'_>, if_block: &IfBlockType<'_>) -> bool { 804 ( 0.00%) match *if_block { 88 ( 0.00%) IfBlockType::IfIs(caller, caller_ty, call_sym, if_then) => { . // If the block could be identified as `if x.is_none()/is_err()`, . // we then only need to check the if_then return to see if it is none/err. 160 ( 0.00%) caller_ty.is_diag_item(cx, smbl) 144 ( 0.00%) && expr_return_none_or_err(smbl, cx, if_then, caller, None) 901 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:clippy_lints::question_mark::expr_return_none_or_err (18x) . && match smbl { 4 ( 0.00%) sym::Option => call_sym == sym::is_none, . sym::Result => call_sym == sym::is_err, . _ => false, . } . }, 180 ( 0.00%) IfBlockType::IfLet(res, let_expr_ty, let_pat_sym, let_expr, if_then, if_else) => { 276 ( 0.00%) let_expr_ty.is_diag_item(cx, smbl) . && match smbl { 258 ( 0.00%) sym::Option => { . // We only need to check `if let Some(x) = option` not `if let None = option`, . // because the later one will be suggested as `if option.is_none()` thus causing conflict. 101 ( 0.00%) res.ctor_parent(cx).is_lang_item(cx, OptionSome) 60 ( 0.00%) && if_else.is_some_and(|inner| expr_return_none_or_err(smbl, cx, inner, let_expr, None)) 383 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:clippy_lints::question_mark::expr_return_none_or_err (10x) . }, . sym::Result => { 7 ( 0.00%) (res.ctor_parent(cx).is_lang_item(cx, ResultOk) . && if_else.is_some_and(|inner| { . expr_return_none_or_err(smbl, cx, inner, let_expr, Some(let_pat_sym)) . })) 13 ( 0.00%) || res.ctor_parent(cx).is_lang_item(cx, ResultErr) 33 ( 0.00%) && expr_return_none_or_err(smbl, cx, if_then, let_expr, Some(let_pat_sym)) 126 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:clippy_lints::question_mark::expr_return_none_or_err (3x) . && if_else.is_none() . }, . _ => false, . } . }, . } 2,144 ( 0.00%) } . 124 ( 0.00%) fn expr_return_none_or_err( . smbl: Symbol, . cx: &LateContext<'_>, . expr: &Expr<'_>, . cond_expr: &Expr<'_>, . err_sym: Option, . ) -> bool { 218 ( 0.00%) match peel_blocks_with_stmt(expr).kind { . ExprKind::Ret(Some(ret_expr)) => expr_return_none_or_err(smbl, cx, ret_expr, cond_expr, err_sym), 1 ( 0.00%) ExprKind::Path(ref qpath) => match smbl { 2 ( 0.00%) sym::Option => cx 6 ( 0.00%) .qpath_res(qpath, expr.hir_id) 23 ( 0.00%) => ???:::qpath_res (1x) 1 ( 0.00%) .ctor_parent(cx) . .is_lang_item(cx, OptionNone), . sym::Result => expr.res_local_id().is_some() && expr.res_local_id() == cond_expr.res_local_id(), . _ => false, . }, 8 ( 0.00%) ExprKind::Call(call_expr, [arg]) => { 2 ( 0.00%) if smbl == sym::Result . && let ExprKind::Path(QPath::Resolved(_, path)) = &call_expr.kind . && let Some(segment) = path.segments.first() . && let Some(err_sym) = err_sym . && let ExprKind::Path(QPath::Resolved(_, arg_path)) = &arg.kind . && let Some(PathSegment { ident, .. }) = arg_path.segments.first() . { . return segment.ident.name == sym::Err && err_sym == ident.name; . } . false . }, . _ => false, . } 155 ( 0.00%) } . . /// Checks if the given expression on the given context matches the following structure: . /// . /// ```ignore . /// if option.is_none() { . /// return None; . /// } . /// ``` -- line 282 ---------------------------------------- -- line 285 ---------------------------------------- . /// if result.is_err() { . /// return result; . /// } . /// ``` . /// . /// If it matches, it will suggest to use the `?` operator instead . fn check_is_none_or_err_and_early_return<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { . if let Some(higher::If { cond, then, r#else }) = higher::If::hir(expr) 1,662 ( 0.00%) && !is_else_clause(cx.tcx, expr) 39,796 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_else_clause (277x) 558 ( 0.00%) && let ExprKind::MethodCall(segment, caller, [], _) = &cond.kind 88 ( 0.00%) && let caller_ty = cx.typeck_results().expr_ty(caller) 1,760 ( 0.00%) => ???:::expr_ty (44x) 440 ( 0.00%) && let if_block = IfBlockType::IfIs(caller, caller_ty, segment.ident.name, then) 440 ( 0.00%) && (is_early_return(sym::Option, cx, &if_block) || is_early_return(sym::Result, cx, &if_block)) 9,434 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:clippy_lints::question_mark::is_early_return (88x) . { . let mut applicability = Applicability::MachineApplicable; . let receiver_str = snippet_with_context(cx, caller.span, expr.span.ctxt(), "..", &mut applicability).0; . let by_ref = !cx.type_is_copy_modulo_regions(caller_ty) . && !matches!(caller.kind, ExprKind::Call(..) | ExprKind::MethodCall(..)); . let sugg = if let Some(else_inner) = r#else { . if eq_expr_value(cx, expr.span.ctxt(), caller, peel_blocks(else_inner)) { . format!("Some({receiver_str}?)") -- line 305 ---------------------------------------- -- line 324 ---------------------------------------- . . #[derive(Clone, Copy, Debug)] . enum TryMode { . Result, . Option, . } . . fn find_try_mode<'tcx>(cx: &LateContext<'tcx>, scrutinee: &Expr<'tcx>) -> Option { 246 ( 0.00%) let scrutinee_ty = cx.typeck_results().expr_ty_adjusted(scrutinee).peel_refs(); 5,964 ( 0.00%) => ???:::expr_ty_adjusted (82x) . let ty::Adt(scrutinee_adt_def, _) = scrutinee_ty.kind() else { . return None; . }; . 243 ( 0.00%) match cx.tcx.get_diagnostic_name(scrutinee_adt_def.did())? { 4,401 ( 0.00%) => ???:::get_diagnostic_name (81x) 181 ( 0.00%) sym::Result => Some(TryMode::Result), . sym::Option => Some(TryMode::Option), . _ => None, . } . } . . // Check that `pat` is `{ctor_lang_item}(val)`, returning `val`. 8 ( 0.00%) fn extract_ctor_call<'a, 'tcx>( . cx: &LateContext<'tcx>, . expected_ctor: LangItem, . pat: &'a Pat<'tcx>, . ) -> Option<&'a Pat<'tcx>> { 48 ( 0.00%) if let PatKind::TupleStruct(variant_path, [val_binding], _) = &pat.kind 16 ( 0.00%) && cx 48 ( 0.00%) .qpath_res(variant_path, pat.hir_id) 184 ( 0.00%) => ???:::qpath_res (8x) 8 ( 0.00%) .ctor_parent(cx) . .is_lang_item(cx, expected_ctor) . { . Some(val_binding) . } else { . None . } 8 ( 0.00%) } . . // Extracts the local ID of a plain `val` pattern. . fn extract_binding_pat(pat: &Pat<'_>) -> Option { 10 ( 0.00%) if let PatKind::Binding(_, binding, _, None) = pat.kind { . Some(binding) . } else { . None . } . } . . fn check_arm_is_some_or_ok<'tcx>( . cx: &LateContext<'tcx>, -- line 372 ---------------------------------------- -- line 391 ---------------------------------------- . IfLetOrMatchThen::ManualUnwrap(val_binding.span, arm.body) . }); . } . . None . } . . fn check_arm_is_none_or_err<'tcx>(cx: &LateContext<'tcx>, mode: TryMode, arm: &Arm<'tcx>) -> bool { 54 ( 0.00%) if arm.guard.is_some() { . return false; . } . 111 ( 0.00%) let arm_body = peel_blocks(arm.body); 108 ( 0.00%) match mode { . TryMode::Result => { . // Check that pat is Err(val) 32 ( 0.00%) if let Some(ok_pat) = extract_ctor_call(cx, ResultErr, arm.pat) 1,656 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:clippy_lints::question_mark::extract_ctor_call (8x) . && let Some(ok_val) = extract_binding_pat(ok_pat) . // check `=> return Err(...)` 2 ( 0.00%) && let ExprKind::Ret(Some(wrapped_ret_expr)) = arm_body.kind . && let ExprKind::Call(ok_ctor, [ret_expr]) = wrapped_ret_expr.kind . && ok_ctor.res(cx).ctor_parent(cx).is_lang_item(cx, ResultErr) . // check if `...` is `val` from binding or `val.into()` . && is_local_or_local_into(cx, ret_expr, ok_val) . { . true . } else { . false . } . }, . TryMode::Option => { . // Check the pat is `None` 184 ( 0.00%) if is_none_pattern(cx, arm.pat) 4,646 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_none_pattern (46x) . // Check `=> return None` 70 ( 0.00%) && let ExprKind::Ret(Some(ret_expr)) = arm_body.kind 40 ( 0.00%) && is_none_expr(cx, ret_expr) 176 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/res.rs:clippy_utils::is_none_expr (8x) . && !ret_expr.span.from_expansion() . { . true . } else { . false . } . }, . } 54 ( 0.00%) } . . /// Check if `expr` is `val` or `val.into()` . fn is_local_or_local_into(cx: &LateContext<'_>, expr: &Expr<'_>, val: HirId) -> bool { . let is_into_call = fn_def_id_with_node_args(cx, expr) . .and_then(|(fn_def_id, _)| cx.tcx.trait_of_assoc(fn_def_id)) . .is_some_and(|trait_def_id| cx.tcx.is_diagnostic_item(sym::Into, trait_def_id)); . match expr.kind { . ExprKind::MethodCall(_, recv, [], _) | ExprKind::Call(_, [recv]) => { . is_into_call && recv.res_local_id() == Some(val) . }, . _ => expr.res_local_id() == Some(val), . } . } . 270 ( 0.00%) fn check_arms_are_try<'tcx>( . cx: &LateContext<'tcx>, . mode: TryMode, . arm1: &Arm<'tcx>, . arm2: &Arm<'tcx>, . ) -> Option> { 108 ( 0.00%) (check_arm_is_none_or_err(cx, mode, arm2).then(|| check_arm_is_some_or_ok(cx, mode, arm1))) 5,802 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:clippy_lints::question_mark::check_arm_is_none_or_err (27x) 108 ( 0.00%) .or_else(|| check_arm_is_none_or_err(cx, mode, arm1).then(|| check_arm_is_some_or_ok(cx, mode, arm2))) 2,565 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:clippy_lints::question_mark::check_arm_is_none_or_err (27x) . .flatten() 162 ( 0.00%) } . . #[derive(Debug)] . enum IfLetOrMatchThen<'tcx> { . /// Return the binding from an if let or match arm as is. . DirectReturn, . /// Working on the binding from an if let or match arm as if it comes from a `?`. . ManualUnwrap(Span, &'tcx Expr<'tcx>), . } . 4,944 ( 0.00%) fn check_if_try_match<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { 3,130 ( 0.00%) if let ExprKind::Match(scrutinee, [arm1, arm2], MatchSource::Normal | MatchSource::Postfix) = expr.kind 296 ( 0.00%) && !expr.span.from_expansion() 164 ( 0.00%) && let Some(mode) = find_try_mode(cx, scrutinee) 162 ( 0.00%) && !span_contains_cfg(cx, expr.span) 194,204 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/attrs.rs:clippy_utils::attrs::span_contains_cfg (27x) 135 ( 0.00%) && let Some(if_let_or_match_then) = check_arms_are_try(cx, mode, arm1, arm2) 9,150 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:clippy_lints::question_mark::check_arms_are_try (27x) . { . span_lint_and_then( . cx, . QUESTION_MARK, . expr.span, . "this `match` expression can be replaced with `?`", . |diag| { . let mut applicability = Applicability::MachineApplicable; -- line 482 ---------------------------------------- -- line 509 ---------------------------------------- . ); . } . diag.span_suggestion(expr.span, "try instead", sugg, applicability); . }, . } . }, . ); . } 4,944 ( 0.00%) } . . fn check_if_let_some_or_err_and_early_return<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { 818 ( 0.00%) if let Some(higher::IfLet { . let_pat, . let_expr, . if_then, . if_else, . .. 4,090 ( 0.00%) }) = higher::IfLet::hir(cx, expr) 27,100 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (818x) 400 ( 0.00%) && let PatKind::TupleStruct(ref path1, [field], ddpos) = let_pat.kind . && ddpos.as_opt_usize().is_none() 820 ( 0.00%) && let PatKind::Binding(BindingMode(by_ref, _), bind_id, ident, None) = field.kind 270 ( 0.00%) && let caller_ty = cx.typeck_results().expr_ty(let_expr) 3,600 ( 0.00%) => ???:::expr_ty (90x) 1,260 ( 0.00%) && let if_block = IfBlockType::IfLet( 720 ( 0.00%) cx.qpath_res(path1, let_pat.hir_id), 2,070 ( 0.00%) => ???:::qpath_res (90x) . caller_ty, . ident.name, . let_expr, . if_then, . if_else, . ) 450 ( 0.00%) && let is_option_early_return = is_early_return(sym::Option, cx, &if_block) 20,074 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:clippy_lints::question_mark::is_early_return (90x) 630 ( 0.00%) && (is_option_early_return || is_early_return(sym::Result, cx, &if_block)) 12,114 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:clippy_lints::question_mark::is_early_return (90x) . && if_else . .map(|e| eq_expr_value(cx, expr.span.ctxt(), let_expr, peel_blocks(e))) . .is_none_or(|e| !e) . { . if !is_copy(cx, caller_ty) . && let Some(hir_id) = let_expr.res_local_id() . && local_used_after_expr(cx, hir_id, expr) . { -- line 548 ---------------------------------------- -- line 602 ---------------------------------------- . . impl QuestionMark { . fn inside_try_block(&self) -> bool { . self.try_block_depth_stack.last() > Some(&0) . } . } . . fn is_try_block(cx: &LateContext<'_>, bl: &Block<'_>) -> bool { 9,896 ( 0.00%) if let Some(expr) = bl.expr 8,980 ( 0.00%) && let ExprKind::Call(callee, [_]) = expr.kind 2,212 ( 0.00%) && let ExprKind::Path(qpath) = callee.kind 632 ( 0.00%) && cx.tcx.qpath_is_lang_item(qpath, LangItem::TryTraitFromOutput) 16,232 ( 0.00%) => ???:::qpath_is_lang_item (158x) . { . true . } else { . false . } . } . . fn is_inferred_ret_closure(expr: &Expr<'_>) -> bool { 361,911 ( 0.01%) let ExprKind::Closure(closure) = expr.kind else { . return false; . }; . 810 ( 0.00%) match closure.fn_decl.output { . FnRetTy::Return(ret_ty) => ret_ty.is_suggestable_infer_ty(), . FnRetTy::DefaultReturn(_) => true, . } . } . . impl<'tcx> LateLintPass<'tcx> for QuestionMark { 70,868 ( 0.00%) fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { . // Cheap `let` check before the costlier lint level and const context queries. 20,248 ( 0.00%) if !matches!(stmt.kind, StmtKind::Let(..)) { . return; . } . 32,280 ( 0.00%) if !is_lint_allowed(cx, QUESTION_MARK_USED, stmt.hir_id) || !self.msrv.meets(cx, msrvs::QUESTION_MARK_OPERATOR) 2,719,671 ( 0.05%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed (2,152x) 58,104 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (2,152x) . { . return; . } . 15,064 ( 0.00%) if !self.inside_try_block() && !is_in_const_context(cx) { 585,262 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (2,152x) . check_let_some_else_return_none(cx, stmt); . } . self.check_manual_let_else(cx, stmt); 80,992 ( 0.00%) } . 520,450 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,135 ( 0.00%) if is_inferred_ret_closure(expr) { 135 ( 0.00%) self.inferred_ret_closure_stack += 1; . return; . } . . // Cheap `if`/`match` check before the costlier lint level and const context queries. . if matches!(expr.kind, ExprKind::If(..) | ExprKind::Match(..)) 2,454 ( 0.00%) && !self.inside_try_block() 3,272 ( 0.00%) && !is_in_const_context(cx) 222,403 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (818x) 5,726 ( 0.00%) && is_lint_allowed(cx, QUESTION_MARK_USED, expr.hir_id) 1,251,280 ( 0.02%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed (818x) 4,908 ( 0.00%) && self.msrv.meets(cx, msrvs::QUESTION_MARK_OPERATOR) 22,086 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (818x) . { . check_is_none_or_err_and_early_return(cx, expr); . check_if_let_some_or_err_and_early_return(cx, expr); . 1,636 ( 0.00%) if self.inferred_ret_closure_stack == 0 { 1,854 ( 0.00%) check_if_try_match(cx, expr); 230,923 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/question_mark.rs:clippy_lints::question_mark::check_if_try_match (618x) . } . } 416,495 ( 0.01%) } . . fn check_expr_post(&mut self, _: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 135 ( 0.00%) if is_inferred_ret_closure(expr) { 135 ( 0.00%) self.inferred_ret_closure_stack -= 1; . } . } . . fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) { 2,948 ( 0.00%) if is_try_block(cx, block) { . *self . .try_block_depth_stack . .last_mut() . .expect("blocks are always part of bodies and must have a depth") += 1; . } . } . . fn check_body(&mut self, _: &LateContext<'tcx>, _: &Body<'tcx>) { -- line 687 ---------------------------------------- -- line 688 ---------------------------------------- . self.try_block_depth_stack.push(0); . } . . fn check_body_post(&mut self, _: &LateContext<'tcx>, _: &Body<'tcx>) { . self.try_block_depth_stack.pop(); . } . . fn check_block_post(&mut self, cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) { 2,948 ( 0.00%) if is_try_block(cx, block) { . *self . .try_block_depth_stack . .last_mut() . .expect("blocks are always part of bodies and must have a depth") -= 1; . } . } . } 14,369 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/permissions_set_readonly_false.rs -------------------------------------------------------------------------------- Ir -- line 27 ---------------------------------------- . "Checks for calls to `std::fs::Permissions.set_readonly` with argument `false`" . } . . declare_lint_pass!(PermissionsSetReadonlyFalse => [ . PERMISSIONS_SET_READONLY_FALSE, . ]); . . impl<'tcx> LateLintPass<'tcx> for PermissionsSetReadonlyFalse { 156,135 ( 0.00%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 107,667 ( 0.00%) if let ExprKind::MethodCall(path, receiver, [arg], _) = &expr.kind 778 ( 0.00%) && let ExprKind::Lit(lit) = &arg.kind 56 ( 0.00%) && LitKind::Bool(false) == lit.node 40 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/ast.rs:::eq (8x) . && path.ident.name == sym::set_readonly . && cx . .typeck_results() . .expr_ty(receiver) . .is_diag_item(cx, sym::FsPermissions) . { . span_lint_and_then( . cx, -- line 46 ---------------------------------------- -- line 51 ---------------------------------------- . diag.note("on Unix platforms this results in the file being world writable"); . diag.help( . "you can set the desired permissions using `PermissionsExt`. For more information, see\n\ . https://doc.rust-lang.org/std/os/unix/fs/trait.PermissionsExt.html", . ); . }, . ); . } 208,180 ( 0.00%) } . } 8 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/take_while.rs -------------------------------------------------------------------------------- Ir -- line 17 ---------------------------------------- . pub struct TakeWhile { . iter: I, . flag: bool, . predicate: P, . } . . impl TakeWhile { . pub(in crate::iter) const fn new(iter: I, predicate: P) -> TakeWhile { 48 ( 0.00%) TakeWhile { iter, flag: false, predicate } . } . } . . #[stable(feature = "core_impl_debug", since = "1.9.0")] . impl fmt::Debug for TakeWhile { . fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { . f.debug_struct("TakeWhile").field("iter", &self.iter).field("flag", &self.flag).finish() . } -- line 33 ---------------------------------------- -- line 37 ---------------------------------------- . impl Iterator for TakeWhile . where . P: FnMut(&I::Item) -> bool, . { . type Item = I::Item; . . #[inline] . fn next(&mut self) -> Option { 39 ( 0.00%) if self.flag { . None . } else { . let x = self.iter.next()?; 21 ( 0.00%) if (self.predicate)(&x) { . Some(x) . } else { . self.flag = true; . None . } . } . } . -- line 57 ---------------------------------------- -- line 73 ---------------------------------------- . R: Try, . { . fn check<'a, T, Acc, R: Try>( . flag: &'a mut bool, . p: &'a mut impl FnMut(&T) -> bool, . mut fold: impl FnMut(Acc, T) -> R + 'a, . ) -> impl FnMut(Acc, T) -> ControlFlow + 'a { . move |acc, x| { 168,591 ( 0.00%) if p(&x) { . ControlFlow::from_try(fold(acc, x)) . } else { 32,571 ( 0.00%) *flag = true; . ControlFlow::Break(try { acc }) . } . } . } . 22,490 ( 0.00%) if self.flag { . try { init } . } else { . let flag = &mut self.flag; . let p = &mut self.predicate; . self.iter.try_fold(init, check(flag, p, fold)).into_try() . } . } . -- line 98 ---------------------------------------- 95,671 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/match_result_ok.rs -------------------------------------------------------------------------------- Ir -- line 39 ---------------------------------------- . pub MATCH_RESULT_OK, . style, . "usage of `ok()` in `let Some(pat)` statements is unnecessary, match on `Ok(pat)` instead" . } . . declare_lint_pass!(MatchResultOk => [MATCH_RESULT_OK]); . . impl<'tcx> LateLintPass<'tcx> for MatchResultOk { 520,450 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 214 ( 0.00%) let (let_pat, let_expr, ifwhile) = 208,283 ( 0.00%) if let Some(higher::IfLet { let_pat, let_expr, .. }) = higher::IfLet::hir(cx, expr) { 283,235 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (52,045x) . (let_pat, let_expr, "if") . } else if let Some(higher::WhileLet { let_pat, let_expr, .. }) = higher::WhileLet::hir(expr) { . (let_pat, let_expr, "while") . } else { . return; . }; . 334 ( 0.00%) if let ExprKind::MethodCall(ok_path, recv, [], ..) = let_expr.kind //check is expr.ok() has type Result.ok(, _) 35 ( 0.00%) && ok_path.ident.name == sym::ok . && cx.typeck_results().expr_ty(recv).is_diag_item(cx, sym::Result) . && let Some([ok_pat]) = as_some_pattern(cx, let_pat) //get operation . && let ctxt = expr.span.ctxt() . && let_expr.span.ctxt() == ctxt . && let_pat.span.ctxt() == ctxt . { . let mut applicability = Applicability::MachineApplicable; . let some_expr_string = snippet_with_context(cx, ok_pat.span, ctxt, "", &mut applicability).0; -- line 66 ---------------------------------------- -- line 74 ---------------------------------------- . MATCH_RESULT_OK, . expr.span.with_hi(let_expr.span.hi()), . "matching on `Some` with `ok()` is redundant", . format!("consider matching on `Ok({some_expr_string})` and removing the call to `ok` instead"), . sugg, . applicability, . ); . } 416,360 ( 0.01%) } . } 206 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_bits.rs -------------------------------------------------------------------------------- Ir -- line 42 ---------------------------------------- . . impl ManualBits { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for ManualBits { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,090 ( 0.00%) if let ExprKind::Binary(bin_op, left_expr, right_expr) = expr.kind 492 ( 0.00%) && let BinOpKind::Mul = &bin_op.node . && !expr.span.from_expansion() . && let ctxt = expr.span.ctxt() . && left_expr.span.ctxt() == ctxt . && right_expr.span.ctxt() == ctxt . && let Some((real_ty_span, resolved_ty, other_expr)) = get_one_size_of_ty(cx, left_expr, right_expr) . && matches!(resolved_ty.kind(), ty::Int(_) | ty::Uint(_)) . && let ExprKind::Lit(lit) = &other_expr.kind . && let LitKind::Int(Pu128(8), _) = lit.node -- line 60 ---------------------------------------- -- line 69 ---------------------------------------- . MANUAL_BITS, . expr.span, . "usage of `size_of::()` to obtain the size of `T` in bits", . "consider using", . sugg, . app, . ); . } 416,360 ( 0.01%) } . } . . fn get_one_size_of_ty<'tcx>( . cx: &LateContext<'tcx>, . expr1: &'tcx Expr<'_>, . expr2: &'tcx Expr<'_>, . ) -> Option<(Span, Ty<'tcx>, &'tcx Expr<'tcx>)> { . match (get_size_of_ty(cx, expr1), get_size_of_ty(cx, expr2)) { -- line 85 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unit_types/mod.rs -------------------------------------------------------------------------------- Ir -- line 105 ---------------------------------------- . . impl UnitTypes { . pub fn new(format_args: FormatArgsStorage) -> Self { . Self { format_args } . } . } . . impl<'tcx> LateLintPass<'tcx> for UnitTypes { 23,672 ( 0.00%) fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx LetStmt<'tcx>) { . let_unit_value::check(cx, &self.format_args, local); 17,216 ( 0.00%) } . . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 156,135 ( 0.00%) unit_cmp::check(cx, expr); 38,384,712 ( 0.71%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/unit_types/unit_cmp.rs:clippy_lints::unit_types::unit_cmp::check (52,045x) 156,135 ( 0.00%) unit_arg::check(cx, expr); 3,070,063 ( 0.06%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/unit_types/unit_arg.rs:clippy_lints::unit_types::unit_arg::check (52,045x) . } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/cloned_ref_to_slice_refs.rs -------------------------------------------------------------------------------- Ir -- line 58 ---------------------------------------- . } . impl ClonedRefToSliceRefs { . pub fn new(conf: &Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for ClonedRefToSliceRefs { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { . // `&[foo.clone()]` expressions 121,326 ( 0.00%) if let ExprKind::AddrOf(_, mutability, arr) = &expr.kind . // mutable references would have a different meaning . && mutability.is_not() . . // check for single item arrays 4,033 ( 0.00%) && let ExprKind::Array([item]) = &arr.kind . . // check for clones 4 ( 0.00%) && let ExprKind::MethodCall(path, recv, _, _) = item.kind . . && self.msrv.meets(cx, { . if is_in_const_context(cx) { . msrvs::CONST_SLICE_FROM_REF . } else { . msrvs::SLICE_FROM_REF . } . }) -- line 84 ---------------------------------------- -- line 101 ---------------------------------------- . "unnecessary use of `{}` to create a slice from a reference", . path.ident.name . ), . "try", . format!("{builtin_crate}::slice::from_ref({adjustment}{sugg})"), . applicability, . ); . } 416,360 ( 0.01%) } . } . . /// Checks if a method call is a needless clone or equivalent. If so, returns the necessary . /// adjustments to use the method receiver directly without cloning. . /// For example, in the code below: . /// ```rust,no_run . /// use std::path::PathBuf; . /// -- line 117 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/needless_parens_on_range_literals.rs -------------------------------------------------------------------------------- Ir -- line 41 ---------------------------------------- . declare_lint_pass!(NeedlessParensOnRangeLiterals => [ . NEEDLESS_PARENS_ON_RANGE_LITERALS, . ]); . . fn snippet_enclosed_in_parenthesis(snippet: &str) -> bool { . snippet.starts_with('(') && snippet.ends_with(')') . } . 252 ( 0.00%) fn check_for_parens(cx: &LateContext<'_>, e: &Expr<'_>, is_start: bool) { 42 ( 0.00%) if is_start . && let ExprKind::Lit(literal) = e.kind 20 ( 0.00%) && let ast::LitKind::Float(_sym, ast::LitFloatType::Unsuffixed) = literal.node . { . // don't check floating point literals on the start expression of a range . return; . } 59 ( 0.00%) if let ExprKind::Lit(literal) = e.kind . // the indicator that parenthesis surround the literal is that the span of the expression and the literal differ 84 ( 0.00%) && (literal.span.data().hi - literal.span.data().lo) != (e.span.data().hi - e.span.data().lo) . // inspect the source code of the expression for parenthesis . && snippet_enclosed_in_parenthesis(&snippet(cx, e.span, "")) . { . let mut applicability = Applicability::MachineApplicable; . span_lint_and_then( . cx, . NEEDLESS_PARENS_ON_RANGE_LITERALS, . e.span, . "needless parenthesis on range literals can be removed", . |diag| { . let suggestion = snippet_with_applicability(cx, literal.span, "_", &mut applicability); . diag.span_suggestion(e.span, "try", suggestion, applicability); . }, . ); . } 168 ( 0.00%) } . . impl<'tcx> LateLintPass<'tcx> for NeedlessParensOnRangeLiterals { . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 260,267 ( 0.00%) if let Some(higher::Range { start, end, .. }) = higher::Range::hir(cx, expr) { 2,469,851 ( 0.05%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (52,045x) 42 ( 0.00%) if let Some(start) = start { 30 ( 0.00%) check_for_parens(cx, start, true); 580 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/needless_parens_on_range_literals.rs:clippy_lints::needless_parens_on_range_literals::check_for_parens (10x) . } 42 ( 0.00%) if let Some(end) = end { 44 ( 0.00%) check_for_parens(cx, end, false); 332 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/needless_parens_on_range_literals.rs:clippy_lints::needless_parens_on_range_literals::check_for_parens (11x) . } . } . } . } 59 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/redundant_field_names.rs -------------------------------------------------------------------------------- Ir -- line 44 ---------------------------------------- . impl RedundantFieldNames { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl EarlyLintPass for RedundantFieldNames { . fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 98,780 ( 0.00%) if let ExprKind::Struct(ref se) = expr.kind 240 ( 0.00%) && self.msrv.meets(msrvs::FIELD_INIT_SHORTHAND) 1,440 ( 0.00%) => /rust/deps/smallvec-1.15.1/src/lib.rs:::meets (60x) . { 60 ( 0.00%) for field in &se.fields { 394 ( 0.00%) if !field.is_shorthand 535 ( 0.00%) && let ExprKind::Path(None, path) = &field.expr.kind 64 ( 0.00%) && let [segment] = path.segments.as_slice() 30 ( 0.00%) && segment.args.is_none() . && segment.ident == field.ident . && field.span.eq_ctxt(field.ident.span) . && !field.span.in_external_macro(cx.sess().source_map()) . { . span_lint_and_sugg( . cx, . REDUNDANT_FIELD_NAMES, . field.span, -- line 67 ---------------------------------------- -- line 68 ---------------------------------------- . "redundant field names in struct initialization", . "replace it with", . field.ident.to_string(), . Applicability::MachineApplicable, . ); . } . } . } 49,390 ( 0.00%) } . . extract_msrv_attr!(); . } 960 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/doc/mod.rs -------------------------------------------------------------------------------- Ir -- line 731 ---------------------------------------- . valid_idents: &'static FxHashSet, . check_private_items: bool, . } . . impl Documentation { . pub fn new(conf: &'static Conf) -> Self { . Self { . valid_idents: &conf.doc_valid_idents, 3 ( 0.00%) check_private_items: conf.check_private_items, . } . } . } . . impl EarlyLintPass for Documentation { 458,591 ( 0.01%) fn check_attributes(&mut self, cx: &EarlyContext<'_>, attrs: &[rustc_ast::Attribute]) { . include_in_doc_without_cfg::check(cx, attrs); 524,104 ( 0.01%) } . } . . impl<'tcx> LateLintPass<'tcx> for Documentation { 671,350 ( 0.01%) fn check_attributes(&mut self, cx: &LateContext<'tcx>, attrs: &'tcx [Attribute]) { 671,468 ( 0.01%) let Some(headers) = check_attrs(cx, self.valid_idents, attrs) else { . return; . }; . 1,076,284 ( 0.02%) match cx.tcx.hir_node(cx.last_node_with_lint_attrs) { 3,490,708 ( 0.06%) => ???:::hir_node (67,129x) 768 ( 0.00%) Node::Field(FieldDef { span, safety, .. }) => match (headers.safety, safety) { . (false, Safety::Unsafe) => span_lint( . cx, . MISSING_SAFETY_DOC, . *span, . "docs for unsafe field missing `# Safety` section", . ), . (true, Safety::Safe) if cx.tcx.features().unsafe_fields() => span_lint_and_help( . cx, -- line 765 ---------------------------------------- -- line 766 ---------------------------------------- . UNNECESSARY_SAFETY_DOC, . *span, . "field with `# Safety` documentation is not marked unsafe", . None, . "if the field has safety invariants, mark it `unsafe`", . ), . _ => (), . }, 592 ( 0.00%) Node::Item(item) => { . too_long_first_doc_paragraph::check( . cx, . item, . attrs, 1,184 ( 0.00%) headers.first_paragraph_text_len, 592 ( 0.00%) headers.first_paragraph_md_len, 592 ( 0.00%) self.check_private_items, . ); 2,672 ( 0.00%) match item.kind { 288 ( 0.00%) ItemKind::Fn { sig, body, .. } 864 ( 0.00%) if !(is_entrypoint_fn(cx, item.owner_id.to_def_id()) 5,040 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_entrypoint_fn (144x) 864 ( 0.00%) || item.span.in_external_macro(cx.tcx.sess.source_map())) => 16,848 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:::in_external_macro (144x) . { 1,008 ( 0.00%) missing_headers::check(cx, item.owner_id, sig, headers, Some(body), self.check_private_items); 77,857 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/doc/missing_headers.rs:clippy_lints::doc::missing_headers::check (144x) . }, . ItemKind::Trait { safety, .. } => match (headers.safety, safety) { . (false, Safety::Unsafe) => span_lint( . cx, . MISSING_SAFETY_DOC, . cx.tcx.def_span(item.owner_id), . "docs for unsafe trait missing `# Safety` section", . ), -- line 796 ---------------------------------------- -- line 807 ---------------------------------------- . }, . Node::TraitItem(trait_item) => { . if let TraitItemKind::Fn(sig, ..) = trait_item.kind . && !trait_item.span.in_external_macro(cx.tcx.sess.source_map()) . { . missing_headers::check(cx, trait_item.owner_id, sig, headers, None, self.check_private_items); . } . }, 143 ( 0.00%) Node::ImplItem(impl_item) => { 973 ( 0.00%) if let ImplItemKind::Fn(sig, body_id) = impl_item.kind 715 ( 0.00%) && !impl_item.span.in_external_macro(cx.tcx.sess.source_map()) 670 ( 0.00%) && !is_trait_impl_item(cx, impl_item.hir_id()) 21,574 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_trait_impl_item (134x) . { 798 ( 0.00%) missing_headers::check( 9,387 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/doc/missing_headers.rs:clippy_lints::doc::missing_headers::check (114x) . cx, 228 ( 0.00%) impl_item.owner_id, . sig, . headers, . Some(body_id), 114 ( 0.00%) self.check_private_items, . ); . } . }, . _ => {}, . } 537,080 ( 0.01%) } . } . . #[derive(Copy, Clone)] . struct Fragments<'a> { . doc: &'a str, . fragments: &'a [DocFragment], . } . -- line 840 ---------------------------------------- -- line 842 ---------------------------------------- . /// get the span for the markdown range. Note that this function is not cheap, use it with . /// caution. . #[must_use] . fn span(self, cx: &LateContext<'_>, range: Range) -> Option { . source_span_for_markdown_range(cx.tcx, self.doc, &range, self.fragments).map(|(sp, _)| sp) . } . } . 344 ( 0.00%) #[derive(Copy, Clone, Default)] . struct DocHeaders { . safety: bool, . errors: bool, . panics: bool, . first_paragraph_md_len: usize, . first_paragraph_text_len: usize, . } . -- line 858 ---------------------------------------- -- line 867 ---------------------------------------- . // We don't want the parser to choke on intra doc links. Since we don't . // actually care about rendering them, just pretend that all broken links . // point to a fake address. . #[expect(clippy::unnecessary_wraps)] // we're following a type signature . fn fake_broken_link_callback<'a>(_: BrokenLink<'_>) -> Option<(CowStr<'a>, CowStr<'a>)> { . Some(("fake".into(), "fake".into())) . } . 402,810 ( 0.01%) if suspicious_doc_comments::check(cx, attrs) || is_doc_hidden(attrs) { 3,980,663 ( 0.07%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/doc/suspicious_doc_comments.rs:clippy_lints::doc::suspicious_doc_comments::check (67,135x) . return None; . } . 134,258 ( 0.00%) let (fragments, _) = attrs_to_doc_fragments( . attrs.iter().filter_map(|attr| { 780 ( 0.00%) if attr.doc_str_and_fragment_kind().is_none() || attr.span().in_external_macro(cx.sess().source_map()) { . None . } else { . Some((attr, None)) . } . }), . true, . ); . 86 ( 0.00%) let mut doc = String::with_capacity(fragments.iter().map(|frag| frag.doc.as_str().len() + 1).sum()); . . for fragment in &fragments { 468 ( 0.00%) add_doc_fragment(&mut doc, fragment); 41,266 ( 0.00%) => ???:rustc_resolve::rustdoc::add_doc_fragment (156x) . } . doc.pop(); . 67,129 ( 0.00%) if doc.trim().is_empty() { 201,129 ( 0.00%) if let Some(span) = span_of_fragments(&fragments) { 804,516 ( 0.01%) => ???:rustc_resolve::rustdoc::span_of_fragments (67,043x) . span_lint_and_help( . cx, . EMPTY_DOCS, . span, . "empty doc comment", . None, . "consider removing or filling it", . ); . } 201,129 ( 0.00%) return Some(DocHeaders::default()); . } . . // Only emits the allow-by-default `DOC_LINK_CODE`; skip its extra markdown reparse when it's off. 774 ( 0.00%) if !clippy_utils::is_lint_allowed(cx, DOC_LINK_CODE, cx.last_node_with_lint_attrs) { 46,134 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed (86x) . check_for_code_clusters( . cx, . pulldown_cmark::Parser::new_with_broken_link_callback( . &doc, . main_body_opts() - Options::ENABLE_SMART_PUNCTUATION, . Some(&mut fake_broken_link_callback), . ) . .into_offset_iter(), -- line 920 ---------------------------------------- -- line 922 ---------------------------------------- . Fragments { . doc: &doc, . fragments: &fragments, . }, . ); . } . . // Same for the allow-by-default `DOC_PARAGRAPHS_MISSING_PUNCTUATION`, which also reparses. 602 ( 0.00%) if !clippy_utils::is_lint_allowed(cx, DOC_PARAGRAPHS_MISSING_PUNCTUATION, cx.last_node_with_lint_attrs) { 46,134 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed (86x) . doc_paragraphs_missing_punctuation::check( . cx, . &doc, . Fragments { . doc: &doc, . fragments: &fragments, . }, . ); . } . . // NOTE: check_doc uses it own cb function, . // to avoid causing duplicated diagnostics for the broken link checker. 430 ( 0.00%) let mut full_fake_broken_link_callback = |bl: BrokenLink<'_>| -> Option<(CowStr<'_>, CowStr<'_>)> { . broken_link::check(cx, &bl, &doc, &fragments); . Some(("fake".into(), "fake".into())) . }; . . // disable smart punctuation to pick up ['link'] more easily . let opts = main_body_opts() - Options::ENABLE_SMART_PUNCTUATION; . let parser = . pulldown_cmark::Parser::new_with_broken_link_callback(&doc, opts, Some(&mut full_fake_broken_link_callback)); . 1,634 ( 0.00%) Some(check_doc( 359,299 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/doc/mod.rs:clippy_lints::doc::check_doc::> (86x) . cx, . valid_idents, . parser.into_offset_iter(), . &doc, 344 ( 0.00%) Fragments { . doc: &doc, . fragments: &fragments, . }, . attrs, . )) . } . . enum Container { -- line 966 ---------------------------------------- -- line 1053 ---------------------------------------- . . impl CodeTags { . /// Based on . fn parse(lang: &str) -> Self { . let mut tags = Self::default(); . . let mut seen_rust_tags = false; . let mut seen_other_tags = false; 64 ( 0.00%) for item in lang.split([',', ' ', '\t']) { . match item.trim() { . "" => {}, 4 ( 0.00%) "rust" => { . tags.rust = true; . seen_rust_tags = true; . }, . "ignore" => { . tags.ignore = true; . seen_rust_tags = !seen_other_tags; . }, . "no_run" => { -- line 1072 ---------------------------------------- -- line 1080 ---------------------------------------- . }, . "test_harness" => { . tags.test_harness = true; . seen_rust_tags = !seen_other_tags || seen_rust_tags; . }, . "standalone_crate" => { . seen_rust_tags = !seen_other_tags || seen_rust_tags; . }, 1 ( 0.00%) _ if item.starts_with("ignore-") => seen_rust_tags = true, 5 ( 0.00%) _ if item.starts_with("edition") => {}, . _ => seen_other_tags = true, . } . } . 10 ( 0.00%) tags.rust &= seen_rust_tags || !seen_other_tags; . . tags . } . } . . /// Checks parsed documentation. . /// This walks the "events" (think sections of markdown) produced by `pulldown_cmark`, . /// so lints here will generally access that information. . /// Returns documentation headers -- whether a "Safety", "Errors", "Panic" section was found . #[expect(clippy::too_many_lines, reason = "big match statement")] 1,032 ( 0.00%) fn check_doc<'a, Events: Iterator, Range)>>( . cx: &LateContext<'_>, . valid_idents: &FxHashSet, . events: Events, . doc: &str, . fragments: Fragments<'_>, . attrs: &[Attribute], . ) -> DocHeaders { . // true if a safety header was found . let mut headers = DocHeaders::default(); . let mut code = None; 86 ( 0.00%) let mut in_link = None; . let mut in_heading = false; . let mut in_footnote_definition = false; . let mut ticks_unbalanced = false; . let mut text_to_check: Vec<(CowStr<'_>, Range, isize)> = Vec::new(); . let mut paragraph_range = 0..0; . let mut code_level = 0; . let mut blockquote_level = 0; . let mut collected_breaks: Vec = Vec::new(); . let mut is_first_paragraph = true; . . let mut containers = Vec::new(); . . // Skip collecting text and the per-word scan when `DOC_MARKDOWN` (pedantic) is allowed. 602 ( 0.00%) let check_doc_markdown = !clippy_utils::is_lint_allowed(cx, DOC_MARKDOWN, cx.last_node_with_lint_attrs); 46,569 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed (86x) . 258 ( 0.00%) let mut events = events.peekable(); 6,622 ( 0.00%) => ???:0x0000000000173dc0 (86x) . 6,828 ( 0.00%) while let Some((event, range)) = events.next() { 5,254 ( 0.00%) match event { . Html(tag) | InlineHtml(tag) => { . if tag.starts_with(" { . blockquote_level -= 1; . containers.pop(); . }, . Start(CodeBlock(ref kind)) => { 10 ( 0.00%) code = Some(match kind { . CodeBlockKind::Indented => CodeTags::default(), 30 ( 0.00%) CodeBlockKind::Fenced(lang) => CodeTags::parse(lang), 55 ( 0.00%) => ???:::deref (5x) . }); . }, 5 ( 0.00%) End(TagEnd::CodeBlock) => code = None, 5 ( 0.00%) Start(Link { dest_url, .. }) => in_link = Some(dest_url), 2 ( 0.00%) End(TagEnd::Link) => in_link = None, . Start(Heading { .. } | Paragraph | Item) => { 184 ( 0.00%) if let Start(Heading { .. }) = event { . in_heading = true; . } 184 ( 0.00%) if let Start(Item) = event { . let indent = if let Some((next_event, next_range)) = events.peek() { . let next_start = match next_event { . End(TagEnd::Item) => next_range.end, . _ => next_range.start, . }; . if let Some(refdefrange) = looks_like_refdef(doc, range.start..next_start) && . let Some(refdefspan) = fragments.span(cx, refdefrange.clone()) . { -- line 1201 ---------------------------------------- -- line 1226 ---------------------------------------- . } . } else { . 0 . }; . containers.push(Container::List(indent)); . } . ticks_unbalanced = false; . paragraph_range = range; 368 ( 0.00%) if is_first_paragraph { 430 ( 0.00%) headers.first_paragraph_md_len = doc[paragraph_range.clone()].chars().count(); . } . }, . End(TagEnd::Heading(_) | TagEnd::Paragraph | TagEnd::Item) => { . if is_first_paragraph { . is_first_paragraph = false; . } 460 ( 0.00%) if let End(TagEnd::Heading(_)) = event { . in_heading = false; . } 552 ( 0.00%) if let End(TagEnd::Item) = event { . containers.pop(); . } 184 ( 0.00%) if check_doc_markdown { . if ticks_unbalanced && let Some(span) = fragments.span(cx, paragraph_range.clone()) . .or_else(|| span_of_fragments(fragments.fragments)) { . span_lint_and_help( . cx, . DOC_MARKDOWN, . span, . "backticks are unbalanced", . None, -- line 1256 ---------------------------------------- -- line 1266 ---------------------------------------- . } . } . }, . Start(FootnoteDefinition(..)) => in_footnote_definition = true, . End(TagEnd::FootnoteDefinition) => in_footnote_definition = false, . Start(_) | End(_) // We don't care about other tags . | TaskListMarker(_) | Rule => (), . SoftBreak | HardBreak => { 62 ( 0.00%) if is_first_paragraph { 93 ( 0.00%) headers.first_paragraph_text_len += 1; . } 124 ( 0.00%) if !containers.is_empty() . && !in_footnote_definition . // Tabs aren't handled correctly vvvv . && !doc[range.clone()].contains('\t') . && let Some((next_event, next_range)) = events.peek() . && !matches!(next_event, End(_)) . { . lazy_continuation::check( . cx, -- line 1285 ---------------------------------------- -- line 1294 ---------------------------------------- . if event == HardBreak . && !doc[range.clone()].trim().starts_with('\\') . && let Some(span) = fragments.span(cx, range.clone()) . && !span.from_expansion() . { . collected_breaks.push(span); . } . }, 180 ( 0.00%) Code(code) | InlineMath(code) | DisplayMath(code) => { 135 ( 0.00%) if is_first_paragraph { 168 ( 0.00%) headers.first_paragraph_text_len += code.chars().count(); 462 ( 0.00%) => ???:::deref (42x) . } . } 664 ( 0.00%) Text(text) => { 332 ( 0.00%) if is_first_paragraph { 973 ( 0.00%) headers.first_paragraph_text_len += text.chars().count(); 1,650 ( 0.00%) => ???:::deref (150x) . } . paragraph_range.end = range.end; . let range_ = range.clone(); 900 ( 0.00%) ticks_unbalanced |= text.contains('`') 1,826 ( 0.00%) => ???:::deref (166x) . && code.is_none() . && doc[range.clone()].bytes().enumerate().any(|(i, c)| { . // scan the markdown source code bytes for backquotes that aren't preceded by backslashes . // - use bytes, instead of chars, to avoid utf8 decoding overhead (special chars are ascii) . // - relevant backquotes are within doc[range], but backslashes are not, because they're not . // actually part of the rendered text (pulldown-cmark doesn't emit any events for escapes) . // - if `range_.start + i == 0`, then `range_.start + i - 1 == -1`, and since we're working in . // usize, that would underflow and maybe panic . c == b'`' && (range_.start + i == 0 || doc.as_bytes().get(range_.start + i - 1) != Some(&b'\\')) . }); 334 ( 0.00%) if Some(&text) == in_link.as_ref() || ticks_unbalanced { . // Probably a link of the form `` . // Which are represented as a link to "http://example.com" with . // text "http://example.com" by pulldown-cmark . continue; . } 330 ( 0.00%) let trimmed_text = text.trim(); 1,815 ( 0.00%) => ???:::deref (165x) 330 ( 0.00%) headers.safety |= in_heading && trimmed_text == "Safety"; . headers.safety |= in_heading && trimmed_text == "SAFETY"; . headers.safety |= in_heading && trimmed_text == "Implementation safety"; . headers.safety |= in_heading && trimmed_text == "Implementation Safety"; 1,046 ( 0.00%) headers.errors |= in_heading && trimmed_text == "Errors"; 568 ( 0.00%) headers.panics |= in_heading && trimmed_text == "Panics"; . 330 ( 0.00%) if let Some(tags) = code { 30 ( 0.00%) if tags.rust && !tags.compile_fail && !tags.ignore { 4 ( 0.00%) needless_doctest_main::check(cx, &text, range.start, fragments); 11 ( 0.00%) => ???:::deref (1x) . 5 ( 0.00%) if !tags.no_run && !tags.test_harness { 4 ( 0.00%) test_attr_in_doctest::check(cx, &text, range.start, fragments); 11 ( 0.00%) => ???:::deref (1x) . } . } . } else { 160 ( 0.00%) if in_link.is_some() { . link_with_quotes::check(cx, trimmed_text, range.clone(), fragments); . } . if let Some(link) = in_link.as_ref() . && let Ok(url) = Url::parse(link) . && (url.scheme() == "https" || url.scheme() == "http") . { . // Don't check the text associated with external URLs . continue; . } 320 ( 0.00%) if check_doc_markdown { . text_to_check.push((text, range.clone(), code_level)); . } 1,760 ( 0.00%) doc_suspicious_footnotes::check(cx, doc, range, &fragments, attrs); 61,322 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/doc/doc_suspicious_footnotes.rs:clippy_lints::doc::doc_suspicious_footnotes::check (160x) . } 165 ( 0.00%) } . FootnoteReference(_) => {} . } 4,832 ( 0.00%) } 1,505 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (97x) 1,424 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (129x) . 86 ( 0.00%) doc_comment_double_space_linebreaks::check(cx, &collected_breaks); 1,290 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/doc/doc_comment_double_space_linebreaks.rs:clippy_lints::doc::doc_comment_double_space_linebreaks::check (86x) . . headers 688 ( 0.00%) } . . fn looks_like_refdef(doc: &str, range: Range) -> Option> { . if range.end < range.start { . return None; . } . . let offset = range.start; . let mut iterator = doc.as_bytes()[range].iter().copied().enumerate(); -- line 1378 ---------------------------------------- 211,059 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/formatting.rs -------------------------------------------------------------------------------- Ir -- line 141 ---------------------------------------- . POSSIBLE_MISSING_COMMA, . POSSIBLE_MISSING_ELSE, . SUSPICIOUS_ASSIGNMENT_FORMATTING, . SUSPICIOUS_ELSE_FORMATTING, . SUSPICIOUS_UNARY_OP_FORMATTING, . ]); . . impl EarlyLintPass for Formatting { 17,392 ( 0.00%) fn check_block(&mut self, cx: &EarlyContext<'_>, block: &Block) { . for w in block.stmts.windows(2) { 19,778 ( 0.00%) if let (StmtKind::Expr(first), StmtKind::Expr(second) | StmtKind::Semi(second)) = (&w[0].kind, &w[1].kind) { 346 ( 0.00%) check_missing_else(cx, first, second); . } . } 17,392 ( 0.00%) } . 345,730 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { . check_assign(cx, expr); . check_unop(cx, expr); . check_else(cx, expr); . check_array(cx, expr); 395,120 ( 0.01%) } . } . . /// Implementation of the `SUSPICIOUS_ASSIGNMENT_FORMATTING` lint. . fn check_assign(cx: &EarlyContext<'_>, expr: &Expr) { 148,170 ( 0.00%) if let ExprKind::Assign(ref lhs, ref rhs, _) = expr.kind 120 ( 0.00%) && !lhs.span.from_expansion() 120 ( 0.00%) && !rhs.span.from_expansion() . { 128 ( 0.00%) let eq_span = lhs.span.between(rhs.span); 3,424 ( 0.00%) => ???:::between (32x) 64 ( 0.00%) if let ExprKind::Unary(op, ref sub_rhs) = rhs.kind . && let Some(eq_snippet) = snippet_opt(cx, eq_span) . { . let op = op.as_str(); . let eqop_span = lhs.span.between(sub_rhs.span); . if eq_snippet.ends_with('=') { . span_lint_and_note( . cx, . SUSPICIOUS_ASSIGNMENT_FORMATTING, -- line 180 ---------------------------------------- -- line 188 ---------------------------------------- . ); . } . } . } . } . . /// Implementation of the `SUSPICIOUS_UNARY_OP_FORMATTING` lint. . fn check_unop(cx: &EarlyContext<'_>, expr: &Expr) { 98,700 ( 0.00%) if let ExprKind::Binary(ref binop, ref lhs, ref rhs) = expr.kind 1,191 ( 0.00%) && !lhs.span.from_expansion() && !rhs.span.from_expansion() . // span between BinOp LHS and RHS 604 ( 0.00%) && let binop_span = lhs.span.between(rhs.span) 16,157 ( 0.00%) => ???:::between (151x) . // if RHS is an UnOp 311 ( 0.00%) && let ExprKind::Unary(op, ref un_rhs) = rhs.kind . // from UnOp operator to UnOp operand 45 ( 0.00%) && let unop_operand_span = rhs.span.until(un_rhs.span) 936 ( 0.00%) => ???:::until (9x) 18 ( 0.00%) && let Some(binop_snippet) = snippet_opt(cx, binop_span) 18 ( 0.00%) && let Some(unop_operand_snippet) = snippet_opt(cx, unop_operand_span) 27 ( 0.00%) && let binop_str = binop.node.as_str() . // no space after BinOp operator and space after UnOp operator 9 ( 0.00%) && binop_snippet.ends_with(binop_str) && unop_operand_snippet.ends_with(' ') . { . let unop_str = op.as_str(); . let eqop_span = lhs.span.between(un_rhs.span); . span_lint_and_help( . cx, . SUSPICIOUS_UNARY_OP_FORMATTING, . eqop_span, . format!( -- line 216 ---------------------------------------- -- line 220 ---------------------------------------- . None, . format!("put a space between `{binop_str}` and `{unop_str}` and remove the space after `{unop_str}`"), . ); . } . } . . /// Implementation of the `SUSPICIOUS_ELSE_FORMATTING` lint for weird `else`. . fn check_else(cx: &EarlyContext<'_>, expr: &Expr) { 99,156 ( 0.00%) if let ExprKind::If(_, then, Some(else_)) = &expr.kind 241 ( 0.00%) && (is_block(else_) || is_if(else_)) 645 ( 0.00%) && !then.span.from_expansion() && !else_.span.from_expansion() 516 ( 0.00%) && !expr.span.in_external_macro(cx.sess().source_map()) . . // workaround for rust-lang/rust#43081 516 ( 0.00%) && expr.span.lo().0 != 0 && expr.span.hi().0 != 0 . . // this will be a span from the closing ‘}’ of the “then” block (excluding) to . // the “if” of the “else if” block (excluding) 516 ( 0.00%) && let else_span = then.span.between(else_.span) 13,803 ( 0.00%) => ???:::between (129x) . . // the snippet should look like " else \n " with maybe comments anywhere . // it’s bad when there is a ‘\n’ after the “else” 1,032 ( 0.00%) && let Some(else_snippet) = snippet_opt(cx, else_span) 52,786 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::snippet_opt::<&rustc_lint::context::EarlyContext> (129x) 1,032 ( 0.00%) && let Some((pre_else, post_else)) = else_snippet.split_once("else") 47,859 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs:::split_once::<&str> (129x) 258 ( 0.00%) && !else_snippet.contains('/') 774 ( 0.00%) && let Some((_, post_else_post_eol)) = post_else.split_once('\n') 5,676 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs:::split_once:: (129x) . { . // Allow allman style braces `} \n else \n {` . if is_block(else_) . && let Some((_, pre_else_post_eol)) = pre_else.split_once('\n') . // Exactly one eol before and after the else . && !pre_else_post_eol.contains('\n') . && !post_else_post_eol.contains('\n') . { -- line 253 ---------------------------------------- -- line 282 ---------------------------------------- . } . . fn indentation(cx: &EarlyContext<'_>, span: Span) -> usize { . cx.sess().source_map().lookup_char_pos(span.lo()).col.0 . } . . /// Implementation of the `POSSIBLE_MISSING_COMMA` lint for array . fn check_array(cx: &EarlyContext<'_>, expr: &Expr) { 97,576 ( 0.00%) if let ExprKind::Array(ref array) = expr.kind { . for element in array { 48 ( 0.00%) if let ExprKind::Binary(ref op, ref lhs, _) = element.kind . && has_unary_equivalent(op.node) . && lhs.span.eq_ctxt(op.span) . && let space_span = lhs.span.between(op.span) . && let Some(space_snippet) = snippet_opt(cx, space_span) . && let lint_span = lhs.span.with_lo(lhs.span.hi()) . && space_snippet.contains('\n') . && indentation(cx, op.span) <= indentation(cx, lhs.span) . { -- line 300 ---------------------------------------- -- line 307 ---------------------------------------- . "to remove this lint, add a comma or write the expr in a single line", . ); . } . } . } . } . . fn check_missing_else(cx: &EarlyContext<'_>, first: &Expr, second: &Expr) { 619 ( 0.00%) if !first.span.from_expansion() && !second.span.from_expansion() . && matches!(first.kind, ExprKind::If(..)) 183 ( 0.00%) && (is_block(second) || is_if(second)) . . // Proc-macros can give weird spans. Make sure this is actually an `if`. 63 ( 0.00%) && is_span_if(cx, first.span) . . // If there is a line break between the two expressions, don't lint. . // If there is a non-whitespace character, this span came from a proc-macro. 105 ( 0.00%) && let else_span = first.span.between(second.span) 2,247 ( 0.00%) => ???:::between (21x) 105 ( 0.00%) && let Some(else_snippet) = snippet_opt(cx, else_span) 84 ( 0.00%) && !else_snippet.chars().any(|c| c == '\n' || !c.is_whitespace()) . { . let (looks_like, next_thing) = if is_if(second) { . ("an `else if`", "the second `if`") . } else { . ("an `else {..}`", "the next block") . }; . . span_lint_and_note( -- line 334 ---------------------------------------- -- line 338 ---------------------------------------- . format!("this looks like {looks_like} but the `else` is missing"), . None, . format!("to remove this lint, add the missing `else` or add a new line before {next_thing}"), . ); . } . } . . fn is_block(expr: &Expr) -> bool { 380 ( 0.00%) matches!(expr.kind, ExprKind::Block(..)) . } . . /// Check if the expression is an `if` or `if let` . fn is_if(expr: &Expr) -> bool { . matches!(expr.kind, ExprKind::If(..)) . } 1,730 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint/src/levels.rs -------------------------------------------------------------------------------- Ir -- line 482 ---------------------------------------- . } . } . . impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> . where . LevelSpec: Into, . { . pub(crate) fn sess(&self) -> &Session { 136,552 ( 0.00%) self.sess . } . . pub(crate) fn features(&self) -> &Features { . self.features . } . . fn add_command_line(&mut self) { . for &(ref lint_name, level) in &self.sess.opts.lint_opts { -- line 498 ---------------------------------------- -- line 996 ---------------------------------------- . ); . } . . false . } . . /// Find the lint level for a lint. . pub fn lint_level_spec(&self, lint: &'static Lint) -> LevelSpec { 11,406 ( 0.00%) self.provider.get_lint_level_spec(lint, self.sess) 4,676 ( 0.00%) => ???:::get_lint_level_spec (28x) . } . . /// Used to emit a lint-related diagnostic based on the current state of . /// this lint context. . #[track_caller] . pub(crate) fn opt_span_lint( . &self, . lint: &'static Lint, . span: Option, . decorator: impl for<'a> Diagnostic<'a, ()>, . ) { . let level_spec = self.lint_level_spec(lint); 58 ( 0.00%) emit_lint_base(self.sess, lint, level_spec, span, decorator) . } . . #[track_caller] . pub fn emit_span_lint( . &self, . lint: &'static Lint, . span: MultiSpan, . decorator: impl for<'a> Diagnostic<'a, ()>, -- line 1025 ---------------------------------------- 2,896 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/chain.rs -------------------------------------------------------------------------------- Ir -- line 29 ---------------------------------------- . // . // Only the "first" iterator is actually set `None` when exhausted, depending on whether you . // iterate forward or backward. If you mix directions, then both sides may be `None`. . a: Option, . b: Option, . } . impl Chain { . pub(in super::super) const fn new(a: A, b: B) -> Chain { 43,869 ( 0.00%) Chain { a: Some(a), b: Some(b) } . } . } . . /// Converts the arguments to iterators and links them together, in a chain. . /// . /// See the documentation of [`Iterator::chain`] for more. . /// . /// # Examples -- line 45 ---------------------------------------- -- line 73 ---------------------------------------- . impl Iterator for Chain . where . A: Iterator, . B: Iterator, . { . type Item = A::Item; . . #[inline] 75 ( 0.00%) fn next(&mut self) -> Option { 456 ( 0.00%) and_then_or_clear(&mut self.a, Iterator::next).or_else(|| self.b.as_mut()?.next()) 193 ( 0.00%) } . . #[inline] . #[rustc_inherit_overflow_checks] . fn count(self) -> usize { . let a_count = match self.a { . Some(a) => a.count(), . None => 0, . }; . let b_count = match self.b { . Some(b) => b.count(), . None => 0, . }; . a_count + b_count . } . 23,440 ( 0.00%) fn try_fold(&mut self, mut acc: Acc, mut f: F) -> R . where . Self: Sized, . F: FnMut(Acc, Self::Item) -> R, . R: Try, . { 8,804 ( 0.00%) if let Some(ref mut a) = self.a { . acc = a.try_fold(acc, &mut f)?; . self.a = None; . } . if let Some(ref mut b) = self.b { . acc = b.try_fold(acc, f)?; . // we don't fuse the second iterator . } . try { acc } 29,314 ( 0.00%) } . . fn fold(self, mut acc: Acc, mut f: F) -> Acc . where . F: FnMut(Acc, Self::Item) -> Acc, . { 1,016 ( 0.00%) if let Some(a) = self.a { . acc = a.fold(acc, &mut f); . } 372 ( 0.00%) if let Some(b) = self.b { . acc = b.fold(acc, f); . } . acc . } . . #[inline] . fn advance_by(&mut self, mut n: usize) -> Result<(), NonZero> { . if let Some(ref mut a) = self.a { -- line 131 ---------------------------------------- -- line 175 ---------------------------------------- . // Must exhaust a before b. . let a_last = self.a.and_then(Iterator::last); . let b_last = self.b.and_then(Iterator::last); . b_last.or(a_last) . } . . #[inline] . fn size_hint(&self) -> (usize, Option) { 3,872 ( 0.00%) match self { . Chain { a: Some(a), b: Some(b) } => { . let (a_lower, a_upper) = a.size_hint(); 372 ( 0.00%) let (b_lower, b_upper) = b.size_hint(); . . let lower = a_lower.saturating_add(b_lower); . . let upper = match (a_upper, b_upper) { . (Some(x), Some(y)) => x.checked_add(y), . _ => None, . }; . -- line 194 ---------------------------------------- -- line 325 ---------------------------------------- . fn default() -> Self { . Chain::new(Default::default(), Default::default()) . } . } . . #[inline] . fn and_then_or_clear(opt: &mut Option, f: impl FnOnce(&mut T) -> Option) -> Option { . let x = f(opt.as_mut()?); 964 ( 0.00%) if x.is_none() { 2,357 ( 0.00%) *opt = None; . } . x . } 9,013 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/neg_multiply.rs -------------------------------------------------------------------------------- Ir -- line 43 ---------------------------------------- . } . } . . false . } . . impl<'tcx> LateLintPass<'tcx> for NegMultiply { . fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 52,045 ( 0.00%) if let ExprKind::Binary(ref op, left, right) = e.kind 246 ( 0.00%) && BinOpKind::Mul == op.node . { . match (&left.kind, &right.kind) { . (&ExprKind::Unary(..), &ExprKind::Unary(..)) => {}, . (&ExprKind::Unary(UnOp::Neg, lit), _) => check_mul(cx, e, lit, right), . (_, &ExprKind::Unary(UnOp::Neg, lit)) => check_mul(cx, e, lit, left), . _ => {}, . } . } -- line 60 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/spec_from_iter_nested.rs -------------------------------------------------------------------------------- Ir -- line 10 ---------------------------------------- . pub(super) trait SpecFromIterNested { . fn from_iter(iter: I) -> Self; . } . . impl SpecFromIterNested for Vec . where . I: Iterator, . { 574,148 ( 0.01%) default fn from_iter(mut iterator: I) -> Self { . // Unroll the first iteration, as the vector is going to be . // expanded on this iteration in every case when the iterable is not . // empty, but the loop in extend_desugared() is not going to see the . // vector being full in the few subsequent loop iterations. . // So we get better branch prediction. 2,878 ( 0.00%) let mut vector = match iterator.next() { 11,274 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:, clippy_utils::source::reindent_multiline_inner::{closure#1}> as core::iter::traits::iterator::Iterator>::next (48x) . None => return Vec::new(), 49 ( 0.00%) Some(element) => { . let (lower, _) = iterator.size_hint(); . let initial_capacity = . cmp::max(RawVec::::MIN_NON_ZERO_CAP, lower.saturating_add(1)); . let mut vector = Vec::with_capacity(initial_capacity); . unsafe { . // SAFETY: We requested capacity at least 1 . ptr::write(vector.as_mut_ptr(), element); . vector.set_len(1); . } 936 ( 0.00%) vector . } . }; . // must delegate to spec_extend() since extend() itself delegates . // to spec_from for empty Vecs 2,355 ( 0.00%) as SpecExtend>::spec_extend(&mut vector, iterator); 30 ( 0.00%) => ???:0x0000000000173dc0 (1x) 1,873 ( 0.00%) vector 642,374 ( 0.01%) } . } . . impl SpecFromIterNested for Vec . where . I: TrustedLen, . { 3,782 ( 0.00%) fn from_iter(iterator: I) -> Self { 190 ( 0.00%) let mut vector = match iterator.size_hint() { . (_, Some(upper)) => Vec::with_capacity(upper), . // TrustedLen contract guarantees that `size_hint() == (_, None)` means that there . // are more than `usize::MAX` elements. . // Since the previous branch would eagerly panic if the capacity is too large . // (via `with_capacity`) we do the same here. . _ => panic!("capacity overflow"), . }; . // reuse extend specialization for TrustedLen 644 ( 0.00%) vector.spec_extend(iterator); 2,654 ( 0.00%) vector 3,972 ( 0.00%) } . } 1,750 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/index.rs -------------------------------------------------------------------------------- Ir -- line 82 ---------------------------------------- . #[inline(always)] . const unsafe fn get_offset_len_noubcheck( . ptr: *const [T], . offset: usize, . len: usize, . ) -> *const [T] { . let ptr = ptr as *const T; . // SAFETY: The caller already checked these preconditions 25,405 ( 0.00%) let ptr = unsafe { crate::intrinsics::offset(ptr, offset) }; . crate::intrinsics::aggregate_raw_ptr(ptr, len) . } . . #[inline(always)] . const unsafe fn get_offset_len_mut_noubcheck( . ptr: *mut [T], . offset: usize, . len: usize, . ) -> *mut [T] { . let ptr = ptr as *mut T; . // SAFETY: The caller already checked these preconditions 121 ( 0.00%) let ptr = unsafe { crate::intrinsics::offset(ptr, offset) }; . crate::intrinsics::aggregate_raw_ptr(ptr, len) . } . . /// A helper trait used for indexing operations. . /// . /// Implementations of this trait have to promise that if the argument . /// to `get_unchecked(_mut)` is a safe reference, then so is the result. . #[stable(feature = "slice_get_slice", since = "1.28.0")] -- line 110 ---------------------------------------- -- line 176 ---------------------------------------- . /// The methods `index` and `index_mut` panic if the index is out of bounds. . #[stable(feature = "slice_get_slice_impls", since = "1.15.0")] . #[rustc_const_unstable(feature = "const_index", issue = "143775")] . const unsafe impl SliceIndex<[T]> for usize { . type Output = T; . . #[inline] . fn get(self, slice: &[T]) -> Option<&T> { 326,168 ( 0.01%) if self < slice.len() { . // SAFETY: `self` is checked to be in bounds. 264 ( 0.00%) unsafe { Some(slice_get_unchecked(slice, self)) } . } else { . None . } . } . . #[inline] . #[rustc_no_writable] . fn get_mut(self, slice: &mut [T]) -> Option<&mut T> { 1,120 ( 0.00%) if self < slice.len() { . // SAFETY: `self` is checked to be in bounds. . unsafe { Some(slice_get_unchecked(slice, self)) } . } else { . None . } . } . . #[inline] -- line 203 ---------------------------------------- -- line 211 ---------------------------------------- . // SAFETY: the caller guarantees that `slice` is not dangling, so it . // cannot be longer than `isize::MAX`. They also guarantee that . // `self` is in bounds of `slice` so `self` cannot overflow an `isize`, . // so the call to `add` is safe. . unsafe { . // Use intrinsics::assume instead of hint::assert_unchecked so that we don't check the . // precondition of this function twice. . crate::intrinsics::assume(self < slice.len()); 559 ( 0.00%) slice_get_unchecked(slice, self) . } . } . . #[inline] . #[track_caller] . unsafe fn get_unchecked_mut(self, slice: *mut [T]) -> *mut T { . assert_unsafe_precondition!( . check_library_ub, . "slice::get_unchecked_mut requires that the index is within the slice", . (this: usize = self, len: usize = slice.len()) => this < len . ); . // SAFETY: see comments for `get_unchecked` above. 264 ( 0.00%) unsafe { slice_get_unchecked(slice, self) } . } . . #[inline] . fn index(self, slice: &[T]) -> &T { . // N.B., use intrinsic indexing 4,317,046 ( 0.08%) &(*slice)[self] . } . . #[inline] . #[rustc_no_writable] . fn index_mut(self, slice: &mut [T]) -> &mut T { . // N.B., use intrinsic indexing 8,425 ( 0.00%) &mut (*slice)[self] . } . } . . /// Because `IndexRange` guarantees `start <= end`, fewer checks are needed here . /// than there are for a general `Range` (which might be `100..3`). . #[rustc_const_unstable(feature = "const_index", issue = "143775")] . const unsafe impl SliceIndex<[T]> for ops::IndexRange { . type Output = [T]; -- line 253 ---------------------------------------- -- line 391 ---------------------------------------- . ( . start: usize = self.start, . end: usize = self.end, . len: usize = slice.len() . ) => end >= start && end <= len . ); . // SAFETY: see comments for `get_unchecked` above. . unsafe { 2 ( 0.00%) let new_len = crate::intrinsics::unchecked_sub(self.end, self.start); . get_offset_len_mut_noubcheck(slice, self.start, new_len) . } . } . . #[inline(always)] . fn index(self, slice: &[T]) -> &[T] { . // Using checked_sub is a safe way to get `SubUnchecked` in MIR . if let Some(new_len) = usize::checked_sub(self.end, self.start) 6 ( 0.00%) && self.end <= slice.len() . { . // SAFETY: `self` is checked to be valid and in bounds above. . unsafe { &*get_offset_len_noubcheck(slice, self.start, new_len) } . } else { . slice_index_fail(self.start, self.end, slice.len()) . } . } . -- line 416 ---------------------------------------- -- line 536 ---------------------------------------- . #[inline] . unsafe fn get_unchecked_mut(self, slice: *mut [T]) -> *mut [T] { . // SAFETY: the caller has to uphold the safety contract for `get_unchecked_mut`. . unsafe { (self.start..slice.len()).get_unchecked_mut(slice) } . } . . #[inline] . fn index(self, slice: &[T]) -> &[T] { 82 ( 0.00%) if self.start > slice.len() { . slice_index_fail(self.start, slice.len(), slice.len()) . } . // SAFETY: `self` is checked to be valid and in bounds above. . unsafe { . let new_len = crate::intrinsics::unchecked_sub(slice.len(), self.start); . &*get_offset_len_noubcheck(slice, self.start, new_len) . } . } -- line 552 ---------------------------------------- 35,578 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unwrap.rs -------------------------------------------------------------------------------- Ir -- line 170 ---------------------------------------- . impl Local { . fn snippet(&self, cx: &LateContext<'_>) -> Cow<'static, str> { . match *self { . Self::WithFieldAccess { span, .. } => snippet(cx.sess(), span, "_"), . Self::Pure { local_id } => cx.tcx.hir_name(local_id).to_string().into(), . } . } . 780 ( 0.00%) fn is_potentially_local_place(&self, place: &Place<'_>) -> bool { 312 ( 0.00%) match self { . Self::WithFieldAccess { . local_id, . field_indices, . .. . } => { . let field_projections = place . .projections . .iter() 24 ( 0.00%) .filter(|proj| matches!(proj.kind, ProjectionKind::Field(_, _))) . .collect::>(); 15 ( 0.00%) is_potentially_local_place(*local_id, place) . // If there were projections other than field projections, err on the side of caution and say that they . // _might_ be mutating something. . // . // The reason we use `<=` and not `==` is that a mutation of `struct` or `struct.field1` should count as . // mutation of the child fields such as `struct.field1.field2` 18 ( 0.00%) && field_projections.len() <= field_indices.len() 27 ( 0.00%) && iter::zip(&field_projections, field_indices.iter().copied().rev()).all(|(proj, field_idx)| { 27 ( 0.00%) match proj.kind { . ProjectionKind::Field(f_idx, _) => f_idx == field_idx, . // If this is a projection we don't expect, it _might_ be mutating something . _ => false, . } . }) . }, 85 ( 0.00%) Self::Pure { local_id } => is_potentially_local_place(*local_id, place), . } 780 ( 0.00%) } . } . . /// Contains information about whether a variable can be unwrapped. . #[derive(Clone, Debug)] . struct UnwrapInfo<'tcx> { . /// The variable that is checked . local: Local, . /// The if itself -- line 215 ---------------------------------------- -- line 236 ---------------------------------------- . if_expr: &'tcx Expr<'_>, . expr: &'tcx Expr<'_>, . branch: &'tcx Expr<'_>, . invert: bool, . is_entire_condition: bool, . ) -> Vec> { . fn option_or_result_call(cx: &LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> Option<(UnwrappableKind, bool)> { . match (ty.opt_diag_name(cx)?, method_name) { 48 ( 0.00%) (sym::Option, sym::is_some) => Some((UnwrappableKind::Option, true)), 16 ( 0.00%) (sym::Option, sym::is_none) => Some((UnwrappableKind::Option, false)), . (sym::Result, sym::is_ok) => Some((UnwrappableKind::Result, true)), . (sym::Result, sym::is_err) => Some((UnwrappableKind::Result, false)), . _ => None, . } . } . 5,740 ( 0.00%) fn inner<'tcx>( . cx: &LateContext<'tcx>, . if_expr: &'tcx Expr<'_>, . expr: &'tcx Expr<'_>, . branch: &'tcx Expr<'_>, . invert: bool, . is_entire_condition: bool, . out: &mut Vec>, . ) { 3,812 ( 0.00%) match expr.kind { 32 ( 0.00%) ExprKind::Binary(op, left, right) 363 ( 0.00%) if matches!( 240 ( 0.00%) (invert, op.node), . (false, BinOpKind::And | BinOpKind::BitAnd) | (true, BinOpKind::Or | BinOpKind::BitOr) . ) => . { 112 ( 0.00%) inner(cx, if_expr, left, branch, invert, false, out); 3,131 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:clippy_lints::unwrap::collect_unwrap_info::inner'2 (16x) . inner(cx, if_expr, right, branch, invert, false, out); . }, 52 ( 0.00%) ExprKind::Unary(UnOp::Not, expr) => inner(cx, if_expr, expr, branch, !invert, false, out), 284 ( 0.00%) ExprKind::MethodCall(method_name, receiver, [], _) 963 ( 0.00%) if let Some(local) = extract_local(cx, receiver) 7,942 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:clippy_lints::unwrap::extract_local (75x) 69 ( 0.00%) && let ty = cx.typeck_results().expr_ty(receiver) 2,480 ( 0.00%) => ???:::expr_ty (62x) . && let name = method_name.ident.name 110 ( 0.00%) && let Some((kind, unwrappable)) = option_or_result_call(cx, ty, name) => . { . let safe_to_unwrap = unwrappable != invert; . 112 ( 0.00%) out.push(UnwrapInfo { . local, . if_expr, . check: expr, . check_name: name, . branch, . safe_to_unwrap, . kind, . is_entire_condition, . }); . }, . _ => {}, . } 3,032 ( 0.00%) } . . let mut out = vec![]; 1,576 ( 0.00%) inner(cx, if_expr, expr, branch, invert, is_entire_condition, &mut out); 29,043 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:clippy_lints::unwrap::collect_unwrap_info::inner (278x) 1,182 ( 0.00%) out . } . . /// Extracts either a local used by itself ([`Local::Pure`]), or (one or more levels of) field . /// access to a local ([`Local::WithFieldAccess`]) 13,000 ( 0.00%) fn extract_local(cx: &LateContext<'_>, mut expr: &Expr<'_>) -> Option { 1,625 ( 0.00%) let span = expr.span; . let mut field_indices = vec![]; 10,215 ( 0.00%) while let ExprKind::Field(recv, _) = expr.kind 2,926 ( 0.00%) && let Some(field_idx) = cx.typeck_results().opt_field_index(expr.hir_id) 16,314 ( 0.00%) => ???:::opt_field_index (418x) . { . field_indices.push(field_idx); . expr = recv; . } . let local_id = expr.res_local_id()?; 1,234 ( 0.00%) if field_indices.is_empty() { 2,550 ( 0.00%) Some(Local::Pure { local_id }) . } else { 1,536 ( 0.00%) Some(Local::WithFieldAccess { . local_id, 1,536 ( 0.00%) field_indices, . span, . }) . } 13,384 ( 0.00%) } . . /// A HIR visitor delegate that checks if a local variable of type `Option` or `Result` is mutated, . /// *except* for if `.as_mut()` is called. . /// The reason for why we allow that one specifically is that `.as_mut()` cannot change . /// the variant, and that is important because this lint relies on the fact that . /// `is_some` + `unwrap` is equivalent to `if let Some(..) = ..`, which it would not be if . /// the option is changed to None between `is_some` and `unwrap`, ditto for `Result`. . /// (And also `.as_mut()` is a somewhat common method that is still worth linting on.) -- line 329 ---------------------------------------- -- line 336 ---------------------------------------- . /// Checks if the parent of the expression pointed at by the given `HirId` is a call to . /// `.as_mut()`. . /// . /// Used by the mutation visitor to specifically allow `.as_mut()` calls. . /// In particular, the `HirId` that the visitor receives is the id of the local expression . /// (i.e. the `x` in `x.as_mut()`), and that is the reason for why we care about its parent . /// expression: that will be where the actual method call is. . fn is_as_mut_use(tcx: TyCtxt<'_>, expr_id: HirId) -> bool { 12 ( 0.00%) if let Node::Expr(mutating_expr) = tcx.parent_hir_node(expr_id) 176 ( 0.00%) => ???:::parent_hir_node (2x) 4 ( 0.00%) && let ExprKind::MethodCall(path, _, [], _) = mutating_expr.kind . { . path.ident.name == sym::as_mut . } else { . false . } . } . . impl<'tcx> Delegate<'tcx> for MutationVisitor<'tcx, '_> { . fn borrow(&mut self, cat: &PlaceWithHirId<'tcx>, diag_expr_id: HirId, bk: ty::BorrowKind) { 239 ( 0.00%) if let ty::BorrowKind::Mutable = bk 580 ( 0.00%) && self.local.is_potentially_local_place(&cat.place) 1,598 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:::is_potentially_local_place (60x) 2 ( 0.00%) && !is_as_mut_use(self.tcx, diag_expr_id) . { 2 ( 0.00%) self.is_mutated = true; . } . } . . fn mutate(&mut self, cat: &PlaceWithHirId<'tcx>, _: HirId) { 264 ( 0.00%) if self.local.is_potentially_local_place(&cat.place) { 932 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:::is_potentially_local_place (32x) 5 ( 0.00%) self.is_mutated = true; . } . } . . fn consume(&mut self, _: &PlaceWithHirId<'tcx>, _: HirId) {} . . fn use_cloned(&mut self, _: &PlaceWithHirId<'tcx>, _: HirId) {} . . fn fake_read(&mut self, _: &PlaceWithHirId<'tcx>, _: FakeReadCause, _: HirId) {} . } . . impl<'tcx> UnwrappableVariablesVisitor<'_, 'tcx> { 3,546 ( 0.00%) fn visit_branch( . &mut self, . if_expr: &'tcx Expr<'_>, . cond: &'tcx Expr<'_>, . branch: &'tcx Expr<'_>, . else_branch: bool, . ) { . let prev_len = self.unwrappables.len(); 2,934 ( 0.00%) for unwrap_info in collect_unwrap_info(self.cx, if_expr, cond, branch, else_branch, true) { 64 ( 0.00%) let mut delegate = MutationVisitor { . is_mutated: false, . local: &unwrap_info.local, 32 ( 0.00%) tcx: self.cx.tcx, . }; . . let vis = ExprUseVisitor::for_clippy(self.cx, cond.hir_id.owner.def_id, &mut delegate); 48 ( 0.00%) vis.walk_expr(cond).into_ok(); 38,728 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_expr (15x) 48 ( 0.00%) vis.walk_expr(branch).into_ok(); 379,020 ( 0.01%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_expr (15x) . 32 ( 0.00%) if delegate.is_mutated { . // if the variable is mutated, we don't know whether it can be unwrapped. . // it might have been changed to `None` in between `is_some` + `unwrap`. . continue; . } 108 ( 0.00%) self.unwrappables.push(unwrap_info); . } 1,182 ( 0.00%) walk_expr(self, branch); 1,392,213 ( 0.03%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::'2 (278x) . self.unwrappables.truncate(prev_len); 3,152 ( 0.00%) } . } . . enum AsRefKind { . AsRef, . AsMut, . } . . /// Checks if the expression is a method call to `as_{ref,mut}` and returns the receiver of it. . /// If it isn't, the expression itself is returned. . fn consume_option_as_ref<'tcx>(expr: &'tcx Expr<'tcx>) -> (&'tcx Expr<'tcx>, Option) { 4,078 ( 0.00%) if let ExprKind::MethodCall(path, recv, [], _) = expr.kind { 215 ( 0.00%) match path.ident.name { 848 ( 0.00%) sym::as_ref => (recv, Some(AsRefKind::AsRef)), 2 ( 0.00%) sym::as_mut => (recv, Some(AsRefKind::AsMut)), . _ => (expr, None), . } . } else { . (expr, None) . } . } . . impl<'tcx> Visitor<'tcx> for UnwrappableVariablesVisitor<'_, 'tcx> { . type NestedFilter = nested_filter::OnlyBodies; . 460,980 ( 0.01%) fn visit_expr(&mut self, expr: &'tcx Expr<'_>) { . // Skip checking inside closures since they are visited through `Unwrap::check_fn()` already. 352,106 ( 0.01%) if matches!(expr.kind, ExprKind::Closure(_)) { . return; . } . if let Some(higher::If { cond, then, r#else }) = higher::If::hir(expr) { 741 ( 0.00%) walk_expr(self, cond); 52,701 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::'2 (247x) 1,482 ( 0.00%) self.visit_branch(expr, cond, then, false); 1,067,740 ( 0.02%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:::visit_branch (173x) 154,364 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:::visit_branch'2 (74x) 494 ( 0.00%) if let Some(else_inner) = r#else { 1,911 ( 0.00%) self.visit_branch(expr, cond, else_inner, true); 791,066 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:::visit_branch (105x) 492,767 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:::visit_branch'2 (42x) . } . } else { . // find `unwrap[_err]()` or `expect("...")` calls: 1,541 ( 0.00%) if let ExprKind::MethodCall(method_name, self_arg, ..) = expr.kind 1,541 ( 0.00%) && let (self_arg, as_ref_kind) = consume_option_as_ref(self_arg) 15,447 ( 0.00%) && let Some(local) = extract_local(self.cx, self_arg) 2,436 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:clippy_lints::unwrap::extract_local (18x) 8,155 ( 0.00%) && matches!(method_name.ident.name, sym::unwrap | sym::expect | sym::unwrap_err) . && let call_to_unwrap = matches!(method_name.ident.name, sym::unwrap | sym::expect) . && let Some(unwrappable) = self.unwrappables.iter().find(|u| u.local == local) . // Span contexts should not differ with the conditional branch . && let span_ctxt = expr.span.ctxt() . && unwrappable.branch.span.ctxt() == span_ctxt . && unwrappable.check.span.ctxt() == span_ctxt . && !expr.span.in_external_macro(self.cx.tcx.sess.source_map()) . { -- line 454 ---------------------------------------- -- line 505 ---------------------------------------- . expr.span, . format!("this call to `{}()` will always panic", method_name.ident.name), . |diag| { . diag.span_label(unwrappable.check.span, "because of this check"); . }, . ); . } . } 152,514 ( 0.00%) walk_expr(self, expr); 5,153,870 ( 0.10%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr:: (413x) . } 408,584 ( 0.01%) } . . fn maybe_tcx(&mut self) -> Self::MaybeTyCtxt { 413 ( 0.00%) self.cx.tcx . } . } . . impl<'tcx> LateLintPass<'tcx> for Unwrap { 2,954 ( 0.00%) fn check_fn( . &mut self, . cx: &LateContext<'tcx>, . kind: FnKind<'tcx>, . decl: &'tcx FnDecl<'_>, . body: &'tcx Body<'_>, . span: Span, . fn_id: LocalDefId, . ) { . if span.from_expansion() { . return; . } . 2,065 ( 0.00%) let mut v = UnwrappableVariablesVisitor { . unwrappables: Vec::new(), . cx, 413 ( 0.00%) msrv: self.msrv, . }; . 1,652 ( 0.00%) walk_fn(&mut v, kind, decl, body.id(), fn_id); 5,314,195 ( 0.10%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_fn:: (413x) 2,110 ( 0.00%) } . } 8,309 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/infinite_iter.rs -------------------------------------------------------------------------------- Ir -- line 48 ---------------------------------------- . pub MAYBE_INFINITE_ITER, . pedantic, . "possible infinite iteration" . } . . declare_lint_pass!(InfiniteIter => [INFINITE_ITER, MAYBE_INFINITE_ITER]); . . impl<'tcx> LateLintPass<'tcx> for InfiniteIter { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 216 ( 0.00%) let (lint, msg) = match complete_infinite_iter(cx, expr) { . Infinite => (INFINITE_ITER, "infinite iteration detected"), . MaybeInfinite => (MAYBE_INFINITE_ITER, "possible infinite iteration detected"), . Finite => { . return; . }, . }; . span_lint(cx, lint, expr.span, msg); 312,270 ( 0.01%) } . } . . #[derive(Copy, Clone, Debug, PartialEq, Eq)] . enum Finiteness { . Infinite, . MaybeInfinite, . Finite, . } . . use self::Finiteness::{Finite, Infinite, MaybeInfinite}; . . impl Finiteness { . #[must_use] . fn and(self, b: Self) -> Self { 433 ( 0.00%) match (self, b) { . (Finite, _) | (_, Finite) => Finite, . (MaybeInfinite, _) | (_, MaybeInfinite) => MaybeInfinite, . _ => Infinite, . } . } . . #[must_use] . fn or(self, b: Self) -> Self { -- line 88 ---------------------------------------- -- line 91 ---------------------------------------- . (MaybeInfinite, _) | (_, MaybeInfinite) => MaybeInfinite, . _ => Finite, . } . } . } . . impl From for Finiteness { . fn from(b: bool) -> Self { 10 ( 0.00%) if b { Infinite } else { Finite } . } . } . . /// This tells us what to look for to know if the iterator returned by . /// this method is infinite . #[derive(Copy, Clone)] . enum Heuristic { . /// infinite no matter what -- line 107 ---------------------------------------- -- line 138 ---------------------------------------- . (sym::filter, 1, First, Infinite), . (sym::filter_map, 1, First, Infinite), . (sym::flat_map, 1, First, Infinite), . (sym::unzip, 0, First, Infinite), . (sym::take_while, 1, First, MaybeInfinite), . (sym::scan, 2, First, MaybeInfinite), . ]; . 3,130 ( 0.00%) fn is_infinite(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness { 2,504 ( 0.00%) match expr.kind { 364 ( 0.00%) ExprKind::MethodCall(method, receiver, args, _) => { 39 ( 0.00%) for &(name, len, heuristic, cap) in &HEURISTICS { 2,549 ( 0.00%) if method.ident.name == name && args.len() == len { 117 ( 0.00%) return (match heuristic { . Always => Infinite, 39 ( 0.00%) First => is_infinite(cx, receiver), 5,372 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/infinite_iter.rs:clippy_lints::infinite_iter::is_infinite'2 (27x) . Any => is_infinite(cx, receiver).or(is_infinite(cx, &args[0])), . All => is_infinite(cx, receiver).and(is_infinite(cx, &args[0])), . }) . .and(cap); . } . } . if method.ident.name == sym::flat_map . && args.len() == 1 -- line 161 ---------------------------------------- -- line 163 ---------------------------------------- . { . let body = cx.tcx.hir_body(body); . return is_infinite(cx, body.value); . } . Finite . }, . ExprKind::Block(block, _) => block.expr.as_ref().map_or(Finite, |e| is_infinite(cx, e)), . ExprKind::AddrOf(BorrowKind::Ref, _, e) => is_infinite(cx, e), 2 ( 0.00%) ExprKind::Call(path, _) => { 6 ( 0.00%) if let ExprKind::Path(ref qpath) = path.kind { 12 ( 0.00%) cx.qpath_res(qpath, path.hir_id) 156 ( 0.00%) => ???:::qpath_res (2x) . .opt_def_id() 6 ( 0.00%) .is_some_and(|id| cx.tcx.is_diagnostic_item(sym::iter_repeat, id)) 180 ( 0.00%) => ???:::is_diagnostic_item (2x) . .into() . } else { . Finite . } . }, 4 ( 0.00%) ExprKind::Struct(..) => higher::Range::hir(cx, expr).is_some_and(|r| r.end.is_none()).into(), 882 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (2x) . _ => Finite, . } 2,191 ( 0.00%) } . . /// the names and argument lengths of methods that *may* exhaust their . /// iterators . const POSSIBLY_COMPLETING_METHODS: [(Symbol, usize); 6] = [ . (sym::find, 1), . (sym::rfind, 1), . (sym::position, 1), . (sym::rposition, 1), -- line 192 ---------------------------------------- -- line 207 ---------------------------------------- . (sym::min, 0), . (sym::min_by, 1), . (sym::min_by_key, 1), . (sym::sum, 0), . (sym::product, 0), . ]; . . fn complete_infinite_iter(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness { 259,733 ( 0.00%) match expr.kind { 4,782 ( 0.00%) ExprKind::MethodCall(method, receiver, args, _) => { 1,594 ( 0.00%) let method_str = method.ident.name; . for &(name, len) in &COMPLETING_METHODS { 34,956 ( 0.00%) if method_str == name && args.len() == len { . return is_infinite(cx, receiver); . } . } . for &(name, len) in &POSSIBLY_COMPLETING_METHODS { 10,695 ( 0.00%) if method_str == name && args.len() == len { 24 ( 0.00%) return MaybeInfinite.and(is_infinite(cx, receiver)); 1,764 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/infinite_iter.rs:clippy_lints::infinite_iter::is_infinite (12x) . } . } 3,152 ( 0.00%) if method.ident.name == sym::last && args.is_empty() { 18 ( 0.00%) let not_double_ended = cx . .tcx 18 ( 0.00%) .get_diagnostic_item(sym::DoubleEndedIterator) 648 ( 0.00%) => ???:::get_diagnostic_item (9x) 90 ( 0.00%) .is_some_and(|id| !implements_trait(cx, cx.typeck_results().expr_ty(receiver), id, &[])); 19,409 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::implements_trait (9x) 360 ( 0.00%) => ???:::expr_ty (9x) 18 ( 0.00%) if not_double_ended { . return is_infinite(cx, receiver); . } 1,567 ( 0.00%) } else if method.ident.name == sym::collect { 64 ( 0.00%) let ty = cx.typeck_results().expr_ty(expr); 1,280 ( 0.00%) => ???:::expr_ty (32x) 137 ( 0.00%) if matches!( . ty.opt_diag_name(cx), . Some( . sym::BinaryHeap . | sym::BTreeMap . | sym::BTreeSet . | sym::HashMap . | sym::HashSet . | sym::LinkedList -- line 246 ---------------------------------------- -- line 247 ---------------------------------------- . | sym::Vec . | sym::VecDeque, . ) . ) { . return is_infinite(cx, receiver); . } . } . }, 226 ( 0.00%) ExprKind::Binary(op, l, r) if op.node.is_comparison() => { 678 ( 0.00%) return is_infinite(cx, l).and(is_infinite(cx, r)).and(MaybeInfinite); 8,466 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/infinite_iter.rs:clippy_lints::infinite_iter::is_infinite (226x) . }, // TODO: ExprKind::Loop + Match . _ => (), . } . Finite . } 16,720 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/byte_char_slices.rs -------------------------------------------------------------------------------- Ir -- line 32 ---------------------------------------- . pub BYTE_CHAR_SLICES, . style, . "hard to read byte char slice" . } . . declare_lint_pass!(ByteCharSlice => [BYTE_CHAR_SLICES]); . . impl<'tcx> LateLintPass<'tcx> for ByteCharSlice { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 104,090 ( 0.00%) if !expr.span.from_expansion() . && let Some((has_ref, slice)) = is_byte_char_slices(cx, expr) . { . span_lint_and_then( . cx, . BYTE_CHAR_SLICES, . expr.span, . "can be more succinctly written as a byte str", . |diag| { -- line 49 ---------------------------------------- -- line 64 ---------------------------------------- . if !has_ref && !cx.typeck_results().expr_ty_adjusted(expr).is_array_slice() { . sugg = sugg.deref(); . } . . diag.span_suggestion(expr.span, "try", sugg, app); . }, . ); . } 416,360 ( 0.01%) } . } . . /// Checks whether the slice is that of byte chars, and if so, builds a byte-string out of it . fn is_byte_char_slices<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Option<(bool, Vec)> { 33,176 ( 0.00%) let (has_ref, expr) = if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner) = expr.kind { . (true, inner) 48,460 ( 0.00%) } else if let Some(parent) = get_parent_expr(cx, expr) // Already checked by the parent expr. 959,508 ( 0.02%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (9,692x) 17,188 ( 0.00%) && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, _) = parent.kind . { . return None; . } else { . (false, expr) . }; . 20,772 ( 0.00%) if let ExprKind::Array(members) = expr.kind 6 ( 0.00%) && !members.is_empty() 3 ( 0.00%) && !span_contains_comment(cx, expr.span) 15 ( 0.00%) && !span_contains_cfg(cx, expr.span) 2,948 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/attrs.rs:clippy_utils::attrs::span_contains_cfg (3x) . { . return members . .iter() . .try_fold(Vec::new(), |mut acc, member| { 6 ( 0.00%) if let ExprKind::Lit(lit) = member.kind . && let LitKind::Byte(_) = lit.node . && expr.span.eq_ctxt(member.span) . { . acc.push(lit.span); . return Some(acc); . } . None . }) -- line 103 ---------------------------------------- 37,109 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/reserve_after_initialization.rs -------------------------------------------------------------------------------- Ir -- line 29 ---------------------------------------- . #[clippy::version = "1.74.0"] . pub RESERVE_AFTER_INITIALIZATION, . complexity, . "`reserve` called immediately after `Vec` creation" . } . . impl_lint_pass!(ReserveAfterInitialization => [RESERVE_AFTER_INITIALIZATION]); . 1 ( 0.00%) #[derive(Default)] . pub struct ReserveAfterInitialization { . searcher: Option, . } . . struct VecReserveSearcher { . local_id: HirId, . err_span: Span, . init_part: String, -- line 45 ---------------------------------------- -- line 62 ---------------------------------------- . s, . Applicability::HasPlaceholders, . ); . } . } . . impl<'tcx> LateLintPass<'tcx> for ReserveAfterInitialization { . fn check_block(&mut self, _: &LateContext<'tcx>, _: &'tcx Block<'tcx>) { 2,474 ( 0.00%) self.searcher = None; . } . 12,912 ( 0.00%) fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx LetStmt<'tcx>) { 6,456 ( 0.00%) if let Some(init_expr) = local.init 17,446 ( 0.00%) && let PatKind::Binding(BindingMode::MUT, id, _, None) = local.pat.kind 3,210 ( 0.00%) && !local.span.in_external_macro(cx.sess().source_map()) 648 ( 0.00%) && let Some(init) = get_vec_init_kind(cx, init_expr) 9,243 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::get_vec_init_kind (108x) . && !matches!( . init, . VecInitKind::WithExprCapacity(_) | VecInitKind::WithConstCapacity(_) . ) . { . self.searcher = Some(VecReserveSearcher { . local_id: id, . err_span: local.span, -- line 85 ---------------------------------------- -- line 90 ---------------------------------------- . .shrink_to_lo() . .to(init_expr.span.source_callsite().shrink_to_lo()), . "..", . ) . .into_owned(), . space_hint: String::new(), . }); . } 15,064 ( 0.00%) } . 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,135 ( 0.00%) if self.searcher.is_none() 40 ( 0.00%) && let ExprKind::Assign(left, right, _) = expr.kind 185 ( 0.00%) && let ExprKind::Path(QPath::Resolved(None, path)) = left.kind 63 ( 0.00%) && let Res::Local(id) = path.res 63 ( 0.00%) && !expr.span.in_external_macro(cx.sess().source_map()) 126 ( 0.00%) && let Some(init) = get_vec_init_kind(cx, right) 1,076 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::get_vec_init_kind (21x) . && !matches!( . init, . VecInitKind::WithExprCapacity(_) | VecInitKind::WithConstCapacity(_) . ) . { . self.searcher = Some(VecReserveSearcher { . local_id: id, . err_span: expr.span, -- line 114 ---------------------------------------- -- line 116 ---------------------------------------- . cx, . left.span.shrink_to_lo().to(right.span.source_callsite().shrink_to_lo()), . "..", . ) . .into_owned(), // see `assign_expression` test . space_hint: String::new(), . }); . } 416,360 ( 0.01%) } . 70,868 ( 0.00%) fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { 20,248 ( 0.00%) if let Some(searcher) = self.searcher.take() { . if let StmtKind::Expr(expr) | StmtKind::Semi(expr) = stmt.kind . && let ExprKind::MethodCall(name, self_arg, [space_hint], _) = expr.kind . && self_arg.res_local_id() == Some(searcher.local_id) . && name.ident.name == sym::reserve . && !is_from_proc_macro(cx, expr) . { . self.searcher = Some(VecReserveSearcher { . err_span: searcher.err_span.to(stmt.span), . space_hint: snippet(cx, space_hint.span, "..").into_owned(), . ..searcher . }); . } else { . searcher.display_err(cx); . } . } 80,992 ( 0.00%) } . 9,896 ( 0.00%) fn check_block_post(&mut self, cx: &LateContext<'tcx>, _: &'tcx Block<'tcx>) { 4,948 ( 0.00%) if let Some(searcher) = self.searcher.take() { . searcher.display_err(cx); . } 9,896 ( 0.00%) } . } 2,827 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/transmute/mod.rs -------------------------------------------------------------------------------- Ir -- line 518 ---------------------------------------- . Sugg::NonParen(format!("{}.{}", outer_sugg.maybe_paren(), first.name).into()), . ) . } else { . (outer_type, outer_sugg) . } . } . } . impl<'tcx> LateLintPass<'tcx> for Transmute { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 126,653 ( 0.00%) if let ExprKind::Call(path_expr, [arg]) = e.kind 24,950 ( 0.00%) && let ExprKind::Path(QPath::Resolved(None, path)) = path_expr.kind . && let Some(def_id) = path.res.opt_def_id() 24,521 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::transmute, def_id) 174,084 ( 0.00%) => ???:::is_diagnostic_item (3,503x) . { . // Avoid suggesting non-const operations in const contexts: . // - from/to bits (https://github.com/rust-lang/rust/issues/73736) . // - dereferencing raw pointers (https://github.com/rust-lang/rust/issues/51911) . // - char conversions (https://github.com/rust-lang/rust/issues/89259) . let const_context = is_in_const_context(cx); . . let (from_ty, from_ty_adjusted) = match cx.typeck_results().expr_adjustments(arg) { -- line 538 ---------------------------------------- -- line 563 ---------------------------------------- . | (unsound_collection_transmute::check(cx, e, from_ty, to_ty) . || transmute_undefined_repr::check(cx, e, from_ty, to_ty)) . | (eager_transmute::check(cx, e, arg, from_ty, to_ty)); . . if !linted { . transmutes_expressible_as_ptr_casts::check(cx, e, from_ty, from_ty_adjusted, to_ty, arg, const_context); . } . } 416,360 ( 0.01%) } . } 7,006 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/structural_impls.rs -------------------------------------------------------------------------------- Ir -- line 326 ---------------------------------------- . } . } . . impl<'tcx> TypeFoldable> for Ty<'tcx> { . fn try_fold_with>>( . self, . folder: &mut F, . ) -> Result { 147,376 ( 0.00%) folder.try_fold_ty(self) 149,457 ( 0.00%) => ???:>::try_fold_ty (35x) . } . 185 ( 0.00%) fn fold_with>>(self, folder: &mut F) -> Self { 6,537 ( 0.00%) folder.fold_ty(self) 283,131 ( 0.01%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs: as rustc_type_ir::fold::TypeFolder>::fold_ty (319x) . } . } . . impl<'tcx> TypeVisitable> for Ty<'tcx> { . fn visit_with>>(&self, visitor: &mut V) -> V::Result { 2,690 ( 0.00%) visitor.visit_ty(*self) 1,092 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/methods/useless_asref.rs:>::visit_ty'2 (52x) . } . } . . impl<'tcx> TypeSuperFoldable> for Ty<'tcx> { . fn try_super_fold_with>>( . self, . folder: &mut F, . ) -> Result { -- line 352 ---------------------------------------- -- line 389 ---------------------------------------- . | ty::Placeholder(..) . | ty::Never . | ty::Foreign(..) => return Ok(self), . }; . . Ok(if *self.kind() == kind { self } else { folder.cx().mk_ty_from_kind(kind) }) . } . 13,959 ( 0.00%) fn super_fold_with>>(self, folder: &mut F) -> Self { 9,306 ( 0.00%) let kind = match *self.kind() { . ty::RawPtr(ty, mutbl) => ty::RawPtr(ty.fold_with(folder), mutbl), 406 ( 0.00%) ty::Array(typ, sz) => ty::Array(typ.fold_with(folder), sz.fold_with(folder)), 70 ( 0.00%) ty::Slice(typ) => ty::Slice(typ.fold_with(folder)), 1,634 ( 0.00%) ty::Adt(tid, args) => ty::Adt(tid, args.fold_with(folder)), 744 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/generic_args.rs:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with::> (3x) . ty::Dynamic(trait_ty, region) => { . ty::Dynamic(trait_ty.fold_with(folder), region.fold_with(folder)) . } 450 ( 0.00%) ty::Tuple(ts) => ty::Tuple(ts.fold_with(folder)), 70,732 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/generic_args.rs:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_type_ir::fold::TypeFoldable>::fold_with::> (68x) 21,978 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/generic_args.rs:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_type_ir::fold::TypeFoldable>::fold_with::>'2 (10x) 148 ( 0.00%) ty::FnDef(def_id, args) => ty::FnDef(def_id, args.fold_with(folder)), . ty::FnPtr(sig_tys, hdr) => ty::FnPtr(sig_tys.fold_with(folder), hdr), 37 ( 0.00%) ty::UnsafeBinder(f) => ty::UnsafeBinder(f.fold_with(folder)), 6,909 ( 0.00%) ty::Ref(r, ty, mutbl) => ty::Ref(r.fold_with(folder), ty.fold_with(folder), mutbl), . ty::Coroutine(did, args) => ty::Coroutine(did, args.fold_with(folder)), . ty::CoroutineWitness(did, args) => ty::CoroutineWitness(did, args.fold_with(folder)), . ty::Closure(did, args) => ty::Closure(did, args.fold_with(folder)), . ty::CoroutineClosure(did, args) => ty::CoroutineClosure(did, args.fold_with(folder)), 27 ( 0.00%) ty::Alias(is_rigid, data) => ty::Alias(is_rigid, data.fold_with(folder)), . ty::Pat(ty, pat) => ty::Pat(ty.fold_with(folder), pat.fold_with(folder)), . . ty::Bool . | ty::Char . | ty::Str . | ty::Int(_) . | ty::Uint(_) . | ty::Float(_) -- line 423 ---------------------------------------- -- line 425 ---------------------------------------- . | ty::Infer(_) . | ty::Param(..) . | ty::Bound(..) . | ty::Placeholder(..) . | ty::Never . | ty::Foreign(..) => return self, . }; . 13,929 ( 0.00%) if *self.kind() == kind { self } else { folder.cx().mk_ty_from_kind(kind) } 945 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs: as core::cmp::PartialEq>::eq (40x) 13,959 ( 0.00%) } . } . . impl<'tcx> TypeSuperVisitable> for Ty<'tcx> { . fn super_visit_with>>(&self, visitor: &mut V) -> V::Result { 208 ( 0.00%) match self.kind() { . ty::RawPtr(ty, _mutbl) => ty.visit_with(visitor), . ty::Array(typ, sz) => { . try_visit!(typ.visit_with(visitor)); . sz.visit_with(visitor) . } . ty::Slice(typ) => typ.visit_with(visitor), 52 ( 0.00%) ty::Adt(_, args) => args.visit_with(visitor), . ty::Dynamic(trait_ty, reg) => { . try_visit!(trait_ty.visit_with(visitor)); . reg.visit_with(visitor) . } . ty::Tuple(ts) => ts.visit_with(visitor), . ty::FnDef(_, args) => args.visit_with(visitor), . ty::FnPtr(sig_tys, _) => sig_tys.visit_with(visitor), . ty::UnsafeBinder(f) => f.visit_with(visitor), -- line 454 ---------------------------------------- 4,440 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs -------------------------------------------------------------------------------- Ir -- line 565 ---------------------------------------- . ub_checks::maybe_is_aligned_and_not_null(src, align, zero_size) . && ub_checks::maybe_is_aligned_and_not_null(dst, align, zero_size) . && ub_checks::maybe_is_nonoverlapping(src, dst, size, count) . } . ); . . // SAFETY: the safety contract for `copy_nonoverlapping` must be . // upheld by the caller. 87,661 ( 0.00%) unsafe { crate::intrinsics::copy_nonoverlapping(src, dst, count) } 2,715 ( 0.00%) => ???:0x0000000000173dc0 (201x) . } . . /// Copies `count * size_of::()` bytes from `src` to `dst`. The source . /// and destination may overlap. . /// . /// If the source and destination will *never* overlap, . /// [`copy_nonoverlapping`] can be used instead. . /// -- line 581 ---------------------------------------- -- line 656 ---------------------------------------- . src: *const () = src as *const (), . dst: *mut () = dst as *mut (), . align: usize = align_of::(), . zero_size: bool = T::IS_ZST || count == 0, . ) => . ub_checks::maybe_is_aligned_and_not_null(src, align, zero_size) . && ub_checks::maybe_is_aligned_and_not_null(dst, align, zero_size) . ); 2,173 ( 0.00%) crate::intrinsics::copy(src, dst, count) 513 ( 0.00%) => ???:0x0000000000173dc0 (18x) . } . } . . /// Sets `count * size_of::()` bytes of memory starting at `dst` to . /// `val`. . /// . /// `write_bytes` is similar to C's [`memset`], but sets `count * . /// size_of::()` bytes to `val`. -- line 672 ---------------------------------------- -- line 727 ---------------------------------------- . check_language_ub, . "ptr::write_bytes requires that the destination pointer is aligned and non-null", . ( . addr: *const () = dst as *const (), . align: usize = align_of::(), . zero_size: bool = T::IS_ZST || count == 0, . ) => ub_checks::maybe_is_aligned_and_not_null(addr, align, zero_size) . ); 2,763 ( 0.00%) crate::intrinsics::write_bytes(dst, val, count) 44 ( 0.00%) => ???:0x00000000001747c0 (4x) . } . } . . /// Executes the destructor (if any) of the pointed-to value. . /// . /// This is almost the same as calling [`ptr::read`] and discarding . /// the result, but has the following advantages: . // FIXME: say something more useful than "almost the same"? -- line 743 ---------------------------------------- -- line 834 ---------------------------------------- . // Due to historic reasons, `drop_in_place` takes a pointer rather than a reference, . // which results in worse codegen since we don't apply noalias/dereferenceable llvm . // attributes to pointer arguments. To workaround this without breaking public . // interface, `drop_in_place` calls the lang item, rather than being one directly. . . // SAFETY: . // - compiler glue has the same safety requirements as this function . // - the pointer must be valid as per the safety requirement of this function 29 ( 0.00%) unsafe { drop_glue(&mut *to_drop) } 813 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue::<[serde_spanned::spanned::Spanned]> (11x) . } . . /// Helper function for `drop_in_place`. The compiler replaces this by the actual drop glue. . #[lang = "drop_glue"] 2,839,454 ( 0.05%) pub(crate) const unsafe fn drop_glue(_: &mut T) 406 ( 0.00%) => /rust/deps/smallvec-1.15.1/src/lib.rs: as core::ops::drop::Drop>::drop (29x) . where . T: [const] Destruct, . { . // Code here does not matter - this is replaced by the . // real drop glue by the compiler. . } . . /// Creates a null raw pointer. -- line 855 ---------------------------------------- -- line 1464 ---------------------------------------- . i += 1; . } . } . . // Don't let MIR inline this, because we really want it to keep its noalias metadata . #[rustc_no_mir_inline] . #[inline] . fn swap_chunk(x: &mut MaybeUninit<[u8; N]>, y: &mut MaybeUninit<[u8; N]>) { 1,222 ( 0.00%) let a = *x; . let b = *y; 3,161 ( 0.00%) *x = b; . *y = a; . } . . #[inline] . unsafe fn swap_nonoverlapping_bytes(x: *mut u8, y: *mut u8, bytes: NonZero) { . // Same as `swap_nonoverlapping::<[u8; N]>`. . unsafe fn swap_nonoverlapping_chunks( . x: *mut MaybeUninit<[u8; N]>, -- line 1482 ---------------------------------------- -- line 1747 ---------------------------------------- . check_language_ub, . "ptr::read requires that the pointer argument is aligned and non-null", . ( . addr: *const () = src as *const (), . align: usize = align_of::(), . is_zst: bool = T::IS_ZST, . ) => ub_checks::maybe_is_aligned_and_not_null(addr, align, is_zst) . ); 21,829 ( 0.00%) crate::intrinsics::read_via_copy(src) . } . } . . /// Reads the value from `src` without moving it. This leaves the . /// memory in `src` unchanged. . /// . /// Unlike [`read`], `read_unaligned` works with unaligned pointers. . /// -- line 1763 ---------------------------------------- -- line 1955 ---------------------------------------- . check_language_ub, . "ptr::write requires that the pointer argument is aligned and non-null", . ( . addr: *mut () = dst as *mut (), . align: usize = align_of::(), . is_zst: bool = T::IS_ZST, . ) => ub_checks::maybe_is_aligned_and_not_null(addr, align, is_zst) . ); 90,248 ( 0.00%) intrinsics::write_via_move(dst, src) 247 ( 0.00%) => ???:0x0000000000173dc0 (19x) . } . } . . /// Overwrites a memory location with the given value without reading or . /// dropping the old value. . /// . /// Unlike [`write()`], the pointer may be unaligned. . /// -- line 1971 ---------------------------------------- -- line 2500 ---------------------------------------- . /// assert!(!std::ptr::eq(&a[0..2], &a[1..3])); . /// ``` . #[stable(feature = "ptr_eq", since = "1.17.0")] . #[inline(always)] . #[must_use = "pointer comparison produces a value"] . #[rustc_diagnostic_item = "ptr_eq"] . #[allow(ambiguous_wide_pointer_comparisons)] // it's actually clear here . pub fn eq(a: *const T, b: *const T) -> bool { 45,534 ( 0.00%) a == b . } . . /// Compares the *addresses* of the two pointers for equality, . /// ignoring any metadata in fat pointers. . /// . /// If the arguments are thin pointers of the same type, . /// then this is the same as [`eq`]. . /// -- line 2516 ---------------------------------------- -- line 2524 ---------------------------------------- . /// . /// assert!(ptr::addr_eq(whole, first)); . /// assert!(!ptr::eq::(whole, first)); . /// ``` . #[stable(feature = "ptr_addr_eq", since = "1.76.0")] . #[inline(always)] . #[must_use = "pointer comparison produces a value"] . pub fn addr_eq(p: *const T, q: *const U) -> bool { 5,455 ( 0.00%) (p as *const ()) == (q as *const ()) . } . . /// Compares the *addresses* of the two function pointers for equality. . /// . /// This is the same as `f == g`, but using this function makes clear that the potentially . /// surprising semantics of function pointer comparison are involved. . /// . /// There are **very few guarantees** about how functions are compiled and they have no intrinsic -- line 2540 ---------------------------------------- 31,951 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/entry.rs -------------------------------------------------------------------------------- Ir -- line 58 ---------------------------------------- . perf, . "use of `contains_key` followed by `insert` on a `HashMap` or `BTreeMap`" . } . . declare_lint_pass!(HashMapPass => [MAP_ENTRY]); . . impl<'tcx> LateLintPass<'tcx> for HashMapPass { . #[expect(clippy::too_many_lines)] 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,090 ( 0.00%) if expr.span.from_expansion() { . return; . } . . let Some(higher::If { . cond: cond_expr, . then: then_expr, . r#else: else_expr, . }) = higher::If::hir(expr) -- line 75 ---------------------------------------- -- line 123 ---------------------------------------- . ), . }; . Some(format!( . "if let {}::{entry_kind} = {map_str}.entry({key_str}) {then_str} else {else_str}", . map_ty.entry_path(), . )) . } else { . // if .. { insert } else { insert } 48 ( 0.00%) let ((then_str, then_entry), (else_str, else_entry)) = if contains_expr.negated { . ( . then_search.snippet_vacant(cx, then_expr.span, &mut app), . else_search.snippet_occupied(cx, else_expr.span, &mut app), . ) . } else { . ( . then_search.snippet_occupied(cx, then_expr.span, &mut app), . else_search.snippet_vacant(cx, else_expr.span, &mut app), -- line 139 ---------------------------------------- -- line 205 ---------------------------------------- . lint_msg, . None, . format!( . "consider using the `Entry` API: https://doc.rust-lang.org/std/collections/struct.{}.html#entry-api", . map_ty.name() . ), . ); . } 416,360 ( 0.01%) } . } . . #[derive(Clone, Copy)] . enum MapType { . Hash, . BTree, . } . impl MapType { -- line 221 ---------------------------------------- -- line 255 ---------------------------------------- . } . . /// Inspect the given expression and return details about the `contains_key` check. . /// . /// If the given expression is not a `contains_key` check against a `BTreeMap` or a `HashMap`, . /// return `None`. . fn try_parse_contains<'tcx>(cx: &LateContext<'_>, expr: &'tcx Expr<'_>) -> Option<(MapType, ContainsExpr<'tcx>)> { . let mut negated = false; 653 ( 0.00%) let expr = peel_hir_expr_while(expr, |e| match e.kind { 16 ( 0.00%) ExprKind::Unary(UnOp::Not, e) => { . negated = !negated; . Some(e) . }, . _ => None, . }); . 532 ( 0.00%) if let ExprKind::MethodCall(_, map, [arg], _) = expr.kind 26 ( 0.00%) && let Expr { . kind: ExprKind::AddrOf(_, _, key), . span: key_span, . .. . } = arg 2 ( 0.00%) && key_span.eq_ctxt(expr.span) . { 4 ( 0.00%) let id = cx.typeck_results().type_dependent_def_id(expr.hir_id)?; 51 ( 0.00%) => ???:::type_dependent_def_id (1x) . let expr = ContainsExpr { . negated, . map, 1 ( 0.00%) key, 1 ( 0.00%) call_ctxt: expr.span.ctxt(), . }; 7 ( 0.00%) match cx.tcx.get_diagnostic_name(id) { 70 ( 0.00%) => ???:::get_diagnostic_name (1x) . Some(sym::btreemap_contains_key) => Some((MapType::BTree, expr)), . Some(sym::hashmap_contains_key) => Some((MapType::Hash, expr)), . _ => None, . } . } else { . None . } . } -- line 294 ---------------------------------------- 233 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/repeat_vec_with_capacity.rs -------------------------------------------------------------------------------- Ir -- line 72 ---------------------------------------- . diag.note(note); . diag.span_suggestion_verbose(span, sugg_msg, sugg, Applicability::MaybeIncorrect); . }, . ); . } . . /// Checks `vec![Vec::with_capacity(x); n]` . fn check_vec_macro(cx: &LateContext<'_>, expr: &Expr<'_>) { 156,135 ( 0.00%) if let Some(VecArgs::Repeat(repeat_expr, len_expr)) = VecArgs::hir(cx, expr) 11,045,246 ( 0.20%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (52,045x) . && matching_root_macro_call(cx, expr.span, sym::vec_macro).is_some() . && fn_def_id(cx, repeat_expr).is_some_and(|did| cx.tcx.is_diagnostic_item(sym::vec_with_capacity, did)) . && !len_expr.span.from_expansion() . && let Some(Constant::Int(2..)) = ConstEvalCtxt::new(cx).eval(expr_or_init(cx, len_expr)) . { . emit_lint( . cx, . expr.span.source_callsite(), -- line 88 ---------------------------------------- -- line 95 ---------------------------------------- . snippet(cx, repeat_expr.span, "..") . ), . ); . } . } . . /// Checks `iter::repeat(Vec::with_capacity(x))` . fn check_repeat_fn(cx: &LateContext<'_>, expr: &Expr<'_>, msrv: Msrv) { 104,090 ( 0.00%) if !expr.span.from_expansion() 47,053 ( 0.00%) && fn_def_id(cx, expr).is_some_and(|did| cx.tcx.is_diagnostic_item(sym::iter_repeat, did)) 565,665 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::fn_def_id (10,167x) 124,074 ( 0.00%) => ???:::is_diagnostic_item (2,069x) . && let ExprKind::Call(_, [repeat_expr]) = expr.kind . && fn_def_id(cx, repeat_expr).is_some_and(|did| cx.tcx.is_diagnostic_item(sym::vec_with_capacity, did)) . && !repeat_expr.span.from_expansion() . && let Some(exec_context) = std_or_core(cx) . && msrv.meets(cx, msrvs::REPEAT_WITH) . { . emit_lint( . cx, -- line 112 ---------------------------------------- -- line 118 ---------------------------------------- . "{exec_context}::iter::repeat_with(|| {})", . snippet(cx, repeat_expr.span, "..") . ), . ); . } . } . . impl LateLintPass<'_> for RepeatVecWithCapacity { 572,495 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { . check_vec_macro(cx, expr); 52,045 ( 0.00%) check_repeat_fn(cx, expr, self.msrv); 416,360 ( 0.01%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs -------------------------------------------------------------------------------- Ir -- line 81 ---------------------------------------- . Method(Ident, &'a FnSig<'a>), . . /// `|x, y| {}` . Closure, . } . . impl<'a> FnKind<'a> { . pub fn header(&self) -> Option<&FnHeader> { 3,499 ( 0.00%) match *self { 432 ( 0.00%) FnKind::ItemFn(_, _, ref header) => Some(header), 514 ( 0.00%) FnKind::Method(_, ref sig) => Some(&sig.header), . FnKind::Closure => None, . } . } . . pub fn constness(self) -> Constness { . self.header().map_or(Constness::NotConst, |header| header.constness) . } . -- line 99 ---------------------------------------- -- line 252 ---------------------------------------- . Self::Result::output() . } . . /// Like `visit_nested_item()`, but for impl items. See . /// `visit_nested_item()` for advice on when to override this . /// method. . fn visit_nested_impl_item(&mut self, id: ImplItemId) -> Self::Result { . if Self::NestedFilter::INTER { 536 ( 0.00%) let item = self.maybe_tcx().hir_impl_item(id); 7,102 ( 0.00%) => ???:::hir_impl_item (134x) . try_visit!(self.visit_impl_item(item)); . } . Self::Result::output() . } . . /// Like `visit_nested_item()`, but for foreign items. See . /// `visit_nested_item()` for advice on when to override this . /// method. -- line 268 ---------------------------------------- -- line 274 ---------------------------------------- . Self::Result::output() . } . . /// Invoked to visit the body of a function, method or closure. Like . /// `visit_nested_item`, does nothing by default unless you override . /// `Self::NestedFilter`. . fn visit_nested_body(&mut self, id: BodyId) -> Self::Result { . if Self::NestedFilter::INTRA { 7,489 ( 0.00%) let body = self.maybe_tcx().hir_body(id); 9,856 ( 0.00%) => ???:::hir_body (127x) . try_visit!(self.visit_body(body)); . } . Self::Result::output() . } . . fn visit_param(&mut self, param: &'v Param<'v>) -> Self::Result { . walk_param(self, param) . } -- line 290 ---------------------------------------- -- line 311 ---------------------------------------- . walk_ident(self, ident) . } . fn visit_mod(&mut self, m: &'v Mod<'v>, _s: Span, _n: HirId) -> Self::Result { . walk_mod(self, m) . } . fn visit_foreign_item(&mut self, i: &'v ForeignItem<'v>) -> Self::Result { . walk_foreign_item(self, i) . } 7 ( 0.00%) fn visit_local(&mut self, l: &'v LetStmt<'v>) -> Self::Result { 34,539 ( 0.00%) walk_local(self, l) 11,558 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_local::> (18x) 6 ( 0.00%) } 1,942 ( 0.00%) fn visit_block(&mut self, b: &'v Block<'v>) -> Self::Result { 79,463 ( 0.00%) walk_block(self, b) 248 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_block::> (1x) 552 ( 0.00%) } 12 ( 0.00%) fn visit_stmt(&mut self, s: &'v Stmt<'v>) -> Self::Result { 50,660 ( 0.00%) walk_stmt(self, s) 1,012,395 ( 0.02%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_stmt::::check::{closure#0}>> (632x) 12 ( 0.00%) } . fn visit_arm(&mut self, a: &'v Arm<'v>) -> Self::Result { 4,823 ( 0.00%) walk_arm(self, a) 1,340 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_arm::> (10x) . } . fn visit_pat(&mut self, p: &'v Pat<'v>) -> Self::Result { 44,317 ( 0.00%) walk_pat(self, p) 264 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_pat:: (8x) . } . fn visit_pat_field(&mut self, f: &'v PatField<'v>) -> Self::Result { . walk_pat_field(self, f) . } . fn visit_pat_expr(&mut self, expr: &'v PatExpr<'v>) -> Self::Result { . walk_pat_expr(self, expr) . } . fn visit_lit(&mut self, _hir_id: HirId, _lit: Lit, _is_negated_pat: bool) -> Self::Result { -- line 340 ---------------------------------------- -- line 343 ---------------------------------------- . fn visit_anon_const(&mut self, c: &'v AnonConst) -> Self::Result { . walk_anon_const(self, c) . } . fn visit_inline_const(&mut self, c: &'v ConstBlock) -> Self::Result { . walk_inline_const(self, c) . } . . fn visit_generic_arg(&mut self, generic_arg: &'v GenericArg<'v>) -> Self::Result { 137 ( 0.00%) walk_generic_arg(self, generic_arg) 566 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_generic_arg::> (7x) . } . . /// All types are treated as ambiguous types for the purposes of hir visiting in . /// order to ensure that visitors can handle infer vars without it being too error-prone. . /// . /// The [`Visitor::visit_infer`] method should be overridden in order to handle infer vars. . fn visit_ty(&mut self, t: &'v Ty<'v, AmbigArg>) -> Self::Result { 30,800 ( 0.00%) walk_ty(self, t) 594 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_ty::> (9x) . } . . fn visit_const_item_rhs(&mut self, c: ConstItemRhs<'v>) -> Self::Result { . walk_const_item_rhs(self, c) . } . . /// All consts are treated as ambiguous consts for the purposes of hir visiting in . /// order to ensure that visitors can handle infer vars without it being too error-prone. . /// . /// The [`Visitor::visit_infer`] method should be overridden in order to handle infer vars. . fn visit_const_arg(&mut self, c: &'v ConstArg<'v, AmbigArg>) -> Self::Result { 5 ( 0.00%) walk_const_arg(self, c) . } . . #[allow(unused_variables)] . fn visit_infer(&mut self, inf_id: HirId, inf_span: Span, kind: InferKind<'v>) -> Self::Result { . self.visit_id(inf_id) . } . . fn visit_lifetime(&mut self, lifetime: &'v Lifetime) -> Self::Result { . walk_lifetime(self, lifetime) . } . . fn visit_expr(&mut self, ex: &'v Expr<'v>) -> Self::Result { 202,109 ( 0.00%) walk_expr(self, ex) 2,580 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr:: (9x) . } . fn visit_expr_field(&mut self, field: &'v ExprField<'v>) -> Self::Result { . walk_expr_field(self, field) . } . fn visit_const_arg_expr_field(&mut self, field: &'v ConstArgExprField<'v>) -> Self::Result { . walk_const_arg_expr_field(self, field) . } . fn visit_pattern_type_pattern(&mut self, p: &'v TyPat<'v>) -> Self::Result { -- line 392 ---------------------------------------- -- line 394 ---------------------------------------- . } . fn visit_generic_param(&mut self, p: &'v GenericParam<'v>) -> Self::Result { . walk_generic_param(self, p) . } . fn visit_const_param_default(&mut self, _param: HirId, ct: &'v ConstArg<'v>) -> Self::Result { . walk_const_param_default(self, ct) . } . fn visit_generics(&mut self, g: &'v Generics<'v>) -> Self::Result { 802 ( 0.00%) walk_generics(self, g) 5,837 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_generics:: (100x) . } . fn visit_where_predicate(&mut self, predicate: &'v WherePredicate<'v>) -> Self::Result { 6 ( 0.00%) walk_where_predicate(self, predicate) 1,051 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_where_predicate:: (3x) . } . fn visit_fn_ret_ty(&mut self, ret_ty: &'v FnRetTy<'v>) -> Self::Result { . walk_fn_ret_ty(self, ret_ty) . } . fn visit_fn_decl(&mut self, fd: &'v FnDecl<'v>) -> Self::Result { 614 ( 0.00%) walk_fn_decl(self, fd) 27,412 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_fn_decl:: (100x) . } . fn visit_fn( . &mut self, . fk: FnKind<'v>, . fd: &'v FnDecl<'v>, . b: BodyId, . _: Span, . id: LocalDefId, . ) -> Self::Result { 1,172 ( 0.00%) walk_fn(self, fk, fd, b, id) 357,225 ( 0.01%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_fn::> (134x) 5 ( 0.00%) } . fn visit_use(&mut self, path: &'v UsePath<'v>, hir_id: HirId) -> Self::Result { . walk_use(self, path, hir_id) . } . fn visit_trait_item(&mut self, ti: &'v TraitItem<'v>) -> Self::Result { . walk_trait_item(self, ti) . } . fn visit_trait_item_ref(&mut self, ii: &'v TraitItemId) -> Self::Result { . walk_trait_item_ref(self, *ii) . } . fn visit_impl_item(&mut self, ii: &'v ImplItem<'v>) -> Self::Result { 402 ( 0.00%) walk_impl_item(self, ii) 366,488 ( 0.01%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_impl_item::> (134x) . } . fn visit_foreign_item_ref(&mut self, ii: &'v ForeignItemId) -> Self::Result { . walk_foreign_item_ref(self, *ii) . } . fn visit_impl_item_ref(&mut self, ii: &'v ImplItemId) -> Self::Result { . walk_impl_item_ref(self, *ii) . } . fn visit_trait_ref(&mut self, t: &'v TraitRef<'v>) -> Self::Result { . walk_trait_ref(self, t) . } . fn visit_param_bound(&mut self, bounds: &'v GenericBound<'v>) -> Self::Result { 30 ( 0.00%) walk_param_bound(self, bounds) 1,335 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_param_bound::> (9x) 3 ( 0.00%) } . fn visit_precise_capturing_arg(&mut self, arg: &'v PreciseCapturingArg<'v>) -> Self::Result { . walk_precise_capturing_arg(self, arg) . } . fn visit_poly_trait_ref(&mut self, t: &'v PolyTraitRef<'v>) -> Self::Result { 36 ( 0.00%) walk_poly_trait_ref(self, t) 1,222 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_poly_trait_ref:: (9x) . } . fn visit_opaque_ty(&mut self, opaque: &'v OpaqueTy<'v>) -> Self::Result { . walk_opaque_ty(self, opaque) . } . fn visit_variant_data(&mut self, s: &'v VariantData<'v>) -> Self::Result { . walk_struct_def(self, s) . } . fn visit_field_def(&mut self, s: &'v FieldDef<'v>) -> Self::Result { -- line 459 ---------------------------------------- -- line 464 ---------------------------------------- . } . fn visit_variant(&mut self, v: &'v Variant<'v>) -> Self::Result { . walk_variant(self, v) . } . fn visit_label(&mut self, label: &'v Label) -> Self::Result { . walk_label(self, label) . } . // The span is that of the surrounding type/pattern/expr/whatever. 168,329 ( 0.00%) fn visit_qpath(&mut self, qpath: &'v QPath<'v>, id: HirId, _span: Span) -> Self::Result { 744,963 ( 0.01%) walk_qpath(self, qpath, id) 48 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_qpath:: (1x) 144,282 ( 0.00%) } . fn visit_path(&mut self, path: &Path<'v>, _id: HirId) -> Self::Result { 18,279 ( 0.00%) walk_path(self, path) 3,931 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_path:: (65x) . } . fn visit_path_segment(&mut self, path_segment: &'v PathSegment<'v>) -> Self::Result { 2,236 ( 0.00%) walk_path_segment(self, path_segment) 19,705 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_path_segment:: (351x) 39 ( 0.00%) } 248 ( 0.00%) fn visit_generic_args(&mut self, generic_args: &'v GenericArgs<'v>) -> Self::Result { 79 ( 0.00%) walk_generic_args(self, generic_args) 2,033 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_generic_args:: (24x) 224 ( 0.00%) } 18 ( 0.00%) fn visit_assoc_item_constraint( . &mut self, . constraint: &'v AssocItemConstraint<'v>, . ) -> Self::Result { 11 ( 0.00%) walk_assoc_item_constraint(self, constraint) 70 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_assoc_item_constraint:: (1x) . } . fn visit_attribute(&mut self, _attr: &'v Attribute) -> Self::Result { . Self::Result::output() . } . fn visit_defaultness(&mut self, defaultness: &'v Defaultness) -> Self::Result { . walk_defaultness(self, defaultness) . } . fn visit_inline_asm(&mut self, asm: &'v InlineAsm<'v>, id: HirId) -> Self::Result { -- line 496 ---------------------------------------- -- line 516 ---------------------------------------- . walk_unambig_const_arg(self, c) . } . } . impl<'v, V: Visitor<'v>> VisitorExt<'v> for V {} . . pub fn walk_param<'v, V: Visitor<'v>>(visitor: &mut V, param: &'v Param<'v>) -> V::Result { . let Param { hir_id, pat, ty_span: _, span: _ } = param; . try_visit!(visitor.visit_id(*hir_id)); 2,466 ( 0.00%) visitor.visit_pat(pat) . } . 1,104 ( 0.00%) pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) -> V::Result { . let Item { owner_id: _, kind, span: _, vis_span: _, eii: _ } = item; . try_visit!(visitor.visit_id(item.hir_id())); 690 ( 0.00%) match *kind { . ItemKind::ExternCrate(orig_name, ident) => { . visit_opt!(visitor, visit_name, orig_name); . try_visit!(visitor.visit_ident(ident)); . } . ItemKind::Use(ref path, kind) => { . try_visit!(visitor.visit_use(path, item.hir_id())); . match kind { . UseKind::Single(ident) => try_visit!(visitor.visit_ident(ident)), -- line 538 ---------------------------------------- -- line 545 ---------------------------------------- . try_visit!(visitor.visit_nested_body(body)); . } . ItemKind::Const(ident, ref generics, ref typ, rhs) => { . try_visit!(visitor.visit_ident(ident)); . try_visit!(visitor.visit_generics(generics)); . try_visit!(visitor.visit_ty_unambig(typ)); . try_visit!(visitor.visit_const_item_rhs(rhs)); . } 552 ( 0.00%) ItemKind::Fn { ident, sig, generics, body: body_id, .. } => { . try_visit!(visitor.visit_ident(ident)); . try_visit!(visitor.visit_fn( . FnKind::ItemFn(ident, generics, sig.header), . sig.decl, . body_id, . item.span, . item.owner_id.def_id, . )); -- line 561 ---------------------------------------- -- line 628 ---------------------------------------- . } . ItemKind::TraitAlias(_constness, ident, ref generics, bounds) => { . try_visit!(visitor.visit_ident(ident)); . try_visit!(visitor.visit_generics(generics)); . walk_list!(visitor, visit_param_bound, bounds); . } . } . V::Result::output() 1,104 ( 0.00%) } . . pub fn walk_body<'v, V: Visitor<'v>>(visitor: &mut V, body: &Body<'v>) -> V::Result { . let Body { params, value } = body; 1,815 ( 0.00%) walk_list!(visitor, visit_param, *params); 2,468 ( 0.00%) visitor.visit_expr(*value) 5,168,400 ( 0.10%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:::visit_expr (413x) . } . . pub fn walk_ident<'v, V: Visitor<'v>>(visitor: &mut V, ident: Ident) -> V::Result { . visitor.visit_name(ident.name) . } . . pub fn walk_mod<'v, V: Visitor<'v>>(visitor: &mut V, module: &'v Mod<'v>) -> V::Result { . let Mod { spans: _, item_ids } = module; -- line 649 ---------------------------------------- -- line 670 ---------------------------------------- . ForeignItemKind::Static(ref typ, _, _) => { . try_visit!(visitor.visit_ty_unambig(typ)); . } . ForeignItemKind::Type => (), . } . V::Result::output() . } . 86,349 ( 0.00%) pub fn walk_local<'v, V: Visitor<'v>>(visitor: &mut V, local: &'v LetStmt<'v>) -> V::Result { . // Intentionally visiting the expr first - the initialization expr . // dominates the local's definition. . let LetStmt { super_: _, pat, ty, init, els, hir_id, span: _, source: _ } = local; 59,434 ( 0.00%) visit_opt!(visitor, visit_expr, *init); 43,550 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/visitors.rs: as rustc_hir::intravisit::Visitor>::visit_expr'2 (2x) . try_visit!(visitor.visit_id(*hir_id)); 13,054 ( 0.00%) try_visit!(visitor.visit_pat(*pat)); 39,492 ( 0.00%) visit_opt!(visitor, visit_block, *els); 26,274 ( 0.00%) visit_opt!(visitor, visit_ty_unambig, *ty); . V::Result::output() 76,865 ( 0.00%) } . 67,424 ( 0.00%) pub fn walk_block<'v, V: Visitor<'v>>(visitor: &mut V, block: &'v Block<'v>) -> V::Result { . let Block { stmts, expr, hir_id, rules: _, span: _, targeted_by_break: _ } = block; . try_visit!(visitor.visit_id(*hir_id)); 60,226 ( 0.00%) walk_list!(visitor, visit_stmt, *stmts); 56,077 ( 0.00%) visit_opt!(visitor, visit_expr, *expr); 131,645 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/visitors.rs:::get::{closure#0}> as rustc_hir::intravisit::Visitor>::visit_expr'2 (87x) . V::Result::output() 14,743 ( 0.00%) } . 81,066 ( 0.00%) pub fn walk_stmt<'v, V: Visitor<'v>>(visitor: &mut V, statement: &'v Stmt<'v>) -> V::Result { . let Stmt { kind, hir_id, span: _ } = statement; . try_visit!(visitor.visit_id(*hir_id)); 276,574 ( 0.01%) match *kind { 15,452 ( 0.00%) StmtKind::Let(ref local) => visitor.visit_local(local), 390 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::check_expr::{closure#0}> as rustc_hir::intravisit::Visitor>::visit_local (1x) . StmtKind::Item(item) => visitor.visit_nested_item(item), . StmtKind::Expr(ref expression) | StmtKind::Semi(ref expression) => { 80,351 ( 0.00%) visitor.visit_expr(expression) 3,285 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/visitors.rs: as rustc_hir::intravisit::Visitor>::visit_expr (3x) . } . } 681 ( 0.00%) } . 11,587 ( 0.00%) pub fn walk_arm<'v, V: Visitor<'v>>(visitor: &mut V, arm: &'v Arm<'v>) -> V::Result { . let Arm { hir_id, span: _, pat, guard, body } = arm; . try_visit!(visitor.visit_id(*hir_id)); 6,067 ( 0.00%) try_visit!(visitor.visit_pat(*pat)); 18,488 ( 0.00%) visit_opt!(visitor, visit_expr, *guard); 1,038 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:::visit_expr'2 (1x) 10,014 ( 0.00%) visitor.visit_expr(*body) 563 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:::visit_expr'2 (1x) 78 ( 0.00%) } . . pub fn walk_ty_pat<'v, V: Visitor<'v>>(visitor: &mut V, pattern: &'v TyPat<'v>) -> V::Result { . let TyPat { kind, hir_id, span: _ } = pattern; . try_visit!(visitor.visit_id(*hir_id)); . match *kind { . TyPatKind::Range(lower_bound, upper_bound) => { . try_visit!(visitor.visit_const_arg_unambig(lower_bound)); . try_visit!(visitor.visit_const_arg_unambig(upper_bound)); . } . TyPatKind::Or(patterns) => walk_list!(visitor, visit_pattern_type_pattern, patterns), . TyPatKind::NotNull | TyPatKind::Err(_) => (), . } . V::Result::output() . } . 238,184 ( 0.00%) pub fn walk_pat<'v, V: Visitor<'v>>(visitor: &mut V, pattern: &'v Pat<'v>) -> V::Result { . let Pat { hir_id, kind, span, default_binding_modes: _ } = pattern; . try_visit!(visitor.visit_id(*hir_id)); 206,469 ( 0.00%) match *kind { 6,037 ( 0.00%) PatKind::TupleStruct(ref qpath, children, _) => { 1,858 ( 0.00%) try_visit!(visitor.visit_qpath(qpath, *hir_id, *span)); 14,226 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_qpath (384x) 7,964 ( 0.00%) walk_list!(visitor, visit_pat, children); . } 2,394 ( 0.00%) PatKind::Struct(ref qpath, fields, _) => { 711 ( 0.00%) try_visit!(visitor.visit_qpath(qpath, *hir_id, *span)); 7,783 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_qpath (224x) 1,801 ( 0.00%) walk_list!(visitor, visit_pat_field, fields); . } 1,190 ( 0.00%) PatKind::Or(pats) => walk_list!(visitor, visit_pat, pats), 911 ( 0.00%) PatKind::Tuple(tuple_elements, _) => { 4,787 ( 0.00%) walk_list!(visitor, visit_pat, tuple_elements); . } . PatKind::Box(ref subpattern) . | PatKind::Deref(ref subpattern) . | PatKind::Ref(ref subpattern, _, _) => { 80 ( 0.00%) try_visit!(visitor.visit_pat(subpattern)); . } . PatKind::Binding(_, _hir_id, ident, ref optional_subpattern) => { . try_visit!(visitor.visit_ident(ident)); 58,063 ( 0.00%) visit_opt!(visitor, visit_pat, optional_subpattern); . } 1,411 ( 0.00%) PatKind::Expr(ref expression) => try_visit!(visitor.visit_pat_expr(expression)), . PatKind::Range(ref lower_bound, ref upper_bound, _) => { . visit_opt!(visitor, visit_pat_expr, lower_bound); . visit_opt!(visitor, visit_pat_expr, upper_bound); . } . PatKind::Missing | PatKind::Never | PatKind::Wild | PatKind::Err(_) => (), . PatKind::Slice(prepatterns, ref slice_pattern, postpatterns) => { . walk_list!(visitor, visit_pat, prepatterns); . visit_opt!(visitor, visit_pat, slice_pattern); -- line 765 ---------------------------------------- -- line 766 ---------------------------------------- . walk_list!(visitor, visit_pat, postpatterns); . } . PatKind::Guard(subpat, condition) => { . try_visit!(visitor.visit_pat(subpat)); . try_visit!(visitor.visit_expr(condition)); . } . } . V::Result::output() 165,074 ( 0.00%) } . . pub fn walk_pat_field<'v, V: Visitor<'v>>(visitor: &mut V, field: &'v PatField<'v>) -> V::Result { . let PatField { hir_id, ident, pat, is_shorthand: _, span: _ } = field; . try_visit!(visitor.visit_id(*hir_id)); . try_visit!(visitor.visit_ident(*ident)); 918 ( 0.00%) visitor.visit_pat(*pat) . } . . pub fn walk_pat_expr<'v, V: Visitor<'v>>(visitor: &mut V, expr: &'v PatExpr<'v>) -> V::Result { . let PatExpr { hir_id, span, kind } = expr; 592 ( 0.00%) try_visit!(visitor.visit_id(*hir_id)); 2,822 ( 0.00%) match kind { . PatExprKind::Lit { lit, negated } => visitor.visit_lit(*hir_id, *lit, *negated), 3,970 ( 0.00%) PatExprKind::Path(qpath) => visitor.visit_qpath(qpath, *hir_id, *span), 8,640 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_qpath (236x) . } . } . . pub fn walk_anon_const<'v, V: Visitor<'v>>(visitor: &mut V, constant: &'v AnonConst) -> V::Result { . let AnonConst { hir_id, def_id: _, body, span: _ } = constant; . try_visit!(visitor.visit_id(*hir_id)); . visitor.visit_nested_body(*body) . } -- line 796 ---------------------------------------- -- line 799 ---------------------------------------- . visitor: &mut V, . constant: &'v ConstBlock, . ) -> V::Result { . let ConstBlock { hir_id, def_id: _, body } = constant; . try_visit!(visitor.visit_id(*hir_id)); . visitor.visit_nested_body(*body) . } . 3,038,736 ( 0.06%) pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) -> V::Result { . let Expr { hir_id, kind, span } = expression; 205,162 ( 0.00%) try_visit!(visitor.visit_id(*hir_id)); 1,833,841 ( 0.03%) match *kind { 410 ( 0.00%) ExprKind::Array(subexpressions) => { 1,501 ( 0.00%) walk_list!(visitor, visit_expr, subexpressions); 334 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/methods/utils.rs:::visit_expr'2 (1x) . } . ExprKind::ConstBlock(ref const_block) => { . try_visit!(visitor.visit_inline_const(const_block)) 131 ( 0.00%) } . ExprKind::Repeat(ref element, ref count) => { . try_visit!(visitor.visit_expr(element)); . try_visit!(visitor.visit_const_arg_unambig(count)); . } 921 ( 0.00%) ExprKind::Struct(ref qpath, fields, ref optional_base) => { 1,185 ( 0.00%) try_visit!(visitor.visit_qpath(qpath, *hir_id, *span)); 33 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_qpath (1x) 1,091 ( 0.00%) walk_list!(visitor, visit_expr_field, fields); 1,393 ( 0.00%) match optional_base { 21 ( 0.00%) StructTailExpr::Base(base) => try_visit!(visitor.visit_expr(base)), . StructTailExpr::None . | StructTailExpr::NoneWithError(_) . | StructTailExpr::DefaultFields(_) => {} . } . } 709 ( 0.00%) ExprKind::Tup(subexpressions) => { 3,125 ( 0.00%) walk_list!(visitor, visit_expr, subexpressions); 1,320 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:::visit_expr'2 (2x) . } 135,836 ( 0.00%) ExprKind::Call(ref callee_expression, arguments) => { 194,968 ( 0.00%) try_visit!(visitor.visit_expr(callee_expression)); 880 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/visitors.rs:::check_expr::{closure#0}> as rustc_hir::intravisit::Visitor>::visit_expr'2 (5x) 275,300 ( 0.01%) walk_list!(visitor, visit_expr, arguments); 2,264 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/visitors.rs:::check_expr::{closure#0}> as rustc_hir::intravisit::Visitor>::visit_expr'2 (6x) . } 34,093 ( 0.00%) ExprKind::MethodCall(ref segment, receiver, arguments, _) => { 11,462 ( 0.00%) try_visit!(visitor.visit_path_segment(segment)); 5 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::check_expr::{closure#0}> as rustc_hir::intravisit::Visitor>::visit_path_segment (1x) 27,751 ( 0.00%) try_visit!(visitor.visit_expr(receiver)); 369 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:::visit_expr'2 (3x) 13,729 ( 0.00%) walk_list!(visitor, visit_expr, arguments); 304 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/visitors.rs:::check_expr::{closure#0}> as rustc_hir::intravisit::Visitor>::visit_expr'2 (1x) . } . ExprKind::Use(expr, _) => { . try_visit!(visitor.visit_expr(expr)); . } . ExprKind::Binary(_, ref left_expression, ref right_expression) => { 1,226 ( 0.00%) try_visit!(visitor.visit_expr(left_expression)); 245 ( 0.00%) try_visit!(visitor.visit_expr(right_expression)); . } . ExprKind::AddrOf(_, _, ref subexpression) | ExprKind::Unary(_, ref subexpression) => { 17,406 ( 0.00%) try_visit!(visitor.visit_expr(subexpression)); . } . ExprKind::Cast(ref subexpression, ref typ) | ExprKind::Type(ref subexpression, ref typ) => { 168 ( 0.00%) try_visit!(visitor.visit_expr(subexpression)); 1,119 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/unwrap.rs:::visit_expr'2 (9x) 38 ( 0.00%) try_visit!(visitor.visit_ty_unambig(typ)); . } . ExprKind::DropTemps(ref subexpression) => { 128 ( 0.00%) try_visit!(visitor.visit_expr(subexpression)); . } 718 ( 0.00%) ExprKind::Let(LetExpr { span: _, pat, ty, init, recovered: _ }) => { . // match the visit order in walk_local 1,372 ( 0.00%) try_visit!(visitor.visit_expr(init)); 227 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:::visit_expr'2 (1x) 696 ( 0.00%) try_visit!(visitor.visit_pat(pat)); 1,663 ( 0.00%) visit_opt!(visitor, visit_ty_unambig, ty); . } . ExprKind::If(ref cond, ref then, ref else_opt) => { 6,570 ( 0.00%) try_visit!(visitor.visit_expr(cond)); 339 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:::visit_expr'2 (1x) 6,499 ( 0.00%) try_visit!(visitor.visit_expr(then)); 608 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/visitors.rs:::{closure#0}> as rustc_hir::intravisit::Visitor>::visit_expr (3x) 4,404 ( 0.00%) visit_opt!(visitor, visit_expr, else_opt); . } . ExprKind::Loop(ref block, ref opt_label, _, _) => { . visit_opt!(visitor, visit_label, opt_label); 880 ( 0.00%) try_visit!(visitor.visit_block(block)); . } 5,584 ( 0.00%) ExprKind::Match(ref subexpression, arms, _) => { 7,227 ( 0.00%) try_visit!(visitor.visit_expr(subexpression)); 295 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:::visit_expr'2 (1x) 9,430 ( 0.00%) walk_list!(visitor, visit_arm, arms); . } . ExprKind::Closure(&Closure { 735 ( 0.00%) def_id, . binder: _, 730 ( 0.00%) bound_generic_params, 613 ( 0.00%) fn_decl, 716 ( 0.00%) body, . capture_clause: _, . fn_decl_span: _, . fn_arg_span: _, . kind: _, . constness: _, . explicit_captures: _, . }) => { . walk_list!(visitor, visit_generic_param, bound_generic_params); 343 ( 0.00%) try_visit!(visitor.visit_fn(FnKind::Closure, fn_decl, body, *span, def_id)); 20 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs: as rustc_hir::intravisit::Visitor>::visit_fn (5x) 19 ( 0.00%) } . ExprKind::Block(ref block, ref opt_label) => { . visit_opt!(visitor, visit_label, opt_label); 15,351 ( 0.00%) try_visit!(visitor.visit_block(block)); . } . ExprKind::Assign(ref lhs, ref rhs, _) => { 200 ( 0.00%) try_visit!(visitor.visit_expr(rhs)); 40 ( 0.00%) try_visit!(visitor.visit_expr(lhs)); . } . ExprKind::AssignOp(_, ref left_expression, ref right_expression) => { 110 ( 0.00%) try_visit!(visitor.visit_expr(right_expression)); 22 ( 0.00%) try_visit!(visitor.visit_expr(left_expression)); . } . ExprKind::Field(ref subexpression, ident) => { 2,204 ( 0.00%) try_visit!(visitor.visit_expr(subexpression)); . try_visit!(visitor.visit_ident(ident)); . } . ExprKind::Index(ref main_expression, ref index_expression, _) => { 175 ( 0.00%) try_visit!(visitor.visit_expr(main_expression)); 35 ( 0.00%) try_visit!(visitor.visit_expr(index_expression)); . } 115,599 ( 0.00%) ExprKind::Path(ref qpath) => { 461,970 ( 0.01%) try_visit!(visitor.visit_qpath(qpath, *hir_id, *span)); 7,203 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_qpath (177x) . } . ExprKind::Break(ref destination, ref opt_expr) => { . visit_opt!(visitor, visit_label, &destination.label); 3,192 ( 0.00%) visit_opt!(visitor, visit_expr, opt_expr); . } . ExprKind::Continue(ref destination) => { . visit_opt!(visitor, visit_label, &destination.label); . } . ExprKind::Ret(ref optional_expression) => { 1,417 ( 0.00%) visit_opt!(visitor, visit_expr, optional_expression); . } . ExprKind::Become(ref expr) => try_visit!(visitor.visit_expr(expr)), . ExprKind::InlineAsm(ref asm) => { . try_visit!(visitor.visit_inline_asm(asm, *hir_id)); . } . ExprKind::OffsetOf(ref container, ref fields) => { . try_visit!(visitor.visit_ty_unambig(container)); . walk_list!(visitor, visit_ident, fields.iter().copied()); -- line 934 ---------------------------------------- -- line 939 ---------------------------------------- . ExprKind::UnsafeBinderCast(_kind, expr, ty) => { . try_visit!(visitor.visit_expr(expr)); . visit_opt!(visitor, visit_ty_unambig, ty); . } . ExprKind::Lit(lit) => try_visit!(visitor.visit_lit(*hir_id, lit, false)), . ExprKind::Err(_) => {} . } . V::Result::output() 1,317,125 ( 0.02%) } . . pub fn walk_expr_field<'v, V: Visitor<'v>>(visitor: &mut V, field: &'v ExprField<'v>) -> V::Result { . let ExprField { hir_id, ident, expr, span: _, is_shorthand: _ } = field; . try_visit!(visitor.visit_id(*hir_id)); . try_visit!(visitor.visit_ident(*ident)); 2,470 ( 0.00%) visitor.visit_expr(*expr) 46 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/methods/utils.rs:::visit_expr'2 (1x) . } . . pub fn walk_const_arg_expr_field<'v, V: Visitor<'v>>( . visitor: &mut V, . field: &'v ConstArgExprField<'v>, . ) -> V::Result { . let ConstArgExprField { hir_id, field, expr, span: _ } = field; . try_visit!(visitor.visit_id(*hir_id)); -- line 961 ---------------------------------------- -- line 966 ---------------------------------------- . /// We track whether an infer var is from a [`Ty`], [`ConstArg`], or [`GenericArg`] so that . /// HIR visitors overriding [`Visitor::visit_infer`] can determine what kind of infer is being visited . pub enum InferKind<'hir> { . Ty(&'hir Ty<'hir>), . Const(&'hir ConstArg<'hir>), . Ambig(&'hir InferArg), . } . 896 ( 0.00%) pub fn walk_generic_arg<'v, V: Visitor<'v>>( . visitor: &mut V, . generic_arg: &'v GenericArg<'v>, . ) -> V::Result { 12,984 ( 0.00%) match generic_arg { 630 ( 0.00%) GenericArg::Lifetime(lt) => visitor.visit_lifetime(lt), 1,432 ( 0.00%) GenericArg::Type(ty) => visitor.visit_ty(ty), 636 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/lifetimes.rs:::visit_ty (1x) . GenericArg::Const(ct) => visitor.visit_const_arg(ct), . GenericArg::Infer(inf) => { . let InferArg { hir_id, span } = inf; . visitor.visit_infer(*hir_id, *span, InferKind::Ambig(inf)) . } . } 600 ( 0.00%) } . . pub fn walk_unambig_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v>) -> V::Result { . match typ.try_as_ambig_ty() { 4,713 ( 0.00%) Some(ambig_ty) => visitor.visit_ty(ambig_ty), 138,472 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/type_complexity.rs:::visit_ty (927x) . None => { . let Ty { hir_id, span, kind: _ } = typ; . visitor.visit_infer(*hir_id, *span, InferKind::Ty(typ)) . } . } . } . 187,309 ( 0.00%) pub fn walk_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v, AmbigArg>) -> V::Result { . let Ty { hir_id, span: _, kind } = typ; . try_visit!(visitor.visit_id(*hir_id)); . 87,071 ( 0.00%) match *kind { 44 ( 0.00%) TyKind::Slice(ref ty) => try_visit!(visitor.visit_ty_unambig(ty)), . TyKind::Ptr(ref mutable_type) => try_visit!(visitor.visit_ty_unambig(mutable_type.ty)), . TyKind::Ref(ref lifetime, ref mutable_type) => { 1,295 ( 0.00%) try_visit!(visitor.visit_lifetime(lifetime)); 2,779 ( 0.00%) try_visit!(visitor.visit_ty_unambig(mutable_type.ty)); . } . TyKind::Never => {} 73 ( 0.00%) TyKind::Tup(tuple_element_types) => { 93 ( 0.00%) walk_list!(visitor, visit_ty_unambig, tuple_element_types); . } . TyKind::FnPtr(ref function_declaration) => { 58 ( 0.00%) walk_list!(visitor, visit_generic_param, function_declaration.generic_params); 29 ( 0.00%) try_visit!(visitor.visit_fn_decl(function_declaration.decl)); . } . TyKind::UnsafeBinder(ref unsafe_binder) => { . walk_list!(visitor, visit_generic_param, unsafe_binder.generic_params); . try_visit!(visitor.visit_ty_unambig(unsafe_binder.inner_ty)); . } 4,387 ( 0.00%) TyKind::Path(ref qpath) => { . try_visit!(visitor.visit_qpath(qpath, typ.hir_id, typ.span)); . } . TyKind::OpaqueDef(opaque) => { . try_visit!(visitor.visit_opaque_ty(opaque)); . } . TyKind::TraitAscription(bounds) => { . walk_list!(visitor, visit_param_bound, bounds); . } . TyKind::Array(ref ty, ref length) => { . try_visit!(visitor.visit_ty_unambig(ty)); . try_visit!(visitor.visit_const_arg_unambig(length)); . } 6 ( 0.00%) TyKind::TraitObject(bounds, ref lifetime) => { 3 ( 0.00%) for bound in bounds { . try_visit!(visitor.visit_poly_trait_ref(bound)); . } 1 ( 0.00%) try_visit!(visitor.visit_lifetime(lifetime)); . } . TyKind::InferDelegation(..) | TyKind::Err(_) => {} . TyKind::Pat(ty, pat) => { . try_visit!(visitor.visit_ty_unambig(ty)); . try_visit!(visitor.visit_pattern_type_pattern(pat)); . } . TyKind::FieldOf(ty, TyFieldPath { variant, field }) => { . try_visit!(visitor.visit_ty_unambig(ty)); -- line 1047 ---------------------------------------- -- line 1051 ---------------------------------------- . TyKind::View(ty, fields) => { . try_visit!(visitor.visit_ty_unambig(ty)); . for field in fields { . try_visit!(visitor.visit_ident(*field)); . } . } . } . V::Result::output() 95,016 ( 0.00%) } . . pub fn walk_const_item_rhs<'v, V: Visitor<'v>>( . visitor: &mut V, . ct_rhs: ConstItemRhs<'v>, . ) -> V::Result { . match ct_rhs { . ConstItemRhs::Body(body_id) => visitor.visit_nested_body(body_id), . ConstItemRhs::TypeConst(const_arg) => visitor.visit_const_arg_unambig(const_arg), -- line 1067 ---------------------------------------- -- line 1135 ---------------------------------------- . colon_span: _, . source: _, . } = param; . try_visit!(visitor.visit_id(*hir_id)); . match *name { . ParamName::Plain(ident) | ParamName::Error(ident) => try_visit!(visitor.visit_ident(ident)), . ParamName::Fresh => {} . } 7,129 ( 0.00%) match *kind { . GenericParamKind::Lifetime { .. } => {} . GenericParamKind::Type { ref default, .. } => { 114 ( 0.00%) visit_opt!(visitor, visit_ty_unambig, default) . } . GenericParamKind::Const { ref ty, ref default } => { . try_visit!(visitor.visit_ty_unambig(ty)); . if let Some(default) = default { . try_visit!(visitor.visit_const_param_default(*hir_id, default)); . } . } . } -- line 1154 ---------------------------------------- -- line 1157 ---------------------------------------- . . pub fn walk_const_param_default<'v, V: Visitor<'v>>( . visitor: &mut V, . ct: &'v ConstArg<'v>, . ) -> V::Result { . visitor.visit_const_arg_unambig(ct) . } . 5,909 ( 0.00%) pub fn walk_generics<'v, V: Visitor<'v>>(visitor: &mut V, generics: &'v Generics<'v>) -> V::Result { . let &Generics { 817 ( 0.00%) params, 1,634 ( 0.00%) predicates, . has_where_clause_predicates: _, . where_clause_span: _, . span: _, . } = generics; . walk_list!(visitor, visit_generic_param, params); 66 ( 0.00%) walk_list!(visitor, visit_where_predicate, predicates); 846 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/lifetimes.rs: as rustc_hir::intravisit::Visitor>::visit_where_predicate (6x) . V::Result::output() 5,464 ( 0.00%) } . 18 ( 0.00%) pub fn walk_where_predicate<'v, V: Visitor<'v>>( . visitor: &mut V, . predicate: &'v WherePredicate<'v>, . ) -> V::Result { 3 ( 0.00%) let &WherePredicate { hir_id, kind, span: _ } = predicate; . try_visit!(visitor.visit_id(hir_id)); 6 ( 0.00%) match *kind { . WherePredicateKind::BoundPredicate(WhereBoundPredicate { . ref bounded_ty, 6 ( 0.00%) bounds, 3 ( 0.00%) bound_generic_params, . origin: _, . }) => { 3 ( 0.00%) try_visit!(visitor.visit_ty_unambig(bounded_ty)); 6 ( 0.00%) walk_list!(visitor, visit_param_bound, bounds); 799 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_param_bound (3x) . walk_list!(visitor, visit_generic_param, bound_generic_params); . } . WherePredicateKind::RegionPredicate(WhereRegionPredicate { . ref lifetime, . bounds, . in_where_clause: _, . }) => { . try_visit!(visitor.visit_lifetime(lifetime)); . walk_list!(visitor, visit_param_bound, bounds); . } . } . V::Result::output() 18 ( 0.00%) } . 2,142 ( 0.00%) pub fn walk_fn_decl<'v, V: Visitor<'v>>( . visitor: &mut V, . function_declaration: &'v FnDecl<'v>, . ) -> V::Result { . let FnDecl { inputs, output, fn_decl_kind: _ } = function_declaration; 1,532 ( 0.00%) walk_list!(visitor, visit_ty_unambig, *inputs); . visitor.visit_fn_ret_ty(output) 416 ( 0.00%) } . . pub fn walk_fn_ret_ty<'v, V: Visitor<'v>>(visitor: &mut V, ret_ty: &'v FnRetTy<'v>) -> V::Result { 3,791 ( 0.00%) if let FnRetTy::Return(output_ty) = *ret_ty { . try_visit!(visitor.visit_ty_unambig(output_ty)); . } . V::Result::output() . } . 8,410 ( 0.00%) pub fn walk_fn<'v, V: Visitor<'v>>( . visitor: &mut V, . function_kind: FnKind<'v>, . function_declaration: &'v FnDecl<'v>, . body_id: BodyId, . _: LocalDefId, . ) -> V::Result { . try_visit!(visitor.visit_fn_decl(function_declaration)); 144 ( 0.00%) try_visit!(walk_fn_kind(visitor, function_kind)); . visitor.visit_nested_body(body_id) 5,608 ( 0.00%) } . . pub fn walk_fn_kind<'v, V: Visitor<'v>>(visitor: &mut V, function_kind: FnKind<'v>) -> V::Result { 1,412 ( 0.00%) match function_kind { . FnKind::ItemFn(_, generics, ..) => { . try_visit!(visitor.visit_generics(generics)); . } . FnKind::Closure | FnKind::Method(..) => {} . } . V::Result::output() . } . -- line 1244 ---------------------------------------- -- line 1291 ---------------------------------------- . } . V::Result::output() . } . . pub fn walk_trait_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, id: TraitItemId) -> V::Result { . visitor.visit_nested_trait_item(id) . } . 2,106 ( 0.00%) pub fn walk_impl_item<'v, V: Visitor<'v>>( . visitor: &mut V, . impl_item: &'v ImplItem<'v>, . ) -> V::Result { . let ImplItem { owner_id: _, ident, ref generics, ref impl_kind, ref kind, span: _ } = . *impl_item; . . try_visit!(visitor.visit_ident(ident)); 234 ( 0.00%) try_visit!(visitor.visit_generics(generics)); . try_visit!(visitor.visit_id(impl_item.hir_id())); . match impl_kind { . ImplItemImplKind::Inherent { vis_span: _ } => {} . ImplItemImplKind::Trait { defaultness, trait_item_def_id: _ } => { . try_visit!(visitor.visit_defaultness(defaultness)); . } . } 1,872 ( 0.00%) match *kind { . ImplItemKind::Const(ref ty, rhs) => { . try_visit!(visitor.visit_ty_unambig(ty)); . visitor.visit_const_item_rhs(rhs) . } 468 ( 0.00%) ImplItemKind::Fn(ref sig, body_id) => visitor.visit_fn( 804 ( 0.00%) FnKind::Method(impl_item.ident, sig), 234 ( 0.00%) sig.decl, . body_id, . impl_item.span, . impl_item.owner_id.def_id, 134 ( 0.00%) ), . ImplItemKind::Type(ref ty) => visitor.visit_ty_unambig(ty), . } 1,872 ( 0.00%) } . . pub fn walk_foreign_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, id: ForeignItemId) -> V::Result { . visitor.visit_nested_foreign_item(id) . } . . pub fn walk_impl_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, id: ImplItemId) -> V::Result { . visitor.visit_nested_impl_item(id) . } . . pub fn walk_trait_ref<'v, V: Visitor<'v>>( . visitor: &mut V, . trait_ref: &'v TraitRef<'v>, . ) -> V::Result { . let TraitRef { hir_ref_id, path } = trait_ref; . try_visit!(visitor.visit_id(*hir_ref_id)); 80 ( 0.00%) visitor.visit_path(*path, *hir_ref_id) . } . 183 ( 0.00%) pub fn walk_param_bound<'v, V: Visitor<'v>>( . visitor: &mut V, . bound: &'v GenericBound<'v>, . ) -> V::Result { 249 ( 0.00%) match *bound { 90 ( 0.00%) GenericBound::Trait(ref typ) => visitor.visit_poly_trait_ref(typ), 3,218 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/lifetimes.rs:::visit_poly_trait_ref (9x) . GenericBound::Outlives(ref lifetime) => visitor.visit_lifetime(lifetime), . GenericBound::Use(args, _) => { . walk_list!(visitor, visit_precise_capturing_arg, args); . V::Result::output() . } . } 120 ( 0.00%) } . . pub fn walk_precise_capturing_arg<'v, V: Visitor<'v>>( . visitor: &mut V, . arg: &'v PreciseCapturingArg<'v>, . ) -> V::Result { . match *arg { . PreciseCapturingArg::Lifetime(lt) => visitor.visit_lifetime(lt), . PreciseCapturingArg::Param(param) => { . let PreciseCapturingNonLifetimeArg { hir_id, ident, res: _ } = param; . try_visit!(visitor.visit_id(hir_id)); . visitor.visit_ident(ident) . } . } . } . 81 ( 0.00%) pub fn walk_poly_trait_ref<'v, V: Visitor<'v>>( . visitor: &mut V, . trait_ref: &'v PolyTraitRef<'v>, . ) -> V::Result { . let PolyTraitRef { bound_generic_params, modifiers: _, trait_ref, span: _ } = trait_ref; 48 ( 0.00%) walk_list!(visitor, visit_generic_param, *bound_generic_params); . visitor.visit_trait_ref(trait_ref) 72 ( 0.00%) } . . pub fn walk_opaque_ty<'v, V: Visitor<'v>>(visitor: &mut V, opaque: &'v OpaqueTy<'v>) -> V::Result { . let &OpaqueTy { hir_id, def_id: _, bounds, origin: _, span: _ } = opaque; . try_visit!(visitor.visit_id(hir_id)); . walk_list!(visitor, visit_param_bound, bounds); . V::Result::output() . } . -- line 1391 ---------------------------------------- -- line 1450 ---------------------------------------- . } . . pub fn walk_lifetime<'v, V: Visitor<'v>>(visitor: &mut V, lifetime: &'v Lifetime) -> V::Result { . let Lifetime { hir_id, ident, kind: _, source: _, syntax: _ } = lifetime; . try_visit!(visitor.visit_id(*hir_id)); . visitor.visit_ident(*ident) . } . 889,307 ( 0.02%) pub fn walk_qpath<'v, V: Visitor<'v>>( . visitor: &mut V, . qpath: &'v QPath<'v>, . id: HirId, . ) -> V::Result { 279,587 ( 0.01%) match *qpath { . QPath::Resolved(ref maybe_qself, ref path) => { 257,676 ( 0.00%) visit_opt!(visitor, visit_ty_unambig, maybe_qself); 128,838 ( 0.00%) visitor.visit_path(path, id) . } . QPath::TypeRelative(ref qself, ref segment) => { 3,954 ( 0.00%) try_visit!(visitor.visit_ty_unambig(qself)); 10,178 ( 0.00%) visitor.visit_path_segment(segment) . } . } 790,496 ( 0.01%) } . 350 ( 0.00%) pub fn walk_path<'v, V: Visitor<'v>>(visitor: &mut V, path: &Path<'v>) -> V::Result { . let Path { segments, span: _, res: _ } = path; 128,971 ( 0.00%) walk_list!(visitor, visit_path_segment, *segments); 680 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_path_segment (3x) . V::Result::output() 2,479 ( 0.00%) } . . pub fn walk_path_segment<'v, V: Visitor<'v>>( . visitor: &mut V, . segment: &'v PathSegment<'v>, . ) -> V::Result { . let PathSegment { ident, hir_id, res: _, args, infer_args: _, delegation_child_segment: _ } = . segment; . try_visit!(visitor.visit_ident(*ident)); . try_visit!(visitor.visit_id(*hir_id)); 752,979 ( 0.01%) visit_opt!(visitor, visit_generic_args, *args); 580 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_generic_args (2x) . V::Result::output() 1,118 ( 0.00%) } . 360 ( 0.00%) pub fn walk_generic_args<'v, V: Visitor<'v>>( . visitor: &mut V, . generic_args: &'v GenericArgs<'v>, . ) -> V::Result { . let GenericArgs { args, constraints, parenthesized: _, span_ext: _ } = generic_args; 2,319 ( 0.00%) walk_list!(visitor, visit_generic_arg, *args); 8,518 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs: as rustc_hir::intravisit::Visitor>::visit_generic_arg (114x) 1,900 ( 0.00%) walk_list!(visitor, visit_assoc_item_constraint, *constraints); 235 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:::visit_assoc_item_constraint (1x) . V::Result::output() 320 ( 0.00%) } . 42 ( 0.00%) pub fn walk_assoc_item_constraint<'v, V: Visitor<'v>>( . visitor: &mut V, . constraint: &'v AssocItemConstraint<'v>, . ) -> V::Result { . let AssocItemConstraint { hir_id, ident, gen_args, kind: _, span: _ } = constraint; . try_visit!(visitor.visit_id(*hir_id)); . try_visit!(visitor.visit_ident(*ident)); 20 ( 0.00%) try_visit!(visitor.visit_generic_args(*gen_args)); 42 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/lifetimes.rs: as rustc_hir::intravisit::Visitor>::visit_generic_args'2 (2x) 27 ( 0.00%) match constraint.kind { 26 ( 0.00%) AssocItemConstraintKind::Equality { ref term } => match term { . Term::Ty(ty) => try_visit!(visitor.visit_ty_unambig(ty)), . Term::Const(c) => try_visit!(visitor.visit_const_arg_unambig(c)), . }, . AssocItemConstraintKind::Bound { bounds } => { . walk_list!(visitor, visit_param_bound, bounds) . } . } . V::Result::output() 8 ( 0.00%) } . . pub fn walk_defaultness<'v, V: Visitor<'v>>(_: &mut V, _: &'v Defaultness) -> V::Result { . // No visitable content here: this fn exists so you can call it if . // the right thing to do, should content be added in the future, . // would be to walk it. . V::Result::output() . } . -- line 1529 ---------------------------------------- 767,430 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_abs_diff.rs -------------------------------------------------------------------------------- Ir -- line 49 ---------------------------------------- . . impl ManualAbsDiff { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for ManualAbsDiff { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 104,090 ( 0.00%) if !expr.span.from_expansion() . && let Some(if_expr) = If::hir(expr) . && let Some(r#else) = if_expr.r#else 393 ( 0.00%) && let ExprKind::Binary(op, rhs, lhs) = if_expr.cond.kind 342 ( 0.00%) && let (BinOpKind::Gt | BinOpKind::Ge, mut a, mut b) | (BinOpKind::Lt | BinOpKind::Le, mut b, mut a) = . (op.node, rhs, lhs) 1 ( 0.00%) && let Some((ty, b_n_refs)) = self.are_ty_eligible(cx, a, b) 10 ( 0.00%) && is_sub_expr(cx, if_expr.then, a, b, ty) 60 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_abs_diff.rs:clippy_lints::manual_abs_diff::is_sub_expr (1x) . && is_sub_expr(cx, r#else, b, a, ty) . { . span_lint_and_then( . cx, . MANUAL_ABS_DIFF, . expr.span, . "manual absolute difference pattern without using `abs_diff`", . |diag| { -- line 73 ---------------------------------------- -- line 86 ---------------------------------------- . Sugg::hir(cx, a, "..").maybe_paren(), . "*".repeat(b_n_refs), . Sugg::hir(cx, b, "..") . ); . diag.span_suggestion(expr.span, "replace with `abs_diff`", sugg, applicability); . }, . ); . } 416,360 ( 0.01%) } . } . . impl ManualAbsDiff { . /// Returns a type if `a` and `b` are both of it, and this lint can be applied to that . /// type (currently, any primitive int, or a `Duration`) . fn are_ty_eligible<'tcx>(&self, cx: &LateContext<'tcx>, a: &Expr<'_>, b: &Expr<'_>) -> Option<(Ty<'tcx>, usize)> { 9 ( 0.00%) let is_int = |ty: Ty<'_>| matches!(ty.kind(), ty::Uint(_) | ty::Int(_)) && self.msrv.meets(cx, msrvs::ABS_DIFF); 27 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (1x) . let is_duration = . |ty: Ty<'_>| ty.is_diag_item(cx, sym::Duration) && self.msrv.meets(cx, msrvs::DURATION_ABS_DIFF); . 4 ( 0.00%) let a_ty = cx.typeck_results().expr_ty(a).peel_refs(); 40 ( 0.00%) => ???:::expr_ty (1x) 6 ( 0.00%) let (b_ty, b_n_refs, _) = peel_and_count_ty_refs(cx.typeck_results().expr_ty(b)); 40 ( 0.00%) => ???:::expr_ty (1x) 9 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::peel_and_count_ty_refs (1x) . 3 ( 0.00%) (a_ty == b_ty && (is_int(a_ty) || is_duration(a_ty))).then_some((a_ty, b_n_refs)) . } . } . . /// Checks if the given expression is a subtraction operation between two expected expressions, . /// i.e. if `expr` is `{expected_a} - {expected_b}`. . /// . /// If `expected_ty` is a signed primitive integer, this function will only return `Some` if the . /// subtraction expr is wrapped in a cast to the equivalent unsigned int. 27 ( 0.00%) fn is_sub_expr( . cx: &LateContext<'_>, . expr: &Expr<'_>, . expected_a: &Expr<'_>, . expected_b: &Expr<'_>, . expected_ty: Ty<'_>, . ) -> bool { . let expr = peel_blocks(expr); . 2 ( 0.00%) if let ty::Int(ty) = expected_ty.kind() { . let unsigned = Ty::new_uint(cx.tcx, ty.to_unsigned()); . . return if let ExprKind::Cast(expr, cast_ty) = expr.kind . && cx.typeck_results().node_type(cast_ty.hir_id) == unsigned . { . is_sub_expr(cx, expr, expected_a, expected_b, unsigned) . } else { . false . }; . } . 1 ( 0.00%) let ctxt = expr.span.ctxt(); 2 ( 0.00%) if let ExprKind::Binary(op, a, b) = expr.kind . && let BinOpKind::Sub = op.node . && eq_expr_value(cx, ctxt, a, expected_a) . && eq_expr_value(cx, ctxt, b, expected_b) . { . true . } else { . false . } 9 ( 0.00%) } . . fn is_unsuffixed_numeral_lit(expr: &Expr<'_>) -> bool { . matches!(expr.kind, ExprKind::Lit(lit) if lit.node.is_numeric() && lit.node.is_unsuffixed()) . } 66 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/erase_regions.rs -------------------------------------------------------------------------------- Ir -- line 19 ---------------------------------------- . /// Returns an equivalent value with all free regions removed and . /// bound regions anonymized. (note that bound regions are important . /// for subtyping and generally type equality so *cannot* be removed) . pub fn erase_and_anonymize_regions(self, value: T) -> T . where . T: TypeFoldable>, . { . // If there's nothing to erase or anonymize, avoid performing the query at all 350,481 ( 0.01%) if !value.has_type_flags(TypeFlags::HAS_BINDER_VARS | TypeFlags::HAS_FREE_REGIONS) { . return value; . } . debug!("erase_and_anonymize_regions({:?})", value); 48 ( 0.00%) let value1 = value.fold_with(&mut RegionEraserAndAnonymizerVisitor { tcx: self }); 4,743 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/generic_args.rs:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable>::fold_with:: (7x) . debug!("erase_and_anonymize_regions = {:?}", value1); . value1 . } . } . . struct RegionEraserAndAnonymizerVisitor<'tcx> { . tcx: TyCtxt<'tcx>, . } -- line 39 ---------------------------------------- 101 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unused_io_amount.rs -------------------------------------------------------------------------------- Ir -- line 78 ---------------------------------------- . /// . /// We then check the individual expressions via `check_expr`. We use the same logic for . /// semi expressions and the final expression as we need to check match and if expressions . /// for binding of the io amount to `Ok(_)`. . /// . /// We explicitly check for the match source to be Normal as it needs special logic . /// to consider the arms, and we want to avoid breaking the logic for situations where things . /// get desugared to match. 22,266 ( 0.00%) fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx hir::Block<'tcx>) { 2,474 ( 0.00%) let fn_def_id = block.hir_id.owner.to_def_id(); 14,844 ( 0.00%) if let Some(impl_id) = cx.tcx.trait_impl_of_assoc(fn_def_id) { 188,805 ( 0.00%) => ???:::trait_impl_of_assoc (2,474x) . let trait_id = cx.tcx.impl_trait_id(impl_id); . // We don't want to lint inside io::Read or io::Write implementations, as the author has more . // information about their trait implementation than our lint, see https://github.com/rust-lang/rust-clippy/issues/4836 304 ( 0.00%) if let Some(trait_name) = cx.tcx.get_diagnostic_name(trait_id) 2,565 ( 0.00%) => ???:::get_diagnostic_name (38x) . && matches!(trait_name, sym::IoRead | sym::IoWrite) . { . return; . } . . let async_paths = [ . &paths::TOKIO_IO_ASYNCREADEXT, . &paths::TOKIO_IO_ASYNCWRITEEXT, -- line 100 ---------------------------------------- -- line 102 ---------------------------------------- . &paths::FUTURES_IO_ASYNCWRITEEXT, . ]; . . if async_paths.into_iter().any(|path| path.matches(cx, trait_id)) { . return; . } . } . 2,474 ( 0.00%) for stmt in block.stmts { 27,825 ( 0.00%) if let hir::StmtKind::Semi(exp) = stmt.kind { 15,154 ( 0.00%) check_expr(cx, exp); 818,118 ( 0.02%) => site/frontend/rust-clippy/clippy_lints/src/unused_io_amount.rs:clippy_lints::unused_io_amount::check_expr (7,577x) . } . } . 7,422 ( 0.00%) if let Some(exp) = block.expr 5,546 ( 0.00%) && matches!( 3,820 ( 0.00%) exp.kind, . ExprKind::If(_, _, _) | ExprKind::Match(_, _, hir::MatchSource::Normal) . ) . { 2,466 ( 0.00%) check_expr(cx, exp); 27,705 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unused_io_amount.rs:clippy_lints::unused_io_amount::check_expr (274x) . } 17,600 ( 0.00%) } . } . . fn non_consuming_err_arm<'a>(cx: &LateContext<'a>, arm: &hir::Arm<'a>) -> bool { . // if there is a guard, we consider the result to be consumed . if arm.guard.is_some() { . return false; . } . if is_unreachable_or_panic(cx, arm.body) { -- line 132 ---------------------------------------- -- line 154 ---------------------------------------- . // if the body is unreachable or there is a panic, . // we consider the result to be consumed . return false; . } . . is_ok_wild_or_dotdot_pattern(cx, arm.pat) . } . 70,659 ( 0.00%) fn check_expr<'a>(cx: &LateContext<'a>, expr: &'a hir::Expr<'a>) { 39,201 ( 0.00%) match expr.kind { . ExprKind::If(cond, _, _) 617 ( 0.00%) if let ExprKind::Let(hir::LetExpr { pat, init, .. }) = cond.kind 295 ( 0.00%) && is_ok_wild_or_dotdot_pattern(cx, pat) 11,228 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unused_io_amount.rs:clippy_lints::unused_io_amount::is_ok_wild_or_dotdot_pattern (59x) . && let Some(op) = should_lint(cx, init) => . { . emit_lint(cx, cond.span, cond.hir_id, op, &[pat.span]); . }, . // we will capture only the case where the match is Ok( ) or Err( ) . // prefer to match the minimum possible, and expand later if needed . // to avoid false positives on something as used as this 515 ( 0.00%) ExprKind::Match(expr, [arm1, arm2], hir::MatchSource::Normal) if let Some(op) = should_lint(cx, expr) => { 2,371 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unused_io_amount.rs:clippy_lints::unused_io_amount::should_lint (45x) . if non_consuming_ok_arm(cx, arm1) && non_consuming_err_arm(cx, arm2) { . emit_lint(cx, expr.span, expr.hir_id, op, &[arm1.pat.span]); . } . if non_consuming_ok_arm(cx, arm2) && non_consuming_err_arm(cx, arm1) { . emit_lint(cx, expr.span, expr.hir_id, op, &[arm2.pat.span]); . } . }, . ExprKind::Match(_, _, hir::MatchSource::Normal) => {}, 38,800 ( 0.00%) _ if let Some(op) = should_lint(cx, expr) => { 619,329 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/unused_io_amount.rs:clippy_lints::unused_io_amount::should_lint (7,760x) . emit_lint(cx, expr.span, expr.hir_id, op, &[]); . }, . _ => {}, . } 62,808 ( 0.00%) } . 70,245 ( 0.00%) fn should_lint<'a>(cx: &LateContext<'a>, mut inner: &'a hir::Expr<'a>) -> Option { . inner = unpack_match(inner); 7,805 ( 0.00%) inner = unpack_try(cx, inner); . inner = unpack_call_chain(inner); . inner = unpack_await(cx, inner); . // we type-check it to get whether it's a read/write or their vectorized forms . // and keep only the ones that are produce io amount . check_io_mode(cx, inner) 70,245 ( 0.00%) } . . fn is_ok_wild_or_dotdot_pattern<'a>(cx: &LateContext<'a>, pat: &hir::Pat<'a>) -> bool { . // the if checks whether we are in a result Ok( ) pattern . // and the return checks whether it is unhandled . 289 ( 0.00%) if let PatKind::TupleStruct(ref path, inner_pat, _) = pat.kind . // we check against Result::Ok to avoid linting on Err(_) or something else. 405 ( 0.00%) && cx.qpath_res(path, pat.hir_id).ctor_parent(cx).is_lang_item(cx, hir::LangItem::ResultOk) 1,311 ( 0.00%) => ???:::qpath_res (57x) . { 12 ( 0.00%) if matches!(inner_pat, []) { . return true; . } . . if let [cons_pat] = inner_pat 6 ( 0.00%) && matches!(cons_pat.kind, PatKind::Wild) . { . return true; . } . return false; . } . false 59 ( 0.00%) } . . // this is partially taken from panic_unimplemented . fn is_unreachable_or_panic(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool { . let expr = peel_blocks(expr); . let Some(macro_call) = root_macro_call_first_node(cx, expr) else { . return false; . }; . if is_panic(cx, macro_call.def_id) { . return !cx.tcx.hir_is_inside_const_context(expr.hir_id); . } . cx.tcx.is_diagnostic_item(sym::unreachable_macro, macro_call.def_id) . } . . fn unpack_call_chain<'a>(mut expr: &'a hir::Expr<'a>) -> &'a hir::Expr<'a> { 23,689 ( 0.00%) while let ExprKind::MethodCall(path, receiver, ..) = expr.kind { . if matches!( 274 ( 0.00%) path.ident.name, 2,966 ( 0.00%) sym::unwrap . | sym::expect . | sym::unwrap_or . | sym::unwrap_or_else . | sym::ok . | sym::is_ok . | sym::is_err . | sym::or_else . | sym::or -- line 246 ---------------------------------------- -- line 249 ---------------------------------------- . } else { . break; . } . } . expr . } . . fn unpack_try<'a>(cx: &LateContext<'_>, mut expr: &'a hir::Expr<'a>) -> &'a hir::Expr<'a> { 32,776 ( 0.00%) while let ExprKind::Call(func, [arg_0]) = expr.kind 16,368 ( 0.00%) && let ExprKind::Path(qpath) = func.kind 16,368 ( 0.00%) && cx.tcx.qpath_is_lang_item(qpath, hir::LangItem::TryTraitBranch) 284,031 ( 0.01%) => ???:::qpath_is_lang_item (2,728x) . { . expr = arg_0; . } . expr . } . . fn unpack_match<'a>(mut expr: &'a hir::Expr<'a>) -> &'a hir::Expr<'a> { 23,451 ( 0.00%) while let ExprKind::Match(res, _, _) = expr.kind { . expr = res; . } . expr . } . . /// If `expr` is an (e).await, return the inner expression "e" that's being . /// waited on. Otherwise return None. . fn unpack_await<'a>(cx: &LateContext<'_>, expr: &'a hir::Expr<'a>) -> &'a hir::Expr<'a> { 15,062 ( 0.00%) if let ExprKind::Match(expr, _, hir::MatchSource::AwaitDesugar) = expr.kind . && let ExprKind::Call(func, [arg_0]) = expr.kind . && let ExprKind::Path(qpath) = func.kind . && cx.tcx.qpath_is_lang_item(qpath, hir::LangItem::IntoFutureIntoFuture) . { . return arg_0; . } . expr . } . . /// Check whether the current expr is a function call for an IO operation . fn check_io_mode(cx: &LateContext<'_>, call: &hir::Expr<'_>) -> Option { 15,062 ( 0.00%) let ExprKind::MethodCall(path, ..) = call.kind else { . return None; . }; . 822 ( 0.00%) let vectorized = match path.ident.as_str() { 8,768 ( 0.00%) => ???:::as_str (274x) 25 ( 0.00%) "write_vectored" | "read_vectored" => true, 27 ( 0.00%) "write" | "read" => false, . _ => { . return None; . }, . }; . . if let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(call.hir_id) . && let Some(trait_def_id) = cx.tcx.trait_of_assoc(method_def_id) . { -- line 302 ---------------------------------------- 40,544 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/operators/eq_op.rs -------------------------------------------------------------------------------- Ir -- line 2 ---------------------------------------- . use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; . use clippy_utils::macros::{find_assert_eq_args, first_node_macro_backtrace}; . use clippy_utils::{eq_expr_value, is_in_test_function, sym}; . use rustc_hir::{BinOpKind, Expr}; . use rustc_lint::LateContext; . . use super::EQ_OP; . 468,405 ( 0.01%) pub(crate) fn check_assert<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 52,045 ( 0.00%) if let Some(macro_call) = first_node_macro_backtrace(cx, e).find(|macro_call| { 187,014 ( 0.00%) matches!( 124,676 ( 0.00%) cx.tcx.get_diagnostic_name(macro_call.def_id), 1,423,614 ( 0.03%) => ???:::get_diagnostic_name (31,169x) . Some(sym::assert_eq_macro | sym::assert_ne_macro | sym::debug_assert_eq_macro | sym::debug_assert_ne_macro) . ) . }) && let Some((lhs, rhs, _)) = find_assert_eq_args(cx, e, macro_call.expn) . && eq_expr_value(cx, macro_call.span.ctxt(), lhs, rhs) . && macro_call.is_local() . && !is_in_test_function(cx.tcx, e.hir_id) . { . span_lint( -- line 21 ---------------------------------------- -- line 23 ---------------------------------------- . EQ_OP, . lhs.span.to(rhs.span), . format!( . "identical args used in this `{}!` macro call", . cx.tcx.item_name(macro_call.def_id) . ), . ); . } 416,360 ( 0.01%) } . 1,359 ( 0.00%) pub(crate) fn check<'tcx>( . cx: &LateContext<'tcx>, . e: &'tcx Expr<'_>, . op: BinOpKind, . left: &'tcx Expr<'_>, . right: &'tcx Expr<'_>, . ) { . if is_useless_with_eq_exprs(op) 1,043 ( 0.00%) && eq_expr_value(cx, e.span.ctxt(), left, right) 73,246 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::eq_expr_value (149x) . && !is_in_test_function(cx.tcx, e.hir_id) . { . span_lint_and_then( . cx, . EQ_OP, . e.span, . format!("equal expressions as operands to `{}`", op.as_str()), . |diag| { -- line 49 ---------------------------------------- -- line 50 ---------------------------------------- . if let BinOpKind::Ne = op . && cx.typeck_results().expr_ty(left).is_floating_point() . { . diag.note("if you intended to check if the operand is NaN, use `.is_nan()` instead"); . } . }, . ); . } 1,208 ( 0.00%) } 156,731 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/validations.rs -------------------------------------------------------------------------------- Ir -- line 29 ---------------------------------------- . /// . /// # Safety . /// . /// `bytes` must produce a valid UTF-8-like (UTF-8 or WTF-8) string . #[unstable(feature = "str_internals", issue = "none")] . #[inline] . pub unsafe fn next_code_point<'a, I: Iterator>(bytes: &mut I) -> Option { . // Decode UTF-8 116,285 ( 0.00%) let x = *bytes.next()?; 237,604 ( 0.00%) if x < 128 { . return Some(x as u32); . } . . // Multibyte case follows . // Decode from a byte combination out of: [[[x y] z] w] . // NOTE: Performance is sensitive to the exact formulation here . let init = utf8_first_byte(x, 2); . // SAFETY: `bytes` produces an UTF-8-like string, -- line 46 ---------------------------------------- -- line 76 ---------------------------------------- . /// `bytes` must produce a valid UTF-8-like (UTF-8 or WTF-8) string . #[inline] . pub(super) unsafe fn next_code_point_reverse<'a, I>(bytes: &mut I) -> Option . where . I: DoubleEndedIterator, . { . // Decode UTF-8 . let w = match *bytes.next_back()? { 16,699 ( 0.00%) next_byte if next_byte < 128 => return Some(next_byte as u32), . back_byte => back_byte, . }; . . // Multibyte case follows . // Decode from a byte combination out of: [x [y [z w]]] . let mut ch; . // SAFETY: `bytes` produces an UTF-8-like string, . // so the iterator must produce a value here. -- line 92 ---------------------------------------- -- line 271 ---------------------------------------- . 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // F . ]; . . /// Given a first byte, determines how many bytes are in this UTF-8 character. . #[unstable(feature = "str_internals", issue = "none")] . #[must_use] . #[inline] . pub const fn utf8_char_width(b: u8) -> usize { 7 ( 0.00%) UTF8_CHAR_WIDTH[b as usize] as usize . } . . /// Mask of the value bits of a continuation byte. . const CONT_MASK: u8 = 0b0011_1111; 186,829 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs -------------------------------------------------------------------------------- Ir -- line 91 ---------------------------------------- . . pub struct NonExpressiveNames { . pub single_char_binding_names_threshold: u64, . } . . impl NonExpressiveNames { . pub fn new(conf: &'static Conf) -> Self { . Self { 3 ( 0.00%) single_char_binding_names_threshold: conf.single_char_binding_names_threshold, . } . } . } . . struct ExistingName { . interned: Symbol, . span: Span, . len: usize, -- line 107 ---------------------------------------- -- line 113 ---------------------------------------- . cx: &'a EarlyContext<'tcx>, . threshold: u64, . . /// A stack of scopes containing the single-character bindings in each scope. . single_char_names: Vec>, . } . . impl SimilarNamesLocalVisitor<'_, '_> { 5,628 ( 0.00%) fn check_single_char_names(&self) { 2,814 ( 0.00%) if self.single_char_names.last().map(Vec::len) == Some(0) { . return; . } . . let num_single_char_names = self.single_char_names.iter().flatten().count(); 12 ( 0.00%) if num_single_char_names as u64 > self.threshold { . let span = self . .single_char_names . .iter() . .flatten() . .map(|ident| ident.span) . .collect::>(); . span_lint( . self.cx, . MANY_SINGLE_CHAR_NAMES, . span, . format!("{num_single_char_names} bindings with single-character names in scope"), . ); . } 8,442 ( 0.00%) } . } . . // this list contains lists of names that are allowed to be similar . // the assumption is that no name is ever contained in multiple lists. . const ALLOWED_TO_BE_SIMILAR: &[&[&str]] = &[ . &["parsed", "parser"], . &["lhs", "rhs"], . &["tx", "rx"], -- line 149 ---------------------------------------- -- line 155 ---------------------------------------- . &["iter", "item"], . ]; . . /// Characters that look visually similar . const SIMILAR_CHARS: &[(char, char)] = &[('l', 'i'), ('l', '1'), ('i', '1'), ('u', 'v')]; . . /// Return true if two characters are visually similar . fn chars_are_similar(a: char, b: char) -> bool { 15,280 ( 0.00%) a == b || SIMILAR_CHARS.contains(&(a, b)) || SIMILAR_CHARS.contains(&(b, a)) . } . . struct SimilarNamesNameVisitor<'a, 'tcx, 'b>(&'b mut SimilarNamesLocalVisitor<'a, 'tcx>); . . impl<'tcx> Visitor<'tcx> for SimilarNamesNameVisitor<'_, 'tcx, '_> { 36,747 ( 0.00%) fn visit_pat(&mut self, pat: &'tcx Pat) { 30,674 ( 0.00%) match pat.kind { 12,496 ( 0.00%) PatKind::Ident(_, ident, _) => { 6,248 ( 0.00%) if !pat.span.from_expansion() { 1,607 ( 0.00%) self.check_ident(ident); . } . }, . PatKind::Struct(_, _, ref fields, _) => { . for field in fields { 56 ( 0.00%) if !field.is_shorthand { . self.visit_pat(&field.pat); . } . } . }, . // just go through the first pattern, as either all patterns . // bind the same bindings or rustc would have errored much earlier 70 ( 0.00%) PatKind::Or(ref pats) => self.visit_pat(&pats[0]), . _ => walk_pat(self, pat), . } 25,176 ( 0.00%) } . } . . #[must_use] . fn get_exemptions(interned_name: &str) -> Option<&'static [&'static str]> { . ALLOWED_TO_BE_SIMILAR . .iter() . .find(|&&list| allowed_to_be_similar(interned_name, list)) . .copied() . } . . #[must_use] . fn allowed_to_be_similar(interned_name: &str, list: &[&str]) -> bool { . list.iter() 19,677 ( 0.00%) .any(|&name| interned_name.starts_with(name) || interned_name.ends_with(name)) . } . . impl SimilarNamesNameVisitor<'_, '_, '_> { 18 ( 0.00%) fn check_short_ident(&mut self, ident: Ident) { . // Ignore shadowing . if self . .0 . .single_char_names . .iter() . .flatten() . .any(|id| id.name == ident.name) . { . return; . } . . if let Some(scope) = &mut self.0.single_char_names.last_mut() { . scope.push(ident); . } 24 ( 0.00%) } . . fn check_ident(&mut self, ident: Ident) { . let interned_name = ident.name.as_str(); . // name can be empty if it comes from recovery . if interned_name.chars().any(char::is_uppercase) || interned_name.is_empty() { . return; . } . if interned_name.chars().all(|c| c.is_ascii_digit() || c == '_') { -- line 229 ---------------------------------------- -- line 230 ---------------------------------------- . span_lint( . self.0.cx, . JUST_UNDERSCORES_AND_DIGITS, . ident.span, . "consider choosing a more descriptive name", . ); . return; . } 1,536 ( 0.00%) if interned_name.starts_with('_') { . // these bindings are typically unused or represent an ignored portion of a destructuring pattern . return; . } . let count = interned_name.chars().count(); 3,062 ( 0.00%) if count < 3 { 238 ( 0.00%) if count == 1 { 24 ( 0.00%) self.check_short_ident(ident); 376 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::check_short_ident (4x) . } . return; . } . for existing_name in &self.0.names { 7,654 ( 0.00%) if allowed_to_be_similar(interned_name, existing_name.exemptions) { . continue; . } . . let existing_str = existing_name.interned.as_str(); . . // The first char being different is usually enough to set identifiers apart, as long . // as the characters aren't too similar. . if !chars_are_similar( . interned_name.chars().next().expect("len >= 1"), . existing_str.chars().next().expect("len >= 1"), . ) { . continue; . } . . // Skip similarity check if both names are exactly 3 characters 946 ( 0.00%) if count == 3 && existing_name.len == 3 { . continue; . } . 2,874 ( 0.00%) let dissimilar = match existing_name.len.cmp(&count) { 800 ( 0.00%) Ordering::Greater => existing_name.len - count != 1 || levenstein_not_1(interned_name, existing_str), 1,611 ( 0.00%) Ordering::Less => count - existing_name.len != 1 || levenstein_not_1(existing_str, interned_name), . Ordering::Equal => Self::equal_length_strs_not_similar(interned_name, existing_str), . }; . 206 ( 0.00%) if dissimilar { . continue; . } . 28 ( 0.00%) span_lint_and_then( 2,660 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/diagnostics.rs:clippy_utils::diagnostics::span_lint_and_then::::check_ident::{closure#1}> (4x) 4 ( 0.00%) self.0.cx, . SIMILAR_NAMES, 4 ( 0.00%) ident.span, . "binding's name is too similar to existing binding", . |diag| { . diag.span_note(existing_name.span, "existing binding defined here"); . }, . ); . return; . } . self.0.names.push(ExistingName { . interned: ident.name, 1,408 ( 0.00%) span: ident.span, . len: count, . exemptions: get_exemptions(interned_name).unwrap_or(&[]), . }); . } . . fn equal_length_strs_not_similar(interned_name: &str, existing_name: &str) -> bool { . let mut interned_chars = interned_name.chars(); . let mut existing_chars = existing_name.chars(); . let first_i = interned_chars.next().expect("we know we have at least one char"); . let first_e = existing_chars.next().expect("we know we have at least one char"); 1,727 ( 0.00%) let eq_or_numeric = |(a, b): (char, char)| a == b || a.is_numeric() && b.is_numeric(); . . if eq_or_numeric((first_i, first_e)) { . let last_i = interned_chars.next_back().expect("we know we have at least two chars"); . let last_e = existing_chars.next_back().expect("we know we have at least two chars"); . if eq_or_numeric((last_i, last_e)) { 162 ( 0.00%) if interned_chars . .zip(existing_chars) . .filter(|&ie| !eq_or_numeric(ie)) . .count() . != 1 . { . return true; . } . } else { . let second_last_i = interned_chars . .next_back() . .expect("we know we have at least three chars"); . let second_last_e = existing_chars . .next_back() . .expect("we know we have at least three chars"); 3 ( 0.00%) if !eq_or_numeric((second_last_i, second_last_e)) . || second_last_i == '_' . || !interned_chars.zip(existing_chars).all(eq_or_numeric) . { . // allowed similarity foo_x, foo_y . // or too many chars differ (foo_x, boo_y) or (foox, booy) . return true; . } . } -- line 333 ---------------------------------------- -- line 355 ---------------------------------------- . let single_char_count = self.single_char_names.len(); . f(self); . self.names.truncate(n); . self.single_char_names.truncate(single_char_count); . } . } . . impl<'tcx> Visitor<'tcx> for SimilarNamesLocalVisitor<'_, 'tcx> { 18,432 ( 0.00%) fn visit_local(&mut self, local: &'tcx Local) { . if let Some((init, els)) = &local.kind.init_else_opt() { . self.apply(|this| walk_expr(this, init)); . if let Some(els) = els { . self.apply(|this| walk_block(this, els)); . } . } . // add the pattern after the expression because the bindings aren't available . // yet in the init . // expression 8,192 ( 0.00%) SimilarNamesNameVisitor(self).visit_pat(&local.pat); 876,489 ( 0.02%) => site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::visit_pat (1,239x) 16,384 ( 0.00%) } 16,974 ( 0.00%) fn visit_block(&mut self, blk: &'tcx Block) { 175 ( 0.00%) self.single_char_names.push(vec![]); . . self.apply(|this| walk_block(this, blk)); . 3,772 ( 0.00%) self.check_single_char_names(); 5,868 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::check_single_char_names (489x) . self.single_char_names.pop(); 15,080 ( 0.00%) } 5,850 ( 0.00%) fn visit_arm(&mut self, arm: &'tcx Arm) { 88 ( 0.00%) self.single_char_names.push(vec![]); . . self.apply(|this| { 2,600 ( 0.00%) SimilarNamesNameVisitor(this).visit_pat(&arm.pat); 216,163 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::visit_pat (575x) 1,950 ( 0.00%) if let Some(body) = &arm.body { . this.apply(|this| walk_expr(this, body)); . } . }); . 1,300 ( 0.00%) self.check_single_char_names(); 6,950 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::check_single_char_names (575x) . self.single_char_names.pop(); 5,200 ( 0.00%) } . fn visit_item(&mut self, _: &Item) { . // do not recurse into inner items . } . } . . impl EarlyLintPass for NonExpressiveNames { . fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) { 751 ( 0.00%) if item.span.in_external_macro(cx.sess().source_map()) { . return; . } . 288 ( 0.00%) if let ItemKind::Fn(ast::Fn { . ref sig, . body: Some(ref blk), . .. 576 ( 0.00%) }) = item.kind . { 720 ( 0.00%) do_check(self, cx, &item.attrs, &sig.decl, blk); 3,674,581 ( 0.07%) => site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:clippy_lints::non_expressive_names::do_check (144x) . } . } . . fn check_impl_item(&mut self, cx: &EarlyContext<'_>, item: &AssocItem) { 697 ( 0.00%) if item.span.in_external_macro(cx.sess().source_map()) { . return; . } . 134 ( 0.00%) if let AssocItemKind::Fn(ast::Fn { . ref sig, . body: Some(ref blk), . .. 402 ( 0.00%) }) = item.kind . { 536 ( 0.00%) do_check(self, cx, &item.attrs, &sig.decl, blk); 694,167 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:clippy_lints::non_expressive_names::do_check (134x) . } . } . } . 3,058 ( 0.00%) fn do_check(lint: &NonExpressiveNames, cx: &EarlyContext<'_>, attrs: &[Attribute], decl: &FnDecl, blk: &Block) { . if !attrs.iter().any(|attr| attr.has_name(sym::test)) { 2,224 ( 0.00%) let mut visitor = SimilarNamesLocalVisitor { . names: Vec::new(), . cx, . threshold: lint.single_char_binding_names_threshold, 834 ( 0.00%) single_char_names: vec![vec![]], . }; . . // initialize with function arguments . for arg in &decl.inputs { 2,320 ( 0.00%) SimilarNamesNameVisitor(&mut visitor).visit_pat(&arg.pat); 306,786 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::visit_pat (580x) . } . // walk all other bindings . walk_block(&mut visitor, blk); . 278 ( 0.00%) visitor.check_single_char_names(); 3,399 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::check_single_char_names (278x) . } 2,224 ( 0.00%) } . . /// Precondition: `a_name.chars().count() < b_name.chars().count()`. . #[must_use] 103 ( 0.00%) fn levenstein_not_1(a_name: &str, b_name: &str) -> bool { . debug_assert!(a_name.chars().count() < b_name.chars().count()); . let mut a_chars = a_name.chars(); . let mut b_chars = b_name.chars(); 960 ( 0.00%) while let (Some(a), Some(b)) = (a_chars.next(), b_chars.next()) { 954 ( 0.00%) if a == b { . continue; . } . if let Some(b2) = b_chars.next() { . // check if there's just one character inserted 291 ( 0.00%) return a != b2 || a_chars.ne(b_chars); . } . // tuple . // ntuple . return true; . } . // for item in items . true 206 ( 0.00%) } 29,645 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/multi_assignments.rs -------------------------------------------------------------------------------- Ir -- line 27 ---------------------------------------- . pub MULTI_ASSIGNMENTS, . suspicious, . "instead of using `a = b = c;` use `a = c; b = c;`" . } . . declare_lint_pass!(MultiAssignments => [MULTI_ASSIGNMENTS]); . . fn strip_paren_blocks(expr: &Expr) -> &Expr { 528 ( 0.00%) match &expr.kind { . ExprKind::Paren(e) => strip_paren_blocks(e), . ExprKind::Block(b, _) => { 16 ( 0.00%) if let [ . Stmt { . kind: StmtKind::Expr(e), . .. . }, 8 ( 0.00%) ] = &b.stmts[..] . { . strip_paren_blocks(e) . } else { . expr . } . }, . _ => expr, . } . } . . impl EarlyLintPass for MultiAssignments { 148,170 ( 0.00%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 98,780 ( 0.00%) if let ExprKind::Assign(target, source, _) = &expr.kind { 120 ( 0.00%) if let ExprKind::Assign(_target, _source, _) = &strip_paren_blocks(target).kind { . span_lint(cx, MULTI_ASSIGNMENTS, expr.span, "assignments don't nest intuitively"); . } 120 ( 0.00%) if let ExprKind::Assign(_target, _source, _) = &strip_paren_blocks(source).kind { . span_lint(cx, MULTI_ASSIGNMENTS, expr.span, "assignments don't nest intuitively"); . } . } 197,560 ( 0.00%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mut_ptr.rs -------------------------------------------------------------------------------- Ir -- line 467 ---------------------------------------- . #[must_use = "returns a new pointer rather than modifying its argument"] . #[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")] . #[inline(always)] . pub const fn wrapping_offset(self, count: isize) -> *mut T . where . T: Sized, . { . // SAFETY: the `arith_offset` intrinsic has no prerequisites to be called. 356 ( 0.00%) unsafe { intrinsics::arith_offset(self, count) as *mut T } . } . . /// Adds a signed offset in bytes to a pointer using wrapping arithmetic. . /// . /// `count` is in units of **bytes**. . /// . /// This is purely a convenience for casting to a `u8` pointer and . /// using [wrapping_offset][pointer::wrapping_offset] on it. See that method -- line 483 ---------------------------------------- -- line 963 ---------------------------------------- . ( . this: *const () = self as *const (), . count: usize = count, . size: usize = size_of::(), . ) => runtime_add_nowrap(this, count, size) . ); . . // SAFETY: the caller must uphold the safety contract for `offset`. 429,033 ( 0.01%) unsafe { intrinsics::offset(self, count) } . } . . /// Adds an unsigned offset in bytes to a pointer. . /// . /// `count` is in units of bytes. . /// . /// This is purely a convenience for casting to a `u8` pointer and . /// using [add][pointer::add] on it. See that method for documentation -- line 979 ---------------------------------------- -- line 1047 ---------------------------------------- . . if T::IS_ZST { . // Pointer arithmetic does nothing when the pointee is a ZST. . self . } else { . // SAFETY: the caller must uphold the safety contract for `offset`. . // Because the pointee is *not* a ZST, that means that `count` is . // at most `isize::MAX`, and thus the negation cannot overflow. 176,022 ( 0.00%) unsafe { intrinsics::offset(self, intrinsics::unchecked_sub(0, count as isize)) } . } . } . . /// Subtracts an unsigned offset in bytes from a pointer. . /// . /// `count` is in units of bytes. . /// . /// This is purely a convenience for casting to a `u8` pointer and -- line 1063 ---------------------------------------- 139,971 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/drop_forget_ref.rs -------------------------------------------------------------------------------- Ir -- line 73 ---------------------------------------- . declare_lint_pass!(DropForgetRef => [DROP_NON_DROP, FORGET_NON_DROP, MEM_FORGET]); . . const DROP_NON_DROP_SUMMARY: &str = "call to `std::mem::drop` with a value that does not implement `Drop`. \ . Dropping such a type only extends its contained lifetimes"; . const FORGET_NON_DROP_SUMMARY: &str = "call to `std::mem::forget` with a value that does not implement `Drop`. \ . Forgetting such a type is the same as dropping it"; . . impl<'tcx> LateLintPass<'tcx> for DropForgetRef { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 126,653 ( 0.00%) if let ExprKind::Call(path, [arg]) = expr.kind 10,815 ( 0.00%) && let ExprKind::Path(ref qpath) = path.kind 14,420 ( 0.00%) && let Some(def_id) = cx.qpath_res(qpath, path.hir_id).opt_def_id() 88,140 ( 0.00%) => ???:::qpath_res (3,605x) 17,990 ( 0.00%) && let Some(fn_name) = cx.tcx.get_diagnostic_name(def_id) 169,429 ( 0.00%) => ???:::get_diagnostic_name (3,598x) . { 81 ( 0.00%) let arg_ty = cx.typeck_results().expr_ty(arg); 1,080 ( 0.00%) => ???:::expr_ty (27x) 135 ( 0.00%) let is_copy = is_copy(cx, arg_ty); 3,175 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::is_copy (27x) 71 ( 0.00%) let drop_is_single_call_in_arm = is_single_call_in_arm(cx, arg, expr); . let (lint, msg, note_span) = match fn_name { . // early return for uplifted lints: dropping_references, dropping_copy_types, forgetting_references, . // forgetting_copy_types 108 ( 0.00%) sym::mem_drop if arg_ty.is_ref() && !drop_is_single_call_in_arm => return, . sym::mem_forget if arg_ty.is_ref() => return, . sym::mem_drop if is_copy && !drop_is_single_call_in_arm => return, . sym::mem_forget if is_copy => return, . sym::mem_drop if arg_ty.is_lang_item(cx, LangItem::ManuallyDrop) => return, . sym::mem_drop . if !(arg_ty.needs_drop(cx.tcx, cx.typing_env()) . || is_must_use_func_call(cx, arg) . || opt_must_use_path(cx, arg_ty).is_some() -- line 101 ---------------------------------------- -- line 127 ---------------------------------------- . let note = format!("argument has type `{arg_ty}`"); . if let Some(span) = note_span { . diag.span_note(span, note); . } else { . diag.note(note); . } . }); . } 416,360 ( 0.01%) } . } . . // dropping returned value of a function like in the following snippet is considered idiomatic, see . // #9482 for examples match { . // => drop(fn_with_side_effect_and_returning_some_value()), . // .. . // } . fn is_single_call_in_arm<'tcx>(cx: &LateContext<'tcx>, arg: &'tcx Expr<'_>, drop_expr: &'tcx Expr<'_>) -> bool { 81 ( 0.00%) if matches!(arg.kind, ExprKind::Call(..) | ExprKind::MethodCall(..)) 57 ( 0.00%) && let Node::Arm(Arm { body, .. }) = cx.tcx.parent_hir_node(drop_expr.hir_id) 968 ( 0.00%) => ???:::parent_hir_node (11x) . { 2 ( 0.00%) return body.hir_id == drop_expr.hir_id; . } . false . } 10,826 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/minmax.rs -------------------------------------------------------------------------------- Ir -- line 31 ---------------------------------------- . pub MIN_MAX, . correctness, . "`min(_, max(_, _))` (or vice versa) with bounds clamping the result to a constant" . } . . declare_lint_pass!(MinMaxPass => [MIN_MAX]); . . impl<'tcx> LateLintPass<'tcx> for MinMaxPass { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,135 ( 0.00%) if let Some((outer_max, outer_c, oe)) = min_max(cx, expr) 1,969,792 ( 0.04%) => site/frontend/rust-clippy/clippy_lints/src/minmax.rs:clippy_lints::minmax::min_max (52,045x) . && let Some((inner_max, inner_c, ie)) = min_max(cx, oe) . && outer_max != inner_max . && let Some(ord) = Constant::partial_cmp(cx.tcx, cx.typeck_results().expr_ty(ie), &outer_c, &inner_c) . && matches!( . (outer_max, ord), . (MinMax::Max, Equal | Greater) | (MinMax::Min, Equal | Less) . ) . { . span_lint( . cx, . MIN_MAX, . expr.span, . "this `min`/`max` combination leads to constant result", . ); . } 312,270 ( 0.01%) } . } . . #[derive(PartialEq, Eq, Debug, Clone, Copy)] . enum MinMax { . Min, . Max, . } . 364,315 ( 0.01%) fn min_max<'a>(cx: &LateContext<'_>, expr: &'a Expr<'a>) -> Option<(MinMax, Constant, &'a Expr<'a>)> { 241,267 ( 0.00%) match expr.kind { 9,479 ( 0.00%) ExprKind::Call(path, args) => { 28,437 ( 0.00%) if let ExprKind::Path(ref qpath) = path.kind { . cx.typeck_results() 37,916 ( 0.00%) .qpath_res(qpath, path.hir_id) 209,093 ( 0.00%) => ???:::qpath_res (9,479x) . .opt_def_id() 56,790 ( 0.00%) .and_then(|def_id| match cx.tcx.get_diagnostic_name(def_id) { 424,591 ( 0.01%) => ???:::get_diagnostic_name (9,465x) . Some(sym::cmp_min) => fetch_const(cx, expr.span.ctxt(), None, args, MinMax::Min), . Some(sym::cmp_max) => fetch_const(cx, expr.span.ctxt(), None, args, MinMax::Max), . _ => None, . }) . } else { . None . } . }, 4,355 ( 0.00%) ExprKind::MethodCall(path, receiver, args @ [_], _) => { 389 ( 0.00%) let m = match path.ident.name { 1,556 ( 0.00%) sym::max => MinMax::Max, . sym::min => MinMax::Min, . _ => return None, . }; . if cx.typeck_results().expr_ty(receiver).is_floating_point() . || cx.ty_based_def(expr).opt_parent(cx).is_diag_item(cx, sym::Ord) . { . fetch_const(cx, expr.span.ctxt(), Some(receiver), args, m) . } else { . None . } . }, . _ => None, . } 416,360 ( 0.01%) } . . fn fetch_const<'a>( . cx: &LateContext<'_>, . ctxt: SyntaxContext, . receiver: Option<&'a Expr<'a>>, . args: &'a [Expr<'a>], . m: MinMax, . ) -> Option<(MinMax, Constant, &'a Expr<'a>)> { -- line 105 ---------------------------------------- 9,479 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/msrvs.rs -------------------------------------------------------------------------------- Ir -- line 110 ---------------------------------------- . } . } . . impl Msrv { . /// Returns the MSRV at the current node . /// . /// If the crate being linted uses an `#[clippy::msrv]` attribute this will search the parent . /// nodes for that attribute, prefer to run this check after cheaper pattern matching operations 3,297 ( 0.00%) pub fn current(self, cx: &LateContext<'_>) -> Option { 109,927 ( 0.00%) if SEEN_MSRV_ATTR.load(Ordering::Relaxed) { . self.for_attrs(cx.tcx, cx.last_node_with_lint_attrs) . } else { . self.0 . } 4,396 ( 0.00%) } . . /// Returns the MSRV at the specified node . /// . /// If the crate being linted uses an `#[clippy::msrv]` attribute this will search the parent . /// nodes for that attribute, prefer to run this check after cheaper pattern matching operations . pub fn at(self, tcx: TyCtxt<'_>, node: HirId) -> Option { 2 ( 0.00%) if SEEN_MSRV_ATTR.load(Ordering::Relaxed) { . self.for_attrs(tcx, node) . } else { . self.0 . } . } . . fn for_attrs(self, tcx: TyCtxt<'_>, node: HirId) -> Option { . once(node) -- line 139 ---------------------------------------- -- line 141 ---------------------------------------- . .find_map(|id| parse_attrs(tcx.hir_attrs(id))) . .or(self.0) . } . . /// Checks if a required version from [this module](self) is met at the current node . /// . /// If the crate being linted uses an `#[clippy::msrv]` attribute this will search the parent . /// nodes for that attribute, prefer to run this check after cheaper pattern matching operations 544,140 ( 0.01%) pub fn meets(self, cx: &LateContext<'_>, required: RustcVersion) -> bool { 435,312 ( 0.01%) self.current(cx).is_none_or(|msrv| msrv >= required) 435,312 ( 0.01%) } . /// Checks if a required version from [this module](self) is met at the specified node . /// . /// If the crate being linted uses an `#[clippy::msrv]` attribute this will search the parent . /// nodes for that attribute, prefer to run this check after cheaper pattern matching operations . pub fn meets_at(self, tcx: TyCtxt<'_>, node: HirId, required: RustcVersion) -> bool { . self.at(tcx, node).is_none_or(|msrv| msrv >= required) . } . -- line 159 ---------------------------------------- -- line 232 ---------------------------------------- . } . . impl MsrvStack { . pub fn current(&self) -> Option { . self.stack.last().copied() . } . . pub fn meets(&self, required: RustcVersion) -> bool { 267,540 ( 0.00%) self.current().is_none_or(|msrv| msrv >= required) 53,508 ( 0.00%) } . . pub fn check_attributes(&mut self, attrs: &[Attribute]) { . if let Some(version) = parse_attrs(attrs) { . SEEN_MSRV_ATTR.store(true, Ordering::Relaxed); . self.stack.push(version); . } 342,871 ( 0.01%) } . . pub fn check_attributes_post(&mut self, attrs: &[Attribute]) { . if parse_attrs(attrs).is_some() { . self.stack.pop(); . } 342,871 ( 0.01%) } . } . . fn parse_attrs(attrs: &[impl AttributeExt]) -> Option { 16,784 ( 0.00%) let msrv_attr = attrs.iter().find(|attr| attr.path_matches(&[sym::clippy, sym::msrv]))?; 12,652 ( 0.00%) => ???:::path_matches (2,098x) . . let msrv = msrv_attr.value_str()?; . . parse_version(msrv) . } . 524,104 ( 0.01%) pub fn check_attrs(sess: &Session, attrs: &[impl AttributeExt]) { 1,512 ( 0.00%) let mut msrv_attrs = attrs.iter().filter(|attr| attr.path_matches(&[sym::clippy, sym::msrv])); 2,324 ( 0.00%) => ???:::path_matches (378x) . . let Some(msrv_attr) = msrv_attrs.next() else { . return; . }; . . if let Some(duplicate) = msrv_attrs.next_back() { . sess.dcx() . .struct_span_err(duplicate.span(), "`clippy::msrv` is defined multiple times") -- line 274 ---------------------------------------- -- line 280 ---------------------------------------- . sess.dcx().span_err(msrv_attr.span(), "bad clippy attribute"); . return; . }; . . if parse_version(msrv).is_none() { . sess.dcx() . .span_err(msrv_attr.span(), format!("`{msrv}` is not a valid Rust version")); . } 524,104 ( 0.01%) } 109,206 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/local.rs -------------------------------------------------------------------------------- Ir -- line 420 ---------------------------------------- . /// "I am initialized", . /// ); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . pub fn with(&'static self, f: F) -> R . where . F: FnOnce(&T) -> R, . { 755,778 ( 0.01%) match self.try_with(f) { . Ok(r) => r, . Err(err) => panic_access_error(err), . } . } . . /// Acquires a reference to the value in this TLS key. . /// . /// This will lazily initialize the value if this thread has not referenced -- line 436 ---------------------------------------- -- line 455 ---------------------------------------- . /// ); . /// ``` . #[stable(feature = "thread_local_try_with", since = "1.26.0")] . #[inline] . pub fn try_with(&'static self, f: F) -> Result . where . F: FnOnce(&T) -> R, . { 2,978,475 ( 0.06%) let thread_local = unsafe { (self.inner)(None).as_ref().ok_or(AccessError)? }; 45 ( 0.00%) => ???:>>,)>>::call_once (15x) 1,489,186 ( 0.03%) Ok(f(thread_local)) . } . . /// Acquires a reference to the value in this TLS key, initializing it with . /// `init` if it wasn't already initialized on this thread. . /// . /// If `init` was used to initialize the thread local variable, `None` is . /// passed as the first argument to `f`. If it was already initialized, . /// `Some(init)` is passed to `f`. -- line 472 ---------------------------------------- 344 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/lib.rs -------------------------------------------------------------------------------- Ir -- line 128 ---------------------------------------- . /// Methods on `Vec` that also exists on slices. . pub const VEC_METHODS_SHADOWING_SLICE_METHODS: [Symbol; 3] = [sym::as_ptr, sym::is_empty, sym::len]; . . #[macro_export] . macro_rules! extract_msrv_attr { . () => { . fn check_attributes(&mut self, cx: &rustc_lint::EarlyContext<'_>, attrs: &[rustc_ast::ast::Attribute]) { . let sess = rustc_lint::LintContext::sess(cx); 1,356,178 ( 0.03%) self.msrv.check_attributes(attrs); 51,144 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_attributes (15,306x) . } . . fn check_attributes_post(&mut self, cx: &rustc_lint::EarlyContext<'_>, attrs: &[rustc_ast::ast::Attribute]) { . let sess = rustc_lint::LintContext::sess(cx); 1,290,665 ( 0.02%) self.msrv.check_attributes_post(attrs); 51,144 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_attributes_post (15,306x) . } . }; . } . . /// If the given expression is a local binding, find the initializer expression. . /// If that initializer expression is another local binding, find its initializer again. . /// . /// This process repeats as long as possible (but usually no more than once). Initializer -- line 149 ---------------------------------------- -- line 160 ---------------------------------------- . /// . /// // or... . /// let abc = 1; . /// let def = abc + 2; . /// // ^^^^^^^ output . /// dbg!(def); . /// // ^^^ input . /// ``` 2,807 ( 0.00%) pub fn expr_or_init<'a, 'b, 'tcx: 'b>(cx: &LateContext<'tcx>, mut expr: &'a Expr<'b>) -> &'a Expr<'b> { . while let Some(init) = expr . .res_local_id() . .and_then(|id| find_binding_init(cx, id)) 6 ( 0.00%) .filter(|init| cx.typeck_results().expr_adjustments(init).is_empty()) 72 ( 0.00%) => ???:::expr_adjustments (2x) . { . expr = init; . } . expr 1,683 ( 0.00%) } . . /// Finds the initializer expression for a local binding. Returns `None` if the binding is mutable. . /// . /// By only considering immutable bindings, we guarantee that the returned expression represents the . /// value of the binding wherever it is referenced. . /// . /// Example: For `let x = 1`, if the `HirId` of `x` is provided, the `Expr` `1` is returned. . /// Note: If you have an expression that references a binding `x`, use `path_to_local` to get the . /// canonical binding `HirId`. 84 ( 0.00%) pub fn find_binding_init<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<&'tcx Expr<'tcx>> { 198 ( 0.00%) if let Node::Pat(pat) = cx.tcx.hir_node(hir_id) 728 ( 0.00%) => ???:::hir_node (14x) 138 ( 0.00%) && matches!(pat.kind, PatKind::Binding(BindingMode::NONE, ..)) 144 ( 0.00%) && let Node::LetStmt(local) = cx.tcx.parent_hir_node(hir_id) 1,056 ( 0.00%) => ???:::parent_hir_node (12x) . { 9 ( 0.00%) return local.init; . } . None 70 ( 0.00%) } . . /// Checks if the given local has an initializer or is from something other than a `let` statement . /// . /// e.g. returns true for `x` in `fn f(x: usize) { .. }` and `let x = 1;` but false for `let x;` . pub fn local_is_initialized(cx: &LateContext<'_>, local: HirId) -> bool { . for (_, node) in cx.tcx.hir_parent_iter(local) { . match node { . Node::Pat(..) | Node::PatField(..) => {}, -- line 203 ---------------------------------------- -- line 216 ---------------------------------------- . /// `tcx.hir_is_inside_const_context(_)`. . /// . /// Do not call this unless the `LateContext` has an enclosing body. For release build this case . /// will safely return `false`, but debug builds will ICE. Note that `check_expr`, `check_block`, . /// `check_pat` and a few other entry points will always have an enclosing body. Some entry points . /// like `check_path` or `check_ty` may or may not have one. . pub fn is_in_const_context(cx: &LateContext<'_>) -> bool { . debug_assert!(cx.enclosing_body.is_some(), "`LateContext` has no enclosing body"); 41,424 ( 0.00%) cx.enclosing_body.is_some_and(|id| { 20,712 ( 0.00%) cx.tcx 103,560 ( 0.00%) .hir_body_const_context(cx.tcx.hir_body_owner_def_id(id)) 3,178,918 ( 0.06%) => ???:::hir_body_const_context (20,712x) 2,132,288 ( 0.04%) => ???:::hir_body_owner_def_id (20,712x) . .is_some() . }) 20,712 ( 0.00%) } . . /// Returns `true` if the given `HirId` is inside an always constant context. . /// . /// This context includes: . /// * const/static items . /// * const blocks (or inline consts) . /// * associated constants 112 ( 0.00%) pub fn is_inside_always_const_context(tcx: TyCtxt<'_>, hir_id: HirId) -> bool { . use rustc_hir::ConstContext::{Const, ConstFn, Static}; 448 ( 0.00%) let Some(ctx) = tcx.hir_body_const_context(tcx.hir_enclosing_body_owner(hir_id)) else { 30,057 ( 0.00%) => ???:::hir_enclosing_body_owner (56x) 8,495 ( 0.00%) => ???:::hir_body_const_context (56x) . return false; . }; . match ctx { . ConstFn => false, . Static(_) . | Const { . allow_const_fn_promotion: _, . } => true, . } 112 ( 0.00%) } . . /// Checks if `{ctor_call_id}(...)` is `{enum_item}::{variant_name}(...)`. . pub fn is_enum_variant_ctor( . cx: &LateContext<'_>, . enum_item: Symbol, . variant_name: Symbol, . ctor_call_id: DefId, . ) -> bool { -- line 257 ---------------------------------------- -- line 277 ---------------------------------------- . }, . _ => did, . }; . . cx.tcx.is_diagnostic_item(item, did) . } . . /// Checks if the `DefId` matches the given `LangItem` or it's constructor. 3,200 ( 0.00%) pub fn is_lang_item_or_ctor(cx: &LateContext<'_>, did: DefId, item: LangItem) -> bool { 2,240 ( 0.00%) let did = match cx.tcx.def_kind(did) { . DefKind::Ctor(..) => cx.tcx.parent(did), . // Constructors for types in external crates seem to have `DefKind::Variant` . DefKind::Variant => match cx.tcx.opt_parent(did) { . Some(did) if matches!(cx.tcx.def_kind(did), DefKind::Variant) => did, . _ => did, . }, . _ => did, . }; . 640 ( 0.00%) cx.tcx.lang_items().get(item) == Some(did) 9,600 ( 0.00%) => ???:::lang_items (320x) 2,560 ( 0.00%) } . . /// Checks is `expr` is `None` . pub fn is_none_expr(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 15 ( 0.00%) expr.basic_res().ctor_parent(cx).is_lang_item(cx, OptionNone) 1,530 ( 0.00%) } . . /// If `expr` is `Some(inner)`, returns `inner` 117 ( 0.00%) pub fn as_some_expr<'tcx>(cx: &LateContext<'_>, expr: &'tcx Expr<'tcx>) -> Option<&'tcx Expr<'tcx>> { 264 ( 0.00%) if let ExprKind::Call(e, [arg]) = expr.kind 40 ( 0.00%) && e.basic_res().ctor_parent(cx).is_lang_item(cx, OptionSome) . { . Some(arg) . } else { . None . } 117 ( 0.00%) } . . /// Check if the given `Expr` is an empty block (i.e. `{}`) or not. . pub fn is_empty_block(expr: &Expr<'_>) -> bool { . matches!( . expr.kind, . ExprKind::Block( . Block { . stmts: [], -- line 321 ---------------------------------------- -- line 324 ---------------------------------------- . }, . _, . ) . ) . } . . /// Checks if `expr` is an empty block or an empty tuple. . pub fn is_unit_expr(expr: &Expr<'_>) -> bool { 290 ( 0.00%) matches!( 196 ( 0.00%) expr.kind, . ExprKind::Block( . Block { 6 ( 0.00%) stmts: [], . expr: None, . .. . }, . _ . ) | ExprKind::Tup([]) . ) . } . . /// Checks if given pattern is a wildcard (`_`) . pub fn is_wild(pat: &Pat<'_>) -> bool { 70 ( 0.00%) matches!(pat.kind, PatKind::Wild) . } . . /// If `pat` is: . /// - `Some(inner)`, returns `inner` . /// - it will _usually_ contain just one element, but could have two, given patterns like . /// `Some(inner, ..)` or `Some(.., inner)` . /// - `Some`, returns `[]` . /// - otherwise, returns `None` 150 ( 0.00%) pub fn as_some_pattern<'a, 'hir>(cx: &LateContext<'_>, pat: &'a Pat<'hir>) -> Option<&'a [Pat<'hir>]> { 116 ( 0.00%) if let PatKind::TupleStruct(ref qpath, inner, _) = pat.kind 44 ( 0.00%) && cx 110 ( 0.00%) .qpath_res(qpath, pat.hir_id) 506 ( 0.00%) => ???:::qpath_res (22x) 22 ( 0.00%) .ctor_parent(cx) . .is_lang_item(cx, OptionSome) . { . Some(inner) . } else { . None . } 200 ( 0.00%) } . . /// Checks if the `pat` is `None`. . pub fn is_none_pattern(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool { 3,774 ( 0.00%) matches!(pat.kind, 356 ( 0.00%) PatKind::Expr(PatExpr { kind: PatExprKind::Path(qpath), .. }) 2,136 ( 0.00%) if cx.qpath_res(qpath, pat.hir_id).ctor_parent(cx).is_lang_item(cx, OptionNone)) 6,900 ( 0.00%) => ???:::qpath_res (300x) 1,153 ( 0.00%) } . . /// Checks if `arm` has the form `None => None`. 1,200 ( 0.00%) pub fn is_none_arm(cx: &LateContext<'_>, arm: &Arm<'_>) -> bool { 322 ( 0.00%) is_none_pattern(cx, arm.pat) . && matches!( 66 ( 0.00%) peel_blocks(arm.body).kind, 3 ( 0.00%) ExprKind::Path(qpath) 16 ( 0.00%) if cx.qpath_res(&qpath, arm.body.hir_id).ctor_parent(cx).is_lang_item(cx, OptionNone) 69 ( 0.00%) => ???:::qpath_res (3x) . ) 1,400 ( 0.00%) } . . /// Checks if the given `QPath` belongs to a type alias. . pub fn is_ty_alias(qpath: &QPath<'_>) -> bool { 2,754 ( 0.00%) match *qpath { 17,460 ( 0.00%) QPath::Resolved(_, path) => matches!(path.res, Res::Def(DefKind::TyAlias | DefKind::AssocTy, ..)), 243 ( 0.00%) QPath::TypeRelative(ty, _) if let TyKind::Path(qpath) = ty.kind => is_ty_alias(&qpath), 414 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_ty_alias'2 (27x) . QPath::TypeRelative(..) => false, . } 1,377 ( 0.00%) } . . /// Checks if the `def_id` belongs to a function that is part of a trait impl. . pub fn is_def_id_trait_method(cx: &LateContext<'_>, def_id: LocalDefId) -> bool { . if let Node::Item(item) = cx.tcx.parent_hir_node(cx.tcx.local_def_id_to_hir_id(def_id)) . && let ItemKind::Impl(imp) = item.kind . { . imp.of_trait.is_some() . } else { . false . } . } . . pub fn last_path_segment<'tcx>(path: &QPath<'tcx>) -> &'tcx PathSegment<'tcx> { 6,092 ( 0.00%) match *path { 6,088 ( 0.00%) QPath::Resolved(_, path) => path.segments.last().expect("A path must have at least one segment"), . QPath::TypeRelative(_, seg) => seg, . } 2,972 ( 0.00%) } . . pub fn qpath_generic_tys<'tcx>(qpath: &QPath<'tcx>) -> impl Iterator> { 74 ( 0.00%) last_path_segment(qpath) . .args . .map_or(&[][..], |a| a.args) . .iter() 222 ( 0.00%) .filter_map(|a| match a { . GenericArg::Type(ty) => Some(ty.as_unambig_ty()), . _ => None, . }) 74 ( 0.00%) } . . /// If the expression is a path to a local (with optional projections), . /// returns the canonical `HirId` of the local. . /// . /// For example, `x.field[0].field2` would return the `HirId` of `x`. . pub fn path_to_local_with_projections(expr: &Expr<'_>) -> Option { . match expr.kind { . ExprKind::Field(recv, _) | ExprKind::Index(recv, _, _) => path_to_local_with_projections(recv), -- line 430 ---------------------------------------- -- line 448 ---------------------------------------- . /// impl std::ops::Add for Point { . /// type Output = Self; . /// . /// fn add(self, other: Self) -> Self { . /// Point(0, 0) . /// } . /// } . /// ``` 3,432 ( 0.00%) pub fn trait_ref_of_method<'tcx>(cx: &LateContext<'tcx>, owner: OwnerId) -> Option<&'tcx TraitRef<'tcx>> { 3,003 ( 0.00%) if let Node::Item(item) = cx.tcx.hir_node(cx.tcx.hir_owner_parent(owner)) 22,308 ( 0.00%) => ???:::hir_node (429x) 858 ( 0.00%) && let ItemKind::Impl(impl_) = &item.kind 429 ( 0.00%) && let Some(of_trait) = impl_.of_trait . { . return Some(&of_trait.trait_ref); . } . None 3,432 ( 0.00%) } . . /// This method will return tuple of projection stack and root of the expression, . /// used in `can_mut_borrow_both`. . /// . /// For example, if `e` represents the `v[0].a.b[x]` . /// this method will return a tuple, composed of a `Vec` . /// containing the `Expr`s for `v[0], v[0].a, v[0].a.b, v[0].a.b[x]` . /// and an `Expr` for root of them, `v` -- line 472 ---------------------------------------- -- line 544 ---------------------------------------- . sym::LinkedList, . sym::HashMap, . sym::BTreeMap, . sym::HashSet, . sym::BTreeSet, . sym::BinaryHeap, . ]; . 4 ( 0.00%) if let QPath::TypeRelative(_, method) = path 2 ( 0.00%) && method.ident.name == sym::new . && let Some(impl_did) = cx.tcx.impl_of_assoc(def_id) . && let Some(adt) = cx . .tcx . .type_of(impl_did) . .instantiate_identity() . .skip_norm_wip() . .ty_adt_def() . { . return Some(adt.did()) == cx.tcx.lang_items().string() . || (cx.tcx.get_diagnostic_name(adt.did())).is_some_and(|adt_name| std_types_symbols.contains(&adt_name)); . } . false . } . . /// Returns true if the expr is equal to `Default::default` when evaluated. 30 ( 0.00%) pub fn is_default_equivalent_call( . cx: &LateContext<'_>, . repl_func: &Expr<'_>, . whole_call_expr: Option<&Expr<'_>>, . ) -> bool { 14 ( 0.00%) if let ExprKind::Path(ref repl_func_qpath) = repl_func.kind 14 ( 0.00%) && let Some(repl_def) = cx.qpath_res(repl_func_qpath, repl_func.hir_id).opt_def(cx) 156 ( 0.00%) => ???:::qpath_res (2x) 8 ( 0.00%) && (repl_def.assoc_fn_parent(cx).is_diag_item(cx, sym::Default) 2 ( 0.00%) || is_default_equivalent_ctor(cx, repl_def.1, repl_func_qpath)) . { . return true; . } . . // Get the type of the whole method call expression, find the exact method definition, look at . // its body and check if it is similar to the corresponding `Default::default()` body. 6 ( 0.00%) let Some(e) = whole_call_expr else { return false }; . let Some(default_fn_def_id) = cx.tcx.get_diagnostic_item(sym::default_fn) else { . return false; . }; . let Some(ty) = cx.tcx.typeck(e.hir_id.owner.def_id).expr_ty_adjusted_opt(e) else { . return false; . }; . let args = rustc_ty::GenericArgs::for_item(cx.tcx, default_fn_def_id, |param, _| { . if let rustc_ty::GenericParamDefKind::Lifetime = param.kind { -- line 592 ---------------------------------------- -- line 651 ---------------------------------------- . { . return true; . }, . _ => {}, . } . } . } . false 24 ( 0.00%) } . . /// Returns true if the expr is equal to `Default::default()` of its type when evaluated. . /// . /// It doesn't cover all cases, like struct literals, but it is a close approximation. 13 ( 0.00%) pub fn is_default_equivalent(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { 8 ( 0.00%) match &e.kind { . ExprKind::Lit(lit) => match lit.node { . LitKind::Bool(false) | LitKind::Int(Pu128(0), _) => true, . LitKind::Str(s, _) => s.is_empty(), . _ => false, . }, . ExprKind::Tup(items) | ExprKind::Array(items) => items.iter().all(|x| is_default_equivalent(cx, x)), . ExprKind::Repeat(x, len) => { . if let ConstArgKind::Anon(anon_const) = len.kind -- line 673 ---------------------------------------- -- line 686 ---------------------------------------- . ExprKind::Path(qpath) => cx . .qpath_res(qpath, e.hir_id) . .ctor_parent(cx) . .is_lang_item(cx, OptionNone), . ExprKind::AddrOf(rustc_hir::BorrowKind::Ref, _, expr) => matches!(expr.kind, ExprKind::Array([])), . ExprKind::Block(Block { stmts: [], expr, .. }, _) => expr.is_some_and(|e| is_default_equivalent(cx, e)), . _ => false, . } 8 ( 0.00%) } . . fn is_default_equivalent_from(cx: &LateContext<'_>, from_func: &Expr<'_>, arg: &Expr<'_>) -> bool { . if let ExprKind::Path(QPath::TypeRelative(ty, seg)) = from_func.kind . && seg.ident.name == sym::from . { . match arg.kind { . ExprKind::Lit(hir::Lit { . node: LitKind::Str(sym, _), -- line 702 ---------------------------------------- -- line 743 ---------------------------------------- . /// `ignore_locals` set. The type `(usize, &mut String)` can have the second element moved, so it . /// isn't always safe to move into a closure when only a single field is needed. . /// . /// When called on the `continue` expression this will return false unless the outer loop expression . /// is in the `loop_ids` set. . /// . /// Note that this check is not recursive, so passing the `if` expression will always return true . /// even though sub-expressions might return false. 6 ( 0.00%) pub fn can_move_expr_to_closure_no_visit<'tcx>( . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'_>, . loop_ids: &[HirId], . ignore_locals: &HirIdSet, . ) -> bool { 21 ( 0.00%) match expr.kind { . ExprKind::Break(Destination { target_id: Ok(id), .. }, _) . | ExprKind::Continue(Destination { target_id: Ok(id), .. }) . if loop_ids.contains(&id) => . { . true . }, . ExprKind::Break(..) . | ExprKind::Continue(_) -- line 765 ---------------------------------------- -- line 770 ---------------------------------------- . // partially moved. . ExprKind::Field( . &Expr { . hir_id, . kind: . ExprKind::Path(QPath::Resolved( . _, . Path { 1 ( 0.00%) res: Res::Local(local_id), . .. . }, . )), . .. . }, . _, 8 ( 0.00%) ) if !ignore_locals.contains(local_id) && can_partially_move_ty(cx, cx.typeck_results().node_type(hir_id)) => { 1,128 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::can_partially_move_ty (1x) 41 ( 0.00%) => ???:::node_type (1x) . // TODO: check if the local has been partially moved. Assume it has for now. . false . }, . _ => true, . } 8 ( 0.00%) } . . /// How a local is captured by a closure 12 ( 0.00%) #[derive(Debug, Clone, Copy, PartialEq, Eq)] . pub enum CaptureKind { . Value, . Use, . Ref(Mutability), . } . impl CaptureKind { . pub fn is_imm_ref(self) -> bool { . self == Self::Ref(Mutability::Not) -- line 802 ---------------------------------------- -- line 820 ---------------------------------------- . } . } . . /// Given an expression referencing a local, determines how it would be captured in a closure. . /// . /// Note as this will walk up to parent expressions until the capture can be determined it should . /// only be used while making a closure somewhere a value is consumed. e.g. a block, match arm, or . /// function argument (other than a receiver). 81 ( 0.00%) pub fn capture_local_usage(cx: &LateContext<'_>, e: &Expr<'_>) -> CaptureKind { . fn pat_capture_kind(cx: &LateContext<'_>, pat: &Pat<'_>) -> CaptureKind { . let mut capture = CaptureKind::Ref(Mutability::Not); . pat.each_binding_or_first(&mut |_, id, span, _| match cx . .typeck_results() . .extract_binding_mode(cx.sess(), id, span) . .0 . { . ByRef::No if !is_copy(cx, cx.typeck_results().node_type(id)) => { -- line 836 ---------------------------------------- -- line 847 ---------------------------------------- . debug_assert!(matches!( . e.kind, . ExprKind::Path(QPath::Resolved(None, Path { res: Res::Local(_), .. })) . )); . . let mut capture = CaptureKind::Value; . let mut capture_expr_ty = e; . 99 ( 0.00%) for (parent, child_id) in hir_parent_with_src_iter(cx.tcx, e.hir_id) { 21 ( 0.00%) if let [ . Adjustment { . kind: Adjust::Deref(_) | Adjust::Borrow(AutoBorrow::Ref(..)), . target, . }, . ref adjust @ .., 15 ( 0.00%) ] = *cx . .typeck_results() . .adjustments() . .get(child_id) . .map_or(&[][..], |x| &**x) 9 ( 0.00%) && let rustc_ty::RawPtr(_, mutability) | rustc_ty::Ref(_, _, mutability) = 3 ( 0.00%) *adjust.last().map_or(target, |a| a.target).kind() . { . return CaptureKind::Ref(mutability); . } . 24 ( 0.00%) match parent { 84 ( 0.00%) Node::Expr(e) => match e.kind { 8 ( 0.00%) ExprKind::AddrOf(_, mutability, _) => return CaptureKind::Ref(mutability), . ExprKind::Index(..) | ExprKind::Unary(UnOp::Deref, _) => capture = CaptureKind::Ref(Mutability::Not), 2 ( 0.00%) ExprKind::Assign(lhs, ..) | ExprKind::AssignOp(_, lhs, _) if lhs.hir_id == child_id => { . return CaptureKind::Ref(Mutability::Mut); . }, . ExprKind::Field(..) => { . if capture == CaptureKind::Value { . capture_expr_ty = e; . } . }, . ExprKind::Let(let_expr) => { -- line 885 ---------------------------------------- -- line 911 ---------------------------------------- . } . . if capture == CaptureKind::Value && is_copy(cx, cx.typeck_results().expr_ty(capture_expr_ty)) { . // Copy types are never automatically captured by value. . CaptureKind::Ref(Mutability::Not) . } else { . capture . } 81 ( 0.00%) } . . /// Checks if the expression can be moved into a closure as is. This will return a list of captures . /// if so, otherwise, `None`. 210 ( 0.00%) pub fn can_move_expr_to_closure<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> Option> { . struct V<'cx, 'tcx> { . cx: &'cx LateContext<'tcx>, . // Stack of potential break targets contained in the expression. . loops: Vec, . /// Local variables created in the expression. These don't need to be captured. . locals: HirIdSet, . /// Whether this expression can be turned into a closure. . allow_closure: bool, . /// Locals which need to be captured, and whether they need to be by value, reference, or . /// mutable reference. . captures: HirIdMap, . } . impl<'tcx> Visitor<'tcx> for V<'_, 'tcx> { 315 ( 0.00%) fn visit_expr(&mut self, e: &'tcx Expr<'_>) { 90 ( 0.00%) if !self.allow_closure { . return; . } . 219 ( 0.00%) match e.kind { . ExprKind::Path(QPath::Resolved(None, &Path { res: Res::Local(l), .. })) => { . if !self.locals.contains(&l) { . let cap = capture_local_usage(self.cx, e); . self.captures.entry(l).and_modify(|e| *e |= cap).or_insert(cap); . } . }, 41 ( 0.00%) ExprKind::Closure(closure) => { 205 ( 0.00%) for capture in self.cx.typeck_results().closure_min_captures_flattened(closure.def_id) { 1,067 ( 0.00%) => ???:::closure_min_captures_flattened (41x) 135 ( 0.00%) let local_id = match capture.place.base { . PlaceBase::Local(id) => id, . PlaceBase::Upvar(var) => var.var_path.hir_id, . _ => continue, . }; 15 ( 0.00%) if !self.locals.contains(&local_id) { 165 ( 0.00%) let capture = match capture.info.capture_kind { . UpvarCapture::ByValue => CaptureKind::Value, . UpvarCapture::ByUse => CaptureKind::Use, 30 ( 0.00%) UpvarCapture::ByRef(kind) => match kind { . BorrowKind::Immutable => CaptureKind::Ref(Mutability::Not), . BorrowKind::UniqueImmutable | BorrowKind::Mutable => { . CaptureKind::Ref(Mutability::Mut) . }, . }, . }; . self.captures . .entry(local_id) -- line 968 ---------------------------------------- -- line 972 ---------------------------------------- . } . }, . ExprKind::Loop(b, ..) => { . self.loops.push(e.hir_id); . self.visit_block(b); . self.loops.pop(); . }, . _ => { 16 ( 0.00%) self.allow_closure &= can_move_expr_to_closure_no_visit(self.cx, e, &self.loops, &self.locals); 12 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::can_move_expr_to_closure_no_visit (1x) 20 ( 0.00%) walk_expr(self, e); 1,361 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr:: (1x) . }, . } 344 ( 0.00%) } . . fn visit_pat(&mut self, p: &'tcx Pat<'tcx>) { . p.each_binding_or_first(&mut |_, id, _, _| { . self.locals.insert(id); . }); . } . } . 756 ( 0.00%) let mut v = V { . cx, . loops: Vec::new(), . locals: HirIdSet::default(), . allow_closure: true, . captures: HirIdMap::default(), . }; 84 ( 0.00%) v.visit_expr(expr); 11,359 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:::visit_expr (42x) 4 ( 0.00%) v.allow_closure.then_some(v.captures) 252 ( 0.00%) } . . /// Arguments of a method: the receiver and all the additional arguments. . pub type MethodArguments<'tcx> = Vec<(&'tcx Expr<'tcx>, &'tcx [Expr<'tcx>])>; . . /// Returns the method names and argument list of nested method call expressions that make up . /// `expr`. method/span lists are sorted with the most recent call first. . pub fn method_calls<'tcx>(expr: &'tcx Expr<'tcx>, max_depth: usize) -> (Vec, MethodArguments<'tcx>, Vec) { . let mut method_names = Vec::with_capacity(max_depth); -- line 1010 ---------------------------------------- -- line 1030 ---------------------------------------- . } . . /// Matches an `Expr` against a chain of methods, and return the matched `Expr`s. . /// . /// For example, if `expr` represents the `.baz()` in `foo.bar().baz()`, . /// `method_chain_args(expr, &[sym::bar, sym::baz])` will return a `Vec` . /// containing the `Expr`s for . /// `.bar()` and `.baz()` 10,500 ( 0.00%) pub fn method_chain_args<'a>(expr: &'a Expr<'_>, methods: &[Symbol]) -> Option, &'a [Expr<'a>])>> { . let mut current = expr; . let mut matched = Vec::with_capacity(methods.len()); . for method_name in methods.iter().rev() { . // method chains are stored last -> first 3,379 ( 0.00%) if let ExprKind::MethodCall(path, receiver, args, _) = current.kind { 379 ( 0.00%) if path.ident.name == *method_name { . if receiver.span.from_expansion() || args.iter().any(|e| e.span.from_expansion()) { . return None; . } . matched.push((receiver, args)); // build up `matched` backwards . current = receiver; // go to parent expression . } else { . return None; . } . } else { . return None; . } . } . // Reverse `matched` so that it is in the same order as `methods`. . matched.reverse(); . Some(matched) 13,500 ( 0.00%) } . . /// Returns `true` if the provided `def_id` is an entrypoint to a program. 1,314 ( 0.00%) pub fn is_entrypoint_fn(cx: &LateContext<'_>, def_id: DefId) -> bool { 146 ( 0.00%) cx.tcx . .entry_fn(()) . .is_some_and(|(entry_fn_def_id, _)| def_id == entry_fn_def_id) 1,168 ( 0.00%) } . . /// Returns `true` if the expression is in the program's `#[panic_handler]`. . pub fn is_in_panic_handler(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { . let parent = cx.tcx.hir_get_parent_item(e.hir_id); . Some(parent.to_def_id()) == cx.tcx.lang_items().panic_impl() . } . . /// Gets the name of the item the expression is in, if available. 105 ( 0.00%) pub fn parent_item_name(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option { 90 ( 0.00%) let parent_id = cx.tcx.hir_get_parent_item(expr.hir_id).def_id; 285 ( 0.00%) => ???:::hir_get_parent_item (15x) 81 ( 0.00%) match cx.tcx.hir_node_by_def_id(parent_id) { 9 ( 0.00%) Node::Item(item) => item.kind.ident().map(|ident| ident.name), 6 ( 0.00%) Node::TraitItem(TraitItem { ident, .. }) | Node::ImplItem(ImplItem { ident, .. }) => Some(ident.name), . _ => None, . } 120 ( 0.00%) } . . pub struct ContainsName<'a, 'tcx> { . pub cx: &'a LateContext<'tcx>, . pub name: Symbol, . } . . impl<'tcx> Visitor<'tcx> for ContainsName<'_, 'tcx> { . type Result = ControlFlow<()>; -- line 1091 ---------------------------------------- -- line 1108 ---------------------------------------- . pub fn contains_name<'tcx>(name: Symbol, expr: &'tcx Expr<'_>, cx: &LateContext<'tcx>) -> bool { . let mut cn = ContainsName { cx, name }; . cn.visit_expr(expr).is_break() . } . . /// Returns `true` if `expr` contains a return expression . pub fn contains_return<'tcx>(expr: impl Visitable<'tcx>) -> bool { . for_each_expr_without_closures(expr, |e| { 2 ( 0.00%) if matches!(e.kind, ExprKind::Ret(..)) { . ControlFlow::Break(()) . } else { . ControlFlow::Continue(()) . } . }) . .is_some() . } . . /// Gets the parent expression, if any –- this is useful to constrain a lint. 20,898 ( 0.00%) pub fn get_parent_expr<'tcx>(cx: &LateContext<'tcx>, e: &Expr<'_>) -> Option<&'tcx Expr<'tcx>> { 41,796 ( 0.00%) get_parent_expr_for_hir(cx, e.hir_id) 41,796 ( 0.00%) } . . /// This retrieves the parent for the given `HirId` if it's an expression. This is useful for . /// constraint lints 531 ( 0.00%) pub fn get_parent_expr_for_hir<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<&'tcx Expr<'tcx>> { 84,324 ( 0.00%) match cx.tcx.parent_hir_node(hir_id) { 352 ( 0.00%) => ???:::parent_hir_node (4x) . Node::Expr(parent) => Some(parent), . _ => None, . } 354 ( 0.00%) } . . /// Gets the enclosing block, if any. 152 ( 0.00%) pub fn get_enclosing_block<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<&'tcx Block<'tcx>> { 76 ( 0.00%) let enclosing_node = cx . .tcx 152 ( 0.00%) .hir_get_enclosing_scope(hir_id) 14,776 ( 0.00%) => ???:::hir_get_enclosing_scope (76x) 228 ( 0.00%) .map(|enclosing_id| cx.tcx.hir_node(enclosing_id)); 3,952 ( 0.00%) => ???:::hir_node (76x) 456 ( 0.00%) enclosing_node.and_then(|node| match node { . Node::Block(block) => Some(block), . Node::Item(&Item { . kind: ItemKind::Fn { body: eid, .. }, . .. . }) . | Node::ImplItem(&ImplItem { . kind: ImplItemKind::Fn(_, eid), . .. -- line 1153 ---------------------------------------- -- line 1156 ---------------------------------------- . kind: TraitItemKind::Fn(_, TraitFn::Provided(eid)), . .. . }) => match cx.tcx.hir_body(eid).value.kind { . ExprKind::Block(block, _) => Some(block), . _ => None, . }, . _ => None, . }) 228 ( 0.00%) } . . /// Returns the [`Closure`] enclosing `hir_id`, if any. . pub fn get_enclosing_closure<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<&'tcx Closure<'tcx>> { . cx.tcx.hir_parent_iter(hir_id).find_map(|(_, node)| { . if let Node::Expr(expr) = node . && let ExprKind::Closure(closure) = expr.kind . { . Some(closure) -- line 1172 ---------------------------------------- -- line 1203 ---------------------------------------- . Node::Stmt(_) | Node::Block(_) | Node::LetStmt(_) | Node::Arm(_) | Node::ExprField(_) => (), . _ => break, . } . } . None . } . . /// Gets the parent node if it's an impl block. 6 ( 0.00%) pub fn get_parent_as_impl(tcx: TyCtxt<'_>, id: HirId) -> Option<&Impl<'_>> { 42 ( 0.00%) match tcx.hir_parent_iter(id).next() { . Some(( . _, . Node::Item(Item { . kind: ItemKind::Impl(imp), . .. . }), . )) => Some(imp), . _ => None, . } 12 ( 0.00%) } . . /// Removes blocks around an expression, only if the block contains just one expression . /// and no statements. Unsafe blocks are not removed. . /// . /// Examples: . /// * `{}` -> `{}` . /// * `{ x }` -> `x` . /// * `{{ x }}` -> `x` . /// * `{ x; }` -> `{ x; }` . /// * `{ x; y }` -> `{ x; y }` . /// * `{ unsafe { x } }` -> `unsafe { x }` . pub fn peel_blocks<'a>(mut expr: &'a Expr<'a>) -> &'a Expr<'a> { 3,777 ( 0.00%) while let ExprKind::Block( . Block { 1,542 ( 0.00%) stmts: [], . expr: Some(inner), . rules: BlockCheckMode::DefaultBlock, . .. . }, . _, 2,626 ( 0.00%) ) = expr.kind . { . expr = inner; . } . expr . } . . /// Removes blocks around an expression, only if the block contains just one expression . /// or just one expression statement with a semicolon. Unsafe blocks are not removed. -- line 1251 ---------------------------------------- -- line 1252 ---------------------------------------- . /// . /// Examples: . /// * `{}` -> `{}` . /// * `{ x }` -> `x` . /// * `{ x; }` -> `x` . /// * `{{ x; }}` -> `x` . /// * `{ x; y }` -> `{ x; y }` . /// * `{ unsafe { x } }` -> `unsafe { x }` 16 ( 0.00%) pub fn peel_blocks_with_stmt<'a>(mut expr: &'a Expr<'a>) -> &'a Expr<'a> { 4,262 ( 0.00%) while let ExprKind::Block( . Block { 3,248 ( 0.00%) stmts: [], . expr: Some(inner), . rules: BlockCheckMode::DefaultBlock, . .. . } . | Block { . stmts: . [ . Stmt { 193 ( 0.00%) kind: StmtKind::Expr(inner) | StmtKind::Semi(inner), . .. . }, . ], . expr: None, . rules: BlockCheckMode::DefaultBlock, . .. . }, . _, 1,837 ( 0.00%) ) = expr.kind . { 419 ( 0.00%) expr = inner; . } . expr 16 ( 0.00%) } . . /// Checks if the given expression is the else clause of either an `if` or `if let` expression. 2,583 ( 0.00%) pub fn is_else_clause(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool { 1,722 ( 0.00%) let mut iter = tcx.hir_parent_iter(expr.hir_id); 2,418 ( 0.00%) match iter.next() { . Some(( . _, . Node::Expr(Expr { . kind: ExprKind::If(_, _, Some(else_expr)), . .. . }), . )) => else_expr.hir_id == expr.hir_id, . _ => false, . } 3,444 ( 0.00%) } . . /// Checks if the given expression is a part of `let else` . /// returns `true` for both the `init` and the `else` part . pub fn is_inside_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool { . hir_parent_with_src_iter(tcx, expr.hir_id).any(|(node, child_id)| { . matches!( . node, . Node::LetStmt(LetStmt { -- line 1309 ---------------------------------------- -- line 1343 ---------------------------------------- . }) . } else { . false . } . } . . /// Checks whether the given expression is a constant literal of the given value. . pub fn is_integer_literal(expr: &Expr<'_>, value: u128) -> bool { 536 ( 0.00%) if let ExprKind::Lit(spanned) = expr.kind 24 ( 0.00%) && let LitKind::Int(v, _) = spanned.node . { . return v == value; . } . false . } . . /// Checks whether the given expression is an untyped integer literal. . pub fn is_integer_literal_untyped(expr: &Expr<'_>) -> bool { -- line 1360 ---------------------------------------- -- line 1380 ---------------------------------------- . . /// Returns `true` if the given `Expr` has been coerced before. . /// . /// Examples of coercions can be found in the Nomicon at . /// . . /// . /// See `rustc_middle::ty::adjustment::Adjustment` and `rustc_hir_analysis::check::coercion` for . /// more information on adjustments and coercions. 366 ( 0.00%) pub fn is_adjusted(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { 244 ( 0.00%) cx.typeck_results().adjustments().get(e.hir_id).is_some() 488 ( 0.00%) } . . /// Returns the pre-expansion span if this comes from an expansion of the . /// macro `name`. . /// See also [`is_direct_expn_of`]. . #[must_use] 493,000 ( 0.01%) pub fn is_expn_of(mut span: Span, name: Symbol) -> Option { . loop { . if span.from_expansion() { . let data = span.ctxt().outer_expn_data(); 770,532 ( 0.01%) let new_span = data.call_site; . 1,536,786 ( 0.03%) if let ExpnKind::Macro(MacroKind::Bang, mac_name) = data.kind . && mac_name == name . { 196 ( 0.00%) return Some(new_span); . } . . span = new_span; . } else { 57,902 ( 0.00%) return None; . } . } 261,000 ( 0.00%) } . . /// Returns the pre-expansion span if the span directly comes from an expansion . /// of the macro `name`. . /// The difference with [`is_expn_of`] is that in . /// ```no_run . /// # macro_rules! foo { ($name:tt!$args:tt) => { $name!$args } } . /// # macro_rules! bar { ($e:expr) => { $e } } . /// foo!(bar!(42)); . /// ``` . /// `42` is considered expanded from `foo!` and `bar!` by `is_expn_of` but only . /// from `bar!` by `is_direct_expn_of`. . #[must_use] 4,005 ( 0.00%) pub fn is_direct_expn_of(span: Span, name: Symbol) -> Option { . if span.from_expansion() { . let data = span.ctxt().outer_expn_data(); 1 ( 0.00%) let new_span = data.call_site; . 742 ( 0.00%) if let ExpnKind::Macro(MacroKind::Bang, mac_name) = data.kind . && mac_name == name . { 2 ( 0.00%) return Some(new_span); . } . } . 444 ( 0.00%) None 2,225 ( 0.00%) } . . /// Convenience function to get the return type of a function. 140 ( 0.00%) pub fn return_ty<'tcx>(cx: &LateContext<'tcx>, fn_def_id: OwnerId) -> Ty<'tcx> { 20 ( 0.00%) let ret_ty = cx.tcx.fn_sig(fn_def_id).instantiate_identity().skip_norm_wip().output(); 80 ( 0.00%) cx.tcx.instantiate_bound_regions_with_erased(ret_ty) 1,820 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased:: (20x) 140 ( 0.00%) } . . /// Convenience function to get the nth argument type of a function. . pub fn nth_arg<'tcx>(cx: &LateContext<'tcx>, fn_def_id: OwnerId, nth: usize) -> Ty<'tcx> { . let arg = cx . .tcx . .fn_sig(fn_def_id) . .instantiate_identity() . .skip_norm_wip() -- line 1453 ---------------------------------------- -- line 1467 ---------------------------------------- . _ => false, . }; . } . false . } . . /// Returns `true` if a pattern is refutable. . // TODO: should be implemented using rustc/mir_build/thir machinery 860 ( 0.00%) pub fn is_refutable(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool { . fn is_qpath_refutable(cx: &LateContext<'_>, qpath: &QPath<'_>, id: HirId) -> bool { . !matches!( . cx.qpath_res(qpath, id), . Res::Def(DefKind::Struct, ..) | Res::Def(DefKind::Ctor(def::CtorOf::Struct, _), _) . ) . } . . fn are_refutable<'a, I: IntoIterator>>(cx: &LateContext<'_>, i: I) -> bool { . i.into_iter().any(|pat| is_refutable(cx, pat)) . } . 602 ( 0.00%) match pat.kind { . PatKind::Missing => unreachable!(), . PatKind::Wild | PatKind::Never => false, // If `!` typechecked then the type is empty, so not refutable. 59 ( 0.00%) PatKind::Binding(_, _, _, pat) => pat.is_some_and(|pat| is_refutable(cx, pat)), . PatKind::Box(pat) | PatKind::Ref(pat, _, _) => is_refutable(cx, pat), . PatKind::Expr(PatExpr { . kind: PatExprKind::Path(qpath), . hir_id, . .. . }) => is_qpath_refutable(cx, qpath, *hir_id), . PatKind::Or(pats) => { . // TODO: should be the honest check, that pats is exhaustive set -- line 1498 ---------------------------------------- -- line 1515 ---------------------------------------- . _ => { . // unreachable!() . true . }, . } . }, . PatKind::Expr(..) | PatKind::Range(..) | PatKind::Err(_) | PatKind::Deref(_) | PatKind::Guard(..) => true, . } 688 ( 0.00%) } . . /// If the pattern is an `or` pattern, call the function once for each sub pattern. Otherwise, call . /// the function once on the given pattern. . pub fn recurse_or_patterns<'tcx, F: FnMut(&'tcx Pat<'tcx>)>(pat: &'tcx Pat<'tcx>, mut f: F) { 225 ( 0.00%) if let PatKind::Or(pats) = pat.kind { . pats.iter().for_each(f); . } else { 204 ( 0.00%) f(pat); 20,418 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_wild_enum.rs:clippy_lints::matches::match_wild_enum::check::{closure#2} (102x) . } . } . . pub fn is_self(slf: &Param<'_>) -> bool { . if let PatKind::Binding(.., name, _) = slf.pat.kind { . name.name == kw::SelfLower . } else { . false -- line 1539 ---------------------------------------- -- line 1545 ---------------------------------------- . && let Res::SelfTyParam { .. } | Res::SelfTyAlias { .. } = path.res . { . return true; . } . false . } . . pub fn iter_input_pats<'tcx>(decl: &FnDecl<'_>, body: &'tcx Body<'_>) -> impl Iterator> { 1,843 ( 0.00%) (0..decl.inputs.len()).map(move |i| &body.params[i]) . } . . /// Checks if a given expression is a match expression expanded from the `?` . /// operator or the `try` macro. . pub fn is_try<'tcx>(cx: &LateContext<'_>, expr: &'tcx Expr<'tcx>) -> Option<&'tcx Expr<'tcx>> { . fn is_ok(cx: &LateContext<'_>, arm: &Arm<'_>) -> bool { . if let PatKind::TupleStruct(ref path, pat, ddpos) = arm.pat.kind . && ddpos.as_opt_usize().is_none() -- line 1561 ---------------------------------------- -- line 1607 ---------------------------------------- . /// . /// To emit at a lint at a different context than the one current see . /// [`span_lint_hir`](diagnostics::span_lint_hir) or . /// [`span_lint_hir_and_then`](diagnostics::span_lint_hir_and_then) . pub fn fulfill_or_allowed(cx: &LateContext<'_>, lint: &'static Lint, ids: impl IntoIterator) -> bool { . let mut suppress_lint = false; . . for id in ids { 5 ( 0.00%) let level_spec = cx.tcx.lint_level_spec_at_node(lint, id); 941 ( 0.00%) => ???:::lint_level_spec_at_node (1x) 4 ( 0.00%) if let Some(expectation) = level_spec.lint_id() { . cx.fulfill_expectation(expectation); . } . 1 ( 0.00%) match level_spec.level() { . Level::Allow | Level::Expect => suppress_lint = true, . Level::Warn | Level::ForceWarn | Level::Deny | Level::Forbid => {}, . } . } . . suppress_lint . } . . /// Returns `true` if the lint is allowed in the current context. This is useful for . /// skipping long running code when it's unnecessary . /// . /// This function should check the lint level for the same node, that the lint will . /// be emitted at. If the information is buffered to be emitted at a later point, please . /// make sure to use `span_lint_hir` functions to emit the lint. This ensures that . /// expectations at the checked nodes will be fulfilled. 26,988 ( 0.00%) pub fn is_lint_allowed(cx: &LateContext<'_>, lint: &'static Lint, id: HirId) -> bool { 13,494 ( 0.00%) cx.tcx.lint_level_spec_at_node(lint, id).is_allow() 9,149,487 ( 0.17%) => ???:::lint_level_spec_at_node (6,747x) 13,494 ( 0.00%) } . . pub fn strip_pat_refs<'hir>(mut pat: &'hir Pat<'hir>) -> &'hir Pat<'hir> { 56 ( 0.00%) while let PatKind::Ref(subpat, _, _) = pat.kind { . pat = subpat; . } . pat . } . . pub fn int_bits(tcx: TyCtxt<'_>, ity: IntTy) -> u64 { . Integer::from_int_ty(&tcx, ity).size().bits() . } -- line 1649 ---------------------------------------- -- line 1658 ---------------------------------------- . #[expect(clippy::cast_sign_loss)] . /// clip unused bytes . pub fn unsext(tcx: TyCtxt<'_>, u: i128, ity: IntTy) -> u128 { . let amt = 128 - int_bits(tcx, ity); . ((u as u128) << amt) >> amt . } . . /// clip unused bytes 19 ( 0.00%) pub fn clip(tcx: TyCtxt<'_>, u: u128, ity: UintTy) -> u128 { . let bits = Integer::from_uint_ty(&tcx, ity).size().bits(); . let amt = 128 - bits; 171 ( 0.00%) (u << amt) >> amt 57 ( 0.00%) } . . pub fn has_attr(attrs: &[hir::Attribute], symbol: Symbol) -> bool { . attrs.iter().any(|attr| attr.has_name(symbol)) . } . . pub fn has_repr_attr(cx: &LateContext<'_>, hir_id: HirId) -> bool { . find_attr!(cx.tcx, hir_id, Repr { .. }) . } -- line 1678 ---------------------------------------- -- line 1688 ---------------------------------------- . enclosing_node = tcx.hir_get_parent_item(enclosing_node).into(); . } . . false . } . . /// Checks if the given HIR node is inside an `impl` block with the `automatically_derived` . /// attribute. 85,407 ( 0.00%) pub fn in_automatically_derived(tcx: TyCtxt<'_>, id: HirId) -> bool { . tcx.hir_parent_owner_iter(id) 124,107 ( 0.00%) .filter(|(_, node)| matches!(node, OwnerNode::Item(item) if matches!(item.kind, ItemKind::Impl(_)))) 8,566 ( 0.00%) .any(|(id, _)| find_attr!(tcx, id.def_id, AutomaticallyDerived)) 308,314 ( 0.01%) => ???:>::get_attrs (4,282x) 85,407 ( 0.00%) } . . /// Checks if the given `DefId` matches the `libc` item. 2,940 ( 0.00%) pub fn match_libc_symbol(cx: &LateContext<'_>, did: DefId, name: Symbol) -> bool { . // libc is meant to be used as a flat list of names, but they're all actually defined in different . // modules based on the target platform. Ignore everything but crate name and the item name. 882 ( 0.00%) cx.tcx.crate_name(did.krate) == sym::libc && cx.tcx.def_path_str(did).ends_with(name.as_str()) 2,352 ( 0.00%) } . . /// Returns the list of condition expressions and the list of blocks in a . /// sequence of `if/else`. . /// E.g., this returns `([a, b], [c, d, e])` for the expression . /// `if a { c } else if b { d } else { e }`. 1,904 ( 0.00%) pub fn if_sequence<'tcx>(mut expr: &'tcx Expr<'tcx>) -> (Vec<&'tcx Expr<'tcx>>, Vec<&'tcx Block<'tcx>>) { . let mut conds = Vec::new(); . let mut blocks: Vec<&Block<'_>> = Vec::new(); . . while let Some(higher::IfOrIfLet { cond, then, r#else }) = higher::IfOrIfLet::hir(expr) { . conds.push(cond); 882 ( 0.00%) if let ExprKind::Block(block, _) = then.kind { . blocks.push(block); . } else { . panic!("ExprKind::If node is not an ExprKind::Block"); . } . 588 ( 0.00%) if let Some(else_expr) = r#else { . expr = else_expr; . } else { . break; . } . } . . // final `else {..}` 238 ( 0.00%) if !blocks.is_empty() 549 ( 0.00%) && let ExprKind::Block(block, _) = expr.kind . { . blocks.push(block); . } . 2,856 ( 0.00%) (conds, blocks) 2,142 ( 0.00%) } . . /// Peels away all the compiler generated code surrounding the body of an async closure. . pub fn get_async_closure_expr<'tcx>(tcx: TyCtxt<'tcx>, expr: &Expr<'_>) -> Option<&'tcx Expr<'tcx>> { . if let ExprKind::Closure(&Closure { . body, . kind: hir::ClosureKind::Coroutine(CoroutineKind::Desugared(CoroutineDesugaring::Async, _)), . .. . }) = expr.kind -- line 1748 ---------------------------------------- -- line 1796 ---------------------------------------- . /// * `|(x, y)| (x, y)` . /// * `|[x, y]| [x, y]` . /// * `|Foo(bar, baz)| Foo(bar, baz)` . /// * `|Foo { bar, baz }| Foo { bar, baz }` . /// * `|x| { let y = x; ...; let z = y; z }` . /// * `|x| { let y = x; ...; let z = y; return z }` . /// . /// Consider calling [`is_expr_untyped_identity_function`] or [`is_expr_identity_function`] instead. 602 ( 0.00%) fn is_body_identity_function<'hir>(cx: &LateContext<'_>, func: &Body<'hir>) -> bool { 258 ( 0.00%) let [param] = func.params else { . return false; . }; . 86 ( 0.00%) let mut param_pat = param.pat; . . // Given a sequence of `Stmt`s of the form `let p = e` where `e` is an expr identical to the . // current `param_pat`, advance the current `param_pat` to `p`. . // . // Note: This is similar to `clippy_utils::get_last_chain_binding_hir_id`, but it works . // directly over a `Pattern` rather than a `HirId`. And it checks for compatibility via . // `is_expr_identity_of_pat` rather than `HirId` equality . let mut advance_param_pat_over_stmts = |stmts: &[Stmt<'hir>]| { . for stmt in stmts { 80 ( 0.00%) if let StmtKind::Let(local) = stmt.kind 78 ( 0.00%) && let Some(init) = local.init 130 ( 0.00%) && is_expr_identity_of_pat(cx, param_pat, init, true) 2,381 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_expr_identity_of_pat (26x) . { . param_pat = local.pat; . } else { . return false; . } . } . . true . }; . 86 ( 0.00%) let mut expr = func.value; . loop { 493 ( 0.00%) match expr.kind { . ExprKind::Block( . &Block { 144 ( 0.00%) stmts: [], . expr: Some(e), . .. . }, . _, . ) . | ExprKind::Ret(Some(e)) => expr = e, . ExprKind::Block( . &Block { 54 ( 0.00%) stmts: [stmt], . expr: None, . .. . }, . _, . ) => { . if let StmtKind::Semi(e) | StmtKind::Expr(e) = stmt.kind . && let ExprKind::Ret(Some(ret_val)) = e.kind . { . expr = ret_val; . } else { . return false; . } . }, . ExprKind::Block( . &Block { 27 ( 0.00%) stmts, expr: Some(e), .. . }, . _, . ) => { . if !advance_param_pat_over_stmts(stmts) { . return false; . } . . expr = e; -- line 1870 ---------------------------------------- -- line 1875 ---------------------------------------- . && let StmtKind::Semi(e) | StmtKind::Expr(e) = last_stmt.kind . && let ExprKind::Ret(Some(ret_val)) = e.kind . { . expr = ret_val; . } else { . return false; . } . }, 590 ( 0.00%) _ => return is_expr_identity_of_pat(cx, param_pat, expr, true), 5,597 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_expr_identity_of_pat (59x) . } . } 243 ( 0.00%) } . . /// Checks if the given expression is an identity representation of the given pattern: . /// * `x` is the identity representation of `x` . /// * `(x, y)` is the identity representation of `(x, y)` . /// * `[x, y]` is the identity representation of `[x, y]` . /// * `Foo(bar, baz)` is the identity representation of `Foo(bar, baz)` . /// * `Foo { bar, baz }` is the identity representation of `Foo { bar, baz }` . /// . /// Note that `by_hir` is used to determine bindings are checked by their `HirId` or by their name. . /// This can be useful when checking patterns in `let` bindings or `match` arms. 774 ( 0.00%) pub fn is_expr_identity_of_pat(cx: &LateContext<'_>, pat: &Pat<'_>, expr: &Expr<'_>, by_hir: bool) -> bool { 64 ( 0.00%) if cx . .typeck_results() . .pat_binding_modes() 172 ( 0.00%) .get(pat.hir_id) 64 ( 0.00%) .is_some_and(|mode| matches!(mode.0, ByRef::Yes(..))) . { . // If the parameter is `(x, y)` of type `&(T, T)`, or `[x, y]` of type `&[T; 2]`, then . // due to match ergonomics, the inner patterns become references. Don't consider this . // the identity function as that changes types. . return false; . } . . // NOTE: we're inside a (function) body, so this won't ICE . let qpath_res = |qpath, hir| cx.typeck_results().qpath_res(qpath, hir); . 1,164 ( 0.00%) match (pat.kind, expr.kind) { 128 ( 0.00%) (PatKind::Binding(_, id, _, _), _) if by_hir => { 1 ( 0.00%) expr.res_local_id() == Some(id) && cx.typeck_results().expr_adjustments(expr).is_empty() . }, . (PatKind::Binding(_, _, ident, _), ExprKind::Path(QPath::Resolved(_, path))) => { . matches!(path.segments, [ segment] if segment.ident.name == ident.name) . }, . (PatKind::Tuple(pats, dotdot), ExprKind::Tup(tup)) 2 ( 0.00%) if dotdot.as_opt_usize().is_none() && pats.len() == tup.len() => . { 6 ( 0.00%) over(pats, tup, |pat, expr| is_expr_identity_of_pat(cx, pat, expr, by_hir)) 101 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_expr_identity_of_pat'2 (1x) . }, . (PatKind::Slice(before, None, after), ExprKind::Array(arr)) if before.len() + after.len() == arr.len() => { . zip(before.iter().chain(after), arr).all(|(pat, expr)| is_expr_identity_of_pat(cx, pat, expr, by_hir)) . }, . (PatKind::TupleStruct(pat_ident, field_pats, dotdot), ExprKind::Call(ident, fields)) . if dotdot.as_opt_usize().is_none() && field_pats.len() == fields.len() => . { . // check ident -- line 1931 ---------------------------------------- -- line 1946 ---------------------------------------- . qpath_res(&pat_ident, pat.hir_id) == qpath_res(ident, expr.hir_id) . // check fields . && unordered_over(field_pats, fields, |field_pat, field| { . field_pat.ident == field.ident && is_expr_identity_of_pat(cx, field_pat.pat, field.expr, by_hir) . }) . }, . _ => false, . } 688 ( 0.00%) } . . /// This is the same as [`is_expr_identity_function`], but does not consider closures . /// with type annotations for its bindings (or similar) as identity functions: . /// * `|x: u8| x` . /// * `std::convert::identity::` 88 ( 0.00%) pub fn is_expr_untyped_identity_function(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 440 ( 0.00%) match expr.kind { 240 ( 0.00%) ExprKind::Closure(&Closure { body, fn_decl, .. }) 240 ( 0.00%) if fn_decl.inputs.iter().all(|ty| matches!(ty.kind, TyKind::Infer(()))) => . { 560 ( 0.00%) is_body_identity_function(cx, cx.tcx.hir_body(body)) 10,523 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_body_identity_function (80x) 6,215 ( 0.00%) => ???:::hir_body (80x) . }, . ExprKind::Path(QPath::Resolved(_, path)) . if path.segments.iter().all(|seg| seg.infer_args) . && let Some(did) = path.res.opt_def_id() => . { . cx.tcx.is_diagnostic_item(sym::convert_identity, did) . }, . _ => false, . } 24 ( 0.00%) } . . /// Checks if an expression represents the identity function . /// Only examines closures and `std::convert::identity` . /// . /// NOTE: If you want to use this function to find out if a closure is unnecessary, you likely want . /// to call [`is_expr_untyped_identity_function`] instead, which makes sure that the closure doesn't . /// have type annotations. This is important because removing a closure with bindings can . /// remove type information that helped type inference before, which can then lead to compile . /// errors. . pub fn is_expr_identity_function(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 21 ( 0.00%) match expr.kind { 66 ( 0.00%) ExprKind::Closure(&Closure { body, .. }) => is_body_identity_function(cx, cx.tcx.hir_body(body)), 787 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_body_identity_function (6x) 429 ( 0.00%) => ???:::hir_body (6x) 2 ( 0.00%) _ => expr.basic_res().is_diag_item(cx, sym::convert_identity), . } . } . . /// Gets the node where an expression is either used, or it's type is unified with another branch. . /// Returns both the node and the `HirId` of the closest child node. 4,944 ( 0.00%) pub fn get_expr_use_or_unification_node<'tcx>(tcx: TyCtxt<'tcx>, expr: &Expr<'_>) -> Option<(Node<'tcx>, HirId)> { 5,562 ( 0.00%) for (node, child_id) in hir_parent_with_src_iter(tcx, expr.hir_id) { 1,284 ( 0.00%) match node { . Node::Block(_) => {}, 2 ( 0.00%) Node::Arm(arm) if arm.body.hir_id == child_id => {}, 2,607 ( 0.00%) Node::Expr(expr) => match expr.kind { . ExprKind::Block(..) | ExprKind::DropTemps(_) => {}, 56 ( 0.00%) ExprKind::Match(_, [arm], _) if arm.hir_id == child_id => {}, . ExprKind::If(_, then_expr, None) if then_expr.hir_id == child_id => return None, 611 ( 0.00%) _ => return Some((Node::Expr(expr), child_id)), . }, 14 ( 0.00%) node => return Some((node, child_id)), . } . } . None 4,944 ( 0.00%) } . . /// Checks if the result of an expression is used, or it's type is unified with another branch. 4 ( 0.00%) pub fn is_expr_used_or_unified(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool { 4 ( 0.00%) !matches!( 2 ( 0.00%) get_expr_use_or_unification_node(tcx, expr), 177 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_expr_use_or_unification_node (1x) . None | Some(( . Node::Stmt(Stmt { . kind: StmtKind::Expr(_) . | StmtKind::Semi(_) . | StmtKind::Let(LetStmt { . pat: Pat { . kind: PatKind::Wild, . .. -- line 2022 ---------------------------------------- -- line 2023 ---------------------------------------- . }, . .. . }), . .. . }), . _ . )) . ) 2 ( 0.00%) } . . /// Checks if the expression is the final expression returned from a block. 450 ( 0.00%) pub fn is_expr_final_block_expr(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool { 1,575 ( 0.00%) matches!(tcx.parent_hir_node(expr.hir_id), Node::Block(..)) 19,800 ( 0.00%) => ???:::parent_hir_node (225x) 450 ( 0.00%) } . . /// Checks if the expression is a temporary value. . // This logic is the same as the one used in rustc's `check_named_place_expr function`. . // https://github.com/rust-lang/rust/blob/3ed2a10d173d6c2e0232776af338ca7d080b1cd4/compiler/rustc_hir_typeck/src/expr.rs#L482-L499 . pub fn is_expr_temporary_value(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { . !expr.is_place_expr(|base| { . cx.typeck_results() . .adjustments() . .get(base.hir_id) . .is_some_and(|x| x.iter().any(|adj| matches!(adj.kind, Adjust::Deref(_)))) . }) . } . 3 ( 0.00%) pub fn std_or_core(cx: &LateContext<'_>) -> Option<&'static str> { . if is_no_core_crate(cx) { . None . } else if is_no_std_crate(cx) { . Some("core") . } else { . Some("std") . } 6 ( 0.00%) } . 1 ( 0.00%) pub fn is_no_std_crate(cx: &LateContext<'_>) -> bool { 245 ( 0.00%) find_attr!(cx.tcx, crate, NoStd) 135 ( 0.00%) => ???:::hir_krate_attrs (3x) 3 ( 0.00%) } . . pub fn is_no_core_crate(cx: &LateContext<'_>) -> bool { 123 ( 0.00%) find_attr!(cx.tcx, crate, NoCore) 135 ( 0.00%) => ???:::hir_krate_attrs (3x) . } . . /// Check if parent of a hir node is a trait implementation block. . /// For example, `f` in . /// ```no_run . /// # struct S; . /// # trait Trait { fn f(); } . /// impl Trait for S { . /// fn f() {} . /// } . /// ``` 2,484 ( 0.00%) pub fn is_trait_impl_item(cx: &LateContext<'_>, hir_id: HirId) -> bool { 4,003 ( 0.00%) if let Node::Item(item) = cx.tcx.parent_hir_node(hir_id) { 113,058 ( 0.00%) => ???:::parent_hir_node (828x) 2,196 ( 0.00%) matches!(item.kind, ItemKind::Impl(Impl { of_trait: Some(_), .. })) . } else { . false . } 1,656 ( 0.00%) } . . /// Check if it's even possible to satisfy the `where` clause for the item. . /// . /// `trivial_bounds` feature allows functions with unsatisfiable bounds, for example: . /// . /// ```ignore . /// fn foo() where i32: Iterator { . /// for _ in 2i32 {} -- line 2091 ---------------------------------------- -- line 2098 ---------------------------------------- . .clauses_of(did) . .clauses . .iter() . .filter_map(|(p, _)| if p.is_global() { Some(*p) } else { None }); . traits::impossible_clauses(cx.tcx, traits::elaborate(cx.tcx, clauses).collect::>()) . } . . /// Returns the `DefId` of the callee if the given expression is a function or method call. 40,720 ( 0.00%) pub fn fn_def_id(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option { 10,183 ( 0.00%) fn_def_id_with_node_args(cx, expr).map(|(did, _)| did) 475,142 ( 0.01%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::fn_def_id_with_node_args (10,180x) 20,360 ( 0.00%) } . . /// Returns the `DefId` of the callee if the given expression is a function or method call, . /// as well as its node args. 71,281 ( 0.00%) pub fn fn_def_id_with_node_args<'tcx>( . cx: &LateContext<'tcx>, . expr: &Expr<'_>, . ) -> Option<(DefId, GenericArgsRef<'tcx>)> { . let typeck = cx.typeck_results(); 51,606 ( 0.00%) match &expr.kind { 4,197 ( 0.00%) ExprKind::MethodCall(..) => Some(( 8,394 ( 0.00%) typeck.type_dependent_def_id(expr.hir_id)?, 71,473 ( 0.00%) => ???:::type_dependent_def_id (1,399x) 5,596 ( 0.00%) typeck.node_args(expr.hir_id), 53,587 ( 0.00%) => ???:::node_args (1,399x) 2,076 ( 0.00%) )), . ExprKind::Call( . Expr { 691 ( 0.00%) kind: ExprKind::Path(qpath), . hir_id: path_hir_id, . .. . }, . .., . ) => { . // Only return Fn-like DefIds, not the DefIds of statics/consts/etc that contain or . // deref to fn pointers, dyn Fn, impl Fn - #8850 3,413 ( 0.00%) if let Res::Def(DefKind::Fn | DefKind::Ctor(..) | DefKind::AssocFn, id) = 6,840 ( 0.00%) typeck.qpath_res(qpath, *path_hir_id) 19,621 ( 0.00%) => ???:::qpath_res (691x) . { 4,062 ( 0.00%) Some((id, typeck.node_args(*path_hir_id))) 23,674 ( 0.00%) => ???:::node_args (677x) . } else { . None . } . }, . _ => None, . } 91,647 ( 0.00%) } . . /// Returns `Option` where String is a textual representation of the type encapsulated in . /// the slice iff the given expression is a slice of primitives. . /// . /// (As defined in the `is_recursively_primitive_type` function.) Returns `None` otherwise. . pub fn is_slice_of_primitives(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option { . let expr_type = cx.typeck_results().expr_ty_adjusted(expr); . let expr_kind = expr_type.kind(); -- line 2150 ---------------------------------------- -- line 2180 ---------------------------------------- . . /// Returns a list of groups where elements in each group are equal according to `eq` . /// . /// - Within each group the elements are sorted by the order they appear in `exprs` . /// - The groups themselves are sorted by their first element's appearence in `exprs` . /// . /// Given functions `eq` and `hash` such that `eq(a, b) == true` . /// implies `hash(a) == hash(b)` 4,998 ( 0.00%) pub fn search_same(exprs: &[T], mut hash: Hash, mut eq: Eq) -> Vec> . where . Hash: FnMut(&T) -> u64, . Eq: FnMut(&T, &T) -> bool, . { . match exprs { 1,259 ( 0.00%) [a, b] if eq(a, b) => return vec![vec![a, b]], 922 ( 0.00%) _ if exprs.len() <= 2 => return vec![], . _ => {}, . } . . let mut buckets: UnindexMap>> = UnindexMap::default(); . . for expr in exprs { 98 ( 0.00%) match buckets.entry(hash(expr)) { . indexmap::map::Entry::Occupied(mut o) => { . let bucket = o.get_mut(); . match bucket.iter_mut().find(|group| eq(expr, group[0])) { . Some(group) => group.push(expr), . None => bucket.push(vec![expr]), . } . }, . indexmap::map::Entry::Vacant(v) => { 490 ( 0.00%) v.insert(vec![vec![expr]]); 49 ( 0.00%) }, . } . } . . buckets . .into_values() . .flatten() 98 ( 0.00%) .filter(|group| group.len() > 1) . .collect() 4,284 ( 0.00%) } . . /// Peels off all references on the pattern. Returns the underlying pattern and the number of . /// references removed. 509 ( 0.00%) pub fn peel_hir_pat_refs<'a>(pat: &'a Pat<'a>) -> (&'a Pat<'a>, usize) { . fn peel<'a>(pat: &'a Pat<'a>, count: usize) -> (&'a Pat<'a>, usize) { 1,018 ( 0.00%) if let PatKind::Ref(pat, _, _) = pat.kind { . peel(pat, count + 1) . } else { . (pat, count) . } . } . peel(pat, 0) 509 ( 0.00%) } . . /// Peels of expressions while the given closure returns `Some`. 496 ( 0.00%) pub fn peel_hir_expr_while<'tcx>( . mut expr: &'tcx Expr<'tcx>, . mut f: impl FnMut(&'tcx Expr<'tcx>) -> Option<&'tcx Expr<'tcx>>, . ) -> &'tcx Expr<'tcx> { . while let Some(e) = f(expr) { . expr = e; . } . expr 558 ( 0.00%) } . . /// Peels off up to the given number of references on the expression. Returns the underlying . /// expression and the number of references removed. . pub fn peel_n_hir_expr_refs<'a>(expr: &'a Expr<'a>, count: usize) -> (&'a Expr<'a>, usize) { . let mut remaining = count; . let e = peel_hir_expr_while(expr, |e| match e.kind { . ExprKind::AddrOf(ast::BorrowKind::Ref, _, e) if remaining != 0 => { . remaining -= 1; -- line 2253 ---------------------------------------- -- line 2267 ---------------------------------------- . count = count.wrapping_add(1); . curr_expr = local_expr; . } . (curr_expr, count) . } . . /// Peels off all references on the expression. Returns the underlying expression and the number of . /// references removed. 105,250 ( 0.00%) pub fn peel_hir_expr_refs<'a>(expr: &'a Expr<'a>) -> (&'a Expr<'a>, usize) { . let mut count = 0; 139,762 ( 0.00%) let e = peel_hir_expr_while(expr, |e| match e.kind { 8,628 ( 0.00%) ExprKind::AddrOf(ast::BorrowKind::Ref, _, e) => { 8,628 ( 0.00%) count += 1; . Some(e) . }, . _ => None, . }); . (e, count) 52,625 ( 0.00%) } . . /// Peels off all references on the type. Returns the underlying type and the number of references . /// removed. . pub fn peel_hir_ty_refs<'a>(mut ty: &'a hir::Ty<'a>) -> (&'a hir::Ty<'a>, usize) { . let mut count = 0; . loop { . match &ty.kind { . TyKind::Ref(_, ref_ty) => { -- line 2293 ---------------------------------------- -- line 2304 ---------------------------------------- . match &ty.kind { . TyKind::Ptr(mut_ty) | TyKind::Ref(_, mut_ty) => peel_hir_ty_refs_and_ptrs(mut_ty.ty), . _ => ty, . } . } . . /// Removes `AddrOf` operators (`&`) or deref operators (`*`), but only if a reference type is . /// dereferenced. An overloaded deref such as `Vec` to slice would not be removed. 90 ( 0.00%) pub fn peel_ref_operators<'hir>(cx: &LateContext<'_>, mut expr: &'hir Expr<'hir>) -> &'hir Expr<'hir> { . loop { 52 ( 0.00%) match expr.kind { . ExprKind::AddrOf(_, _, e) => expr = e, 13 ( 0.00%) ExprKind::Unary(UnOp::Deref, e) if cx.typeck_results().expr_ty(e).is_ref() => expr = e, . _ => break, . } . } . expr 50 ( 0.00%) } . . /// Returns a `Vec` of `Expr`s containing `AddrOf` operators (`&`) or deref operators (`*`) of a . /// given expression. . pub fn get_ref_operators<'hir>(cx: &LateContext<'_>, expr: &'hir Expr<'hir>) -> Vec<&'hir Expr<'hir>> { . let mut operators = Vec::new(); . peel_hir_expr_while(expr, |expr| match expr.kind { . ExprKind::AddrOf(_, _, e) => { . operators.push(expr); -- line 2329 ---------------------------------------- -- line 2333 ---------------------------------------- . operators.push(expr); . Some(e) . }, . _ => None, . }); . operators . } . 9 ( 0.00%) pub fn is_hir_ty_cfg_dependant(cx: &LateContext<'_>, ty: &hir::Ty<'_>) -> bool { 42 ( 0.00%) if let TyKind::Path(QPath::Resolved(_, path)) = ty.kind 16 ( 0.00%) && let Res::Def(_, def_id) = path.res . { . return find_attr!(cx.tcx, def_id, CfgTrace(..) | CfgAttrTrace(..)); . } . false 9 ( 0.00%) } . . static TEST_ITEM_NAMES_CACHE: OnceLock>>> = OnceLock::new(); . . /// Returns the names of the test items in the given module. . /// The names are sorted using the default `Symbol` ordering. 870 ( 0.00%) fn test_item_names(tcx: TyCtxt<'_>, module: LocalModId) -> Vec { . let cache = TEST_ITEM_NAMES_CACHE.get_or_init(|| Mutex::new(FxHashMap::default())); . let mut map = cache.lock().unwrap(); . match map.entry(module) { . Entry::Occupied(entry) => entry.get().clone(), . Entry::Vacant(entry) => { . let mut names = Vec::new(); . for id in tcx.hir_module_free_items(module) { 1,052 ( 0.00%) if matches!(tcx.def_kind(id.owner_id), DefKind::Const { .. }) 3 ( 0.00%) && let item = tcx.hir_item(id) 53 ( 0.00%) => ???:::hir_item (1x) 3 ( 0.00%) && let ItemKind::Const(ident, _generics, ty, _body) = item.kind 2 ( 0.00%) && let TyKind::Path(QPath::Resolved(_, path)) = ty.kind . // We could also check for the type name `test::TestDescAndFn` . && let Res::Def(DefKind::Struct, _) = path.res . && find_attr!(tcx, item.hir_id(), RustcTestMarker(..)) . { . names.push(ident.name); . } . } . names.sort_unstable(); 60 ( 0.00%) entry.insert(names).clone() . }, . } 696 ( 0.00%) } . . /// Checks if the function containing the given `HirId` is a `#[test]` function . /// . /// Note: Add `//@compile-flags: --test` to UI tests with a `#[test]` function 609 ( 0.00%) pub fn is_in_test_function(tcx: TyCtxt<'_>, id: HirId) -> bool { 348 ( 0.00%) let names = test_item_names(tcx, tcx.parent_module(id)); 28,508 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::test_item_names (87x) 8,102 ( 0.00%) => ???:::parent_module (87x) . // Without `--test` there are no test items, so the parent walk can never match. 87 ( 0.00%) if names.is_empty() { . return false; . } . once((id, tcx.hir_node(id))) . .chain(tcx.hir_parent_iter(id)) . // Since you can nest functions we need to collect all until we leave . // function scope . .any(|(_id, node)| { . if let Node::Item(item) = node -- line 2393 ---------------------------------------- -- line 2394 ---------------------------------------- . && let ItemKind::Fn { ident, .. } = item.kind . { . // Note that we have sorted the item names in the visitor, . // so the binary_search gets the same as `contains`, but faster. . return names.binary_search(&ident.name).is_ok(); . } . false . }) 522 ( 0.00%) } . . /// Checks if `fn_def_id` has a `#[test]` attribute applied . /// . /// This only checks directly applied attributes. To see if a node has a parent function marked with . /// `#[test]` use [`is_in_test_function`]. . /// . /// Note: Add `//@compile-flags: --test` to UI tests with a `#[test]` function . pub fn is_test_function(tcx: TyCtxt<'_>, fn_def_id: LocalDefId) -> bool { -- line 2410 ---------------------------------------- -- line 2420 ---------------------------------------- . } . } . . /// Checks if `id` has a `#[cfg(test)]` attribute applied . /// . /// This only checks directly applied attributes, to see if a node is inside a `#[cfg(test)]` parent . /// use [`is_in_cfg_test`] . pub fn is_cfg_test(tcx: TyCtxt<'_>, id: HirId) -> bool { 4,874 ( 0.00%) if let Some(cfgs) = find_attr!(tcx, id, CfgTrace(cfgs) => cfgs) 19,230 ( 0.00%) => ???:>::get_attrs (383x) . && cfgs . .iter() . .any(|(cfg, _)| matches!(cfg, CfgEntry::NameValue { name: sym::test, .. })) . { . true . } else { . false . } -- line 2436 ---------------------------------------- -- line 2437 ---------------------------------------- . } . . /// Checks if any parent node of `HirId` has `#[cfg(test)]` attribute applied . pub fn is_in_cfg_test(tcx: TyCtxt<'_>, id: HirId) -> bool { . tcx.hir_parent_id_iter(id).any(|parent_id| is_cfg_test(tcx, parent_id)) . } . . /// Checks if the node is in a `#[test]` function or has any parent node marked `#[cfg(test)]` 870 ( 0.00%) pub fn is_in_test(tcx: TyCtxt<'_>, hir_id: HirId) -> bool { 435 ( 0.00%) is_in_test_function(tcx, hir_id) || is_in_cfg_test(tcx, hir_id) 38,785 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_test_function (87x) 696 ( 0.00%) } . . /// Checks if the item of any of its parents has `#[cfg(...)]` attribute applied. . pub fn inherits_cfg(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { . find_attr!(tcx, def_id, CfgTrace(..)) . || find_attr!( . tcx.hir_parent_id_iter(tcx.local_def_id_to_hir_id(def_id)) . .flat_map(|parent_id| tcx.hir_attrs(parent_id)), . CfgTrace(..) -- line 2455 ---------------------------------------- -- line 2485 ---------------------------------------- . /// Whether the type must unify with another code path. . pub is_ty_unified: bool, . /// Whether the value will be moved before it's used. . pub moved_before_use: bool, . /// Whether the use site has the same `SyntaxContext` as the value. . pub same_ctxt: bool, . } . impl<'tcx> ExprUseSite<'tcx> { 1,029 ( 0.00%) pub fn use_node(&self, cx: &LateContext<'tcx>) -> ExprUseNode<'tcx> { 7,413 ( 0.00%) match self.node { 453 ( 0.00%) Node::LetStmt(l) => ExprUseNode::LetStmt(l), 12 ( 0.00%) Node::ExprField(field) => ExprUseNode::Field(field), . . Node::Item(&Item { . kind: ItemKind::Static(..) | ItemKind::Const(..), 4 ( 0.00%) owner_id, . .. . }) . | Node::TraitItem(&TraitItem { . kind: TraitItemKind::Const(..), . owner_id, . .. . }) . | Node::ImplItem(&ImplItem { . kind: ImplItemKind::Const(..), . owner_id, . .. 4 ( 0.00%) }) => ExprUseNode::ConstStatic(owner_id), . . Node::Item(&Item { . kind: ItemKind::Fn { .. }, . owner_id, . .. . }) . | Node::TraitItem(&TraitItem { . kind: TraitItemKind::Fn(..), . owner_id, . .. . }) . | Node::ImplItem(&ImplItem { . kind: ImplItemKind::Fn(..), 20 ( 0.00%) owner_id, . .. . }) => ExprUseNode::Return(owner_id), . 6,816 ( 0.00%) Node::Expr(use_expr) => match use_expr.kind { . ExprKind::Ret(_) => ExprUseNode::Return(OwnerId { . def_id: cx.tcx.hir_body_owner_def_id(cx.enclosing_body.unwrap()), . }), . 102 ( 0.00%) ExprKind::Closure(closure) => ExprUseNode::Return(OwnerId { def_id: closure.def_id }), 401 ( 0.00%) ExprKind::Call(func, args) => match args.iter().position(|arg| arg.hir_id == self.child_id) { 1,203 ( 0.00%) Some(i) => ExprUseNode::FnArg(func, i), . None => ExprUseNode::Callee, . }, 1,410 ( 0.00%) ExprKind::MethodCall(name, _, args, _) => ExprUseNode::MethodArg( 282 ( 0.00%) use_expr.hir_id, 282 ( 0.00%) name.args, . args.iter() . .position(|arg| arg.hir_id == self.child_id) . .map_or(0, |i| i + 1), . ), . ExprKind::Field(_, name) => ExprUseNode::FieldAccess(name), . ExprKind::AddrOf(kind, mutbl, _) => ExprUseNode::AddrOf(kind, mutbl), . _ => ExprUseNode::Other, . }, . _ => ExprUseNode::Other, . } 3,087 ( 0.00%) } . } . . /// The node which consumes a value. . pub enum ExprUseNode<'tcx> { . /// Assignment to, or initializer for, a local . LetStmt(&'tcx LetStmt<'tcx>), . /// Initializer for a const or static item. . ConstStatic(OwnerId), -- line 2561 ---------------------------------------- -- line 2573 ---------------------------------------- . FieldAccess(Ident), . /// Borrow expression. . AddrOf(ast::BorrowKind, Mutability), . Other, . } . impl<'tcx> ExprUseNode<'tcx> { . /// Checks if the value is returned from the function. . pub fn is_return(&self) -> bool { 1,795 ( 0.00%) matches!(self, Self::Return(_)) . } . . /// Checks if the value is used as a method call receiver. . pub fn is_recv(&self) -> bool { 36 ( 0.00%) matches!(self, Self::MethodArg(_, _, 0)) . } . . /// Gets the needed type as it's defined without any type inference. 7,203 ( 0.00%) pub fn defined_ty(&self, cx: &LateContext<'tcx>) -> Option> { 10,894 ( 0.00%) match *self { 12 ( 0.00%) Self::LetStmt(LetStmt { ty: Some(ty), .. }) => Some(DefinedTy::Hir(ty)), 14 ( 0.00%) Self::ConstStatic(id) => Some(DefinedTy::Mir { . def_site_def_id: Some(id.def_id.to_def_id()), 2 ( 0.00%) ty: Binder::dummy(cx.tcx.type_of(id).instantiate_identity().skip_norm_wip()), . }), 108 ( 0.00%) Self::Return(id) => { 230 ( 0.00%) if let Node::Expr(Expr { . kind: ExprKind::Closure(c), . .. 88 ( 0.00%) }) = cx.tcx.hir_node_by_def_id(id.def_id) . { 170 ( 0.00%) match c.fn_decl.output { . FnRetTy::DefaultReturn(_) => None, . FnRetTy::Return(ty) => Some(DefinedTy::Hir(ty)), . } . } else { . let ty = cx.tcx.fn_sig(id).instantiate_identity().skip_norm_wip().output(); 80 ( 0.00%) Some(DefinedTy::Mir { . def_site_def_id: Some(id.def_id.to_def_id()), . ty, . }) . } . }, 28 ( 0.00%) Self::Field(field) => match get_parent_expr_for_hir(cx, field.hir_id) { . Some(Expr { . hir_id, . kind: ExprKind::Struct(path, ..), . .. 40 ( 0.00%) }) => adt_and_variant_of_res(cx, cx.qpath_res(path, *hir_id)) 280 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::adt_and_variant_of_res (4x) 92 ( 0.00%) => ???:::qpath_res (4x) . .and_then(|(adt, variant)| { . variant . .fields . .iter() . .find(|f| f.name == field.ident.name) . .map(|f| (adt, f)) . }) . .map(|(adt, field_def)| DefinedTy::Mir { . def_site_def_id: Some(adt.did()), 24 ( 0.00%) ty: Binder::dummy(cx.tcx.type_of(field_def.did).instantiate_identity().skip_norm_wip()), 32 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_type_ir/src/binder.rs:>::dummy (4x) . }), . _ => None, . }, 802 ( 0.00%) Self::FnArg(callee, i) => { 1,203 ( 0.00%) let sig = expr_sig(cx, callee)?; 43,592 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::expr_sig (401x) 3,208 ( 0.00%) let (hir_ty, ty) = sig.input_with_hir(i)?; 17,227 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:::input_with_hir (401x) 2,406 ( 0.00%) Some(match hir_ty { . Some(hir_ty) => DefinedTy::Hir(hir_ty), . None => DefinedTy::Mir { . def_site_def_id: sig.predicates_id(), . ty, . }, . }) 403 ( 0.00%) }, 564 ( 0.00%) Self::MethodArg(id, _, i) => { 564 ( 0.00%) let id = cx.typeck_results().type_dependent_def_id(id)?; 14,382 ( 0.00%) => ???:::type_dependent_def_id (282x) 282 ( 0.00%) let sig = cx.tcx.fn_sig(id).skip_binder(); 1,128 ( 0.00%) Some(DefinedTy::Mir { . def_site_def_id: Some(id), . ty: sig.input(i), . }) 282 ( 0.00%) }, . Self::LetStmt(_) | Self::FieldAccess(..) | Self::Callee | Self::Other | Self::AddrOf(..) => None, . } 9,261 ( 0.00%) } . } . . struct ReplacingFilterMap(I, F); . impl Iterator for ReplacingFilterMap . where . I: Iterator, . F: FnMut(&mut I, I::Item) -> Option, . { . type Item = U; . fn next(&mut self) -> Option { 2,392 ( 0.00%) while let Some(x) = self.0.next() { . if let Some(x) = (self.1)(&mut self.0, x) { . return Some(x); . } . } . None . } . } . -- line 2674 ---------------------------------------- -- line 2676 ---------------------------------------- . /// which simply moves a value. . #[expect(clippy::too_many_lines)] . pub fn expr_use_sites<'tcx>( . tcx: TyCtxt<'tcx>, . typeck: &'tcx TypeckResults<'tcx>, . mut ctxt: SyntaxContext, . e: &'tcx Expr<'tcx>, . ) -> impl Iterator> { 3,354 ( 0.00%) let mut adjustments: &[_] = typeck.expr_adjustments(e); 47,200 ( 0.00%) => ???:::expr_adjustments (1,118x) . let mut is_ty_unified = false; . let mut moved_before_use = false; . let mut same_ctxt = true; 15,652 ( 0.00%) ReplacingFilterMap( 2,236 ( 0.00%) hir_parent_with_src_iter(tcx, e.hir_id), . move |iter: &mut _, (parent, child_id)| { . let parent_ctxt; . let mut parent_adjustments: &[_] = &[]; 4,784 ( 0.00%) match parent { . Node::Expr(parent_expr) => { 978 ( 0.00%) parent_ctxt = parent_expr.span.ctxt(); 2,934 ( 0.00%) same_ctxt &= parent_ctxt == ctxt; 2,934 ( 0.00%) parent_adjustments = typeck.expr_adjustments(parent_expr); 39,879 ( 0.00%) => ???:::expr_adjustments (978x) 5,377 ( 0.00%) match parent_expr.kind { 166 ( 0.00%) ExprKind::Match(scrutinee, arms, _) if scrutinee.hir_id != child_id => { 8 ( 0.00%) is_ty_unified |= arms.len() != 1; . moved_before_use = true; . if adjustments.is_empty() { . adjustments = parent_adjustments; . } . return None; . }, 20 ( 0.00%) ExprKind::If(cond, _, else_) if cond.hir_id != child_id => { . is_ty_unified |= else_.is_some(); . moved_before_use = true; . if adjustments.is_empty() { . adjustments = parent_adjustments; . } . return None; . }, . ExprKind::Break(Destination { target_id: Ok(id), .. }, _) => { -- line 2715 ---------------------------------------- -- line 2716 ---------------------------------------- . is_ty_unified = true; . moved_before_use = true; . *iter = hir_parent_with_src_iter(tcx, id); . if adjustments.is_empty() { . adjustments = parent_adjustments; . } . return None; . }, 26 ( 0.00%) ExprKind::Block(b, _) => { 26 ( 0.00%) is_ty_unified |= b.targeted_by_break; . moved_before_use = true; . if adjustments.is_empty() { . adjustments = parent_adjustments; . } . return None; . }, . ExprKind::DropTemps(_) | ExprKind::Type(..) => { . if adjustments.is_empty() { -- line 2733 ---------------------------------------- -- line 2734 ---------------------------------------- . adjustments = parent_adjustments; . } . return None; . }, . _ => {}, . } . }, . Node::Arm(arm) => { 8 ( 0.00%) parent_ctxt = arm.span.ctxt(); 24 ( 0.00%) same_ctxt &= parent_ctxt == ctxt; 16 ( 0.00%) if arm.body.hir_id == child_id { . return None; . } . }, . Node::Block(b) => { 104 ( 0.00%) same_ctxt &= b.span.ctxt() == ctxt; . return None; . }, . Node::ConstBlock(_) => parent_ctxt = ctxt, 4 ( 0.00%) Node::ExprField(&ExprField { span, .. }) => { . parent_ctxt = span.ctxt(); 8 ( 0.00%) same_ctxt &= parent_ctxt == ctxt; 4 ( 0.00%) }, . Node::AnonConst(&AnonConst { span, .. }) . | Node::ConstArg(&ConstArg { span, .. }) . | Node::Field(&FieldDef { span, .. }) . | Node::ImplItem(&ImplItem { span, .. }) . | Node::Item(&Item { span, .. }) . | Node::LetStmt(&LetStmt { span, .. }) . | Node::Stmt(&Stmt { span, .. }) . | Node::TraitItem(&TraitItem { span, .. }) . | Node::Variant(&Variant { span, .. }) => { . parent_ctxt = span.ctxt(); 360 ( 0.00%) same_ctxt &= parent_ctxt == ctxt; . *iter = hir_parent_with_src_iter(tcx, CRATE_HIR_ID); . }, . Node::AssocItemConstraint(_) . | Node::ConstArgExprField(_) . | Node::Crate(_) . | Node::Ctor(_) . | Node::Err(_) . | Node::ForeignItem(_) -- line 2775 ---------------------------------------- -- line 2803 ---------------------------------------- . is_ty_unified: mem::replace(&mut is_ty_unified, false), . moved_before_use: mem::replace(&mut moved_before_use, false), . same_ctxt: mem::replace(&mut same_ctxt, true), . }) . }, . ) . } . 13,416 ( 0.00%) pub fn get_expr_use_site<'tcx>( . tcx: TyCtxt<'tcx>, . typeck: &'tcx TypeckResults<'tcx>, . ctxt: SyntaxContext, . e: &'tcx Expr<'tcx>, . ) -> ExprUseSite<'tcx> { . // The value in `unwrap_or` doesn't actually matter; an expression always . // has a use site. . expr_use_sites(tcx, typeck, ctxt, e).next().unwrap_or_else(|| { -- line 2819 ---------------------------------------- -- line 2822 ---------------------------------------- . node: Node::Synthetic, // The crate root would also work. . child_id: CRATE_HIR_ID, . adjustments: &[], . is_ty_unified: false, . moved_before_use: false, . same_ctxt: false, . } . }) 8,944 ( 0.00%) } . . /// Tokenizes the input while keeping the text associated with each token. . pub fn tokenize_with_text(s: &str) -> impl Iterator { . let mut pos = 0; . tokenize(s, FrontmatterAllowed::No).map(move |t| { 3,447 ( 0.00%) let end = pos + t.len; 1 ( 0.00%) let range = pos as usize..end as usize; . let inner = InnerSpan::new(range.start, range.end); 1,954 ( 0.00%) pos = end; 806 ( 0.00%) (t.kind, s.get(range).unwrap_or_default(), inner) . }) . } . . /// Checks whether a given span has any comment token . /// This checks for all types of comment: line "//", block "/**", doc "///" "//!" . pub fn span_contains_comment<'sm>(sm: impl HasSourceMap<'sm>, span: Span) -> bool { . span.check_text(sm, |snippet| { . tokenize(snippet, FrontmatterAllowed::No).any(|token| { 32,969 ( 0.00%) matches!( . token.kind, . TokenKind::BlockComment { .. } | TokenKind::LineComment { .. } . ) . }) . }) . } . . /// Checks whether a given span has any significant token. A significant token is a non-whitespace -- line 2857 ---------------------------------------- -- line 2884 ---------------------------------------- . .filter(|(t, ..)| matches!(t, TokenKind::BlockComment { .. } | TokenKind::LineComment { .. })) . .map(|(_, s, _)| s.to_string()) . .collect::>() . }) . .unwrap_or_default() . } . . pub fn span_find_starting_semi(sm: &SourceMap, span: Span) -> Span { 66 ( 0.00%) sm.span_take_while(span, |&ch| ch == ' ' || ch == ';') 35,881 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/source_map.rs:::span_take_while:: (66x) . } . . /// Returns whether the given let pattern and else body can be turned into the `?` operator . /// . /// For this example: . /// ```ignore . /// let FooBar { a, b } = if let Some(a) = ex { a } else { return None }; . /// ``` -- line 2900 ---------------------------------------- -- line 2942 ---------------------------------------- . /// Binary operation traits like `LangItem::Add` . pub static BINOP_TRAITS: &[LangItem] = &[$(LangItem::$name,)*]; . . /// Operator-Assign traits like `LangItem::AddAssign` . pub static OP_ASSIGN_TRAITS: &[LangItem] = &[$(LangItem::$assign,)*]; . . /// Converts `BinOpKind::Add` to `(LangItem::Add, LangItem::AddAssign)`, for example . pub fn binop_traits(kind: hir::BinOpKind) -> Option<(LangItem, LangItem)> { 1,568 ( 0.00%) match kind { . $(hir::BinOpKind::$name => Some((LangItem::$name, LangItem::$assign)),)* . _ => None, . } . } . }; . } . . op_utils! { -- line 2958 ---------------------------------------- -- line 2966 ---------------------------------------- . BitOr BitOrAssign . Shl ShlAssign . Shr ShrAssign . } . . /// Returns `true` if the pattern is a `PatWild`, or is an ident prefixed with `_` . /// that is not locally used. . pub fn pat_is_wild<'tcx>(cx: &LateContext<'tcx>, pat: &'tcx PatKind<'_>, body: impl Visitable<'tcx>) -> bool { 110 ( 0.00%) match *pat { . PatKind::Wild => true, 38 ( 0.00%) PatKind::Binding(_, id, ident, None) if ident.as_str().starts_with('_') => { 64 ( 0.00%) => ???:::as_str (2x) . !visitors::is_local_used(cx, body, id) . }, . _ => false, . } 2 ( 0.00%) } . . #[derive(Clone, Copy)] . pub enum RequiresSemi { . Yes, . No, . } . impl RequiresSemi { . pub fn requires_semi(self) -> bool { -- line 2989 ---------------------------------------- -- line 3433 ---------------------------------------- . /// . /// Similar to [`is_adjusted`], this not only checks if an expression's type was adjusted, . /// but also going through extra steps to see if it fits the description of [coercion sites]. . /// . /// You should used this when you want to avoid suggesting replacing an expression that is currently . /// a coercion site or coercion propagating expression with one that is not. . /// . /// [coercion sites]: https://doc.rust-lang.org/stable/reference/type-coercions.html#coercion-sites 54 ( 0.00%) pub fn expr_requires_coercion<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) -> bool { . let expr_ty_is_adjusted = cx . .typeck_results() 18 ( 0.00%) .expr_adjustments(expr) 11 ( 0.00%) => ???:::expr_adjustments (1x) . .iter() . // ignore `NeverToAny` adjustments, such as `panic!` call. . .any(|adj| !matches!(adj.kind, Adjust::NeverToAny)); . if expr_ty_is_adjusted { . return true; . } . . // Identify coercion sites and recursively check if those sites . // actually have type adjustments. 48 ( 0.00%) match expr.kind { 3 ( 0.00%) ExprKind::Call(_, args) | ExprKind::MethodCall(_, _, args, _) if let Some(def_id) = fn_def_id(cx, expr) => { 1 ( 0.00%) let fn_sig = cx.tcx.fn_sig(def_id).instantiate_identity().skip_norm_wip(); . 1 ( 0.00%) if !fn_sig.output().skip_binder().has_type_flags(TypeFlags::HAS_TY_PARAM) { . return false; . } . 3 ( 0.00%) let self_arg_count = usize::from(matches!(expr.kind, ExprKind::MethodCall(..))); . let mut args_with_ty_param = { . fn_sig . .inputs() . .skip_binder() . .iter() . .skip(self_arg_count) . .zip(args) . .filter_map(|(arg_ty, arg)| { . if arg_ty.has_type_flags(TypeFlags::HAS_TY_PARAM) { . Some(arg) . } else { . None . } . }) . }; 3 ( 0.00%) args_with_ty_param.any(|arg| expr_requires_coercion(cx, arg)) 166 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::expr_requires_coercion'2 (1x) . }, . // Struct/union initialization. . ExprKind::Struct(qpath, _, _) => { . let res = cx.typeck_results().qpath_res(qpath, expr.hir_id); . if let Some((_, v_def)) = adt_and_variant_of_res(cx, res) { . let rustc_ty::Adt(_, generic_args) = cx.typeck_results().expr_ty_adjusted(expr).kind() else { . // This should never happen, but when it does, not linting is the better option. . return true; -- line 3486 ---------------------------------------- -- line 3498 ---------------------------------------- . &Block { . expr: Some(ret_expr), .. . }, . _, . ) . | ExprKind::Ret(Some(ret_expr)) => expr_requires_coercion(cx, ret_expr), . . // ===== Coercion-propagation expressions ===== 9 ( 0.00%) ExprKind::Array(elems) | ExprKind::Tup(elems) => elems.iter().any(|elem| expr_requires_coercion(cx, elem)), 94 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::expr_requires_coercion'2 (2x) . // Array but with repeating syntax. . ExprKind::Repeat(rep_elem, _) => expr_requires_coercion(cx, rep_elem), . // Others that may contain coercion sites. . ExprKind::If(_, then, maybe_else) => { . expr_requires_coercion(cx, then) || maybe_else.is_some_and(|e| expr_requires_coercion(cx, e)) . }, 1 ( 0.00%) ExprKind::Match(_, arms, _) => arms . .iter() . .map(|arm| arm.body) 4 ( 0.00%) .any(|body| expr_requires_coercion(cx, body)), 511 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::expr_requires_coercion'2 (2x) . _ => false, . } 54 ( 0.00%) } . . /// Returns `true` if `expr` designates a mutable static, a mutable local binding, or an expression . /// that can be owned. . pub fn is_mutable(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { . if let Some(hir_id) = expr.res_local_id() . && let Node::Pat(pat) = cx.tcx.hir_node(hir_id) . { . matches!(pat.kind, PatKind::Binding(BindingMode::MUT, ..)) -- line 3527 ---------------------------------------- -- line 3570 ---------------------------------------- . { . Some(into_future_arg) . } else { . None . } . } . . /// Checks if the given expression is a call to `Default::default()`. 437 ( 0.00%) pub fn is_expr_default<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> bool { 1,108 ( 0.00%) if let ExprKind::Call(fn_expr, []) = &expr.kind 40 ( 0.00%) && let ExprKind::Path(qpath) = &fn_expr.kind 90 ( 0.00%) && let Res::Def(_, def_id) = cx.qpath_res(qpath, fn_expr.hir_id) 780 ( 0.00%) => ???:::qpath_res (10x) . { 30 ( 0.00%) cx.tcx.is_diagnostic_item(sym::default_fn, def_id) 704 ( 0.00%) => ???:::is_diagnostic_item (10x) . } else { . false . } 437 ( 0.00%) } . . /// Checks if `expr` may be directly used as the return value of its enclosing body. . /// The following cases are covered: . /// - `expr` as the last expression of the body, or of a block that can be used as the return value . /// - `return expr` . /// - then or else part of a `if` in return position . /// - arm body of a `match` in a return position . /// - `break expr` or `break 'label expr` if the loop or block being exited is used as a return -- line 3595 ---------------------------------------- -- line 3597 ---------------------------------------- . /// . /// Contrary to [`TyCtxt::hir_get_fn_id_for_return_block()`], if `expr` is part of a . /// larger expression, for example a field expression of a `struct`, it will not be . /// considered as matching the condition and will return `false`. . /// . /// Also, even if `expr` is assigned to a variable which is later returned, this function . /// will still return `false` because `expr` is not used *directly* as the return value . /// as it goes through the intermediate variable. 7 ( 0.00%) pub fn potential_return_of_enclosing_body(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 1 ( 0.00%) let enclosing_body_owner = cx . .tcx 7 ( 0.00%) .local_def_id_to_hir_id(cx.tcx.hir_enclosing_body_owner(expr.hir_id)); 459 ( 0.00%) => ???:::hir_enclosing_body_owner (1x) . let mut prev_id = expr.hir_id; . let mut skip_until_id = None; 5 ( 0.00%) for (hir_id, node) in cx.tcx.hir_parent_iter(expr.hir_id) { 1 ( 0.00%) if hir_id == enclosing_body_owner { . return true; . } 2 ( 0.00%) if let Some(id) = skip_until_id { . prev_id = hir_id; . if id == hir_id { . skip_until_id = None; . } . continue; . } 2 ( 0.00%) match node { . Node::Block(Block { expr, .. }) if expr.is_some_and(|expr| expr.hir_id == prev_id) => {}, . Node::Arm(arm) if arm.body.hir_id == prev_id => {}, 4 ( 0.00%) Node::Expr(expr) => match expr.kind { . ExprKind::Ret(_) => return true, . ExprKind::If(_, then, opt_else) . if then.hir_id == prev_id || opt_else.is_some_and(|els| els.hir_id == prev_id) => {}, . ExprKind::Match(_, arms, _) if arms.iter().any(|arm| arm.hir_id == prev_id) => {}, . ExprKind::Block(block, _) if block.hir_id == prev_id => {}, . ExprKind::Break( . Destination { . target_id: Ok(target_id), -- line 3633 ---------------------------------------- -- line 3640 ---------------------------------------- . _ => break, . } . prev_id = hir_id; . } . . // `expr` is used as part of "something" and is not returned directly from its . // enclosing body. . false 9 ( 0.00%) } . . /// Checks if the expression has adjustments that require coercion, for example: dereferencing with . /// overloaded deref, coercing pointers and `dyn` objects. . pub fn expr_adjustment_requires_coercion(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { . cx.typeck_results().expr_adjustments(expr).iter().any(|adj| { . matches!( . adj.kind, . Adjust::Deref(DerefAdjustKind::Overloaded(_)) -- line 3656 ---------------------------------------- -- line 3671 ---------------------------------------- . )), . .. . }) . ) . } . . /// Checks if the chosen edition and `msrv` allows using `if let` chains. . pub fn can_use_if_let_chains(cx: &LateContext<'_>, msrv: Msrv) -> bool { 255 ( 0.00%) cx.tcx.sess.edition().at_least_rust_2024() && msrv.meets(cx, msrvs::LET_CHAINS) 85 ( 0.00%) } . . /// Returns an iterator over successive parent nodes paired with the ID of the node which . /// immediatly preceeded them. . #[inline] . pub fn hir_parent_with_src_iter(tcx: TyCtxt<'_>, mut id: HirId) -> impl Iterator, HirId)> { . tcx.hir_parent_id_iter(id) 11,048 ( 0.00%) .map(move |parent| (tcx.hir_node(parent), mem::replace(&mut id, parent))) 32,396 ( 0.00%) => ???:::hir_node (623x) . } 406,839 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/memchr.rs -------------------------------------------------------------------------------- Ir -- line 19 ---------------------------------------- . x.wrapping_sub(LO_USIZE) & !x & HI_USIZE != 0 . } . . /// Returns the first index matching the byte `x` in `text`. . #[inline] . #[must_use] . pub const fn memchr(x: u8, text: &[u8]) -> Option { . // Fast path for small slices. 15,050 ( 0.00%) if text.len() < 2 * USIZE_BYTES { . return memchr_naive(x, text); . } . 25,165 ( 0.00%) memchr_aligned(x, text) 1,317 ( 0.00%) => ???:core::slice::memchr::memchr_aligned (16x) . } . . #[inline] . const fn memchr_naive(x: u8, text: &[u8]) -> Option { . let mut i = 0; . . // FIXME(const-hack): Replace with `text.iter().pos(|c| *c == x)`. 13,013 ( 0.00%) while i < text.len() { 15,199 ( 0.00%) if text[i] == x { . return Some(i); . } . 4,593 ( 0.00%) i += 1; . } . . None . } . . #[rustc_allow_const_fn_unstable(const_eval_select)] // fallback impl has same behavior . const fn memchr_aligned(x: u8, text: &[u8]) -> Option { . // The runtime version behaves the same as the compiletime version, it's -- line 52 ---------------------------------------- 3,373 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/if_let_mutex.rs -------------------------------------------------------------------------------- Ir -- line 47 ---------------------------------------- . correctness, . "locking a `Mutex` in an `if let` block can cause deadlocks" . } . . declare_lint_pass!(IfLetMutex => [IF_LET_MUTEX]); . . impl<'tcx> LateLintPass<'tcx> for IfLetMutex { . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 156,135 ( 0.00%) if cx.tcx.sess.edition() >= Edition2024 { . return; . } . 52,148 ( 0.00%) if let Some(higher::IfLet { 18 ( 0.00%) let_expr, 18 ( 0.00%) if_then, . if_else: Some(if_else), . .. 104,296 ( 0.00%) }) = higher::IfLet::hir(cx, expr) 283,235 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (52,045x) 36 ( 0.00%) && let ctxt = expr.span.ctxt() 36 ( 0.00%) && let Some(op_mutex) = for_each_expr_without_closures(let_expr, |e| mutex_lock_call(cx, ctxt, e, None)) . && let Some(arm_mutex) = . for_each_expr_without_closures((if_then, if_else), |e| mutex_lock_call(cx, ctxt, e, Some(op_mutex))) . { . let diag = |diag: &mut Diag<'_, ()>| { . diag.span_label( . op_mutex.span, . "this Mutex will remain locked for the entire `if let`-block...", . ); -- line 74 ---------------------------------------- -- line 81 ---------------------------------------- . span_lint_and_then( . cx, . IF_LET_MUTEX, . expr.span, . "calling `Mutex::lock` inside the scope of another `Mutex::lock` causes a deadlock", . diag, . ); . } 52,045 ( 0.00%) } . } . . fn mutex_lock_call<'tcx>( . cx: &LateContext<'tcx>, . ctxt: SyntaxContext, . expr: &'tcx Expr<'_>, . op_mutex: Option<&'tcx Expr<'_>>, . ) -> ControlFlow<&'tcx Expr<'tcx>> { 116 ( 0.00%) if let ExprKind::MethodCall(path, self_arg, [], _) = &expr.kind 22 ( 0.00%) && path.ident.name == sym::lock . && let ty = cx.typeck_results().expr_ty(self_arg).peel_refs() . && ty.is_diag_item(cx, sym::Mutex) . && op_mutex.is_none_or(|op| eq_expr_value(cx, ctxt, self_arg, op)) . { . ControlFlow::Break(self_arg) . } else { . ControlFlow::Continue(()) . } -- line 107 ---------------------------------------- 884,837 ( 0.02%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/hir.rs -------------------------------------------------------------------------------- Ir -- line 249 ---------------------------------------- . Infer, . . /// User wrote `'static` or nothing (which gets converted to `'_`). . Static, . } . . impl LifetimeKind { . fn is_elided(&self) -> bool { 19 ( 0.00%) match self { . LifetimeKind::ImplicitObjectLifetimeDefault | LifetimeKind::Infer => true, . . // It might seem surprising that `Fresh` counts as not *elided* . // -- but this is because, as far as the code in the compiler is . // concerned -- `Fresh` variants act equivalently to "some fresh name". . // They correspond to early-bound regions on an impl, in other words. . LifetimeKind::Error(..) | LifetimeKind::Param(..) | LifetimeKind::Static => false, . } -- line 265 ---------------------------------------- -- line 408 ---------------------------------------- . } . } . . pub fn invalid() -> Self { . Self::new(Ident::dummy(), HirId::INVALID, Res::Err) . } . . pub fn args(&self) -> &GenericArgs<'hir> { 18,029 ( 0.00%) if let Some(ref args) = self.args { args } else { GenericArgs::NONE } . } . } . . #[derive(Clone, Copy, Debug, StableHash)] . pub enum ConstItemRhs<'hir> { . Body(BodyId), . TypeConst(&'hir ConstArg<'hir>), . } -- line 424 ---------------------------------------- -- line 482 ---------------------------------------- . . impl<'hir> ConstArg<'hir> { . /// Converts a `ConstArg` in an unambiguous position to one in an ambiguous position. This is . /// fallible as the [`ConstArgKind::Infer`] variant is not present in ambiguous positions. . /// . /// Functions accepting ambiguous consts will not handle the [`ConstArgKind::Infer`] variant, if . /// infer consts are relevant to you then care should be taken to handle them separately. . pub fn try_as_ambig_ct(&self) -> Option<&ConstArg<'hir, AmbigArg>> { 6 ( 0.00%) if let ConstArgKind::Infer(()) = self.kind { . return None; . } . . // SAFETY: `ConstArg` is `repr(C)` and `ConstArgKind` is marked `repr(u8)` so that the layout is . // the same across different ZST type arguments. We also asserted that the `self` is . // not a `ConstArgKind::Infer` so there is no risk of transmuting a `()` to `AmbigArg`. . let ptr = self as *const ConstArg<'hir> as *const ConstArg<'hir, AmbigArg>; . Some(unsafe { &*ptr }) -- line 498 ---------------------------------------- -- line 746 ---------------------------------------- . Some(self.span_ext).filter(|span| !span.is_empty()) . } . . pub fn is_empty(&self) -> bool { . self.args.is_empty() . } . } . 354 ( 0.00%) #[derive(Copy, Clone, PartialEq, Eq, Debug, StableHash)] . pub enum GenericArgsParentheses { . No, . /// Bounds for `feature(return_type_notation)`, like `T: Trait`, . /// where the args are explicitly elided with `..` . ReturnTypeNotation, . /// parenthesized function-family traits, like `T: Fn(u32) -> i32` . ParenSugar, . } . . /// The modifiers on a trait bound. 18 ( 0.00%) #[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, StableHash)] . pub struct TraitBoundModifiers { . pub constness: BoundConstness, . pub polarity: BoundPolarity, . } . . impl TraitBoundModifiers { . pub const NONE: Self = . TraitBoundModifiers { constness: BoundConstness::Never, polarity: BoundPolarity::Positive }; -- line 773 ---------------------------------------- -- line 777 ---------------------------------------- . pub enum GenericBound<'hir> { . Trait(PolyTraitRef<'hir>), . Outlives(&'hir Lifetime), . Use(&'hir [PreciseCapturingArg<'hir>], Span), . } . . impl GenericBound<'_> { . pub fn trait_ref(&self) -> Option<&TraitRef<'_>> { 45 ( 0.00%) match self { . GenericBound::Trait(data) => Some(&data.trait_ref), . _ => None, . } . } . . pub fn span(&self) -> Span { . match self { . GenericBound::Trait(t, ..) => t.span, -- line 793 ---------------------------------------- -- line 855 ---------------------------------------- . pub source: GenericParamSource, . } . . impl<'hir> GenericParam<'hir> { . /// Synthetic type-parameters are inserted after normal ones. . /// In order for normal parameters to be able to refer to synthetic ones, . /// scans them first. . pub fn is_impl_trait(&self) -> bool { 200 ( 0.00%) matches!(self.kind, GenericParamKind::Type { synthetic: true, .. }) . } . . /// This can happen for `async fn`, e.g. `async fn f<'_>(&'_ self)`. . /// . /// See `lifetime_to_generic_param` in `rustc_ast_lowering` for more information. . pub fn is_elided_lifetime(&self) -> bool { 3,267 ( 0.00%) matches!(self.kind, GenericParamKind::Lifetime { kind: LifetimeParamKind::Elided(_) }) . } . . pub fn is_lifetime(&self) -> bool { . matches!(self.kind, GenericParamKind::Lifetime { .. }) . } . } . . /// Records where the generic parameter originated from. -- line 878 ---------------------------------------- -- line 972 ---------------------------------------- . "" . } . } . . pub fn bounds_for_param( . &self, . param_def_id: LocalDefId, . ) -> impl Iterator> { 34 ( 0.00%) self.predicates.iter().filter_map(move |pred| match pred.kind { . WherePredicateKind::BoundPredicate(bp) 102 ( 0.00%) if bp.is_param_bound(param_def_id.to_def_id()) => 189 ( 0.00%) => ???:::is_param_bound (9x) . { . Some(bp) . } . _ => None, . }) . } . . pub fn outlives_for_param( -- line 990 ---------------------------------------- -- line 1221 ---------------------------------------- . pub fn bounds(&self) -> GenericBounds<'hir> { . match self { . WherePredicateKind::BoundPredicate(p) => p.bounds, . WherePredicateKind::RegionPredicate(p) => p.bounds, . } . } . } . 9 ( 0.00%) #[derive(Copy, Clone, Debug, StableHash, PartialEq, Eq)] . pub enum PredicateOrigin { . WhereClause, . GenericParam, . ImplTrait, . } . . /// A type bound (e.g., `for<'c> Foo: Send + Clone + 'c`). . #[derive(Debug, Clone, Copy, StableHash)] -- line 1237 ---------------------------------------- -- line 1437 ---------------------------------------- . #[inline] . fn value_span(&self) -> Option { . self.value_lit().map(|i| i.span) . } . . /// For a single-segment attribute, returns its name; otherwise, returns `None`. . #[inline] . fn name(&self) -> Option { 84 ( 0.00%) match &self { . Attribute::Unparsed(n) => { . if let [ident] = n.path.segments.as_ref() { . Some(*ident) . } else { . None . } . } . _ => None, -- line 1453 ---------------------------------------- -- line 1468 ---------------------------------------- . Some(*span) . } else { . None . } . } . . #[inline] . fn span(&self) -> Span { 1,404 ( 0.00%) match &self { . Attribute::Unparsed(u) => u.span, . // FIXME: should not be needed anymore when all attrs are parsed . Attribute::Parsed(AttributeKind::DocComment { span, .. }) => *span, . Attribute::Parsed(AttributeKind::Deprecated { span, .. }) => *span, . Attribute::Parsed(AttributeKind::CfgTrace(cfgs)) => cfgs[0].1, . a => panic!("can't get the span of an arbitrary parsed attribute: {a:?}"), . } . } -- line 1484 ---------------------------------------- -- line 1490 ---------------------------------------- . matches!(n.args, AttrArgs::Empty) . } . _ => false, . } . } . . #[inline] . fn symbol_path(&self) -> Option> { 160,240 ( 0.00%) match &self { 1,808 ( 0.00%) Attribute::Unparsed(n) => Some(n.path.segments.iter().copied().collect()), . _ => None, . } . } . . fn path_span(&self) -> Option { . match &self { . Attribute::Unparsed(attr) => Some(attr.path.span), . Attribute::Parsed(_) => None, -- line 1507 ---------------------------------------- -- line 1517 ---------------------------------------- . } . . fn is_automatically_derived_attr(&self) -> bool { . matches!(self, Attribute::Parsed(AttributeKind::AutomaticallyDerived)) . } . . #[inline] . fn doc_str_and_fragment_kind(&self) -> Option<(Symbol, DocFragmentKind)> { 928 ( 0.00%) match &self { . Attribute::Parsed(AttributeKind::DocComment { kind, comment, .. }) => { 1,248 ( 0.00%) Some((*comment, *kind)) . } . _ => None, . } . } . . fn doc_resolution_scope(&self) -> Option { . match self { . Attribute::Parsed(AttributeKind::DocComment { style, .. }) => Some(*style), -- line 1535 ---------------------------------------- -- line 1536 ---------------------------------------- . Attribute::Unparsed(attr) if self.has_name(sym::doc) && self.value_str().is_some() => { . Some(attr.style) . } . _ => None, . } . } . . fn is_proc_macro_attr(&self) -> bool { 4 ( 0.00%) matches!( . self, . Attribute::Parsed( . AttributeKind::ProcMacro . | AttributeKind::ProcMacroAttribute . | AttributeKind::ProcMacroDerive { .. } . ) . ) . } . . fn is_doc_hidden(&self) -> bool { 1,028 ( 0.00%) matches!(self, Attribute::Parsed(AttributeKind::Doc(d)) if d.hidden.is_some()) . } . . fn is_doc_keyword_or_attribute(&self) -> bool { . matches!(self, Attribute::Parsed(AttributeKind::Doc(d)) if d.attribute.is_some() || d.keyword.is_some()) . } . . fn is_rustc_doc_primitive(&self) -> bool { . matches!(self, Attribute::Parsed(AttributeKind::RustcDocPrimitive(..))) -- line 1563 ---------------------------------------- -- line 1870 ---------------------------------------- . pub kind: PatKind<'hir>, . pub span: Span, . /// Whether to use default binding modes. . /// At present, this is false only for destructuring assignment. . pub default_binding_modes: bool, . } . . impl<'hir> Pat<'hir> { 18 ( 0.00%) fn walk_short_(&self, it: &mut impl FnMut(&Pat<'hir>) -> bool) -> bool { 18 ( 0.00%) if !it(self) { . return false; . } . . use PatKind::*; 16 ( 0.00%) match self.kind { . Missing => unreachable!(), . Wild | Never | Expr(_) | Range(..) | Binding(.., None) | Err(_) => true, . Box(s) | Deref(s) | Ref(s, _, _) | Binding(.., Some(s)) | Guard(s, _) => { . s.walk_short_(it) . } . Struct(_, fields, _) => fields.iter().all(|field| field.pat.walk_short_(it)), . TupleStruct(_, s, _) | Tuple(s, _) | Or(s) => s.iter().all(|p| p.walk_short_(it)), . Slice(before, slice, after) => { . before.iter().chain(slice).chain(after.iter()).all(|p| p.walk_short_(it)) . } . } 16 ( 0.00%) } . . /// Walk the pattern in left-to-right order, . /// short circuiting (with `.all(..)`) if `false` is returned. . /// . /// Note that when visiting e.g. `Tuple(ps)`, . /// if visiting `ps[0]` returns `false`, . /// then `ps[1]` will not be visited. . pub fn walk_short(&self, mut it: impl FnMut(&Pat<'hir>) -> bool) -> bool { 4 ( 0.00%) self.walk_short_(&mut it) 902 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/hir.rs:::walk_short_:: (2x) . } . 561 ( 0.00%) fn walk_(&self, it: &mut impl FnMut(&Pat<'hir>) -> bool) { 16 ( 0.00%) if !it(self) { . return; . } . . use PatKind::*; 203 ( 0.00%) match self.kind { . Missing | Wild | Never | Expr(_) | Range(..) | Binding(.., None) | Err(_) => {} . Box(s) | Deref(s) | Ref(s, _, _) | Binding(.., Some(s)) | Guard(s, _) => s.walk_(it), . Struct(_, fields, _) => fields.iter().for_each(|field| field.pat.walk_(it)), 14 ( 0.00%) TupleStruct(_, s, _) | Tuple(s, _) | Or(s) => s.iter().for_each(|p| p.walk_(it)), 582 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/hir.rs:::walk_::<::each_binding_or_first::{closure#0}>::{closure#0}>'2 (6x) . Slice(before, slice, after) => { . before.iter().chain(slice).chain(after.iter()).for_each(|p| p.walk_(it)) . } . } 352 ( 0.00%) } . . /// Walk the pattern in left-to-right order. . /// . /// If `it(pat)` returns `false`, the children are not visited. . pub fn walk(&self, mut it: impl FnMut(&Pat<'hir>) -> bool) { 71 ( 0.00%) self.walk_(&mut it) 593 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/hir.rs:::walk_::<::walk_always<::each_binding::{closure#0}>::{closure#0}> (10x) . } . . /// Walk the pattern in left-to-right order. . /// . /// If you always want to recurse, prefer this method over `walk`. . pub fn walk_always(&self, mut it: impl FnMut(&Pat<'_>)) { . self.walk(|p| { 11 ( 0.00%) it(p); . true . }) . } . . /// Whether this a never pattern. . pub fn is_never_pattern(&self) -> bool { . let mut is_never_pattern = false; . self.walk(|pat| match &pat.kind { -- line 1945 ---------------------------------------- -- line 2036 ---------------------------------------- . RangeEnd::Excluded => "..", . }) . } . } . . // Equivalent to `Option`. That type takes up 16 bytes on 64-bit, but . // this type only takes up 4 bytes, at the cost of being restricted to a . // maximum value of `u32::MAX - 1`. In practice, this is more than enough. 39 ( 0.00%) #[derive(Clone, Copy, PartialEq, Eq, Hash, StableHash)] . pub struct DotDotPos(u32); . . impl DotDotPos { . /// Panics if n >= u32::MAX. . pub fn new(n: Option) -> Self { . match n { . Some(n) => { . assert!(n < u32::MAX as usize); . Self(n as u32) . } . None => Self(u32::MAX), . } . } . . pub fn as_opt_usize(&self) -> Option { 840 ( 0.00%) if self.0 == u32::MAX { None } else { Some(self.0 as usize) } . } . } . . impl fmt::Debug for DotDotPos { . fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { . self.as_opt_usize().fmt(f) . } . } -- line 2068 ---------------------------------------- -- line 2256 ---------------------------------------- . #[stable_hash(ignore)] . pub hir_id: HirId, . pub ident: Ident, . pub expr: &'hir Expr<'hir>, . pub span: Span, . pub is_shorthand: bool, . } . 12 ( 0.00%) #[derive(Copy, Clone, PartialEq, Debug, StableHash)] . pub enum BlockCheckMode { . DefaultBlock, . UnsafeBlock(UnsafeSource), . } . . #[derive(Copy, Clone, PartialEq, Debug, StableHash)] . pub enum UnsafeSource { . CompilerGenerated, -- line 2272 ---------------------------------------- -- line 2302 ---------------------------------------- . #[derive(Debug, Clone, Copy, StableHash)] . pub struct Body<'hir> { . pub params: &'hir [Param<'hir>], . pub value: &'hir Expr<'hir>, . } . . impl<'hir> Body<'hir> { . pub fn id(&self) -> BodyId { 6,467 ( 0.00%) BodyId { hir_id: self.value.hir_id } . } . } . . /// The type of source expression that caused this coroutine to be created. . #[derive(Clone, PartialEq, Eq, Debug, Copy, Hash, StableHash, Encodable, Decodable)] . pub enum CoroutineKind { . /// A coroutine that comes from a desugaring. . Desugared(CoroutineDesugaring, CoroutineSource), -- line 2318 ---------------------------------------- -- line 2719 ---------------------------------------- . . /// If `Self.kind` is `ExprKind::DropTemps(expr)`, drill down until we get a non-`DropTemps` . /// `Expr`. This is used in suggestions to ignore this `ExprKind` as it is semantically . /// silent, only signaling the ownership system. By doing this, suggestions that check the . /// `ExprKind` of any given `Expr` for presentation don't have to care about `DropTemps` . /// beyond remembering to call this function before doing analysis on it. . pub fn peel_drop_temps(&self) -> &Self { . let mut expr = self; 12,654 ( 0.00%) while let ExprKind::DropTemps(inner) = &expr.kind { 23 ( 0.00%) expr = inner; . } . expr . } . . pub fn peel_blocks(&self) -> &Self { . let mut expr = self; 559,488 ( 0.01%) while let ExprKind::Block(Block { expr: Some(inner), .. }, _) = &expr.kind { . expr = inner; . } . expr . } . . pub fn peel_borrows(&self) -> &Self { . let mut expr = self; 173,794 ( 0.00%) while let ExprKind::AddrOf(.., inner) = &expr.kind { 8,759 ( 0.00%) expr = inner; . } . expr . } . . pub fn can_have_side_effects(&self) -> bool { . match self.peel_drop_temps().kind { . ExprKind::Path(_) | ExprKind::Lit(_) | ExprKind::OffsetOf(..) | ExprKind::Use(..) => { . false -- line 2752 ---------------------------------------- -- line 3137 ---------------------------------------- . AwaitDesugar, . /// A desugared `expr = expr`, where the LHS is a tuple, struct, array or underscore expression. . AssignDesugar, . /// A contract `#[ensures(..)]` attribute injects a let binding for the check that runs at point of return. . Contract, . } . . /// Hints at the original code for a `match _ { .. }`. 649 ( 0.00%) #[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, StableHash, Encodable, Decodable)] . pub enum MatchSource { . /// A `match _ { .. }`. . Normal, . /// A `expr.match { .. }`. . Postfix, . /// A desugared `for _ in _ { .. }` loop. . ForLoopDesugar, . /// A desugared `?` operator. -- line 3153 ---------------------------------------- -- line 3402 ---------------------------------------- . trait_item_def_id: Result, . }, . } . . impl<'hir> ImplItem<'hir> { . #[inline] . pub fn hir_id(&self) -> HirId { . // Items are always HIR owners. 1,272 ( 0.00%) HirId::make_owner(self.owner_id.def_id) . } . . pub fn impl_item_id(&self) -> ImplItemId { . ImplItemId { owner_id: self.owner_id } . } . . pub fn vis_span(&self) -> Option { . match self.impl_kind { -- line 3418 ---------------------------------------- -- line 3559 ---------------------------------------- . . impl<'hir> Ty<'hir> { . /// Converts a `Ty` in an unambiguous position to one in an ambiguous position. This is . /// fallible as the [`TyKind::Infer`] variant is not present in ambiguous positions. . /// . /// Functions accepting ambiguous types will not handle the [`TyKind::Infer`] variant, if . /// infer types are relevant to you then care should be taken to handle them separately. . pub fn try_as_ambig_ty(&self) -> Option<&Ty<'hir, AmbigArg>> { 48,744 ( 0.00%) if let TyKind::Infer(()) = self.kind { . return None; . } . . // SAFETY: `Ty` is `repr(C)` and `TyKind` is marked `repr(u8)` so that the layout is . // the same across different ZST type arguments. We also asserted that the `self` is . // not a `TyKind::Infer` so there is no risk of transmuting a `()` to `AmbigArg`. . let ptr = self as *const Ty<'hir> as *const Ty<'hir, AmbigArg>; . Some(unsafe { &*ptr }) . } . } . . impl<'hir> Ty<'hir, AmbigArg> { . pub fn peel_refs(&self) -> &Ty<'hir> { . let mut final_ty = self.as_unambig_ty(); 1,901 ( 0.00%) while let TyKind::Ref(_, MutTy { ty, .. }) = &final_ty.kind { 480 ( 0.00%) final_ty = ty; . } . final_ty . } . } . . impl<'hir> Ty<'hir> { . pub fn peel_refs(&self) -> &Self { . let mut final_ty = self; 27 ( 0.00%) while let TyKind::Ref(_, MutTy { ty, .. }) = &final_ty.kind { 9 ( 0.00%) final_ty = ty; . } . final_ty . } . . /// Returns `true` if `param_def_id` matches the `bounded_ty` of this predicate. . pub fn as_generic_param(&self) -> Option<(DefId, Ident)> { 23,852 ( 0.00%) let TyKind::Path(QPath::Resolved(None, path)) = self.kind else { . return None; . }; 6,765 ( 0.00%) let [segment] = &path.segments else { . return None; . }; 7,988 ( 0.00%) match path.res { 60 ( 0.00%) Res::Def(DefKind::TyParam, def_id) | Res::SelfTyParam { trait_: def_id } => { 36 ( 0.00%) Some((def_id, segment.ident)) . } . _ => None, . } . } . . pub fn find_self_aliases(&self) -> Vec { . use crate::intravisit::Visitor; . struct MyVisitor(Vec); -- line 3616 ---------------------------------------- -- line 3729 ---------------------------------------- . } . } . . /// Returns the matching `PrimTy` for a `Symbol` such as "str" or "i32". . /// Returns `None` if no matching type is found. . pub fn from_name(name: Symbol) -> Option { . let ty = match name { . // any changes here should also be reflected in `PrimTy::ALL` 126 ( 0.00%) sym::i8 => Self::Int(IntTy::I8), . sym::i16 => Self::Int(IntTy::I16), . sym::i32 => Self::Int(IntTy::I32), . sym::i64 => Self::Int(IntTy::I64), . sym::i128 => Self::Int(IntTy::I128), . sym::isize => Self::Int(IntTy::Isize), . sym::u8 => Self::Uint(UintTy::U8), . sym::u16 => Self::Uint(UintTy::U16), . sym::u32 => Self::Uint(UintTy::U32), -- line 3745 ---------------------------------------- -- line 3751 ---------------------------------------- . sym::f64 => Self::Float(FloatTy::F64), . sym::f128 => Self::Float(FloatTy::F128), . sym::bool => Self::Bool, . sym::char => Self::Char, . sym::str => Self::Str, . _ => return None, . }; . Some(ty) 14 ( 0.00%) } . } . . #[derive(Debug, Clone, Copy, StableHash)] . pub struct FnPtrTy<'hir> { . pub safety: Safety, . pub abi: ExternAbi, . pub generic_params: &'hir [GenericParam<'hir>], . pub decl: &'hir FnDecl<'hir>, -- line 3767 ---------------------------------------- -- line 4215 ---------------------------------------- . . /// Do the function arguments end with a C-style variadic argument? . pub fn c_variadic(self) -> bool { . self.flags & Self::C_VARIADIC_FLAG != 0 . } . . /// Is lifetime elision allowed? . pub fn lifetime_elision_allowed(self) -> bool { 314 ( 0.00%) self.flags & Self::LIFETIME_ELISION_ALLOWED_FLAG != 0 . } . . /// Get the splatted argument index, if any. . pub fn splatted(self) -> Option { . if self.splatted == Self::NO_SPLATTED_ARG_INDEX { None } else { Some(self.splatted) } . } . } . -- line 4231 ---------------------------------------- -- line 4266 ---------------------------------------- . self.fn_decl_kind.implicit_self() . } . . pub fn c_variadic(&self) -> bool { . self.fn_decl_kind.c_variadic() . } . . pub fn lifetime_elision_allowed(&self) -> bool { 151 ( 0.00%) self.fn_decl_kind.lifetime_elision_allowed() . } . . pub fn splatted(&self) -> Option { . self.fn_decl_kind.splatted() . } . . pub fn dummy(span: Span) -> Self { . Self { -- line 4282 ---------------------------------------- -- line 4301 ---------------------------------------- . /// Represents when a function does not have a self argument or . /// when a function has a `self: X` argument. . None, . } . . impl ImplicitSelfKind { . /// Does this represent an implicit self? . pub fn has_implicit_self(&self) -> bool { 642 ( 0.00%) !matches!(*self, ImplicitSelfKind::None) . } . } . . #[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Debug, StableHash)] . pub enum IsAsync { . Async(Span), . NotAsync, . } . . impl IsAsync { . pub fn is_async(self) -> bool { 709 ( 0.00%) matches!(self, IsAsync::Async(_)) . } . } . . #[derive(Copy, Clone, PartialEq, Eq, Debug, Encodable, Decodable, StableHash)] . #[derive(Default)] . pub enum Defaultness { . Default { . has_value: bool, -- line 4329 ---------------------------------------- -- line 4359 ---------------------------------------- . DefaultReturn(Span), . /// Everything else. . Return(&'hir Ty<'hir>), . } . . impl<'hir> FnRetTy<'hir> { . #[inline] . pub fn span(&self) -> Span { 2,166 ( 0.00%) match *self { 61 ( 0.00%) Self::DefaultReturn(span) => span, 678 ( 0.00%) Self::Return(ref ty) => ty.span, . } . } . . pub fn is_suggestable_infer_ty(&self) -> Option<&'hir Ty<'hir>> { . if let Self::Return(ty) = self . && ty.is_suggestable_infer_ty() . { . return Some(*ty); -- line 4377 ---------------------------------------- -- line 4594 ---------------------------------------- . /// either an `EiiImpls` or `EiiExternTarget` attribute . pub eii: bool, . } . . impl<'hir> Item<'hir> { . #[inline] . pub fn hir_id(&self) -> HirId { . // Items are always HIR owners. 4,048 ( 0.00%) HirId::make_owner(self.owner_id.def_id) . } . . #[inline] . pub fn item_id(&self) -> ItemId { . ItemId { owner_id: self.owner_id } . } . . /// Check if this is an [`ItemKind::Enum`], [`ItemKind::Struct`] or -- line 4610 ---------------------------------------- -- line 4789 ---------------------------------------- . pub safety: HeaderSafety, . pub constness: Constness, . pub asyncness: IsAsync, . pub abi: ExternAbi, . } . . impl FnHeader { . pub fn is_async(&self) -> bool { 752 ( 0.00%) matches!(self.asyncness, IsAsync::Async(_)) . } . . pub fn is_unsafe(&self) -> bool { . self.safety().is_unsafe() . } . . pub fn is_safe(&self) -> bool { . self.safety().is_safe() . } . . pub fn safety(&self) -> Safety { 1,936 ( 0.00%) match self.safety { . HeaderSafety::SafeTargetFeatures => Safety::Unsafe, . HeaderSafety::Normal(safety) => safety, . } . } . } . . #[derive(Debug, Clone, Copy, StableHash)] . pub enum ItemKind<'hir> { -- line 4817 ---------------------------------------- -- line 4905 ---------------------------------------- . // We do not put a `Span` in `Defaultness` because it breaks foreign crate metadata . // decoding as `Span`s cannot be decoded when a `Session` is not available. . pub defaultness_span: Option, . pub trait_ref: TraitRef<'hir>, . } . . impl ItemKind<'_> { . pub fn ident(&self) -> Option { 210 ( 0.00%) match *self { . ItemKind::ExternCrate(_, ident) . | ItemKind::Use(_, UseKind::Single(ident)) . | ItemKind::Static(_, ident, ..) . | ItemKind::Const(ident, ..) . | ItemKind::Fn { ident, .. } . | ItemKind::Macro(ident, ..) . | ItemKind::Mod(ident, ..) . | ItemKind::TyAlias(ident, ..) -- line 4921 ---------------------------------------- -- line 4925 ---------------------------------------- . | ItemKind::Trait { ident, .. } . | ItemKind::TraitAlias(_, ident, ..) => Some(ident), . . ItemKind::Use(_, UseKind::Glob | UseKind::ListStem) . | ItemKind::ForeignMod { .. } . | ItemKind::GlobalAsm { .. } . | ItemKind::Impl(_) => None, . } 12 ( 0.00%) } . . pub fn generics(&self) -> Option<&Generics<'_>> { . Some(match self { . ItemKind::Fn { generics, .. } . | ItemKind::TyAlias(_, generics, _) . | ItemKind::Const(_, generics, _, _) . | ItemKind::Enum(_, generics, _) . | ItemKind::Struct(_, generics, _) -- line 4941 ---------------------------------------- 170,596 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unit_types/unit_arg.rs -------------------------------------------------------------------------------- Ir -- line 7 ---------------------------------------- . use clippy_utils::{is_empty_block, is_expr_default, is_from_proc_macro}; . use rustc_errors::Applicability; . use rustc_hir::{Block, Expr, ExprKind, MatchSource, Node, StmtKind}; . use rustc_lint::LateContext; . use rustc_span::SyntaxContext; . . use super::{UNIT_ARG, utils}; . 468,405 ( 0.01%) pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 104,090 ( 0.00%) if expr.span.from_expansion() { . return; . } . . // apparently stuff in the desugaring of `?` can trigger this . // so check for that here . // only the calls to `Try::from_error` is marked as desugared, . // so we need to check both the current Expr and its parent. 22,404 ( 0.00%) if is_questionmark_desugar_marked_call(expr) { . return; . } 88,798 ( 0.00%) if let Node::Expr(parent_expr) = cx.tcx.parent_hir_node(expr.hir_id) 894,696 ( 0.02%) => ???:::parent_hir_node (10,167x) 6,036 ( 0.00%) && is_questionmark_desugar_marked_call(parent_expr) . { . return; . } . 39,156 ( 0.00%) let (receiver, args) = match expr.kind { . ExprKind::Call(_, args) => (None, args), 5,528 ( 0.00%) ExprKind::MethodCall(_, receiver, args, _) => (Some(receiver), args), . _ => return, . }; . . let args_to_recover = receiver . .into_iter() . .chain(args) . .filter(|arg| { 6,254 ( 0.00%) if cx.typeck_results().expr_ty(arg).is_unit() && !utils::is_unit_literal(arg) { 125,260 ( 0.00%) => ???:::expr_ty (3,120x) . !matches!( . &arg.kind, . ExprKind::Match(.., MatchSource::TryDesugar(_)) | ExprKind::Path(..) . ) . } else { . false . } . }) . .collect::>(); 2,028 ( 0.00%) if !args_to_recover.is_empty() && !is_from_proc_macro(cx, expr) { . lint_unit_args(cx, expr, args_to_recover.as_slice()); . } 416,360 ( 0.01%) } . . fn is_questionmark_desugar_marked_call(expr: &Expr<'_>) -> bool { . use rustc_span::hygiene::DesugaringKind; 25,091 ( 0.00%) if let ExprKind::Call(callee, _) = expr.kind { 8,106 ( 0.00%) callee.span.is_desugaring(DesugaringKind::QuestionMark) 261,107 ( 0.00%) => ???:::is_desugaring (2,702x) . } else { . false . } . } . . fn lint_unit_args<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, args_to_recover: &[&'tcx Expr<'tcx>]) { . let mut applicability = Applicability::MachineApplicable; . let (singular, plural) = if args_to_recover.len() > 1 { -- line 69 ---------------------------------------- 5,994 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/needless_borrows_for_generic_args.rs -------------------------------------------------------------------------------- Ir -- line 67 ---------------------------------------- . /// be moved. . possible_borrowers: Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, . . // `IntoIterator` for arrays requires Rust 1.53. . msrv: Msrv, . } . impl NeedlessBorrowsForGenericArgs<'_> { . pub fn new(conf: &'static Conf) -> Self { 4 ( 0.00%) Self { . possible_borrowers: Vec::new(), . msrv: conf.msrv.into(), . } . } . } . . impl<'tcx> LateLintPass<'tcx> for NeedlessBorrowsForGenericArgs<'tcx> { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,090 ( 0.00%) if matches!(expr.kind, ExprKind::AddrOf(..)) 17,236 ( 0.00%) && !expr.span.from_expansion() 6,050 ( 0.00%) && let use_site = get_expr_use_site(cx.tcx, cx.typeck_results(), SyntaxContext::root(), expr) 168,889 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_expr_use_site (550x) 2,118 ( 0.00%) && use_site.same_ctxt . && !use_site.is_ty_unified 4,016 ( 0.00%) && let use_node = use_site.use_node(cx) 19,758 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:::use_node (502x) 3,365 ( 0.00%) && let Some(DefinedTy::Mir { def_site_def_id: _, ty }) = use_node.defined_ty(cx) 72,089 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:::defined_ty (502x) 890 ( 0.00%) && let ty::Param(param_ty) = *ty.skip_binder().kind() 1,104 ( 0.00%) && let Some((hir_id, fn_id, i)) = match use_node { . ExprUseNode::MethodArg(_, _, 0) => None, 81 ( 0.00%) ExprUseNode::MethodArg(hir_id, None, i) => cx . .typeck_results() 405 ( 0.00%) .type_dependent_def_id(hir_id) 4,131 ( 0.00%) => ???:::type_dependent_def_id (81x) . .map(|id| (hir_id, id, i)), . ExprUseNode::FnArg( . &Expr { . kind: ExprKind::Path(ref p), 22 ( 0.00%) hir_id, . .. . }, 11 ( 0.00%) i, 154 ( 0.00%) ) if !path_has_args(p) => match cx.typeck_results().qpath_res(p, hir_id) { 633 ( 0.00%) => ???:::qpath_res (11x) 44 ( 0.00%) Res::Def(DefKind::Fn | DefKind::Ctor(..) | DefKind::AssocFn, id) => Some((hir_id, id, i)), . _ => None, 11 ( 0.00%) }, . _ => None, . } 1,196 ( 0.00%) && let count = needless_borrow_count( 228,076 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/needless_borrows_for_generic_args.rs:clippy_lints::needless_borrows_for_generic_args::needless_borrow_count (92x) . cx, . &mut self.possible_borrowers, . fn_id, 368 ( 0.00%) cx.typeck_results().node_args(hir_id), 3,601 ( 0.00%) => ???:::node_args (92x) . i, . param_ty, . expr, . self.msrv, . ) 184 ( 0.00%) && count != 0 . { . span_lint_and_then( . cx, . NEEDLESS_BORROWS_FOR_GENERIC_ARGS, . expr.span, . "the borrowed expression implements the required traits", . |diag| { . let mut app = Applicability::MachineApplicable; . let snip_span = peel_n_hir_expr_refs(expr, count).0.span; . let snip = snippet_with_context(cx, snip_span, expr.span.ctxt(), "..", &mut app).0; . diag.span_suggestion(expr.span, "change this to", snip.into_owned(), app); . }, . ); . } 416,360 ( 0.01%) } . 3,220 ( 0.00%) fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &Body<'_>) { . if self . .possible_borrowers . .last() . .is_some_and(|&(local_def_id, _)| local_def_id == cx.tcx.hir_body_owner_def_id(body.id())) . { . self.possible_borrowers.pop(); . } 3,680 ( 0.00%) } . } . . fn path_has_args(p: &QPath<'_>) -> bool { 22 ( 0.00%) match *p { 27 ( 0.00%) QPath::Resolved(_, Path { segments: [.., s], .. }) | QPath::TypeRelative(_, s) => s.args.is_some(), . QPath::Resolved(..) => false, . } . } . . /// Checks for the number of borrow expressions which can be removed from the given expression . /// where the expression is used as an argument to a function expecting a generic type. . /// . /// The following constraints will be checked: . /// * The borrowed expression meets all the generic type's constraints. . /// * The generic type appears only once in the functions signature. . /// * The borrowed value is: . /// - `Copy` itself, or . /// - the only use of a mutable reference, or . /// - not a variable (created by a function call) . #[expect(clippy::too_many_arguments, clippy::too_many_lines)] 1,196 ( 0.00%) fn needless_borrow_count<'tcx>( . cx: &LateContext<'tcx>, . possible_borrowers: &mut Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, . fn_id: DefId, . callee_args: ty::GenericArgsRef<'tcx>, . arg_index: usize, . param_ty: ParamTy, . mut expr: &Expr<'tcx>, . msrv: Msrv, . ) -> usize { 368 ( 0.00%) let destruct_trait_def_id = cx.tcx.lang_items().destruct_trait(); 2,760 ( 0.00%) => ???:::lang_items (92x) 184 ( 0.00%) let sized_trait_def_id = cx.tcx.lang_items().sized_trait(); 2,760 ( 0.00%) => ???:::lang_items (92x) 184 ( 0.00%) let meta_sized_trait_def_id = cx.tcx.lang_items().meta_sized_trait(); 2,760 ( 0.00%) => ???:::lang_items (92x) 184 ( 0.00%) let drop_trait_def_id = cx.tcx.lang_items().drop_trait(); 2,760 ( 0.00%) => ???:::lang_items (92x) . . let fn_sig = cx . .tcx . .fn_sig(fn_id) . .instantiate_identity() . .skip_norm_wip() . .skip_binder(); . let clauses = cx.tcx.param_env(fn_id).caller_bounds(); . let projection_predicates = clauses . .iter() . .filter_map(|clause| { 1,388 ( 0.00%) if let ClauseKind::Projection(projection_predicate) = clause.kind().skip_binder() { 4,858 ( 0.00%) => ???:::kind (347x) . Some(projection_predicate) . } else { . None . } . }) . .collect::>(); . . let mut trait_with_ref_mut_self_method = false; . . // If no traits were found, or only the `Destruct`, `Sized`, or `Any` traits were found, return. . if clauses . .iter() . .filter_map(|clause| { 568 ( 0.00%) if let ClauseKind::Trait(trait_predicate) = clause.kind().skip_binder() 1,988 ( 0.00%) => ???:::kind (142x) 375 ( 0.00%) && trait_predicate.trait_ref.self_ty() == param_ty.to_ty(cx.tcx) . { . Some(trait_predicate.trait_ref.def_id) . } else { . None . } . }) . .inspect(|trait_def_id| { 100 ( 0.00%) trait_with_ref_mut_self_method |= has_ref_mut_self_method(cx, *trait_def_id); . }) . .all(|trait_def_id| { . Some(trait_def_id) == destruct_trait_def_id . || Some(trait_def_id) == sized_trait_def_id . || Some(trait_def_id) == meta_sized_trait_def_id 292 ( 0.00%) || cx.tcx.is_diagnostic_item(sym::Any, trait_def_id) 3,212 ( 0.00%) => ???:::is_diagnostic_item (73x) . }) . { . return 0; . } . . // See: . // - https://github.com/rust-lang/rust-clippy/pull/9674#issuecomment-1289294201 . // - https://github.com/rust-lang/rust-clippy/pull/9674#issuecomment-1292225232 -- line 229 ---------------------------------------- -- line 231 ---------------------------------------- . .iter() . .any(|projection_predicate| is_mixed_projection_predicate(cx, fn_id, projection_predicate)) . { . return 0; . } . . // `args_with_referent_ty` can be constructed outside of `check_referent` because the same . // elements are modified each time `check_referent` is called. 73 ( 0.00%) let mut args_with_referent_ty = callee_args.to_vec(); . . let mut check_reference_and_referent = |reference: &Expr<'tcx>, referent: &Expr<'tcx>| { 292 ( 0.00%) if let ExprKind::Field(base, _) = &referent.kind 136 ( 0.00%) && let base_ty = cx.typeck_results().expr_ty(base) 2,720 ( 0.00%) => ???:::expr_ty (68x) 680 ( 0.00%) && drop_trait_def_id.is_some_and(|id| implements_trait(cx, base_ty, id, &[])) 94,881 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::implements_trait (68x) . { . return false; . } . 73 ( 0.00%) let referent_ty = cx.typeck_results().expr_ty(referent); 2,920 ( 0.00%) => ???:::expr_ty (73x) . 365 ( 0.00%) if !(is_copy(cx, referent_ty) 17,385 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::is_copy (73x) 73 ( 0.00%) || referent_ty.is_ref() && referent_used_exactly_once(cx, possible_borrowers, reference) 219 ( 0.00%) || matches!(referent.kind, ExprKind::Call(..) | ExprKind::MethodCall(..))) . { . return false; . } . . // https://github.com/rust-lang/rust-clippy/pull/9136#pullrequestreview-1037379321 . if trait_with_ref_mut_self_method && !matches!(referent_ty.kind(), ty::Ref(_, _, Mutability::Mut)) { . return false; . } -- line 261 ---------------------------------------- -- line 290 ---------------------------------------- . .skip_norm_wip(); . let obligation = Obligation::new(cx.tcx, ObligationCause::dummy(), cx.param_env, clause); . let infcx = cx.tcx.infer_ctxt().build(cx.typing_mode()); . infcx.predicate_must_hold_modulo_regions(&obligation) . }) . }; . . let mut count = 0; 292 ( 0.00%) while let ExprKind::AddrOf(_, _, referent) = expr.kind { . if !check_reference_and_referent(expr, referent) { . break; . } . expr = referent; . count += 1; . } . count 828 ( 0.00%) } . . fn has_ref_mut_self_method(cx: &LateContext<'_>, trait_def_id: DefId) -> bool { . cx.tcx . .associated_items(trait_def_id) . .in_definition_order() . .any(|assoc_item| { . if assoc_item.is_method() { 657 ( 0.00%) let self_ty = cx . .tcx 438 ( 0.00%) .fn_sig(assoc_item.def_id) . .instantiate_identity() . .skip_norm_wip() . .skip_binder() . .inputs()[0]; 438 ( 0.00%) matches!(self_ty.kind(), ty::Ref(_, _, Mutability::Mut)) . } else { . false . } . }) . } . . fn is_mixed_projection_predicate<'tcx>( . cx: &LateContext<'tcx>, -- line 329 ---------------------------------------- 4,147 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_checked_ops.rs -------------------------------------------------------------------------------- Ir -- line 41 ---------------------------------------- . . #[derive(Copy, Clone)] . enum NonZeroBranch { . Then, . Else, . } . . impl LateLintPass<'_> for ManualCheckedOps { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { 105,242 ( 0.00%) if let ExprKind::If(cond, then, r#else) = expr.kind 768 ( 0.00%) && !expr.span.from_expansion() . && let Some((divisor, branch)) = divisor_from_condition(cond) . // This lint is intended for unsigned integers only. . // . // For signed integers, the most direct refactor to `checked_div` is often not . // semantically equivalent to the original guard. For example, `rhs > 0` deliberately . // excludes negative divisors, while `checked_div` would return `Some` for `rhs = -2`. . // Also, `checked_div` can return `None` for `MIN / -1`, which requires additional . // handling beyond the zero check. 2 ( 0.00%) && is_unsigned_integer(cx, divisor) . && let Some(block) = branch_block(then, r#else, branch) . { . let mut eq = SpanlessEq::new(cx).deny_side_effects().paths_by_resolution(); 14 ( 0.00%) if !eq.eq_expr(SyntaxContext::root(), divisor, divisor) { 1,512 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr (2x) . return; . } . . let mut division_spans = Vec::new(); 2 ( 0.00%) let mut first_use = None; . 22 ( 0.00%) let found_early_use = for_each_expr_without_closures(block, |e| { 5,569 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/visitors.rs:clippy_utils::visitors::for_each_expr_without_closures::<(), clippy_utils::visitors::Descend, &rustc_hir::hir::Block, ::check_expr::{closure#0}> (2x) 150 ( 0.00%) if let ExprKind::Binary(binop, lhs, rhs) = e.kind . && binop.node == BinOpKind::Div . && eq.eq_expr(SyntaxContext::root(), rhs, divisor) . && is_unsigned_integer(cx, lhs) . { . match first_use { . None => first_use = Some(UseKind::Division), . Some(UseKind::Other) => return ControlFlow::Break(()), . Some(UseKind::Division) => {}, -- line 80 ---------------------------------------- -- line 92 ---------------------------------------- . None => first_use = Some(UseKind::Division), . Some(UseKind::Other) => return ControlFlow::Break(()), . Some(UseKind::Division) => {}, . } . . division_spans.push(e.span); . . ControlFlow::<(), _>::Continue(Descend::No) 175 ( 0.00%) } else if eq.eq_expr(SyntaxContext::root(), e, divisor) { 380 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr (2x) . if first_use.is_none() { . first_use = Some(UseKind::Other); . return ControlFlow::Break(()); . } . ControlFlow::<(), _>::Continue(Descend::Yes) . } else { . ControlFlow::<(), _>::Continue(Descend::Yes) . } . }); . 4 ( 0.00%) if found_early_use.is_some() || first_use != Some(UseKind::Division) || division_spans.is_empty() { . return; . } . . span_lint_and_then(cx, MANUAL_CHECKED_OPS, cond.span, "manual checked division", |diag| { . diag.span_label(cond.span, "check performed here"); . if let Some((first, rest)) = division_spans.split_first() { . diag.span_label(*first, "division performed here"); . if !rest.is_empty() { . diag.span_labels(rest.to_vec(), "... and here"); . } . } . diag.help("consider using `checked_div`"); . }); 2 ( 0.00%) } 416,360 ( 0.01%) } . } . . #[derive(Copy, Clone, Eq, PartialEq)] . enum UseKind { . Division, . Other, . } . . fn divisor_from_condition<'tcx>(cond: &'tcx Expr<'tcx>) -> Option<(&'tcx Expr<'tcx>, NonZeroBranch)> { 672 ( 0.00%) let ExprKind::Binary(binop, lhs, rhs) = cond.kind else { . return None; . }; . 453 ( 0.00%) match binop.node { . BinOpKind::Ne | BinOpKind::Lt if is_zero(lhs) => Some((rhs, NonZeroBranch::Then)), 4 ( 0.00%) BinOpKind::Ne | BinOpKind::Gt if is_zero(rhs) => Some((lhs, NonZeroBranch::Then)), . BinOpKind::Eq if is_zero(lhs) => Some((rhs, NonZeroBranch::Else)), 4 ( 0.00%) BinOpKind::Eq if is_zero(rhs) => Some((lhs, NonZeroBranch::Else)), . _ => None, . } . } . . fn branch_block<'tcx>( . then: &'tcx Expr<'tcx>, . r#else: Option<&'tcx Expr<'tcx>>, . branch: NonZeroBranch, . ) -> Option<&'tcx Block<'tcx>> { 4 ( 0.00%) match branch { 2 ( 0.00%) NonZeroBranch::Then => match then.kind { . ExprKind::Block(block, _) => Some(block), . _ => None, . }, 3 ( 0.00%) NonZeroBranch::Else => match r#else?.kind { . ExprKind::Block(block, _) => Some(block), . _ => None, . }, . } . } . . fn is_zero(expr: &Expr<'_>) -> bool { . is_integer_literal(expr, 0) . } . . fn is_unsigned_integer(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 10 ( 0.00%) matches!(cx.typeck_results().expr_ty(expr).peel_refs().kind(), ty::Uint(_)) 80 ( 0.00%) => ???:::expr_ty (2x) . } 212 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/init_numbered_fields.rs -------------------------------------------------------------------------------- Ir -- line 37 ---------------------------------------- . pub INIT_NUMBERED_FIELDS, . style, . "numbered fields in tuple struct initializer" . } . . declare_lint_pass!(NumberedFields => [INIT_NUMBERED_FIELDS]); . . impl<'tcx> LateLintPass<'tcx> for NumberedFields { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 104,627 ( 0.00%) if let ExprKind::Struct(path, fields @ [field, ..], StructTailExpr::None) = e.kind . // If the first character of any field is a digit it has to be a tuple. 144 ( 0.00%) && field.ident.as_str().as_bytes().first().is_some_and(u8::is_ascii_digit) 2,304 ( 0.00%) => ???:::as_str (72x) . // Type aliases can't be used as functions. . && !matches!( . cx.qpath_res(path, e.hir_id), . Res::Def(DefKind::TyAlias | DefKind::AssocTy, _) . ) . // This is the only syntax macros can use that works for all struct types. . && !e.span.from_expansion() . && let mut has_side_effects = false -- line 56 ---------------------------------------- -- line 89 ---------------------------------------- . .intersperse(Cow::Borrowed(", ")) . .collect::() . ), . app, . ); . }, . ); . } 364,315 ( 0.01%) } . } 144 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/misc.rs -------------------------------------------------------------------------------- Ir -- line 96 ---------------------------------------- . declare_lint_pass!(LintPass => [ . SHORT_CIRCUIT_STATEMENT, . USED_UNDERSCORE_BINDING, . USED_UNDERSCORE_ITEMS, . ]); . . impl<'tcx> LateLintPass<'tcx> for LintPass { . fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { 27,825 ( 0.00%) if let StmtKind::Semi(expr) = stmt.kind 15,154 ( 0.00%) && let ExprKind::Binary(binop, a, b) = &expr.kind . && matches!(binop.node, BinOpKind::And | BinOpKind::Or) . && !stmt.span.from_expansion() . && expr.span.eq_ctxt(stmt.span) . { . span_lint_hir_and_then( . cx, . SHORT_CIRCUIT_STATEMENT, . expr.hir_id, -- line 113 ---------------------------------------- -- line 117 ---------------------------------------- . let mut app = Applicability::MachineApplicable; . let test = Sugg::hir_with_context(cx, a, expr.span.ctxt(), "_", &mut app); . let test = if binop.node == BinOpKind::Or { !test } else { test }; . let then = Sugg::hir_with_context(cx, b, expr.span.ctxt(), "_", &mut app); . diag.span_suggestion(stmt.span, "replace it with", format!("if {test} {{ {then}; }}"), app); . }, . ); . } 10,124 ( 0.00%) } . 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,135 ( 0.00%) if expr.span.in_external_macro(cx.sess().source_map()) 33,573 ( 0.00%) || expr.span.desugaring_kind().is_some() 1,074,336 ( 0.02%) => ???:::desugaring_kind (11,191x) 82,264 ( 0.00%) || in_automatically_derived(cx.tcx, expr.hir_id) 5,427,342 ( 0.10%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::in_automatically_derived (10,283x) . { . return; . } . . used_underscore_binding(cx, expr); . used_underscore_items(cx, expr); 416,360 ( 0.01%) } . } . . fn used_underscore_items<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 61,806 ( 0.00%) let (def_id, ident) = match expr.kind { 748 ( 0.00%) ExprKind::Call(func, ..) => { 3,562 ( 0.00%) if let ExprKind::Path(QPath::Resolved(.., path)) = func.kind . && let Some(last_segment) = path.segments.last() . && let Res::Def(_, def_id) = last_segment.res . { . (def_id, last_segment.ident) . } else { . return; . } . }, . ExprKind::MethodCall(path, ..) => { 4,179 ( 0.00%) if let Some(def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) { 71,167 ( 0.00%) => ???:::type_dependent_def_id (1,393x) 1,393 ( 0.00%) (def_id, path.ident) . } else { . return; . } 1,393 ( 0.00%) }, . ExprKind::Struct(QPath::Resolved(_, path), ..) => { 58 ( 0.00%) if let Some(last_segment) = path.segments.last() . && let Res::Def(_, def_id) = last_segment.res . { . (def_id, last_segment.ident) . } else { . return; . } . }, . _ => return, . }; . . let name = ident.name.as_str(); . let definition_span = cx.tcx.def_span(def_id); 2,006 ( 0.00%) if name.starts_with('_') . && !name.starts_with("__") . && !definition_span.from_expansion() . && def_id.is_local() . && !cx.tcx.is_foreign_item(def_id) . { . span_lint_and_then( . cx, . USED_UNDERSCORE_ITEMS, -- line 181 ---------------------------------------- -- line 184 ---------------------------------------- . |diag| { . diag.span_note(definition_span, "item is defined here".to_string()); . }, . ); . } . } . . fn used_underscore_binding<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 60,794 ( 0.00%) let (definition_hir_id, ident) = match expr.kind { . ExprKind::Path(ref qpath) => { 15,714 ( 0.00%) if let QPath::Resolved(None, path) = qpath 20,457 ( 0.00%) && let Res::Local(id) = path.res 202 ( 0.00%) && is_used(cx, expr) . { 14,725 ( 0.00%) (id, last_path_segment(qpath).ident) 35,340 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::last_path_segment (2,945x) . } else { . return; . } 2,945 ( 0.00%) }, 3,075 ( 0.00%) ExprKind::Field(recv, ident) => { 1,025 ( 0.00%) if let Some(adt_def) = cx.typeck_results().expr_ty_adjusted(recv).ty_adt_def() 58,895 ( 0.00%) => ???:::expr_ty_adjusted (1,025x) . && let Some(field) = adt_def.all_fields().find(|field| field.name == ident.name) . && let Some(local_did) = field.did.as_local() 498 ( 0.00%) && !cx.tcx.type_of(field.did).skip_binder().is_phantom_data() . { . (cx.tcx.local_def_id_to_hir_id(local_did), ident) . } else { . return; . } . }, . _ => return, . }; . . let name = ident.name.as_str(); 3,574 ( 0.00%) if name.starts_with('_') . && !name.starts_with("__") . && let definition_span = cx.tcx.hir_span(definition_hir_id) . && !definition_span.from_expansion() . && !fulfill_or_allowed(cx, USED_UNDERSCORE_BINDING, [expr.hir_id, definition_hir_id]) . { . span_lint_and_then( . cx, . USED_UNDERSCORE_BINDING, -- line 226 ---------------------------------------- -- line 232 ---------------------------------------- . ); . } . } . . /// Heuristic to see if an expression is used. Should be compatible with . /// `unused_variables`'s idea . /// of what it means for an expression to be "used". . fn is_used(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 56,618 ( 0.00%) get_parent_expr(cx, expr).is_none_or(|parent| match parent.kind { 964,062 ( 0.02%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (9,738x) 101 ( 0.00%) ExprKind::Assign(_, rhs, _) | ExprKind::AssignOp(_, _, rhs) => { 505 ( 0.00%) SpanlessEq::new(cx).eq_expr(parent.span.ctxt(), rhs, expr) 358,704 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr (101x) . }, . _ => is_used(cx, parent), . }) . } 106,390 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs -------------------------------------------------------------------------------- Ir -- line 17 ---------------------------------------- . let $len = unsafe { &mut *(&raw mut $this.end_or_len).cast::() }; . $zst_body . } else { . // SAFETY: for non-ZSTs, the type invariant ensures it cannot be null . let $end = unsafe { &mut *(&raw mut $this.end_or_len).cast::>() }; . $other_body . } . }}; 284,997 ( 0.01%) ($this:ident, $len:ident => $zst_body:expr, $end:ident => $other_body:expr,) => {{ . #![allow(unused_unsafe)] // we're sometimes used within an unsafe block . 1,571 ( 0.00%) if T::IS_ZST { . let $len = $this.end_or_len.addr(); . $zst_body . } else { . // SAFETY: for non-ZSTs, the type invariant ensures it cannot be null 6 ( 0.00%) let $end = unsafe { mem::transmute::<*const T, NonNull>($this.end_or_len) }; . $other_body . } . }}; . } . . // Inlining is_empty and len makes a huge performance difference . macro_rules! is_empty { . ($self: ident) => { -- line 41 ---------------------------------------- -- line 101 ---------------------------------------- . let old = self.ptr; . . // SAFETY: the caller guarantees that `offset` doesn't exceed `self.len()`, . // so this new pointer is inside `self` and thus guaranteed to be non-null. . unsafe { . if_zst!(mut self, . // Using the intrinsic directly avoids emitting a UbCheck . len => *len = crate::intrinsics::unchecked_sub(*len, offset), 7 ( 0.00%) _end => self.ptr = self.ptr.add(offset), . ); . } . old . } . . // Helper function for moving the end of the iterator backwards by `offset` elements, . // returning the new end. . // Unsafe because the offset must not exceed `self.len()`. -- line 117 ---------------------------------------- -- line 153 ---------------------------------------- . impl<'a, T> Iterator for $name<'a, T> { . type Item = $elem; . . #[inline] . fn next(&mut self) -> Option<$elem> { . // intentionally not using the helpers because this is . // one of the most mono'd things in the library. . 177 ( 0.00%) let ptr = self.ptr; 57 ( 0.00%) let end_or_len = self.end_or_len; . // SAFETY: See inner comments. (For some reason having multiple . // block breaks inlining this -- if you can fix that please do!) . unsafe { . if T::IS_ZST { . let len = end_or_len.addr(); . if len == 0 { . return None; . } -- line 170 ---------------------------------------- -- line 172 ---------------------------------------- . // cannot wrap. (Ideally this would be `checked_sub`, which . // does the same thing internally, but as of 2025-02 that . // doesn't optimize quite as small in MIR.) . self.end_or_len = without_provenance_mut(len.unchecked_sub(1)); . } else { . // SAFETY: by type invariant, the `end_or_len` field is always . // non-null for a non-ZST pointee. (This transmute ensures we . // get `!nonnull` metadata on the load of the field.) 4,394,857 ( 0.08%) if ptr == crate::intrinsics::transmute::<$ptr, NonNull>(end_or_len) { . return None; . } . // SAFETY: since it's not empty, per the check above, moving . // forward one keeps us inside the slice, and this is valid. 4,077 ( 0.00%) self.ptr = ptr.add(1); . } . // SAFETY: Now that we know it wasn't empty and we've moved past . // the first one (to avoid giving a duplicate `&mut` next time), . // we can give out a reference to it. . Some({ptr}.$into_ref()) . } 16 ( 0.00%) } . . fn next_chunk(&mut self) -> Result<[$elem; N], crate::array::IntoIter<$elem, N>> { . if T::IS_ZST || len!(self) < N { . return crate::array::iter_next_chunk(self); . } . . // SAFETY: the check above ensures len >= N . unsafe { -- line 200 ---------------------------------------- -- line 217 ---------------------------------------- . . #[inline] . fn count(self) -> usize { . len!(self) . } . . #[inline] . fn nth(&mut self, n: usize) -> Option<$elem> { 36 ( 0.00%) if n >= len!(self) { . // This iterator is now empty. . if_zst!(mut self, . len => *len = 0, . end => self.ptr = *end, . ); . return None; . } . // SAFETY: We are in bounds. `post_inc_start` does the right thing even for ZSTs. -- line 233 ---------------------------------------- -- line 266 ---------------------------------------- . return init; . } . let mut acc = init; . let mut i = 0; . let len = len!(self); . loop { . // SAFETY: the loop iterates `i in 0..len`, which always is in bounds of . // the slice allocation 3,469 ( 0.00%) acc = f(acc, unsafe { & $( $mut_ )? *self.ptr.add(i).as_ptr() }); . // SAFETY: `i` can't overflow since it'll only reach usize::MAX if the . // slice had that length, in which case we'll break out of the loop . // after the increment . i = unsafe { i.unchecked_add(1) }; 20,661 ( 0.00%) if i == len { . break; . } . } 288 ( 0.00%) acc . } . . // We override the default implementation, which uses `try_fold`, . // because this simple implementation generates less LLVM IR and is . // faster to compile. . #[inline] . fn for_each(mut self, mut f: F) . where . Self: Sized, . F: FnMut(Self::Item), . { . while let Some(x) = self.next() { 78 ( 0.00%) f(x); 5,355 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_wild_enum.rs:clippy_lints::matches::match_wild_enum::check::{closure#2} (26x) . } . } . . // We override the default implementation, which uses `try_fold`, . // because this simple implementation generates less LLVM IR and is . // faster to compile. . #[inline] . fn all(&mut self, mut f: F) -> bool . where . Self: Sized, . F: FnMut(Self::Item) -> bool, . { . while let Some(x) = self.next() { 28,360 ( 0.00%) if !f(x) { . return false; . } . } . true . } . . // We override the default implementation, which uses `try_fold`, . // because this simple implementation generates less LLVM IR and is . // faster to compile. . #[inline] 18 ( 0.00%) fn any(&mut self, mut f: F) -> bool . where . Self: Sized, . F: FnMut(Self::Item) -> bool, . { . while let Some(x) = self.next() { 238,599 ( 0.00%) if f(x) { . return true; . } . } . false 18 ( 0.00%) } . . // We override the default implementation, which uses `try_fold`, . // because this simple implementation generates less LLVM IR and is . // faster to compile. . #[inline] . fn find

(&mut self, mut predicate: P) -> Option . where . Self: Sized, . P: FnMut(&Self::Item) -> bool, . { . while let Some(x) = self.next() { 24,113 ( 0.00%) if predicate(&x) { . return Some(x); . } . } . None . } . . // We override the default implementation, which uses `try_fold`, . // because this simple implementation generates less LLVM IR and is -- line 352 ---------------------------------------- -- line 353 ---------------------------------------- . // faster to compile. . #[inline] . fn find_map(&mut self, mut f: F) -> Option . where . Self: Sized, . F: FnMut(Self::Item) -> Option, . { . while let Some(x) = self.next() { 7,858 ( 0.00%) if let Some(y) = f(x) { 375 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:<&mut clippy_lints::lifetimes::report_elidable_lifetimes::{closure#0} as core::ops::function::FnMut<(&rustc_span::def_id::LocalDefId,)>>::call_mut (3x) . return Some(y); . } . } . None 4 ( 0.00%) } . . // We override the default implementation, which uses `try_fold`, . // because this simple implementation generates less LLVM IR and is . // faster to compile. Also, the `assume` avoids a bounds check. . #[inline] . fn position

(&mut self, mut predicate: P) -> Option where . Self: Sized, . P: FnMut(Self::Item) -> bool, . { . let n = len!(self); . let mut i = 0; . while let Some(x) = self.next() { 7,532 ( 0.00%) if predicate(x) { . // SAFETY: we are guaranteed to be in bounds by the loop invariant: . // when `i >= n`, `self.next()` returns `None` and the loop breaks. . unsafe { assert_unchecked(i < n) }; . return Some(i); . } 2,979 ( 0.00%) i += 1; . } . None . } . . // We override the default implementation, which uses `try_fold`, . // because this simple implementation generates less LLVM IR and is . // faster to compile. Also, the `assume` avoids a bounds check. . #[inline] -- line 393 ---------------------------------------- -- line 394 ---------------------------------------- . fn rposition

(&mut self, mut predicate: P) -> Option where . P: FnMut(Self::Item) -> bool, . Self: Sized + ExactSizeIterator + DoubleEndedIterator . { . let n = len!(self); . let mut i = n; . while let Some(x) = self.next_back() { . i -= 1; 430 ( 0.00%) if predicate(x) { . // SAFETY: `i` must be lower than `n` since it starts at `n` . // and is only decreasing. . unsafe { assert_unchecked(i < n) }; . return Some(i); . } . } . None . } -- line 410 ---------------------------------------- 5,060,486 ( 0.09%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_data_structures/src/sharded.rs -------------------------------------------------------------------------------- Ir -- line 87 ---------------------------------------- . #[track_caller] . pub fn lock_shard_by_hash(&self, hash: u64) -> LockGuard<'_, T> { . self.lock_shard_by_index(get_shard_hash(hash)) . } . . #[inline] . #[track_caller] . pub fn lock_shard_by_index(&self, i: usize) -> LockGuard<'_, T> { 29,362 ( 0.00%) match self { . Self::Single(single) => { . // Synchronization is disabled so use the `lock_assume_no_sync` method optimized . // for that case. . . // SAFETY: We know `is_dyn_thread_safe` was false when creating the lock thus . // `might_be_dyn_thread_safe` was also false. . unsafe { single.lock_assume(Mode::NoSync) } . } -- line 103 ---------------------------------------- -- line 148 ---------------------------------------- . } . pub fn len(&self) -> usize { . self.lock_shards().map(|shard| shard.len()).sum() . } . } . . impl ShardedHashMap { . #[inline] 34,392 ( 0.00%) pub fn get(&self, key: &Q) -> Option . where . K: Borrow, . Q: Hash + Eq, . V: Clone, . { . let hash = make_hash(key); . let shard = self.lock_shard_by_hash(hash); . let (_, value) = shard.find(hash, |(k, _)| k.borrow() == key)?; 22,205 ( 0.00%) Some(value.clone()) 42,097 ( 0.00%) } . . #[inline] . pub fn get_or_insert_with(&self, key: K, default: impl FnOnce() -> V) -> V . where . V: Copy, . { . let hash = make_hash(&key); . let mut shard = self.lock_shard_by_hash(hash); -- line 174 ---------------------------------------- 19,327 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs -------------------------------------------------------------------------------- Ir -- line 62 ---------------------------------------- . maybe_typeck_results: Option<(&'tcx TypeckResults<'tcx>, &'tcx TypeckResults<'tcx>)>, . allow_side_effects: bool, . expr_fallback: Option>>, . path_check: PathCheck, . } . . impl<'a, 'tcx> SpanlessEq<'a, 'tcx> { . pub fn new(cx: &'a LateContext<'tcx>) -> Self { 2,624 ( 0.00%) Self { . cx, 879 ( 0.00%) maybe_typeck_results: cx.typeck_results.map(|x| (x, x)), . allow_side_effects: true, . expr_fallback: None, . path_check: PathCheck::default(), . } . } . . /// Consider expressions containing potential side effects as not equal. . #[must_use] . pub fn deny_side_effects(self) -> Self { 1,090 ( 0.00%) Self { . allow_side_effects: false, . ..self . } . } . . /// Check paths by their resolution instead of exact equality. See [`PathCheck`] for more . /// details. . #[must_use] . pub fn paths_by_resolution(self) -> Self { 12 ( 0.00%) Self { . path_check: PathCheck::Resolution, . ..self . } . } . . #[must_use] . pub fn expr_fallback( . self, -- line 100 ---------------------------------------- -- line 103 ---------------------------------------- . Self { . expr_fallback: Some(Box::new(expr_fallback)), . ..self . } . } . . /// Use this method to wrap comparisons that may involve inter-expression context. . /// See `self.locals`. 73 ( 0.00%) pub fn inter_expr(&mut self, ctxt: SyntaxContext) -> HirEqInterExpr<'_, 'a, 'tcx> { 9,566 ( 0.00%) HirEqInterExpr { . inner: self, . eval_ctxt: ctxt, . prev_left_ctxt: ctxt, . prev_right_ctxt: ctxt, . locals: HirIdMap::default(), . local_items: FxIndexMap::default(), . } 73 ( 0.00%) } . 258 ( 0.00%) pub fn eq_block(&mut self, ctxt: SyntaxContext, left: &Block<'_>, right: &Block<'_>) -> bool { 774 ( 0.00%) self.inter_expr(ctxt).eq_block(left, right) 284,734 ( 0.01%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_block (129x) 3,338 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (129x) 516 ( 0.00%) } . 294 ( 0.00%) pub fn eq_expr(&mut self, ctxt: SyntaxContext, left: &Expr<'_>, right: &Expr<'_>) -> bool { 2,190 ( 0.00%) self.inter_expr(ctxt).eq_expr(left, right) 258,033 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr (218x) 3,488 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (218x) 588 ( 0.00%) } . . pub fn eq_path(&mut self, ctxt: SyntaxContext, left: &Path<'_>, right: &Path<'_>) -> bool { . self.inter_expr(ctxt).eq_path(left, right) . } . . pub fn eq_path_segment(&mut self, ctxt: SyntaxContext, left: &PathSegment<'_>, right: &PathSegment<'_>) -> bool { . self.inter_expr(ctxt).eq_path_segment(left, right) . } -- line 136 ---------------------------------------- -- line 164 ---------------------------------------- . // right. For example, when comparing `{ let x = 1; x + 2 }` and `{ let y = 1; y + 2 }`, . // these blocks are considered equal since `x` is mapped to `y`. . pub locals: HirIdMap, . pub local_items: FxIndexMap, . } . . impl HirEqInterExpr<'_, '_, '_> { . pub fn set_eval_ctxt(&mut self, ctxt: SyntaxContext) { 4 ( 0.00%) self.eval_ctxt = ctxt; . self.prev_left_ctxt = ctxt; 6 ( 0.00%) self.prev_right_ctxt = ctxt; . } . 220 ( 0.00%) pub fn eq_stmt(&mut self, left: &Stmt<'_>, right: &Stmt<'_>) -> bool { 88 ( 0.00%) if self.check_ctxt(left.span.ctxt(), right.span.ctxt()) == Some(false) { 638 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::check_ctxt (22x) . return false; . } . 135 ( 0.00%) match (&left.kind, &right.kind) { . (StmtKind::Let(l), StmtKind::Let(r)) => { . // This additional check ensures that the type of the locals are equivalent even if the init . // expression or type have some inferred parts. 30 ( 0.00%) if let Some((typeck_lhs, typeck_rhs)) = self.inner.maybe_typeck_results { 30 ( 0.00%) let l_ty = typeck_lhs.pat_ty(l.pat); 240 ( 0.00%) => ???:::pat_ty (6x) 24 ( 0.00%) let r_ty = typeck_rhs.pat_ty(r.pat); 240 ( 0.00%) => ???:::pat_ty (6x) 11 ( 0.00%) if l_ty != r_ty { . return false; . } . } . . // eq_pat adds the HirIds to the locals map. We therefore call it last to make sure that . // these only get added if the init and type is equal. 22 ( 0.00%) both(l.init.as_ref(), r.init.as_ref(), |l, r| self.eq_expr(l, r)) 18,553 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr (5x) 3 ( 0.00%) && both(l.ty.as_ref(), r.ty.as_ref(), |l, r| self.eq_ty(l, r)) 6 ( 0.00%) && both(l.els.as_ref(), r.els.as_ref(), |l, r| self.eq_block(l, r)) 33 ( 0.00%) && self.eq_pat(l.pat, r.pat) 1,078 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_pat (3x) . }, 143 ( 0.00%) (StmtKind::Expr(l), StmtKind::Expr(r)) | (StmtKind::Semi(l), StmtKind::Semi(r)) => self.eq_expr(l, r), 50,821 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr (13x) . (StmtKind::Item(l), StmtKind::Item(r)) => self.eq_item(*l, *r), . _ => false, . } 54 ( 0.00%) } . . pub fn eq_item(&mut self, l: ItemId, r: ItemId) -> bool { . let left = self.inner.cx.tcx.hir_item(l); . let right = self.inner.cx.tcx.hir_item(r); . let eq = match (left.kind, right.kind) { . ( . ItemKind::Const(l_ident, l_generics, l_ty, ConstItemRhs::Body(l_body)), . ItemKind::Const(r_ident, r_generics, r_ty, ConstItemRhs::Body(r_body)), -- line 213 ---------------------------------------- -- line 379 ---------------------------------------- . default: r_default, . }, . ) => self.eq_ty(l_ty, r_ty) && both(*l_default, *r_default, |l, r| self.eq_const_arg(l, r)), . _ => false, . } . } . . /// Checks whether two blocks are the same. 903 ( 0.00%) fn eq_block(&mut self, left: &Block<'_>, right: &Block<'_>) -> bool { . use TokenKind::{Semi, Whitespace}; 387 ( 0.00%) if left.stmts.len() != right.stmts.len() { . return false; . } 335 ( 0.00%) let lspan = left.span.data(); 335 ( 0.00%) let rspan = right.span.data(); 737 ( 0.00%) match self.check_ctxt(lspan.ctxt, rspan.ctxt) { 1,943 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::check_ctxt (67x) . Some(false) => return false, 134 ( 0.00%) None if self.eval_ctxt.is_root() => {}, . _ => { . // Don't try to check in between statements inside macros. . return over(left.stmts, right.stmts, |left, right| self.eq_stmt(left, right)) . && both(left.expr.as_ref(), right.expr.as_ref(), |left, right| { . self.eq_expr(left, right) . }); . }, . } . 134 ( 0.00%) let mut lstart = lspan.lo; 67 ( 0.00%) let mut rstart = rspan.lo; . . for (left, right) in left.stmts.iter().zip(right.stmts) { 140 ( 0.00%) if !self.eq_stmt(left, right) { 68,346 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_stmt (20x) . return false; . } . . // Try to detect any `cfg`ed statements or empty macro expansions. 6 ( 0.00%) let Some(lstmt_span) = walk_span_to_context(left.span, lspan.ctxt) else { . return false; . }; 6 ( 0.00%) let Some(rstmt_span) = walk_span_to_context(right.span, rspan.ctxt) else { . return false; . }; . let lstmt_span = lstmt_span.data(); . let rstmt_span = rstmt_span.data(); . 6 ( 0.00%) if lstmt_span.lo < lstart && rstmt_span.lo < rstart { . // Can happen when macros expand to multiple statements, or rearrange statements. . // Nothing in between the statements to check in this case. . continue; . } 6 ( 0.00%) if lstmt_span.lo < lstart || rstmt_span.lo < rstart { . // Only one of the blocks had a weird macro. . return false; . } 30 ( 0.00%) if !eq_span_tokens(self.inner.cx, lstart..lstmt_span.lo, rstart..rstmt_span.lo, |t| { . !matches!(t, Whitespace | Semi) . }) { . return false; . } . 5 ( 0.00%) lstart = lstmt_span.hi; 5 ( 0.00%) rstart = rstmt_span.hi; . } . 312 ( 0.00%) let (lend, rend) = match (left.expr, right.expr) { . (Some(left), Some(right)) => { 312 ( 0.00%) if !self.eq_expr(left, right) { 195,186 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr (52x) . return false; . } . let Some(lexpr_span) = walk_span_to_context(left.span, lspan.ctxt) else { . return false; . }; . let Some(rexpr_span) = walk_span_to_context(right.span, rspan.ctxt) else { . return false; . }; -- line 453 ---------------------------------------- -- line 463 ---------------------------------------- . return true; . } else if lend < lstart || rend < rstart { . // Only one of the blocks had a weird macro . return false; . } . eq_span_tokens(self.inner.cx, lstart..lend, rstart..rend, |t| { . !matches!(t, Whitespace | Semi) . }) 1,032 ( 0.00%) } . 5,643 ( 0.00%) fn should_ignore(&self, expr: &Expr<'_>) -> bool { 4 ( 0.00%) macro_backtrace(expr.span).last().is_some_and(|macro_call| { 4 ( 0.00%) matches!( 20 ( 0.00%) self.inner.cx.tcx.get_diagnostic_name(macro_call.def_id), 274 ( 0.00%) => ???:::get_diagnostic_name (4x) 18 ( 0.00%) Some(sym::todo_macro | sym::unimplemented_macro) . ) . }) 4,104 ( 0.00%) } . . pub fn eq_body(&mut self, left: BodyId, right: BodyId) -> bool { . // swap out TypeckResults when hashing a body . let old_maybe_typeck_results = self.inner.maybe_typeck_results.replace(( . self.inner.cx.tcx.typeck_body(left), . self.inner.cx.tcx.typeck_body(right), . )); . let res = self.eq_expr( -- line 488 ---------------------------------------- -- line 489 ---------------------------------------- . self.inner.cx.tcx.hir_body(left).value, . self.inner.cx.tcx.hir_body(right).value, . ); . self.inner.maybe_typeck_results = old_maybe_typeck_results; . res . } . . #[expect(clippy::too_many_lines)] 9,930 ( 0.00%) pub fn eq_expr(&mut self, left: &Expr<'_>, right: &Expr<'_>) -> bool { 8,769 ( 0.00%) match self.check_ctxt(left.span.ctxt(), right.span.ctxt()) { 82,466 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::check_ctxt (437x) . None => { 4,540 ( 0.00%) if let Some((typeck_lhs, typeck_rhs)) = self.inner.maybe_typeck_results 8,172 ( 0.00%) && typeck_lhs.expr_ty(left) == typeck_rhs.expr_ty(right) 30,660 ( 0.00%) => ???:::expr_ty (764x) 11,305 ( 0.00%) && let (Some(l), Some(r)) = ( 3,180 ( 0.00%) ConstEvalCtxt::with_env(self.inner.cx.tcx, self.inner.cx.typing_env(), typeck_lhs) 8,790 ( 0.00%) => ???:::typing_env (293x) 795 ( 0.00%) .eval_local(left, self.eval_ctxt), 3,180 ( 0.00%) ConstEvalCtxt::with_env(self.inner.cx.tcx, self.inner.cx.typing_env(), typeck_rhs) 8,790 ( 0.00%) => ???:::typing_env (293x) 795 ( 0.00%) .eval_local(right, self.eval_ctxt), . ) 44 ( 0.00%) && l == r 112 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/consts.rs:::eq (3x) . { . return true; 1,698 ( 0.00%) } 1,101 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (37x) . }, . Some(false) => return false, . Some(true) => {}, . } . 6,517 ( 0.00%) let is_eq = match ( 5,586 ( 0.00%) reduce_exprkind(self.inner.cx, self.eval_ctxt, &left.kind), 1,532 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::reduce_exprkind (383x) 4,655 ( 0.00%) reduce_exprkind(self.inner.cx, self.eval_ctxt, &right.kind), 1,532 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::reduce_exprkind (383x) . ) { . (ExprKind::AddrOf(lb, l_mut, le), ExprKind::AddrOf(rb, r_mut, re)) => { 88 ( 0.00%) lb == rb && l_mut == r_mut && self.eq_expr(le, re) . }, . (ExprKind::Array(l), ExprKind::Array(r)) => self.eq_exprs(l, r), . (ExprKind::Assign(ll, lr, _), ExprKind::Assign(rl, rr, _)) => { 3 ( 0.00%) self.inner.allow_side_effects && self.eq_expr(ll, rl) && self.eq_expr(lr, rr) . }, . (ExprKind::AssignOp(lo, ll, lr), ExprKind::AssignOp(ro, rl, rr)) => { . self.inner.allow_side_effects && lo.node == ro.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr) . }, . (ExprKind::Block(l, _), ExprKind::Block(r, _)) => self.eq_block(l, r), . (ExprKind::Binary(l_op, ll, lr), ExprKind::Binary(r_op, rl, rr)) => { 139 ( 0.00%) l_op.node == r_op.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr) 211,144 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 (11x) 117 ( 0.00%) || self.swap_binop(l_op.node, ll, lr).is_some_and(|(l_op, ll, lr)| { 159 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::swap_binop (7x) 50 ( 0.00%) l_op == r_op.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr) 1,254 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 (6x) 35 ( 0.00%) }) . }, . (ExprKind::Break(li, le), ExprKind::Break(ri, re)) => { . both(li.label.as_ref(), ri.label.as_ref(), |l, r| l.ident.name == r.ident.name) . && both(le.as_ref(), re.as_ref(), |l, r| self.eq_expr(l, r)) . }, . (ExprKind::Call(l_fun, l_args), ExprKind::Call(r_fun, r_args)) => { 1,212 ( 0.00%) self.inner.allow_side_effects && self.eq_expr(l_fun, r_fun) && self.eq_exprs(l_args, r_args) 37,892 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 (47x) . }, . (ExprKind::Cast(lx, lt), ExprKind::Cast(rx, rt)) => { . self.eq_expr(lx, rx) && self.eq_ty(lt, rt) . }, . (ExprKind::Closure(_l), ExprKind::Closure(_r)) => false, . (ExprKind::ConstBlock(lb), ExprKind::ConstBlock(rb)) => self.eq_body(lb.body, rb.body), . (ExprKind::Continue(li), ExprKind::Continue(ri)) => { . both(li.label.as_ref(), ri.label.as_ref(), |l, r| l.ident.name == r.ident.name) . }, . (ExprKind::DropTemps(le), ExprKind::DropTemps(re)) => self.eq_expr(le, re), . (ExprKind::Field(l_f_exp, l_f_ident), ExprKind::Field(r_f_exp, r_f_ident)) => { 86 ( 0.00%) l_f_ident.name == r_f_ident.name && self.eq_expr(l_f_exp, r_f_exp) . }, . (ExprKind::Index(la, li, _), ExprKind::Index(ra, ri, _)) => self.eq_expr(la, ra) && self.eq_expr(li, ri), . (ExprKind::If(lc, lt, le), ExprKind::If(rc, rt, re)) => { 105 ( 0.00%) self.eq_expr(lc, rc) && self.eq_expr(lt, rt) 121,274 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 (15x) . && both(le.as_ref(), re.as_ref(), |l, r| self.eq_expr(l, r)) . }, . (ExprKind::Let(l), ExprKind::Let(r)) => { 108 ( 0.00%) self.eq_pat(l.pat, r.pat) 8,544 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_pat (12x) 48 ( 0.00%) && both(l.ty.as_ref(), r.ty.as_ref(), |l, r| self.eq_ty(l, r)) 24 ( 0.00%) && self.eq_expr(l.init, r.init) . }, . (ExprKind::Lit(l), ExprKind::Lit(r)) => { 70 ( 0.00%) if self.check_ctxt(l.span.ctxt(), r.span.ctxt()) == Some(false) { 290 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::check_ctxt (10x) . return false; . } 28 ( 0.00%) l.node == r.node 76 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/ast.rs:::eq (10x) . }, . (ExprKind::Loop(lb, ll, lls, _), ExprKind::Loop(rb, rl, rls, _)) => { . lls == rls && self.eq_block(lb, rb) . && both(ll.as_ref(), rl.as_ref(), |l, r| l.ident.name == r.ident.name) . }, . (ExprKind::Match(le, la, ls), ExprKind::Match(re, ra, rs)) => { . (ls == rs || (matches!((ls, rs), (TryDesugar(_), TryDesugar(_))))) 98 ( 0.00%) && self.eq_expr(le, re) 4,252 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 (2x) 12 ( 0.00%) && over(la, ra, |l, r| { 17,804 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::over::::eq_expr::{closure#7}> (2x) 16 ( 0.00%) self.eq_pat(l.pat, r.pat) 867 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_pat (2x) 5 ( 0.00%) && both(l.guard.as_ref(), r.guard.as_ref(), |l, r| self.eq_expr(l, r)) 4,758 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 (1x) 8 ( 0.00%) && self.eq_expr(l.body, r.body) 12,099 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 (2x) . }) . }, . ( . ExprKind::MethodCall(l_path, l_receiver, l_args, _), . ExprKind::MethodCall(r_path, r_receiver, r_args, _), . ) => { 204 ( 0.00%) self.inner.allow_side_effects 385 ( 0.00%) && self.eq_path_segment(l_path, r_path) 1,248 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_path_segment (26x) 330 ( 0.00%) && self.eq_expr(l_receiver, r_receiver) 54,443 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 (26x) 192 ( 0.00%) && self.eq_exprs(l_args, r_args) . }, . (ExprKind::UnsafeBinderCast(lkind, le, None), ExprKind::UnsafeBinderCast(rkind, re, None)) => . lkind == rkind && self.eq_expr(le, re), . (ExprKind::UnsafeBinderCast(lkind, le, Some(lt)), ExprKind::UnsafeBinderCast(rkind, re, Some(rt))) => . lkind == rkind && self.eq_expr(le, re) && self.eq_ty(lt, rt), . (ExprKind::OffsetOf(l_container, l_fields), ExprKind::OffsetOf(r_container, r_fields)) => { . self.eq_ty(l_container, r_container) && over(l_fields, r_fields, |l, r| l.name == r.name) . }, 1,854 ( 0.00%) (ExprKind::Path(l), ExprKind::Path(r)) => self.eq_qpath(l, r), 490 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_qpath (8x) . (ExprKind::Repeat(le, ll), ExprKind::Repeat(re, rl)) => { . self.eq_expr(le, re) && self.eq_const_arg(ll, rl) . }, . (ExprKind::Ret(l), ExprKind::Ret(r)) => both(l.as_ref(), r.as_ref(), |l, r| self.eq_expr(l, r)), . (ExprKind::Struct(l_path, lf, lo), ExprKind::Struct(r_path, rf, ro)) => { 14 ( 0.00%) self.eq_qpath(l_path, r_path) 208 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_qpath (1x) 16 ( 0.00%) && match (lo, ro) { . (StructTailExpr::Base(l),StructTailExpr::Base(r)) => self.eq_expr(l, r), . (StructTailExpr::None, StructTailExpr::None) | . (StructTailExpr::DefaultFields(_), StructTailExpr::DefaultFields(_)) => true, . _ => false, . } 12 ( 0.00%) && over(lf, rf, |l, r| self.eq_expr_field(l, r)) 2,607 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::over::::eq_expr::{closure#10}> (1x) . }, . (ExprKind::Tup(l_tup), ExprKind::Tup(r_tup)) => self.eq_exprs(l_tup, r_tup), . (ExprKind::Use(l_expr, _), ExprKind::Use(r_expr, _)) => self.eq_expr(l_expr, r_expr), . (ExprKind::Type(le, lt), ExprKind::Type(re, rt)) => self.eq_expr(le, re) && self.eq_ty(lt, rt), 6 ( 0.00%) (ExprKind::Unary(l_op, le), ExprKind::Unary(r_op, re)) => l_op == r_op && self.eq_expr(le, re), . (ExprKind::Yield(le, _), ExprKind::Yield(re, _)) => return self.eq_expr(le, re), . ( . // Else branches for branches above, grouped as per `match_same_arms`. . | ExprKind::AddrOf(..) . | ExprKind::Array(..) . | ExprKind::Assign(..) . | ExprKind::AssignOp(..) . | ExprKind::Binary(..) -- line 628 ---------------------------------------- -- line 664 ---------------------------------------- . // This behavior may change in the future. . | ExprKind::Closure(..) . // For the time being, we always consider that two instances of InlineAsm are different. . // This behavior may change in the future. . | ExprKind::InlineAsm(_) . , _ . ) => false, . }; 4,901 ( 0.00%) (is_eq && (!self.should_ignore(left) || !self.should_ignore(right))) 2,399 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::should_ignore (66x) 836 ( 0.00%) || self . .inner . .maybe_typeck_results . .is_some_and(|(left_typeck_results, right_typeck_results)| { . self.inner . .expr_fallback . .as_mut() . .is_some_and(|f| f(left_typeck_results, left, right_typeck_results, right)) . }) 7,944 ( 0.00%) } . . fn eq_exprs(&mut self, left: &[Expr<'_>], right: &[Expr<'_>]) -> bool { 1,421 ( 0.00%) over(left, right, |l, r| self.eq_expr(l, r)) 220,256 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::over::::eq_exprs::{closure#0}> (64x) . } . . fn eq_expr_field(&mut self, left: &ExprField<'_>, right: &ExprField<'_>) -> bool { 23 ( 0.00%) left.ident.name == right.ident.name && self.eq_expr(left.expr, right.expr) 5,108 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_expr'2 (3x) . } . . fn eq_generic_arg(&mut self, left: &GenericArg<'_>, right: &GenericArg<'_>) -> bool { . match (left, right) { . (GenericArg::Const(l), GenericArg::Const(r)) => self.eq_const_arg(l.as_unambig_ct(), r.as_unambig_ct()), . (GenericArg::Lifetime(l_lt), GenericArg::Lifetime(r_lt)) => Self::eq_lifetime(l_lt, r_lt), . (GenericArg::Type(l_ty), GenericArg::Type(r_ty)) => self.eq_ty(l_ty.as_unambig_ty(), r_ty.as_unambig_ty()), . (GenericArg::Infer(l_inf), GenericArg::Infer(r_inf)) => self.eq_ty(&l_inf.to_ty(), &r_inf.to_ty()), -- line 697 ---------------------------------------- -- line 781 ---------------------------------------- . }, . ) => left_neg == right_neg && left.node == right.node, . (PatExprKind::Path(left), PatExprKind::Path(right)) => self.eq_qpath(left, right), . (PatExprKind::Lit { .. } | PatExprKind::Path(..), _) => false, . } . } . . /// Checks whether two patterns are the same. 390 ( 0.00%) fn eq_pat(&mut self, left: &Pat<'_>, right: &Pat<'_>) -> bool { 389 ( 0.00%) match (&left.kind, &right.kind) { . (PatKind::Box(l), PatKind::Box(r)) => self.eq_pat(l, r), . (PatKind::Struct(lp, la, ..), PatKind::Struct(rp, ra, ..)) => { . self.eq_qpath(lp, rp) && over(la, ra, |l, r| self.eq_pat_field(l, r)) . }, . (PatKind::TupleStruct(lp, la, ls), PatKind::TupleStruct(rp, ra, rs)) => { 91 ( 0.00%) self.eq_qpath(lp, rp) && over(la, ra, |l, r| self.eq_pat(l, r)) && ls == rs . }, . (PatKind::Binding(lb, li, _, lp), PatKind::Binding(rb, ri, _, rp)) => { 16 ( 0.00%) let eq = lb == rb && both(lp.as_ref(), rp.as_ref(), |l, r| self.eq_pat(l, r)); 48 ( 0.00%) if eq { 64 ( 0.00%) self.locals.insert(*li, *ri); . } . eq . }, . (PatKind::Expr(l), PatKind::Expr(r)) => self.eq_pat_expr(l, r), 39 ( 0.00%) (PatKind::Tuple(l, ls), PatKind::Tuple(r, rs)) => ls == rs && over(l, r, |l, r| self.eq_pat(l, r)), 5,967 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_pat'2 (13x) . (PatKind::Range(ls, le, li), PatKind::Range(rs, re, ri)) => { . both(ls.as_ref(), rs.as_ref(), |a, b| self.eq_pat_expr(a, b)) . && both(le.as_ref(), re.as_ref(), |a, b| self.eq_pat_expr(a, b)) . && (li == ri) . }, . (PatKind::Ref(le, lp, lm), PatKind::Ref(re, rp, rm)) => lp == rp && lm == rm && self.eq_pat(le, re), . (PatKind::Slice(ls, li, le), PatKind::Slice(rs, ri, re)) => { . over(ls, rs, |l, r| self.eq_pat(l, r)) . && over(le, re, |l, r| self.eq_pat(l, r)) . && both(li.as_ref(), ri.as_ref(), |l, r| self.eq_pat(l, r)) . }, . (PatKind::Wild, PatKind::Wild) => true, . _ => false, . } 240 ( 0.00%) } . 933 ( 0.00%) fn eq_qpath(&mut self, left: &QPath<'_>, right: &QPath<'_>) -> bool { 1,670 ( 0.00%) match (left, right) { . (QPath::Resolved(lty, lpath), QPath::Resolved(rty, rpath)) => { 2,282 ( 0.00%) both(lty.as_ref(), rty.as_ref(), |l, r| self.eq_ty(l, r)) && self.eq_path(lpath, rpath) 1,280 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_path (10x) . }, . (QPath::TypeRelative(lty, lseg), QPath::TypeRelative(rty, rseg)) => { 170 ( 0.00%) self.eq_ty(lty, rty) && self.eq_path_segment(lseg, rseg) 1,660 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_ty (10x) 480 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_path_segment (10x) . }, . _ => false, . } . } . 2,592 ( 0.00%) pub fn eq_path(&mut self, left: &Path<'_>, right: &Path<'_>) -> bool { 3,474 ( 0.00%) match (left.res, right.res) { 652 ( 0.00%) (Res::Local(l), Res::Local(r)) => l == r || self.locals.get(&l) == Some(&r), 547 ( 0.00%) => /rust/deps/indexmap-2.14.0/src/map.rs:>::get:: (17x) . (Res::Local(_), _) | (_, Res::Local(_)) => false, 126 ( 0.00%) (Res::Def(l_kind, l), Res::Def(r_kind, r)) 13 ( 0.00%) if l_kind == r_kind . && let DefKind::Const { .. } . | DefKind::Static { .. } . | DefKind::Fn . | DefKind::TyAlias . | DefKind::Use . | DefKind::Mod = l_kind => . { 483 ( 0.00%) (l == r || self.local_items.get(&l) == Some(&r)) && self.eq_path_segments(left.segments, right.segments) 3,732 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_path_segments (42x) 252 ( 0.00%) => /rust/deps/indexmap-2.14.0/src/map.rs:>::get:: (21x) . }, 216 ( 0.00%) _ => self.eq_path_segments(left.segments, right.segments), . } 2,592 ( 0.00%) } . . fn eq_path_parameters(&mut self, left: &GenericArgs<'_>, right: &GenericArgs<'_>) -> bool { 176 ( 0.00%) if left.parenthesized == right.parenthesized { 176 ( 0.00%) over(left.args, right.args, |l, r| self.eq_generic_arg(l, r)) // FIXME(flip1995): may not work 176 ( 0.00%) && over(left.constraints, right.constraints, |l, r| self.eq_assoc_eq_constraint(l, r)) . } else { . false . } . } . 378 ( 0.00%) pub fn eq_path_segments<'tcx>( . &mut self, . mut left: &'tcx [PathSegment<'tcx>], . mut right: &'tcx [PathSegment<'tcx>], . ) -> bool { 288 ( 0.00%) if let PathCheck::Resolution = self.inner.path_check . && let Some(left_seg) = generic_path_segments(left) . && let Some(right_seg) = generic_path_segments(right) . { . // If we compare by resolution, then only check the last segments that could possibly have generic . // arguments . left = left_seg; . right = right_seg; . } . 555 ( 0.00%) over(left, right, |l, r| self.eq_path_segment(l, r)) 2,112 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::eq_path_segment (44x) 252 ( 0.00%) } . 1,232 ( 0.00%) pub fn eq_path_segment(&mut self, left: &PathSegment<'_>, right: &PathSegment<'_>) -> bool { . if !self.eq_path_parameters(left.args(), right.args()) { . return false; . } . 880 ( 0.00%) if let PathCheck::Resolution = self.inner.path_check . && left.res != Res::Err . && right.res != Res::Err . { . left.res == right.res . } else { . // The == of idents doesn't work with different contexts, . // we have to be explicit about hygiene . left.ident.name == right.ident.name . } 1,408 ( 0.00%) } . 80 ( 0.00%) pub fn eq_ty(&mut self, left: &Ty<'_>, right: &Ty<'_>) -> bool { 100 ( 0.00%) match (&left.kind, &right.kind) { . (TyKind::Slice(l_vec), TyKind::Slice(r_vec)) => self.eq_ty(l_vec, r_vec), . (TyKind::Array(lt, ll), TyKind::Array(rt, rl)) => self.eq_ty(lt, rt) && self.eq_const_arg(ll, rl), . (TyKind::Ptr(l_mut), TyKind::Ptr(r_mut)) => l_mut.mutbl == r_mut.mutbl && self.eq_ty(l_mut.ty, r_mut.ty), . (TyKind::Ref(_, l_rmut), TyKind::Ref(_, r_rmut)) => { . l_rmut.mutbl == r_rmut.mutbl && self.eq_ty(l_rmut.ty, r_rmut.ty) . }, . (TyKind::Path(l), TyKind::Path(r)) => self.eq_qpath(l, r), . (TyKind::Tup(l), TyKind::Tup(r)) => over(l, r, |l, r| self.eq_ty(l, r)), -- line 907 ---------------------------------------- -- line 916 ---------------------------------------- . // TODO: this could be extended to check for identical associated item bound constraints . left.ident.name == right.ident.name . && (both_some_and(left.ty(), right.ty(), |l, r| self.eq_ty(l, r)) . || both_some_and(left.ct(), right.ct(), |l, r| self.eq_const_arg(l, r))) . } . . /// Checks whether either operand is within a macro context, and if so, whether the macro calls . /// are equal. 8,768 ( 0.00%) fn check_ctxt(&mut self, left: SyntaxContext, right: SyntaxContext) -> Option { . let prev_left = mem::replace(&mut self.prev_left_ctxt, left); . let prev_right = mem::replace(&mut self.prev_right_ctxt, right); . 2,192 ( 0.00%) if left == self.eval_ctxt && right == self.eval_ctxt { . None 87 ( 0.00%) } else if left == prev_left && right == prev_right { . // Same as the previous context, no need to recheck anything . Some(true) . } else if left == prev_left 311 ( 0.00%) || right == prev_right . || left == self.eval_ctxt . || right == self.eval_ctxt . || left.is_root() . || right.is_root() . { . // Either only one context changed, or at least one context is a parent of the . // evaluation context. . // Unfortunately we can't get a span of a metavariable so we have to treat the . // second case as unequal. . Some(false) . } else { . // Walk each context in lockstep up to the evaluation context checking that each . // expansion has the same kind. 31 ( 0.00%) let mut left_data = left.outer_expn_data(); 93 ( 0.00%) let mut right_data = right.outer_expn_data(); . loop { . use TokenKind::{BlockComment, LineComment, Whitespace}; 60 ( 0.00%) if left_data.macro_def_id != right_data.macro_def_id || left_data.kind != right_data.kind { . return Some(false); . } 30 ( 0.00%) let left = left_data.call_site.ctxt(); 30 ( 0.00%) let right = right_data.call_site.ctxt(); 90 ( 0.00%) if left == self.eval_ctxt && right == self.eval_ctxt { . // Finally if the outermost expansion is a macro call, check if the . // tokens are the same. 124 ( 0.00%) if let ExpnKind::Macro(MacroKind::Bang, _) = left_data.kind { 34 ( 0.00%) return Some(eq_span_tokens( 88,601 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::eq_span_tokens::::check_ctxt::{closure#0}> (17x) 34 ( 0.00%) self.inner.cx, 17 ( 0.00%) left_data.call_site, 17 ( 0.00%) right_data.call_site, 384 ( 0.00%) |t| !matches!(t, Whitespace | LineComment { .. } | BlockComment { .. }), . )); . } . return Some(true); . } . if left == prev_left && right == prev_right { . return Some(true); . } . if left == prev_left -- line 973 ---------------------------------------- -- line 980 ---------------------------------------- . // Either there's a different number of expansions, or at least one context is . // a parent of the evaluation context. . return Some(false); . } . left_data = left.outer_expn_data(); . right_data = right.outer_expn_data(); . } . } 9,864 ( 0.00%) } . . fn swap_binop<'a>( . &self, . binop: BinOpKind, . lhs: &'a Expr<'a>, . rhs: &'a Expr<'a>, . ) -> Option<(BinOpKind, &'a Expr<'a>, &'a Expr<'a>)> { 35 ( 0.00%) match binop { . // `==` and `!=`, are commutative 18 ( 0.00%) BinOpKind::Eq | BinOpKind::Ne => Some((binop, rhs, lhs)), . // Comparisons can be reversed . BinOpKind::Lt => Some((BinOpKind::Gt, rhs, lhs)), . BinOpKind::Le => Some((BinOpKind::Ge, rhs, lhs)), . BinOpKind::Ge => Some((BinOpKind::Le, rhs, lhs)), . BinOpKind::Gt => Some((BinOpKind::Lt, rhs, lhs)), . // Non-commutative operators . BinOpKind::Shl | BinOpKind::Shr | BinOpKind::Rem | BinOpKind::Sub | BinOpKind::Div => None, . // We know that those operators are commutative for primitive types, . // and we don't assume anything for other types . BinOpKind::Mul . | BinOpKind::Add . | BinOpKind::And . | BinOpKind::Or . | BinOpKind::BitAnd . | BinOpKind::BitXor 1 ( 0.00%) | BinOpKind::BitOr => self.inner.maybe_typeck_results.and_then(|(typeck_lhs, _)| { . typeck_lhs 5 ( 0.00%) .expr_ty_adjusted(lhs) 69 ( 0.00%) => ???:::expr_ty_adjusted (1x) . .peel_refs() . .is_primitive() . .then_some((binop, rhs, lhs)) . }), . } 7 ( 0.00%) } . } . . /// Some simple reductions like `{ return }` => `return` 1,862 ( 0.00%) fn reduce_exprkind<'hir>( . cx: &LateContext<'_>, . eval_ctxt: SyntaxContext, . kind: &'hir ExprKind<'hir>, . ) -> &'hir ExprKind<'hir> { 3,724 ( 0.00%) if let ExprKind::Block(block, _) = kind { . match (block.stmts, block.expr) { . // From an `if let` expression without an `else` block. The arm for the implicit wild pattern is an empty . // block with an empty span. . ([], None) if block.span.is_empty() => &ExprKind::Tup(&[]), . // `{}` => `()` . ([], None) . if block.span.ctxt() != eval_ctxt . || block.span.check_text(cx, |src| { -- line 1039 ---------------------------------------- -- line 1065 ---------------------------------------- . }, . _ => kind, . }, . _ => kind, . } . } else { . kind . } 1,862 ( 0.00%) } . . /// Checks if the two `Option`s are both `None` or some equal values as per . /// `eq_fn`. . pub fn both(l: Option<&X>, r: Option<&X>, mut eq_fn: impl FnMut(&X, &X) -> bool) -> bool { . l.as_ref() . .map_or_else(|| r.is_none(), |x| r.as_ref().is_some_and(|y| eq_fn(x, y))) . } . . /// Checks if the two `Option`s are both `Some` and pass the predicate function. . pub fn both_some_and(l: Option, r: Option, mut pred: impl FnMut(X, Y) -> bool) -> bool { . l.is_some_and(|l| r.is_some_and(|r| pred(l, r))) . } . . /// Checks if two slices are equal as per `eq_fn`. . pub fn over(left: &[X], right: &[Y], mut eq_fn: impl FnMut(&X, &Y) -> bool) -> bool { 1,323 ( 0.00%) left.len() == right.len() && left.iter().zip(right).all(|(x, y)| eq_fn(x, y)) 133 ( 0.00%) } . . /// Counts how many elements of the slices are equal as per `eq_fn`. . pub fn count_eq( . left: &mut dyn Iterator, . right: &mut dyn Iterator, . mut eq_fn: impl FnMut(&X, &X) -> bool, . ) -> usize { . left.zip(right).take_while(|(l, r)| eq_fn(l, r)).count() -- line 1098 ---------------------------------------- -- line 1099 ---------------------------------------- . } . . /// Checks if two expressions evaluate to the same value, and don't contain any side effects. . /// . /// The context argument is the context used to view the two expressions. e.g. when comparing the . /// two arguments in `f(m!(1), m!(2))` the context of the call expression should be used. This is . /// needed to handle the case where two macros expand to the same thing, but the arguments are . /// different. 872 ( 0.00%) pub fn eq_expr_value(cx: &LateContext<'_>, ctxt: SyntaxContext, left: &Expr<'_>, right: &Expr<'_>) -> bool { 218 ( 0.00%) SpanlessEq::new(cx).deny_side_effects().eq_expr(ctxt, left, right) 1,308 ( 0.00%) } . . /// Returns the segments of a path that might have generic parameters. . /// Usually just the last segment for free items, except for when the path resolves to an associated . /// item, in which case it is the last two . fn generic_path_segments<'tcx>(segments: &'tcx [PathSegment<'tcx>]) -> Option<&'tcx [PathSegment<'tcx>]> { . match segments.last()?.res { . Res::Def(DefKind::AssocConst { .. } | DefKind::AssocFn | DefKind::AssocTy, _) => { . // >::assoc:: -- line 1117 ---------------------------------------- -- line 1133 ---------------------------------------- . cx: &'a LateContext<'tcx>, . maybe_typeck_results: Option<&'tcx TypeckResults<'tcx>>, . s: FxHasher, . path_check: PathCheck, . } . . impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { . pub fn new(cx: &'a LateContext<'tcx>) -> Self { 1,100 ( 0.00%) Self { . cx, 224 ( 0.00%) maybe_typeck_results: cx.typeck_results, . s: FxHasher::default(), . path_check: PathCheck::default(), . } . } . . /// Check paths by their resolution instead of exact equality. See [`PathCheck`] for more . /// details. . #[must_use] -- line 1151 ---------------------------------------- -- line 1155 ---------------------------------------- . ..self . } . } . . pub fn finish(self) -> u64 { . self.s.finish() . } . 3,020 ( 0.00%) pub fn hash_block(&mut self, b: &Block<'_>) { 302 ( 0.00%) for s in b.stmts { . self.hash_stmt(s); . } . 906 ( 0.00%) if let Some(e) = b.expr { 510 ( 0.00%) self.hash_expr(e); 65,534 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (62x) . } . . mem::discriminant(&b.rules).hash(&mut self.s); 2,416 ( 0.00%) } . . #[expect(clippy::too_many_lines)] 93,510 ( 0.00%) pub fn hash_expr(&mut self, e: &Expr<'_>) { 20,780 ( 0.00%) let simple_const = self.maybe_typeck_results.and_then(|typeck_results| { 31,170 ( 0.00%) ConstEvalCtxt::with_env(self.cx.tcx, self.cx.typing_env(), typeck_results).eval_local(e, e.span.ctxt()) 6,720 ( 0.00%) => ???:::typing_env (224x) . }); . . // const hashing may result in the same hash as some unrelated node, so add a sort of . // discriminant depending on which path we're choosing next 10,390 ( 0.00%) simple_const.hash(&mut self.s); . if simple_const.is_some() { . return; . } . . mem::discriminant(&e.kind).hash(&mut self.s); . 28,653 ( 0.00%) match &e.kind { . ExprKind::AddrOf(kind, m, e) => { . mem::discriminant(kind).hash(&mut self.s); . m.hash(&mut self.s); 1,890 ( 0.00%) self.hash_expr(e); . }, . ExprKind::Continue(i) => { 415 ( 0.00%) if let Some(i) = i.label { . self.hash_name(i.ident.name); . } . }, . ExprKind::Array(v) => { 3 ( 0.00%) self.hash_exprs(v); . }, . ExprKind::Assign(l, r, _) => { 12 ( 0.00%) self.hash_expr(l); 1,076 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (3x) . self.hash_expr(r); . }, . ExprKind::AssignOp(o, l, r) => { . mem::discriminant(&o.node).hash(&mut self.s); 12 ( 0.00%) self.hash_expr(l); 1,100 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (4x) . self.hash_expr(r); . }, . ExprKind::Become(f) => { . self.hash_expr(f); . }, . ExprKind::Block(b, _) => { 1,156 ( 0.00%) self.hash_block(b); 2,131,274 ( 0.04%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_block (37x) . }, . ExprKind::Binary(op, l, r) => { . mem::discriminant(&op.node).hash(&mut self.s); 324 ( 0.00%) self.hash_expr(l); 60,630 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (90x) . self.hash_expr(r); . }, . ExprKind::Break(i, j) => { 96 ( 0.00%) if let Some(i) = i.label { . self.hash_name(i.ident.name); . } 48 ( 0.00%) if let Some(j) = j { . self.hash_expr(j); . } . }, . ExprKind::Call(fun, args) => { 6,231 ( 0.00%) self.hash_expr(fun); 10,218 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (32x) 2,077 ( 0.00%) self.hash_exprs(args); . }, . ExprKind::Cast(e, ty) | ExprKind::Type(e, ty) => { 3 ( 0.00%) self.hash_expr(e); 275 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (1x) 1 ( 0.00%) self.hash_ty(ty); . }, . ExprKind::Closure(Closure { 1 ( 0.00%) capture_clause, body, .. . }) => { . mem::discriminant(capture_clause).hash(&mut self.s); . // closures inherit TypeckResults 7 ( 0.00%) self.hash_expr(self.cx.tcx.hir_body(*body).value); 77 ( 0.00%) => ???:::hir_body (1x) . }, . ExprKind::ConstBlock(l_id) => { . self.hash_body(l_id.body); . }, . ExprKind::DropTemps(e) | ExprKind::Yield(e, _) => { 1,894 ( 0.00%) self.hash_expr(e); . }, . ExprKind::Field(e, f) => { 429 ( 0.00%) self.hash_expr(e); 42,971 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (143x) 143 ( 0.00%) self.hash_name(f.name); . }, . ExprKind::Index(a, i, _) => { 16 ( 0.00%) self.hash_expr(a); 2,380 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (4x) . self.hash_expr(i); . }, . ExprKind::InlineAsm(asm) => { . for piece in asm.template { . match piece { . InlineAsmTemplatePiece::String(s) => s.hash(&mut self.s), . InlineAsmTemplatePiece::Placeholder { . operand_idx, -- line 1266 ---------------------------------------- -- line 1310 ---------------------------------------- . InlineAsmOperand::Const { anon_const } => { . self.hash_body(anon_const.body); . }, . InlineAsmOperand::SymStatic { path, def_id: _ } => self.hash_qpath(path), . InlineAsmOperand::Label { block } => self.hash_block(block), . } . } . }, 16 ( 0.00%) ExprKind::Let(LetExpr { pat, init, ty, .. }) => { 48 ( 0.00%) self.hash_expr(init); 4,092 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (6x) 48 ( 0.00%) if let Some(ty) = ty { . self.hash_ty(ty); . } 64 ( 0.00%) self.hash_pat(pat); 878 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_pat (6x) . }, . ExprKind::Lit(l) => { . l.node.hash(&mut self.s); . }, . ExprKind::Loop(b, i, ..) => { 39 ( 0.00%) self.hash_block(b); 82,324 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_block'2 (11x) 12,032 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_block (2x) 208 ( 0.00%) if let Some(i) = i { . self.hash_name(i.ident.name); . } . }, . ExprKind::If(cond, then, else_opt) => { 81 ( 0.00%) self.hash_expr(cond); 88,541 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (11x) 81 ( 0.00%) self.hash_expr(then); 72,542 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (11x) . if let Some(e) = else_opt { . self.hash_expr(e); . } . }, . ExprKind::Match(scrutinee, arms, _) => { 84 ( 0.00%) self.hash_expr(scrutinee); 830 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (1x) . 28 ( 0.00%) for arm in *arms { 165 ( 0.00%) self.hash_pat(arm.pat); 690 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_pat (3x) 165 ( 0.00%) if let Some(e) = arm.guard { . self.hash_expr(e); . } 165 ( 0.00%) self.hash_expr(arm.body); 8,747 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (3x) . } . }, . ExprKind::MethodCall(path, receiver, args, _fn_span) => { 166 ( 0.00%) self.hash_name(path.ident.name); 249 ( 0.00%) self.hash_expr(receiver); 6,339 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (10x) 83 ( 0.00%) self.hash_exprs(args); . }, . ExprKind::OffsetOf(container, fields) => { . self.hash_ty(container); . for field in *fields { . self.hash_name(field.name); . } . }, . ExprKind::Path(qpath) => { -- line 1363 ---------------------------------------- -- line 1368 ---------------------------------------- . self.hash_const_arg(len); . }, . ExprKind::Ret(e) => { . if let Some(e) = e { . self.hash_expr(e); . } . }, . ExprKind::Struct(path, fields, expr) => { 5 ( 0.00%) self.hash_qpath(path); . 5 ( 0.00%) for f in *fields { 8 ( 0.00%) self.hash_name(f.ident.name); 24 ( 0.00%) self.hash_expr(f.expr); 2,705 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (4x) . } . 10 ( 0.00%) if let StructTailExpr::Base(e) = expr { . self.hash_expr(e); . } . }, . ExprKind::Tup(tup) => { 13 ( 0.00%) self.hash_exprs(tup); . }, . ExprKind::Use(expr, _) => { . self.hash_expr(expr); . }, . ExprKind::Unary(l_op, le) => { . mem::discriminant(l_op).hash(&mut self.s); 1 ( 0.00%) self.hash_expr(le); . }, . ExprKind::UnsafeBinderCast(kind, expr, ty) => { . mem::discriminant(kind).hash(&mut self.s); . self.hash_expr(expr); . if let Some(ty) = ty { . self.hash_ty(ty); . } . }, . ExprKind::Err(_) => {}, . } 83,120 ( 0.00%) } . . pub fn hash_exprs(&mut self, e: &[Expr<'_>]) { . for e in e { 9,621 ( 0.00%) self.hash_expr(e); 713,092 ( 0.01%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (79x) . } . } . . pub fn hash_name(&mut self, n: Symbol) { . n.hash(&mut self.s); . } . . pub fn hash_qpath(&mut self, p: &QPath<'_>) { 9,826 ( 0.00%) match p { . QPath::Resolved(_, path) => { 13,452 ( 0.00%) self.hash_path(path); 666 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_path (15x) . }, . QPath::TypeRelative(_, path) => { 415 ( 0.00%) self.hash_name(path.ident.name); . }, . } . // self.maybe_typeck_results.unwrap().qpath_res(p, id).hash(&mut self.s); . } . . pub fn hash_pat_expr(&mut self, lit: &PatExpr<'_>) { . mem::discriminant(&lit.kind).hash(&mut self.s); 16 ( 0.00%) match &lit.kind { . PatExprKind::Lit { lit, negated } => { . lit.node.hash(&mut self.s); . negated.hash(&mut self.s); . }, . PatExprKind::Path(qpath) => self.hash_qpath(qpath), . } . } . -- line 1440 ---------------------------------------- -- line 1449 ---------------------------------------- . for variant in variants { . self.hash_ty_pat(variant); . } . }, . TyPatKind::NotNull | TyPatKind::Err(_) => {}, . } . } . 6,230 ( 0.00%) pub fn hash_pat(&mut self, pat: &Pat<'_>) { . mem::discriminant(&pat.kind).hash(&mut self.s); 1,335 ( 0.00%) match &pat.kind { . PatKind::Missing => unreachable!(), . PatKind::Binding(BindingMode(by_ref, mutability), _, _, pat) => { . mem::discriminant(by_ref).hash(&mut self.s); 342 ( 0.00%) if let ByRef::Yes(pi, mu) = by_ref { . mem::discriminant(pi).hash(&mut self.s); . mem::discriminant(mu).hash(&mut self.s); . } . mem::discriminant(mutability).hash(&mut self.s); 1,368 ( 0.00%) if let Some(pat) = pat { . self.hash_pat(pat); . } . }, . PatKind::Box(pat) | PatKind::Deref(pat) => self.hash_pat(pat), 16 ( 0.00%) PatKind::Expr(expr) => self.hash_pat_expr(expr), . PatKind::Or(pats) => { 2 ( 0.00%) for pat in *pats { 8 ( 0.00%) self.hash_pat(pat); 700 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_pat'2 (4x) . } . }, . PatKind::Range(s, e, i) => { . if let Some(s) = s { . self.hash_pat_expr(s); . } . if let Some(e) = e { . self.hash_pat_expr(e); -- line 1484 ---------------------------------------- -- line 1502 ---------------------------------------- . self.hash_pat(pat); . } . for pat in *r { . self.hash_pat(pat); . } . }, . PatKind::Struct(qpath, fields, e) => { . self.hash_qpath(qpath); 22 ( 0.00%) for f in *fields { 19 ( 0.00%) self.hash_name(f.ident.name); 57 ( 0.00%) self.hash_pat(f.pat); 833 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_pat'2 (17x) . } . e.hash(&mut self.s); . }, . PatKind::Tuple(pats, e) => { 11 ( 0.00%) for pat in *pats { 44 ( 0.00%) self.hash_pat(pat); 1,078 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_pat'2 (22x) . } . e.hash(&mut self.s); . }, . PatKind::TupleStruct(qpath, pats, e) => { . self.hash_qpath(qpath); 34 ( 0.00%) for pat in *pats { 68 ( 0.00%) self.hash_pat(pat); 1,698 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_pat'2 (30x) . } . e.hash(&mut self.s); 34 ( 0.00%) }, . PatKind::Never | PatKind::Wild | PatKind::Err(_) => {}, . } 3,432 ( 0.00%) } . 35,760 ( 0.00%) pub fn hash_path(&mut self, path: &Path<'_>) { 8,940 ( 0.00%) match path.res { . // constant hash since equality is dependant on inter-expression context . // e.g. The expressions `if let Some(x) = foo() {}` and `if let Some(y) = foo() {}` are considered equal . // even though the binding names are different and they have different `HirId`s. . Res::Local(_) => 1_usize.hash(&mut self.s), . _ => { 4,060 ( 0.00%) if let PathCheck::Resolution = self.path_check . && let [.., last] = path.segments . && let Some(segments) = generic_path_segments(path.segments) . { . for seg in segments { . self.hash_generic_args(seg.args().args); . } . last.res.hash(&mut self.s); . } else { 2,030 ( 0.00%) for seg in path.segments { 5,599 ( 0.00%) self.hash_name(seg.ident.name); 22,396 ( 0.00%) self.hash_generic_args(seg.args().args); 16,797 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::hash_generic_args (5,599x) . } . } . }, . } 35,760 ( 0.00%) } . . pub fn hash_modifiers(&mut self, modifiers: TraitBoundModifiers) { . let TraitBoundModifiers { constness, polarity } = modifiers; . mem::discriminant(&polarity).hash(&mut self.s); . mem::discriminant(&constness).hash(&mut self.s); . } . . pub fn hash_stmt(&mut self, b: &Stmt<'_>) { . mem::discriminant(&b.kind).hash(&mut self.s); . 6,928 ( 0.00%) match &b.kind { . StmtKind::Let(local) => { 1,178 ( 0.00%) self.hash_pat(local.pat); 3,038 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_pat (62x) 885 ( 0.00%) if let Some(init) = local.init { 588 ( 0.00%) self.hash_expr(init); 102,813 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (62x) . } 885 ( 0.00%) if let Some(els) = local.els { . self.hash_block(els); . } . }, . StmtKind::Item(..) => {}, . StmtKind::Expr(expr) | StmtKind::Semi(expr) => { 5,403 ( 0.00%) self.hash_expr(expr); 2,786,023 ( 0.05%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr'2 (806x) . }, . } . } . . pub fn hash_lifetime(&mut self, lifetime: &Lifetime) { . lifetime.ident.name.hash(&mut self.s); . mem::discriminant(&lifetime.kind).hash(&mut self.s); . if let LifetimeKind::Param(param_id) = lifetime.kind { . param_id.hash(&mut self.s); . } . } . . pub fn hash_ty(&mut self, ty: &Ty<'_>) { . mem::discriminant(&ty.kind).hash(&mut self.s); 3 ( 0.00%) self.hash_tykind(&ty.kind); 77 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_tykind (1x) . } . 11 ( 0.00%) pub fn hash_tykind(&mut self, ty: &TyKind<'_>) { 5 ( 0.00%) match ty { . TyKind::Slice(ty) => { . self.hash_ty(ty); . }, . TyKind::Array(ty, len) => { . self.hash_ty(ty); . self.hash_const_arg(len); . }, . TyKind::Pat(ty, pat) => { -- line 1606 ---------------------------------------- -- line 1708 ---------------------------------------- . for arg in arg_list { . match arg { . GenericArg::Lifetime(l) => self.hash_lifetime(l), . GenericArg::Type(ty) => self.hash_ty(ty.as_unambig_ty()), . GenericArg::Const(ca) => self.hash_const_arg(ca.as_unambig_ct()), . GenericArg::Infer(inf) => self.hash_ty(&inf.to_ty()), . } . } 5,599 ( 0.00%) } . } . 20 ( 0.00%) pub fn hash_stmt(cx: &LateContext<'_>, s: &Stmt<'_>) -> u64 { . let mut h = SpanlessHash::new(cx); . h.hash_stmt(s); 10 ( 0.00%) h.finish() 30 ( 0.00%) } . . pub fn is_bool(ty: &Ty<'_>) -> bool { . if let TyKind::Path(QPath::Resolved(_, path)) = ty.kind { . matches!(path.res, Res::PrimTy(PrimTy::Bool)) . } else { . false . } . } . 214 ( 0.00%) pub fn hash_expr(cx: &LateContext<'_>, e: &Expr<'_>) -> u64 { . let mut h = SpanlessHash::new(cx); 214 ( 0.00%) h.hash_expr(e); 3,378,881 ( 0.06%) => site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:::hash_expr (214x) 214 ( 0.00%) h.finish() 428 ( 0.00%) } . 153 ( 0.00%) fn eq_span_tokens( . cx: &LateContext<'_>, . left: impl SpanRange, . right: impl SpanRange, . pred: impl Fn(TokenKind) -> bool, . ) -> bool { . fn f(cx: &LateContext<'_>, left: Range, right: Range, pred: impl Fn(TokenKind) -> bool) -> bool { 138 ( 0.00%) if let Some(lsrc) = left.get_source_range(cx) 24 ( 0.00%) && let Some(lsrc) = lsrc.as_str() 168 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::as_str (6x) 138 ( 0.00%) && let Some(rsrc) = right.get_source_range(cx) 24 ( 0.00%) && let Some(rsrc) = rsrc.as_str() 168 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::as_str (6x) . { . let pred = |&(token, ..): &(TokenKind, _, _)| pred(token); . let map = |(_, source, _)| source; . . let ltok = tokenize_with_text(lsrc).filter(pred).map(map); . let rtok = tokenize_with_text(rsrc).filter(pred).map(map); . ltok.eq(rtok) . } else { . // Unable to access the source. Conservatively assume the blocks aren't equal. . false . } . } 153 ( 0.00%) f(cx, left.into_range(), right.into_range(), pred) 578 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/source.rs:::into_range (34x) 136 ( 0.00%) } . . /// Returns true if the expression contains ambiguous literals (unsuffixed float or int literals) . /// that could be interpreted as either f32/f64 or i32/i64 depending on context. . pub fn has_ambiguous_literal_in_expr(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { . match expr.kind { . ExprKind::Path(ref qpath) => { . if let Res::Local(hir_id) = cx.qpath_res(qpath, expr.hir_id) . && let Node::LetStmt(local) = cx.tcx.parent_hir_node(hir_id) -- line 1771 ---------------------------------------- 91,330 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/literal_representation.rs -------------------------------------------------------------------------------- Ir -- line 201 ---------------------------------------- . } . } . . pub struct LiteralDigitGrouping { . lint_fraction_readability: bool, . } . . impl EarlyLintPass for LiteralDigitGrouping { 345,730 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { . // `NumericLiteral::from_lit_kind` only accepts integer and float literals. 102,116 ( 0.00%) if let ExprKind::Lit(lit) = expr.kind 10,008 ( 0.00%) && matches!(lit.kind, token::LitKind::Integer | token::LitKind::Float) 476 ( 0.00%) && !expr.span.in_external_macro(cx.sess().source_map()) . { . self.check_lit(cx, lit, expr.span); . } 395,120 ( 0.01%) } . } . . // Length of each UUID hyphenated group in hex digits. . const UUID_GROUP_LENS: [usize; 5] = [8, 4, 4, 4, 12]; . . impl LiteralDigitGrouping { . pub fn new(conf: &'static Conf) -> Self { . Self { 2 ( 0.00%) lint_fraction_readability: conf.unreadable_literal_lint_fractions, . } . } . . fn check_lit(&self, cx: &EarlyContext<'_>, lit: token::Lit, span: Span) { 434 ( 0.00%) if let Some(src) = span.get_text(cx) 496 ( 0.00%) && let Ok(lit_kind) = LitKind::from_token_lit(lit) 8,891 ( 0.00%) => ???:::from_token_lit (62x) 1,302 ( 0.00%) && let Some(mut num_lit) = NumericLiteral::from_lit_kind(&src, &lit_kind) 9,161 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/numeric_literal.rs:::from_lit_kind (62x) 1,550 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::deref (62x) . { . if !Self::check_for_mistyped_suffix(cx, span, &mut num_lit) { . return; . } . . if Self::is_literal_uuid_formatted(&num_lit) { . return; . } . 186 ( 0.00%) let result = (|| { . let integral_group_size = Self::get_group_size(num_lit.integer.split('_'), num_lit.radix, true)?; 186 ( 0.00%) if let Some(fraction) = num_lit.fraction { . let fractional_group_size = . Self::get_group_size(fraction.rsplit('_'), num_lit.radix, self.lint_fraction_readability)?; . . let consistent = Self::parts_consistent( . integral_group_size, . fractional_group_size, . num_lit.integer.len(), . fraction.len(), -- line 253 ---------------------------------------- -- line 272 ---------------------------------------- . warning_type.display(&num_lit, cx, span); . } . } . } . } . . // Returns `false` if the check fails . fn check_for_mistyped_suffix(cx: &EarlyContext<'_>, span: Span, num_lit: &mut NumericLiteral<'_>) -> bool { 62 ( 0.00%) if num_lit.suffix.is_some() { . return true; . } . 177 ( 0.00%) let (part, mistyped_suffixes, is_float) = if let Some((_, exponent)) = &mut num_lit.exponent { . (exponent, &["32", "64"][..], true) 59 ( 0.00%) } else if num_lit.fraction.is_some() { . return true; . } else { . (&mut num_lit.integer, &["8", "16", "32", "64"][..], false) . }; . 118 ( 0.00%) let mut split = part.rsplit('_'); 118 ( 0.00%) let last_group = split.next().expect("At least one group"); 59 ( 0.00%) if split.next().is_some() && mistyped_suffixes.contains(&last_group) { . let main_part = &part[..part.len() - last_group.len()]; . let missing_char; . if is_float { . missing_char = 'f'; . } else { . let radix = match num_lit.radix { . Radix::Binary => 2, . Radix::Octal => 8, -- line 302 ---------------------------------------- -- line 386 ---------------------------------------- . groups: impl Iterator, . radix: Radix, . lint_unreadable: bool, . ) -> Result, WarningType> { . let mut groups = groups.map(str::len); . . let first = groups.next().expect("At least one group"); . 124 ( 0.00%) if (radix == Radix::Binary || radix == Radix::Octal || radix == Radix::Hexadecimal) . && let Some(second_size) = groups.next() . && (!groups.all(|i| i == second_size) || first > second_size) . { . return Err(WarningType::UnusualByteGroupings); . } . . if let Some(second) = groups.next() { . if !groups.all(|x| x == second) || first > second { . Err(WarningType::InconsistentDigitGrouping) . } else if second > 4 { . Err(WarningType::LargeDigitGroups) . } else { . Ok(Some(second)) . } 124 ( 0.00%) } else if first > 5 && lint_unreadable { . Err(WarningType::UnreadableLiteral) . } else { . Ok(None) . } . } . } . . pub struct DecimalLiteralRepresentation { . threshold: u64, . } . . impl EarlyLintPass for DecimalLiteralRepresentation { 345,730 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { . // Only integer tokens can produce `LitKind::Int`. 98,780 ( 0.00%) if let ExprKind::Lit(lit) = expr.kind . && lit.kind == token::LitKind::Integer 357 ( 0.00%) && !expr.span.in_external_macro(cx.sess().source_map()) . { 310 ( 0.00%) self.check_lit(cx, lit, expr.span); . } 395,120 ( 0.01%) } . } . . impl DecimalLiteralRepresentation { . pub fn new(conf: &'static Conf) -> Self { . Self { 2 ( 0.00%) threshold: conf.literal_representation_threshold, . } . } . fn check_lit(&self, cx: &EarlyContext<'_>, lit: token::Lit, span: Span) { . // Lint integral literals. 434 ( 0.00%) if let Ok(lit_kind) = LitKind::from_token_lit(lit) 8,891 ( 0.00%) => ???:::from_token_lit (62x) 248 ( 0.00%) && let LitKind::Int(val, _) = lit_kind 62 ( 0.00%) && val >= u128::from(self.threshold) . && let Some(src) = span.get_text(cx) . && let Some(num_lit) = NumericLiteral::from_lit_kind(&src, &lit_kind) . && num_lit.radix == Radix::Decimal . { . let hex = format!("{val:#X}"); . let num_lit = NumericLiteral::new(&hex, num_lit.suffix, false); . let _: Result<(), ()> = Self::do_lint(num_lit.integer).map_err(|warning_type| { . warning_type.display(&num_lit, cx, span); -- line 451 ---------------------------------------- 975 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/zero_div_zero.rs -------------------------------------------------------------------------------- Ir -- line 24 ---------------------------------------- . pub ZERO_DIVIDED_BY_ZERO, . complexity, . "usage of `0.0 / 0.0` to obtain NaN instead of `f32::NAN` or `f64::NAN`" . } . . declare_lint_pass!(ZeroDiv => [ZERO_DIVIDED_BY_ZERO]); . . impl<'tcx> LateLintPass<'tcx> for ZeroDiv { 312,270 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { . // check for instances of 0.0/0.0 104,090 ( 0.00%) if let ExprKind::Binary(ref op, left, right) = expr.kind 246 ( 0.00%) && op.node == BinOpKind::Div . // TODO - constant_simple does not fold many operations involving floats. . // That's probably fine for this lint - it's pretty unlikely that someone would . // do something like 0.0/(2.0 - 2.0), but it would be nice to warn on that case too. . && let ecx = ConstEvalCtxt::new(cx) . && let ctxt = expr.span.ctxt() . && let Some(lhs_value) = ecx.eval_local(left, ctxt) . && let Some(rhs_value) = ecx.eval_local(right, ctxt) . // FIXME(f16_f128): add these types when eq is available on all platforms -- line 43 ---------------------------------------- -- line 54 ---------------------------------------- . cx, . ZERO_DIVIDED_BY_ZERO, . expr.span, . "constant division of `0.0` with `0.0` will always result in NaN", . None, . format!("consider using `{float_type}::NAN` if you would like a constant representing NaN"), . ); . } 364,315 ( 0.01%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unit_return_expecting_ord.rs -------------------------------------------------------------------------------- Ir -- line 37 ---------------------------------------- . declare_lint_pass!(UnitReturnExpectingOrd => [UNIT_RETURN_EXPECTING_ORD]); . . fn get_trait_predicates_for_trait_ids<'tcx>( . cx: &LateContext<'tcx>, . generics: GenericClauses<'tcx>, . trait_ids: &[Option], // At least 2 ids . ) -> [Vec>; 3] { . debug_assert!(trait_ids.len() >= 2); 2,576 ( 0.00%) let mut preds = [Vec::new(), Vec::new(), Vec::new()]; . for (clause, _) in generics.clauses { 4,970 ( 0.00%) if let ClauseKind::Trait(poly_trait_pred) = clause.kind().skip_binder() { 13,916 ( 0.00%) => ???:::kind (994x) . let trait_pred = cx . .tcx 5,950 ( 0.00%) .instantiate_bound_regions_with_erased(clause.kind().rebind(poly_trait_pred)); 108,650 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased::> (850x) 11,900 ( 0.00%) => ???:::kind (850x) . for (i, tid) in trait_ids.iter().enumerate() { 3,628 ( 0.00%) if let Some(tid) = tid . && *tid == trait_pred.trait_ref.def_id . { . preds[i].push(trait_pred); . } . } . } . } 4,508 ( 0.00%) preds . } . . fn get_projection_pred<'tcx>( . cx: &LateContext<'tcx>, . generics: GenericClauses<'tcx>, . trait_pred: TraitPredicate<'tcx>, . ) -> Option> { . generics.clauses.iter().find_map(|(clause, _)| { 3,131 ( 0.00%) if let ClauseKind::Projection(pred) = clause.kind().skip_binder() { 7,490 ( 0.00%) => ???:::kind (535x) 798 ( 0.00%) let projection_pred = cx.tcx.instantiate_bound_regions_with_erased(clause.kind().rebind(pred)); 54,507 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased::> (114x) 1,596 ( 0.00%) => ???:::kind (114x) 114 ( 0.00%) if projection_pred.projection_term.args == trait_pred.trait_ref.args { 684 ( 0.00%) return Some(projection_pred); . } . } . None . }) . } . . fn get_args_to_check<'tcx>( . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'tcx>, . args_len: usize, . fn_mut_trait: DefId, . ord_trait: Option, . partial_ord_trait: Option, . ) -> Vec<(usize, Symbol)> { . let mut args_to_check = Vec::new(); 1,610 ( 0.00%) if let Some(def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) { 16,458 ( 0.00%) => ???:::type_dependent_def_id (322x) . let fn_sig = cx.tcx.fn_sig(def_id).instantiate_identity().skip_norm_wip(); . let generics = cx.tcx.clauses_of(def_id); 4,186 ( 0.00%) let [fn_mut_preds, ord_preds, partial_ord_preds] = 322 ( 0.00%) get_trait_predicates_for_trait_ids(cx, generics, &[Some(fn_mut_trait), ord_trait, partial_ord_trait]); 322 ( 0.00%) if fn_mut_preds.is_empty() { . return vec![]; . } . . // Trying to call instantiate_bound_regions_with_erased on fn_sig.inputs() gives the following error . // The trait `rustc::ty::TypeFoldable<'_>` is not implemented for . // `&[rustc_middle::ty::Ty<'_>]` 228 ( 0.00%) let inputs_output = cx.tcx.instantiate_bound_regions_with_erased(fn_sig.inputs_and_output()); 24,646 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased::<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty>> (114x) . inputs_output . .iter() . .rev() . .skip(1) . .rev() . .enumerate() . .for_each(|(i, inp)| { . for trait_pred in &fn_mut_preds { 464 ( 0.00%) if trait_pred.self_ty() == inp 912 ( 0.00%) && let Some(return_ty_pred) = get_projection_pred(cx, generics, *trait_pred) . { . if ord_preds . .iter() . .any(|ord| Some(ord.self_ty()) == return_ty_pred.term.as_type()) . { . args_to_check.push((i, sym::Ord)); . if args_to_check.len() == args_len - 1 { . break; -- line 118 ---------------------------------------- -- line 125 ---------------------------------------- . if args_to_check.len() == args_len - 1 { . break; . } . } . } . } . }); . } 570 ( 0.00%) args_to_check . } . . fn check_arg<'tcx>(cx: &LateContext<'tcx>, arg: &'tcx Expr<'tcx>) -> Option<(Span, Option)> { . if let ExprKind::Closure(&Closure { body, fn_decl_span, .. }) = arg.kind . && let ty::Closure(_def_id, args) = &cx.typeck_results().node_type(arg.hir_id).kind() . && let ret_ty = args.as_closure().sig().output() . && let ty = cx.tcx.instantiate_bound_regions_with_erased(ret_ty) . && ty.is_unit() -- line 141 ---------------------------------------- -- line 153 ---------------------------------------- . Some((fn_decl_span, None)) . } . } else { . None . } . } . . impl<'tcx> LateLintPass<'tcx> for UnitReturnExpectingOrd { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 105,684 ( 0.00%) if let ExprKind::MethodCall(_, receiver, args, _) = expr.kind 1,068 ( 0.00%) && args.iter().any(|arg| { . matches!( . arg.peel_blocks().peel_borrows().peel_drop_temps().kind, . ExprKind::Path(_) | ExprKind::Closure(_) . ) . }) 1,610 ( 0.00%) && let Some(fn_mut_trait) = cx.tcx.lang_items().fn_mut_trait() 9,660 ( 0.00%) => ???:::lang_items (322x) . { 1,288 ( 0.00%) let ord_trait = cx.tcx.get_diagnostic_item(sym::Ord); 23,184 ( 0.00%) => ???:::get_diagnostic_item (322x) 644 ( 0.00%) let partial_ord_trait = cx.tcx.lang_items().partial_ord_trait(); 9,660 ( 0.00%) => ???:::lang_items (322x) . if (ord_trait, partial_ord_trait) == (None, None) { . return; . } . . let args = std::iter::once(receiver).chain(args.iter()).collect::>(); 644 ( 0.00%) let arg_indices = get_args_to_check(cx, expr, args.len(), fn_mut_trait, ord_trait, partial_ord_trait); . for (i, trait_name) in arg_indices { . if let Some((span, last_semi)) = check_arg(cx, args[i]) { . span_lint_and_then( . cx, . UNIT_RETURN_EXPECTING_ORD, . span, . format!( . "this closure returns \ -- line 186 ---------------------------------------- -- line 190 ---------------------------------------- . if let Some(last_semi) = last_semi { . diag.span_help(last_semi, "probably caused by this trailing semicolon"); . } . }, . ); . } . } . } 416,360 ( 0.01%) } . } 9,595 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/bool_comparison.rs -------------------------------------------------------------------------------- Ir -- line 31 ---------------------------------------- . pub BOOL_COMPARISON, . complexity, . "comparing a variable to a boolean, e.g., `if x == true` or `if x != true`" . } . . declare_lint_pass!(BoolComparison => [BOOL_COMPARISON]); . . impl<'tcx> LateLintPass<'tcx> for BoolComparison { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 156,135 ( 0.00%) if e.span.from_expansion() { . return; . } . 453 ( 0.00%) if let ExprKind::Binary(Spanned { node, .. }, left_side, right_side) = e.kind 906 ( 0.00%) && is_expn_of(left_side.span, sym::cfg).is_none() 5,587 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_expn_of (151x) 906 ( 0.00%) && is_expn_of(right_side.span, sym::cfg).is_none() 5,587 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_expn_of (151x) 755 ( 0.00%) && cx.typeck_results().expr_ty(left_side).is_bool() 6,040 ( 0.00%) => ???:::expr_ty (151x) 260 ( 0.00%) && cx.typeck_results().expr_ty(right_side).is_bool() 2,092 ( 0.00%) => ???:::expr_ty (52x) . { 52 ( 0.00%) let ignore_case = None::<(fn(_) -> _, &str)>; 52 ( 0.00%) let ignore_no_literal = None::<(fn(_, _) -> _, &str)>; 156 ( 0.00%) match node { . BinOpKind::Eq => { . let true_case = Some((|h| h, "equality checks against true are unnecessary")); . let false_case = Some(( . |h: Sugg<'tcx>| !h, . "equality checks against false can be replaced by a negation", . )); . check_comparison(cx, e, true_case, false_case, true_case, false_case, ignore_no_literal); . }, -- line 60 ---------------------------------------- -- line 94 ---------------------------------------- . Some(( . |l: Sugg<'tcx>, r: Sugg<'tcx>| l.bit_and(&(!r)), . "order comparisons between booleans can be simplified", . )), . ), . _ => (), . } . } 416,360 ( 0.01%) } . } . . fn check_comparison<'a, 'tcx>( . cx: &LateContext<'tcx>, . e: &'tcx Expr<'_>, . left_true: Option<(impl FnOnce(Sugg<'a>) -> Sugg<'a>, &'static str)>, . left_false: Option<(impl FnOnce(Sugg<'a>) -> Sugg<'a>, &'static str)>, . right_true: Option<(impl FnOnce(Sugg<'a>) -> Sugg<'a>, &'static str)>, -- line 110 ---------------------------------------- 20,334 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs -------------------------------------------------------------------------------- Ir -- line 97 ---------------------------------------- . . /// This cache only tracks the `DebruijnIndex` and assumes that it does not matter . /// for the delegate how often its methods get used. . cache: DelayedMap<(ty::DebruijnIndex, Ty<'tcx>), Ty<'tcx>>, . } . . impl<'tcx, D: BoundVarReplacerDelegate<'tcx>> BoundVarReplacer<'tcx, D> { . fn new(tcx: TyCtxt<'tcx>, delegate: D) -> Self { 13,989 ( 0.00%) BoundVarReplacer { tcx, current_index: ty::INNERMOST, delegate, cache: Default::default() } . } . } . . impl<'tcx, D> TypeFolder> for BoundVarReplacer<'tcx, D> . where . D: BoundVarReplacerDelegate<'tcx>, . { . fn cx(&self) -> TyCtxt<'tcx> { -- line 113 ---------------------------------------- -- line 119 ---------------------------------------- . t: ty::Binder<'tcx, T>, . ) -> ty::Binder<'tcx, T> { . self.current_index.shift_in(1); . let t = t.super_fold_with(self); . self.current_index.shift_out(1); . t . } . 11,700 ( 0.00%) fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> { 5,850 ( 0.00%) match *t.kind() { . ty::Bound(ty::BoundVarIndexKind::Bound(debruijn), bound_ty) . if debruijn == self.current_index => . { . let ty = self.delegate.replace_ty(bound_ty); . debug_assert!(!ty.has_vars_bound_above(ty::INNERMOST)); . ty::shift_vars(self.tcx, ty, self.current_index.as_u32()) . } . _ => { 5,850 ( 0.00%) if !t.has_vars_bound_at_or_above(self.current_index) { . t 3,016 ( 0.00%) } else if let Some(&t) = self.cache.get(&(self.current_index, t)) { . t . } else { 4,524 ( 0.00%) let res = t.super_fold_with(self); 872,804 ( 0.02%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/structural_impls.rs:>::super_fold_with::> (1,115x) . assert!(self.cache.insert((self.current_index, t), res)); . res . } . } . } 11,700 ( 0.00%) } . . fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> { 7,812 ( 0.00%) match r.kind() { . ty::ReBound(ty::BoundVarIndexKind::Bound(debruijn), br) 1,302 ( 0.00%) if debruijn == self.current_index => . { 4,909 ( 0.00%) let region = self.delegate.replace_region(br); 371,542 ( 0.01%) => ???:::replace_region (861x) 7,812 ( 0.00%) if let ty::ReBound(ty::BoundVarIndexKind::Bound(debruijn1), br) = region.kind() { . // If the callback returns a bound region, . // that region should always use the INNERMOST . // debruijn index. Then we adjust it to the . // correct depth. . assert_eq!(debruijn1, ty::INNERMOST); . ty::Region::new_bound(self.tcx, debruijn, br) . } else { . region -- line 164 ---------------------------------------- -- line 210 ---------------------------------------- . mut fld_r: F, . ) -> (T, FxIndexMap, ty::Region<'tcx>>) . where . F: FnMut(ty::BoundRegion<'tcx>) -> ty::Region<'tcx>, . T: TypeFoldable>, . { . let mut region_map = FxIndexMap::default(); . let real_fld_r = 15,476 ( 0.00%) |br: ty::BoundRegion<'tcx>| *region_map.entry(br).or_insert_with(|| fld_r(br)); . let value = self.instantiate_bound_regions_uncached(value, real_fld_r); 2,953 ( 0.00%) (value, region_map) . } . . pub fn instantiate_bound_regions_uncached( . self, . value: Binder<'tcx, T>, . mut replace_regions: F, . ) -> T . where . F: FnMut(ty::BoundRegion<'tcx>) -> ty::Region<'tcx>, . T: TypeFoldable>, . { . let value = value.skip_binder(); 2,288 ( 0.00%) if !value.has_escaping_bound_vars() { 19,781 ( 0.00%) value . } else { . let delegate = FnMutDelegate { . regions: &mut replace_regions, . types: &mut |b| bug!("unexpected bound ty in binder: {b:?}"), . consts: &mut |b| bug!("unexpected bound ct in binder: {b:?}"), . }; . let mut replacer = BoundVarReplacer::new(self, delegate); 32 ( 0.00%) value.fold_with(&mut replacer) 17,292 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/generic_args.rs:<&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_type_ir::fold::TypeFoldable>::fold_with::> (16x) 1 ( 0.00%) } . } . . /// Replaces all escaping bound vars. The `fld_r` closure replaces escaping . /// bound regions; the `fld_t` closure replaces escaping bound types and the `fld_c` . /// closure replaces escaping bound consts. . pub fn replace_escaping_bound_vars_uncached>>( . self, . value: T, -- line 251 ---------------------------------------- -- line 312 ---------------------------------------- . ty::Const::new_bound(self, ty::INNERMOST, ty::BoundConst::new(shift_bv(c.var))) . }, . }, . ) . } . . /// Replaces any late-bound regions bound in `value` with `'erased`. Useful in codegen but also . /// method lookup and a few other places where precise region relationships are not required. 36,959 ( 0.00%) pub fn instantiate_bound_regions_with_erased(self, value: Binder<'tcx, T>) -> T . where . T: TypeFoldable>, . { 21,304 ( 0.00%) self.instantiate_bound_regions(value, |_| self.lifetimes.re_erased).0 29,441 ( 0.00%) } . . /// Anonymize all bound variables in `value`, this is mostly used to improve caching. . pub fn anonymize_bound_vars(self, value: Binder<'tcx, T>) -> Binder<'tcx, T> . where . T: TypeFoldable>, . { . struct Anonymize<'a, 'tcx> { . tcx: TyCtxt<'tcx>, -- line 333 ---------------------------------------- 8,017 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/asm_syntax.rs -------------------------------------------------------------------------------- Ir -- line 136 ---------------------------------------- . if let ItemKind::GlobalAsm(inline_asm) = &item.kind { . check_asm_syntax(INLINE_ASM_X86_INTEL_SYNTAX, cx, inline_asm, item.span, AsmStyle::Intel); . } . } . } . . impl EarlyLintPass for InlineAsmX86AttSyntax { . fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 95,592 ( 0.00%) if let ExprKind::InlineAsm(inline_asm) = &expr.kind { . check_asm_syntax(INLINE_ASM_X86_ATT_SYNTAX, cx, inline_asm, expr.span, AsmStyle::Att); . } . } . . fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) { 957 ( 0.00%) if let ItemKind::GlobalAsm(inline_asm) = &item.kind { . check_asm_syntax(INLINE_ASM_X86_ATT_SYNTAX, cx, inline_asm, item.span, AsmStyle::Att); . } . } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/operators/float_cmp.rs -------------------------------------------------------------------------------- Ir -- line 7 ---------------------------------------- . use rustc_hir::def_id::DefId; . use rustc_hir::{BinOpKind, Expr, ExprKind, UnOp}; . use rustc_lint::LateContext; . use rustc_middle::ty; . use rustc_span::SyntaxContext; . . use super::{FLOAT_CMP, FLOAT_CMP_CONST}; . 468,405 ( 0.01%) pub(crate) fn check_assert<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { . if let Some(macro_call) = . first_node_macro_backtrace(cx, e).find(|macro_call| is_assert_eq_diag(cx, macro_call.def_id)) . && let Some((lhs, rhs, _)) = find_assert_eq_args(cx, e, macro_call.expn) . && is_float(cx, lhs) . { . let ecx = ConstEvalCtxt::new(cx); . let ctxt = macro_call.span.ctxt(); . -- line 23 ---------------------------------------- -- line 30 ---------------------------------------- . let msg = if is_comparing_arrays { . "strict comparison of `f32` or `f64` constant arrays" . } else { . "strict comparison of `f32` or `f64` constant" . }; . . clippy_utils::diagnostics::span_lint(cx, FLOAT_CMP_CONST, macro_call.span, msg); . } 416,360 ( 0.01%) } . . fn is_float_const(ecx: &ConstEvalCtxt<'_>, expr: &Expr<'_>, ctxt: SyntaxContext) -> bool { . match ecx.eval_with_source(expr, ctxt) { . Some((c, s)) if !is_allowed(&c) => !s.is_local(), . _ => false, . } . } . . fn is_assert_eq_diag(cx: &LateContext<'_>, def_id: DefId) -> bool { 187,014 ( 0.00%) matches!( 124,676 ( 0.00%) cx.tcx.get_diagnostic_name(def_id), 1,423,614 ( 0.03%) => ???:::get_diagnostic_name (31,169x) . Some(sym::assert_eq_macro | sym::assert_ne_macro | sym::debug_assert_eq_macro | sym::debug_assert_ne_macro) . ) . } . . fn is_inside_assert_eq(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { . macro_backtrace(expr.span).any(|mc| is_assert_eq_diag(cx, mc.def_id)) . } . 2,952 ( 0.00%) pub(crate) fn check<'tcx>( . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'_>, . op: BinOpKind, . left: &'tcx Expr<'_>, . right: &'tcx Expr<'_>, . ) { 1,387 ( 0.00%) if (op == BinOpKind::Eq || op == BinOpKind::Ne) && is_float(cx, left) { . // Skip if inside assert_eq!/assert_ne! macro to avoid double-linting . // (handled by check_assert) . if is_inside_assert_eq(cx, expr) { . return; . } . . let ecx = ConstEvalCtxt::new(cx); . let ctxt = expr.span.ctxt(); -- line 73 ---------------------------------------- -- line 108 ---------------------------------------- . lhs - rhs, . if op == BinOpKind::Eq { '<' } else { '>' } . ), . Applicability::HasPlaceholders, // snippet . ); . } . }); . } 1,968 ( 0.00%) } . . fn get_lint_and_message(is_local: bool, is_comparing_arrays: bool) -> (&'static rustc_lint::Lint, &'static str) { . if is_local { . ( . FLOAT_CMP, . if is_comparing_arrays { . "strict comparison of `f32` or `f64` arrays" . } else { -- line 124 ---------------------------------------- -- line 164 ---------------------------------------- . // the method call) . { . return is_float(cx, self_arg); . } . false . } . . fn is_float(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 258 ( 0.00%) let value = &cx.typeck_results().expr_ty(expr).peel_refs().kind(); 3,440 ( 0.00%) => ???:::expr_ty (86x) . . if let ty::Array(arr_ty, _) = value { . return matches!(arr_ty.kind(), ty::Float(_)); . } . . matches!(value, ty::Float(_)) . } . -- line 180 ---------------------------------------- 474 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/disallowed_methods.rs -------------------------------------------------------------------------------- Ir -- line 64 ---------------------------------------- . impl_lint_pass!(DisallowedMethods => [DISALLOWED_METHODS]); . . pub struct DisallowedMethods { . disallowed: DefIdMap<(&'static str, &'static DisallowedPath)>, . } . . impl DisallowedMethods { . pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { 10 ( 0.00%) let (disallowed, _) = create_disallowed_map( 38 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_config/src/types.rs:clippy_config::types::create_disallowed_map::::new::{closure#0}> (1x) . tcx, . &conf.disallowed_methods, . PathNS::Value, . |def_kind| { . matches!( . def_kind, . DefKind::Fn | DefKind::Ctor(_, CtorKind::Fn) | DefKind::AssocFn . ) . }, . "function", . false, 1 ( 0.00%) ); 4 ( 0.00%) Self { disallowed } . } . } . . impl<'tcx> LateLintPass<'tcx> for DisallowedMethods { 260,225 ( 0.00%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 52,045 ( 0.00%) if self.disallowed.is_empty() { . return; . } . if expr.span.desugaring_kind().is_some() { . return; . } . let (id, span) = match &expr.kind { . ExprKind::Path(path) if let Res::Def(_, id) = cx.qpath_res(path, expr.hir_id) => (id, expr.span), . ExprKind::MethodCall(name, ..) if let Some(id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) => { -- line 99 ---------------------------------------- -- line 105 ---------------------------------------- . span_lint_and_then( . cx, . DISALLOWED_METHODS, . span, . format!("use of a disallowed method `{path}`"), . disallowed_path.diag_amendment(span), . ); . } 312,270 ( 0.01%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs -------------------------------------------------------------------------------- Ir -- line 47 ---------------------------------------- . /// Any decimal or hexadecimal digit depending on the location. . Num, . /// An attribute. . Attr(Symbol), . } . . /// Checks if the start and the end of the span's text matches the patterns. This will return false . /// if the span crosses multiple files or if source is not available. 16,510 ( 0.00%) fn span_matches_pat(sess: &Session, span: Span, start_pat: Pat, end_pat: Pat) -> bool { 8,255 ( 0.00%) let pos = sess.source_map().lookup_byte_offset(span.lo()); 237,534 ( 0.00%) => ???:::lookup_byte_offset (1,651x) 3,302 ( 0.00%) let Some(ref src) = pos.sf.src else { . return false; . }; . let end = span.hi() - pos.sf.start_pos; 13,208 ( 0.00%) src.get(pos.pos.0 as usize..end.0 as usize).is_some_and(|s| { . // Spans can be wrapped in a mixture or parenthesis, whitespace, and trailing commas. 1,651 ( 0.00%) let start_str = s.trim_start_matches(|c: char| c.is_whitespace() || c == '('); . let end_str = s.trim_end_matches(|c: char| c.is_whitespace() || c == ')' || c == ','); 21,463 ( 0.00%) (match start_pat { . Pat::Str(text) => start_str.starts_with(text), . Pat::MultiStr(texts) => texts.iter().any(|s| start_str.starts_with(s)), . Pat::OwnedMultiStr(texts) => texts.iter().any(|s| start_str.starts_with(s)), . Pat::Sym(sym) => start_str.starts_with(sym.as_str()), . Pat::Num => start_str.as_bytes().first().is_some_and(u8::is_ascii_digit), . Pat::Attr(sym) => { . let start_str = start_str . .strip_prefix("#[") . .or_else(|| start_str.strip_prefix("#![")) . .unwrap_or(start_str); . start_str.trim_start().starts_with(sym.as_str()) . }, 13,208 ( 0.00%) } && match end_pat { . Pat::Str(text) => end_str.ends_with(text), . Pat::MultiStr(texts) => texts.iter().any(|s| end_str.ends_with(s)), . Pat::OwnedMultiStr(texts) => texts.iter().any(|s| end_str.ends_with(s)), 557 ( 0.00%) Pat::Sym(sym) => end_str.ends_with(sym.as_str()), . Pat::Num => end_str.as_bytes().last().is_some_and(u8::is_ascii_hexdigit), . Pat::Attr(_) => false, . }) 4,953 ( 0.00%) }) 14,859 ( 0.00%) } . . /// Get the search patterns to use for the given literal . fn lit_search_pat(lit: &LitKind) -> (Pat, Pat) { . match lit { . LitKind::Str(_, StrStyle::Cooked) => (Pat::Str("\""), Pat::Str("\"")), . LitKind::Str(_, StrStyle::Raw(0)) => (Pat::Str("r"), Pat::Str("\"")), . LitKind::Str(_, StrStyle::Raw(_)) => (Pat::Str("r#"), Pat::Str("#")), . LitKind::ByteStr(_, StrStyle::Cooked) => (Pat::Str("b\""), Pat::Str("\"")), -- line 95 ---------------------------------------- -- line 103 ---------------------------------------- . LitKind::Float(..) => (Pat::Num, Pat::Str("")), . LitKind::Bool(true) => (Pat::Str("true"), Pat::Str("true")), . LitKind::Bool(false) => (Pat::Str("false"), Pat::Str("false")), . _ => (Pat::Str(""), Pat::Str("")), . } . } . . /// Get the search patterns to use for the given path 657 ( 0.00%) fn qpath_search_pat(path: &QPath<'_>) -> (Pat, Pat) { 1,314 ( 0.00%) match path { . QPath::Resolved(ty, path) => { 656 ( 0.00%) let start = if ty.is_some() { . Pat::Str("<") . } else { 656 ( 0.00%) path.segments.first().map_or(Pat::Str(""), |seg| { 1,312 ( 0.00%) if seg.ident.name == kw::PathRoot { . Pat::Str("::") . } else { . Pat::Sym(seg.ident.name) . } . }) . }; . let end = path.segments.last().map_or(Pat::Str(""), |seg| { 656 ( 0.00%) if seg.args.is_some() { . Pat::Str(">") . } else { . Pat::Sym(seg.ident.name) . } . }); 3,936 ( 0.00%) (start, end) . }, 8 ( 0.00%) QPath::TypeRelative(_, name) => (Pat::Str(""), Pat::Sym(name.ident.name)), . } 657 ( 0.00%) } . . fn path_search_pat(path: &Path<'_>) -> (Pat, Pat) { . let (head, tail) = match path.segments { . [] => return (Pat::Str(""), Pat::Str("")), . [p] => (Pat::Sym(p.ident.name), p), . // QPath::Resolved can have a path that looks like `::baz` where . // the path (`Bar::baz`) has it's span covering the whole QPath. . [.., tail] => (Pat::Str(""), tail), -- line 144 ---------------------------------------- -- line 150 ---------------------------------------- . } else { . Pat::Sym(tail.ident.name) . }, . ) . } . . /// Get the search patterns to use for the given expression . fn expr_search_pat(tcx: TyCtxt<'_>, e: &Expr<'_>) -> (Pat, Pat) { 32,346 ( 0.00%) fn expr_search_pat_inner(tcx: TyCtxt<'_>, e: &Expr<'_>, outer_span: Span) -> (Pat, Pat) { . // The expression can have subexpressions in different contexts, in which case . // building up a search pattern from the macro expansion would lead to false positives; . // e.g. `return format!(..)` would be considered to be from a proc macro . // if we build up a pattern for the macro expansion and compare it to the invocation `format!()`. . // So instead we return an empty pattern such that `span_matches_pat` always returns true. 7,188 ( 0.00%) if !e.span.eq_ctxt(outer_span) { . return (Pat::Str(""), Pat::Str("")); . } . 10,779 ( 0.00%) match e.kind { 6 ( 0.00%) ExprKind::ConstBlock(_) => (Pat::Str("const"), Pat::Str("}")), . // Parenthesis are trimmed from the text before the search patterns are matched. . // See: `span_matches_pat` . ExprKind::Tup([]) => (Pat::Str(")"), Pat::Str("(")), 1,242 ( 0.00%) ExprKind::Unary(UnOp::Deref, e) => (Pat::Str("*"), expr_search_pat_inner(tcx, e, outer_span).1), 2,942 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner'2 (18x) 8 ( 0.00%) ExprKind::Unary(UnOp::Not, e) => (Pat::Str("!"), expr_search_pat_inner(tcx, e, outer_span).1), 241 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner'2 (1x) . ExprKind::Unary(UnOp::Neg, e) => (Pat::Str("-"), expr_search_pat_inner(tcx, e, outer_span).1), . ExprKind::Lit(lit) => lit_search_pat(&lit.node), 24 ( 0.00%) ExprKind::Array(_) | ExprKind::Repeat(..) => (Pat::Str("["), Pat::Str("]")), 294 ( 0.00%) ExprKind::Call(e, []) | ExprKind::MethodCall(_, e, [], _) => { 408 ( 0.00%) (expr_search_pat_inner(tcx, e, outer_span).0, Pat::Str("(")) 1,741 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner'2 (20x) . }, 12 ( 0.00%) ExprKind::Call(first, [.., last]) 21 ( 0.00%) | ExprKind::MethodCall(_, first, [.., last], _) . | ExprKind::Binary(_, first, last) . | ExprKind::Tup([first, .., last]) . | ExprKind::Assign(first, last, _) 52 ( 0.00%) | ExprKind::AssignOp(_, first, last) => ( 39 ( 0.00%) expr_search_pat_inner(tcx, first, outer_span).0, 166 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner'2 (2x) 104 ( 0.00%) expr_search_pat_inner(tcx, last, outer_span).1, 547 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner'2 (2x) . ), . ExprKind::Tup([e]) | ExprKind::DropTemps(e) => expr_search_pat_inner(tcx, e, outer_span), . ExprKind::Cast(e, _) | ExprKind::Type(e, _) => (expr_search_pat_inner(tcx, e, outer_span).0, Pat::Str("")), . ExprKind::Let(let_expr) => (Pat::Str("let"), expr_search_pat_inner(tcx, let_expr.init, outer_span).1), . ExprKind::If(..) => (Pat::Str("if"), Pat::Str("}")), . ExprKind::Loop(_, Some(_), _, _) | ExprKind::Block(_, Some(_)) => (Pat::Str("'"), Pat::Str("}")), . ExprKind::Loop(_, None, LoopSource::Loop, _) => (Pat::Str("loop"), Pat::Str("}")), . ExprKind::Loop(_, None, LoopSource::While, _) => (Pat::Str("while"), Pat::Str("}")), . ExprKind::Loop(_, None, LoopSource::ForLoop, _) | ExprKind::Match(_, _, MatchSource::ForLoopDesugar) => { . (Pat::Str("for"), Pat::Str("}")) . }, 4 ( 0.00%) ExprKind::Match(_, _, MatchSource::Normal) => (Pat::Str("match"), Pat::Str("}")), . ExprKind::Match(e, _, MatchSource::TryDesugar(_)) => { . (expr_search_pat_inner(tcx, e, outer_span).0, Pat::Str("?")) . }, . ExprKind::Match(e, _, MatchSource::AwaitDesugar) | ExprKind::Yield(e, YieldSource::Await { .. }) => { . (expr_search_pat_inner(tcx, e, outer_span).0, Pat::Str("await")) . }, 21 ( 0.00%) ExprKind::Closure(&Closure { body, .. }) => ( 28 ( 0.00%) Pat::Str(""), 63 ( 0.00%) expr_search_pat_inner(tcx, tcx.hir_body(body).value, outer_span).1, 1,140 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner'2 (7x) 539 ( 0.00%) => ???:::hir_body (7x) . ), . ExprKind::Block( . Block { . rules: BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided), . .. . }, . None, . ) => (Pat::Str("unsafe"), Pat::Str("}")), 4 ( 0.00%) ExprKind::Block(_, None) => (Pat::Str("{"), Pat::Str("}")), 5,486 ( 0.00%) ExprKind::Field(e, name) => (expr_search_pat_inner(tcx, e, outer_span).0, Pat::Sym(name.name)), 830 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner'2 (10x) 530 ( 0.00%) ExprKind::Index(e, _, _) => (expr_search_pat_inner(tcx, e, outer_span).0, Pat::Str("]")), 3,710 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner'2 (28x) 7,205 ( 0.00%) ExprKind::Path(ref path) => qpath_search_pat(path), 1,202 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::qpath_search_pat (36x) 4,432 ( 0.00%) ExprKind::AddrOf(_, _, e) => (Pat::Str("&"), expr_search_pat_inner(tcx, e, outer_span).1), 81,327 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner'2 (550x) . ExprKind::Break(Destination { label: None, .. }, None) => (Pat::Str("break"), Pat::Str("break")), . ExprKind::Break(Destination { label: Some(name), .. }, None) => { . (Pat::Str("break"), Pat::Sym(name.ident.name)) . }, . ExprKind::Break(_, Some(e)) => (Pat::Str("break"), expr_search_pat_inner(tcx, e, outer_span).1), . ExprKind::Continue(Destination { label: None, .. }) => (Pat::Str("continue"), Pat::Str("continue")), . ExprKind::Continue(Destination { label: Some(name), .. }) => { . (Pat::Str("continue"), Pat::Sym(name.ident.name)) . }, . ExprKind::Ret(None) => (Pat::Str("return"), Pat::Str("return")), . ExprKind::Ret(Some(e)) => (Pat::Str("return"), expr_search_pat_inner(tcx, e, outer_span).1), 20 ( 0.00%) ExprKind::Struct(path, _, _) => (qpath_search_pat(path).0, Pat::Str("}")), 68 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::qpath_search_pat (2x) . ExprKind::Yield(e, YieldSource::Yield) => (Pat::Str("yield"), expr_search_pat_inner(tcx, e, outer_span).1), . _ => (Pat::Str(""), Pat::Str("")), . } 9,136 ( 0.00%) } . 1,992 ( 0.00%) expr_search_pat_inner(tcx, e, e.span) 144,401 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::expr_search_pat::expr_search_pat_inner (664x) . } . . fn fn_header_search_pat(header: FnHeader) -> Pat { 752 ( 0.00%) if header.is_async() { . Pat::Str("async") 1,504 ( 0.00%) } else if matches!(header.constness, rustc_hir::Constness::Const { always: false }) { . Pat::Str("const") . } else if header.is_unsafe() { . Pat::Str("unsafe") 2,256 ( 0.00%) } else if header.abi != ExternAbi::Rust { . Pat::Str("extern") . } else { . Pat::MultiStr(&["fn", "extern"]) . } . } . . fn item_search_pat(item: &Item<'_>) -> (Pat, Pat) { 3,763 ( 0.00%) let (start_pat, end_pat) = match &item.kind { . ItemKind::ExternCrate(..) => (Pat::Str("extern"), Pat::Str(";")), . ItemKind::Static(..) => (Pat::Str("static"), Pat::Str(";")), . ItemKind::Const(..) => (Pat::Str("const"), Pat::Str(";")), 846 ( 0.00%) ItemKind::Fn { sig, .. } => (fn_header_search_pat(sig.header), Pat::Str("")), . ItemKind::ForeignMod { .. } => (Pat::Str("extern"), Pat::Str("}")), . ItemKind::TyAlias(..) => (Pat::Str("type"), Pat::Str(";")), . ItemKind::Enum(..) => (Pat::Str("enum"), Pat::Str("}")), . ItemKind::Struct(_, _, VariantData::Struct { .. }) => (Pat::Str("struct"), Pat::Str("}")), . ItemKind::Struct(..) => (Pat::Str("struct"), Pat::Str(";")), . ItemKind::Union(..) => (Pat::Str("union"), Pat::Str("}")), . ItemKind::Trait { . safety: Safety::Unsafe, .. -- line 270 ---------------------------------------- -- line 284 ---------------------------------------- . ItemKind::Macro(_, def, _) => ( . Pat::Str(if def.macro_rules { "macro_rules" } else { "macro" }), . Pat::Str(""), . ), . ItemKind::TraitAlias(..) => (Pat::Str("trait"), Pat::Str(";")), . ItemKind::GlobalAsm { .. } => return (Pat::Str("global_asm"), Pat::Str("")), . ItemKind::Use(..) => return (Pat::Str(""), Pat::Str("")), . }; 652 ( 0.00%) if item.vis_span.is_empty() { 2,610 ( 0.00%) (start_pat, end_pat) . } else { 288 ( 0.00%) (Pat::Str("pub"), end_pat) . } . } . . fn trait_item_search_pat(item: &TraitItem<'_>) -> (Pat, Pat) { . match &item.kind { . TraitItemKind::Const(..) => (Pat::Str("const"), Pat::Str(";")), . TraitItemKind::Type(..) => (Pat::Str("type"), Pat::Str(";")), . TraitItemKind::Fn(sig, ..) => (fn_header_search_pat(sig.header), Pat::Str("")), . } . } . . fn impl_item_search_pat(item: &ImplItem<'_>) -> (Pat, Pat) { 3,638 ( 0.00%) let (mut start_pat, end_pat) = match &item.kind { . ImplItemKind::Const(..) => (Pat::Str("const"), Pat::Str(";")), . ImplItemKind::Type(..) => (Pat::Str("type"), Pat::Str(";")), 428 ( 0.00%) ImplItemKind::Fn(sig, ..) => (fn_header_search_pat(sig.header), Pat::Str("")), . }; 642 ( 0.00%) if let ImplItemImplKind::Inherent { vis_span, .. } = item.impl_kind 214 ( 0.00%) && !vis_span.is_empty() . { 524 ( 0.00%) start_pat = Pat::Str("pub"); . } 2,568 ( 0.00%) (start_pat, end_pat) . } . . fn field_def_search_pat(def: &FieldDef<'_>) -> (Pat, Pat) { . if def.vis_span.is_empty() { . if def.is_positional() { . (Pat::Str(""), Pat::Str("")) . } else { . (Pat::Sym(def.ident.name), Pat::Str("")) -- line 326 ---------------------------------------- -- line 333 ---------------------------------------- . fn variant_search_pat(v: &Variant<'_>) -> (Pat, Pat) { . match v.data { . VariantData::Struct { .. } => (Pat::Sym(v.ident.name), Pat::Str("}")), . VariantData::Tuple(..) => (Pat::Sym(v.ident.name), Pat::Str("")), . VariantData::Unit(..) => (Pat::Sym(v.ident.name), Pat::Sym(v.ident.name)), . } . } . 2,304 ( 0.00%) fn fn_kind_pat(tcx: TyCtxt<'_>, kind: &FnKind<'_>, body: &Body<'_>, hir_id: HirId) -> (Pat, Pat) { 2,788 ( 0.00%) let (mut start_pat, end_pat) = match kind { 142 ( 0.00%) FnKind::ItemFn(.., header) => (fn_header_search_pat(*header), Pat::Str("")), 228 ( 0.00%) FnKind::Method(.., sig) => (fn_header_search_pat(sig.header), Pat::Str("")), . FnKind::Closure => return (Pat::Str(""), expr_search_pat(tcx, body.value).1), . }; 2,446 ( 0.00%) match tcx.hir_node(hir_id) { 13,312 ( 0.00%) => ???:::hir_node (256x) 426 ( 0.00%) Node::Item(Item { vis_span, .. }) . | Node::ImplItem(ImplItem { 114 ( 0.00%) impl_kind: ImplItemImplKind::Inherent { vis_span, .. }, . .. . }) => { 682 ( 0.00%) if !vis_span.is_empty() { . start_pat = Pat::Str("pub"); . } . }, . Node::ImplItem(_) | Node::TraitItem(_) => {}, . _ => start_pat = Pat::Str(""), . } 2,560 ( 0.00%) (start_pat, end_pat) 2,304 ( 0.00%) } . . fn attr_search_pat(attr: &Attribute) -> (Pat, Pat) { . match attr.kind { . AttrKind::Normal(..) => { . if let Some(name) = attr.name() { . // NOTE: This will likely have false positives, like `allow = 1` . (Pat::Attr(name), Pat::Str("")) . } else { -- line 369 ---------------------------------------- -- line 689 ---------------------------------------- . type Context: LintContext; . fn search_pat(&self, cx: &Self::Context) -> (Pat, Pat); . fn span(&self) -> Span; . } . macro_rules! impl_with_search_pat { . (($cx_ident:ident: $cx_ty:ident<$cx_lt:lifetime>, $self:tt: $ty:ty) => $fn:ident($($args:tt)*)) => { . impl<$cx_lt> WithSearchPat<$cx_lt> for $ty { . type Context = $cx_ty<$cx_lt>; 5,018 ( 0.00%) fn search_pat(&$self, $cx_ident: &Self::Context) -> (Pat, Pat) { . $fn($($args)*) 5,772 ( 0.00%) } . fn span(&self) -> Span { . self.span . } . } . }; . } 664 ( 0.00%) impl_with_search_pat!((cx: LateContext<'tcx>, self: Expr<'tcx>) => expr_search_pat(cx.tcx, self)); . impl_with_search_pat!((_cx: LateContext<'tcx>, self: Item<'_>) => item_search_pat(self)); . impl_with_search_pat!((_cx: LateContext<'tcx>, self: TraitItem<'_>) => trait_item_search_pat(self)); . impl_with_search_pat!((_cx: LateContext<'tcx>, self: ImplItem<'_>) => impl_item_search_pat(self)); . impl_with_search_pat!((_cx: LateContext<'tcx>, self: FieldDef<'_>) => field_def_search_pat(self)); . impl_with_search_pat!((_cx: LateContext<'tcx>, self: Variant<'_>) => variant_search_pat(self)); . impl_with_search_pat!((_cx: LateContext<'tcx>, self: Ty<'_>) => ty_search_pat(self)); . impl_with_search_pat!((_cx: LateContext<'tcx>, self: Ident) => ident_search_pat(*self)); . impl_with_search_pat!((_cx: LateContext<'tcx>, self: Lit) => lit_search_pat(&self.node)); -- line 714 ---------------------------------------- -- line 718 ---------------------------------------- . . impl_with_search_pat!((_cx: EarlyContext<'tcx>, self: Attribute) => attr_search_pat(self)); . impl_with_search_pat!((_cx: EarlyContext<'tcx>, self: ast::Ty) => ast_ty_search_pat(self)); . . impl<'cx> WithSearchPat<'cx> for (&FnKind<'cx>, &Body<'cx>, HirId, Span) { . type Context = LateContext<'cx>; . . fn search_pat(&self, cx: &Self::Context) -> (Pat, Pat) { 1,792 ( 0.00%) fn_kind_pat(cx.tcx, self.0, self.1, self.2) 47,960 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::fn_kind_pat (256x) . } . . fn span(&self) -> Span { . self.3 . } . } . . /// Checks if the item likely came from a proc-macro. . /// . /// This should be called after `in_external_macro` and the initial pattern matching of the ast as . /// it is significantly slower than both of those. 12 ( 0.00%) pub fn is_from_proc_macro<'cx, T: WithSearchPat<'cx>>(cx: &T::Context, item: &T) -> bool { 4,418 ( 0.00%) let (start_pat, end_pat) = item.search_pat(cx); 401 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:::search_pat (1x) 17,852 ( 0.00%) !span_matches_pat(cx.sess(), item.span(), start_pat, end_pat) 421 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::span_matches_pat (1x) 8 ( 0.00%) } . . /// Checks if the span actually refers to a match expression . pub fn is_span_match(cx: &impl LintContext, span: Span) -> bool { 2,210 ( 0.00%) span_matches_pat(cx.sess(), span, Pat::Str("match"), Pat::Str("}")) 60,946 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::span_matches_pat (170x) . } . . /// Checks if the span actually refers to an if expression . pub fn is_span_if(cx: &impl LintContext, span: Span) -> bool { 315 ( 0.00%) span_matches_pat(cx.sess(), span, Pat::Str("if"), Pat::Str("}")) 7,296 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::span_matches_pat (21x) . } 30,220 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_ignore_case_cmp.rs -------------------------------------------------------------------------------- Ir -- line 41 ---------------------------------------- . . declare_lint_pass!(ManualIgnoreCaseCmp => [MANUAL_IGNORE_CASE_CMP]); . . enum MatchType<'a> { . ToAscii(bool, Ty<'a>), . Literal(LitKind), . } . 688 ( 0.00%) fn get_ascii_type<'a>(cx: &LateContext<'a>, kind: rustc_hir::ExprKind<'_>) -> Option<(Span, MatchType<'a>)> { 466 ( 0.00%) if let MethodCall(path, expr, _, _) = kind { 18 ( 0.00%) let is_lower = match path.ident.name { 72 ( 0.00%) sym::to_ascii_lowercase => true, . sym::to_ascii_uppercase => false, . _ => return None, . }; . let ty_raw = cx.typeck_results().expr_ty(expr); . let ty = ty_raw.peel_refs(); . if needs_ref_to_cmp(cx, ty) . || ty.is_str() . || ty.is_slice() -- line 60 ---------------------------------------- -- line 61 ---------------------------------------- . || matches!(ty.opt_diag_name(cx), Some(sym::OsStr | sym::OsString)) . { . return Some((expr.span, ToAscii(is_lower, ty_raw))); . } . } else if let Lit(expr) = kind { . return Some((expr.span, Literal(expr.node))); . } . None 688 ( 0.00%) } . . /// Returns true if the type needs to be dereferenced to be compared . fn needs_ref_to_cmp(cx: &LateContext<'_>, ty: Ty<'_>) -> bool { . ty.is_char() . || *ty.kind() == ty::Uint(UintTy::U8) . || ty.is_diag_item(cx, sym::Vec) . || ty.is_lang_item(cx, LangItem::String) . } . . impl LateLintPass<'_> for ManualIgnoreCaseCmp { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &'_ Expr<'_>) { . // check if expression represents a comparison of two strings . // using .to_ascii_lowercase() or .to_ascii_uppercase() methods, . // or one of the sides is a literal . // Offer to replace it with .eq_ignore_ascii_case() method 104,090 ( 0.00%) if let Binary(op, left, right) = &expr.kind 576 ( 0.00%) && (op.node == BinOpKind::Eq || op.node == BinOpKind::Ne) 1,462 ( 0.00%) && let Some((left_span, left_val)) = get_ascii_type(cx, left.kind) 2,140 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_ignore_case_cmp.rs:clippy_lints::manual_ignore_case_cmp::get_ascii_type (86x) . && let Some((right_span, right_val)) = get_ascii_type(cx, right.kind) . && match (&left_val, &right_val) { . (ToAscii(l_lower, ..), ToAscii(r_lower, ..)) if l_lower == r_lower => true, . (ToAscii(..), Literal(..)) | (Literal(..), ToAscii(..)) => true, . _ => false, . } . { . let deref = match right_val { -- line 95 ---------------------------------------- -- line 117 ---------------------------------------- . expr.span, . "consider using `.eq_ignore_ascii_case()` instead", . format!("{neg}{left_snip}.eq_ignore_ascii_case({deref}{right_snip})"), . app, . ); . }, . ); . } 416,360 ( 0.01%) } . } 540 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/string.rs -------------------------------------------------------------------------------- Ir -- line 439 ---------------------------------------- . /// let s = String::new(); . /// ``` . #[inline] . #[rustc_const_stable(feature = "const_string_new", since = "1.39.0")] . #[rustc_diagnostic_item = "string_new"] . #[stable(feature = "rust1", since = "1.0.0")] . #[must_use] . pub const fn new() -> String { 5,990 ( 0.00%) String { vec: Vec::new() } . } . . /// Creates a new empty `String` with at least the specified capacity. . /// . /// `String`s have an internal buffer to hold their data. The capacity is . /// the length of that buffer, and can be queried with the [`capacity`] . /// method. This method creates an empty `String`, but one with an initial . /// buffer that can hold at least `capacity` bytes. This is useful when you -- line 455 ---------------------------------------- -- line 486 ---------------------------------------- . /// // ...but this may make the string reallocate . /// s.push('a'); . /// ``` . #[cfg(not(no_global_oom_handling))] . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[must_use] . pub fn with_capacity(capacity: usize) -> String { 201,561 ( 0.00%) String { vec: Vec::with_capacity(capacity) } . } . . /// Creates a new empty `String` with at least the specified capacity. . /// . /// # Errors . /// . /// Returns [`Err`] if the capacity exceeds `isize::MAX` bytes, . /// or if the memory allocator reports failure. -- line 502 ---------------------------------------- -- line 1009 ---------------------------------------- . /// }; . /// . /// assert_eq!("💖", sparkle_heart); . /// ``` . #[inline] . #[must_use] . #[stable(feature = "rust1", since = "1.0.0")] . pub unsafe fn from_utf8_unchecked(bytes: Vec) -> String { 1,148 ( 0.00%) String { vec: bytes } . } . . /// Converts a `String` into a byte vector. . /// . /// This consumes the `String`, so we do not need to copy its contents. . /// . /// # Examples . /// -- line 1025 ---------------------------------------- -- line 1432 ---------------------------------------- . pub fn push(&mut self, ch: char) { . let len = self.len(); . let ch_len = ch.len_utf8(); . self.reserve(ch_len); . . // SAFETY: Just reserved capacity for at least the length needed to encode `ch`. . unsafe { . core::char::encode_utf8_raw_unchecked(ch as u32, self.vec.as_mut_ptr().add(len)); 3,190 ( 0.00%) self.vec.set_len(len + ch_len); . } . } . . /// Returns a byte slice of this `String`'s contents. . /// . /// The inverse of this method is [`from_utf8`]. . /// . /// [`from_utf8`]: String::from_utf8 -- line 1448 ---------------------------------------- -- line 1507 ---------------------------------------- . /// assert_eq!(s.pop(), Some('a')); . /// . /// assert_eq!(s.pop(), None); . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . pub fn pop(&mut self) -> Option { . let ch = self.chars().rev().next()?; 86 ( 0.00%) let newlen = self.len() - ch.len_utf8(); . unsafe { . self.vec.set_len(newlen); . } . Some(ch) . } . . /// Removes a [`char`] from this `String` at byte position `idx` and returns it. . /// -- line 1523 ---------------------------------------- -- line 1889 ---------------------------------------- . /// assert!(!v.is_empty()); . /// ``` . #[inline] . #[must_use] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_vec_string_slice", since = "1.87.0")] . #[rustc_no_implicit_autorefs] . pub const fn is_empty(&self) -> bool { 2 ( 0.00%) self.len() == 0 . } . . /// Splits the string into two at the given byte index. . /// . /// Returns a newly allocated `String`. `self` contains bytes `[0, at)`, and . /// the returned `String` contains bytes `[at, len)`. `at` must be on the . /// boundary of a UTF-8 code point. . /// -- line 1905 ---------------------------------------- -- line 2501 ---------------------------------------- . . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . impl Extend for String { . fn extend>(&mut self, iter: I) { . let iterator = iter.into_iter(); . let (lower_bound, _) = iterator.size_hint(); . self.reserve(lower_bound); 1,064 ( 0.00%) iterator.for_each(move |c| self.push(c)); . } . . #[inline] . fn extend_one(&mut self, c: char) { . self.push(c); . } . . #[inline] -- line 2517 ---------------------------------------- -- line 2740 ---------------------------------------- . fn default() -> String { . String::new() . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl fmt::Display for String { . #[inline] 85 ( 0.00%) fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { 170 ( 0.00%) fmt::Display::fmt(&**self, f) 19,967 ( 0.00%) => ???:::fmt (85x) . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl fmt::Debug for String { . #[inline] . fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { . fmt::Debug::fmt(&**self, f) -- line 2757 ---------------------------------------- -- line 2806 ---------------------------------------- . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . impl Add<&str> for String { . type Output = String; . . #[inline] . fn add(mut self, other: &str) -> String { . self.push_str(other); 51 ( 0.00%) self . } . } . . /// Implements the `+=` operator for appending to a `String`. . /// . /// This has the same behavior as the [`push_str`][String::push_str] method. . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "stringaddassign", since = "1.12.0")] -- line 2822 ---------------------------------------- -- line 2923 ---------------------------------------- . /// if the `Display` implementation returns an error. . /// This indicates an incorrect `Display` implementation . /// since `fmt::Write for String` never returns an error itself. . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . impl ToString for T { . #[inline] . fn to_string(&self) -> String { 116 ( 0.00%) ::spec_to_string(self) 7,112 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/string.rs:::spec_to_string (29x) . } . } . . #[cfg(not(no_global_oom_handling))] . trait SpecToString { . fn spec_to_string(&self) -> String; . } . . #[cfg(not(no_global_oom_handling))] . impl SpecToString for T { . // A common guideline is to not inline generic functions. However, . // removing `#[inline]` from this method causes non-negligible regressions. . // See , the last attempt . // to try to remove it. . #[inline] 116 ( 0.00%) default fn spec_to_string(&self) -> String { . let mut buf = String::new(); . let mut formatter = . core::fmt::Formatter::new(&mut buf, core::fmt::FormattingOptions::new()); . // Bypass format_args!() to avoid write_str with zero-length strs 4,612 ( 0.00%) fmt::Display::fmt(self, &mut formatter) 195,796 ( 0.00%) => ???:::fmt (685x) . .expect("a Display implementation returned an error unexpectedly"); 5,503 ( 0.00%) buf 87 ( 0.00%) } . } . . #[cfg(not(no_global_oom_handling))] . impl SpecToString for core::ascii::Char { . #[inline] . fn spec_to_string(&self) -> String { . self.as_str().to_owned() . } . } . . #[cfg(not(no_global_oom_handling))] . impl SpecToString for char { . #[inline] . fn spec_to_string(&self) -> String { 14 ( 0.00%) String::from(self.encode_utf8(&mut [0; char::MAX_LEN_UTF8])) . } . } . . #[cfg(not(no_global_oom_handling))] . impl SpecToString for bool { . #[inline] . fn spec_to_string(&self) -> String { . String::from(if *self { "true" } else { "false" }) -- line 2978 ---------------------------------------- -- line 3274 ---------------------------------------- . /// let s = "eggplant".to_string(); . /// let s2 = "eggplant".to_string(); . /// assert_eq!(Cow::from(s), Cow::<'static, str>::Owned(s2)); . /// ``` . /// . /// [`Owned`]: crate::borrow::Cow::Owned "borrow::Cow::Owned" . #[inline] . fn from(s: String) -> Cow<'a, str> { 539 ( 0.00%) Cow::Owned(s) . } . } . . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "cow_from_string_ref", since = "1.28.0")] . impl<'a> From<&'a String> for Cow<'a, str> { . /// Converts a [`String`] reference into a [`Borrowed`] variant. . /// No heap allocation is performed, and the string -- line 3290 ---------------------------------------- -- line 3373 ---------------------------------------- . Self::from_utf8(bytes) . } . } . . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . impl fmt::Write for String { . #[inline] 11,137 ( 0.00%) fn write_str(&mut self, s: &str) -> fmt::Result { . self.push_str(s); . Ok(()) 11,137 ( 0.00%) } . . #[inline] . fn write_char(&mut self, c: char) -> fmt::Result { . self.push(c); . Ok(()) . } . } . -- line 3392 ---------------------------------------- 230 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unneeded_struct_pattern.rs -------------------------------------------------------------------------------- Ir -- line 36 ---------------------------------------- . pub UNNEEDED_STRUCT_PATTERN, . style, . "using struct pattern to match against unit variant" . } . . declare_lint_pass!(UnneededStructPattern => [UNNEEDED_STRUCT_PATTERN]); . . impl LateLintPass<'_> for UnneededStructPattern { 37,058 ( 0.00%) fn check_pat(&mut self, cx: &LateContext<'_>, pat: &Pat<'_>) { 10,588 ( 0.00%) if !pat.span.from_expansion() 9,368 ( 0.00%) && let PatKind::Struct(path, [], _) = &pat.kind . && let QPath::Resolved(_, path) = path 35 ( 0.00%) && let Res::Def(DefKind::Variant, did) = path.res . { 15 ( 0.00%) let enum_did = cx.tcx.parent(did); 15 ( 0.00%) let variant = cx.tcx.adt_def(enum_did).variant_with_id(did); 80 ( 0.00%) => ???:::variant_with_id (5x) . 5 ( 0.00%) let has_only_fields_brackets = variant.ctor.is_some() && variant.fields.is_empty(); . let non_exhaustive_activated = variant.field_list_has_applicable_non_exhaustive(); . if !has_only_fields_brackets || non_exhaustive_activated { . return; . } . . if is_from_proc_macro(cx, *path) { . return; . } -- line 61 ---------------------------------------- -- line 67 ---------------------------------------- . brackets_span, . "struct pattern is not needed for a unit variant", . "remove the struct pattern", . String::new(), . Applicability::MachineApplicable, . ); . } . } 42,352 ( 0.00%) } . } 15 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/default_instead_of_iter_empty.rs -------------------------------------------------------------------------------- Ir -- line 27 ---------------------------------------- . pub DEFAULT_INSTEAD_OF_ITER_EMPTY, . style, . "check `std::iter::Empty::default()` and replace with `std::iter::empty()`" . } . . declare_lint_pass!(DefaultIterEmpty => [DEFAULT_INSTEAD_OF_ITER_EMPTY]); . . impl<'tcx> LateLintPass<'tcx> for DefaultIterEmpty { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 123,048 ( 0.00%) if let ExprKind::Call(iter_expr, []) = &expr.kind 5,265 ( 0.00%) && let ExprKind::Path(QPath::TypeRelative(ty, _)) = &iter_expr.kind 3,147 ( 0.00%) && let TyKind::Path(ty_path) = &ty.kind 4,196 ( 0.00%) && let QPath::Resolved(None, path) = ty_path 3,147 ( 0.00%) && let def::Res::Def(_, def_id) = &path.res 10,490 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::IterEmpty, *def_id) 47,312 ( 0.00%) => ???:::is_diagnostic_item (1,049x) . && let ctxt = expr.span.ctxt() . && ty.span.ctxt() == ctxt . { . let mut applicability = Applicability::MachineApplicable; . let Some(path) = std_or_core(cx) else { return }; . let path = format!("{path}::iter::empty"); . let sugg = make_sugg(cx, ty_path, ctxt, &mut applicability, &path); . span_lint_and_sugg( -- line 49 ---------------------------------------- -- line 51 ---------------------------------------- . DEFAULT_INSTEAD_OF_ITER_EMPTY, . expr.span, . format!("`{path}()` is the more idiomatic way"), . "try", . sugg, . applicability, . ); . } 416,360 ( 0.01%) } . } . . fn make_sugg( . cx: &LateContext<'_>, . ty_path: &QPath<'_>, . ctxt: SyntaxContext, . applicability: &mut Applicability, . path: &str, -- line 67 ---------------------------------------- 1,049 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/eta_reduction.rs -------------------------------------------------------------------------------- Ir -- line 67 ---------------------------------------- . . declare_lint_pass!(EtaReduction => [ . REDUNDANT_CLOSURE, . REDUNDANT_CLOSURE_FOR_METHOD_CALLS, . ]); . . impl<'tcx> LateLintPass<'tcx> for EtaReduction { . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { 190,816 ( 0.00%) if let ExprKind::MethodCall(_method, receiver, args, _) = expr.kind { . for arg in args { 2,037 ( 0.00%) check_closure(cx, Some(receiver), arg); 75,370 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/eta_reduction.rs:clippy_lints::eta_reduction::check_closure (679x) . } . } 28,437 ( 0.00%) if let ExprKind::Call(func, args) = expr.kind { 28,437 ( 0.00%) check_closure(cx, None, func); 170,622 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/eta_reduction.rs:clippy_lints::eta_reduction::check_closure (9,479x) . for arg in args { 42,849 ( 0.00%) check_closure(cx, None, arg); 257,094 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/eta_reduction.rs:clippy_lints::eta_reduction::check_closure (14,283x) . } . } . } . } . . #[expect(clippy::too_many_lines)] 195,528 ( 0.00%) fn check_closure<'tcx>(cx: &LateContext<'tcx>, outer_receiver: Option<&Expr<'tcx>>, expr: &Expr<'tcx>) { 49,015 ( 0.00%) let body = if let ExprKind::Closure(c) = expr.kind 401 ( 0.00%) && c.fn_decl.inputs.iter().all(|ty| matches!(ty.kind, TyKind::Infer(()))) 262 ( 0.00%) && matches!(c.fn_decl.output, FnRetTy::DefaultReturn(_)) 262 ( 0.00%) && !expr.span.from_expansion() . { 786 ( 0.00%) cx.tcx.hir_body(c.body) 10,186 ( 0.00%) => ???:::hir_body (131x) . } else { . return; . }; . 393 ( 0.00%) if body.value.span.from_expansion() { 9 ( 0.00%) if body.params.is_empty() . && let Some(VecArgs::Vec(&[])) = VecArgs::hir(cx, body.value) . { . let vec_crate = if is_no_std_crate(cx) { "alloc" } else { "std" }; . // replace `|| vec![]` with `Vec::new` . span_lint_hir_and_then( . cx, . REDUNDANT_CLOSURE, . expr.hir_id, -- line 110 ---------------------------------------- -- line 119 ---------------------------------------- . ); . }, . ); . } . // skip `foo(|| macro!())` . return; . } . 610 ( 0.00%) if is_adjusted(cx, body.value) { 5,815 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_adjusted (122x) . return; . } . . let typeck = cx.typeck_results(); 366 ( 0.00%) let closure = if let ty::Closure(_, closure_subs) = typeck.expr_ty(expr).kind() { 4,892 ( 0.00%) => ???:::expr_ty (122x) 122 ( 0.00%) closure_subs.as_closure() . } else { . return; . }; 732 ( 0.00%) let closure_sig = cx.tcx.signature_unclosure(closure.sig(), Safety::Safe).skip_binder(); 24,113 ( 0.00%) => ???:::signature_unclosure (122x) 6,100 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_type_ir/src/ty_kind/closure.rs:>::sig (122x) 696 ( 0.00%) match body.value.kind { 72 ( 0.00%) ExprKind::Call(callee, args) 18 ( 0.00%) if matches!( 9 ( 0.00%) callee.kind, . ExprKind::Path(QPath::Resolved(..) | QPath::TypeRelative(..)) . ) => . { 27 ( 0.00%) let callee_ty_raw = typeck.expr_ty(callee); 360 ( 0.00%) => ???:::expr_ty (9x) . let callee_ty = callee_ty_raw.peel_refs(); . if matches!(callee_ty.opt_diag_name(cx), Some(sym::Arc | sym::Rc)) 81 ( 0.00%) || !check_inputs(typeck, body.params, None, args) 334 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/eta_reduction.rs:clippy_lints::eta_reduction::check_inputs (9x) . { . return; . } . . let callee_ty_adjustments = typeck.expr_adjustments(callee); . let callee_ty_adjusted = callee_ty_adjustments.last().map_or(callee_ty, |a| a.target); . . let sig = match *callee_ty_adjusted.kind() { -- line 156 ---------------------------------------- -- line 257 ---------------------------------------- . snippet, . Applicability::MachineApplicable, . ); . } . }, . ); . } . }, 162 ( 0.00%) ExprKind::MethodCall(path, self_, args, _) if check_inputs(typeck, body.params, Some(self_), args) => { 856 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/eta_reduction.rs:clippy_lints::eta_reduction::check_inputs (18x) . if let Some(method_def_id) = typeck.type_dependent_def_id(body.value.hir_id) . && !find_attr!(cx.tcx, method_def_id, TrackCaller(..)) . && check_sig(closure_sig, cx.tcx.fn_sig(method_def_id).skip_binder().skip_binder()) . { . let mut app = Applicability::MachineApplicable; . let generic_args = match path.args.and_then(GenericArgs::span_ext) { . Some(span) => format!("::{}", snippet_with_applicability(cx, span, "<..>", &mut app)), . None => String::new(), -- line 273 ---------------------------------------- -- line 289 ---------------------------------------- . app, . ); . }, . ); . } . }, . _ => (), . } 195,528 ( 0.00%) } . 216 ( 0.00%) fn check_inputs( . typeck: &TypeckResults<'_>, . params: &[Param<'_>], . self_arg: Option<&Expr<'_>>, . args: &[Expr<'_>], . ) -> bool { 135 ( 0.00%) params.len() == self_arg.map_or(0, |_| 1) + args.len() . && params.iter().zip(self_arg.into_iter().chain(args)).all(|(p, arg)| { 100 ( 0.00%) matches!( 32 ( 0.00%) p.pat.kind, . PatKind::Binding(BindingMode::NONE, id, _, None) . if arg.res_local_id() == Some(id) . ) . // Only allow adjustments which change regions (i.e. re-borrowing). . && typeck . .expr_adjustments(arg) . .last() . .is_none_or(|a| a.target == typeck.expr_ty(arg)) . }) 216 ( 0.00%) } . . fn check_sig<'tcx>(closure_sig: FnSig<'tcx>, call_sig: FnSig<'tcx>) -> bool { . call_sig.safety().is_safe() && !has_late_bound_to_non_late_bound_regions(closure_sig, call_sig) . } . . /// This walks through both signatures and checks for any time a late-bound region is expected by an . /// `impl Fn` type, but the target signature does not have a late-bound region in the same position. . /// -- line 326 ---------------------------------------- 15,495 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/redundant_closure_call.rs -------------------------------------------------------------------------------- Ir -- line 88 ---------------------------------------- . &'tcx hir::Expr<'tcx>, . &'tcx hir::FnDecl<'tcx>, . ty::Asyncness, . &'tcx [Param<'tcx>], . CaptureBy, . )> { . let mut data = None; . 1,746 ( 0.00%) while let ExprKind::Closure(closure) = expr.kind . && let body = cx.tcx.hir_body(closure.body) . && !contains_early_return(body.value) . && steps > 0 . { . let mut unwrapped_body_value = body.value; . let mut asyncness = ty::Asyncness::No; . let mut capture_clause = closure.capture_clause; . -- line 104 ---------------------------------------- -- line 147 ---------------------------------------- . /// ^^ this is the call expression we were given . /// ^^ this is what we want to return (and the depth is 3) . /// ``` . fn get_parent_call_exprs<'tcx>( . cx: &LateContext<'tcx>, . mut expr: &'tcx hir::Expr<'tcx>, . ) -> (&'tcx hir::Expr<'tcx>, usize) { . let mut depth = 1; 4,365 ( 0.00%) while let Some(parent) = get_parent_expr(cx, expr) 86,427 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (873x) 913 ( 0.00%) && let ExprKind::Call(recv, _) = parent.kind . && expr.span == recv.span . { . expr = parent; . depth += 1; . } . (expr, depth) . } . . impl<'tcx> LateLintPass<'tcx> for RedundantClosureCall { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>) { 230,562 ( 0.00%) if expr.span.in_external_macro(cx.sess().source_map()) { . return; . } . 876 ( 0.00%) if let ExprKind::Call(recv, _) = expr.kind . // don't lint if the receiver is a call, too. . // we do this in order to prevent linting multiple times; consider: . // `(|| || 1)()()` . // ^^ we only want to lint for this call (but we walk up the calls to consider both calls). . // without this check, we'd end up linting twice. 1,752 ( 0.00%) && !matches!(recv.kind, ExprKind::Call(..)) . // Check if `recv` comes from a macro expansion. If it does, make sure that it's an expansion that is . // the same as the one the call is in. . // For instance, let's assume `x!()` returns a closure: . // B ---v . // x!()() . // ^- A . // The call happens in the expansion `A`, while the closure originates from the expansion `B`. . // We don't want to suggest replacing `x!()()` with `x!()`. 1,752 ( 0.00%) && recv.span.ctxt().outer_expn() == expr.span.ctxt().outer_expn() . && let (full_expr, call_depth) = get_parent_call_exprs(cx, expr) . && let Some((mut body, fn_decl, coroutine_kind, params, capture_clause)) = . find_innermost_closure(cx, recv, call_depth) . // outside macros we lint properly. Inside macros, we lint only ||() style closures. . && (!matches!(expr.span.ctxt().outer_expn_data().kind, ExpnKind::Macro(_, _)) || params.is_empty()) . { . span_lint_and_then( . cx, -- line 194 ---------------------------------------- -- line 229 ---------------------------------------- . .maybe_paren(); . } . . diag.span_suggestion(full_expr.span, "try doing something like", hint, applicability); . } . }, . ); . } 416,360 ( 0.01%) } . 17,318 ( 0.00%) fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx hir::Block<'_>) { . fn count_closure_usage<'tcx>( . cx: &LateContext<'tcx>, . block: &'tcx hir::Block<'_>, . path: &'tcx hir::Path<'tcx>, . ) -> usize { . struct ClosureUsageCount<'a, 'tcx> { . cx: &'a LateContext<'tcx>, . path: &'tcx hir::Path<'tcx>, -- line 247 ---------------------------------------- -- line 265 ---------------------------------------- . self.cx.tcx . } . } . let mut closure_usage_count = ClosureUsageCount { cx, path, count: 0 }; . closure_usage_count.visit_block(block); . closure_usage_count.count . } . 3,850 ( 0.00%) for w in block.stmts.windows(2) { 18,405 ( 0.00%) if let hir::StmtKind::Let(local) = w[0].kind 5,571 ( 0.00%) && let Some(t) = local.init 3,710 ( 0.00%) && let ExprKind::Closure { .. } = t.kind . && let hir::PatKind::Binding(_, _, ident, _) = local.pat.kind . && let hir::StmtKind::Semi(second) = w[1].kind . && let ExprKind::Assign(_, call, _) = second.kind . && let ExprKind::Call(closure, _) = call.kind . && let ExprKind::Path(hir::QPath::Resolved(_, path)) = closure.kind . && ident == path.segments[0].ident . && count_closure_usage(cx, block, path) == 1 . { -- line 284 ---------------------------------------- -- line 286 ---------------------------------------- . cx, . REDUNDANT_CLOSURE_CALL, . second.hir_id, . second.span, . "closure called just once immediately after it was declared", . ); . } . } 19,792 ( 0.00%) } . } 7,466 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_non_exhaustive.rs -------------------------------------------------------------------------------- Ir -- line 66 ---------------------------------------- . pub struct ManualNonExhaustive { . msrv: Msrv, . constructed_enum_variants: FxHashSet, . potential_enums: Vec<(LocalDefId, LocalDefId, Span, Span)>, . } . . impl ManualNonExhaustive { . pub fn new(conf: &'static Conf) -> Self { 8 ( 0.00%) Self { . msrv: conf.msrv.into(), . constructed_enum_variants: FxHashSet::default(), . potential_enums: Vec::new(), . } . } . } . . impl<'tcx> LateLintPass<'tcx> for ManualNonExhaustive { 6,578 ( 0.00%) fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { 4,222 ( 0.00%) if !cx.effective_visibilities.is_exported(item.owner_id.def_id) || !self.msrv.meets(cx, msrvs::NON_EXHAUSTIVE) { 32,340 ( 0.00%) => ???:::is_exported (598x) 162 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (6x) . return; . } . 30 ( 0.00%) match item.kind { . ItemKind::Enum(_, _, def) if def.variants.len() > 1 => { . let iter = def.variants.iter().filter_map(|v| { . (matches!(v.data, VariantData::Unit(_, _)) && is_doc_hidden(cx.tcx.hir_attrs(v.hir_id))) . .then_some((v.def_id, v.span)) . }); . if let Ok((id, span)) = iter.exactly_one() . && !find_attr!(cx.tcx, item.hir_id(), NonExhaustive(..)) . { -- line 96 ---------------------------------------- -- line 142 ---------------------------------------- . // ``` . diag.span_help(field.span, "remove this field"); . }, . ); . } . }, . _ => {}, . } 4,784 ( 0.00%) } . . fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 193,272 ( 0.00%) if let ExprKind::Path(QPath::Resolved(None, p)) = &e.kind 82,841 ( 0.00%) && let Res::Def(DefKind::Ctor(CtorOf::Variant, CtorKind::Const), ctor_id) = p.res . && let Some(local_ctor) = ctor_id.as_local() . { 189 ( 0.00%) let variant_id = cx.tcx.local_parent(local_ctor); 2,898 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/mod.rs:::local_parent:: (63x) . self.constructed_enum_variants.insert(variant_id); . } . } . 8 ( 0.00%) fn check_crate_post(&mut self, cx: &LateContext<'tcx>) { . for (enum_id, _, enum_span, variant_span) in std::mem::take(&mut self.potential_enums) . .into_iter() . .filter(|(_, variant_id, _, _)| !self.constructed_enum_variants.contains(variant_id)) . { . let hir_id = cx.tcx.local_def_id_to_hir_id(enum_id); . span_lint_hir_and_then( . cx, . MANUAL_NON_EXHAUSTIVE, -- line 170 ---------------------------------------- -- line 180 ---------------------------------------- . Applicability::MaybeIncorrect, . ); . // FIXME: Ideally this would be a suggestion, but the span for that is annoying to get. . // See the comment above for examples. . diag.span_help(variant_span, "remove this variant"); . }, . ); . } 8 ( 0.00%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/loops/mod.rs -------------------------------------------------------------------------------- Ir -- line 852 ---------------------------------------- . Self { . msrv: conf.msrv.into(), . enforce_iter_loop_reborrow: conf.enforce_iter_loop_reborrow, . } . } . } . . impl<'tcx> LateLintPass<'tcx> for Loops { 572,495 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,090 ( 0.00%) let for_loop = higher::ForLoop::hir(expr); 791,107 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (52,045x) 52,045 ( 0.00%) if let Some(higher::ForLoop { 64 ( 0.00%) pat, 64 ( 0.00%) arg, 64 ( 0.00%) body, 64 ( 0.00%) loop_id, 64 ( 0.00%) span, 256 ( 0.00%) label, 104,090 ( 0.00%) }) = for_loop . { . // we don't want to check expanded macros . // this check is not at the top of the function . // since higher::for_loop expressions are marked as expansions 128 ( 0.00%) if body.span.from_expansion() { . return; . } 192 ( 0.00%) self.check_for_loop(cx, pat, arg, body, expr, span, label); 192 ( 0.00%) if let ExprKind::Block(block, _) = body.kind { 128 ( 0.00%) never_loop::check(cx, block, loop_id, span, for_loop.as_ref()); 185,872 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::check (64x) . } . } . . // we don't want to check expanded macros 104,090 ( 0.00%) if expr.span.from_expansion() { . return; . } . . // check for never_loop 30,506 ( 0.00%) if let ExprKind::Loop(block, ..) = expr.kind { 50 ( 0.00%) never_loop::check(cx, block, expr.hir_id, expr.span, None); 30,169 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::check (5x) . } . . // check for `loop { if let {} else break }` that could be `while let` . // (also matches an explicit "match" instead of "if let") . // (even if the "match" or "if let" is used for declaration) . // (also matches on `let {} else break`) 15 ( 0.00%) if let ExprKind::Loop(block, label, LoopSource::Loop, _) = expr.kind { . // also check for empty `loop {}` statements, skipping those in #[panic_handler] . empty_loop::check(cx, expr, block); . while_let_loop::check(cx, expr, block); . infinite_loop::check(cx, expr, block, label); . } . 20,334 ( 0.00%) while_let_on_iterator::check(cx, expr); 176,490 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:clippy_lints::loops::while_let_on_iterator::check (10,167x) . 1 ( 0.00%) if let Some(higher::While { . condition, body, span, .. 1 ( 0.00%) }) = higher::While::hir(expr) . { 4 ( 0.00%) while_immutable_condition::check(cx, condition, body); 270 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/while_immutable_condition.rs:clippy_lints::loops::while_immutable_condition::check (1x) 3 ( 0.00%) while_float::check(cx, condition); 13 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/while_float.rs:clippy_lints::loops::while_float::check (1x) . missing_spin_loop::check(cx, condition, body); 4 ( 0.00%) manual_while_let_some::check(cx, condition, body, span); 138 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/manual_while_let_some.rs:clippy_lints::loops::manual_while_let_some::check (1x) . } . 25,896 ( 0.00%) if let ExprKind::MethodCall(path, recv, args, _) = expr.kind { 1,393 ( 0.00%) let name = path.ident.name; . 261 ( 0.00%) let is_iterator_method = || { 186 ( 0.00%) cx.ty_based_def(expr) 4 ( 0.00%) .assoc_fn_parent(cx) . .is_diag_item(cx, sym::Iterator) 348 ( 0.00%) }; . . // is_iterator_method is a bit expensive, so we call it last in each match arm . match (name, args) { 8,573 ( 0.00%) (sym::for_each | sym::all | sym::any, [arg]) => { 21 ( 0.00%) if let ExprKind::Closure(closure) = arg.kind 42 ( 0.00%) && is_iterator_method() 1,974 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/mod.rs:::check_expr::{closure#0} (7x) . { 35 ( 0.00%) unused_enumerate_index::check_method(cx, recv, arg, closure); 1,193 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/unused_enumerate_index.rs:clippy_lints::loops::unused_enumerate_index::check_method (7x) 35 ( 0.00%) never_loop::check_iterator_reduction(cx, expr, recv, closure); 997 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::check_iterator_reduction (7x) . } . }, . . (sym::filter_map | sym::find_map | sym::flat_map | sym::map, [arg]) => { 256 ( 0.00%) if let ExprKind::Closure(closure) = arg.kind 480 ( 0.00%) && is_iterator_method() 22,524 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/mod.rs:::check_expr::{closure#0} (80x) . { 272 ( 0.00%) unused_enumerate_index::check_method(cx, recv, arg, closure); 14,892 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/unused_enumerate_index.rs:clippy_lints::loops::unused_enumerate_index::check_method (68x) . } . }, . 584 ( 0.00%) (sym::try_for_each | sym::reduce, [arg]) | (sym::fold | sym::try_fold, [_, arg]) => { 88 ( 0.00%) if let ExprKind::Closure(closure) = arg.kind 8 ( 0.00%) && is_iterator_method() . { 16 ( 0.00%) never_loop::check_iterator_reduction(cx, expr, recv, closure); 587 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::check_iterator_reduction (4x) . } . }, . . _ => {}, . } . } 416,360 ( 0.01%) } . } . . impl Loops { . #[expect(clippy::too_many_arguments)] . fn check_for_loop<'tcx>( . &self, . cx: &LateContext<'tcx>, . pat: &'tcx Pat<'_>, . arg: &'tcx Expr<'_>, . body: &'tcx Expr<'_>, . expr: &'tcx Expr<'_>, . span: Span, . label: Option

(self, predicate: P) -> Self . where . P: [const] FnOnce(&T) -> bool + [const] Destruct, . T: [const] Destruct, . { 202,545 ( 0.00%) if let Some(x) = self { 83,793 ( 0.00%) if predicate(&x) { 6,023 ( 0.00%) return Some(x); . } . } 52,600 ( 0.00%) None 22 ( 0.00%) } . . /// Returns the option if it contains a value, otherwise returns `optb`. . /// . /// Arguments passed to `or` are eagerly evaluated; if you are passing the . /// result of a function call, it is recommended to use [`or_else`], which is . /// lazily evaluated. . /// . /// [`or_else`]: Option::or_else -- line 1593 ---------------------------------------- -- line 1613 ---------------------------------------- . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] . pub const fn or(self, optb: Option) -> Option . where . T: [const] Destruct, . { 588 ( 0.00%) match self { . x @ Some(_) => x, . None => optb, . } . } . . /// Returns the option if it contains a value, otherwise calls `f` and . /// returns the result. . /// -- line 1629 ---------------------------------------- -- line 1642 ---------------------------------------- . #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] . pub const fn or_else(self, f: F) -> Option . where . F: [const] FnOnce() -> Option + [const] Destruct, . //FIXME(const_hack): this `T: [const] Destruct` is unnecessary, but even precise live drops can't tell . // no value of type `T` gets dropped here . T: [const] Destruct, . { 973 ( 0.00%) match self { 16 ( 0.00%) x @ Some(_) => x, . None => f(), . } 3 ( 0.00%) } . . /// Returns [`Some`] if exactly one of `self`, `optb` is [`Some`], otherwise returns [`None`]. . /// . /// # Examples . /// . /// ``` . /// let x = Some(2); . /// let y: Option = None; -- line 1662 ---------------------------------------- -- line 1714 ---------------------------------------- . #[must_use = "if you intended to set a value, consider assignment instead"] . #[inline] . #[stable(feature = "option_insert", since = "1.53.0")] . #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] . pub const fn insert(&mut self, value: T) -> &mut T . where . T: [const] Destruct, . { 160,042 ( 0.00%) *self = Some(value); . . // SAFETY: the code above just filled the option . unsafe { self.as_mut().unwrap_unchecked() } . } . . /// Inserts `value` into the option if it is [`None`], then . /// returns a mutable reference to the contained value. . /// -- line 1730 ---------------------------------------- -- line 1976 ---------------------------------------- . /// ``` . #[stable(feature = "option_zip_option", since = "1.46.0")] . #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] . pub const fn zip(self, other: Option) -> Option<(T, U)> . where . T: [const] Destruct, . U: [const] Destruct, . { 385 ( 0.00%) match (self, other) { . (Some(a), Some(b)) => Some((a, b)), . _ => None, . } . } . . /// Combines the value in `self` with the value in another `Option`, using the function `f`. . /// . /// If `self` is `Some(s)` and `other` is `Some(o)`, this method returns `Some(f(s, o))`. -- line 1992 ---------------------------------------- -- line 2130 ---------------------------------------- . #[rustc_const_stable(feature = "const_option", since = "1.83.0")] . pub const fn copied(self) -> Option . where . T: Copy, . { . // FIXME(const-hack): this implementation, which sidesteps using `Option::map` since it's not const . // ready yet, should be reverted when possible to avoid code repetition . match self { 57,686 ( 0.00%) Some(&v) => Some(v), . None => None, . } . } . . /// Maps an `Option<&T>` to an `Option` by cloning the contents of the . /// option. . /// . /// # Examples -- line 2146 ---------------------------------------- -- line 2266 ---------------------------------------- . const impl Clone for Option . where . // FIXME(const_hack): the T: [const] Destruct should be inferred from the Self: [const] Destruct in clone_from. . // See https://github.com/rust-lang/rust/issues/144207 . T: [const] Clone + [const] Destruct, . { . #[inline] . fn clone(&self) -> Self { 6,010,571 ( 0.11%) match self { 264 ( 0.00%) Some(x) => Some(x.clone()), . None => None, . } . } . . #[inline] . fn clone_from(&mut self, source: &Self) { . match (self, source) { . (Some(to), Some(from)) => to.clone_from(from), -- line 2283 ---------------------------------------- -- line 2431 ---------------------------------------- . impl crate::marker::StructuralPartialEq for Option {} . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] . const impl PartialEq for Option { . #[inline] . fn eq(&self, other: &Self) -> bool { . // Spelling out the cases explicitly optimizes better than . // `_ => false` 999,681 ( 0.02%) match (self, other) { . (Some(l), Some(r)) => *l == *r, . (Some(_), None) => false, . (None, Some(_)) => false, . (None, None) => true, . } . } . } . -- line 2447 ---------------------------------------- -- line 2659 ---------------------------------------- . iter: Option, . } . . #[unstable(feature = "option_into_flat_iter", issue = "148441")] . impl Iterator for OptionFlatten { . type Item = A::Item; . . fn next(&mut self) -> Option { 162 ( 0.00%) match &mut self.iter { . Some(iter) => iter.next(), . None => None, . } . } . . fn size_hint(&self) -> (usize, Option) { . match &self.iter { . Some(iter) => iter.size_hint(), -- line 2675 ---------------------------------------- -- line 2844 ---------------------------------------- . /// assert_eq!(res, None); . /// assert_eq!(shared, 6); . /// ``` . /// . /// Since the third element caused an underflow, no further elements were taken, . /// so the final value of `shared` is 6 (= `3 + 2 + 1`), not 16. . #[inline] . fn from_iter>>(iter: I) -> Option { 20 ( 0.00%) iter::try_process(iter.into_iter(), |i| i.collect()) 3,392 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/mod.rs:core::iter::adapters::try_process::, ::multi::{closure#0}>, clippy_utils::consts::Constant, core::option::Option, > as core::iter::traits::collect::FromIterator>>::from_iter, ::multi::{closure#0}>>::{closure#0}, alloc::vec::Vec> (19x) . } . } . . #[unstable(feature = "try_trait_v2", issue = "84277", old_name = "try_trait")] . #[rustc_const_unstable(feature = "const_try", issue = "74935")] . const impl ops::Try for Option { . type Output = T; . type Residual = Option; -- line 2860 ---------------------------------------- -- line 2861 ---------------------------------------- . . #[inline] . fn from_output(output: Self::Output) -> Self { . Some(output) . } . . #[inline] . fn branch(self) -> ControlFlow { 280,431 ( 0.01%) match self { 4,592 ( 0.00%) Some(v) => ControlFlow::Continue(v), . None => ControlFlow::Break(None), . } . } . } . . #[unstable(feature = "try_trait_v2", issue = "84277", old_name = "try_trait")] . #[rustc_const_unstable(feature = "const_try", issue = "74935")] . // Note: manually specifying the residual type instead of using the default to work around . // https://github.com/rust-lang/rust/issues/99940 . const impl ops::FromResidual> for Option { . #[inline] . fn from_residual(residual: Option) -> Self { . match residual { 1,064 ( 0.00%) None => None, . } . } . } . . #[diagnostic::do_not_recommend] . #[unstable(feature = "try_trait_v2_yeet", issue = "96374")] . #[rustc_const_unstable(feature = "const_try", issue = "74935")] . const impl ops::FromResidual> for Option { -- line 2892 ---------------------------------------- -- line 2930 ---------------------------------------- . #[inline] . #[stable(feature = "option_flattening", since = "1.40.0")] . #[rustc_allow_const_fn_unstable(const_precise_live_drops)] . #[rustc_const_stable(feature = "const_option", since = "1.83.0")] . pub const fn flatten(self) -> Option { . // FIXME(const-hack): could be written with `and_then` . match self { . Some(inner) => inner, 27 ( 0.00%) None => None, . } . } . } . . impl<'a, T> Option<&'a Option> { . /// Converts from `Option<&Option>` to `Option<&T>`. . /// . /// # Examples -- line 2946 ---------------------------------------- 503,803 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/casts/ptr_cast_constness.rs -------------------------------------------------------------------------------- Ir -- line 5 ---------------------------------------- . use clippy_utils::{std_or_core, sym}; . use rustc_errors::Applicability; . use rustc_hir::{self as hir, Expr, ExprKind, QPath}; . use rustc_lint::LateContext; . use rustc_middle::ty::{self, Ty, TypeVisitableExt as _}; . . use super::PTR_CAST_CONSTNESS; . 63 ( 0.00%) pub(super) fn check<'tcx>( . cx: &LateContext<'_>, . expr: &Expr<'_>, . cast_from_expr: &Expr<'_>, . cast_from: Ty<'tcx>, . cast_to: Ty<'tcx>, . msrv: Msrv, . ) { 18 ( 0.00%) if let ty::RawPtr(from_ty, from_mutbl) = cast_from.kind() . && let ty::RawPtr(to_ty, to_mutbl) = cast_to.kind() . && from_mutbl != to_mutbl . && from_ty == to_ty . && !from_ty.has_erased_regions() . { . if let ExprKind::Call(func, []) = cast_from_expr.kind . && let ExprKind::Path(QPath::Resolved(None, path)) = func.kind . && let Some(defid) = path.res.opt_def_id() -- line 29 ---------------------------------------- -- line 69 ---------------------------------------- . expr.span, . "`as` casting between raw pointers while changing only its constness", . format!("try `pointer::cast_{constness}`, a safer alternative"), . format!("{}.cast_{constness}()", sugg.maybe_paren()), . app, . ); . } . } 72 ( 0.00%) } . 312,270 ( 0.01%) pub(super) fn check_null_ptr_cast_method(cx: &LateContext<'_>, expr: &Expr<'_>) { 108,338 ( 0.00%) if let ExprKind::MethodCall(method, cast_from_expr, [], _) = expr.kind 2,244 ( 0.00%) && let ExprKind::Call(func, []) = cast_from_expr.kind . && let ExprKind::Path(QPath::Resolved(None, path)) = func.kind . && let Some(defid) = path.res.opt_def_id() . && let method = match (cx.tcx.get_diagnostic_name(defid), method.ident.name) { . (Some(sym::ptr_null), sym::cast_mut) => "null_mut", . (Some(sym::ptr_null_mut), sym::cast_const) => "null", . _ => return, . } . && let Some(prefix) = std_or_core(cx) -- line 89 ---------------------------------------- -- line 97 ---------------------------------------- . PTR_CAST_CONSTNESS, . expr.span, . "changing constness of a null pointer", . format!("use `{method}()` directly instead"), . format!("{prefix}::ptr::{method}::<{after_lt}"), . app, . ); . } 364,315 ( 0.01%) } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/strings.rs -------------------------------------------------------------------------------- Ir -- line 278 ---------------------------------------- . } . } . } . . // Max length a b"foo" string can take . const MAX_LENGTH_BYTE_STRING_LIT: usize = 32; . . impl<'tcx> LateLintPass<'tcx> for StringLitAsBytes { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { . use rustc_ast::LitKind; . 419,965 ( 0.01%) if let ExprKind::Call(fun, [bytes_arg]) = e.kind . // Find `std::str::converts::from_utf8` or `std::primitive::str::from_utf8` 10,794 ( 0.00%) && let Some(sym::str_from_utf8 | sym::str_inherent_from_utf8) = 3,605 ( 0.00%) fun.res(cx).opt_diag_name(cx) . . // Find string::as_bytes . && let ExprKind::AddrOf(BorrowKind::Ref, _, args) = bytes_arg.kind . && let ExprKind::Index(left, right, _) = args.kind . && let (method_names, expressions, _) = method_calls(left, 1) . && method_names == [sym::as_bytes] . && expressions.len() == 1 . && expressions[0].1.is_empty() -- line 300 ---------------------------------------- -- line 315 ---------------------------------------- . e.span, . "calling a slice of `as_bytes()` with `from_utf8` should be not necessary", . "try", . format!("Some(&{snippet_app}[{right_snip}])"), . applicability, . ); . } . 107,278 ( 0.00%) if !e.span.in_external_macro(cx.sess().source_map()) . && let ExprKind::MethodCall(path, receiver, ..) = &e.kind 2,786 ( 0.00%) && path.ident.name == sym::as_bytes 2 ( 0.00%) && let ExprKind::Lit(lit) = &receiver.kind . && let LitKind::Str(lit_content, _) = &lit.node . { . let callsite = snippet(cx, receiver.span.source_callsite(), r#""foo""#); . let mut applicability = Applicability::MachineApplicable; . if callsite.starts_with("include_str!") { . span_lint_and_sugg( . cx, . STRING_LIT_AS_BYTES, -- line 334 ---------------------------------------- -- line 362 ---------------------------------------- . snippet_with_applicability(cx, receiver.span, r#""foo""#, &mut applicability) . ), . applicability, . ); . } . } . } . 55,233 ( 0.00%) if let ExprKind::MethodCall(path, recv, [], _) = &e.kind 2,120 ( 0.00%) && path.ident.name == sym::into_bytes . && let ExprKind::MethodCall(path, recv, [], _) = &recv.kind . && matches!(path.ident.name, sym::to_owned | sym::to_string) . && let ExprKind::Lit(lit) = &recv.kind . && let LitKind::Str(lit_content, _) = &lit.node . && lit_content.as_str().is_ascii() . && lit_content.as_str().len() <= MAX_LENGTH_BYTE_STRING_LIT . && !recv.span.from_expansion() . { -- line 379 ---------------------------------------- -- line 387 ---------------------------------------- . "consider using a byte string literal instead", . format!( . "b{}.to_vec()", . snippet_with_applicability(cx, recv.span, r#""..""#, &mut applicability) . ), . applicability, . ); . } 416,360 ( 0.01%) } . } . . impl<'tcx> LateLintPass<'tcx> for StrToString { . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'_>) { . if expr.span.from_expansion() { . return; . } . -- line 403 ---------------------------------------- -- line 438 ---------------------------------------- . "str::to_owned".to_string(), . Applicability::MachineApplicable, . ); . } . } . } . . impl<'tcx> LateLintPass<'tcx> for TrimSplitWhitespace { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'_>) { . let tyckres = cx.typeck_results(); 108,338 ( 0.00%) if let ExprKind::MethodCall(path, split_recv, [], split_ws_span) = expr.kind 1,060 ( 0.00%) && path.ident.name == sym::split_whitespace . && let Some(split_ws_def_id) = tyckres.type_dependent_def_id(expr.hir_id) . && cx.tcx.is_diagnostic_item(sym::str_split_whitespace, split_ws_def_id) . && let ExprKind::MethodCall(path, _trim_recv, [], trim_span) = split_recv.kind . && let trim_fn_name @ (sym::trim | sym::trim_start | sym::trim_end) = path.ident.name . && let Some(trim_def_id) = tyckres.type_dependent_def_id(split_recv.hir_id) . && is_one_of_trim_diagnostic_items(cx, trim_def_id) . { . span_lint_and_sugg( -- line 457 ---------------------------------------- -- line 459 ---------------------------------------- . TRIM_SPLIT_WHITESPACE, . trim_span.with_hi(split_ws_span.lo()), . format!("found call to `str::{trim_fn_name}` before `str::split_whitespace`"), . format!("remove `{trim_fn_name}()`"), . String::new(), . Applicability::MachineApplicable, . ); . } 416,360 ( 0.01%) } . } . . fn is_one_of_trim_diagnostic_items(cx: &LateContext<'_>, trim_def_id: DefId) -> bool { . matches!( . cx.tcx.get_diagnostic_name(trim_def_id), . Some(sym::str_trim | sym::str_trim_start | sym::str_trim_end) . ) . } -- line 475 ---------------------------------------- 55,650 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/casts/cast_ptr_alignment.rs -------------------------------------------------------------------------------- Ir -- line 4 ---------------------------------------- . use rustc_hir::{Expr, ExprKind, GenericArg}; . use rustc_lint::LateContext; . use rustc_middle::ty::layout::LayoutOf as _; . use rustc_middle::ty::{self, Ty}; . . use super::CAST_PTR_ALIGNMENT; . . pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>, cast_from: Ty<'tcx>, cast_to: Ty<'tcx>) { 54 ( 0.00%) lint_cast_ptr_alignment(cx, expr, cast_from, cast_to); 153 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/casts/cast_ptr_alignment.rs:clippy_lints::casts::cast_ptr_alignment::lint_cast_ptr_alignment (9x) . } . 260,225 ( 0.00%) pub(super) fn check_cast_method(cx: &LateContext<'_>, expr: &Expr<'_>) { 107,278 ( 0.00%) if let ExprKind::MethodCall(method_path, self_arg, [], _) = &expr.kind 2,120 ( 0.00%) && method_path.ident.name == sym::cast . && let Some(generic_args) = method_path.args . && let [GenericArg::Type(cast_to)] = generic_args.args . // There probably is no obvious reason to do this, just to be consistent with `as` cases. . && !is_hir_ty_cfg_dependant(cx, cast_to.as_unambig_ty()) . { . let (cast_from, cast_to) = (cx.typeck_results().expr_ty(self_arg), cx.typeck_results().expr_ty(expr)); . lint_cast_ptr_alignment(cx, expr, cast_from, cast_to); . } 312,270 ( 0.01%) } . 72 ( 0.00%) fn lint_cast_ptr_alignment<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>, cast_from: Ty<'tcx>, cast_to: Ty<'tcx>) { 18 ( 0.00%) if let ty::RawPtr(from_ptr_ty, _) = *cast_from.kind() . && let ty::RawPtr(to_ptr_ty, _) = *cast_to.kind() . && let Ok(from_layout) = cx.layout_of(from_ptr_ty) . && let Ok(to_layout) = cx.layout_of(to_ptr_ty) . && from_layout.align.abi < to_layout.align.abi . // with c_void, we inherently need to trust the user . && !is_c_void(cx, from_ptr_ty) . // when casting from a ZST, we don't know enough to properly lint . && !from_layout.is_zst() -- line 37 ---------------------------------------- -- line 44 ---------------------------------------- . expr.span, . format!( . "casting from `{cast_from}` to a more-strictly-aligned pointer (`{cast_to}`) ({} < {} bytes)", . from_layout.align.bytes(), . to_layout.align.bytes(), . ), . ); . } 63 ( 0.00%) } . . fn is_used_as_unaligned(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { . let Some(parent) = get_parent_expr(cx, e) else { . return false; . }; . match parent.kind { . ExprKind::MethodCall(name, self_arg, ..) if self_arg.hir_id == e.hir_id => { . if matches!(name.ident.name, sym::read_unaligned | sym::write_unaligned) -- line 60 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/map_unit_fn.rs -------------------------------------------------------------------------------- Ir -- line 257 ---------------------------------------- . ); . diag.span_suggestion_verbose(stmt.span, SUGG_MSG, suggestion, Applicability::HasPlaceholders); . } . }); . } . } . . impl LateLintPass<'_> for MapUnit { 70,868 ( 0.00%) fn check_stmt(&mut self, cx: &LateContext<'_>, stmt: &hir::Stmt<'_>) { 27,825 ( 0.00%) if let hir::StmtKind::Semi(expr) = stmt.kind 15,154 ( 0.00%) && !stmt.span.from_expansion() 3,232 ( 0.00%) && let Some(arglists) = method_chain_args(expr, &[sym::map]) 57,306 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::method_chain_args (404x) . { . lint_map_unit_fn(cx, stmt, expr, arglists[0]); . } 80,992 ( 0.00%) } . } 15,154 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/def.rs -------------------------------------------------------------------------------- Ir -- line 91 ---------------------------------------- . DeriveHelper, . /// Single-segment custom attribute registered by a derive macro . /// but used before that derive macro was expanded (deprecated). . DeriveHelperCompat, . } . . /// What kind of definition something is; e.g., `mod` vs `struct`. . /// `enum DefPathData` may need to be updated if a new variant is added here. 2,252 ( 0.00%) #[derive(Clone, Copy, PartialEq, Eq, Encodable, Decodable, Hash, Debug, StableHash)] . pub enum DefKind { . // Type namespace . Mod, . /// Refers to the struct itself, [`DefKind::Ctor`] refers to its constructor if it exists. . Struct, . Union, . Enum, . /// Refers to the variant itself, [`DefKind::Ctor`] refers to its constructor if it exists. -- line 107 ---------------------------------------- -- line 264 ---------------------------------------- . | DefKind::Use . | DefKind::ExternCrate => "an", . DefKind::Macro(kinds) => kinds.article(), . _ => "a", . } . } . . pub fn ns(&self) -> Option { 81 ( 0.00%) match self { . DefKind::Mod . | DefKind::Struct . | DefKind::Union . | DefKind::Enum . | DefKind::Variant . | DefKind::Trait . | DefKind::TyAlias . | DefKind::ForeignTy -- line 280 ---------------------------------------- -- line 467 ---------------------------------------- . /// - `String` will resolve to [`Res::Def`], and the `Res` will include the [`DefId`] . /// for `String` as defined in the standard library; . /// - `String::from` will also resolve to [`Res::Def`], with the [`DefId`] . /// pointing to `String::from`; . /// - `s` will resolve to [`Res::Local`]; . /// - the call to `str_to_string` will resolve to [`Res::Def`], with the [`DefId`] . /// pointing to the definition of `str_to_string` in the current crate. . // 482 ( 0.00%) #[derive(Clone, Copy, PartialEq, Eq, Encodable, Decodable, Hash, Debug, StableHash)] . pub enum Res { . /// Definition having a unique ID (`DefId`), corresponds to something defined in user code. . /// . /// **Not bound to a specific namespace.** . Def(DefKind, DefId), . . // Type namespace . /// A primitive type such as `i32` or `str`. -- line 483 ---------------------------------------- -- line 634 ---------------------------------------- . #[inline] . pub fn expect_full_res(&self) -> Res { . self.full_res().expect("unexpected unresolved segments") . } . } . . /// Different kinds of symbols can coexist even if they share the same textual name. . /// Therefore, they each have a separate universe (known as a "namespace"). 17 ( 0.00%) #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Encodable, Decodable)] . #[derive(StableHash)] . pub enum Namespace { . /// The type namespace includes `struct`s, `enum`s, `union`s, `trait`s, and `mod`s . /// (and, by extension, crates). . /// . /// Note that the type namespace includes other items; this is not an . /// exhaustive list. . TypeNS, -- line 650 ---------------------------------------- -- line 784 ---------------------------------------- . where . Id: Debug, . { . self.opt_def_id().unwrap_or_else(|| panic!("attempted .def_id() on invalid res: {self:?}")) . } . . /// Return `Some(..)` with the `DefId` of this `Res` if it has a ID, else `None`. . pub fn opt_def_id(&self) -> Option { 231,961 ( 0.00%) match *self { 155,640 ( 0.00%) Res::Def(_, id) => Some(id), . . Res::Local(..) . | Res::PrimTy(..) . | Res::SelfTyParam { .. } . | Res::SelfTyAlias { .. } . | Res::SelfCtor(..) . | Res::ToolMod . | Res::OpenMod(..) -- line 801 ---------------------------------------- -- line 893 ---------------------------------------- . Res::Def(DefKind::Macro(kinds), _) => Some(kinds), . Res::NonMacroAttr(..) => Some(MacroKinds::ATTR), . _ => None, . } . } . . /// Returns `None` if this is `Res::Err` . pub fn ns(&self) -> Option { 30 ( 0.00%) match self { . Res::Def(kind, ..) => kind.ns(), . Res::PrimTy(..) . | Res::SelfTyParam { .. } . | Res::SelfTyAlias { .. } . | Res::ToolMod . | Res::OpenMod(..) => Some(Namespace::TypeNS), . Res::SelfCtor(..) | Res::Local(..) => Some(Namespace::ValueNS), . Res::NonMacroAttr(..) => Some(Namespace::MacroNS), -- line 909 ---------------------------------------- 54,435 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/control_flow.rs -------------------------------------------------------------------------------- Ir -- line 103 ---------------------------------------- . #[unstable(feature = "try_trait_v2", issue = "84277", old_name = "try_trait")] . #[rustc_const_unstable(feature = "const_try", issue = "74935")] . const impl ops::Try for ControlFlow { . type Output = C; . type Residual = ControlFlow; . . #[inline] . fn from_output(output: Self::Output) -> Self { 2,278 ( 0.00%) ControlFlow::Continue(output) . } . . #[inline] . fn branch(self) -> ControlFlow { 178,747 ( 0.00%) match self { . ControlFlow::Continue(c) => ControlFlow::Continue(c), . ControlFlow::Break(b) => ControlFlow::Break(ControlFlow::Break(b)), . } . } . } . . #[unstable(feature = "try_trait_v2", issue = "84277", old_name = "try_trait")] . #[rustc_const_unstable(feature = "const_try", issue = "74935")] . // Note: manually specifying the residual type instead of using the default to work around . // https://github.com/rust-lang/rust/issues/99940 . const impl ops::FromResidual> for ControlFlow { . #[inline] . fn from_residual(residual: ControlFlow) -> Self { . match residual { 731,308 ( 0.01%) ControlFlow::Break(b) => ControlFlow::Break(b), . } . } . } . . #[unstable(feature = "try_trait_v2_residual", issue = "91285")] . #[rustc_const_unstable(feature = "const_try_residual", issue = "91285")] . const impl ops::Residual for ControlFlow { . type TryType = ControlFlow; -- line 139 ---------------------------------------- -- line 149 ---------------------------------------- . /// . /// assert!(ControlFlow::<&str, i32>::Break("Stop right there!").is_break()); . /// assert!(!ControlFlow::<&str, i32>::Continue(3).is_break()); . /// ``` . #[inline] . #[stable(feature = "control_flow_enum_is", since = "1.59.0")] . #[rustc_const_stable(feature = "min_const_control_flow", since = "1.95.0")] . pub const fn is_break(&self) -> bool { 78 ( 0.00%) matches!(*self, ControlFlow::Break(_)) . } . . /// Returns `true` if this is a `Continue` variant. . /// . /// # Examples . /// . /// ``` . /// use std::ops::ControlFlow; -- line 165 ---------------------------------------- -- line 187 ---------------------------------------- . /// ``` . #[inline] . #[stable(feature = "control_flow_enum", since = "1.83.0")] . #[rustc_const_unstable(feature = "const_control_flow", issue = "148739")] . pub const fn break_value(self) -> Option . where . Self: [const] Destruct, . { 172,314 ( 0.00%) match self { 614 ( 0.00%) ControlFlow::Continue(..) => None, 203,700 ( 0.00%) ControlFlow::Break(x) => Some(x), . } . } . . /// Converts the `ControlFlow` into a `Result` which is `Ok` if the . /// `ControlFlow` was `Break` and `Err` if otherwise. . /// . /// # Examples . /// -- line 205 ---------------------------------------- -- line 300 ---------------------------------------- . /// ``` . #[inline] . #[stable(feature = "control_flow_enum", since = "1.83.0")] . #[rustc_const_unstable(feature = "const_control_flow", issue = "148739")] . pub const fn continue_value(self) -> Option . where . Self: [const] Destruct, . { 10 ( 0.00%) match self { . ControlFlow::Continue(x) => Some(x), . ControlFlow::Break(..) => None, . } . } . . /// Converts the `ControlFlow` into a `Result` which is `Ok` if the . /// `ControlFlow` was `Continue` and `Err` if otherwise. . /// -- line 316 ---------------------------------------- -- line 427 ---------------------------------------- . impl ControlFlow { . /// Creates a `ControlFlow` from any type implementing `Try`. . #[inline] . #[rustc_const_unstable(feature = "const_control_flow", issue = "148739")] . pub(crate) const fn from_try(r: R) -> Self . where . R: [const] ops::Try, . { 5 ( 0.00%) match R::branch(r) { . ControlFlow::Continue(v) => ControlFlow::Continue(v), . ControlFlow::Break(v) => ControlFlow::Break(R::from_residual(v)), . } . } . . /// Converts a `ControlFlow` into any type implementing `Try`. . #[inline] . #[rustc_const_unstable(feature = "const_control_flow", issue = "148739")] . pub(crate) const fn into_try(self) -> R . where . R: [const] ops::Try, . { . match self { . ControlFlow::Continue(v) => R::from_output(v), 75,999 ( 0.00%) ControlFlow::Break(v) => v, . } . } . } 362,310 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/format_args.rs -------------------------------------------------------------------------------- Ir -- line 321 ---------------------------------------- . ty_msrv_map: FxHashMap, Option>, . has_derived_debug: FxHashMap, bool>, . has_pointer_format: FxHashMap, bool>, . } . . impl<'tcx> FormatArgs<'tcx> { . pub fn new(tcx: TyCtxt<'tcx>, conf: &'static Conf, format_args: FormatArgsStorage) -> Self { . let ty_msrv_map = make_ty_msrv_map(tcx); 13 ( 0.00%) Self { . format_args, . msrv: conf.msrv.into(), 1 ( 0.00%) ignore_mixed: conf.allow_mixed_uninlined_format_args, . ty_msrv_map, . has_derived_debug: FxHashMap::default(), . has_pointer_format: FxHashMap::default(), . } . } . } . . impl<'tcx> LateLintPass<'tcx> for FormatArgs<'tcx> { 520,450 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 2,328 ( 0.00%) if let Some(macro_call) = root_macro_call_first_node(cx, expr) 2,328 ( 0.00%) && is_format_macro(cx, macro_call.def_id) 847,113 ( 0.02%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::is_format_macro (388x) 408 ( 0.00%) && let Some(format_args) = self.format_args.get(cx, expr, macro_call.expn) 146,218 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:::get (51x) . { 470 ( 0.00%) let mut linter = FormatArgsExpr { . cx, . expr, . macro_call: ¯o_call, . format_args, 47 ( 0.00%) ignore_mixed: self.ignore_mixed, . msrv: &self.msrv, 47 ( 0.00%) ty_msrv_map: &self.ty_msrv_map, 47 ( 0.00%) has_derived_debug: &mut self.has_derived_debug, 47 ( 0.00%) has_pointer_format: &mut self.has_pointer_format, . }; . . linter.check_trailing_comma(); . linter.check_templates(); . 282 ( 0.00%) if self.msrv.meets(cx, msrvs::FORMAT_ARGS_CAPTURE) { 1,269 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (47x) . linter.check_uninlined_args(); . } . } 416,360 ( 0.01%) } . } . . struct FormatArgsExpr<'a, 'tcx> { . cx: &'a LateContext<'tcx>, . expr: &'tcx Expr<'tcx>, . macro_call: &'a MacroCall, . format_args: &'a rustc_ast::FormatArgs, . ignore_mixed: bool, -- line 373 ---------------------------------------- -- line 375 ---------------------------------------- . ty_msrv_map: &'a FxHashMap, Option>, . has_derived_debug: &'a mut FxHashMap, bool>, . has_pointer_format: &'a mut FxHashMap, bool>, . } . . impl<'tcx> FormatArgsExpr<'_, 'tcx> { . /// Check if there is a comma after the last format macro arg. . fn check_trailing_comma(&self) { 47 ( 0.00%) let span = self.macro_call.span; 329 ( 0.00%) if let Some(src) = span.get_text(self.cx) 47 ( 0.00%) && let Some(src) = src.strip_suffix([')', ']', '}']) 1,175 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::deref (47x) . && let src = src.trim_end_matches(|c: char| c.is_whitespace() && c != '\n') . && let Some(src) = src.strip_suffix(',') . && let src = src.trim_end_matches(|c: char| c.is_whitespace() && c != '\n') . && !src.ends_with('\n') . { . span_lint_and_sugg( . self.cx, . UNNECESSARY_TRAILING_COMMA, -- line 393 ---------------------------------------- -- line 397 ---------------------------------------- . "remove the trailing comma", . String::new(), . Applicability::MachineApplicable, . ); . } . } . . fn check_templates(&mut self) { 47 ( 0.00%) for piece in &self.format_args.template { 288 ( 0.00%) if let FormatArgsPiece::Placeholder(placeholder) = piece 62 ( 0.00%) && let Ok(index) = placeholder.argument.index 62 ( 0.00%) && let Some(arg) = self.format_args.arguments.all_args().get(index) 248 ( 0.00%) && let Some(arg_expr) = find_format_arg_expr(self.expr, arg) 41,961 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::find_format_arg_expr (62x) . { 62 ( 0.00%) self.check_unused_format_specifier(placeholder, arg_expr); 62 ( 0.00%) self.check_useless_format_width(placeholder); 248 ( 0.00%) self.check_useless_borrows_in_formatting(placeholder, arg_expr); 48,402 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/format_args.rs:::check_useless_borrows_in_formatting (62x) . . // Check width and precision arguments the same way as the value . for opt in [&placeholder.format_options.width, &placeholder.format_options.precision] { . if let Some(FormatCount::Argument(position)) = opt.as_ref() . && let Ok(pos_index) = position.index . && let Some(pos_arg) = self.format_args.arguments.all_args().get(pos_index) . && let Some(pos_arg_expr) = find_format_arg_expr(self.expr, pos_arg) . { . self.check_useless_borrows_in_formatting(placeholder, pos_arg_expr); . } . } . 8 ( 0.00%) if placeholder.format_trait == Display 290 ( 0.00%) && placeholder.format_options == FormatOptions::default() 2,610 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/format.rs:::eq (58x) 58 ( 0.00%) && !self.is_aliased(index) . { 280 ( 0.00%) let name = self.cx.tcx.item_name(self.macro_call.def_id); 224 ( 0.00%) self.check_format_in_format_args(name, arg_expr); 112 ( 0.00%) self.check_to_string_in_format_args(name, arg_expr); . } . . if placeholder.format_trait == Debug { 20 ( 0.00%) let name = self.cx.tcx.item_name(self.macro_call.def_id); . self.check_unnecessary_debug_formatting(name, arg_expr); 12 ( 0.00%) if let Some(span) = placeholder.span 32 ( 0.00%) && self.has_pointer_debug(self.cx.typeck_results().expr_ty(arg_expr), 0) 4,562 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/format_args.rs:::has_pointer_debug (4x) 160 ( 0.00%) => ???:::expr_ty (4x) . { . span_lint(self.cx, POINTER_FORMAT, span, "pointer formatting detected"); . } . } . . if placeholder.format_trait == Pointer . && let Some(span) = placeholder.span . { . span_lint(self.cx, POINTER_FORMAT, span, "pointer formatting detected"); . } . } . } . } . 682 ( 0.00%) fn check_useless_borrows_in_formatting(&self, placeholder: &FormatPlaceholder, arg_expr: &Expr<'tcx>) { . // Updated while peeling: 62 ( 0.00%) let mut only_mutable = true; 62 ( 0.00%) let mut has_mutable = false; . 124 ( 0.00%) if !arg_expr.span.from_expansion() 124 ( 0.00%) && !is_from_proc_macro(self.cx, arg_expr) 384 ( 0.00%) && let Some(fmt_trait) = match placeholder.format_trait { . Display => self.cx.tcx.get_diagnostic_item(sym::Display), . Debug => self.cx.tcx.get_diagnostic_item(sym::Debug), . _ => None, . } 372 ( 0.00%) && let Some(sized_trait) = self.cx.tcx.lang_items().sized_trait() 1,860 ( 0.00%) => ???:::lang_items (62x) 620 ( 0.00%) && let peeled_expr = peel_hir_expr_while(arg_expr, |e| { 1,178 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::peel_hir_expr_while::<::check_useless_borrows_in_formatting::{closure#0}> (62x) . // Need to handle `&&&T` to `&T` when a single ref is still required 124 ( 0.00%) if let ExprKind::AddrOf(BorrowKind::Ref, m, e) = e.kind . && let ty = self.cx.typeck_results().expr_ty(e) . && implements_trait(self.cx, ty, sized_trait, &[]) . && implements_trait(self.cx, ty, fmt_trait, &[]) . { . only_mutable = only_mutable && m == Mutability::Mut; . has_mutable = has_mutable || m == Mutability::Mut; . Some(e) . } else { . None . } . }) 62 ( 0.00%) && !std::ptr::eq(arg_expr, peeled_expr) . && let Some(peeled_snippet) = snippet_opt(self.cx, peeled_expr.span) . { . let name = self.cx.tcx.item_name(self.macro_call.def_id); . let message = if only_mutable { . "remove the redundant `&mut`" . } else if has_mutable { . "remove the redundant `&`/`&mut`" . } else { -- line 489 ---------------------------------------- -- line 494 ---------------------------------------- . USELESS_BORROWS_IN_FORMATTING, . arg_expr.span, . format!("redundant reference in `{name}!` argument"), . message, . peeled_snippet, . Applicability::MachineApplicable, . ); . } 496 ( 0.00%) } . . fn check_unused_format_specifier(&self, placeholder: &FormatPlaceholder, arg: &Expr<'_>) { . let options = &placeholder.format_options; . 186 ( 0.00%) if let Some(placeholder_span) = placeholder.span 124 ( 0.00%) && *options != FormatOptions::default() . && let ty = self.cx.typeck_results().expr_ty(arg).peel_refs() . && ty.is_lang_item(self.cx, LangItem::FormatArguments) . { . span_lint_and_then( . self.cx, . UNUSED_FORMAT_SPECS, . placeholder_span, . "format specifiers have no effect on `format_args!()`", -- line 516 ---------------------------------------- -- line 549 ---------------------------------------- . }, . ); . } . } . . /// Lint when format width has no effect on the output because the format trait's . /// minimum output is larger (e.g. `{:#02X}` outputs "0x1" so width 2 has no effect). . fn check_useless_format_width(&self, placeholder: &FormatPlaceholder) { 310 ( 0.00%) let min_width = match placeholder.format_trait { . // 0x prefix, e.g. 0x1, 0o1, 0b1 . LowerHex | UpperHex | Octal | Binary if placeholder.format_options.alternate => 4, . LowerExp | UpperExp | Pointer => 4, // e.g. 1e0 with exponent, 0x1 for pointer . _ => return, . }; . if let Some(FormatCount::Literal(width_value)) = placeholder.format_options.width . && width_value < min_width . && let Some(placeholder_span) = placeholder.span -- line 565 ---------------------------------------- -- line 571 ---------------------------------------- . "format width has no effect on the output for this format trait", . None, . format!("consider removing the width or increasing it to at least {min_width}"), . ); . } . } . . fn check_uninlined_args(&self) { 141 ( 0.00%) if self.format_args.span.from_expansion() { . return; . } 188 ( 0.00%) if self.macro_call.span.edition() < Edition2021 2,726 ( 0.00%) => ???:::edition (47x) 611 ( 0.00%) && (is_panic(self.cx, self.macro_call.def_id) || is_assert_macro(self.cx, self.macro_call.def_id)) 4,277 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::is_panic (47x) 4,183 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::is_assert_macro (47x) . { . // panic!, assert!, and debug_assert! before 2021 edition considers a single string argument as . // non-format . return; . } . . let mut fixes = Vec::new(); . // If any of the arguments are referenced by an index number, . // and that argument is not a simple variable and cannot be inlined, . // we cannot remove any other arguments in the format string, . // because the index numbers might be wrong after inlining. . // Example of an un-inlinable format: print!("{}{1}", foo, 2) 506 ( 0.00%) for (pos, usage) in self.format_arg_positions() { 48 ( 0.00%) if !self.check_one_arg(pos, usage, &mut fixes) { . return; . } . } . 22 ( 0.00%) if fixes.is_empty() { . return; . } . . // multiline span display suggestion is sometimes broken: https://github.com/rust-lang/rust/pull/102729#discussion_r988704308 . // in those cases, make the code suggestion hidden 22 ( 0.00%) let multiline_fix = fixes . .iter() 70 ( 0.00%) .any(|(span, _)| self.cx.sess().source_map().is_multiline(*span)); 24,996 ( 0.00%) => ???:::is_multiline (48x) . . // Suggest removing each argument only once, for example in `format!("{0} {0}", arg)`. . fixes.sort_unstable_by_key(|(span, _)| *span); . fixes.dedup_by_key(|(span, _)| *span); . 220 ( 0.00%) span_lint_and_then( 56,648 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/diagnostics.rs:clippy_utils::diagnostics::span_lint_and_then::::check_uninlined_args::{closure#3}> (22x) . self.cx, . UNINLINED_FORMAT_ARGS, 22 ( 0.00%) self.macro_call.span, . "variables can be used directly in the `format!` string", 132 ( 0.00%) |diag| { . diag.multipart_suggestion_with_style( . "change this to", . fixes, . Applicability::MachineApplicable, . if multiline_fix { CompletelyHidden } else { ShowCode }, . ); . }, . ); 22 ( 0.00%) } . . fn check_one_arg(&self, pos: &FormatArgPosition, usage: FormatParamUsage, fixes: &mut Vec<(Span, String)>) -> bool { 53 ( 0.00%) let index = pos.index.unwrap(); 212 ( 0.00%) let arg = &self.format_args.arguments.all_args()[index]; . 106 ( 0.00%) if !matches!(arg.kind, FormatArgumentKind::Captured(_)) 217 ( 0.00%) && let rustc_ast::ExprKind::Path(None, path) = &arg.expr.kind 58 ( 0.00%) && let [segment] = path.segments.as_slice() 29 ( 0.00%) && segment.args.is_none() 116 ( 0.00%) && let Some(arg_span) = format_arg_removal_span(self.format_args, index) 4,511 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::format_arg_removal_span (29x) 87 ( 0.00%) && let Some(pos_span) = pos.span . { 58 ( 0.00%) let replacement = match usage { . FormatParamUsage::Argument => segment.ident.name.to_string(), . FormatParamUsage::Width => format!("{}$", segment.ident.name), . FormatParamUsage::Precision => format!(".{}$", segment.ident.name), . }; 174 ( 0.00%) fixes.push((pos_span, replacement)); 116 ( 0.00%) fixes.push((arg_span, String::new())); . true // successful inlining, continue checking . } else { . // Do not continue inlining (return false) in case . // * if we can't inline a numbered argument, e.g. `print!("{0} ...", foo.bar, ...)` . // * if allow_mixed_uninlined_format_args is false and this arg hasn't been inlined already . pos.kind != FormatArgPositionKind::Number 120 ( 0.00%) && (!self.ignore_mixed || matches!(arg.kind, FormatArgumentKind::Captured(_))) . } . } . . fn check_format_in_format_args(&self, name: Symbol, arg: &Expr<'_>) { . let expn_data = arg.span.ctxt().outer_expn_data(); 112 ( 0.00%) if expn_data.call_site.from_expansion() { . return; . } 224 ( 0.00%) let Some(mac_id) = expn_data.macro_def_id else { return }; 280 ( 0.00%) if !self.cx.tcx.is_diagnostic_item(sym::format_macro, mac_id) { 2,464 ( 0.00%) => ???:::is_diagnostic_item (56x) . return; . } . span_lint_and_then( . self.cx, . FORMAT_IN_FORMAT_ARGS, . self.macro_call.span, . format!("`format!` in `{name}!` args"), . |diag| { -- line 674 ---------------------------------------- -- line 677 ---------------------------------------- . )); . diag.help("or consider changing `format!` to `format_args!`"); . }, . ); . } . . fn check_to_string_in_format_args(&self, name: Symbol, value: &Expr<'_>) { . let cx = self.cx; 168 ( 0.00%) if !value.span.from_expansion() 24 ( 0.00%) && let ExprKind::MethodCall(_, receiver, [], to_string_span) = value.kind 24 ( 0.00%) && cx . .typeck_results() 36 ( 0.00%) .type_dependent_def_id(value.hir_id) 612 ( 0.00%) => ???:::type_dependent_def_id (12x) 12 ( 0.00%) .opt_parent(cx) . .is_diag_item(cx, sym::ToString) . && let receiver_ty = cx.typeck_results().expr_ty(receiver) . && let Some(display_trait_id) = cx.tcx.get_diagnostic_item(sym::Display) . && let (n_needed_derefs, target) = . count_needed_derefs(receiver_ty, cx.typeck_results().expr_adjustments(receiver).iter()) . && implements_trait(cx, target, display_trait_id, &[]) . && let Some(sized_trait_id) = cx.tcx.lang_items().sized_trait() . && let Some(receiver_snippet) = receiver.span.source_callsite().get_text(cx) -- line 698 ---------------------------------------- -- line 722 ---------------------------------------- . ), . Applicability::MachineApplicable, . ); . } . } . } . . fn check_unnecessary_debug_formatting(&self, name: Symbol, value: &Expr<'tcx>) { 4 ( 0.00%) let cx = self.cx; 36 ( 0.00%) if !is_in_test(cx.tcx, value.hir_id) 11,904 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_test (4x) 8 ( 0.00%) && !value.span.from_expansion() 8 ( 0.00%) && !is_from_proc_macro(cx, value) 8 ( 0.00%) && let ty = cx.typeck_results().expr_ty(value) 160 ( 0.00%) => ???:::expr_ty (4x) . && self.can_display_format(ty) . { . // If the parent function is a method of `Debug`, we don't want to lint . // because it is likely that the user wants to use `Debug` formatting. . let parent_fn = cx.tcx.hir_get_parent_item(value.hir_id); . if let Some(trait_ref) = trait_ref_of_method(cx, parent_fn) . && let Some(trait_def_id) = trait_ref.trait_def_id() . && cx.tcx.is_diagnostic_item(sym::Debug, trait_def_id) -- line 742 ---------------------------------------- -- line 760 ---------------------------------------- . be removed", . ); . }, . ); . } . } . . fn format_arg_positions(&self) -> impl Iterator { 837 ( 0.00%) self.format_args.template.iter().flat_map(|piece| match piece { . FormatArgsPiece::Placeholder(placeholder) => { . let mut positions = ArrayVec::<_, 3>::new(); . . positions.push((&placeholder.argument, FormatParamUsage::Argument)); 846 ( 0.00%) if let Some(FormatCount::Argument(position)) = &placeholder.format_options.width { . positions.push((position, FormatParamUsage::Width)); . } 426 ( 0.00%) if let Some(FormatCount::Argument(position)) = &placeholder.format_options.precision { . positions.push((position, FormatParamUsage::Precision)); . } . 1,136 ( 0.00%) positions . }, . FormatArgsPiece::Literal(_) => ArrayVec::new(), . }) . } . . /// Returns true if the format argument at `index` is referred to by multiple format params . fn is_aliased(&self, index: usize) -> bool { . self.format_arg_positions() -- line 788 ---------------------------------------- -- line 789 ---------------------------------------- . .filter(|(position, _)| position.index == Ok(index)) . .at_most_one() . .is_err() . } . . fn can_display_format(&self, ty: Ty<'tcx>) -> bool { . let ty = ty.peel_refs(); . 4 ( 0.00%) if let Some(msrv) = self.ty_msrv_map.get(&ty) . && msrv.is_none_or(|msrv| self.msrv.meets(self.cx, msrv)) . { . return true; . } . . // Even if `ty` is not in `self.ty_msrv_map`, check whether `ty` implements `Deref` with . // a `Target` that is in `self.ty_msrv_map`. 16 ( 0.00%) if let Some(deref_trait_id) = self.cx.tcx.lang_items().deref_trait() 120 ( 0.00%) => ???:::lang_items (4x) 36 ( 0.00%) && implements_trait(self.cx, ty, deref_trait_id, &[]) 4,200 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::implements_trait (4x) 28 ( 0.00%) && let Some(target_ty) = self.cx.get_associated_type(ty, deref_trait_id, sym::Target) 4,942 ( 0.00%) => ???:::get_associated_type (4x) . && let Some(msrv) = self.ty_msrv_map.get(&target_ty) . && msrv.is_none_or(|msrv| self.msrv.meets(self.cx, msrv)) . { . return true; . } . . false . } . 40 ( 0.00%) fn has_pointer_debug(&mut self, ty: Ty<'tcx>, depth: usize) -> bool { 4 ( 0.00%) let cx = self.cx; 8 ( 0.00%) let tcx = cx.tcx; 8 ( 0.00%) if !tcx.recursion_limit().value_within_limit(depth) { 120 ( 0.00%) => ???:::recursion_limit (4x) . return false; . } 12 ( 0.00%) let depth = depth + 1; 12 ( 0.00%) let typing_env = cx.typing_env(); 120 ( 0.00%) => ???:::typing_env (4x) 4 ( 0.00%) let ty = tcx.normalize_erasing_regions(typing_env, Unnormalized::new_wip(ty)); 32 ( 0.00%) match ty.kind() { . ty::RawPtr(..) | ty::FnPtr(..) | ty::FnDef(..) => true, . ty::Ref(_, t, _) | ty::Slice(t) | ty::Array(t, _) => self.has_pointer_debug(*t, depth), . ty::Tuple(ts) => ts.iter().any(|t| self.has_pointer_debug(t, depth)), . ty::Adt(adt, args) => { 4 ( 0.00%) match self.has_pointer_format.entry(ty) { 3 ( 0.00%) Entry::Occupied(o) => return *o.get(), . Entry::Vacant(v) => v.insert(false), . }; 1 ( 0.00%) let derived_debug = if let Some(&known) = self.has_derived_debug.get(&ty) { . known . } else { 5 ( 0.00%) let Some(trait_id) = tcx.get_diagnostic_item(sym::Debug) else { 72 ( 0.00%) => ???:::get_diagnostic_item (1x) . return false; . }; 7 ( 0.00%) let (infcx, param_env) = tcx.infer_ctxt().build_with_typing_env(typing_env); 125 ( 0.00%) => ???:0x0000000000173dc0 (1x) 112 ( 0.00%) => ???:::build_with_typing_env (1x) 6 ( 0.00%) let trait_ref = TraitRef::new(tcx, trait_id, [GenericArg::from(ty)]); 117 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_type_ir/src/predicate.rs:>::new::<[rustc_middle::ty::Ty; 1]> (1x) 6 ( 0.00%) let obligation = Obligation { . cause: ObligationCause::dummy(), . param_env, . recursion_depth: 0, . predicate: trait_ref.upcast(tcx), . }; 2 ( 0.00%) let selection = SelectionContext::new(&infcx).select(&obligation); 1,550 ( 0.00%) => ???:::select (1x) 17 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (1x) 8 ( 0.00%) let derived = if let Ok(Some(Selection::UserDefined(data))) = selection { 6 ( 0.00%) find_attr!(tcx, data.impl_def_id, AutomaticallyDerived) 1,224 ( 0.00%) => ???:>::get_attrs (1x) . } else { . false . }; 1 ( 0.00%) self.has_derived_debug.insert(ty, derived); . derived 5 ( 0.00%) }; 250 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (1x) 2 ( 0.00%) let pointer_debug = derived_debug . && adt.all_fields().any(|f| { . self.has_pointer_debug(tcx.normalize_erasing_regions(typing_env, f.ty(tcx, args)), depth) . }); 1 ( 0.00%) self.has_pointer_format.insert(ty, pointer_debug); . pointer_debug 1 ( 0.00%) }, . _ => false, . } 32 ( 0.00%) } . } . . fn make_ty_msrv_map(tcx: TyCtxt<'_>) -> FxHashMap, Option> { . [(sym::OsStr, Some(msrvs::OS_STR_DISPLAY)), (sym::Path, None)] . .into_iter() . .filter_map(|(name, feature)| { 6 ( 0.00%) tcx.get_diagnostic_item(name).map(|def_id| { 144 ( 0.00%) => ???:::get_diagnostic_item (2x) . let ty = Ty::new_adt(tcx, tcx.adt_def(def_id), List::empty()); . (ty, feature) . }) . }) . .collect() . } . . fn count_needed_derefs<'tcx, I>(mut ty: Ty<'tcx>, mut iter: I) -> (usize, Ty<'tcx>) -- line 882 ---------------------------------------- 1,779 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/redundant_slicing.rs -------------------------------------------------------------------------------- Ir -- line 67 ---------------------------------------- . } . . declare_lint_pass!(RedundantSlicing => [DEREF_BY_SLICING, REDUNDANT_SLICING]); . . static REDUNDANT_SLICING_LINT: (&Lint, &str) = (REDUNDANT_SLICING, "redundant slicing of the whole range"); . static DEREF_BY_SLICING_LINT: (&Lint, &str) = (DEREF_BY_SLICING, "slicing when dereferencing would work"); . . impl<'tcx> LateLintPass<'tcx> for RedundantSlicing { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,090 ( 0.00%) if expr.span.from_expansion() { . return; . } . 10,167 ( 0.00%) let ctxt = expr.span.ctxt(); 23,084 ( 0.00%) if let ExprKind::AddrOf(BorrowKind::Ref, mutability, addressee) = expr.kind 1,100 ( 0.00%) && addressee.span.ctxt() == ctxt 1,122 ( 0.00%) && let ExprKind::Index(indexed, range, _) = addressee.kind 23 ( 0.00%) && cx . .typeck_results() 46 ( 0.00%) .expr_ty_adjusted(range) 1,623 ( 0.00%) => ???:::expr_ty_adjusted (23x) . .is_lang_item(cx, LangItem::RangeFull) . { 60 ( 0.00%) let (expr_ty, expr_ref_count, _) = peel_and_count_ty_refs(cx.typeck_results().expr_ty(expr)); 240 ( 0.00%) => ???:::expr_ty (6x) 114 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::peel_and_count_ty_refs (6x) 60 ( 0.00%) let (indexed_ty, indexed_ref_count, _) = peel_and_count_ty_refs(cx.typeck_results().expr_ty(indexed)); 240 ( 0.00%) => ???:::expr_ty (6x) 114 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::peel_and_count_ty_refs (6x) 6 ( 0.00%) let parent_expr = get_parent_expr(cx, expr); 594 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (6x) . let needs_parens_for_prefix = 24 ( 0.00%) parent_expr.is_some_and(|parent| cx.precedence(parent) > ExprPrecedence::Prefix); 144 ( 0.00%) => ???:::precedence (6x) . 6 ( 0.00%) if expr_ty == indexed_ty { 6 ( 0.00%) if expr_ref_count > indexed_ref_count { . // Indexing takes self by reference and can't return a reference to that . // reference as it's a local variable. The only way this could happen is if . // `self` contains a reference to the `Self` type. If this occurs then the . // lint no longer applies as it's essentially a field access, which is not . // redundant. . return; . } . let deref_count = indexed_ref_count - expr_ref_count; -- line 104 ---------------------------------------- -- line 134 ---------------------------------------- . let snip = snippet_with_context(cx, indexed.span, ctxt, "..", &mut app).0; . let sugg = if (deref_count != 0 || !reborrow_str.is_empty()) && needs_parens_for_prefix { . format!("({reborrow_str}{}{snip})", "*".repeat(deref_count)) . } else { . format!("{reborrow_str}{}{snip}", "*".repeat(deref_count)) . }; . diag.span_suggestion(expr.span, help_msg, sugg, app); . }); 24 ( 0.00%) } else if let Some(target_id) = cx.tcx.lang_items().deref_target() 180 ( 0.00%) => ???:::lang_items (6x) 42 ( 0.00%) && let Ok(deref_ty) = cx.tcx.try_normalize_erasing_regions( 25,283 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs:::try_normalize_erasing_regions:: (6x) 12 ( 0.00%) cx.typing_env(), 180 ( 0.00%) => ???:::typing_env (6x) . Unnormalized::new_wip(Ty::new_projection_from_args( 12 ( 0.00%) cx.tcx, . ty::IsRigid::No, . target_id, 30 ( 0.00%) cx.tcx.mk_args(&[GenericArg::from(indexed_ty)]), 504 ( 0.00%) => ???:::mk_args (6x) . )), . ) . && deref_ty == expr_ty . { . let (lint, msg) = DEREF_BY_SLICING_LINT; 126 ( 0.00%) span_lint_and_then(cx, lint, expr.span, msg, |diag| { 8,286 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/diagnostics.rs:clippy_utils::diagnostics::span_lint_and_then::::check_expr::{closure#3}> (6x) . let mut app = Applicability::MachineApplicable; . let snip = snippet_with_context(cx, indexed.span, ctxt, "..", &mut app).0; . let sugg = if needs_parens_for_prefix { . format!("(&{}{}*{snip})", mutability.prefix_str(), "*".repeat(indexed_ref_count)) . } else { . format!("&{}{}*{snip}", mutability.prefix_str(), "*".repeat(indexed_ref_count)) . }; . diag.span_suggestion(expr.span, "dereference the original value instead", sugg, app); . }); . } . } 416,360 ( 0.01%) } . } 42,974 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/let_underscore.rs -------------------------------------------------------------------------------- Ir -- line 130 ---------------------------------------- . declare_lint_pass!(LetUnderscore => [ . LET_UNDERSCORE_FUTURE, . LET_UNDERSCORE_LOCK, . LET_UNDERSCORE_MUST_USE, . LET_UNDERSCORE_UNTYPED, . ]); . . impl<'tcx> LateLintPass<'tcx> for LetUnderscore { 15,064 ( 0.00%) fn check_local(&mut self, cx: &LateContext<'tcx>, local: &LetStmt<'tcx>) { 4,304 ( 0.00%) if matches!(local.source, LocalSource::Normal) 6,456 ( 0.00%) && let PatKind::Wild = local.pat.kind 222 ( 0.00%) && let Some(init) = local.init 504 ( 0.00%) && !local.span.in_external_macro(cx.tcx.sess.source_map()) . { 1 ( 0.00%) let init_ty = cx.typeck_results().expr_ty(init); 40 ( 0.00%) => ???:::expr_ty (1x) 2 ( 0.00%) let contains_sync_guard = init_ty.walk().any(|inner| match inner.kind() { 7 ( 0.00%) => ???:::walk (1x) . GenericArgKind::Type(inner_ty) => inner_ty . .ty_adt_def() . .is_some_and(|adt| paths::PARKING_LOT_GUARDS.iter().any(|path| path.matches(cx, adt.did()))), . GenericArgKind::Lifetime(_) | GenericArgKind::Const(_) => false, . }); 1 ( 0.00%) if contains_sync_guard { . #[expect(clippy::collapsible_span_lint_calls, reason = "rust-clippy#7797")] . span_lint_and_then( . cx, . LET_UNDERSCORE_LOCK, . local.span, . "non-binding `let` on a synchronization lock", . |diag| { . diag.help( . "consider using an underscore-prefixed named \ . binding or dropping explicitly with `std::mem::drop`", . ); . }, . ); 1 ( 0.00%) } else if local.ty.is_none() 3 ( 0.00%) && let Some(future_trait_def_id) = cx.tcx.lang_items().future_trait() 30 ( 0.00%) => ???:::lang_items (1x) 11 ( 0.00%) && implements_trait(cx, cx.typeck_results().expr_ty(init), future_trait_def_id, &[]) 25,279 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::implements_trait (1x) 40 ( 0.00%) => ???:::expr_ty (1x) . { . #[expect(clippy::collapsible_span_lint_calls, reason = "rust-clippy#7797")] . span_lint_and_then( . cx, . LET_UNDERSCORE_FUTURE, . local.span, . "non-binding `let` on a future", . |diag| { . diag.help("consider awaiting the future or dropping explicitly with `std::mem::drop`"); . }, . ); 13 ( 0.00%) } else if let Some(must_use_path) = opt_must_use_path(cx, cx.typeck_results().expr_ty(init)) { 889 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::opt_must_use_path (1x) 40 ( 0.00%) => ???:::expr_ty (1x) 9 ( 0.00%) span_lint_and_then( 2,889 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/diagnostics.rs:clippy_utils::diagnostics::span_lint_and_then::::check_local::{closure#3}> (1x) . cx, . LET_UNDERSCORE_MUST_USE, . local.span, . "non-binding `let` on an expression with `#[must_use]` type", 5 ( 0.00%) |diag| { . diag.help("consider explicitly using expression value"); . let ty_span = local.ty.map_or(init.span, |ty| ty.span); . diag.span_note( . ty_span, . format!("type is {}", describe_must_use_type(cx, &must_use_path)), . ); . }, . ); 1 ( 0.00%) } else if is_must_use_func_call(cx, init) { 15 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (1x) . #[expect(clippy::collapsible_span_lint_calls, reason = "rust-clippy#7797")] . span_lint_and_then( . cx, . LET_UNDERSCORE_MUST_USE, . local.span, . "non-binding `let` on a result of a `#[must_use]` function", . |diag| { . diag.help("consider explicitly using function result"); . }, . ); . } . 4 ( 0.00%) if local.pat.default_binding_modes && local.ty.is_none() { . // When `default_binding_modes` is true, the `let` keyword is present. . . // Ignore unnameable types . if let Some(init) = local.init 3 ( 0.00%) && !cx.typeck_results().expr_ty(init).is_suggestable(cx.tcx, true) 40 ( 0.00%) => ???:::expr_ty (1x) . { . return; . } . . // Ignore if it is from a procedural macro... 4 ( 0.00%) if is_from_proc_macro(cx, init) { 849 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/check_proc_macro.rs:clippy_utils::check_proc_macro::is_from_proc_macro:: (1x) . return; . } . 10 ( 0.00%) span_lint_and_then( 2,901 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/diagnostics.rs:clippy_utils::diagnostics::span_lint_and_then::::check_local::{closure#5}> (1x) . cx, . LET_UNDERSCORE_UNTYPED, . local.span, . "non-binding `let` without a type annotation", . |diag| { . diag.span_help( . Span::new( . local.pat.span.hi(), -- line 230 ---------------------------------------- -- line 233 ---------------------------------------- . local.pat.span.parent(), . ), . "consider adding a type annotation", . ); . }, . ); . } . } 17,216 ( 0.00%) } . } 2,309 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/double_parens.rs -------------------------------------------------------------------------------- Ir -- line 36 ---------------------------------------- . pub DOUBLE_PARENS, . complexity, . "Warn on unnecessary double parentheses" . } . . declare_lint_pass!(DoubleParens => [DOUBLE_PARENS]); . . impl EarlyLintPass for DoubleParens { 345,730 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 306,034 ( 0.01%) match &expr.kind { . // ((..)) . // ^^^^^^ expr . // ^^^^ inner . ExprKind::Paren(inner) 60 ( 0.00%) if matches!(inner.kind, ExprKind::Paren(_) | ExprKind::Tup(_)) . && expr.span.eq_ctxt(inner.span) . && !expr.span.in_external_macro(cx.sess().source_map()) . && check_source(cx, inner) => . { . // suggest removing the outer parens . . let mut applicability = Applicability::MachineApplicable; . // We don't need to use `snippet_with_context` here, because: -- line 58 ---------------------------------------- -- line 69 ---------------------------------------- . applicability, . ); . }, . . // func((n)) . // ^^^^^^^^^ expr . // ^^^ arg . // ^ inner 1,594 ( 0.00%) ExprKind::Call(_, args) | ExprKind::MethodCall(MethodCall { args, .. }) 21,442 ( 0.00%) if let [arg] = &**args 11,076 ( 0.00%) && let ExprKind::Paren(inner) = &arg.kind . && expr.span.eq_ctxt(arg.span) . && !arg.span.in_external_macro(cx.sess().source_map()) . && check_source(cx, arg) => . { . // suggest removing the inner parens . . let mut applicability = Applicability::MachineApplicable; . let sugg = snippet_with_context(cx.sess(), inner.span, arg.span.ctxt(), "_", &mut applicability).0; -- line 87 ---------------------------------------- -- line 92 ---------------------------------------- . "unnecessary parentheses", . "remove them", . sugg.to_string(), . applicability, . ); . }, . _ => {}, . } 395,120 ( 0.01%) } . } . . /// Check that the span does indeed look like `( (..) )` . fn check_source(cx: &EarlyContext<'_>, inner: &Expr) -> bool { . if let Some(sfr) = inner.span.get_source_range(cx) . // this is the same as `SourceFileRange::as_str`, but doesn't apply the range right away, because . // we're interested in the source code outside it . && let Some(src) = sfr.sf.src.as_ref().map(|src| src.as_str()) -- line 108 ---------------------------------------- 3,692 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs -------------------------------------------------------------------------------- Ir . use clippy_utils::diagnostics::span_lint_and_then; . use rustc_hir::{Pat, PatKind, QPath}; . use rustc_lint::LateContext; . use rustc_middle::ty; . . use super::REST_PAT_IN_FULLY_BOUND_STRUCTS; . 37,058 ( 0.00%) pub(crate) fn check(cx: &LateContext<'_>, pat: &Pat<'_>) { 10,588 ( 0.00%) if !pat.span.from_expansion() 6,264 ( 0.00%) && let PatKind::Struct(QPath::Resolved(_, path), fields, Some(dotdot)) = pat.kind . && let Some(def_id) = path.res.opt_def_id() 13 ( 0.00%) && let ty = cx.tcx.type_of(def_id).instantiate_identity().skip_norm_wip() 26 ( 0.00%) && let ty::Adt(def, _) = ty.kind() 39 ( 0.00%) && (def.is_struct() || def.is_union()) 24 ( 0.00%) && fields.len() == def.non_enum_variant().fields.len() 64 ( 0.00%) => ???:::non_enum_variant (8x) . && !def.non_enum_variant().is_field_list_non_exhaustive() . { . span_lint_and_then( . cx, . REST_PAT_IN_FULLY_BOUND_STRUCTS, . pat.span, . "unnecessary use of `..` pattern in struct binding. All fields were already bound", . |diag| { -- line 23 ---------------------------------------- -- line 25 ---------------------------------------- . dotdot, . "consider removing `..` from this binding", . "", . rustc_errors::Applicability::MachineApplicable, . ); . }, . ); . } 42,352 ( 0.00%) } 26 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/needless_bool.rs -------------------------------------------------------------------------------- Ir -- line 118 ---------------------------------------- . return true; . } . inner = i; . } . false . } . . impl<'tcx> LateLintPass<'tcx> for NeedlessBool { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { . use self::Expression::{Bool, RetBool}; 104,090 ( 0.00%) if !e.span.from_expansion() . && let Some(higher::If { . cond, . then, . r#else: Some(else_expr), . }) = higher::If::hir(e) 222 ( 0.00%) && !span_contains_comment(cx, e.span) . { . let reduce = |ret, not| { . span_lint_and_then( . cx, . NEEDLESS_BOOL, . e.span, . "this if-then-else expression returns a bool literal", . |diag| { -- line 142 ---------------------------------------- -- line 159 ---------------------------------------- . { . snip = snip.maybe_paren(); . } . . diag.span_suggestion(e.span, "you can reduce it to", snip.to_string(), applicability); . }, . ); . }; 224 ( 0.00%) if let Some(a) = fetch_bool_block(then) 2,206 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_lints::needless_bool::fetch_bool_block (56x) . && let Some(b) = fetch_bool_block(else_expr) . { . match (a, b) { . (RetBool(true), RetBool(true)) | (Bool(true), Bool(true)) => { . span_lint( . cx, . NEEDLESS_BOOL, . e.span, -- line 175 ---------------------------------------- -- line 186 ---------------------------------------- . }, . (RetBool(true), RetBool(false)) => reduce(true, false), . (Bool(true), Bool(false)) => reduce(false, false), . (RetBool(false), RetBool(true)) => reduce(true, true), . (Bool(false), Bool(true)) => reduce(false, true), . _ => (), . } . } 281 ( 0.00%) if let Some((lhs_a, a)) = fetch_assign(then) 1,194 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_lints::needless_bool::fetch_assign (56x) 4 ( 0.00%) && let Some((lhs_b, b)) = fetch_assign(else_expr) 7 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_lints::needless_bool::fetch_assign (1x) . && SpanlessEq::new(cx).eq_expr(SyntaxContext::root(), lhs_a, lhs_b) . { . let mut applicability = Applicability::MachineApplicable; . let cond = Sugg::hir_with_context(cx, cond, e.span.ctxt(), "..", &mut applicability); . let (lhs, _) = snippet_with_context(cx, lhs_a.span, e.span.ctxt(), "..", &mut applicability); . let mut sugg = if a == b { . format!("{cond}; {lhs} = {a:?};") . } else { -- line 203 ---------------------------------------- -- line 214 ---------------------------------------- . e.span, . "this if-then-else expression assigns a bool literal", . "you can reduce it to", . sugg, . applicability, . ); . } . } 416,360 ( 0.01%) } . 17,318 ( 0.00%) fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) { . // Detect the early-return form: . // if c { . // return Ok(true); . // } . // Ok(false) . // and reduce it to `Ok(c)`. The optional `Ok(..)` wrapper can be any tuple-like . // constructor (or absent), as long as the guard and the trailing expression use the . // same one. Constructors are pure, so folding the condition in keeps the behavior. 7,422 ( 0.00%) if let Some(tail) = block.expr 3,820 ( 0.00%) && !tail.span.from_expansion() 1,563 ( 0.00%) && let [.., last_stmt] = block.stmts 576 ( 0.00%) && let StmtKind::Semi(if_expr) | StmtKind::Expr(if_expr) = last_stmt.kind 144 ( 0.00%) && !if_expr.span.from_expansion() . && let Some(higher::If { . cond, . then, . r#else: None, . }) = higher::If::hir(if_expr) 23 ( 0.00%) && let ExprKind::Ret(Some(ret)) = peel_blocks_with_stmt(then).kind 88 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::peel_blocks_with_stmt (5x) . && let Some((then_func, then_val)) = fetch_bool_and_wrapper(ret) . && let Some((tail_func, tail_val)) = fetch_bool_and_wrapper(tail) . // `if c { return Ok(true) } Ok(true)` is always the same value; the condition might . // have side effects, so don't touch it. Comparing the values here is cheap, so do it . // before the constructor resolution in `wrapper_ctors_match`, which needs `qpath_res`. . && then_val != tail_val . && wrapper_ctors_match(cx, then_func, tail_func) . { -- line 251 ---------------------------------------- -- line 274 ---------------------------------------- . NEEDLESS_BOOL, . span, . "this `if` guard returns a bool literal and is followed by another", . "you can reduce it to", . sugg, . applicability, . ); . } 19,792 ( 0.00%) } . } . . /// Returns the optional constructor call wrapping a bool literal (e.g. the `Ok` in `Ok(true)`) . /// along with the bool value. The constructor is returned as the unresolved callee expression; . /// resolving it to a `DefId` (via [`wrapper_ctors_match`]) needs `qpath_res`, which is . /// comparatively expensive, so callers should only do that once the cheap bool-value comparison . /// has passed. A bare bool literal yields `None`. . fn fetch_bool_and_wrapper<'tcx>(expr: &'tcx Expr<'tcx>) -> Option<(Option<&'tcx Expr<'tcx>>, bool)> { -- line 290 ---------------------------------------- -- line 319 ---------------------------------------- . } . . enum Expression { . Bool(bool), . RetBool(bool), . } . . fn fetch_bool_block(expr: &Expr<'_>) -> Option { 168 ( 0.00%) match peel_blocks_with_stmt(expr).kind { . ExprKind::Ret(Some(ret)) => Some(Expression::RetBool(fetch_bool_expr(ret)?)), . _ => Some(Expression::Bool(fetch_bool_expr(expr)?)), . } 56 ( 0.00%) } . . fn fetch_bool_expr(expr: &Expr<'_>) -> Option { 1 ( 0.00%) if let ExprKind::Lit(lit_ptr) = peel_blocks(expr).kind 8 ( 0.00%) && let LitKind::Bool(value) = lit_ptr.node . { . return Some(value); . } . None . } . . fn fetch_assign<'tcx>(expr: &'tcx Expr<'tcx>) -> Option<(&'tcx Expr<'tcx>, bool)> { 228 ( 0.00%) if let ExprKind::Assign(lhs, rhs, _) = peel_blocks_with_stmt(expr).kind { . fetch_bool_expr(rhs).map(|b| (lhs, b)) . } else { . None . } 57 ( 0.00%) } . . fn is_as_argument(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { . matches!(get_parent_expr(cx, e).map(|e| e.kind), Some(ExprKind::Cast(_, _))) . } . . fn is_operand_of_binary_or_unary(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { . matches!( . get_parent_expr(cx, e).map(|e| e.kind), -- line 356 ---------------------------------------- 1,967 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/types/mod.rs -------------------------------------------------------------------------------- Ir -- line 406 ---------------------------------------- . . pub struct Types { . vec_box_size_threshold: u64, . type_complexity_threshold: u64, . avoid_breaking_exported_api: bool, . } . . impl<'tcx> LateLintPass<'tcx> for Types { 5,064 ( 0.00%) fn check_fn( . &mut self, . cx: &LateContext<'tcx>, . fn_kind: FnKind<'_>, . decl: &FnDecl<'tcx>, . _: &Body<'_>, . _: Span, . def_id: LocalDefId, . ) { 2,091 ( 0.00%) let is_in_trait_impl = if let hir::Node::Item(item) = cx . .tcx 844 ( 0.00%) .hir_node_by_def_id(cx.tcx.hir_get_parent_item(cx.tcx.local_def_id_to_hir_id(def_id)).def_id) 28,973 ( 0.00%) => ???:::hir_get_parent_item (422x) . { 1,235 ( 0.00%) matches!(item.kind, ItemKind::Impl(hir::Impl { of_trait: Some(_), .. })) . } else { . false . }; . 844 ( 0.00%) let is_exported = cx.effective_visibilities.is_exported(def_id); 22,086 ( 0.00%) => ???:::is_exported (422x) . 786 ( 0.00%) self.check_fn_decl( . cx, . decl, . CheckTyContext { . is_in_trait_impl, 1,688 ( 0.00%) in_body: matches!(fn_kind, FnKind::Closure), . is_exported, . ..CheckTyContext::default() . }, . ); 3,376 ( 0.00%) } . . fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { 1,794 ( 0.00%) let is_exported = cx.effective_visibilities.is_exported(item.owner_id.def_id); 32,340 ( 0.00%) => ???:::is_exported (598x) . 2,986 ( 0.00%) match item.kind { 190 ( 0.00%) ItemKind::Static(_, _, ty, _) | ItemKind::Const(_, _, ty, _) => self.check_ty( 31,969 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/types/mod.rs:::check_ty (38x) . cx, . ty, . CheckTyContext { . is_exported, . ..CheckTyContext::default() . }, . ), . // functions, enums, structs, impls and traits are covered . _ => (), . } . } . 1,001 ( 0.00%) fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'tcx>) { 286 ( 0.00%) match item.kind { . ImplItemKind::Const(ty, _) => { . let is_in_trait_impl = if let hir::Node::Item(item) = cx . .tcx . .hir_node_by_def_id(cx.tcx.hir_get_parent_item(item.hir_id()).def_id) . { . matches!(item.kind, ItemKind::Impl(hir::Impl { of_trait: Some(_), .. })) . } else { . false -- line 472 ---------------------------------------- -- line 481 ---------------------------------------- . }, . ); . }, . // Methods are covered by check_fn. . // Type aliases are ignored because oftentimes it's impossible to . // make type alias declaration in trait simpler, see #1013 . ImplItemKind::Fn(..) | ImplItemKind::Type(..) => (), . } 1,144 ( 0.00%) } . . fn check_field_def(&mut self, cx: &LateContext<'tcx>, field: &hir::FieldDef<'tcx>) { 256 ( 0.00%) if field.span.from_expansion() { . return; . } . 384 ( 0.00%) let is_exported = cx.effective_visibilities.is_exported(field.def_id); 7,135 ( 0.00%) => ???:::is_exported (128x) . 640 ( 0.00%) self.check_ty( 152,753 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/types/mod.rs:::check_ty (128x) . cx, 128 ( 0.00%) field.ty, . CheckTyContext { . is_exported, . ..CheckTyContext::default() . }, . ); . } . . fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &TraitItem<'tcx>) { -- line 508 ---------------------------------------- -- line 524 ---------------------------------------- . self.check_fn_decl(cx, sig.decl, context); . } . }, . TraitItemKind::Type(..) => (), . } . } . . fn check_local(&mut self, cx: &LateContext<'tcx>, local: &LetStmt<'tcx>) { 6,456 ( 0.00%) if let Some(ty) = local.ty { 363 ( 0.00%) self.check_ty( 7,903 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/types/mod.rs:::check_ty (121x) . cx, . ty, . CheckTyContext { . in_body: true, . ..CheckTyContext::default() . }, . ); . } . } . } . . impl Types { . pub fn new(conf: &'static Conf) -> Self { . Self { 2 ( 0.00%) vec_box_size_threshold: conf.vec_box_size_threshold, 1 ( 0.00%) type_complexity_threshold: conf.type_complexity_threshold, 1 ( 0.00%) avoid_breaking_exported_api: conf.avoid_breaking_exported_api, . } . } . . fn check_fn_decl<'tcx>(&mut self, cx: &LateContext<'tcx>, decl: &FnDecl<'tcx>, context: CheckTyContext) { . // Ignore functions in trait implementations as they are usually forced by the trait definition. . // . // FIXME: ideally we would like to warn *if the complicated type can be simplified*, but it's hard . // to check. 1,266 ( 0.00%) if context.is_in_trait_impl { . return; . } . 393 ( 0.00%) for input in decl.inputs { 2,720 ( 0.00%) self.check_ty(cx, input, context); 481,793 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/types/mod.rs:::check_ty (680x) . } . 990 ( 0.00%) if let FnRetTy::Return(ty) = decl.output { 816 ( 0.00%) self.check_ty(cx, ty, context); 245,574 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/types/mod.rs:::check_ty (204x) . } . } . . /// Recursively check for `TypePass` lints in the given type. Stop at the first . /// lint found. . /// . /// The parameter `is_local` distinguishes the context of the type. 14,707 ( 0.00%) fn check_ty<'tcx>(&mut self, cx: &LateContext<'tcx>, hir_ty: &hir::Ty<'tcx>, mut context: CheckTyContext) { 7,636 ( 0.00%) if hir_ty.span.from_expansion() { . return; . } . . // Skip trait implementations; see issue #605. . if context.is_in_trait_impl { . return; . } . 3,511 ( 0.00%) if !context.is_nested_call && type_complexity::check(cx, hir_ty, self.type_complexity_threshold) { . return; . } . 13,522 ( 0.00%) match hir_ty.kind { 3,210 ( 0.00%) TyKind::Path(ref qpath) if !context.in_body => { 2,112 ( 0.00%) let hir_id = hir_ty.hir_id; 3,168 ( 0.00%) let res = cx.qpath_res(qpath, hir_id); 20,677 ( 0.00%) => ???:::qpath_res (899x) . if let Some(def_id) = res.opt_def_id() . && self.is_type_change_allowed(context) . { . // All lints that are being checked in this block are guarded by . // the `avoid_breaking_exported_api` configuration. When adding a . // new lint, please also add the name to the configuration documentation . // in `clippy_config::conf` . . let mut triggered = false; 5,082 ( 0.00%) triggered |= box_collection::check(cx, hir_ty, qpath, def_id); 38,909 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/box_collection.rs:clippy_lints::types::box_collection::check (694x) 6,776 ( 0.00%) triggered |= redundant_allocation::check(cx, hir_ty, qpath, def_id); 79,054 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/redundant_allocation.rs:clippy_lints::types::redundant_allocation::check (694x) 5,929 ( 0.00%) triggered |= rc_buffer::check(cx, hir_ty, qpath, def_id); 53,298 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/rc_buffer.rs:clippy_lints::types::rc_buffer::check (694x) 7,623 ( 0.00%) triggered |= vec_box::check(cx, hir_ty, qpath, def_id, self.vec_box_size_threshold); 54,255 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/vec_box.rs:clippy_lints::types::vec_box::check (694x) 5,929 ( 0.00%) triggered |= option_option::check(cx, hir_ty, qpath, def_id); 56,335 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/option_option.rs:clippy_lints::types::option_option::check (694x) 5,082 ( 0.00%) triggered |= linked_list::check(cx, hir_ty, def_id); 43,610 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/linked_list.rs:clippy_lints::types::linked_list::check (694x) 6,776 ( 0.00%) triggered |= rc_mutex::check(cx, hir_ty, qpath, def_id); 49,856 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/rc_mutex.rs:clippy_lints::types::rc_mutex::check (694x) 4,235 ( 0.00%) triggered |= owned_cow::check(cx, qpath, def_id); 51,532 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/owned_cow.rs:clippy_lints::types::owned_cow::check (694x) . 13,552 ( 0.00%) if triggered { . return; . } . } 4,224 ( 0.00%) match *qpath { . QPath::Resolved(Some(ty), p) => { . context.is_nested_call = true; . self.check_ty(cx, ty, context); . for ty in p.segments.iter().flat_map(|seg| { . seg.args . .as_ref() . .map_or_else(|| [].iter(), |params| params.args.iter()) . .filter_map(|arg| match arg { -- line 624 ---------------------------------------- -- line 626 ---------------------------------------- . _ => None, . }) . }) { . self.check_ty(cx, ty.as_unambig_ty(), context); . } . }, . QPath::Resolved(None, p) => { . context.is_nested_call = true; 2,255 ( 0.00%) for ty in p.segments.iter().flat_map(|seg| { . seg.args . .as_ref() 520 ( 0.00%) .map_or_else(|| [].iter(), |params| params.args.iter()) 546 ( 0.00%) .filter_map(|arg| match arg { . GenericArg::Type(ty) => Some(ty), . _ => None, . }) . }) { 858 ( 0.00%) self.check_ty(cx, ty.as_unambig_ty(), context); 115,300 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/types/mod.rs:::check_ty'2 (116x) . } . }, . QPath::TypeRelative(ty, seg) => { . context.is_nested_call = true; . self.check_ty(cx, ty, context); . if let Some(params) = seg.args { . for ty in params.args.iter().filter_map(|arg| match arg { . GenericArg::Type(ty) => Some(ty), -- line 651 ---------------------------------------- -- line 653 ---------------------------------------- . }) { . self.check_ty(cx, ty.as_unambig_ty(), context); . } . } . }, . } . }, . TyKind::Path(ref qpath) => { 84 ( 0.00%) let res = cx.qpath_res(qpath, hir_ty.hir_id); 322 ( 0.00%) => ???:::qpath_res (14x) . if let Some(def_id) = res.opt_def_id() . && self.is_type_change_allowed(context) . { 42 ( 0.00%) owned_cow::check(cx, qpath, def_id); 1,426 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/owned_cow.rs:clippy_lints::types::owned_cow::check (14x) . } . }, 1,006 ( 0.00%) TyKind::Ref(lt, ref mut_ty) => { . context.is_nested_call = true; 3,018 ( 0.00%) if !borrowed_box::check(cx, hir_ty, lt, mut_ty) { 25,061 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/types/borrowed_box.rs:clippy_lints::types::borrowed_box::check (474x) . self.check_ty(cx, mut_ty.ty, context); . } . }, 41 ( 0.00%) TyKind::Slice(ty) | TyKind::Array(ty, _) | TyKind::Ptr(MutTy { ty, .. }) => { . context.is_nested_call = true; . self.check_ty(cx, ty, context); . }, 13 ( 0.00%) TyKind::Tup(tys) => { . context.is_nested_call = true; . for ty in tys { 92 ( 0.00%) self.check_ty(cx, ty, context); 14,801 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/types/mod.rs:::check_ty'2 (17x) . } . }, . _ => {}, . } 10,696 ( 0.00%) } . . /// This function checks if the type is allowed to change in the current context . /// based on the `avoid_breaking_exported_api` configuration . fn is_type_change_allowed(&self, context: CheckTyContext) -> bool { . !(context.is_exported && self.avoid_breaking_exported_api) . } . } . -- line 694 ---------------------------------------- 10,705 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lexer/src/lib.rs -------------------------------------------------------------------------------- Ir -- line 63 ---------------------------------------- . . impl Token { . fn new(kind: TokenKind, len: u32) -> Token { . Token { kind, len } . } . } . . /// Enum representing common lexeme types. 139,380 ( 0.00%) #[derive(Clone, Copy, Debug, PartialEq, Eq)] . pub enum TokenKind { . /// A line comment, e.g. `// comment`. . LineComment { . doc_style: Option, . }, . . /// A block comment, e.g. `/* block comment */`. . /// -- line 79 ---------------------------------------- -- line 325 ---------------------------------------- . /// . /// When tokenizing a slice of a document, be sure to disallow frontmatters with [`FrontmatterAllowed::No`] . pub fn tokenize( . input: &str, . frontmatter_allowed: FrontmatterAllowed, . ) -> impl Iterator { . let mut cursor = Cursor::new(input, frontmatter_allowed); . std::iter::from_fn(move || { 110,248 ( 0.00%) let token = cursor.advance_token(); 2,637 ( 0.00%) => ???:::advance_token (15x) 104,437 ( 0.00%) if token.kind != TokenKind::Eof { Some(token) } else { None } . }) . } . . /// True if `c` is considered a whitespace according to Rust language definition. . /// See [Rust language reference](https://doc.rust-lang.org/reference/whitespace.html) . /// for definitions of these classes. . pub fn is_whitespace(c: char) -> bool { . // This is Pattern_White_Space. . // . // Note that this set is stable (ie, it doesn't change with different . // Unicode versions), so it's ok to just hard-code the values. . 2,210 ( 0.00%) matches!( . c, . // End-of-line characters . | '\u{000A}' // line feed (\n) . | '\u{000B}' // vertical tab . | '\u{000C}' // form feed . | '\u{000D}' // carriage return (\r) . | '\u{0085}' // next line (from latin1) . | '\u{2028}' // LINE SEPARATOR -- line 355 ---------------------------------------- 2,017 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs -------------------------------------------------------------------------------- Ir -- line 82 ---------------------------------------- . declare_lint_pass!(EvalOrderDependence => [ . DIVERGING_SUB_EXPRESSION, . MIXED_READ_WRITE_IN_EXPRESSION, . ]); . . impl<'tcx> LateLintPass<'tcx> for EvalOrderDependence { . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { . // Find a write to a local variable. 208,242 ( 0.00%) let var = if let ExprKind::Assign(lhs, ..) | ExprKind::AssignOp(_, lhs, _) = expr.kind . && let Some(var) = lhs.res_local_id() 129 ( 0.00%) && expr.span.desugaring_kind().is_none() 4,128 ( 0.00%) => ???:::desugaring_kind (43x) . { . var . } else { . return; . }; 215 ( 0.00%) let mut visitor = ReadVisitor { . cx, . var, . write_expr: expr, . last_expr: expr, . }; . check_for_unsequenced_reads(&mut visitor); 52,045 ( 0.00%) } . fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { 44,934 ( 0.00%) match stmt.kind { 2,152 ( 0.00%) StmtKind::Let(local) => { 6,456 ( 0.00%) if let LetStmt { init: Some(e), .. } = local { 6,444 ( 0.00%) DivergenceVisitor { cx }.visit_expr(e); 1,572,679 ( 0.03%) => site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::visit_expr (2,148x) . } . }, 39,525 ( 0.00%) StmtKind::Expr(e) | StmtKind::Semi(e) => DivergenceVisitor { cx }.maybe_walk_expr(e), 3,697,370 ( 0.07%) => site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::maybe_walk_expr (7,905x) . StmtKind::Item(..) => {}, . } . } . } . . struct DivergenceVisitor<'a, 'tcx> { . cx: &'a LateContext<'tcx>, . } . . impl<'tcx> DivergenceVisitor<'_, 'tcx> { 221,865 ( 0.00%) fn maybe_walk_expr(&mut self, e: &'tcx Expr<'_>) { 353,792 ( 0.01%) match e.kind { . ExprKind::Closure(..) | ExprKind::If(..) | ExprKind::Loop(..) => {}, 768 ( 0.00%) ExprKind::Match(e, arms, _) => { 768 ( 0.00%) self.visit_expr(e); 180,826 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::visit_expr (79x) 144,585 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::visit_expr'2 (147x) . for arm in arms { 1,548 ( 0.00%) if let Some(if_expr) = arm.guard { 16 ( 0.00%) self.visit_expr(if_expr); 1,374 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::visit_expr'2 (7x) . } . // make sure top level arm expressions aren't linted 1,548 ( 0.00%) self.maybe_walk_expr(arm.body); 86,487 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::maybe_walk_expr'2 (473x) . } . }, 306,894 ( 0.01%) _ => walk_expr(self, e), 4,052,437 ( 0.08%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr:: (9,678x) . } 3,186 ( 0.00%) } . . fn report_diverging_sub_expr(&self, e: &Expr<'_>) { . if let Some(macro_call) = root_macro_call_first_node(self.cx, e) . && self.cx.tcx.is_diagnostic_item(sym::todo_macro, macro_call.def_id) . { . return; . } . span_lint(self.cx, DIVERGING_SUB_EXPRESSION, e.span, "sub-expression diverges"); . } . } . . fn stmt_might_diverge(stmt: &Stmt<'_>) -> bool { 771 ( 0.00%) !matches!(stmt.kind, StmtKind::Item(..)) . } . . impl<'tcx> Visitor<'tcx> for DivergenceVisitor<'_, 'tcx> { 251,664 ( 0.00%) fn visit_expr(&mut self, e: &'tcx Expr<'_>) { 251,436 ( 0.00%) match e.kind { . // fix #10776 4,818 ( 0.00%) ExprKind::Block(block, ..) => match (block.stmts, block.expr) { . (stmts, Some(e)) if stmts.iter().all(|stmt| !stmt_might_diverge(stmt)) => { . self.visit_expr(e); 32 ( 0.00%) }, . ([first @ .., stmt], None) . if first.iter().all(|stmt| !stmt_might_diverge(stmt)) . && let StmtKind::Expr(e) | StmtKind::Semi(e) = stmt.kind => . { . self.visit_expr(e); . }, . _ => {}, . }, . ExprKind::Continue(_) | ExprKind::Break(_, _) | ExprKind::Ret(_) => self.report_diverging_sub_expr(e), 1,633 ( 0.00%) ExprKind::Call(func, _) => { 3,266 ( 0.00%) let typ = self.cx.typeck_results().expr_ty(func); 52,496 ( 0.00%) => ???:::expr_ty (1,310x) . if typ.is_fn() { 9,798 ( 0.00%) let sig = typ.fn_sig(self.cx.tcx); 291,940 ( 0.01%) => ???:::fn_sig (1,310x) 13,064 ( 0.00%) if self.cx.tcx.instantiate_bound_regions_with_erased(sig).output().kind() == &ty::Never { 345,315 ( 0.01%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased::> (1,310x) . self.report_diverging_sub_expr(e); . } . } . }, . ExprKind::MethodCall(..) => { 806 ( 0.00%) let borrowed_table = self.cx.typeck_results(); 3,224 ( 0.00%) if borrowed_table.expr_ty(e).is_never() { 15,812 ( 0.00%) => ???:::expr_ty (395x) . self.report_diverging_sub_expr(e); . } . }, . _ => { . // do not lint expressions referencing objects of type `!`, as that required a . // diverging expression . // to begin with . }, . } 107,856 ( 0.00%) self.maybe_walk_expr(e); 2,458,320 ( 0.05%) => site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::maybe_walk_expr'2 (20,540x) 985,106 ( 0.02%) => site/frontend/rust-clippy/clippy_lints/src/mixed_read_write_in_expression.rs:::maybe_walk_expr (2,148x) 215,712 ( 0.00%) } . fn visit_block(&mut self, _: &'tcx Block<'_>) { . // don't continue over blocks, LateLintPass already does that . } . } . . /// Walks up the AST from the given write expression (`vis.write_expr`) looking . /// for reads to the same variable that are unsequenced relative to the write. . /// -- line 202 ---------------------------------------- -- line 207 ---------------------------------------- . /// and `|| x = 1` don't necessarily evaluate `x`), and . /// . /// * which one is evaluated first depends on the order of sub-expression evaluation. Blocks, `if`s, . /// loops, `match`es, and the short-circuiting logical operators are considered to have a defined . /// evaluation order. . /// . /// When such a read is found, the lint is triggered. . fn check_for_unsequenced_reads(vis: &mut ReadVisitor<'_, '_>) { 172 ( 0.00%) let mut cur_id = vis.write_expr.hir_id; . loop { 4,457 ( 0.00%) let parent_id = vis.cx.tcx.parent_hir_id(cur_id); 39,909 ( 0.00%) => ???:::parent_hir_id (750x) 747 ( 0.00%) if parent_id == cur_id { . break; . } . 8,160 ( 0.00%) let stop_early = match vis.cx.tcx.hir_node(parent_id) { 39,000 ( 0.00%) => ???:::hir_node (750x) 332 ( 0.00%) Node::Expr(expr) => check_expr(vis, expr), 393 ( 0.00%) Node::Stmt(stmt) => check_stmt(vis, stmt), . Node::Item(_) => { . // We reached the top of the function, stop. . break; . }, . _ => StopEarly::KeepGoing, . }; . match stop_early { . StopEarly::Stop => break, -- line 232 ---------------------------------------- -- line 289 ---------------------------------------- . } . . vis.last_expr = expr; . . StopEarly::KeepGoing . } . . fn check_stmt<'tcx>(vis: &mut ReadVisitor<'_, 'tcx>, stmt: &'tcx Stmt<'_>) -> StopEarly { 435 ( 0.00%) match stmt.kind { . StmtKind::Expr(expr) | StmtKind::Semi(expr) => check_expr(vis, expr), . // If the declaration is of a local variable, check its initializer . // expression if it has one. Otherwise, keep going. . StmtKind::Let(local) => local . .init . .as_ref() . .map_or(StopEarly::KeepGoing, |expr| check_expr(vis, expr)), . StmtKind::Item(..) => StopEarly::KeepGoing, -- line 305 ---------------------------------------- -- line 315 ---------------------------------------- . /// in the lint). . write_expr: &'tcx Expr<'tcx>, . /// The last (highest in the AST) expression we've checked, so we know not . /// to recheck it. . last_expr: &'tcx Expr<'tcx>, . } . . impl<'tcx> Visitor<'tcx> for ReadVisitor<'_, 'tcx> { 819 ( 0.00%) fn visit_expr(&mut self, expr: &'tcx Expr<'_>) { 234 ( 0.00%) if expr.hir_id == self.last_expr.hir_id { . return; . } . 6 ( 0.00%) if expr.res_local_id() == Some(self.var) . // Check that this is a read, not a write. . && !is_in_assignment_position(self.cx, expr) . { . span_lint_and_then( . self.cx, . MIXED_READ_WRITE_IN_EXPRESSION, . expr.span, . format!("unsequenced read of `{}`", self.cx.tcx.hir_name(self.var)), -- line 336 ---------------------------------------- -- line 337 ---------------------------------------- . |diag| { . diag.span_note( . self.write_expr.span, . "whether read occurs before this write depends on evaluation order", . ); . }, . ); . } 216 ( 0.00%) match expr.kind { . // We're about to descend a closure. Since we don't know when (or . // if) the closure will be evaluated, any reads in it might not . // occur here (or ever). Like above, bail to avoid false positives. . ExprKind::Closure{..} | . . // We want to avoid a false positive when a variable name occurs . // only to have its address taken, so we stop here. Technically, . // this misses some weird cases, eg. -- line 353 ---------------------------------------- -- line 359 ---------------------------------------- . // . // TODO: fix this . ExprKind::AddrOf(_, _, _) => { . return; . } . _ => {} . } . 62 ( 0.00%) walk_expr(self, expr); 4,332 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::'2 (56x) 936 ( 0.00%) } . } . . /// Returns `true` if `expr` is the LHS of an assignment, like `expr = ...`. . fn is_in_assignment_position(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { . if let Some(parent) = get_parent_expr(cx, expr) . && let ExprKind::Assign(lhs, ..) = parent.kind . { . return lhs.hir_id == expr.hir_id; -- line 376 ---------------------------------------- 89,397 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/flatten.rs -------------------------------------------------------------------------------- Ir -- line 15 ---------------------------------------- . #[must_use = "iterators are lazy and do nothing unless consumed"] . #[stable(feature = "rust1", since = "1.0.0")] . pub struct FlatMap { . inner: FlattenCompat, ::IntoIter>, . } . . impl U> FlatMap { . pub(in crate::iter) fn new(iter: I, f: F) -> FlatMap { 417,534 ( 0.01%) FlatMap { inner: FlattenCompat::new(iter.map(f)) } . } . . pub(crate) fn into_parts(self) -> (Option, Option, Option) { . ( . self.inner.frontiter, . self.inner.iter.into_inner().map(Map::into_inner), . self.inner.backiter, . ) -- line 31 ---------------------------------------- -- line 183 ---------------------------------------- . #[stable(feature = "iterator_flatten", since = "1.29.0")] . pub struct Flatten> { . inner: FlattenCompat::IntoIter>, . } . . #[rustc_const_unstable(feature = "const_iter", issue = "92476")] . const impl> Flatten { . pub(in super::super) fn new(iter: I) -> Flatten { 2,730 ( 0.00%) Flatten { inner: FlattenCompat::new(iter) } . } . } . . #[stable(feature = "iterator_flatten", since = "1.29.0")] . impl fmt::Debug for Flatten . where . I: fmt::Debug + Iterator>, . U: fmt::Debug + Iterator, -- line 199 ---------------------------------------- -- line 242 ---------------------------------------- . self.inner.try_fold(init, fold) . } . . #[inline] . fn fold(self, init: Acc, fold: Fold) -> Acc . where . Fold: FnMut(Acc, Self::Item) -> Acc, . { 5,590 ( 0.00%) self.inner.fold(init, fold) . } . . #[inline] . fn advance_by(&mut self, n: usize) -> Result<(), NonZero> { . self.inner.advance_by(n) . } . . #[inline] -- line 258 ---------------------------------------- -- line 383 ---------------------------------------- . fn iter_fold(self, mut acc: Acc, mut fold: Fold) -> Acc . where . Fold: FnMut(Acc, U) -> Acc, . { . #[inline] . fn flatten( . fold: &mut impl FnMut(Acc, T::IntoIter) -> Acc, . ) -> impl FnMut(Acc, T) -> Acc + '_ { 6 ( 0.00%) move |acc, iter| fold(acc, iter.into_iter()) . } . 881 ( 0.00%) if let Some(iter) = self.frontiter { . acc = fold(acc, iter); . } . 15 ( 0.00%) acc = self.iter.fold(acc, flatten(&mut fold)); . 2,166 ( 0.00%) if let Some(iter) = self.backiter { . acc = fold(acc, iter); . } . . acc . } . . /// Folds over the inner iterators as long as the given function returns successfully, . /// always storing the most recent inner iterator in `self.frontiter`. . /// . /// Folds over the inner iterators, not over their elements. Is used by the `try_fold` and . /// `advance_by` methods. . #[inline] 2,583 ( 0.00%) fn iter_try_fold(&mut self, mut acc: Acc, mut fold: Fold) -> R . where . Fold: FnMut(Acc, &mut U) -> R, . R: Try, . { . #[inline] . fn flatten<'a, T: IntoIterator, Acc, R: Try>( . frontiter: &'a mut Option, . fold: &'a mut impl FnMut(Acc, &mut T::IntoIter) -> R, . ) -> impl FnMut(Acc, T) -> R + 'a { 11,695 ( 0.00%) move |acc, iter| fold(acc, frontiter.insert(iter.into_iter())) 10,474,737 ( 0.19%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/take_while.rs: as core::iter::traits::iterator::Iterator>::try_fold::flatten::, clippy_utils::macros::macro_backtrace::{closure#0}>, clippy_utils::macros::first_node_macro_backtrace::{closure#0}::{closure#0}>, (), core::ops::control_flow::ControlFlow, core::iter::traits::iterator::Iterator::find::check::{closure#0}>::{closure#0} (11,245x) . } . 1,120 ( 0.00%) if let Some(iter) = &mut self.frontiter { . acc = fold(acc, iter)?; . } 156,511 ( 0.00%) self.frontiter = None; . 237 ( 0.00%) acc = self.iter.try_fold(acc, flatten(&mut self.frontiter, &mut fold))?; 63,639 ( 0.00%) self.frontiter = None; . 127,571 ( 0.00%) if let Some(iter) = &mut self.backiter { . acc = fold(acc, iter)?; . } 688 ( 0.00%) self.backiter = None; . . try { acc } 2,296 ( 0.00%) } . } . . impl FlattenCompat . where . I: DoubleEndedIterator>, . { . /// Folds the inner iterators into an accumulator by applying an operation, starting form the . /// back. -- line 448 ---------------------------------------- -- line 514 ---------------------------------------- . where . I: Iterator>, . U: Iterator, . { . type Item = U::Item; . . #[inline] . default fn next(&mut self) -> Option { 18 ( 0.00%) loop { . if let elt @ Some(_) = and_then_or_clear(&mut self.frontiter, Iterator::next) { . return elt; . } 1,389 ( 0.00%) match self.iter.next() { . None => return and_then_or_clear(&mut self.backiter, Iterator::next), 362 ( 0.00%) Some(inner) => self.frontiter = Some(inner.into_iter()), . } . } . } . . #[inline] . default fn size_hint(&self) -> (usize, Option) { . let (flo, fhi) = self.frontiter.as_ref().map_or((0, Some(0)), U::size_hint); . let (blo, bhi) = self.backiter.as_ref().map_or((0, Some(0)), U::size_hint); -- line 536 ---------------------------------------- -- line 558 ---------------------------------------- . Self: Sized, . Fold: FnMut(Acc, Self::Item) -> R, . R: Try, . { . #[inline] . fn flatten>( . mut fold: impl FnMut(Acc, U::Item) -> R, . ) -> impl FnMut(Acc, &mut U) -> R { 13,255 ( 0.00%) move |acc, iter| iter.try_fold(acc, &mut fold) . } . 287 ( 0.00%) self.iter_try_fold(init, flatten(fold)) 186 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/flatten.rs:, ::all_fields::{closure#0}>, core::slice::iter::Iter>>::iter_try_fold::<(), as core::iter::traits::iterator::Iterator>::try_fold::flatten, (), core::ops::control_flow::ControlFlow<()>, core::iter::adapters::map::map_try_fold<&rustc_middle::ty::FieldDef, rustc_type_ir::unnormalized::Unnormalized, (), core::ops::control_flow::ControlFlow<()>, clippy_lints::derive::derive_partial_eq_without_eq::check::{closure#0}, core::iter::traits::iterator::Iterator::all::check, clippy_lints::derive::derive_partial_eq_without_eq::check::{closure#1}>::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow<()>> (1x) . } . . #[inline] . default fn fold(self, init: Acc, fold: Fold) -> Acc . where . Fold: FnMut(Acc, Self::Item) -> Acc, . { . #[inline] -- line 577 ---------------------------------------- -- line 602 ---------------------------------------- . } . } . . #[inline] . default fn count(self) -> usize { . #[inline] . #[rustc_inherit_overflow_checks] . fn count(acc: usize, iter: U) -> usize { 10 ( 0.00%) acc + iter.count() . } . 6 ( 0.00%) self.iter_fold(0, count) . } . . #[inline] . default fn last(self) -> Option { . #[inline] . fn last(last: Option, iter: U) -> Option { . iter.last().or(last) . } -- line 621 ---------------------------------------- -- line 847 ---------------------------------------- . // `frontiter` or `backiter` without consuming the item, so we **must** override those. . impl Iterator for FlattenCompat . where . I: Iterator>, . U: Iterator + OneShot, . { . #[inline] . fn next(&mut self) -> Option { 3,006 ( 0.00%) while let Some(inner) = self.iter.next() { 364 ( 0.00%) if let item @ Some(_) = inner.into_iter().next() { . return item; . } . } . None . } . . #[inline] . fn size_hint(&self) -> (usize, Option) { -- line 864 ---------------------------------------- 466,882 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/ranges.rs -------------------------------------------------------------------------------- Ir -- line 184 ---------------------------------------- . . impl Ranges { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for Ranges { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,090 ( 0.00%) if let ExprKind::Binary(ref op, l, r) = expr.kind 246 ( 0.00%) && matches!( 492 ( 0.00%) op.node, . BinOpKind::And | BinOpKind::BitAnd | BinOpKind::Or | BinOpKind::BitOr . ) 762 ( 0.00%) && self.msrv.meets(cx, msrvs::RANGE_CONTAINS) 3,429 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (127x) 508 ( 0.00%) && !is_in_const_context(cx) 34,571 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (127x) . { 889 ( 0.00%) check_possible_range_contains(cx, op.node, l, r, expr, expr.span); 32,252 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/ranges.rs:clippy_lints::ranges::check_possible_range_contains (127x) . } . 312,333 ( 0.01%) if let Some(range) = higher::Range::hir(cx, expr) { 2,469,851 ( 0.05%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (52,045x) . check_exclusive_range_plus_one(cx, expr, &range); . check_inclusive_range_minus_one(cx, expr, &range); . check_reversed_empty_range(cx, expr, &range); . } 416,360 ( 0.01%) } . } . 1,233 ( 0.00%) fn check_possible_range_contains( . cx: &LateContext<'_>, . op: BinOpKind, . left: &Expr<'_>, . right: &Expr<'_>, . expr: &Expr<'_>, . span: Span, . ) { 1,370 ( 0.00%) let combine_and = match op { . BinOpKind::And | BinOpKind::BitAnd => true, . BinOpKind::Or | BinOpKind::BitOr => false, . _ => return, . }; . // value, name, order (higher/lower), inclusiveness 4,386 ( 0.00%) if let (Some(l), Some(r)) = (check_range_bounds(cx, left), check_range_bounds(cx, right)) { 4,991 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/ranges.rs:clippy_lints::ranges::check_range_bounds (254x) . // we only lint comparisons on the same name and with different . // direction . if l.id != r.id || l.ord == r.ord { . return; . } . let ord = Constant::partial_cmp(cx.tcx, cx.typeck_results().expr_ty(l.expr), &l.val, &r.val); . if combine_and && ord == Some(r.ord) { . // order lower bound and upper bound -- line 234 ---------------------------------------- -- line 291 ---------------------------------------- . MANUAL_RANGE_CONTAINS, . span, . format!("manual `!{range_type}::contains` implementation"), . "use", . format!("!({lo}{space}{range_op}{hi}).contains(&{name})"), . applicability, . ); . } 274 ( 0.00%) } . . // If the LHS is the same operator, we have to recurse to get the "real" RHS, since they have . // the same operator precedence 274 ( 0.00%) if let ExprKind::Binary(ref lhs_op, _left, new_lhs) = left.kind 18 ( 0.00%) && op == lhs_op.node 100 ( 0.00%) && let new_span = Span::new(new_lhs.span.lo(), right.span.hi(), expr.span.ctxt(), expr.span.parent()) . && new_span.check_text(cx, |src| { . // Do not continue if we have mismatched number of parens, otherwise the suggestion is wrong 20 ( 0.00%) src.matches('(').count() == src.matches(')').count() . }) . { 50 ( 0.00%) check_possible_range_contains(cx, op, new_lhs, right, expr, new_span); 1,118 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/ranges.rs:clippy_lints::ranges::check_possible_range_contains'2 (10x) . } 1,096 ( 0.00%) } . . struct RangeBounds<'a> { . val: Constant, . expr: &'a Expr<'a>, . id: HirId, . name_span: Span, . val_span: Span, . ord: Ordering, . inc: bool, . } . . // Takes a binary expression such as x <= 2 as input . // Breaks apart into various pieces, such as the value of the number, . // hir id of the variable, and direction/inclusiveness of the operator 1,918 ( 0.00%) fn check_range_bounds<'a>(cx: &'a LateContext<'_>, ex: &'a Expr<'_>) -> Option> { 548 ( 0.00%) if let ExprKind::Binary(ref op, l, r) = ex.kind { 231 ( 0.00%) let (inclusive, ordering) = match op.node { . BinOpKind::Gt => (false, Ordering::Greater), . BinOpKind::Ge => (true, Ordering::Greater), . BinOpKind::Lt => (false, Ordering::Less), . BinOpKind::Le => (true, Ordering::Less), . _ => return None, . }; . if let Some(id) = l.res_local_id() { 11 ( 0.00%) if let Some(c) = ConstEvalCtxt::new(cx).eval(r) { 138 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/consts.rs:::eval (1x) 56 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/consts.rs:::new (1x) 6 ( 0.00%) return Some(RangeBounds { . val: c, . expr: r, . id, 1 ( 0.00%) name_span: l.span, 2 ( 0.00%) val_span: r.span, . ord: ordering, . inc: inclusive, . }); . } . } else if let Some(id) = r.res_local_id() . && let Some(c) = ConstEvalCtxt::new(cx).eval(l) . { . return Some(RangeBounds { -- line 352 ---------------------------------------- -- line 356 ---------------------------------------- . name_span: r.span, . val_span: l.span, . ord: ordering.reverse(), . inc: inclusive, . }); . } . } . None 2,192 ( 0.00%) } . . /// Check whether `expr` could switch range types without breaking the typing requirements. This is . /// generally the case when `expr` is used as an iterator for example, or as a slice or `&str` . /// index. . /// . /// FIXME: Note that the current implementation may still return false positives. A proper fix would . /// check that the obligations are still satisfied after switching the range type. . fn can_switch_ranges<'tcx>( -- line 372 ---------------------------------------- -- line 515 ---------------------------------------- . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'_>, . range: &higher::Range<'tcx>, . kind: RangeLimits, . predicate: impl for<'hir> FnOnce(&Expr<'hir>) -> Option<&'hir Expr<'hir>>, . lint: &'static Lint, . msg: &'static str, . ) { 21 ( 0.00%) if let higher::Range { 22 ( 0.00%) start, . end: Some(end), . ty, 22 ( 0.00%) span, 21 ( 0.00%) } = *range 88 ( 0.00%) && span.can_be_used_for_suggestions() 616 ( 0.00%) => ???:::can_be_used_for_suggestions (22x) . && ty.limits() == kind . && let Some(y) = predicate(end) . && can_switch_ranges(cx, span.ctxt(), expr, kind, cx.typeck_results().expr_ty(y)) . { . // Suggest the opposite range limits to the ones being checked. . let operator = match kind { . RangeLimits::HalfOpen => "..=", . RangeLimits::Closed => "..", -- line 537 ---------------------------------------- -- line 582 ---------------------------------------- . . fn is_empty_range(limits: RangeLimits, ordering: Ordering) -> bool { . match limits { . RangeLimits::HalfOpen => ordering != Ordering::Less, . RangeLimits::Closed => ordering == Ordering::Greater, . } . } . 11 ( 0.00%) if let higher::Range { . start: Some(start), . end: Some(end), 6 ( 0.00%) ty: range_ty, 6 ( 0.00%) span, 11 ( 0.00%) } = *range 18 ( 0.00%) && let ty = cx.typeck_results().expr_ty(start) 240 ( 0.00%) => ???:::expr_ty (6x) 24 ( 0.00%) && let ty::Int(_) | ty::Uint(_) = ty.kind() 24 ( 0.00%) && let ecx = ConstEvalCtxt::new(cx) 336 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/consts.rs:::new (6x) 72 ( 0.00%) && let Some(start_idx) = ecx.eval(start) 828 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/consts.rs:::eval (6x) 24 ( 0.00%) && let Some(end_idx) = ecx.eval(end) 270 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/consts.rs:::eval (6x) . && let Some(ordering) = Constant::partial_cmp(cx.tcx, ty, &start_idx, &end_idx) . && is_empty_range(range_ty.limits(), ordering) . { . if inside_indexing_expr(cx, expr) { . // Avoid linting `N..N` as it has proven to be useful, see #5689 and #5628 ... . if ordering != Ordering::Equal { . span_lint( . cx, -- line 608 ---------------------------------------- -- line 633 ---------------------------------------- . range in reverse", . format!("({end_snippet}{dots}{start_snippet}).rev()"), . Applicability::MaybeIncorrect, . ); . } . }, . ); . } 6 ( 0.00%) } 150 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (6x) . } . . fn y_plus_one<'tcx>(expr: &Expr<'tcx>) -> Option<&'tcx Expr<'tcx>> { 26 ( 0.00%) match expr.kind { . ExprKind::Binary( . Spanned { . node: BinOpKind::Add, .. . }, . lhs, . rhs, . ) => { . if is_integer_literal(lhs, 1) { -- line 653 ---------------------------------------- 53,968 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/box_default.rs -------------------------------------------------------------------------------- Ir -- line 31 ---------------------------------------- . pub BOX_DEFAULT, . style, . "Using Box::new(T::default()) instead of Box::default()" . } . . declare_lint_pass!(BoxDefault => [BOX_DEFAULT]); . . impl LateLintPass<'_> for BoxDefault { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { . // If the expression is a call (`Box::new(...)`) 126,653 ( 0.00%) if let ExprKind::Call(box_new, [arg]) = expr.kind . // And call is of the form `::something` . // Here, it would be `::new` 14,521 ( 0.00%) && let ExprKind::Path(QPath::TypeRelative(ty, seg)) = box_new.kind . // And that method is `new` 95 ( 0.00%) && seg.ident.name == sym::new . // And the call is that of a `Box` method 24 ( 0.00%) && ty.basic_res().is_lang_item(cx, LangItem::OwnedBox) . // And the single argument to the call is another function call . // This is the `T::default()` (or default equivalent) of `Box::new(T::default())` 7 ( 0.00%) && let ExprKind::Call(arg_path, _) = arg.kind . // And we are not in a foreign crate's macro 5 ( 0.00%) && !expr.span.in_external_macro(cx.sess().source_map()) 117 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:::in_external_macro (1x) . // And the argument expression has the same context as the outer call expression . // or that we are inside a `vec!` macro expansion 5 ( 0.00%) && (expr.span.eq_ctxt(arg.span) || is_local_vec_expn(cx, arg, expr)) 30 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::eq_ctxt (1x) . // And the argument is `Default::default()` or the type is specified 8 ( 0.00%) && (is_plain_default(cx, arg_path) || (given_type(cx, expr) && is_default_equivalent(cx, arg))) 118 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/box_default.rs:clippy_lints::box_default::given_type (1x) 64 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/box_default.rs:clippy_lints::box_default::is_plain_default (1x) . { . span_lint_and_sugg( . cx, . BOX_DEFAULT, . expr.span, . "`Box::new(_)` of default value", . "try", . "Box::default()".into(), . Applicability::MachineApplicable, . ); . } 416,360 ( 0.01%) } . } . 1 ( 0.00%) fn is_plain_default(cx: &LateContext<'_>, arg_path: &Expr<'_>) -> bool { . // we need to match the actual path so we don't match e.g. "u8::default" 6 ( 0.00%) if let ExprKind::Path(QPath::Resolved(None, path)) = &arg_path.kind 5 ( 0.00%) && let Res::Def(_, def_id) = path.res . { . // avoid generic parameters 4 ( 0.00%) cx.tcx.is_diagnostic_item(sym::default_fn, def_id) && path.segments.iter().all(|seg| seg.args.is_none()) 44 ( 0.00%) => ???:::is_diagnostic_item (1x) . } else { . false . } 1 ( 0.00%) } . . fn is_local_vec_expn(cx: &LateContext<'_>, expr: &Expr<'_>, ref_expr: &Expr<'_>) -> bool { . macro_backtrace(expr.span) . .next() . .is_some_and(|call| cx.tcx.is_diagnostic_item(sym::vec_macro, call.def_id) && call.span.eq_ctxt(ref_expr.span)) . } . . #[derive(Default)] -- line 91 ---------------------------------------- -- line 100 ---------------------------------------- . fn visit_ty(&mut self, t: &Ty<'_, AmbigArg>) { . self.0 |= matches!(t.kind, TyKind::OpaqueDef(..) | TyKind::TraitObject(..)); . if !self.0 { . walk_ty(self, t); . } . } . } . 8 ( 0.00%) fn given_type(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 14 ( 0.00%) match cx.tcx.parent_hir_node(expr.hir_id) { 88 ( 0.00%) => ???:::parent_hir_node (1x) . Node::LetStmt(LetStmt { ty: Some(ty), .. }) => { . let mut v = InferVisitor::default(); . v.visit_ty_unambig(ty); . !v.0 . }, . Node::Expr(Expr { . kind: ExprKind::Call(path, args), . .. -- line 117 ---------------------------------------- -- line 130 ---------------------------------------- . { . input_ty == cx.typeck_results().expr_ty_adjusted(expr) . } else { . false . } . }, . _ => false, . } 7 ( 0.00%) } 10 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/matches/infallible_destructuring_match.rs -------------------------------------------------------------------------------- Ir -- line 3 ---------------------------------------- . use clippy_utils::source::snippet_with_applicability; . use clippy_utils::{peel_blocks, strip_pat_refs}; . use rustc_errors::Applicability; . use rustc_hir::{ExprKind, LetStmt, MatchSource, PatKind, QPath}; . use rustc_lint::LateContext; . . use super::INFALLIBLE_DESTRUCTURING_MATCH; . 15,064 ( 0.00%) pub(crate) fn check(cx: &LateContext<'_>, local: &LetStmt<'_>) -> bool { . // turn this: . // . // let local = match target { . // Variant(binding arg) => { arg } . // }; . // . // into this: . // . // let Variant(binding local) = target; 4,304 ( 0.00%) if !local.span.from_expansion() 2,076 ( 0.00%) && let Some(expr) = local.init 1,524 ( 0.00%) && let ExprKind::Match(target, [arm], MatchSource::Normal) = expr.kind . && arm.guard.is_none() . && let PatKind::TupleStruct(QPath::Resolved(None, variant_name), [arg_lhs], _) = arm.pat.kind . && let PatKind::Binding(binding, arg_lhs, ..) = strip_pat_refs(arg_lhs).kind . && let arg_rhs = peel_blocks(arm.body) . && Some(arg_lhs) == arg_rhs.res_local_id() . { . let mut applicability = Applicability::MachineApplicable; . span_lint_and_sugg( -- line 31 ---------------------------------------- -- line 41 ---------------------------------------- . snippet_with_applicability(cx, local.pat.span, "..", &mut applicability), . snippet_with_applicability(cx, target.span, "..", &mut applicability), . ), . applicability, . ); . return true; . } . false 17,216 ( 0.00%) } 2,152 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/await_holding_invalid.rs -------------------------------------------------------------------------------- Ir -- line 178 ---------------------------------------- . AWAIT_HOLDING_REFCELL_REF, . ]); . . pub struct AwaitHolding { . def_ids: DefIdMap<(&'static str, &'static DisallowedPathWithoutReplacement)>, . } . . impl AwaitHolding { 8 ( 0.00%) pub(crate) fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { . let (def_ids, _) = create_disallowed_map( . tcx, . &conf.await_holding_invalid_types, . PathNS::Type, . crate::disallowed_types::def_kind_predicate, . "type", . false, . ); . Self { def_ids } 8 ( 0.00%) } . } . . impl<'tcx> LateLintPass<'tcx> for AwaitHolding { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>) { 104,360 ( 0.00%) if let hir::ExprKind::Closure(hir::Closure { . kind: hir::ClosureKind::Coroutine(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::Async, _)), . def_id, . .. 135 ( 0.00%) }) = expr.kind . && let Some(coroutine_layout) = cx.tcx.mir_coroutine_witnesses(*def_id) . { . self.check_interior_types(cx, coroutine_layout); . } 416,360 ( 0.01%) } . } . . impl AwaitHolding { . fn check_interior_types(&self, cx: &LateContext<'_>, coroutine: &CoroutineLayout<'_>) { . for (ty_index, ty_cause) in coroutine.field_tys.iter_enumerated() { . if let rustc_middle::ty::Adt(adt, _) = ty_cause.ty.kind() { . let await_points = || { . coroutine -- line 218 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/from_raw_with_void_ptr.rs -------------------------------------------------------------------------------- Ir -- line 34 ---------------------------------------- . pub FROM_RAW_WITH_VOID_PTR, . suspicious, . "creating a `Box` from a void raw pointer" . } . . declare_lint_pass!(FromRawWithVoidPtr => [FROM_RAW_WITH_VOID_PTR]); . . impl LateLintPass<'_> for FromRawWithVoidPtr { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { 126,653 ( 0.00%) if let ExprKind::Call(box_from_raw, [arg]) = expr.kind 14,515 ( 0.00%) && let ExprKind::Path(QPath::TypeRelative(ty, seg)) = box_from_raw.kind 95 ( 0.00%) && seg.ident.name == sym::from_raw . && let Some(type_str) = ty.basic_res().opt_def_id().and_then(|id| def_id_matches_type(cx, id)) . && let arg_kind = cx.typeck_results().expr_ty(arg).kind() . && let ty::RawPtr(ty, _) = arg_kind . && is_c_void(cx, *ty) . { . let msg = format!("creating a `{type_str}` from a void raw pointer"); . span_lint_and_help( . cx, . FROM_RAW_WITH_VOID_PTR, . expr.span, . msg, . Some(arg.span), . "cast this to a pointer of the appropriate type", . ); . } 416,360 ( 0.01%) } . } . . /// Checks whether a `DefId` matches `Box`, `Rc`, `Arc`, or one of the `Weak` types. . /// Returns a static string slice with the name of the type, if one was found. . fn def_id_matches_type(cx: &LateContext<'_>, def_id: DefId) -> Option<&'static str> { . // Box . if Some(def_id) == cx.tcx.lang_items().owned_box() { . return Some("Box"); -- line 69 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_id/src/lib.rs -------------------------------------------------------------------------------- Ir -- line 76 ---------------------------------------- . /// `hir::Item`, `hir::TraitItem`, or `hir::ImplItem` (i.e., the closest "item-like"), . /// and the `local_id` which is unique within the given owner. . /// . /// This two-level structure makes for more stable values: One can move an item . /// around within the source code, or add or remove stuff before it, without . /// the `local_id` part of the `HirId` changing, which is a very useful property in . /// incremental compilation where we have to persist things through changes to . /// the code base. 1,512,194 ( 0.03%) #[derive(Copy, Clone, PartialEq, Eq, Hash, Encodable, Decodable, StableHash)] . #[rustc_pass_by_value] . pub struct HirId { 14,255 ( 0.00%) pub owner: OwnerId, . pub local_id: ItemLocalId, . } . . // To ensure correctness of incremental compilation, . // `HirId` must not implement `Ord` or `PartialOrd`. . // See https://github.com/rust-lang/rust/issues/90317. . impl !Ord for HirId {} . impl !PartialOrd for HirId {} -- line 95 ---------------------------------------- -- line 138 ---------------------------------------- . rustc_data_structures::define_stable_id_collections!(HirIdMap, HirIdSet, HirIdMapEntry, HirId); . rustc_data_structures::define_id_collections!( . ItemLocalMap, . ItemLocalSet, . ItemLocalMapEntry, . ItemLocalId . ); . 1,174 ( 0.00%) rustc_index::newtype_index! { . /// An `ItemLocalId` uniquely identifies something within a given "item-like"; . /// that is, within a `hir::Item`, `hir::TraitItem`, or `hir::ImplItem`. There is no . /// guarantee that the numerical value of a given `ItemLocalId` corresponds to . /// the node's position within the owning item in any way, but there is a . /// guarantee that the `ItemLocalId`s within an owner occupy a dense range of . /// integers starting at zero, so a mapping that maps all or most nodes within . /// an "item-like" to something else can be implemented by a `Vec` instead of a . /// tree or hash map. -- line 154 ---------------------------------------- 1,349 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/adt.rs -------------------------------------------------------------------------------- Ir -- line 26 ---------------------------------------- . AsyncDestructor, Destructor, FieldDef, GenericClauses, Ty, TyCtxt, VariantDef, VariantDiscr, . }; . use crate::mir::interpret::ErrorHandled; . use crate::ty::util::{Discr, IntTypeExt}; . use crate::ty::{self, ConstKind}; . . #[derive(Clone, Copy, PartialEq, Eq, Hash, StableHash, TyEncodable, TyDecodable)] . pub struct AdtFlags(u16); 302,104 ( 0.01%) bitflags::bitflags! { . impl AdtFlags: u16 { . const NO_ADT_FLAGS = 0; . /// Indicates whether the ADT is an enum. . const IS_ENUM = 1 << 0; . /// Indicates whether the ADT is a union. . const IS_UNION = 1 << 1; . /// Indicates whether the ADT is a struct. . const IS_STRUCT = 1 << 2; -- line 42 ---------------------------------------- -- line 180 ---------------------------------------- . . #[derive(Copy, Clone, PartialEq, Eq, Hash, StableHash)] . #[rustc_pass_by_value] . pub struct AdtDef<'tcx>(pub Interned<'tcx, AdtDefData>); . . impl<'tcx> AdtDef<'tcx> { . #[inline] . pub fn did(self) -> DefId { 23,606 ( 0.00%) self.0.0.did . } . . #[inline] . pub fn variants(self) -> &'tcx IndexSlice { . &self.0.0.variants . } . . #[inline] . pub fn variant(self, idx: VariantIdx) -> &'tcx VariantDef { . &self.0.0.variants[idx] . } . . #[inline] . pub fn flags(self) -> AdtFlags { 64 ( 0.00%) self.0.0.flags . } . . #[inline] . pub fn repr(self) -> ReprOptions { . self.0.0.repr . } . . pub fn field_representing_type_info( -- line 211 ---------------------------------------- 2,847 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/partialeq_to_none.rs -------------------------------------------------------------------------------- Ir -- line 36 ---------------------------------------- . pub PARTIALEQ_TO_NONE, . style, . "Binary comparison to `Option::None` relies on `T: PartialEq`, which is unneeded" . } . . declare_lint_pass!(PartialeqToNone => [PARTIALEQ_TO_NONE]); . . impl<'tcx> LateLintPass<'tcx> for PartialeqToNone { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { . // Skip expanded code, as we have no control over it anyway... 104,090 ( 0.00%) if e.span.from_expansion() { . return; . } . . // If the expression is of type `Option` . let is_ty_option = |expr: &Expr<'_>| { . cx.typeck_results() . .expr_ty(expr) . .peel_refs() . .is_diag_item(cx, sym::Option) . }; . . // If the expression is a literal `Option::None` . let is_none_ctor = 1,190 ( 0.00%) |expr: &Expr<'_>| !expr.span.from_expansion() && is_none_expr(cx, peel_hir_expr_refs(expr).0); 4,115 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/res.rs:clippy_utils::is_none_expr (170x) 850 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::peel_hir_expr_refs (170x) . 10,167 ( 0.00%) let mut applicability = Applicability::MachineApplicable; . 20,938 ( 0.00%) if let ExprKind::Binary(op, left_side, right_side) = e.kind { . // All other comparisons (e.g. `>= None`) have special meaning wrt T 293 ( 0.00%) let is_eq = match op.node { . BinOpKind::Eq => true, . BinOpKind::Ne => false, . _ => return, . }; . . // We are only interested in comparisons between `Option` and a literal `Option::None` 170 ( 0.00%) let scrutinee = match ( 170 ( 0.00%) is_none_ctor(left_side) && is_ty_option(right_side), 170 ( 0.00%) is_none_ctor(right_side) && is_ty_option(left_side), . ) { . (true, false) => right_side, . (false, true) => left_side, . _ => return, . }; . . // Peel away refs/derefs (as long as we don't cross manual deref impls), as . // autoref/autoderef will take care of those -- line 83 ---------------------------------------- -- line 97 ---------------------------------------- . "use `Option::is_none()` instead" . } else { . "use `Option::is_some()` instead" . }, . sugg, . applicability, . ); . } 416,360 ( 0.01%) } . } 90 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/functions/too_many_lines.rs -------------------------------------------------------------------------------- Ir -- line 13 ---------------------------------------- . kind: FnKind<'_>, . body: &hir::Body<'_>, . span: Span, . def_id: LocalDefId, . too_many_lines_threshold: u64, . ) { . // Closures must be contained in a parent body, which will be checked for `too_many_lines`. . // Don't check closures for `too_many_lines` to avoid duplicated lints. 862 ( 0.00%) if matches!(kind, FnKind::Closure) || (span.from_expansion() && span.in_external_macro(cx.sess().source_map())) { . return; . } . 556 ( 0.00%) let mut line_count: u64 = 0; 278 ( 0.00%) let too_many = body.value.span.check_text(cx, |src| { . let mut in_comment = false; . let mut code_in_line; . 834 ( 0.00%) let function_lines = if matches!(body.value.kind, hir::ExprKind::Block(..)) 278 ( 0.00%) && src.as_bytes().first().copied() == Some(b'{') 278 ( 0.00%) && src.as_bytes().last().copied() == Some(b'}') . { . // Removing the braces from the enclosing block . &src[1..src.len() - 1] . } else { . src . } . .trim() // Remove leading and trailing blank lines . .lines(); . . for mut line in function_lines { . code_in_line = false; . loop { . line = line.trim_start(); 6,109 ( 0.00%) if line.is_empty() { . break; . } 11,394 ( 0.00%) if in_comment { 6 ( 0.00%) if let Some(i) = line.find("*/") { . line = &line[i + 2..]; . in_comment = false; . continue; . } . } else { . let multi_idx = line.find("/*").unwrap_or(line.len()); . let single_idx = line.find("//").unwrap_or(line.len()); 34,164 ( 0.00%) code_in_line |= multi_idx > 0 && single_idx > 0; . // Implies multi_idx is below line.len() 11,388 ( 0.00%) if multi_idx < single_idx { . line = &line[multi_idx + 2..]; . in_comment = true; . continue; . } . } . break; . } 11,382 ( 0.00%) if code_in_line { 21,920 ( 0.00%) line_count += 1; . } . } 1,112 ( 0.00%) line_count > too_many_lines_threshold . }); . . if too_many { . span_lint( . cx, . TOO_MANY_LINES, . cx.tcx.def_span(def_id), 54 ( 0.00%) format!("this function has too many lines ({line_count}/{too_many_lines_threshold})"), . ); . } . } 65,279 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_slice_size_calculation.rs -------------------------------------------------------------------------------- Ir -- line 47 ---------------------------------------- . . impl ManualSliceSizeCalculation { . pub fn new(conf: &Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for ManualSliceSizeCalculation { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 104,090 ( 0.00%) if let ExprKind::Binary(ref op, left, right) = expr.kind 246 ( 0.00%) && BinOpKind::Mul == op.node . && !expr.span.from_expansion() . && let Some((receiver, refs_count)) = simplify(cx, left, right) . && (!is_in_const_context(cx) || self.msrv.meets(cx, msrvs::CONST_SIZE_OF_VAL)) . { . let ctxt = expr.span.ctxt(); . let mut app = Applicability::MachineApplicable; . let deref = if refs_count > 0 { . "*".repeat(refs_count - 1) -- line 65 ---------------------------------------- -- line 74 ---------------------------------------- . MANUAL_SLICE_SIZE_CALCULATION, . expr.span, . "manual slice size calculation", . "try", . format!("{sugg}::mem::size_of_val({deref}{val_name})"), . app, . ); . } 416,360 ( 0.01%) } . } . . fn simplify<'tcx>( . cx: &LateContext<'tcx>, . expr1: &'tcx Expr<'tcx>, . expr2: &'tcx Expr<'tcx>, . ) -> Option<(&'tcx Expr<'tcx>, usize)> { . let expr1 = expr_or_init(cx, expr1); -- line 90 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/source.rs -------------------------------------------------------------------------------- Ir -- line 46 ---------------------------------------- . #[inline] . fn source_map(self) -> &'sm SourceMap { . ::rustc_lint::LintContext::sess(self).source_map() . } . } . impl<'sm> HasSourceMap<'sm> for &LateContext<'sm> { . #[inline] . fn source_map(self) -> &'sm SourceMap { 1,456 ( 0.00%) self.tcx.sess.source_map() . } . } . . /// Conversion of a value into the range portion of a `Span`. . pub trait SpanRange: Sized { . fn into_range(self) -> Range; . } . impl SpanRange for Span { 6,435 ( 0.00%) fn into_range(self) -> Range { . let data = self.data(); 2,574 ( 0.00%) data.lo..data.hi 2,574 ( 0.00%) } . } . impl SpanRange for SpanData { . fn into_range(self) -> Range { . self.lo..self.hi . } . } . impl SpanRange for Range { . fn into_range(self) -> Range { -- line 74 ---------------------------------------- -- line 96 ---------------------------------------- . fn with_ctxt(self, ctxt: SyntaxContext) -> Span { . Span::new(self.lo, self.hi, ctxt, self.parent) . } . } . impl IntoSpan for Range { . fn into_span(self) -> Span { . Span::with_root_ctxt(self.start, self.end) . } 15 ( 0.00%) fn with_ctxt(self, ctxt: SyntaxContext) -> Span { . Span::new(self.start, self.end, ctxt, None) 9 ( 0.00%) } . } . . pub trait SpanExt: SpanRange { . /// Attempts to get a handle to the source text. Returns `None` if either the span is malformed, . /// or the source text is not accessible. . fn get_text<'sm>(self, sm: impl HasSourceMap<'sm>) -> Option { 1,823 ( 0.00%) get_source_range(sm.source_map(), self.into_range()).and_then(SourceText::new) 1,029 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::get_source_range (3x) 51 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:::into_range (3x) . } . . /// Gets the source file, and range in the file, of the given span. Returns `None` if the span . /// extends through multiple files, or is malformed. . fn get_source_range<'sm>(self, sm: impl HasSourceMap<'sm>) -> Option { 1,991 ( 0.00%) get_source_range(sm.source_map(), self.into_range()) 17,150 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::get_source_range (50x) . } . . /// Calls the given function with the source text referenced and returns the value. Returns . /// `None` if the source text cannot be retrieved. 1,785 ( 0.00%) fn with_source_text<'sm, T>(self, sm: impl HasSourceMap<'sm>, f: impl for<'a> FnOnce(&'a str) -> T) -> Option { 2,306 ( 0.00%) with_source_text(sm.source_map(), self.into_range(), f) 4,726 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:::into_range (278x) 2,166 ( 0.00%) } . . /// Checks if the referenced source text satisfies the given predicate. Returns `false` if the . /// source text cannot be retrieved. . fn check_text<'sm>(self, sm: impl HasSourceMap<'sm>, pred: impl for<'a> FnOnce(&'a str) -> bool) -> bool { 960 ( 0.00%) self.with_source_text(sm, pred).unwrap_or(false) 904 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:::with_source_text:: (2x) . } . . /// Calls the given function with the both the text of the source file and the referenced range, . /// and returns the value. Returns `None` if the source text cannot be retrieved. . fn with_source_text_and_range<'sm, T>( . self, . sm: impl HasSourceMap<'sm>, . f: impl for<'a> FnOnce(&'a str, Range) -> T, -- line 139 ---------------------------------------- -- line 141 ---------------------------------------- . with_source_text_and_range(sm.source_map(), self.into_range(), f) . } . . /// Calls the given function with the both the text of the source file and the referenced range, . /// and creates a new span with the returned range. Returns `None` if the source text cannot be . /// retrieved, or no result is returned. . /// . /// The new range must reside within the same source file. 24 ( 0.00%) fn map_range<'sm>( . self, . sm: impl HasSourceMap<'sm>, . f: impl for<'a> FnOnce(&'a SourceFile, &'a str, Range) -> Option>, . ) -> Option> { 15 ( 0.00%) map_range(sm.source_map(), self.into_range(), f) 51 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:::into_range (3x) 27 ( 0.00%) } . . /// Extends the range to include all preceding whitespace characters. . /// . /// The range will not be expanded if it would cross a line boundary, the line the range would . /// be extended to ends with a line comment and the text after the range contains a . /// non-whitespace character on the same line. e.g. . /// . /// ```ignore -- line 163 ---------------------------------------- -- line 177 ---------------------------------------- . } . } . impl SpanExt for T {} . . /// Handle to a range of text in a source file. . pub struct SourceText(SourceFileRange); . impl SourceText { . /// Takes ownership of the source file handle if the source text is accessible. 263 ( 0.00%) pub fn new(text: SourceFileRange) -> Option { . if text.as_str().is_some() { 1,052 ( 0.00%) Some(Self(text)) . } else { . None . } 263 ( 0.00%) } . . /// Gets the source text. . pub fn as_str(&self) -> &str { . self.0.as_str().unwrap() . } . . /// Converts this into an owned string. . pub fn to_owned(&self) -> String { . self.as_str().to_owned() . } . } . impl Deref for SourceText { . type Target = str; . fn deref(&self) -> &Self::Target { . self.as_str() 263 ( 0.00%) } . } . impl AsRef for SourceText { . fn as_ref(&self) -> &str { . self.as_str() . } . } . impl Index for SourceText . where -- line 215 ---------------------------------------- -- line 226 ---------------------------------------- . } . } . impl fmt::Debug for SourceText { . fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { . self.as_str().fmt(f) . } . } . 13,540 ( 0.00%) fn get_source_range(sm: &SourceMap, sp: Range) -> Option { 10,832 ( 0.00%) let start = sm.lookup_byte_offset(sp.start); 193,266 ( 0.00%) => ???:::lookup_byte_offset (1,354x) 6,770 ( 0.00%) let end = sm.lookup_byte_offset(sp.end); 193,266 ( 0.00%) => ???:::lookup_byte_offset (1,354x) 4,062 ( 0.00%) if !Arc::ptr_eq(&start.sf, &end.sf) || start.pos > end.pos { . return None; . } 4,062 ( 0.00%) sm.ensure_source_file_source_present(&start.sf); 347,480 ( 0.01%) => ???:::ensure_source_file_source_present (1,354x) . let range = start.pos.to_usize()..end.pos.to_usize(); 5,416 ( 0.00%) Some(SourceFileRange { sf: start.sf, range }) 12,186 ( 0.00%) } . 1,089 ( 0.00%) fn with_source_text(sm: &SourceMap, sp: Range, f: impl for<'a> FnOnce(&'a str) -> T) -> Option { 7,323 ( 0.00%) if let Some(src) = get_source_range(sm, sp) 100,914 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::get_source_range (278x) 2,282 ( 0.00%) && let Some(src) = src.as_str() 7,784 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::as_str (278x) . { . Some(f(src)) . } else { . None . } 792 ( 0.00%) } . . fn with_source_text_and_range( . sm: &SourceMap, . sp: Range, . f: impl for<'a> FnOnce(&'a str, Range) -> T, . ) -> Option { . if let Some(src) = get_source_range(sm, sp) . && let Some(text) = &src.sf.src -- line 261 ---------------------------------------- -- line 267 ---------------------------------------- . } . . #[expect(clippy::cast_possible_truncation)] . fn map_range( . sm: &SourceMap, . sp: Range, . f: impl for<'a> FnOnce(&'a SourceFile, &'a str, Range) -> Option>, . ) -> Option> { 27 ( 0.00%) if let Some(src) = get_source_range(sm, sp.clone()) 1,089 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::get_source_range (3x) 9 ( 0.00%) && let Some(text) = &src.sf.src 12 ( 0.00%) && let Some(range) = f(&src.sf, text, src.range.clone()) . { . debug_assert!( . range.start <= text.len() && range.end <= text.len(), . "Range `{range:?}` is outside the source file (file `{}`, length `{}`)", . src.sf.name.prefer_local_unconditionally(), . text.len(), . ); . debug_assert!(range.start <= range.end, "Range `{range:?}` has overlapping bounds"); 3 ( 0.00%) let dstart = (range.start as u32).wrapping_sub(src.range.start as u32); . let dend = (range.end as u32).wrapping_sub(src.range.start as u32); 9 ( 0.00%) Some(BytePos(sp.start.0.wrapping_add(dstart))..BytePos(sp.start.0.wrapping_add(dend))) . } else { . None . } . } . . fn ends_with_line_comment_or_broken(text: &str) -> bool { . let Some(last) = tokenize(text, FrontmatterAllowed::No).last() else { . return false; -- line 296 ---------------------------------------- -- line 355 ---------------------------------------- . } . impl SourceFileRange { . /// Attempts to get the text from the source file. This can fail if the source text isn't . /// loaded. . pub fn as_str(&self) -> Option<&str> { . (self.sf.src.as_ref().map(|src| src.as_str())) . .or_else(|| self.sf.external_src.get()?.get_source()) . .and_then(|x| x.get(self.range.clone())) 680 ( 0.00%) } . } . . /// Like [`snippet_block`], but add braces if the expr is not an `ExprKind::Block` with no label. 96 ( 0.00%) pub fn expr_block<'sm>( . sm: impl HasSourceMap<'sm>, . expr: &Expr<'_>, . outer: SyntaxContext, . default: &str, . indent_relative_to: Option, . app: &mut Applicability, . ) -> String { 128 ( 0.00%) let (code, from_macro) = snippet_block_with_context(sm, expr.span, outer, default, indent_relative_to, app); 219,909 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::snippet_block_with_context::<&rustc_lint::context::LateContext> (16x) 64 ( 0.00%) if !from_macro 6 ( 0.00%) && let ExprKind::Block(block, None) = expr.kind . && block.rules != BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided) . { 24 ( 0.00%) code . } else { . // FIXME: add extra indent for the unsafe blocks: . // original code: unsafe { ... } . // result code: { unsafe { ... } } . // desired code: {\n unsafe { ... }\n} 30 ( 0.00%) format!("{{ {code} }}") . } 80 ( 0.00%) } . . /// Returns a new Span that extends the original Span to the first non-whitespace char of the first . /// line. . /// . /// ```rust,ignore . /// let x = (); . /// // ^^ . /// // will be converted to -- line 396 ---------------------------------------- -- line 413 ---------------------------------------- . /// . /// ```no_run . /// let x = (); . /// // ^^ . /// // will be converted to . /// let x = (); . /// // ^^^^^^^^^^^^^^ . /// ``` 128 ( 0.00%) fn line_span<'sm>(sm: impl HasSourceMap<'sm>, span: Span) -> Span { 64 ( 0.00%) let span = original_sp(span, DUMMY_SP); 352 ( 0.00%) => ???:rustc_span::source_map::original_sp (16x) 48 ( 0.00%) let SourceFileAndLine { sf, line } = sm.source_map().lookup_line(span.lo()).unwrap(); 4,168 ( 0.00%) => ???:::lookup_line (16x) 64 ( 0.00%) let line_start = sf.lines()[line]; 128 ( 0.00%) => ???:::lines (16x) . let line_start = sf.absolute_position(line_start); . span.with_lo(line_start) 128 ( 0.00%) } . . /// Returns the indentation of the line of a span . /// . /// ```rust,ignore . /// let x = (); . /// // ^^ -- will return 0 . /// let x = (); . /// // ^^ -- will return 4 . /// ``` 64 ( 0.00%) pub fn indent_of<'sm>(sm: impl HasSourceMap<'sm>, span: Span) -> Option { 80 ( 0.00%) snippet_opt(sm, line_span(sm, span)).and_then(|snip| snip.find(|c: char| !c.is_whitespace())) 5,928 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::line_span::<&rustc_lint::context::LateContext> (16x) 96 ( 0.00%) } . . /// Gets a snippet of the indentation of the line of a span . pub fn snippet_indent<'sm>(sm: impl HasSourceMap<'sm>, span: Span) -> Option { . snippet_opt(sm, line_span(sm, span)).map(|mut s| { . let len = s.len() - s.trim_start().len(); . s.truncate(len); . s . }) -- line 447 ---------------------------------------- -- line 485 ---------------------------------------- . } . break; . } . rpos . }) . } . . /// Reindent a multiline string with possibility of ignoring the first line. 176 ( 0.00%) pub fn reindent_multiline(s: &str, ignore_first: bool, indent: Option) -> String { 48 ( 0.00%) let s_space = reindent_multiline_inner(s, ignore_first, indent, ' '); 58,356 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::reindent_multiline_inner (16x) 112 ( 0.00%) let s_tab = reindent_multiline_inner(&s_space, ignore_first, indent, '\t'); 72,496 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::reindent_multiline_inner (16x) 112 ( 0.00%) reindent_multiline_inner(&s_tab, ignore_first, indent, ' ') 58,768 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::reindent_multiline_inner (16x) 144 ( 0.00%) } . 624 ( 0.00%) fn reindent_multiline_inner(s: &str, ignore_first: bool, indent: Option, ch: char) -> String { . let x = s . .lines() . .skip(usize::from(ignore_first)) . .filter_map(|l| { 318 ( 0.00%) if l.is_empty() { . None . } else { . // ignore empty lines 1,497 ( 0.00%) Some(l.char_indices().find(|&(_, x)| x != ch).unwrap_or((l.len(), ch)).0) . } . }) . .min() . .unwrap_or(0); . let indent = indent.unwrap_or(0); . s.lines() . .enumerate() . .map(|(i, l)| { 1,230 ( 0.00%) if (ignore_first && i == 0) || l.is_empty() { . l.to_owned() 1,122 ( 0.00%) } else if x > indent { . l.split_at(x - indent).1.to_owned() . } else { 51 ( 0.00%) " ".repeat(indent - x) + l . } . }) . .collect::>() . .join("\n") 384 ( 0.00%) } . . /// Converts a span to a code snippet if available, otherwise returns the default. . /// . /// This is useful if you want to provide suggestions for your lint or more generally, if you want . /// to convert a given `Span` to a `str`. . /// . /// To create suggestions consider using [`snippet_with_applicability`] to ensure that the . /// applicability stays correct. -- line 535 ---------------------------------------- -- line 541 ---------------------------------------- . /// // ^^^^^ ^^^^^^^^^^ . /// // span1 span2 . /// . /// // The snippet call would return the corresponding code snippet . /// snippet(cx, span1, "..") // -> "value" . /// snippet(cx, span2, "..") // -> "Vec::new()" . /// ``` . pub fn snippet<'a, 'sm>(sm: impl HasSourceMap<'sm>, span: Span, default: &'a str) -> Cow<'a, str> { 40 ( 0.00%) snippet_opt(sm, span).map_or_else(|| Cow::Borrowed(default), From::from) . } . . /// Same as [`snippet`], but it adapts the applicability level by following rules: . /// . /// - Applicability level `Unspecified` will never be changed. . /// - If the span is inside a macro, change the applicability level to `MaybeIncorrect`. . /// - If the default value is used and the applicability level is `MachineApplicable`, change it to . /// `HasPlaceholders` -- line 557 ---------------------------------------- -- line 559 ---------------------------------------- . /// If the span might realistically contain a macro call (e.g. `vec![]`), consider using . /// [`snippet_with_context`] instead. . pub fn snippet_with_applicability<'a, 'sm>( . sm: impl HasSourceMap<'sm>, . span: Span, . default: &'a str, . applicability: &mut Applicability, . ) -> Cow<'a, str> { 97 ( 0.00%) snippet_with_applicability_sm(sm.source_map(), span, default, applicability) 4,094 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::snippet_with_applicability_sm (9x) . } . 180 ( 0.00%) fn snippet_with_applicability_sm<'a>( . sm: &SourceMap, . span: Span, . default: &'a str, . applicability: &mut Applicability, . ) -> Cow<'a, str> { 45 ( 0.00%) if *applicability != Applicability::Unspecified && span.from_expansion() { . *applicability = Applicability::MaybeIncorrect; . } 207 ( 0.00%) if let Some(t) = snippet_opt(sm, span) { 18 ( 0.00%) Cow::Owned(t) . } else { . if *applicability == Applicability::MachineApplicable { . *applicability = Applicability::HasPlaceholders; . } . Cow::Borrowed(default) . } 144 ( 0.00%) } . . /// Converts a span to a code snippet. Returns `None` if not available. 387 ( 0.00%) pub fn snippet_opt<'sm>(sm: impl HasSourceMap<'sm>, span: Span) -> Option { 1,294 ( 0.00%) sm.source_map().span_to_snippet(span).ok() 1,221 ( 0.00%) => ???:::span_to_snippet (3x) 516 ( 0.00%) } . . /// Converts a span (from a block) to a code snippet if available, otherwise use default. . /// . /// This trims the code of indentation, except for the first line. Use it for blocks or block-like . /// things which need to be printed as such. . /// . /// The `indent_relative_to` arg can be used, to provide a span, where the indentation of the . /// resulting snippet of the given span. -- line 600 ---------------------------------------- -- line 646 ---------------------------------------- . applicability: &mut Applicability, . ) -> String { . let snip = snippet_with_applicability(sm, span, default, applicability); . let indent = indent_relative_to.and_then(|s| indent_of(sm, s)); . reindent_multiline(&snip, true, indent) . } . . /// Combination of [`snippet_block`] and [`snippet_with_context`]. 176 ( 0.00%) pub fn snippet_block_with_context<'sm>( . sm: impl HasSourceMap<'sm>, . span: Span, . outer: SyntaxContext, . default: &str, . indent_relative_to: Option, . app: &mut Applicability, . ) -> (String, bool) { 64 ( 0.00%) let (snip, from_macro) = snippet_with_context(sm, span, outer, default, app); 32 ( 0.00%) let indent = indent_relative_to.and_then(|s| indent_of(sm, s)); 15,823 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::indent_of::<&rustc_lint::context::LateContext> (16x) 144 ( 0.00%) (reindent_multiline(&snip, true, indent), from_macro) 191,684 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::reindent_multiline (16x) 144 ( 0.00%) } . . /// Same as [`snippet_with_applicability`], but first walks the span up to the given context. . /// . /// This will result in the macro call, rather than the expansion, if the span is from a child . /// context. If the span is not from a child context, it will be used directly instead. . /// . /// e.g. Given the expression `&vec![]`, getting a snippet from the span for `vec![]` as a HIR node . /// would result in `box []`. If given the context of the address of expression, this function will -- line 673 ---------------------------------------- -- line 676 ---------------------------------------- . /// This will also return whether or not the snippet is a macro call. . pub fn snippet_with_context<'a, 'sm>( . sm: impl HasSourceMap<'sm>, . span: Span, . outer: SyntaxContext, . default: &'a str, . applicability: &mut Applicability, . ) -> (Cow<'a, str>, bool) { 170 ( 0.00%) snippet_with_context_sm(sm.source_map(), span, outer, default, applicability) 5,203 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::snippet_with_context_sm (8x) . } . 351 ( 0.00%) fn snippet_with_context_sm<'a>( . sm: &SourceMap, . span: Span, . outer: SyntaxContext, . default: &'a str, . applicability: &mut Applicability, . ) -> (Cow<'a, str>, bool) { . // If it is just range desugaring, use the desugaring span since it may include parenthesis. 54 ( 0.00%) if span.desugaring_kind() == Some(DesugaringKind::RangeExpr) && span.parent_callsite().unwrap().ctxt() == outer { 2,592 ( 0.00%) => ???:::desugaring_kind (27x) . return (snippet_with_applicability_sm(sm, span, default, applicability), false); . } . . let (span, is_macro_call) = walk_span_to_context(span, outer).map_or_else( . || { . // The span is from a macro argument, and the outer context is the macro using the argument . if *applicability != Applicability::Unspecified { . *applicability = Applicability::MaybeIncorrect; -- line 703 ---------------------------------------- -- line 707 ---------------------------------------- . }, . |outer_span| (outer_span, span.ctxt() != outer), . ); . . ( . snippet_with_applicability_sm(sm, span, default, applicability), . is_macro_call, . ) 243 ( 0.00%) } . . /// Walks the span up to the target context, thereby returning the macro call site if the span is . /// inside a macro expansion, or the original span if it is not. . /// . /// Note this will return `None` in the case of the span being in a macro expansion, but the target . /// context is from expanding a macro argument. . /// . /// Given the following -- line 723 ---------------------------------------- -- line 736 ---------------------------------------- . /// ```rust,ignore . /// macro_rules! m { ($e:expr) => { n!($e, 0) }; } . /// macro_rules! n { ($e:expr, $f:expr) => { f($e, $f) }; } . /// g(m!(0)) . /// ``` . /// . /// If called with a span of the call to `f` and a context of the call to `g` this will return a . /// span containing `m!(0)`. 714 ( 0.00%) pub fn walk_span_to_context(span: Span, outer: SyntaxContext) -> Option { 495 ( 0.00%) let outer_span = hygiene::walk_chain(span, outer); 1,722 ( 0.00%) => ???:rustc_span::hygiene::walk_chain (27x) . (outer_span.ctxt() == outer).then_some(outer_span) 714 ( 0.00%) } . . /// Trims the whitespace from the start and the end of the span. . pub fn trim_span(sm: &SourceMap, span: Span) -> Span { . let data = span.data(); . let sf: &_ = &sm.lookup_source_file(data.lo); . let Some(src) = sf.src.as_deref() else { . return span; . }; -- line 755 ---------------------------------------- -- line 774 ---------------------------------------- . /// ``` . pub fn expand_past_previous_comma<'sm>(sm: impl HasSourceMap<'sm>, span: Span) -> Span { . let extended = sm.source_map().span_extend_to_prev_char(span, ',', true); . extended.with_lo(extended.lo() - BytePos(1)) . } . . /// Converts `expr` to a `char` literal if it's a `str` literal containing a single . /// character (or a single byte with `ascii_only`) 64 ( 0.00%) pub fn str_literal_to_char_literal<'sm>( . sm: impl HasSourceMap<'sm>, . expr: &Expr<'_>, . applicability: &mut Applicability, . ascii_only: bool, . ) -> Option { 32 ( 0.00%) if let ExprKind::Lit(lit) = &expr.kind 4 ( 0.00%) && let LitKind::Str(r, style) = lit.node . && let string = r.as_str() 2 ( 0.00%) && let len = if ascii_only { . string.len() . } else { . string.chars().count() . } 3 ( 0.00%) && len == 1 . { . let snip = snippet_with_applicability(sm, expr.span, string, applicability); . let ch = if let StrStyle::Raw(nhash) = style { . let nhash = nhash as usize; . // for raw string: r##"a"## . &snip[(nhash + 2)..(snip.len() - 1 - nhash)] . } else { . // for regular string: "a" -- line 804 ---------------------------------------- -- line 812 ---------------------------------------- . r"\" => "\\\\", . "\\\"" => "\"", // no need to escape `"` in `'"'` . _ => ch, . } . ); . . Some(hint) . } else { 8 ( 0.00%) None . } 72 ( 0.00%) } . . #[cfg(test)] . mod test { . use super::reindent_multiline; . . #[test] . fn test_reindent_multiline_single_line() { . assert_eq!("", reindent_multiline("", false, None)); -- line 830 ---------------------------------------- 5,347 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/hygiene.rs -------------------------------------------------------------------------------- Ir -- line 45 ---------------------------------------- . use crate::edition::Edition; . use crate::source_map::SourceMap; . use crate::symbol::{Symbol, kw, sym}; . use crate::{DUMMY_SP, Span, SpanDecoder, SpanEncoder, with_session_globals}; . . /// A `SyntaxContext` represents a chain of pairs `(ExpnId, Transparency)` named "marks". . /// . /// See for more explanation. 700,408 ( 0.01%) #[derive(Clone, Copy, PartialEq, Eq, Hash)] . pub struct SyntaxContext(u32); . . // To ensure correctness of incremental compilation, . // `SyntaxContext` must not implement `Ord` or `PartialOrd`. . // See https://github.com/rust-lang/rust/issues/90317. . impl !Ord for SyntaxContext {} . impl !PartialOrd for SyntaxContext {} . -- line 61 ---------------------------------------- -- line 98 ---------------------------------------- . . rustc_index::newtype_index! { . /// A unique ID associated with a macro invocation and expansion. . #[orderable] . pub struct ExpnIndex {} . } . . /// A unique ID associated with a macro invocation and expansion. 1,236,811 ( 0.02%) #[derive(Clone, Copy, PartialEq, Eq, Hash)] . pub struct ExpnId { . pub krate: CrateNum, . pub local_id: ExpnIndex, . } . . impl fmt::Debug for ExpnId { . fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { . // Generate crate_::{{expn_}}. -- line 114 ---------------------------------------- -- line 286 ---------------------------------------- . #[inline] . #[track_caller] . pub fn expect_local(self) -> LocalExpnId { . self.as_local().unwrap() . } . . #[inline] . pub fn expn_data(self) -> ExpnData { 600,318 ( 0.01%) HygieneData::with(|data| data.expn_data(self).clone()) 9,004,770 ( 0.17%) => ???:::expn_data (600,318x) . } . . #[inline] . pub fn is_descendant_of(self, ancestor: ExpnId) -> bool { . // a few "fast path" cases to avoid locking HygieneData 40,972 ( 0.00%) if ancestor == ExpnId::root() || ancestor == self { . return true; . } . if ancestor.krate != self.krate { . return false; . } 10,979 ( 0.00%) HygieneData::with(|data| data.is_descendant_of(self, ancestor)) 2,230,814 ( 0.04%) => ???:::is_descendant_of (10,979x) . } . . /// `expn_id.outer_expn_is_descendant_of(ctxt)` is equivalent to but faster than . /// `expn_id.is_descendant_of(ctxt.outer_expn())`. . #[inline] . pub fn outer_expn_is_descendant_of(self, ctxt: SyntaxContext) -> bool { . // fast path to avoid locking: everything is a descendant of the root context's . // outer expansion -- line 314 ---------------------------------------- -- line 385 ---------------------------------------- . syntax_context_data: vec![root_ctxt_data], . syntax_context_map: iter::once((root_ctxt_data.key(), SyntaxContext(0))).collect(), . expn_data_disambiguators: UnhashMap::default(), . } . } . . #[inline] . fn with(f: impl FnOnce(&mut HygieneData) -> R) -> R { 2,074,551 ( 0.04%) with_session_globals(|session_globals| f(&mut session_globals.hygiene_data.borrow_mut())) . } . . #[inline] . fn expn_hash(&self, expn_id: ExpnId) -> ExpnHash { . match expn_id.as_local() { . Some(expn_id) => self.local_expn_hashes[expn_id], . None => self.foreign_expn_hashes[&expn_id], . } -- line 401 ---------------------------------------- -- line 441 ---------------------------------------- . #[inline] . fn normalize_to_macro_rules(&self, ctxt: SyntaxContext) -> SyntaxContext { . self.syntax_context_data[ctxt.0 as usize].opaque_and_semiopaque . } . . /// See [`SyntaxContextData::outer_expn`] . #[inline] . fn outer_expn(&self, ctxt: SyntaxContext) -> ExpnId { 1,721,296 ( 0.03%) self.syntax_context_data[ctxt.0 as usize].outer_expn . } . . /// The last macro expansion and its Transparency . #[inline] . fn outer_mark(&self, ctxt: SyntaxContext) -> (ExpnId, Transparency) { . let data = &self.syntax_context_data[ctxt.0 as usize]; . (data.outer_expn, data.outer_transparency) . } -- line 457 ---------------------------------------- -- line 698 ---------------------------------------- . impl SyntaxContext { . #[inline] . pub const fn root() -> Self { . SyntaxContext(0) . } . . #[inline] . pub const fn is_root(self) -> bool { 470,106 ( 0.01%) self.0 == SyntaxContext::root().as_u32() . } . . #[inline] . pub(crate) const fn as_u32(self) -> u32 { . self.0 . } . . #[inline] -- line 714 ---------------------------------------- -- line 904 ---------------------------------------- . pub fn outer_expn(self) -> ExpnId { . HygieneData::with(|data| data.outer_expn(self)) . } . . /// `ctxt.outer_expn_data()` is equivalent to but faster than . /// `ctxt.outer_expn().expn_data()`. . #[inline] . pub fn outer_expn_data(self) -> ExpnData { 258,042 ( 0.00%) HygieneData::with(|data| data.expn_data(data.outer_expn(self)).clone()) 3,870,630 ( 0.07%) => ???:::expn_data (258,042x) . } . . /// See [`HygieneData::outer_mark`] . #[inline] . fn outer_mark(self) -> (ExpnId, Transparency) { . HygieneData::with(|data| data.outer_mark(self)) . } . -- line 920 ---------------------------------------- -- line 975 ---------------------------------------- . }; . let expn_id = LocalExpnId::fresh(expn_data, hcx); . self.apply_mark(expn_id.to_expn_id(), Transparency::Transparent) . } . } . . /// A subset of properties from both macro definition and macro call available through global data. . /// Avoid using this if you have access to the original definition or call structures. 10,300,320 ( 0.19%) #[derive(Clone, Debug, Encodable, Decodable, StableHash)] . pub struct ExpnData { . // --- The part unique to each expansion. . pub kind: ExpnKind, . /// The expansion that contains the definition of the macro for this expansion. . pub parent: ExpnId, . /// The span of the macro call which produced this expansion. . /// . /// This span will typically have a different `ExpnData` and `call_site`. -- line 991 ---------------------------------------- -- line 1003 ---------------------------------------- . /// that have identical `ExpnData`s. This violates the contract of `StableHash` . /// - the two `ExpnId`s are not equal, but their `Fingerprint`s are equal . /// (since the numerical `ExpnId` value is not considered by the `StableHash` . /// implementation). . /// . /// The `disambiguator` field is set by `update_disambiguator` when two distinct . /// `ExpnId`s would end up with the same `Fingerprint`. Since `ExpnData` includes . /// a `krate` field, this value only needs to be unique within a single crate. 858,360 ( 0.02%) disambiguator: u32, . . // --- The part specific to the macro/desugaring definition. . // --- It may be reasonable to share this part between expansions with the same definition, . // --- but such sharing is known to bring some minor inconveniences without also bringing . // --- noticeable perf improvements (PR #62898). . /// The span of the macro definition (possibly dummy). . /// This span serves only informational purpose and is not used for resolution. . pub def_site: Span, -- line 1019 ---------------------------------------- -- line 1024 ---------------------------------------- . /// Edition of the crate in which the macro is defined. . pub edition: Edition, . /// The `DefId` of the macro being invoked, . /// if this `ExpnData` corresponds to a macro invocation . pub macro_def_id: Option, . /// The normal module (`mod`) in which the expanded macro was defined. . pub parent_module: Option, . /// Suppresses the `unsafe_code` lint for code produced by this macro. 858,360 ( 0.02%) pub(crate) allow_internal_unsafe: bool, . /// Enables the macro helper hack (`ident!(...)` -> `$crate::ident!(...)`) for this macro. . pub local_inner_macros: bool, . /// Should debuginfo for the macro be collapsed to the outermost expansion site (in other . /// words, was the macro definition annotated with `#[collapse_debuginfo]`)? . pub(crate) collapse_debuginfo: bool, . /// When true, we prevent diagnostics pointing into this macro, if it is one, and we do not . /// display the note telling people to use the `-Zmacro-backtrace` flag. . pub diagnostic_opaque: bool, -- line 1040 ---------------------------------------- -- line 1123 ---------------------------------------- . fn hash_expn(&self, hcx: &mut impl StableHashCtxt) -> Hash64 { . let mut hasher = StableHasher::new(); . self.stable_hash(hcx, &mut hasher); . hasher.finish() . } . } . . /// Expansion kind. 858,570 ( 0.02%) #[derive(Clone, Debug, PartialEq, Encodable, Decodable, StableHash)] . pub enum ExpnKind { . /// No expansion, aka root expansion. Only `ExpnId::root()` has this kind. . Root, . /// Expansion produced by a macro. 17 ( 0.00%) Macro(MacroKind, Symbol), . /// Transform done by the compiler on the AST. . AstPass(AstPass), . /// Desugaring done by the compiler during AST lowering. . Desugaring(DesugaringKind), . } . . impl ExpnKind { . pub fn descr(&self) -> String { -- line 1144 ---------------------------------------- -- line 1151 ---------------------------------------- . }, . ExpnKind::AstPass(kind) => kind.descr().to_string(), . ExpnKind::Desugaring(kind) => format!("desugaring of {}", kind.descr()), . } . } . } . . /// The kind of macro invocation or definition. 34 ( 0.00%) #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Encodable, Decodable, Hash, Debug)] . #[derive(StableHash)] . pub enum MacroKind { . /// A bang macro `foo!()`. . Bang, . /// An attribute macro `#[foo]`. . Attr, . /// A derive macro `#[derive(Foo)]` . Derive, -- line 1167 ---------------------------------------- -- line 1205 ---------------------------------------- . AstPass::StdImports => "standard library imports", . AstPass::TestHarness => "test harness", . AstPass::ProcMacroHarness => "proc macro harness", . } . } . } . . /// The kind of compiler desugaring. 234 ( 0.00%) #[derive(Clone, Copy, PartialEq, Debug, Encodable, Decodable, StableHash)] . pub enum DesugaringKind { . QuestionMark, . TryBlock, . YeetExpr, . /// Desugaring of an `impl Trait` in return type position . /// to an `type Foo = impl Trait;` and replacing the . /// `impl Trait` with `Foo`. . OpaqueTy, -- line 1221 ---------------------------------------- 66,017 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/methods/unnecessary_to_owned.rs -------------------------------------------------------------------------------- Ir -- line 19 ---------------------------------------- . self, ClauseKind, GenericArg, GenericArgKind, GenericArgsRef, ParamTy, ProjectionPredicate, TraitPredicate, Ty, . }; . use rustc_span::Symbol; . use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _; . use rustc_trait_selection::traits::{Obligation, ObligationCause}; . . use super::UNNECESSARY_TO_OWNED; . 12,537 ( 0.00%) pub fn check<'tcx>( . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'tcx>, . method_name: Symbol, . receiver: &'tcx Expr<'_>, . args: &'tcx [Expr<'_>], . msrv: Msrv, . ) { 18,109 ( 0.00%) if let Some(method_parent_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id).opt_parent(cx) 71,167 ( 0.00%) => ???:::type_dependent_def_id (1,393x) . && args.is_empty() . { 12 ( 0.00%) if is_cloned_or_copied(cx, method_name, method_parent_id) { . unnecessary_iter_cloned::check(cx, expr, method_name, receiver); 39 ( 0.00%) } else if is_to_owned_like(cx, expr, method_name, method_parent_id) { . if check_split_call_arg(cx, expr, method_name, receiver) { . return; . } . // At this point, we know the call is of a `to_owned`-like function. The functions . // `check_addr_of_expr` and `check_into_iter_call_arg` determine whether the call is unnecessary . // based on its context, that is, whether it is a referent in an `AddrOf` expression, an . // argument in a `into_iter` call, or an argument in the call of some other function. . if check_addr_of_expr(cx, expr, method_name, method_parent_id, receiver) { -- line 48 ---------------------------------------- -- line 54 ---------------------------------------- . if check_string_from_utf8(cx, expr, receiver) { . return; . } . check_other_call_arg(cx, expr, method_name, receiver); . } . } else { . check_borrow_predicate(cx, expr); . } 11,144 ( 0.00%) } . . /// Checks whether `expr` is a referent in an `AddrOf` expression and, if so, determines whether its . /// call of a `to_owned`-like function is unnecessary. . #[expect(clippy::too_many_lines)] . fn check_addr_of_expr( . cx: &LateContext<'_>, . expr: &Expr<'_>, . method_name: Symbol, . method_parent_id: DefId, . receiver: &Expr<'_>, . ) -> bool { 6 ( 0.00%) if let Some(parent) = get_parent_expr(cx, expr) 198 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (2x) . && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, _) = parent.kind . && let adjustments = cx.typeck_results().expr_adjustments(parent).iter().collect::>() . && let . // For matching uses of `Cow::from` . [ . Adjustment { . kind: Adjust::Deref(DerefAdjustKind::Builtin), . target: referent_ty, -- line 82 ---------------------------------------- -- line 205 ---------------------------------------- . /// call of a `to_owned`-like function is unnecessary. . fn check_into_iter_call_arg( . cx: &LateContext<'_>, . expr: &Expr<'_>, . method_name: Symbol, . receiver: &Expr<'_>, . msrv: Msrv, . ) -> bool { 8 ( 0.00%) if let Some(parent) = get_parent_expr(cx, expr) 198 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (2x) . && let Some(callee_def_id) = fn_def_id(cx, parent) . && is_into_iter(cx, callee_def_id) . && let Some(iterator_trait_id) = cx.tcx.get_diagnostic_item(sym::Iterator) . && let parent_ty = cx.typeck_results().expr_ty(parent) . && implements_trait(cx, parent_ty, iterator_trait_id, &[]) . && let Some(item_ty) = get_iterator_item_ty(cx, parent_ty) . && let Some(receiver_snippet) = receiver.span.get_text(cx) . // If the receiver is a `Cow`, we can't remove the `into_owned` generally, see https://github.com/rust-lang/rust-clippy/issues/13624. -- line 221 ---------------------------------------- -- line 306 ---------------------------------------- . } else { . false . } . } . . /// Checks whether `expr` is an argument in an `into_iter` call and, if so, determines whether its . /// call of a `to_owned`-like function is unnecessary. . fn check_split_call_arg(cx: &LateContext<'_>, expr: &Expr<'_>, method_name: Symbol, receiver: &Expr<'_>) -> bool { 6 ( 0.00%) if let Some(parent) = get_parent_expr(cx, expr) 198 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (2x) . && let Some((sym::split, argument_expr)) = get_fn_name_and_arg(cx, parent) . && let Some(receiver_snippet) = receiver.span.get_text(cx) . && let Some(arg_snippet) = argument_expr.span.get_text(cx) . { . // We may end-up here because of an expression like `x.to_string().split(…)` where the type of `x` . // implements `AsRef` but does not implement `Deref`. In this case, we have to . // add `.as_ref()` to the suggestion. . let as_ref = if cx.typeck_results().expr_ty(expr).is_lang_item(cx, LangItem::String) -- line 322 ---------------------------------------- -- line 430 ---------------------------------------- . } . . /// Walks an expression's ancestors until it finds a non-`AddrOf` expression. Returns the first such . /// expression found (if any) along with the immediately prior expression. . fn skip_addr_of_ancestors<'tcx>( . cx: &LateContext<'tcx>, . mut expr: &'tcx Expr<'tcx>, . ) -> Option<(&'tcx Expr<'tcx>, &'tcx Expr<'tcx>)> { 18 ( 0.00%) while let Some(parent) = get_parent_expr(cx, expr) { 396 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (4x) . if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, _) = parent.kind { . expr = parent; . } else { . return Some((parent, expr)); . } . } . None . } -- line 446 ---------------------------------------- -- line 607 ---------------------------------------- . } . . fn has_lifetime(ty: Ty<'_>) -> bool { . ty.walk().any(|t| matches!(t.kind(), GenericArgKind::Lifetime(_))) . } . . /// Returns true if the named method is `Iterator::cloned` or `Iterator::copied`. . fn is_cloned_or_copied(cx: &LateContext<'_>, method_name: Symbol, method_parent_id: DefId) -> bool { 3,448 ( 0.00%) matches!(method_name, sym::cloned | sym::copied) && method_parent_id.is_diag_item(cx, sym::Iterator) . } . . /// Returns true if the named method can be used to convert the receiver to its "owned" . /// representation. . fn is_to_owned_like<'a>( . cx: &LateContext<'a>, . call_expr: &Expr<'a>, . method_name: Symbol, . method_parent_id: DefId, . ) -> bool { 6,848 ( 0.00%) is_cow_into_owned(cx, method_name, method_parent_id) 13,696 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/methods/unnecessary_to_owned.rs:clippy_lints::methods::unnecessary_to_owned::is_cow_into_owned (856x) 6,755 ( 0.00%) || (method_name != sym::to_string && is_clone_like(cx, method_name, method_parent_id)) 9,232 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/methods/implicit_clone.rs:clippy_lints::methods::implicit_clone::is_clone_like (843x) . || is_to_string_on_string_like(cx, call_expr, method_name, method_parent_id) . } . . /// Returns true if the named method is `Cow::into_owned`. 5,136 ( 0.00%) fn is_cow_into_owned(cx: &LateContext<'_>, method_name: Symbol, method_parent_id: DefId) -> bool { 856 ( 0.00%) method_name == sym::into_owned && method_parent_id.opt_impl_ty(cx).is_diag_item(cx, sym::Cow) 5,992 ( 0.00%) } . . /// Returns true if the named method is `ToString::to_string` and it's called on a type that . /// is string-like i.e. implements `AsRef` or `Deref`. . fn is_to_string_on_string_like<'a>( . cx: &LateContext<'_>, . call_expr: &'a Expr<'a>, . method_name: Symbol, . method_parent_id: DefId, . ) -> bool { 39 ( 0.00%) if method_name != sym::to_string || !method_parent_id.is_diag_item(cx, sym::ToString) { . return false; . } . 65 ( 0.00%) if let Some(args) = cx.typeck_results().node_args_opt(call_expr.hir_id) 507 ( 0.00%) => ???:::node_args_opt (13x) 26 ( 0.00%) && let [generic_arg] = args.as_slice() 13 ( 0.00%) && let GenericArgKind::Type(ty) = generic_arg.kind() 52 ( 0.00%) && let Some(deref_trait_id) = cx.tcx.get_diagnostic_item(sym::Deref) 936 ( 0.00%) => ???:::get_diagnostic_item (13x) 52 ( 0.00%) && let Some(as_ref_trait_id) = cx.tcx.get_diagnostic_item(sym::AsRef) 936 ( 0.00%) => ???:::get_diagnostic_item (13x) 91 ( 0.00%) && (cx.get_associated_type(ty, deref_trait_id, sym::Target) == Some(cx.tcx.types.str_) 41,368 ( 0.00%) => ???:::get_associated_type (13x) 104 ( 0.00%) || implements_trait(cx, ty, as_ref_trait_id, &[cx.tcx.types.str_.into()])) 29,547 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::implements_trait (13x) . { . true . } else { . false . } . } . . fn std_map_key<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option> { 10 ( 0.00%) match ty.kind() { . ty::Adt(adt, args) 19 ( 0.00%) if matches!( 10 ( 0.00%) cx.tcx.get_diagnostic_name(adt.did()), 385 ( 0.00%) => ???:::get_diagnostic_name (5x) . Some(sym::BTreeMap | sym::BTreeSet | sym::HashMap | sym::HashSet) . ) => . { 5 ( 0.00%) Some(args.type_at(0)) . }, . _ => None, . } . } . . fn is_str_and_string(cx: &LateContext<'_>, arg_ty: Ty<'_>, original_arg_ty: Ty<'_>) -> bool { . original_arg_ty.is_str() && arg_ty.is_lang_item(cx, LangItem::String) . } -- line 678 ---------------------------------------- -- line 681 ---------------------------------------- . (original_arg_ty.is_slice() || original_arg_ty.is_array() || original_arg_ty.is_array_slice()) . && arg_ty.is_diag_item(cx, sym::Vec) . } . . // This function will check the following: . // 1. The argument is a non-mutable reference. . // 2. It calls `to_owned()`, `to_string()` or `to_vec()`. . // 3. That the method is called on `String` or on `Vec` (only types supported for the moment). 35 ( 0.00%) fn check_if_applicable_to_argument<'tcx>(cx: &LateContext<'tcx>, arg: &Expr<'tcx>) { 15 ( 0.00%) if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, expr) = arg.kind 2 ( 0.00%) && let ExprKind::MethodCall(method_path, caller, &[], _) = expr.kind . && let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) . && let method_name = method_path.ident.name . && match method_name { . sym::to_owned => cx.tcx.is_diagnostic_item(sym::to_owned_method, method_def_id), . sym::to_string => cx.tcx.is_diagnostic_item(sym::to_string_method, method_def_id), . sym::to_vec => cx . .tcx . .impl_of_assoc(method_def_id) -- line 699 ---------------------------------------- -- line 719 ---------------------------------------- . if original_arg_ty.is_array() { . format!("{snippet}.as_slice()") . } else { . snippet.to_owned() . }, . Applicability::MaybeIncorrect, . ); . } 40 ( 0.00%) } . . // In std "map types", the getters all expect a `Borrow` generic argument. So in here, we . // check that: . // 1. This is a method with only one argument that doesn't come from a trait. . // 2. That it has `Borrow` in its generic predicates. . // 3. `Self` is a std "map type" (ie `HashSet`, `HashMap`, `BTreeSet`, `BTreeMap`). . // 4. The key to the "map type" is not a reference. . fn check_borrow_predicate<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { 6,375 ( 0.00%) if let ExprKind::MethodCall(_, caller, &[arg], _) = expr.kind 1,930 ( 0.00%) && let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) 19,734 ( 0.00%) => ???:::type_dependent_def_id (386x) 1,158 ( 0.00%) && cx.tcx.trait_of_assoc(method_def_id).is_none() 77,552 ( 0.00%) => ???:::trait_of_assoc (386x) 1,275 ( 0.00%) && let Some(borrow_id) = cx.tcx.get_diagnostic_item(sym::Borrow) 18,360 ( 0.00%) => ???:::get_diagnostic_item (255x) . && cx.tcx.clauses_of(method_def_id).clauses.iter().any(|(clause, _)| { 1,285 ( 0.00%) if let ClauseKind::Trait(trait_pred) = clause.kind().skip_binder() 3,668 ( 0.00%) => ???:::kind (262x) . && trait_pred.polarity == ty::PredicatePolarity::Positive . && trait_pred.trait_ref.def_id == borrow_id . { . true . } else { . false . } . }) 5 ( 0.00%) && let caller_ty = cx.typeck_results().expr_ty(caller) 200 ( 0.00%) => ???:::expr_ty (5x) . // For now we limit it to "map types". 5 ( 0.00%) && let Some(key_ty) = std_map_key(cx, caller_ty) . // We need to check that the key type is not a reference. 5 ( 0.00%) && !key_ty.is_ref() . { 5 ( 0.00%) check_if_applicable_to_argument(cx, &arg); 92 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/methods/unnecessary_to_owned.rs:clippy_lints::methods::unnecessary_to_owned::check_if_applicable_to_argument (5x) . } . } 10,531 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/result.rs -------------------------------------------------------------------------------- Ir -- line 587 ---------------------------------------- . /// let x: Result = Err("Some error message"); . /// assert_eq!(x.is_ok(), false); . /// ``` . #[must_use = "if you intended to assert that this is ok, consider `.unwrap()` instead"] . #[rustc_const_stable(feature = "const_result_basics", since = "1.48.0")] . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . pub const fn is_ok(&self) -> bool { 23 ( 0.00%) matches!(*self, Ok(_)) . } . . /// Returns `true` if the result is [`Ok`] and the value inside of it matches a predicate. . /// . /// # Examples . /// . /// ``` . /// let x: Result = Ok(2); -- line 603 ---------------------------------------- -- line 618 ---------------------------------------- . #[stable(feature = "is_some_and", since = "1.70.0")] . #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] . pub const fn is_ok_and(self, f: F) -> bool . where . F: [const] FnOnce(T) -> bool + [const] Destruct, . T: [const] Destruct, . E: [const] Destruct, . { 846 ( 0.00%) match self { . Err(_) => false, . Ok(x) => f(x), . } . } . . /// Returns `true` if the result is [`Err`]. . /// . /// # Examples -- line 634 ---------------------------------------- -- line 706 ---------------------------------------- . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] . #[rustc_diagnostic_item = "result_ok_method"] . pub const fn ok(self) -> Option . where . T: [const] Destruct, . E: [const] Destruct, . { 1,488 ( 0.00%) match self { 1,831 ( 0.00%) Ok(x) => Some(x), . Err(_) => None, . } . } . . /// Converts from `Result` to [`Option`]. . /// . /// Converts `self` into an [`Option`], consuming `self`, . /// and discarding the success value, if any. -- line 723 ---------------------------------------- -- line 828 ---------------------------------------- . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] . pub const fn map(self, op: F) -> Result . where . F: [const] FnOnce(T) -> U + [const] Destruct, . { 96 ( 0.00%) match self { 47 ( 0.00%) Ok(t) => Ok(op(t)), . Err(e) => Err(e), . } . } . . /// Returns the provided default (if [`Err`]), or . /// applies a function to the contained value (if [`Ok`]). . /// . /// Arguments passed to `map_or` are eagerly evaluated; if you are passing -- line 845 ---------------------------------------- -- line 957 ---------------------------------------- . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] . pub const fn map_err(self, op: O) -> Result . where . O: [const] FnOnce(E) -> F + [const] Destruct, . { 9,963 ( 0.00%) match self { 9,808 ( 0.00%) Ok(t) => Ok(t), . Err(e) => Err(op(e)), . } . } . . /// Calls a function with a reference to the contained value if [`Ok`]. . /// . /// Returns the original result. . /// -- line 974 ---------------------------------------- -- line 1174 ---------------------------------------- . /// [`std::error`](../../std/error/index.html) module docs. . #[inline] . #[track_caller] . #[stable(feature = "result_expect", since = "1.4.0")] . pub fn expect(self, msg: &str) -> T . where . E: fmt::Debug, . { 3,104 ( 0.00%) match self { . Ok(t) => t, . Err(e) => unwrap_failed(msg, &e), . } . } . . /// Returns the contained [`Ok`] value, consuming the `self` value. . /// . /// Because this function may panic, its use is generally discouraged. -- line 1190 ---------------------------------------- -- line 1222 ---------------------------------------- . /// ``` . #[inline(always)] . #[track_caller] . #[stable(feature = "rust1", since = "1.0.0")] . pub fn unwrap(self) -> T . where . E: fmt::Debug, . { 329 ( 0.00%) match self { 16 ( 0.00%) Ok(t) => t, . Err(e) => unwrap_failed("called `Result::unwrap()` on an `Err` value", &e), . } . } . . /// Returns the contained [`Ok`] value or a default . /// . /// Consumes the `self` argument then, if [`Ok`], returns the contained . /// value, otherwise if [`Err`], returns the default value for that -- line 1239 ---------------------------------------- -- line 1586 ---------------------------------------- . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] . pub const fn unwrap_or(self, default: T) -> T . where . T: [const] Destruct, . E: [const] Destruct, . { 98,188 ( 0.00%) match self { . Ok(t) => t, . Err(_) => default, . } . } . . /// Returns the contained [`Ok`] value or computes it from a closure. . /// . /// -- line 1602 ---------------------------------------- -- line 1612 ---------------------------------------- . #[track_caller] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] . pub const fn unwrap_or_else(self, op: F) -> T . where . F: [const] FnOnce(E) -> T + [const] Destruct, . { . match self { 15,112 ( 0.00%) Ok(t) => t, . Err(e) => op(e), . } . } . . /// Returns the contained [`Ok`] value, consuming the `self` value, . /// without checking that the value is not an [`Err`]. . /// . /// # Safety -- line 1628 ---------------------------------------- -- line 1643 ---------------------------------------- . /// unsafe { x.unwrap_unchecked() }; // Undefined behavior! . /// ``` . #[inline] . #[track_caller] . #[stable(feature = "option_result_unwrap_unchecked", since = "1.58.0")] . #[rustc_const_unstable(feature = "const_result_unwrap_unchecked", issue = "148714")] . pub const unsafe fn unwrap_unchecked(self) -> T { . match self { 4 ( 0.00%) Ok(t) => t, . Err(e) => { . // FIXME(const-hack): to avoid E: const Destruct bound . super::mem::forget(e); . // SAFETY: the safety contract must be upheld by the caller. . unsafe { hint::unreachable_unchecked() } . } . } . } -- line 1659 ---------------------------------------- -- line 1714 ---------------------------------------- . #[rustc_allow_const_fn_unstable(const_precise_live_drops)] . pub const fn copied(self) -> Result . where . T: Copy, . { . // FIXME(const-hack): this implementation, which sidesteps using `Result::map` since it's not const . // ready yet, should be reverted when possible to avoid code repetition . match self { 2,862 ( 0.00%) Ok(&v) => Ok(v), . Err(e) => Err(e), . } . } . . /// Maps a `Result<&T, E>` to a `Result` by cloning the contents of the . /// `Ok` part. . /// . /// # Examples -- line 1730 ---------------------------------------- -- line 2169 ---------------------------------------- . . #[inline] . fn from_output(output: Self::Output) -> Self { . Ok(output) . } . . #[inline] . fn branch(self) -> ControlFlow { 9,814 ( 0.00%) match self { 6,693 ( 0.00%) Ok(v) => ControlFlow::Continue(v), . Err(e) => ControlFlow::Break(Err(e)), . } . } . } . . #[unstable(feature = "try_trait_v2", issue = "84277", old_name = "try_trait")] . #[rustc_const_unstable(feature = "const_try", issue = "74935")] . const impl> ops::FromResidual> -- line 2186 ---------------------------------------- 114,995 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/regex.rs -------------------------------------------------------------------------------- Ir -- line 110 ---------------------------------------- . #[derive(Copy, Clone)] . enum RegexKind { . Unicode, . UnicodeSet, . Bytes, . BytesSet, . } . 7 ( 0.00%) #[derive(Default)] . pub struct Regex { . definitions: DefIdMap, . loop_stack: Vec<(OwnerId, Span)>, . } . . impl<'tcx> LateLintPass<'tcx> for Regex { 7 ( 0.00%) fn check_crate(&mut self, cx: &LateContext<'tcx>) { . let mut resolve = |path: &PathLookup, kind: RegexKind| { . for &id in path.get(cx) { . self.definitions.insert(id, kind); . } . }; . . resolve(&paths::REGEX_NEW, RegexKind::Unicode); . resolve(&paths::REGEX_BUILDER_NEW, RegexKind::Unicode); . resolve(&paths::REGEX_SET_NEW, RegexKind::UnicodeSet); . resolve(&paths::REGEX_BYTES_NEW, RegexKind::Bytes); . resolve(&paths::REGEX_BYTES_BUILDER_NEW, RegexKind::Bytes); . resolve(&paths::REGEX_BYTES_SET_NEW, RegexKind::BytesSet); 6 ( 0.00%) } . 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 419,965 ( 0.01%) if let ExprKind::Call(fun, [arg]) = expr.kind 3,605 ( 0.00%) && let Some(def_id) = fun.res(cx).opt_def_id() . && let Some(regex_kind) = self.definitions.get(&def_id) . { . if let Some(&(loop_item_id, loop_span)) = self.loop_stack.last() . && loop_item_id == fun.hir_id.owner . && (matches!(arg.kind, ExprKind::Lit(_)) || const_str(cx, arg).is_some()) . { . span_lint_and_help( . cx, -- line 150 ---------------------------------------- -- line 157 ---------------------------------------- . } . . match regex_kind { . RegexKind::Unicode => check_regex(cx, arg, true), . RegexKind::UnicodeSet => check_set(cx, arg, true), . RegexKind::Bytes => check_regex(cx, arg, false), . RegexKind::BytesSet => check_set(cx, arg, false), . } 104,222 ( 0.00%) } else if let ExprKind::Loop(block, _, _, span) = expr.kind { 132 ( 0.00%) self.loop_stack.push((block.hir_id.owner, span)); . } 416,360 ( 0.01%) } . . fn check_expr_post(&mut self, _: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 364,315 ( 0.01%) if matches!(expr.kind, ExprKind::Loop(..)) { . self.loop_stack.pop(); . } . } . } . . fn lint_syntax_error(cx: &LateContext<'_>, error: ®ex_syntax::Error, unescaped: &str, base: Span, offset: u8) { . let parts: Option<(_, _, &dyn Display)> = match &error { . regex_syntax::Error::Parse(e) => Some((e.span(), e.auxiliary_span(), e.kind())), -- line 179 ---------------------------------------- 3,606 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/string_patterns.rs -------------------------------------------------------------------------------- Ir -- line 108 ---------------------------------------- . (sym::rmatch_indices, 0), . (sym::trim_start_matches, 0), . (sym::trim_end_matches, 0), . (sym::replace, 0), . (sym::replacen, 0), . ]; . . fn check_single_char_pattern_lint(cx: &LateContext<'_>, arg: &Expr<'_>) { 24 ( 0.00%) let mut applicability = Applicability::MachineApplicable; 56 ( 0.00%) if let Some(hint) = str_literal_to_char_literal(cx, arg, &mut applicability, true) { 243 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::str_literal_to_char_literal::<&rustc_lint::context::LateContext> (8x) . span_lint_and_sugg( . cx, . SINGLE_CHAR_PATTERN, . arg.span, . "single-character string constant used as pattern", . "consider using a `char`", . hint, . applicability, -- line 125 ---------------------------------------- -- line 134 ---------------------------------------- . { . Some(expr.span) . } else { . None . } . } . . fn check_manual_pattern_char_comparison(cx: &LateContext<'_>, method_arg: &Expr<'_>, msrv: Msrv) { 16 ( 0.00%) if let ExprKind::Closure(closure) = method_arg.kind . && let body = cx.tcx.hir_body(closure.body) . && let Some(PatKind::Binding(_, binding, ..)) = body.params.first().map(|p| p.pat.kind) . { . let mut set_char_spans: Vec = Vec::new(); . . // We want to retrieve all the comparisons done. . // They are ordered in a nested way and so we need to traverse the AST to collect them all. . if for_each_expr(cx.tcx, body.value, |sub_expr| -> ControlFlow<(), Descend> { -- line 150 ---------------------------------------- -- line 222 ---------------------------------------- . ); . } . }, . ); . } . } . . impl<'tcx> LateLintPass<'tcx> for StringPatterns { 312,270 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,135 ( 0.00%) if !expr.span.from_expansion() 5,572 ( 0.00%) && let ExprKind::MethodCall(method, receiver, args, _) = expr.kind 1,393 ( 0.00%) && let method_name = method.ident.name 27 ( 0.00%) && let Some(&(_, pos)) = PATTERN_METHODS . .iter() . .find(|(array_method_name, _)| *array_method_name == method_name) . && let Some(arg) = args.get(pos) 48 ( 0.00%) && let ty::Ref(_, ty, _) = cx.typeck_results().expr_ty_adjusted(receiver).kind() 848 ( 0.00%) => ???:::expr_ty_adjusted (16x) 48 ( 0.00%) && ty.is_str() . { . check_single_char_pattern_lint(cx, arg); . 8 ( 0.00%) check_manual_pattern_char_comparison(cx, arg, self.msrv); . } 312,270 ( 0.01%) } . } 20,370 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/casts/mod.rs -------------------------------------------------------------------------------- Ir -- line 883 ---------------------------------------- . . impl Casts { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for Casts { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,108 ( 0.00%) if let ExprKind::Cast(cast_from_expr, cast_to_hir) = expr.kind { 27 ( 0.00%) if expr.span.in_external_macro(cx.sess().source_map()) { . return; . } 45 ( 0.00%) if is_hir_ty_cfg_dependant(cx, cast_to_hir) { 100 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_hir_ty_cfg_dependant (9x) . return; . } . let (cast_from, cast_to) = ( 45 ( 0.00%) cx.typeck_results().expr_ty(cast_from_expr), 360 ( 0.00%) => ???:::expr_ty (9x) 36 ( 0.00%) cx.typeck_results().expr_ty(expr), 360 ( 0.00%) => ???:::expr_ty (9x) . ); . 72 ( 0.00%) if !expr.span.from_expansion() && unnecessary_cast::check(cx, expr, cast_from_expr, cast_from, cast_to) { 7,351 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/unnecessary_cast.rs:clippy_lints::casts::unnecessary_cast::check (9x) . return; . } 54 ( 0.00%) char_lit_as_u8::check(cx, expr, cast_from_expr, cast_to); 117 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/char_lit_as_u8.rs:clippy_lints::casts::char_lit_as_u8::check (9x) 63 ( 0.00%) cast_slice_from_raw_parts::check(cx, expr, cast_from_expr, cast_to, self.msrv); 162 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_slice_from_raw_parts.rs:clippy_lints::casts::cast_slice_from_raw_parts::check (9x) . cast_ptr_alignment::check(cx, expr, cast_from, cast_to); 63 ( 0.00%) ptr_cast_constness::check(cx, expr, cast_from_expr, cast_from, cast_to, self.msrv); 153 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/ptr_cast_constness.rs:clippy_lints::casts::ptr_cast_constness::check (9x) 108 ( 0.00%) ptr_as_ptr::check(cx, expr, cast_from_expr, cast_from, cast_to_hir, cast_to, self.msrv); 153 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/ptr_as_ptr.rs:clippy_lints::casts::ptr_as_ptr::check (9x) . as_ptr_cast_mut::check(cx, expr, cast_from_expr, cast_to); 72 ( 0.00%) confusing_method_to_numeric_cast::check(cx, expr, cast_from_expr, cast_from, cast_to); 231 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs:clippy_lints::casts::confusing_method_to_numeric_cast::check (9x) . zero_ptr::check(cx, expr, cast_from_expr, cast_to_hir, self.msrv); . 54 ( 0.00%) if self.msrv.meets(cx, msrvs::MANUAL_DANGLING_PTR) { 243 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (9x) . manual_dangling_ptr::check(cx, expr, cast_from_expr, cast_to_hir); . } . . if cast_to.is_numeric() { 56 ( 0.00%) cast_possible_truncation::check(cx, expr, cast_from_expr, cast_from, cast_to, cast_to_hir.span); 21,749 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_possible_truncation.rs:clippy_lints::casts::cast_possible_truncation::check (8x) . if cast_from.is_numeric() { 64 ( 0.00%) cast_possible_wrap::check(cx, expr, cast_from_expr, cast_from, cast_to, self.msrv); 368 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_possible_wrap.rs:clippy_lints::casts::cast_possible_wrap::check (8x) 72 ( 0.00%) cast_precision_loss::check(cx, expr, cast_from, cast_to); 224 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_precision_loss.rs:clippy_lints::casts::cast_precision_loss::check (8x) . cast_sign_loss::check(cx, expr, cast_from_expr, cast_from, cast_to, self.msrv); 56 ( 0.00%) cast_abs_to_unsigned::check(cx, expr, cast_from_expr, cast_from, cast_to, self.msrv); 152 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_abs_to_unsigned.rs:clippy_lints::casts::cast_abs_to_unsigned::check (8x) 48 ( 0.00%) cast_nan_to_int::check(cx, expr, cast_from_expr, cast_from, cast_to); 160 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_nan_to_int.rs:clippy_lints::casts::cast_nan_to_int::check (8x) . } 80 ( 0.00%) cast_lossless::check(cx, expr, cast_from_expr, cast_from, cast_to, cast_to_hir, self.msrv); 2,696 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_lossless.rs:clippy_lints::casts::cast_lossless::check (8x) . cast_enum_constructor::check(cx, expr, cast_from_expr, cast_from); 48 ( 0.00%) fn_to_numeric_cast_any::check(cx, expr, cast_from_expr, cast_from, cast_to); 160 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/fn_to_numeric_cast_any.rs:clippy_lints::casts::fn_to_numeric_cast_any::check (8x) 48 ( 0.00%) fn_to_numeric_cast::check(cx, expr, cast_from_expr, cast_from, cast_to); 224 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/fn_to_numeric_cast.rs:clippy_lints::casts::fn_to_numeric_cast::check (8x) 48 ( 0.00%) fn_to_numeric_cast_with_truncation::check(cx, expr, cast_from_expr, cast_from, cast_to); 227 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/fn_to_numeric_cast_with_truncation.rs:clippy_lints::casts::fn_to_numeric_cast_with_truncation::check (8x) . } . . as_underscore::check(cx, expr, cast_to_hir); 36 ( 0.00%) as_pointer_underscore::check(cx, cast_to, cast_to_hir); 90 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/as_pointer_underscore.rs:clippy_lints::casts::as_pointer_underscore::check (9x) . 63 ( 0.00%) let was_borrow_as_ptr_emitted = self.msrv.meets(cx, msrvs::BORROW_AS_PTR) 243 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (9x) 63 ( 0.00%) && borrow_as_ptr::check(cx, expr, cast_from_expr, cast_to_hir, self.msrv); 162 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/borrow_as_ptr.rs:clippy_lints::casts::borrow_as_ptr::check (9x) 81 ( 0.00%) if !was_borrow_as_ptr_emitted && self.msrv.meets(cx, msrvs::PTR_FROM_REF) { 243 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (9x) . ref_as_ptr::check(cx, expr, cast_from_expr, cast_to_hir); . } . } . 364,315 ( 0.01%) if self.msrv.meets(cx, msrvs::RAW_REF_OP) { 1,405,215 ( 0.03%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (52,045x) . borrow_as_ptr::check_implicit_cast(cx, expr); . } 312,270 ( 0.01%) if self.msrv.meets(cx, msrvs::PTR_SLICE_RAW_PARTS) { 1,405,215 ( 0.03%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (52,045x) 156,135 ( 0.00%) cast_slice_from_raw_parts::check_implicit_cast(cx, expr); 1,581,676 ( 0.03%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_slice_from_raw_parts.rs:clippy_lints::casts::cast_slice_from_raw_parts::check_implicit_cast (52,045x) . } 156,135 ( 0.00%) cast_ptr_alignment::check_cast_method(cx, expr); 682,953 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_ptr_alignment.rs:clippy_lints::casts::cast_ptr_alignment::check_cast_method (52,045x) 208,180 ( 0.00%) cast_slice_different_sizes::check(cx, expr, self.msrv); 7,932,272 ( 0.15%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/cast_slice_different_sizes.rs:clippy_lints::casts::cast_slice_different_sizes::check (52,045x) 156,135 ( 0.00%) ptr_cast_constness::check_null_ptr_cast_method(cx, expr); 787,167 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/ptr_cast_constness.rs:clippy_lints::casts::ptr_cast_constness::check_null_ptr_cast_method (52,045x) 416,360 ( 0.01%) } . . fn check_body(&mut self, cx: &LateContext<'tcx>, body: &rustc_hir::Body<'tcx>) { 1,380 ( 0.00%) needless_type_cast::check(cx, body); 2,556,330 ( 0.05%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/casts/needless_type_cast.rs:clippy_lints::casts::needless_type_cast::check (460x) . } . } 89 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/nonnull_unchecked_on_box_ptr.rs -------------------------------------------------------------------------------- Ir -- line 43 ---------------------------------------- . . impl NonnullUncheckedOnBoxPtr { . pub fn new(conf: &Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for NonnullUncheckedOnBoxPtr { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,135 ( 0.00%) if !expr.span.from_expansion() 1,681 ( 0.00%) && let ExprKind::Call(nonnull_new_unchecked, [arg]) = expr.kind 712 ( 0.00%) && let ExprKind::Call(box_into_raw, [arg]) = arg.kind . && nonnull_new_unchecked 11 ( 0.00%) .ty_rel_def_if_named(cx, sym::new_unchecked) . .opt_parent(cx) 55 ( 0.00%) .opt_impl_ty(cx) 176 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/res.rs: as clippy_utils::res::MaybeDef>::opt_impl_ty:: (11x) . .is_diag_item(cx, sym::NonNull) . && box_into_raw . .ty_rel_def_if_named(cx, sym::into_raw) . .opt_parent(cx) . .opt_impl_ty(cx) . .is_lang_item(cx, LangItem::OwnedBox) . && self.msrv.meets(cx, msrvs::BOX_LEAK) . { -- line 66 ---------------------------------------- -- line 89 ---------------------------------------- . } else { . format!("NonNull::from(Box::leak({arg_name}))") . }; . . diag.span_suggestion(span, "try", sugg, app); . }, . ); . } 416,360 ( 0.01%) } . } 20,378 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/attrs/mod.rs -------------------------------------------------------------------------------- Ir -- line 506 ---------------------------------------- . . impl Attributes { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for Attributes { 5,382 ( 0.00%) fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { 2,990 ( 0.00%) let attrs = cx.tcx.hir_attrs(item.hir_id()); 27,179 ( 0.00%) => ???:::hir_attrs (598x) 1,628 ( 0.00%) if let ItemKind::Fn { ident, body, .. } = item.kind { 1,008 ( 0.00%) inline_always::check(cx, item.span, ident.name, attrs, Some(body)); 3,387 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/attrs/inline_always.rs:clippy_lints::attrs::inline_always::check (144x) . } 454 ( 0.00%) repr_attributes::check(cx, item.span, attrs, self.msrv); 4,186 ( 0.00%) } . . fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'_>) { 715 ( 0.00%) if let ImplItemKind::Fn(_, body) = item.kind { 1,001 ( 0.00%) inline_always::check( 3,480 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/attrs/inline_always.rs:clippy_lints::attrs::inline_always::check (143x) . cx, 143 ( 0.00%) item.span, 143 ( 0.00%) item.ident.name, 572 ( 0.00%) cx.tcx.hir_attrs(item.hir_id()), 6,517 ( 0.00%) => ???:::hir_attrs (143x) . Some(body), . ); . } . } . . fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx TraitItem<'_>) { . if let TraitItemKind::Fn(_, kind) = item.kind { . let body = match kind { -- line 536 ---------------------------------------- -- line 543 ---------------------------------------- . } . . pub struct EarlyAttributes { . msrv: MsrvStack, . } . . impl EarlyAttributes { . pub fn new(conf: &'static Conf) -> Self { 18 ( 0.00%) Self { msrv: conf.msrv.into() } . } . } . . impl EarlyLintPass for EarlyAttributes { 1,194 ( 0.00%) fn check_attribute(&mut self, cx: &EarlyContext<'_>, attr: &Attribute) { 597 ( 0.00%) deprecated_cfg_attr::check(cx, attr, &self.msrv); 29,604 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/attrs/deprecated_cfg_attr.rs:clippy_lints::attrs::deprecated_cfg_attr::check (199x) 597 ( 0.00%) deprecated_cfg_attr::check_clippy(cx, attr); 16,778 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/attrs/deprecated_cfg_attr.rs:clippy_lints::attrs::deprecated_cfg_attr::check_clippy (199x) . non_minimal_cfg::check(cx, attr); 796 ( 0.00%) } . . extract_msrv_attr!(); . } . . pub struct PostExpansionEarlyAttributes { . msrv: MsrvStack, . } . . impl PostExpansionEarlyAttributes { . pub fn new(conf: &'static Conf) -> Self { 1 ( 0.00%) Self { msrv: conf.msrv.into() } . } . } . . impl EarlyLintPass for PostExpansionEarlyAttributes { . fn check_crate(&mut self, cx: &EarlyContext<'_>, _krate: &ast::Crate) { . blanket_clippy_restriction_lints::check_command_line(cx); . } . 2,920 ( 0.00%) fn check_attribute(&mut self, cx: &EarlyContext<'_>, attr: &Attribute) { 876 ( 0.00%) check_clippy_attr(cx.sess(), attr); 17,805 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/attrs.rs:clippy_utils::attrs::check_clippy_attr:: (292x) 1,460 ( 0.00%) if let Some(items) = &attr.meta_item_list() 53,673 ( 0.00%) => ???:::meta_item_list (292x) 828 ( 0.00%) && let Some(name) = attr.name() 801 ( 0.00%) => ???:::name (89x) . { 400 ( 0.00%) if matches!(name, sym::allow) && self.msrv.meets(msrvs::LINT_REASONS_STABILIZATION) { 1,920 ( 0.00%) => /rust/deps/smallvec-1.15.1/src/lib.rs:::meets (80x) . allow_attributes::check(cx, attr); . } 400 ( 0.00%) if matches!(name, sym::allow | sym::expect) && self.msrv.meets(msrvs::LINT_REASONS_STABILIZATION) { 1,920 ( 0.00%) => /rust/deps/smallvec-1.15.1/src/lib.rs:::meets (80x) . allow_attributes_without_reason::check(cx, name, items, attr); . } . if is_lint_level(name) { . blanket_clippy_restriction_lints::check(cx, name, items); . } 178 ( 0.00%) if items.is_empty() || !attr.has_name(sym::deprecated) { . return; . } . for item in items { . if let MetaItemInner::MetaItem(mi) = &item . && let MetaItemKind::NameValue(lit) = &mi.kind . && mi.has_name(sym::since) . { . deprecated_semver::check(cx, item.span(), lit); -- line 602 ---------------------------------------- -- line 603 ---------------------------------------- . } . } . } . . if attr.has_name(sym::should_panic) { . should_panic_without_expect::check(cx, attr); . } . 36 ( 0.00%) if attr.has_name(sym::ignore) . && let AttrKind::Normal(normal_attr) = &attr.kind . && !matches!(normal_attr.item.args, AttrArgs::Eq { .. }) . { . span_lint_and_help( . cx, . IGNORE_WITHOUT_REASON, . attr.span, . "`#[ignore]` without reason", . None, . "add a reason with `= \"..\"`", . ); . } 2,336 ( 0.00%) } . . fn check_item(&mut self, cx: &EarlyContext<'_>, item: &'_ ast::Item) { 1,389 ( 0.00%) match item.kind { 465 ( 0.00%) ast::ItemKind::ExternCrate(..) | ast::ItemKind::Use(..) => useless_attribute::check(cx, item, &item.attrs), 4,387 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/attrs/useless_attribute.rs:clippy_lints::attrs::useless_attribute::check (155x) . _ => {}, . } . 2,315 ( 0.00%) mixed_attributes_style::check(cx, item.span, &item.attrs); 99,628 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/attrs/mixed_attributes_style.rs:clippy_lints::attrs::mixed_attributes_style::check (463x) . } . 655,130 ( 0.01%) fn check_attributes(&mut self, cx: &EarlyContext<'_>, attrs: &[Attribute]) { 196,539 ( 0.00%) self.msrv.check_attributes(attrs); 207,521 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_attributes (65,513x) . duplicated_attributes::check(cx, attrs); 131,026 ( 0.00%) msrvs::check_attrs(cx.sess(), attrs); 1,188,258 ( 0.02%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:clippy_utils::msrvs::check_attrs:: (65,513x) 524,104 ( 0.01%) } . . fn check_attributes_post(&mut self, _cx: &EarlyContext<'_>, attrs: &[Attribute]) { 262,052 ( 0.00%) self.msrv.check_attributes_post(attrs); 207,521 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs:::check_attributes_post (65,513x) . } . } 14 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/disallowed_types.rs -------------------------------------------------------------------------------- Ir -- line 61 ---------------------------------------- . . pub struct DisallowedTypes { . def_ids: DefIdMap<(&'static str, &'static DisallowedPath)>, . prim_tys: FxHashMap, . } . . impl DisallowedTypes { . pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { 8 ( 0.00%) let (def_ids, prim_tys) = create_disallowed_map( 38 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_config/src/types.rs:clippy_config::types::create_disallowed_map:: (1x) . tcx, . &conf.disallowed_types, . PathNS::Type, . def_kind_predicate, . "type", . true, . ); 8 ( 0.00%) Self { def_ids, prim_tys } . } . 17,625 ( 0.00%) fn check_res_emit(&self, cx: &LateContext<'_>, res: &Res, span: Span) { 17,401 ( 0.00%) let (path, disallowed_path) = match res { . Res::Def(_, did) if let Some(&x) = self.def_ids.get(did) => x, . Res::PrimTy(prim) if let Some(&x) = self.prim_tys.get(prim) => x, . _ => return, . }; . span_lint_and_then( . cx, . DISALLOWED_TYPES, . span, . format!("use of a disallowed type `{path}`"), . disallowed_path.diag_amendment(span), . ); 21,150 ( 0.00%) } . } . . pub fn def_kind_predicate(def_kind: DefKind) -> bool { . matches!( . def_kind, . DefKind::Struct . | DefKind::Union . | DefKind::Enum -- line 101 ---------------------------------------- -- line 103 ---------------------------------------- . | DefKind::TyAlias . | DefKind::ForeignTy . | DefKind::AssocTy . ) . } . . impl<'tcx> LateLintPass<'tcx> for DisallowedTypes { . fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { 1,764 ( 0.00%) if let ItemKind::Use(path, UseKind::Single(_)) = &item.kind 1,310 ( 0.00%) && let Some(res) = path.res.type_ns . { 616 ( 0.00%) self.check_res_emit(cx, &res, item.span); 2,772 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/disallowed_types.rs:::check_res_emit (154x) . } . } . . fn check_ty(&mut self, cx: &LateContext<'tcx>, ty: &'tcx Ty<'tcx, AmbigArg>) { 11,357 ( 0.00%) if let TyKind::Path(path) = &ty.kind { 36,971 ( 0.00%) self.check_res_emit(cx, &cx.qpath_res(path, ty.hir_id), ty.span); 77,303 ( 0.00%) => ???:::qpath_res (3,361x) 59,978 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/disallowed_types.rs:::check_res_emit (3,361x) . } . } . . fn check_poly_trait_ref(&mut self, cx: &LateContext<'tcx>, poly: &'tcx PolyTraitRef<'tcx>) { 90 ( 0.00%) self.check_res_emit(cx, &poly.trait_ref.path.res, poly.trait_ref.path.span); 180 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/disallowed_types.rs:::check_res_emit (10x) . } . } 154 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/mem_replace.rs -------------------------------------------------------------------------------- Ir -- line 127 ---------------------------------------- . impl_lint_pass!(MemReplace => [ . MEM_REPLACE_OPTION_WITH_NONE, . MEM_REPLACE_OPTION_WITH_SOME, . MEM_REPLACE_WITH_DEFAULT, . MEM_REPLACE_WITH_UNINIT, . ]); . . fn check_replace_option_with_none(cx: &LateContext<'_>, src: &Expr<'_>, dest: &Expr<'_>, expr_span: Span) -> bool { 5 ( 0.00%) if is_none_expr(cx, src) { 22 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/res.rs:clippy_utils::is_none_expr (1x) . // Since this is a late pass (already type-checked), . // and we already know that the second argument is an . // `Option`, we do not need to check the first . // argument's type. All that's left is to get . // the replacee's expr after peeling off the `&mut` . let sugg_expr = peel_ref_operators(cx, dest); . let mut applicability = Applicability::MachineApplicable; . span_lint_and_sugg( -- line 143 ---------------------------------------- -- line 160 ---------------------------------------- . . fn check_replace_option_with_some( . cx: &LateContext<'_>, . src: &Expr<'_>, . dest: &Expr<'_>, . expr_span: Span, . msrv: Msrv, . ) -> bool { 5 ( 0.00%) if let Some(src_arg) = as_some_expr(cx, src) 4 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::as_some_expr (1x) . && msrv.meets(cx, msrvs::OPTION_REPLACE) . { . // We do not have to check for a `const` context here, because `core::mem::replace()` and . // `Option::replace()` have been const-stabilized simultaneously in version 1.83.0. . let sugg_expr = peel_ref_operators(cx, dest); . let mut applicability = Applicability::MachineApplicable; . span_lint_and_sugg( . cx, -- line 176 ---------------------------------------- -- line 186 ---------------------------------------- . applicability, . ); . true . } else { . false . } . } . 7 ( 0.00%) fn check_replace_with_uninit(cx: &LateContext<'_>, src: &Expr<'_>, dest: &Expr<'_>, expr_span: Span) { 8 ( 0.00%) if let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(src.hir_id) 42 ( 0.00%) => ???:::type_dependent_def_id (1x) . // check if replacement is mem::MaybeUninit::uninit().assume_init() . && cx.tcx.is_diagnostic_item(sym::assume_init, method_def_id) . { . let Some(top_crate) = std_or_core(cx) else { return }; . let mut applicability = Applicability::MachineApplicable; . span_lint_and_sugg( . cx, . MEM_REPLACE_WITH_UNINIT, -- line 203 ---------------------------------------- -- line 208 ---------------------------------------- . "{top_crate}::ptr::read({})", . snippet_with_applicability(cx, dest.span, "", &mut applicability) . ), . applicability, . ); . return; . } . 2 ( 0.00%) if let ExprKind::Call(repl_func, []) = src.kind . && let ExprKind::Path(ref repl_func_qpath) = repl_func.kind . && let Some(repl_def_id) = cx.qpath_res(repl_func_qpath, repl_func.hir_id).opt_def_id() . { . let repl_name = cx.tcx.get_diagnostic_name(repl_def_id); . if repl_name == Some(sym::mem_uninitialized) { . let Some(top_crate) = std_or_core(cx) else { return }; . let mut applicability = Applicability::MachineApplicable; . span_lint_and_sugg( -- line 224 ---------------------------------------- -- line 239 ---------------------------------------- . MEM_REPLACE_WITH_UNINIT, . expr_span, . "replacing with `mem::zeroed()`", . None, . "consider using a default value or the `take_mut` crate instead", . ); . } . } 8 ( 0.00%) } . 13 ( 0.00%) fn check_replace_with_default( . cx: &LateContext<'_>, . src: &Expr<'_>, . dest: &Expr<'_>, . expr: &Expr<'_>, . msrv: Msrv, . ) -> bool { 6 ( 0.00%) if is_expr_used_or_unified(cx.tcx, expr) 190 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_expr_used_or_unified (1x) . // disable lint for primitives 2 ( 0.00%) && let expr_type = cx.typeck_results().expr_ty_adjusted(src) 69 ( 0.00%) => ???:::expr_ty_adjusted (1x) . && !is_non_aggregate_primitive_type(expr_type) 5 ( 0.00%) && is_default_equivalent(cx, src) 30 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_default_equivalent (1x) . && !expr.span.in_external_macro(cx.tcx.sess.source_map()) . && let Some(top_crate) = std_or_core(cx) . && msrv.meets(cx, msrvs::MEM_TAKE) . { . span_lint_and_then( . cx, . MEM_REPLACE_WITH_DEFAULT, . expr.span, -- line 268 ---------------------------------------- -- line 279 ---------------------------------------- . applicability, . ); . }, . ); . true . } else { . false . } 8 ( 0.00%) } . . pub struct MemReplace { . msrv: Msrv, . } . . impl MemReplace { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for MemReplace { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 126,933 ( 0.00%) if let ExprKind::Call(func, [dest, src]) = expr.kind . // Check that `expr` is a call to `mem::replace()` 11,655 ( 0.00%) && let ExprKind::Path(ref func_qpath) = func.kind 15,540 ( 0.00%) && let Some(def_id) = cx.qpath_res(func_qpath, func.hir_id).opt_def_id() 96,792 ( 0.00%) => ???:::qpath_res (3,885x) 23,298 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::mem_replace, def_id) 173,665 ( 0.00%) => ???:::is_diagnostic_item (3,883x) . // Check that second argument is `Option::None` 1 ( 0.00%) && !check_replace_option_with_none(cx, src, dest, expr.span) 1 ( 0.00%) && !check_replace_option_with_some(cx, src, dest, expr.span, self.msrv) 8 ( 0.00%) && !check_replace_with_default(cx, src, dest, expr, self.msrv) 329 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mem_replace.rs:clippy_lints::mem_replace::check_replace_with_default (1x) . { 6 ( 0.00%) check_replace_with_uninit(cx, src, dest, expr.span); 74 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/mem_replace.rs:clippy_lints::mem_replace::check_replace_with_uninit (1x) . } 416,360 ( 0.01%) } . } 15,543 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs -------------------------------------------------------------------------------- Ir -- line 2128 ---------------------------------------- . // `ArcInner` structure itself is `Sync` because the inner data is . // `Sync` as well, so we're ok loaning out an immutable pointer to these . // contents. . unsafe { self.ptr.as_ref() } . } . . // Non-inlined part of `drop`. . #[inline(never)] 2 ( 0.00%) unsafe fn drop_slow(&mut self) { . // Drop the weak ref collectively held by all strong references when this . // variable goes out of scope. This ensures that the memory is deallocated . // even if the destructor of `T` panics. . // Take a reference to `self.alloc` instead of cloning because 1. it'll last long . // enough, and 2. you should be able to drop `Arc`s with unclonable allocators 2 ( 0.00%) let _weak = Weak { ptr: self.ptr, alloc: &self.alloc }; . . // Destroy the data at this time, even though we must not free the box . // allocation itself (there might still be weak pointers lying around). . // We cannot use `get_mut_unchecked` here, because `self.alloc` is borrowed. . unsafe { ptr::drop_in_place(&mut (*self.ptr.as_ptr()).data) }; . } . . /// Returns `true` if the two `Arc`s point to the same allocation in a vein similar to -- line 2150 ---------------------------------------- -- line 2424 ---------------------------------------- . // the worst already happened and we actually do overflow the `usize` counter. However, that . // requires the counter to grow from `isize::MAX` to `usize::MAX` between the increment . // above and the `abort` below, which seems exceedingly unlikely. . // . // This is a global invariant, and also applies when using a compare-exchange loop to increment . // counters in other methods. . // Otherwise, the counter could be brought to an almost-overflow using a compare-exchange loop, . // and then overflow using a few `fetch_add`s. 10,923 ( 0.00%) if old_size > MAX_REFCOUNT { . abort(); . } . 21,824 ( 0.00%) unsafe { Self::from_inner_in(self.ptr, self.alloc.clone()) } . } . } . . #[unstable(feature = "ergonomic_clones", issue = "132290")] . impl UseCloned for Arc {} . . #[unstable(feature = "share_trait", issue = "156756")] . impl Share for Arc {} . . #[stable(feature = "rust1", since = "1.0.0")] . impl Deref for Arc { . type Target = T; . . #[inline] . fn deref(&self) -> &T { 340,254 ( 0.01%) &self.inner().data . } . } . . #[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")] . unsafe impl PinCoerceUnsized for Arc {} . . #[unstable(feature = "deref_pure_trait", issue = "87121")] . unsafe impl DerefPure for Arc {} -- line 2460 ---------------------------------------- -- line 2850 ---------------------------------------- . /// drop(foo); // Doesn't print anything . /// drop(foo2); // Prints "dropped!" . /// ``` . #[inline] . fn drop(&mut self) { . // Because `fetch_sub` is already atomic, we do not need to synchronize . // with other threads unless we are going to delete the object. This . // same logic applies to the below `fetch_sub` to the `weak` count. 16,596 ( 0.00%) if self.inner().strong.fetch_sub(1, Release) != 1 { . return; . } . . // This fence is needed to prevent reordering of use of the data and . // deletion of the data. Because it is marked `Release`, the decreasing . // of the reference count synchronizes with this `Acquire` fence. This . // means that use of the data happens before decreasing the reference . // count, which happens before this fence, which happens before the -- line 2866 ---------------------------------------- -- line 2893 ---------------------------------------- . // used by Default::default. . debug_assert!( . !ptr::addr_eq(self.ptr.as_ptr(), &STATIC_INNER_SLICE.inner), . "Arcs backed by a static should never reach a strong count of 0. \ . Likely decrement_strong_count or from_raw were called too many times.", . ); . . unsafe { 6 ( 0.00%) self.drop_slow(); 27,809 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:>>>::drop_slow (1x) 100 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:>>>::drop_slow (1x) . } . } . } . . impl Arc { . /// Attempts to downcast the `Arc` to a concrete type. . /// . /// # Examples -- line 2909 ---------------------------------------- -- line 3372 ---------------------------------------- . } . } . . /// Returns `None` when the pointer is dangling and there is no allocated `ArcInner`, . /// (i.e., when this `Weak` was created by `Weak::new`). . #[inline] . fn inner(&self) -> Option> { . let ptr = self.ptr.as_ptr(); 2 ( 0.00%) if is_dangling(ptr) { . None . } else { . // We are careful to *not* create a reference covering the "data" field, as . // the field may be mutated concurrently (for example, if the last `Arc` . // is dropped, the data field will be dropped in-place). . Some(unsafe { WeakInner { strong: &(*ptr).strong, weak: &(*ptr).weak } }) . } . } -- line 3388 ---------------------------------------- -- line 3524 ---------------------------------------- . // the memory orderings . // . // It's not necessary to check for the locked state here, because the . // weak count can only be locked if there was precisely one weak ref, . // meaning that drop could only subsequently run ON that remaining weak . // ref, which can only happen after the lock is released. . let inner = if let Some(inner) = self.inner() { inner } else { return }; . 2 ( 0.00%) if inner.weak.fetch_sub(1, Release) == 1 { . acquire!(inner.weak); . . // Make sure we aren't trying to "deallocate" the shared static for empty slices . // used by Default::default. . debug_assert!( . !ptr::addr_eq(self.ptr.as_ptr(), &STATIC_INNER_SLICE.inner), . "Arc/Weaks backed by a static should never be deallocated. \ . Likely decrement_strong_count or from_raw were called too many times.", -- line 3540 ---------------------------------------- 1,322,618 ( 0.02%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cmp.rs -------------------------------------------------------------------------------- Ir -- line 268 ---------------------------------------- . /// . /// This default shouldn't be overridden without good reason, . /// such as when forwarding to another PartialEq implementation. . #[inline] . #[must_use] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_diagnostic_item = "cmp_partialeq_ne"] . fn ne(&self, other: &Rhs) -> bool { 107,281 ( 0.00%) !self.eq(other) 85 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lexer/src/lib.rs:::eq (15x) . } . } . . /// Derive macro generating an impl of the trait [`PartialEq`]. . /// The behavior of this macro is described in detail [here](PartialEq#derivable). . #[rustc_builtin_macro] . #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] . #[allow_internal_unstable(core_intrinsics, structural_match)] -- line 284 ---------------------------------------- -- line 486 ---------------------------------------- . /// assert_eq!(Ordering::Equal.is_lt(), false); . /// assert_eq!(Ordering::Greater.is_lt(), false); . /// ``` . #[inline] . #[must_use] . #[rustc_const_stable(feature = "ordering_helpers", since = "1.53.0")] . #[stable(feature = "ordering_helpers", since = "1.53.0")] . pub const fn is_lt(self) -> bool { 60 ( 0.00%) self.as_raw() < 0 . } . . /// Returns `true` if the ordering is the `Greater` variant. . /// . /// # Examples . /// . /// ``` . /// use std::cmp::Ordering; -- line 502 ---------------------------------------- -- line 505 ---------------------------------------- . /// assert_eq!(Ordering::Equal.is_gt(), false); . /// assert_eq!(Ordering::Greater.is_gt(), true); . /// ``` . #[inline] . #[must_use] . #[rustc_const_stable(feature = "ordering_helpers", since = "1.53.0")] . #[stable(feature = "ordering_helpers", since = "1.53.0")] . pub const fn is_gt(self) -> bool { 13,926 ( 0.00%) self.as_raw() > 0 . } . . /// Returns `true` if the ordering is either the `Less` or `Equal` variant. . /// . /// # Examples . /// . /// ``` . /// use std::cmp::Ordering; -- line 521 ---------------------------------------- -- line 524 ---------------------------------------- . /// assert_eq!(Ordering::Equal.is_le(), true); . /// assert_eq!(Ordering::Greater.is_le(), false); . /// ``` . #[inline] . #[must_use] . #[rustc_const_stable(feature = "ordering_helpers", since = "1.53.0")] . #[stable(feature = "ordering_helpers", since = "1.53.0")] . pub const fn is_le(self) -> bool { 136 ( 0.00%) self.as_raw() <= 0 . } . . /// Returns `true` if the ordering is either the `Greater` or `Equal` variant. . /// . /// # Examples . /// . /// ``` . /// use std::cmp::Ordering; -- line 540 ---------------------------------------- -- line 543 ---------------------------------------- . /// assert_eq!(Ordering::Equal.is_ge(), true); . /// assert_eq!(Ordering::Greater.is_ge(), true); . /// ``` . #[inline] . #[must_use] . #[rustc_const_stable(feature = "ordering_helpers", since = "1.53.0")] . #[stable(feature = "ordering_helpers", since = "1.53.0")] . pub const fn is_ge(self) -> bool { 428,976 ( 0.01%) self.as_raw() >= 0 . } . . /// Reverses the `Ordering`. . /// . /// * `Less` becomes `Greater`. . /// * `Greater` becomes `Less`. . /// * `Equal` becomes `Equal`. . /// -- line 559 ---------------------------------------- -- line 1043 ---------------------------------------- . #[inline] . #[must_use] . #[rustc_diagnostic_item = "cmp_ord_max"] . fn max(self, other: Self) -> Self . where . Self: Sized + [const] Destruct, . { . if other < self { self } else { other } 20,401 ( 0.00%) } . . /// Compares and returns the minimum of two values. . /// . /// Returns the first argument if the comparison determines them to be equal. . /// . /// # Examples . /// . /// ``` -- line 1059 ---------------------------------------- -- line 1082 ---------------------------------------- . #[inline] . #[must_use] . #[rustc_diagnostic_item = "cmp_ord_min"] . fn min(self, other: Self) -> Self . where . Self: Sized + [const] Destruct, . { . if other < self { other } else { self } 6,556 ( 0.00%) } . . /// Restrict a value to a certain interval. . /// . /// Returns `max` if `self` is greater than `max`, and `min` if `self` is . /// less than `min`. Otherwise this returns `self`. . /// . /// # Panics . /// -- line 1098 ---------------------------------------- -- line 1415 ---------------------------------------- . /// assert_eq!(1.0 < 2.0, true); . /// assert_eq!(2.0 < 1.0, false); . /// ``` . #[inline] . #[must_use] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_diagnostic_item = "cmp_partialord_lt"] . fn lt(&self, other: &Rhs) -> bool { 111 ( 0.00%) self.partial_cmp(other).is_some_and(Ordering::is_lt) 1,485 ( 0.00%) => ???:::cmp (37x) . } . . /// Tests less than or equal to (for `self` and `other`) and is used by the . /// `<=` operator. . /// . /// # Examples . /// . /// ``` -- line 1431 ---------------------------------------- -- line 1615 ---------------------------------------- . #[stable(feature = "cmp_min_max_by", since = "1.53.0")] . #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] . pub const fn min_by Ordering>( . v1: T, . v2: T, . compare: F, . ) -> T { . if compare(&v1, &v2).is_le() { v1 } else { v2 } 258 ( 0.00%) } . . /// Returns the element that gives the minimum value from the specified function. . /// . /// Returns the first argument if the comparison determines them to be equal. . /// . /// # Examples . /// . /// ``` -- line 1631 ---------------------------------------- -- line 1722 ---------------------------------------- . #[stable(feature = "cmp_min_max_by", since = "1.53.0")] . #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] . pub const fn max_by Ordering>( . v1: T, . v2: T, . compare: F, . ) -> T { . if compare(&v1, &v2).is_gt() { v1 } else { v2 } 456 ( 0.00%) } . . /// Returns the element that gives the maximum value from the specified function. . /// . /// Returns the second argument if the comparison determines them to be equal. . /// . /// # Examples . /// . /// ``` -- line 1738 ---------------------------------------- -- line 1889 ---------------------------------------- . /// NOTE: Calling this on a non-primitive type (such as `()`) . /// leads to an infinitely-looping self-recursive implementation. . macro_rules! impl_partial_eq_for_primitive { . ($($t:ty)*) => ($( . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] . const impl PartialEq for $t { . #[inline] 950,331 ( 0.02%) fn eq(&self, other: &Self) -> bool { *self == *other } . // Override the default to use the primitive implementation for `!=`. . #[inline] . fn ne(&self, other: &Self) -> bool { *self != *other } . } . )*) . } . . impl_partial_eq_for_primitive! { -- line 1905 ---------------------------------------- -- line 1928 ---------------------------------------- . } . . eq_impl! { () bool char usize u8 u16 u32 u64 u128 isize i8 i16 i32 i64 i128 } . . #[rustfmt::skip] . macro_rules! partial_ord_methods_primitive_impl { . () => { . #[inline(always)] 7,329 ( 0.00%) fn lt(&self, other: &Self) -> bool { *self < *other } . #[inline(always)] 23 ( 0.00%) fn le(&self, other: &Self) -> bool { *self <= *other } . #[inline(always)] . fn gt(&self, other: &Self) -> bool { *self > *other } . #[inline(always)] . fn ge(&self, other: &Self) -> bool { *self >= *other } . . // These implementations are the same for `Ord` or `PartialOrd` types . // because if either is NAN the `==` test will fail so we end up in . // the `Break` case and the comparison will correctly return `false`. -- line 1946 ---------------------------------------- -- line 2023 ---------------------------------------- . partial_ord_methods_primitive_impl!(); . } . . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] . const impl Ord for $t { . #[inline] . fn cmp(&self, other: &Self) -> Ordering { 4,197 ( 0.00%) crate::intrinsics::three_way_compare(*self, *other) . } . . #[inline] . #[track_caller] . fn clamp(self, min: Self, max: Self) -> Self . { . const_assert!( . min <= max, -- line 2039 ---------------------------------------- -- line 2135 ---------------------------------------- . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] . const impl PartialEq<&B> for &A . where . A: [const] PartialEq, . { . #[inline] . fn eq(&self, other: &&B) -> bool { 5,181 ( 0.00%) PartialEq::eq(*self, *other) 120 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs: as core::cmp::PartialEq>::eq (8x) . } . #[inline] . fn ne(&self, other: &&B) -> bool { . PartialEq::ne(*self, *other) . } . } . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] -- line 2151 ---------------------------------------- 14,362 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_lint/src/context.rs -------------------------------------------------------------------------------- Ir -- line 523 ---------------------------------------- . lint: &'static Lint, . span: Option, . decorate: impl for<'a> Diagnostic<'a, ()>, . ); . . /// Emit a lint at `span` from a lint struct (some type that implements `Diagnostic`, . /// typically generated by `#[derive(Diagnostic)]`). . #[track_caller] 1,750 ( 0.00%) fn emit_span_lint>( . &self, . lint: &'static Lint, . span: S, . decorator: impl for<'a> Diagnostic<'a, ()>, . ) { . self.opt_span_lint(lint, Some(span), decorator); 1,316 ( 0.00%) } . . /// This returns the lint level spec for the given lint at the current location. . fn get_lint_level_spec(&self, lint: &'static Lint) -> LevelSpec; . . /// This function can be used to manually fulfill an expectation. This can . /// be used for lints which contain several spans, and should be suppressed, . /// if either location was marked with an expectation. . /// -- line 546 ---------------------------------------- -- line 584 ---------------------------------------- . } . } . . impl<'tcx> LintContext for LateContext<'tcx> { . type LintExpectationId = StableLintExpectationId; . . /// Gets the overall compiler `Session` object. . fn sess(&self) -> &Session { 774,142 ( 0.01%) self.tcx.sess . } . . fn opt_span_lint>( . &self, . lint: &'static Lint, . span: Option, . decorate: impl for<'a> Diagnostic<'a, ()>, . ) { 260 ( 0.00%) let hir_id = self.last_node_with_lint_attrs; . 260 ( 0.00%) match span { 910 ( 0.00%) Some(s) => self.tcx.emit_node_span_lint(lint, hir_id, s, decorate), . None => self.tcx.emit_node_lint(lint, hir_id, decorate), . } . } . . fn get_lint_level_spec(&self, lint: &'static Lint) -> StableLevelSpec { . self.tcx.lint_level_spec_at_node(lint, self.last_node_with_lint_attrs) . } . } -- line 612 ---------------------------------------- -- line 660 ---------------------------------------- . } . . /// Gets the type-checking results for the current body. . /// As this will ICE if called outside bodies, only call when working with . /// `Expr` or `Pat` nodes (they are guaranteed to be found only in bodies). . #[inline] . #[track_caller] . pub fn typeck_results(&self) -> &'tcx ty::TypeckResults<'tcx> { 142,356 ( 0.00%) self.typeck_results.expect("`LateContext::typeck_results` called outside of body") . } . . /// Returns the final resolution of a `QPath`, or `Res::Err` if unavailable. . /// Unlike `.typeck_results().qpath_res(qpath, id)`, this can be used even outside . /// bodies (e.g. for paths in `hir::Ty`), without any risk of ICE-ing. . pub fn qpath_res(&self, qpath: &hir::QPath<'_>, id: hir::HirId) -> Res { . match *qpath { . hir::QPath::Resolved(_, path) => path.res, -- line 676 ---------------------------------------- -- line 949 ---------------------------------------- . fn data_layout(&self) -> &abi::TargetDataLayout { . &self.tcx.data_layout . } . } . . impl<'tcx> ty::layout::HasTyCtxt<'tcx> for LateContext<'tcx> { . #[inline] . fn tcx(&self) -> TyCtxt<'tcx> { 23,073 ( 0.00%) self.tcx . } . } . . impl<'tcx> ty::layout::HasTypingEnv<'tcx> for LateContext<'tcx> { . #[inline] . fn typing_env(&self) -> ty::TypingEnv<'tcx> { 55 ( 0.00%) self.typing_env() 1,161 ( 0.00%) => ???:::typing_env (51x) . } . } . . impl<'tcx> LayoutOfHelpers<'tcx> for LateContext<'tcx> { . type LayoutOfResult = Result, LayoutError<'tcx>>; . . #[inline] . fn handle_layout_err(&self, err: LayoutError<'tcx>, _: Span, _: Ty<'tcx>) -> LayoutError<'tcx> { -- line 972 ---------------------------------------- 67,785 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/needless_nonzero_get.rs -------------------------------------------------------------------------------- Ir -- line 59 ---------------------------------------- . . impl NeedlessNonzeroGet { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for NeedlessNonzeroGet { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { 357,447 ( 0.01%) match expr.kind { . // `.get().()` 3,188 ( 0.00%) ExprKind::MethodCall(method, get_call, [], _) 12,720 ( 0.00%) if let Some((recv, nz_ty, nonzero_did, get_span)) = nonzero_get(cx, get_call) 16,828 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/needless_nonzero_get.rs:clippy_lints::needless_nonzero_get::nonzero_get (1,060x) . // The outer call must resolve to an inherent method. A trait method of the same . // name could resolve differently once the receiver becomes a `NonZero`. . && let Some(method_did) = cx.typeck_results().type_dependent_def_id(expr.hir_id) . && cx.tcx.trait_of_assoc(method_did).is_none() . // Dropping `get` must leave the expression's type unchanged. Methods whose . // `NonZero` version returns a `NonZero` deliberately do not match. . && let ret_ty = cx.typeck_results().expr_ty(expr) . && has_matching_method(cx, nonzero_did, nz_ty, method.ident.name, ret_ty, self.msrv) => . { . emit_unnecessary_get(cx, expr, get_call, recv, get_span, method.ident.name.as_str()); . }, . . // ` / .get()` and ` % .get()` . ExprKind::Binary(op, lhs, get_call) 984 ( 0.00%) if matches!(op.node, BinOpKind::Div | BinOpKind::Rem) . && let Some((recv, nz_ty, _, get_span)) = nonzero_get(cx, get_call) . && let Some((trait_lang_item, _)) = binop_traits(op.node) . && let Some(trait_id) = cx.tcx.lang_items().get(trait_lang_item) . && has_nonzero_operator(cx, lhs, recv, nz_ty, trait_id, self.msrv) => . { . emit_unnecessary_get(cx, expr, get_call, recv, get_span, op.node.as_str()); . }, . . // ` /= .get()` and ` %= .get()` . ExprKind::AssignOp(op, lhs, get_call) 88 ( 0.00%) if matches!(op.node, AssignOpKind::DivAssign | AssignOpKind::RemAssign) . && let Some((recv, nz_ty, _, get_span)) = nonzero_get(cx, get_call) . && let Some((_, trait_lang_item)) = binop_traits(op.node.into()) . && let Some(trait_id) = cx.tcx.lang_items().get(trait_lang_item) . && has_nonzero_operator(cx, lhs, recv, nz_ty, trait_id, self.msrv) => . { . emit_unnecessary_get(cx, expr, get_call, recv, get_span, op.node.as_str()); . }, . . _ => {}, . } 416,360 ( 0.01%) } . } . . /// Returns the receiver, its `NonZero` type and definition, and the `get` identifier span when . /// `expr` is an inherent `NonZero::get()` call. 5,300 ( 0.00%) fn nonzero_get<'tcx>( . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'tcx>, . ) -> Option<(&'tcx Expr<'tcx>, Ty<'tcx>, DefId, Span)> { 2,514 ( 0.00%) let ExprKind::MethodCall(get, recv, [], get_span) = expr.kind else { . return None; . }; 104 ( 0.00%) if get.ident.name != sym::get { . return None; . } 5 ( 0.00%) let get_did = cx.typeck_results().type_dependent_def_id(expr.hir_id)?; 51 ( 0.00%) => ???:::type_dependent_def_id (1x) 4 ( 0.00%) if cx.tcx.trait_of_assoc(get_did).is_some() { 118 ( 0.00%) => ???:::trait_of_assoc (1x) . return None; . } 3 ( 0.00%) let nz_ty = cx.typeck_results().expr_ty_adjusted(recv); 81 ( 0.00%) => ???:::expr_ty_adjusted (1x) 2 ( 0.00%) let ty::Adt(adt, _) = nz_ty.kind() else { . return None; . }; 6 ( 0.00%) if !cx.tcx.is_diagnostic_item(sym::NonZero, adt.did()) { 44 ( 0.00%) => ???:::is_diagnostic_item (1x) . return None; . } . . Some((recv, nz_ty, adt.did(), get_span)) 6,360 ( 0.00%) } . . fn emit_unnecessary_get<'tcx>( . cx: &LateContext<'tcx>, . expr: &Expr<'tcx>, . get_call: &Expr<'tcx>, . recv: &Expr<'tcx>, . get_span: Span, . operation: &str, -- line 144 ---------------------------------------- 3,181 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/redundant_async_block.rs -------------------------------------------------------------------------------- Ir -- line 35 ---------------------------------------- . pub REDUNDANT_ASYNC_BLOCK, . complexity, . "`async { future.await }` can be replaced by `future`" . } . . declare_lint_pass!(RedundantAsyncBlock => [REDUNDANT_ASYNC_BLOCK]); . . impl<'tcx> LateLintPass<'tcx> for RedundantAsyncBlock { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 52,045 ( 0.00%) let span = expr.span; 208,180 ( 0.00%) if !span.in_external_macro(cx.tcx.sess.source_map()) && 89,528 ( 0.00%) let Some(body_expr) = desugar_async_block(cx, expr) && 123,327 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/redundant_async_block.rs:clippy_lints::redundant_async_block::desugar_async_block (11,191x) . let Some(expr) = desugar_await(peel_blocks(body_expr)) && . // The await prefix must not come from a macro as its content could change in the future. . expr.span.eq_ctxt(body_expr.span) && . // The await prefix must implement Future, as implementing IntoFuture is not enough. . let Some(future_trait) = cx.tcx.lang_items().future_trait() && . implements_trait(cx, cx.typeck_results().expr_ty(expr), future_trait, &[]) && . // An async block does not have immediate side-effects from a `.await` point-of-view. . (!expr.can_have_side_effects() || desugar_async_block(cx, expr).is_some()) && -- line 54 ---------------------------------------- -- line 59 ---------------------------------------- . REDUNDANT_ASYNC_BLOCK, . span, . "this async expression only awaits a single future", . "you can reduce it to", . snippet(cx, shortened_span, "..").into_owned(), . Applicability::MachineApplicable, . ); . } 416,360 ( 0.01%) } . } . . /// If `expr` is a desugared `async` block, return the original expression if it does not capture . /// any variable by ref. 33,573 ( 0.00%) fn desugar_async_block<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> Option<&'tcx Expr<'tcx>> { 22,382 ( 0.00%) if let ExprKind::Closure(Closure { body, def_id, kind, .. }) = expr.kind 405 ( 0.00%) && let body = cx.tcx.hir_body(*body) 10,472 ( 0.00%) => ???:::hir_body (135x) 270 ( 0.00%) && matches!( . kind, . ClosureKind::Coroutine(CoroutineKind::Desugared( . CoroutineDesugaring::Async, . CoroutineSource::Block . )) . ) . { . cx.typeck_results() -- line 83 ---------------------------------------- -- line 89 ---------------------------------------- . .iter() . .all(|place| matches!(place.info.capture_kind, UpvarCapture::ByValue)) . }) . }) . .then_some(body.value) . } else { . None . } 44,764 ( 0.00%) } 11,461 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/bool_assert_comparison.rs -------------------------------------------------------------------------------- Ir -- line 68 ---------------------------------------- . .tcx . .normalize_erasing_regions(cx.typing_env(), Unnormalized::new_wip(proj)); . . nty.is_bool() . }) . } . . impl<'tcx> LateLintPass<'tcx> for BoolAssertComparison { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 2,328 ( 0.00%) let Some(macro_call) = root_macro_call_first_node(cx, expr) else { . return; . }; 5,758 ( 0.00%) let eq_macro = match cx.tcx.get_diagnostic_name(macro_call.def_id) { 18,894 ( 0.00%) => ???:::get_diagnostic_name (388x) . Some(sym::assert_eq_macro | sym::debug_assert_eq_macro) => true, . Some(sym::assert_ne_macro | sym::debug_assert_ne_macro) => false, . _ => return, . }; . let Some((a, b, _)) = find_assert_eq_args(cx, expr, macro_call.expn) else { . return; . }; . -- line 88 ---------------------------------------- -- line 148 ---------------------------------------- . . diag.multipart_suggestion( . format!("replace it with `{non_eq_mac}!(..)`"), . suggestions, . applicability, . ); . }, . ); 416,360 ( 0.01%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/visitors.rs -------------------------------------------------------------------------------- Ir -- line 87 ---------------------------------------- . } . V::Result::output() . } . } . macro_rules! visitable_ref { . ($t:ident, $f:ident) => { . impl<'tcx> Visitable<'tcx> for &'tcx $t<'tcx> { . fn visit>(self, visitor: &mut V) -> V::Result { 1,643 ( 0.00%) visitor.$f(self) 1,498 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/visitors.rs:::{closure#0}> as rustc_hir::intravisit::Visitor>::visit_expr (8x) . } . } . }; . } . visitable_ref!(Arm, visit_arm); . visitable_ref!(Block, visit_block); . visitable_ref!(Body, visit_body); . visitable_ref!(Expr, visit_expr); . visitable_ref!(Stmt, visit_stmt); . . /// Calls the given function once for each expression contained. This does not enter any bodies or . /// nested items. 26 ( 0.00%) pub fn for_each_expr_without_closures<'tcx, B, C: Continue>( . node: impl Visitable<'tcx>, . f: impl FnMut(&'tcx Expr<'tcx>) -> ControlFlow, . ) -> Option { . struct V { . f: F, . } . impl<'tcx, B, C: Continue, F: FnMut(&'tcx Expr<'tcx>) -> ControlFlow> Visitor<'tcx> for V { . type Result = ControlFlow; . 29,208 ( 0.00%) fn visit_expr(&mut self, e: &'tcx Expr<'tcx>) -> Self::Result { 106,834 ( 0.00%) match (self.f)(e) { 338,924 ( 0.01%) ControlFlow::Continue(c) if c.descend() => walk_expr(self, e), 12,901 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::> (4x) . ControlFlow::Break(b) => ControlFlow::Break(b), . ControlFlow::Continue(_) => ControlFlow::Continue(()), 16 ( 0.00%) } 4,859 ( 0.00%) } . . // Avoid unnecessary `walk_*` calls. . fn visit_ty(&mut self, _: &'tcx hir::Ty<'tcx, AmbigArg>) -> Self::Result { . ControlFlow::Continue(()) . } . fn visit_pat(&mut self, _: &'tcx Pat<'tcx>) -> Self::Result { . ControlFlow::Continue(()) . } -- line 132 ---------------------------------------- -- line 133 ---------------------------------------- . fn visit_qpath(&mut self, _: &'tcx QPath<'tcx>, _: HirId, _: Span) -> Self::Result { . ControlFlow::Continue(()) . } . // Avoid monomorphising all `visit_*` functions. . fn visit_nested_item(&mut self, _: ItemId) -> Self::Result { . ControlFlow::Continue(()) . } . } 4,248 ( 0.00%) let mut v = V { f }; . node.visit(&mut v).break_value() 26 ( 0.00%) } . . /// Calls the given function once for each expression contained. This will enter bodies, but not . /// nested items. 1 ( 0.00%) pub fn for_each_expr<'tcx, B, C: Continue>( . tcx: TyCtxt<'tcx>, . node: impl Visitable<'tcx>, . f: impl FnMut(&'tcx Expr<'tcx>) -> ControlFlow, . ) -> Option { . struct V<'tcx, F> { . tcx: TyCtxt<'tcx>, . f: F, . } -- line 155 ---------------------------------------- -- line 156 ---------------------------------------- . impl<'tcx, B, C: Continue, F: FnMut(&'tcx Expr<'tcx>) -> ControlFlow> Visitor<'tcx> for V<'tcx, F> { . type NestedFilter = nested_filter::OnlyBodies; . type Result = ControlFlow; . . fn maybe_tcx(&mut self) -> Self::MaybeTyCtxt { . self.tcx . } . 739 ( 0.00%) fn visit_expr(&mut self, e: &'tcx Expr<'tcx>) -> Self::Result { 365 ( 0.00%) match (self.f)(e) { 75 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::::{closure#0}>>'2 (3x) 3,341 ( 0.00%) ControlFlow::Continue(c) if c.descend() => walk_expr(self, e), 104 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::::{closure#0}>>'2 (2x) . ControlFlow::Break(b) => ControlFlow::Break(b), . ControlFlow::Continue(_) => ControlFlow::Continue(()), . } 308 ( 0.00%) } . . // Only walk closures . fn visit_anon_const(&mut self, _: &'tcx AnonConst) -> Self::Result { . ControlFlow::Continue(()) . } . // Avoid unnecessary `walk_*` calls. . fn visit_ty(&mut self, _: &'tcx hir::Ty<'tcx, AmbigArg>) -> Self::Result { . ControlFlow::Continue(()) -- line 178 ---------------------------------------- -- line 183 ---------------------------------------- . fn visit_qpath(&mut self, _: &'tcx QPath<'tcx>, _: HirId, _: Span) -> Self::Result { . ControlFlow::Continue(()) . } . // Avoid monomorphising all `visit_*` functions. . fn visit_nested_item(&mut self, _: ItemId) -> Self::Result { . ControlFlow::Continue(()) . } . } 372 ( 0.00%) let mut v = V { tcx, f }; . node.visit(&mut v).break_value() 2 ( 0.00%) } . . /// returns `true` if expr contains match expr desugared from try 1 ( 0.00%) fn contains_try(expr: &Expr<'_>) -> bool { . for_each_expr_without_closures(expr, |e| { 3 ( 0.00%) if matches!(e.kind, ExprKind::Match(_, _, hir::MatchSource::TryDesugar(_))) { . ControlFlow::Break(()) . } else { . ControlFlow::Continue(()) . } . }) . .is_some() 1 ( 0.00%) } . . pub fn find_all_ret_expressions<'hir, F>(_cx: &LateContext<'_>, expr: &'hir Expr<'hir>, callback: F) -> bool . where . F: FnMut(&'hir Expr<'hir>) -> bool, . { . struct RetFinder { . in_stmt: bool, . failed: bool, -- line 213 ---------------------------------------- -- line 249 ---------------------------------------- . } . } . . impl<'hir, F: FnMut(&'hir Expr<'hir>) -> bool> Visitor<'hir> for RetFinder { . fn visit_stmt(&mut self, stmt: &'hir Stmt<'_>) { . intravisit::walk_stmt(&mut *self.inside_stmt(true), stmt); . } . 7 ( 0.00%) fn visit_expr(&mut self, expr: &'hir Expr<'_>) { 2 ( 0.00%) if self.failed { . return; . } 2 ( 0.00%) if self.in_stmt { . match expr.kind { . ExprKind::Ret(Some(expr)) => self.inside_stmt(false).visit_expr(expr), . _ => walk_expr(self, expr), . } . } else { 4 ( 0.00%) match expr.kind { . ExprKind::If(cond, then, else_opt) => { . self.inside_stmt(true).visit_expr(cond); . self.visit_expr(then); . if let Some(el) = else_opt { . self.visit_expr(el); . } . }, . ExprKind::Match(cond, arms, _) => { . self.inside_stmt(true).visit_expr(cond); . for arm in arms { . self.visit_expr(arm.body); . } . }, . ExprKind::Block(..) => walk_expr(self, expr), . ExprKind::Ret(Some(expr)) => self.visit_expr(expr), 2 ( 0.00%) _ => self.failed |= !(self.cb)(expr), . } . } 8 ( 0.00%) } . } . 4 ( 0.00%) !contains_try(expr) && { 115 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/visitors.rs:clippy_utils::visitors::contains_try (1x) 6 ( 0.00%) let mut ret_finder = RetFinder { . in_stmt: false, . failed: false, . cb: callback, . }; 2 ( 0.00%) ret_finder.visit_expr(expr); 43 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/visitors.rs:::lint_closure::{closure#0}> as rustc_hir::intravisit::Visitor>::visit_expr (1x) . !ret_finder.failed . } . } . . /// Checks if the given resolved path is used in the given body. . pub fn is_res_used(cx: &LateContext<'_>, res: Res, body: BodyId) -> bool { . for_each_expr(cx.tcx, cx.tcx.hir_body(body).value, |e| { . if let ExprKind::Path(p) = &e.kind -- line 303 ---------------------------------------- -- line 307 ---------------------------------------- . } . ControlFlow::Continue(()) . }) . .is_some() . } . . /// Checks if the given local is used. . pub fn is_local_used<'tcx>(cx: &LateContext<'tcx>, visitable: impl Visitable<'tcx>, id: HirId) -> bool { 2 ( 0.00%) for_each_expr(cx.tcx, visitable, |e| { 134 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/visitors.rs:clippy_utils::visitors::for_each_expr::<(), (), &rustc_hir::hir::Expr, clippy_utils::visitors::is_local_used<&rustc_hir::hir::Expr>::{closure#0}> (1x) . if e.res_local_id() == Some(id) { . ControlFlow::Break(()) . } else { . ControlFlow::Continue(()) . } . }) . .is_some() . } . . /// Returns whether the given expression can be evaluated as a constant assuming that all its sub . /// expressions can be evaluated as constants. 39 ( 0.00%) fn is_const_evaluatable_helper<'tcx>(tcx: TyCtxt<'tcx>, typeck: &'tcx TypeckResults<'tcx>, e: &'tcx Expr<'_>) -> bool { 96 ( 0.00%) match e.kind { . ExprKind::Call( . &Expr { 1 ( 0.00%) kind: ExprKind::Path(ref p), . hir_id, . .. . }, . _, 3 ( 0.00%) ) if typeck 4 ( 0.00%) .qpath_res(p, hir_id) 15 ( 0.00%) => ???:::qpath_res (1x) . .opt_def_id() 5 ( 0.00%) .is_some_and(|id| is_stable_const_fn_at(tcx, CRATE_HIR_ID, id, Msrv::default())) => 120 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/qualify_min_const_fn.rs:clippy_utils::qualify_min_const_fn::is_stable_const_fn_at (1x) . { . true . }, . ExprKind::MethodCall(..) . if typeck 25 ( 0.00%) .type_dependent_def_id(e.hir_id) 255 ( 0.00%) => ???:::type_dependent_def_id (5x) 45 ( 0.00%) .is_some_and(|id| is_stable_const_fn_at(tcx, CRATE_HIR_ID, id, Msrv::default())) => 3,302 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/qualify_min_const_fn.rs:clippy_utils::qualify_min_const_fn::is_stable_const_fn_at (5x) . { . true . }, . ExprKind::Binary(_, lhs, rhs) 10 ( 0.00%) if typeck.expr_ty(lhs).peel_refs().is_primitive_ty() 80 ( 0.00%) => ???:::expr_ty (2x) 4 ( 0.00%) && typeck.expr_ty(rhs).peel_refs().is_primitive_ty() => 80 ( 0.00%) => ???:::expr_ty (2x) . { . true . }, . ExprKind::Unary(UnOp::Deref, e) if typeck.expr_ty(e).is_raw_ptr() => true, 3 ( 0.00%) ExprKind::Unary(_, e) if typeck.expr_ty(e).peel_refs().is_primitive_ty() => true, 40 ( 0.00%) => ???:::expr_ty (1x) . ExprKind::Index(base, _, _) . if matches!(typeck.expr_ty(base).peel_refs().kind(), ty::Slice(_) | ty::Array(..)) => . { . true . }, 2 ( 0.00%) ExprKind::Path(ref p) 8 ( 0.00%) if matches!( 14 ( 0.00%) typeck.qpath_res(p, e.hir_id), 30 ( 0.00%) => ???:::qpath_res (2x) . Res::Def( . DefKind::Const { .. } . | DefKind::AssocConst { .. } . | DefKind::AnonConst . | DefKind::ConstParam . | DefKind::Ctor(..) . | DefKind::Fn . | DefKind::AssocFn, -- line 373 ---------------------------------------- -- line 392 ---------------------------------------- . | ExprKind::Repeat(..) . | ExprKind::Struct(..) . | ExprKind::Tup(_) . | ExprKind::Type(..) . | ExprKind::UnsafeBinderCast(..) => true, . . _ => false, . } 40 ( 0.00%) } . . /// Checks if the given expression can be evaluated as a constant at the specified node 18 ( 0.00%) pub fn is_const_evaluatable<'tcx>(tcx: TyCtxt<'tcx>, typeck: &'tcx TypeckResults<'tcx>, e: &'tcx Expr<'_>) -> bool { . for_each_expr(tcx, e, move |e| { 105 ( 0.00%) if !is_const_evaluatable_helper(tcx, typeck, e) { 208 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/visitors.rs:clippy_utils::visitors::is_const_evaluatable_helper (3x) . ControlFlow::Break(()) . } else if matches!(e.kind, ExprKind::ConstBlock(_)) { . ControlFlow::Continue(Descend::No) . } else { . ControlFlow::Continue(Descend::Yes) . } . }) . .is_none() 18 ( 0.00%) } . . /// Checks if the given expression can be used as a const parameter. . /// . /// This is more strict than `is_const_evaluatable` as it requires that the expression does not . /// contain any type parameters or any operations on const parameters. . pub fn is_const_param_evaluatable<'tcx>( . tcx: TyCtxt<'tcx>, . typeck: &'tcx TypeckResults<'tcx>, -- line 422 ---------------------------------------- 50,366 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/assertions_on_constants.rs -------------------------------------------------------------------------------- Ir -- line 39 ---------------------------------------- . } . impl AssertionsOnConstants { . pub fn new(conf: &Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for AssertionsOnConstants { 520,450 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 2,716 ( 0.00%) if let Some(macro_call) = root_macro_call_first_node(cx, e) 3,095 ( 0.00%) && let is_debug = match cx.tcx.get_diagnostic_name(macro_call.def_id) { 18,894 ( 0.00%) => ???:::get_diagnostic_name (388x) . Some(sym::debug_assert_macro) => true, . Some(sym::assert_macro) => false, . _ => return, . } 21 ( 0.00%) && let Some((condition, _)) = find_assert_args(cx, e, macro_call.expn) 3,488 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::find_assert_args (3x) . // Check if the whole expression can be moved into a const context. . // Note that const eval can evaluate things which cannot be moved (e.g. `false && x`). 15 ( 0.00%) && is_const_evaluatable(cx.tcx, cx.typeck_results(), condition) 2,966 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/visitors.rs:clippy_utils::visitors::is_const_evaluatable (3x) . && let Some((Constant::Bool(assert_val), const_src)) = . ConstEvalCtxt::new(cx).eval_with_source(condition, macro_call.span.ctxt()) . && let in_const_context = is_inside_always_const_context(cx.tcx, e.hir_id) . && (const_src.is_local() || !in_const_context) . && !(is_debug && as_bool_lit(condition) == Some(false)) . { . let (msg, help) = if !const_src.is_local() { . let help = if self.msrv.meets(cx, msrvs::CONST_BLOCKS) { -- line 65 ---------------------------------------- -- line 76 ---------------------------------------- . ( . "this assertion is always `false`", . "replace this with `panic!()` or `unreachable!()`", . ) . }; . . span_lint_and_help(cx, ASSERTIONS_ON_CONSTANTS, macro_call.span, msg, None, help); . } 416,360 ( 0.01%) } . } . . fn as_bool_lit(e: &Expr<'_>) -> Option { . if let ExprKind::Lit(l) = e.kind . && let LitKind::Bool(b) = l.node . { . Some(b) . } else { -- line 92 ---------------------------------------- 785 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/default.rs -------------------------------------------------------------------------------- Ir -- line 73 ---------------------------------------- . . #[derive(Default)] . pub struct Default { . // Spans linted by `field_reassign_with_default`. . reassigned_linted: FxHashSet, . } . . impl<'tcx> LateLintPass<'tcx> for Default { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,135 ( 0.00%) if !expr.span.from_expansion() . // Avoid cases already linted by `field_reassign_with_default` 11,547 ( 0.00%) && !self.reassigned_linted.contains(&expr.span) 63 ( 0.00%) && let ExprKind::Call(path, []) = expr.kind 693 ( 0.00%) && !in_automatically_derived(cx.tcx, expr.hir_id) 32,326 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::in_automatically_derived (63x) 189 ( 0.00%) && let ExprKind::Path(ref qpath) = path.kind 315 ( 0.00%) && let Some(def_id) = cx.qpath_res(qpath, path.hir_id).opt_def_id() 4,749 ( 0.00%) => ???:::qpath_res (63x) 305 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::default_fn, def_id) 4,017 ( 0.00%) => ???:::is_diagnostic_item (61x) 45 ( 0.00%) && !is_update_syntax_base(cx, expr) 973 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/default.rs:clippy_lints::default::is_update_syntax_base (9x) . // Detect and ignore ::default() because these calls do explicitly name the type. 18 ( 0.00%) && let QPath::Resolved(None, _path) = qpath . && let expr_ty = cx.typeck_results().expr_ty(expr) . && let ty::Adt(def, ..) = expr_ty.kind() . && !is_from_proc_macro(cx, expr) . { . let replacement = with_forced_trimmed_paths!(format!("{}::default()", cx.tcx.def_path_str(def.did()))); . span_lint_and_sugg( . cx, . DEFAULT_TRAIT_ACCESS, . expr.span, . format!("calling `{replacement}` is more clear than this expression"), . "try", . replacement, . Applicability::Unspecified, // First resolve the TODO above . ); . } 416,360 ( 0.01%) } . . #[expect(clippy::too_many_lines)] 22,266 ( 0.00%) fn check_block(&mut self, cx: &LateContext<'tcx>, block: &Block<'tcx>) { . // start from the `let mut _ = _::default();` and look at all the following . // statements, see if they re-assign the fields of the binding . let stmts_head = match block.stmts { 9,896 ( 0.00%) [] | [_] => return, . // Skip the last statement since there cannot possibly be any following statements that re-assign fields. . [head @ .., _] => head, . }; . for (stmt_idx, stmt) in stmts_head.iter().enumerate() { . // find all binding statements like `let mut _ = T::default()` where `T::default()` is the . // `default` method of the `Default` trait, and store statement index in current block being . // checked and the name of the bound variable 18,405 ( 0.00%) let (local, variant, binding_name, binding_type, span) = if let StmtKind::Let(local) = stmt.kind . // only take `let ...` statements 5,571 ( 0.00%) && let Some(expr) = local.init 12,985 ( 0.00%) && !in_automatically_derived(cx.tcx, expr.hir_id) 767,194 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::in_automatically_derived (1,855x) 3,708 ( 0.00%) && !expr.span.from_expansion() . // only take bindings to identifiers 2,739 ( 0.00%) && let PatKind::Binding(_, binding_id, ident, _) = local.pat.kind . // only when assigning `... = Default::default()` 2,185 ( 0.00%) && is_expr_default(cx, expr) 3,676 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_expr_default (437x) . && let binding_type = cx.typeck_results().node_type(binding_id) . && let ty::Adt(adt, args) = *binding_type.kind() . && adt.is_struct() . && let variant = adt.non_enum_variant() . && !variant.field_list_has_applicable_non_exhaustive() . && let module_did = cx.tcx.parent_module(stmt.hir_id) . && variant . .fields -- line 139 ---------------------------------------- -- line 242 ---------------------------------------- . first_assign.unwrap().span, . "field assignment outside of initializer for an instance created with Default::default()", . Some(local.span), . format!("consider initializing the variable with `{sugg}` and removing relevant reassignments"), . ); . self.reassigned_linted.insert(span); . } . } 19,792 ( 0.00%) } . } . . /// Returns the reassigned field and the assigning expression (right-hand side of assign). . fn field_reassigned_by_stmt<'tcx>(this: &Stmt<'tcx>, binding_name: Symbol) -> Option<(Ident, &'tcx Expr<'tcx>)> { . if let StmtKind::Semi(later_expr) = this.kind . // only take assignments . && let ExprKind::Assign(assign_lhs, assign_rhs, _) = later_expr.kind . // only take assignments to fields where the left-hand side field is a field of -- line 258 ---------------------------------------- -- line 264 ---------------------------------------- . { . Some((field_ident, assign_rhs)) . } else { . None . } . } . . /// Returns whether `expr` is the update syntax base: `Foo { a: 1, .. base }` 18 ( 0.00%) fn is_update_syntax_base<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> bool { 27 ( 0.00%) if let Some(parent) = get_parent_expr(cx, expr) 891 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (9x) 10 ( 0.00%) && let ExprKind::Struct(_, _, StructTailExpr::Base(base)) = parent.kind . { . base.hir_id == expr.hir_id . } else { . false . } 18 ( 0.00%) } 15,187 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/macro_metavars_in_unsafe.rs -------------------------------------------------------------------------------- Ir -- line 106 ---------------------------------------- . /// } . /// } . /// ``` . metavar_expns: BTreeMap, . } . . impl ExprMetavarsInUnsafe { . pub fn new(conf: &'static Conf) -> Self { 3 ( 0.00%) Self { . warn_unsafe_macro_metavars_in_private_macros: conf.warn_unsafe_macro_metavars_in_private_macros, . metavar_expns: BTreeMap::new(), . } . } . } . . struct BodyVisitor<'a, 'tcx> { . /// Stack of unsafe blocks -- the top item always represents the last seen unsafe block from -- line 122 ---------------------------------------- -- line 147 ---------------------------------------- . . fn is_public_macro(cx: &LateContext<'_>, def_id: LocalDefId) -> bool { . (cx.effective_visibilities.is_exported(def_id) || find_attr!(cx.tcx, def_id, MacroExport { .. })) . && !cx.tcx.is_doc_hidden(def_id) . } . . impl<'tcx> Visitor<'tcx> for BodyVisitor<'_, 'tcx> { . fn visit_stmt(&mut self, s: &'tcx Stmt<'tcx>) { 19,954 ( 0.00%) let from_expn = s.span.from_expansion(); . if from_expn { 8,883 ( 0.00%) self.expn_depth += 1; . } . walk_stmt(self, s); . if from_expn { 8,991 ( 0.00%) self.expn_depth -= 1; . } . } . 406,856 ( 0.01%) fn visit_expr(&mut self, e: &'tcx Expr<'tcx>) { 50,857 ( 0.00%) let ctxt = e.span.ctxt(); . 101,714 ( 0.00%) if let ExprKind::Block(block, _) = e.kind 4,835 ( 0.00%) && let BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided) = block.rules . && !ctxt.is_root() . && let Some(macro_def_id) = ctxt.outer_expn_data().macro_def_id . && let Some(macro_def_id) = macro_def_id.as_local() . && (self.lint.warn_unsafe_macro_metavars_in_private_macros || is_public_macro(self.cx, macro_def_id)) . { . self.macro_unsafe_blocks.push(block.hir_id); . self.expn_depth += 1; . walk_block(self, block); . self.expn_depth -= 1; . self.macro_unsafe_blocks.pop(); 120,338 ( 0.00%) } else if ctxt.is_root() && self.expn_depth > 0 { . let unsafe_block = self.macro_unsafe_blocks.last().copied(); . 300 ( 0.00%) match (self.lint.metavar_expns.entry(e.span), unsafe_block) { 750 ( 0.00%) (Entry::Vacant(e), None) => { 150 ( 0.00%) e.insert(MetavarState::ReferencedInSafe); . }, . (Entry::Vacant(e), Some(unsafe_block)) => { . e.insert(MetavarState::ReferencedInUnsafe { . unsafe_blocks: vec![unsafe_block], . }); . }, . (Entry::Occupied(mut e), None) => { . if let MetavarState::ReferencedInUnsafe { .. } = *e.get() { -- line 193 ---------------------------------------- -- line 201 ---------------------------------------- . unsafe_blocks.push(unsafe_block); . } . }, . } . . // NB: No need to visit descendant nodes. They're guaranteed to represent the same . // metavariable . } else { 152,121 ( 0.00%) walk_expr(self, e); 4,884,552 ( 0.09%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr:: (460x) . } 406,856 ( 0.01%) } . } . . impl<'tcx> LateLintPass<'tcx> for ExprMetavarsInUnsafe { 4,140 ( 0.00%) fn check_body(&mut self, cx: &LateContext<'tcx>, body: &rustc_hir::Body<'tcx>) { 3,680 ( 0.00%) if is_lint_allowed(cx, MACRO_METAVARS_IN_UNSAFE, body.value.hir_id) { 602,274 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed (460x) . return; . } . . // This BodyVisitor is separate and not part of the lint pass because there is no . // `check_stmt_post` on `(Late)LintPass`, which we'd need to detect when we're leaving a macro span . 2,760 ( 0.00%) let mut vis = BodyVisitor { . macro_unsafe_blocks: Vec::new(), . #[expect(clippy::bool_to_int_with_if)] // obfuscates the meaning 920 ( 0.00%) expn_depth: if body.value.span.from_expansion() { 1 } else { 0 }, . cx, . lint: self . }; . vis.visit_body(body); 3,220 ( 0.00%) } . . fn check_crate_post(&mut self, cx: &LateContext<'tcx>) { . // Aggregate all unsafe blocks from all spans: . // ``` . // macro_rules! x { . // ($w:expr, $x:expr, $y:expr) => { $w; unsafe { $w; $x; }; unsafe { $x; $y; }; } . // } . // $w: [] (unsafe#0 is never added because it was referenced in a safe context) . // $x: [unsafe#0, unsafe#1] . // $y: [unsafe#1] . // ``` . // We want to lint unsafe blocks #0 and #1 . let bad_unsafe_blocks = self . .metavar_expns . .values() 150 ( 0.00%) .filter_map(|state| match state { . MetavarState::ReferencedInUnsafe { unsafe_blocks } => Some(unsafe_blocks.as_slice()), . MetavarState::ReferencedInSafe => None, . }) . .flatten() . .copied() . .inspect(|&unsafe_block| { . let level_spec = cx.tcx.lint_level_spec_at_node(MACRO_METAVARS_IN_UNSAFE, unsafe_block); . if level_spec.is_expect() { -- line 255 ---------------------------------------- -- line 266 ---------------------------------------- . // The invocation doesn't matter. Also we want to dedupe by the unsafe block and not by anything . // related to the callsite. . let span = cx.tcx.hir_span(id); . . (id, Span::new(span.lo(), span.hi(), SyntaxContext::root(), None)) . }) . .dedup_by(|&(_, a), &(_, b)| a == b); . 20 ( 0.00%) for (id, span) in bad_unsafe_blocks { 6,071 ( 0.00%) => /home/moon/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.15.0/src/adaptors/coalesce.rs:, ::check_crate_post::{closure#0}>>>, ::check_crate_post::{closure#1}>, ::check_crate_post::{closure#2}>, itertools::adaptors::coalesce::DedupPred2CoalescePred<::check_crate_post::{closure#3}>, itertools::adaptors::coalesce::NoCount> as core::iter::traits::iterator::Iterator>::next (1x) . span_lint_hir_and_then( . cx, . MACRO_METAVARS_IN_UNSAFE, . id, . span, . "this macro expands metavariables in an unsafe block", . |diag| { . diag.note("this allows the user of the macro to write unsafe code outside of an unsafe block"); -- line 282 ---------------------------------------- -- line 284 ---------------------------------------- . "consider expanding any metavariables outside of this block, e.g. by storing them in a variable", . ); . diag.help( . "... or also expand referenced metavariables in a safe context to require an unsafe block at callsite", . ); . }, . ); . } 8 ( 0.00%) } . } 207,860 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/reference.rs -------------------------------------------------------------------------------- Ir -- line 34 ---------------------------------------- . pub DEREF_ADDROF, . complexity, . "use of `*&` or `*&mut` in an expression" . } . . declare_lint_pass!(DerefAddrOf => [DEREF_ADDROF]); . . impl LateLintPass<'_> for DerefAddrOf { 312,270 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, e: &Expr<'_>) { 156,135 ( 0.00%) if !e.span.from_expansion() 178 ( 0.00%) && let ExprKind::Unary(UnOp::Deref, deref_target) = e.kind 36 ( 0.00%) && !deref_target.span.from_expansion() 36 ( 0.00%) && let ExprKind::AddrOf(_, _, addrof_target) = deref_target.kind . // NOTE(tesuji): `*&` forces rustc to const-promote the array to `.rodata` section. . // See #12854 for details. . && !matches!(addrof_target.kind, ExprKind::Array(_)) . && deref_target.span.eq_ctxt(e.span) . && !addrof_target.span.from_expansion() . { . let mut applicability = Applicability::MachineApplicable; . let mut sugg = || Sugg::hir_with_applicability(cx, addrof_target, "_", &mut applicability); -- line 54 ---------------------------------------- -- line 73 ---------------------------------------- . DEREF_ADDROF, . e.span, . "immediately dereferencing a reference", . "try", . sugg.to_string(), . applicability, . ); . } 312,270 ( 0.01%) } . } . . /// Is this a `ManuallyDrop` reached through a union, and when is `DerefMut` called on it? . enum ManuallyDropThroughUnion { . /// `ManuallyDrop` reached through a union and immediately explicitely dereferenced . Directly, . /// `ManuallyDrop` reached through a union, and dereferenced later on . Indirect, -- line 89 ---------------------------------------- 20,334 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/only_used_in_recursion.rs -------------------------------------------------------------------------------- Ir -- line 213 ---------------------------------------- . impl Usage { . fn new(span: Span, idx: usize) -> Self { . Self { span, idx } . } . } . . /// The parameters being checked by the lint, indexed by both the parameter's `HirId` and the . /// `DefId` of the function paired with the parameter's index. 2 ( 0.00%) #[derive(Default)] . #[expect(clippy::struct_field_names)] . struct Params { . params: Vec, . by_id: HirIdMap, . by_fn: FxHashMap<(DefId, usize), usize>, . } . impl Params { . fn insert(&mut self, param: Param, id: HirId) { -- line 229 ---------------------------------------- -- line 230 ---------------------------------------- . let idx = self.params.len(); . self.by_id.insert(id, idx); . self.by_fn.insert((param.fn_id, param.idx), idx); . self.params.push(param); . } . . fn remove_by_id(&mut self, id: HirId) { . if let Some(param) = self.get_by_id_mut(id) { 1,665 ( 0.00%) param.uses = Vec::new(); 2,220 ( 0.00%) let key = (param.fn_id, param.idx); . self.by_fn.remove(&key); . // FIXME(rust/#120456) - is `swap_remove` correct? 1,110 ( 0.00%) self.by_id.swap_remove(&id); 60,112 ( 0.00%) => /rust/deps/indexmap-2.14.0/src/map.rs:>::swap_remove:: (555x) . } . } . . fn get_by_id_mut(&mut self, id: HirId) -> Option<&mut Param> { 53,278 ( 0.00%) self.params.get_mut(*self.by_id.get(&id)?) 260,328 ( 0.00%) => /rust/deps/indexmap-2.14.0/src/map.rs:>::get:: (13,317x) . } . . fn get_by_fn(&self, id: DefId, idx: usize) -> Option<&Param> { . self.params.get(*self.by_fn.get(&(id, idx))?) . } . . fn clear(&mut self) { . self.params.clear(); -- line 255 ---------------------------------------- -- line 257 ---------------------------------------- . self.by_fn.clear(); . } . . /// Sets the `apply_lint` flag on each parameter. . fn flag_for_linting(&self) { . // Stores the list of parameters currently being resolved. Needed to avoid cycles. . let mut eval_stack = Vec::new(); . for param in &self.params { 1,671 ( 0.00%) self.try_disable_lint_for_param(param, &mut eval_stack); 3,899 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/only_used_in_recursion.rs:::try_disable_lint_for_param (557x) . } . } . . // Use by calling `flag_for_linting`. . fn try_disable_lint_for_param(&self, param: &Param, eval_stack: &mut Vec) -> bool { 1,114 ( 0.00%) if !param.apply_lint.get() { . true 557 ( 0.00%) } else if param.uses.is_empty() { . // Don't lint on unused parameters. . param.apply_lint.set(false); . true . } else if eval_stack.contains(¶m.idx) { . // Already on the evaluation stack. Returning false will continue to evaluate other dependencies. . false . } else { . eval_stack.push(param.idx); -- line 281 ---------------------------------------- -- line 290 ---------------------------------------- . param.apply_lint.set(false); . eval_stack.pop(); . return true; . } . } . eval_stack.pop(); . false . } 557 ( 0.00%) } . } . 11 ( 0.00%) #[derive(Default)] . pub struct OnlyUsedInRecursion { . /// Track the top-level body entered. Needed to delay reporting when entering nested bodies. . entered_body: Option, . params: Params, . } . . impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { 3,680 ( 0.00%) fn check_body(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { 1,380 ( 0.00%) if body.value.span.from_expansion() { . return; . } . // `skip_params` is either `0` or `1` to skip the `self` parameter in trait functions. . // It can't be renamed, and it can't be removed without removing it from multiple functions. 5,842 ( 0.00%) let (fn_id, fn_kind, skip_params) = match cx.tcx.parent_hir_node(body.value.hir_id) { 38,720 ( 0.00%) => ???:::parent_hir_node (440x) 360 ( 0.00%) Node::Item(i) => (i.owner_id.to_def_id(), FnKind::Fn, 0), . Node::TraitItem(&TraitItem { . kind: TraitItemKind::Fn(ref sig, _), . owner_id, . .. . }) => ( . owner_id.to_def_id(), . FnKind::TraitFn, . usize::from(sig.decl.implicit_self().has_implicit_self()), . ), . Node::ImplItem(&ImplItem { . kind: ImplItemKind::Fn(ref sig, _), 134 ( 0.00%) owner_id, 134 ( 0.00%) impl_kind, . .. . }) => { 516 ( 0.00%) if let ImplItemImplKind::Trait { trait_item_def_id, .. } = impl_kind . && let Ok(trait_item_id) = trait_item_def_id . { . let impl_id = cx.tcx.local_parent(owner_id.def_id); 40 ( 0.00%) let trait_ref = cx.tcx.impl_trait_ref(impl_id).instantiate_identity().skip_norm_wip(); 820 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/mod.rs:::impl_trait_ref:: (20x) . ( . trait_item_id, . FnKind::ImplTraitFn( . std::ptr::from_ref(cx.tcx.erase_and_anonymize_regions(trait_ref.args)) as usize . ), . usize::from(sig.decl.implicit_self().has_implicit_self()), . ) . } else { . (owner_id.to_def_id(), FnKind::Fn, 0) . } . }, . _ => return, . }; 628 ( 0.00%) body.params . .iter() . .enumerate() . .skip(skip_params) 2,248 ( 0.00%) .filter_map(|(idx, p)| match p.pat.kind { 5,590 ( 0.00%) PatKind::Binding(_, id, ident, None) if !ident.as_str().starts_with('_') => { 17,984 ( 0.00%) => ???:::as_str (562x) . Some((id, Param::new(fn_id, fn_kind, idx, ident))) . }, . _ => None, . }) . .for_each(|(id, param)| self.params.insert(param, id)); 314 ( 0.00%) if self.entered_body.is_none() { 612 ( 0.00%) self.entered_body = Some(body.value.hir_id); . } 3,680 ( 0.00%) } . 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'tcx>) { . if let Some(id) = e.res_local_id() . && let Some(param) = self.params.get_by_id_mut(id) . { . let typeck = cx.typeck_results(); 565 ( 0.00%) let span = e.span; . let mut e = e; . loop { 3,708 ( 0.00%) match get_expr_use_or_unification_node(cx.tcx, e) { 108,889 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_expr_use_or_unification_node (614x) . None | Some((Node::Stmt(_), _)) => return, 7,293 ( 0.00%) Some((Node::Expr(parent), child_id)) => match parent.kind { . // Recursive call. Track which index the parameter is used in. 3 ( 0.00%) ExprKind::Call(callee, args) 2,584 ( 0.00%) if callee.res(cx).opt_def_id().is_some_and(|id| { 526 ( 0.00%) id == param.fn_id && has_matching_args(param.fn_kind, typeck.node_args(callee.hir_id)) 621 ( 0.00%) => ???:::node_args (16x) 1,336 ( 0.00%) }) => . { . if let Some(idx) = args.iter().position(|arg| arg.hir_id == child_id) { 1 ( 0.00%) param.uses.push(Usage::new(span, idx)); . } . return; . }, 14 ( 0.00%) ExprKind::MethodCall(_, receiver, args, _) 2,067 ( 0.00%) if typeck.type_dependent_def_id(parent.hir_id).is_some_and(|id| { 8,121 ( 0.00%) => ???:::type_dependent_def_id (159x) . id == param.fn_id && has_matching_args(param.fn_kind, typeck.node_args(parent.hir_id)) . }) => . { 7 ( 0.00%) if let Some(idx) = iter::once(receiver).chain(args).position(|arg| arg.hir_id == child_id) { 3 ( 0.00%) param.uses.push(Usage::new(span, idx)); . } . return; . }, . // Assignment to a parameter is fine. . ExprKind::Assign(lhs, _, _) | ExprKind::AssignOp(_, lhs, _) if lhs.hir_id == child_id => { . return; . }, . // Parameter update e.g. `x = x + 1` . ExprKind::Assign(lhs, rhs, _) | ExprKind::AssignOp(_, lhs, rhs) . if rhs.hir_id == child_id && lhs.res_local_id() == Some(id) => . { . return; . }, . // Side-effect free expressions. Walk to the parent expression. . ExprKind::Binary(_, lhs, rhs) 24 ( 0.00%) if typeck.expr_ty(lhs).is_primitive() && typeck.expr_ty(rhs).is_primitive() => 240 ( 0.00%) => ???:::expr_ty (6x) . { . e = parent; . continue; . }, 30 ( 0.00%) ExprKind::Unary(_, arg) if typeck.expr_ty(arg).is_primitive() => { 240 ( 0.00%) => ???:::expr_ty (6x) . e = parent; . continue; . }, . ExprKind::AddrOf(..) | ExprKind::Cast(..) => { . e = parent; . continue; . }, . // Only allow field accesses without auto-deref -- line 423 ---------------------------------------- -- line 428 ---------------------------------------- . _ => (), . }, . _ => (), . } . self.params.remove_by_id(id); . return; . } . } 416,360 ( 0.01%) } . 3,220 ( 0.00%) fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { 449 ( 0.00%) if self.entered_body == Some(body.value.hir_id) { 306 ( 0.00%) self.entered_body = None; . self.params.flag_for_linting(); . for param in &self.params.params { 1,114 ( 0.00%) if param.apply_lint.get() { . if param.ident.name == kw::SelfLower { . span_lint_and_then( . cx, . SELF_ONLY_USED_IN_RECURSION, . param.ident.span, . "`self` is only used in recursion", . |diag| { . diag.span_note( -- line 451 ---------------------------------------- -- line 473 ---------------------------------------- . ); . }, . ); . } . } . } . self.params.clear(); . } 3,680 ( 0.00%) } . } . . fn has_matching_args(kind: FnKind, args: GenericArgsRef<'_>) -> bool { 44 ( 0.00%) match kind { . FnKind::Fn => true, . FnKind::TraitFn => args.iter().enumerate().all(|(idx, subst)| match subst.kind() { . GenericArgKind::Lifetime(_) => true, . GenericArgKind::Type(ty) => matches!(*ty.kind(), ty::Param(ty) if ty.index as usize == idx), . GenericArgKind::Const(c) => matches!(c.kind(), ConstKind::Param(c) if c.index as usize == idx), . }), 12 ( 0.00%) FnKind::ImplTraitFn(expected_args) => std::ptr::from_ref(args) as usize == expected_args, . } . } 10,217 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/useless_concat.rs -------------------------------------------------------------------------------- Ir -- line 28 ---------------------------------------- . pub USELESS_CONCAT, . complexity, . "checks that the `concat` macro has at least two arguments" . } . . declare_lint_pass!(UselessConcat => [USELESS_CONCAT]); . . impl LateLintPass<'_> for UselessConcat { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { . // Check that the expression is generated by a macro. 156,135 ( 0.00%) if expr.span.from_expansion() . // Check that it's a string literal. 2,930 ( 0.00%) && let ExprKind::Lit(lit) = expr.kind 9,134 ( 0.00%) && let LitKind::Str(lit_s, _) = lit.node . // Get the direct parent of the expression. 14,650 ( 0.00%) && let Some(macro_call) = macro_backtrace(expr.span).next() . // Check if the `concat` macro from the `core` library. 20,510 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::macro_concat, macro_call.def_id) 263,700 ( 0.00%) => ???:::is_diagnostic_item (2,930x) . // We get the original code to parse it. . && let Some(original_code) = snippet_opt(cx, macro_call.span) . // This check allows us to ensure that the code snippet: . // 1. Doesn't come from proc-macro expansion. . // 2. Doesn't come from foreign macro expansion. . // . // It works as follows: if the snippet we get doesn't contain `concat!(`, then it . // means it's not code written in the current crate so we shouldn't lint. -- line 53 ---------------------------------------- -- line 94 ---------------------------------------- . macro_call.span, . "unneeded use of `concat!` macro", . "replace with", . format!("{lit_s:?}"), . Applicability::MachineApplicable, . ); . } . } 416,360 ( 0.01%) } . } 86,686 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/uninit_vec.rs -------------------------------------------------------------------------------- Ir -- line 58 ---------------------------------------- . "Vec with uninitialized data" . } . . declare_lint_pass!(UninitVec => [UNINIT_VEC]); . . // FIXME: update to a visitor-based implementation. . // Threads: https://github.com/rust-lang/rust-clippy/pull/7682#discussion_r710998368 . impl<'tcx> LateLintPass<'tcx> for UninitVec { 22,266 ( 0.00%) fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx Block<'_>) { 2,474 ( 0.00%) let ctxt = block.span.ctxt(); 14,844 ( 0.00%) if !ctxt.in_external_macro(cx.tcx.sess.source_map()) { 434,679 ( 0.01%) => ???:::in_external_macro (2,474x) 3,636 ( 0.00%) for [stmt1, stmt2] in block.stmts.array_windows::<2>() { 2,518 ( 0.00%) if let StmtKind::Expr(expr) | StmtKind::Semi(expr) = stmt2.kind 450 ( 0.00%) && stmt1.span.ctxt() == ctxt 450 ( 0.00%) && stmt2.span.ctxt() == ctxt 450 ( 0.00%) && expr.span.ctxt() == ctxt . { 848 ( 0.00%) handle_uninit_vec_pair(cx, ctxt, stmt1, expr); 14,577 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/uninit_vec.rs:clippy_lints::uninit_vec::handle_uninit_vec_pair (212x) . } . } . 2,076 ( 0.00%) if let (Some(stmt), Some(expr)) = (block.stmts.last(), block.expr) 516 ( 0.00%) && stmt.span.ctxt() == ctxt 516 ( 0.00%) && expr.span.ctxt() == ctxt . { 1,584 ( 0.00%) handle_uninit_vec_pair(cx, ctxt, stmt, expr); 7,617 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/uninit_vec.rs:clippy_lints::uninit_vec::handle_uninit_vec_pair (144x) . } . } 18,640 ( 0.00%) } . } . 3,560 ( 0.00%) fn handle_uninit_vec_pair<'tcx>( . cx: &LateContext<'tcx>, . ctxt: SyntaxContext, . maybe_init_or_reserve: &'tcx Stmt<'tcx>, . maybe_set_len: &'tcx Expr<'tcx>, . ) { 712 ( 0.00%) if let Some(vec) = extract_init_or_reserve_target(cx, maybe_init_or_reserve) . && let Some((set_len_self, call_span)) = extract_set_len_self(cx, maybe_set_len) . && vec.location.eq_expr(cx, ctxt, set_len_self) . && let ty::Ref(_, vec_ty, _) = cx.typeck_results().expr_ty_adjusted(set_len_self).kind() . && let ty::Adt(_, args) = vec_ty.kind() . // `#[allow(...)]` attribute can be set on enclosing unsafe block of `set_len()` . && !is_lint_allowed(cx, UNINIT_VEC, maybe_set_len.hir_id) . { . if vec.has_capacity() { -- line 103 ---------------------------------------- -- line 119 ---------------------------------------- . span_lint( . cx, . UNINIT_VEC, . vec![call_span, maybe_init_or_reserve.span], . "calling `set_len()` on empty `Vec` creates out-of-bound values", . ); . } . } 2,848 ( 0.00%) } . . /// The target `Vec` that is initialized or reserved . #[derive(Clone, Copy)] . struct TargetVec<'tcx> { . location: VecLocation<'tcx>, . /// `None` if `reserve()` . init_kind: Option, . } -- line 135 ---------------------------------------- -- line 153 ---------------------------------------- . VecLocation::Expr(self_expr) => SpanlessEq::new(cx).eq_expr(ctxt, self_expr, expr), . } . } . } . . /// Finds the target location where the result of `Vec` initialization is stored . /// or `self` expression for `Vec::reserve()`. . fn extract_init_or_reserve_target<'tcx>(cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'tcx>) -> Option> { 1,436 ( 0.00%) match stmt.kind { . StmtKind::Let(local) => { 552 ( 0.00%) if let Some(init_expr) = local.init 1,357 ( 0.00%) && let PatKind::Binding(_, hir_id, _, None) = local.pat.kind 805 ( 0.00%) && let Some(init_kind) = get_vec_init_kind(cx, init_expr) 5,784 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::get_vec_init_kind (161x) . { . return Some(TargetVec { . location: VecLocation::Local(hir_id), . init_kind: Some(init_kind), . }); . } . }, 848 ( 0.00%) StmtKind::Expr(expr) | StmtKind::Semi(expr) => match expr.kind { 12 ( 0.00%) ExprKind::Assign(lhs, rhs, _span) => { 30 ( 0.00%) if let Some(init_kind) = get_vec_init_kind(cx, rhs) { 225 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::get_vec_init_kind (6x) . return Some(TargetVec { . location: VecLocation::Expr(lhs), . init_kind: Some(init_kind), . }); . } . }, 386 ( 0.00%) ExprKind::MethodCall(path, self_expr, [_], _) if is_reserve(cx, path, self_expr) => { . return Some(TargetVec { . location: VecLocation::Expr(self_expr), . init_kind: None, . }); . }, . _ => (), . }, . StmtKind::Item(_) => (), . } . None . } . . fn is_reserve(cx: &LateContext<'_>, path: &PathSegment<'_>, self_expr: &Expr<'_>) -> bool { . cx.typeck_results() 32 ( 0.00%) .expr_ty(self_expr) 1,280 ( 0.00%) => ???:::expr_ty (32x) . .peel_refs() . .is_diag_item(cx, sym::Vec) . && path.ident.name == sym::reserve . } . . /// Returns self if the expression is `Vec::set_len()` . fn extract_set_len_self<'tcx>(cx: &LateContext<'_>, expr: &'tcx Expr<'_>) -> Option<(&'tcx Expr<'tcx>, Span)> { . // peel unsafe blocks in `unsafe { vec.set_len() }` -- line 205 ---------------------------------------- 18,282 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_hash_one.rs -------------------------------------------------------------------------------- Ir -- line 55 ---------------------------------------- . . impl ManualHashOne { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl LateLintPass<'_> for ManualHashOne { 17,216 ( 0.00%) fn check_local(&mut self, cx: &LateContext<'_>, local: &LetStmt<'_>) { . // `let mut hasher = seg.build_hasher();` 18,536 ( 0.00%) if let PatKind::Binding(BindingMode::MUT, hasher, _, None) = local.pat.kind 3,210 ( 0.00%) && let Some(init) = local.init 2,140 ( 0.00%) && !init.span.from_expansion() 256 ( 0.00%) && let ExprKind::MethodCall(seg, build_hasher, [], _) = init.kind 20 ( 0.00%) && seg.ident.name == sym::build_hasher . . && let Node::Stmt(local_stmt) = cx.tcx.parent_hir_node(local.hir_id) . && let Node::Block(block) = cx.tcx.parent_hir_node(local_stmt.hir_id) . . && let mut stmts = block.stmts.iter() . .skip_while(|stmt| stmt.hir_id != local_stmt.hir_id) . .skip(1) . .filter(|&stmt| is_local_used(cx, stmt, hasher)) -- line 77 ---------------------------------------- -- line 121 ---------------------------------------- . ), . ], . Applicability::MachineApplicable, . ); . } . }, . ); . } 17,216 ( 0.00%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/vec_init_then_push.rs -------------------------------------------------------------------------------- Ir -- line 147 ---------------------------------------- . s, . Applicability::HasPlaceholders, . ); . } . } . . impl<'tcx> LateLintPass<'tcx> for VecInitThenPush { . fn check_block(&mut self, _: &LateContext<'tcx>, _: &'tcx Block<'tcx>) { 2,474 ( 0.00%) self.searcher = None; . } . 15,064 ( 0.00%) fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx LetStmt<'tcx>) { 6,456 ( 0.00%) if let Some(init_expr) = local.init 18,516 ( 0.00%) && let PatKind::Binding(BindingMode::MUT, id, name, None) = local.pat.kind 3,210 ( 0.00%) && !local.span.in_external_macro(cx.sess().source_map()) 540 ( 0.00%) && let Some(init) = get_vec_init_kind(cx, init_expr) 9,243 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::get_vec_init_kind (108x) . && !matches!(init, VecInitKind::WithExprCapacity(_)) . { . self.searcher = Some(VecPushSearcher { . local_id: id, . init, . lhs_is_let: true, . let_ty_span: local.ty.map(|ty| ty.span), . name: name.name, . err_span: local.span, . found: 0, . last_push_expr: init_expr.hir_id, . }); . } 17,216 ( 0.00%) } . . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,135 ( 0.00%) if self.searcher.is_none() 40 ( 0.00%) && let ExprKind::Assign(left, right, _) = expr.kind 185 ( 0.00%) && let ExprKind::Path(QPath::Resolved(None, path)) = left.kind 42 ( 0.00%) && let [name] = &path.segments 63 ( 0.00%) && let Res::Local(id) = path.res 168 ( 0.00%) && !expr.span.in_external_macro(cx.sess().source_map()) 2,457 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:::in_external_macro (21x) 105 ( 0.00%) && let Some(init) = get_vec_init_kind(cx, right) 1,076 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::get_vec_init_kind (21x) . && !matches!(init, VecInitKind::WithExprCapacity(_)) . { . self.searcher = Some(VecPushSearcher { . local_id: id, . init, . lhs_is_let: false, . let_ty_span: None, . name: name.ident.name, . err_span: expr.span, . found: 0, . last_push_expr: expr.hir_id, . }); . } 52,045 ( 0.00%) } . . fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { 20,248 ( 0.00%) if let Some(searcher) = self.searcher.take() { . if let StmtKind::Expr(expr) | StmtKind::Semi(expr) = stmt.kind . && !stmt.span.from_expansion() . && let ExprKind::MethodCall(name, self_arg, [_], _) = expr.kind . && self_arg.res_local_id() == Some(searcher.local_id) . && name.ident.name == sym::push . { . self.searcher = Some(VecPushSearcher { . err_span: searcher.err_span.to(stmt.span), -- line 210 ---------------------------------------- -- line 211 ---------------------------------------- . found: searcher.found + 1, . last_push_expr: expr.hir_id, . ..searcher . }); . } else { . searcher.display_err(cx); . } . } 10,124 ( 0.00%) } . . fn check_block_post(&mut self, cx: &LateContext<'tcx>, _: &'tcx Block<'tcx>) { 4,948 ( 0.00%) if let Some(searcher) = self.searcher.take() { . searcher.display_err(cx); . } . } . } 1,951 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/visit.rs -------------------------------------------------------------------------------- Ir -- line 81 ---------------------------------------- . } . . impl<'a, V: Visitor<'a>, T: ?Sized> Visitable<'a, V> for Box . where . T: Visitable<'a, V>, . { . type Extra = T::Extra; . fn visit(&'a self, visitor: &mut V, extra: Self::Extra) -> V::Result { 25,137 ( 0.00%) (**self).visit(visitor, extra) . } . } . . impl<'a, V: Visitor<'a>, T> Visitable<'a, V> for Option . where . T: Visitable<'a, V>, . { . type Extra = T::Extra; . fn visit(&'a self, visitor: &mut V, extra: Self::Extra) -> V::Result { 210,507 ( 0.00%) if let Some(this) = self { . try_visit!(this.visit(visitor, extra)); . } . V::Result::output() . } . } . . impl<'a, V: Visitor<'a>, T> Visitable<'a, V> for Spanned . where -- line 107 ---------------------------------------- -- line 197 ---------------------------------------- . . pub(crate) trait Walkable<'a, V: Visitor<'a>> { . #[must_use] . fn walk_ref(&'a self, visitor: &mut V) -> V::Result; . } . . macro_rules! visit_visitable { . ($visitor:expr, $($expr:expr),* $(,)?) => {{ 72 ( 0.00%) $(try_visit!(Visitable::visit($expr, $visitor, ()));)* 426 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/ast.rs:>::walk_ref (9x) . }}; . } . . macro_rules! visit_visitable_with { . ($visitor:expr, $expr:expr, $extra:expr $(,)?) => { . try_visit!(Visitable::visit($expr, $visitor, $extra)) . }; . } . . macro_rules! walk_walkable { . ($visitor:expr, $expr:expr, ) => { 142,653 ( 0.00%) Walkable::walk_ref($expr, $visitor) 1,379,119 ( 0.03%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/visit.rs:>::walk_ref (418x) 198,428 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/visit.rs:>::walk_ref'2 (820x) . }; . } . . macro_rules! impl_visitable { . (|&$lt:lifetime $self:ident: $self_ty:ty, . $vis:ident: &mut $vis_ty:ident, . $extra:ident: $extra_ty:ty| $block:block) => { . #[allow(unused_parens, non_local_definitions)] -- line 225 ---------------------------------------- -- line 232 ---------------------------------------- . }; . } . . macro_rules! impl_walkable { . ($(<$K:ident: $Kb:ident>)? |&$lt:lifetime $self:ident: $self_ty:ty, . $vis:ident: &mut $vis_ty:ident| $block:block) => { . #[allow(unused_parens, non_local_definitions)] . impl<$($K: $Kb,)? $lt, $vis_ty: Visitor<$lt>> Walkable<$lt, $vis_ty> for $self_ty { 350,422 ( 0.01%) fn walk_ref(&$lt $self, $vis: &mut $vis_ty) -> V::Result { . $block 298,840 ( 0.01%) } . } . }; . } . . macro_rules! impl_visitable_noop { . (<$lt:lifetime> $($ty:ty,)*) => { . $( . impl_visitable!(|&$lt self: $ty, _vis: &mut V, _extra: ()| { -- line 250 ---------------------------------------- -- line 273 ---------------------------------------- . })* . }; . } . . macro_rules! impl_visitable_direct { . (<$lt:lifetime> $($ty:ty,)*) => { . $(impl_visitable!( . |&$lt self: $ty, visitor: &mut V, _extra: ()| { 4 ( 0.00%) Walkable::walk_ref(self, visitor) . } . );)* . }; . } . . macro_rules! impl_visitable_calling_walkable { . (<$lt:lifetime> . $( fn $method:ident($ty:ty $(, $extra_name:ident: $extra_ty:ty)?); )* . ) => { . $(fn $method(&mut self, node: &$lt $ty $(, $extra_name:$extra_ty)?) -> Self::Result { . impl_visitable!(|&$lt self: $ty, visitor: &mut V, extra: ($($extra_ty)?)| { . let ($($extra_name)?) = extra; 14,196 ( 0.00%) visitor.$method(self $(, $extra_name)?) 1,272,183 ( 0.02%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::visit_block (205x) . }); . walk_walkable!(self, node, ) . })* . }; . } . . macro_rules! define_named_walk { . ($Visitor:ident<$lt:lifetime> -- line 302 ---------------------------------------- -- line 655 ---------------------------------------- . // for `MutVisitor`: `Span` and `NodeId` are mutated at the caller site. . fn visit_fn( . &mut self, . fk: FnKind<$($lt)? $(${ignore($mut)} '_)?>, . _: &AttrVec, . _: Span, . _: NodeId, . ) -> Self::Result { 135 ( 0.00%) walk_fn(self, fk) 743 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/visit.rs:rustc_ast::visit::walk_fn:: (1x) . } . . // (non-mut) `Visitor`-only methods . $( . fn visit_stmt(&mut self, s: &$lt Stmt) -> Self::Result { 24,031 ( 0.00%) walk_stmt(self, s) 2,856,584 ( 0.05%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/visit.rs:rustc_ast::visit::walk_stmt::'2 (1,795x) . } . . fn visit_nested_use_tree(&mut self, use_tree: &$lt UseTree, id: NodeId) -> Self::Result { . try_visit!(self.visit_id(id)); . self.visit_use_tree(use_tree) . } . )? . -- line 677 ---------------------------------------- -- line 738 ---------------------------------------- . fn flat_map_where_predicate( . &mut self, . where_predicate: WherePredicate, . ) -> SmallVec<[WherePredicate; 1]> { . walk_flat_map_where_predicate(self, where_predicate) . } . . fn flat_map_pat_field(&mut self, fp: PatField) -> SmallVec<[PatField; 1]> { 116 ( 0.00%) walk_flat_map_pat_field(self, fp) 2,465 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_ast/src/mut_visit.rs:rustc_ast::mut_visit::walk_flat_map_pat_field:: (29x) . } . )? . } . . pub trait WalkItemKind { . type Ctxt; . fn walk<$($lt,)? V: $Visitor$(<$lt>)?>( . &$($lt)? $($mut)? self, -- line 754 ---------------------------------------- -- line 922 ---------------------------------------- . visit_visitable!($($mut)? vis, alias), . ForeignItemKind::MacCall(mac) => . visit_visitable!($($mut)? vis, mac), . } . V::Result::output() . } . } . 1,080 ( 0.00%) pub fn walk_fn<$($lt,)? V: $Visitor$(<$lt>)?>(vis: &mut V, kind: FnKind<$($lt)? $(${ignore($mut)} '_)?>) -> V::Result { 405 ( 0.00%) match kind { . FnKind::Fn( . _ctxt, . // Visibility is visited as a part of the item. . _vis, . Fn { defaultness, ident, sig, generics, contract, body, define_opaque, eii_impl }, . ) => { . let FnSig { header, decl, span } = sig; . visit_visitable!($($mut)? vis, . defaultness, ident, header, generics, decl, . contract, body, span, define_opaque, eii_impl . ); . } 135 ( 0.00%) FnKind::Closure(binder, coroutine_kind, decl, body) => . visit_visitable!($($mut)? vis, binder, coroutine_kind, decl, body), . } . V::Result::output() . } . . impl_walkable!(|&$($mut)? $($lt)? self: Impl, vis: &mut V| { . let Impl { generics, of_trait, self_ty, items, constness: _ } = self; . try_visit!(vis.visit_generics(generics)); -- line 952 ---------------------------------------- -- line 957 ---------------------------------------- . try_visit!(vis.visit_ty(self_ty)); . visit_visitable_with!($($mut)? vis, items, AssocCtxt::Impl { of_trait: of_trait.is_some() }); . V::Result::output() . }); . . // Special case to call `visit_method_receiver_expr`. . impl_walkable!(|&$($mut)? $($lt)? self: MethodCall, vis: &mut V| { . let MethodCall { seg, receiver, args, span } = self; 1,585 ( 0.00%) try_visit!(vis.visit_method_receiver_expr(receiver)); . visit_visitable!($($mut)? vis, seg, args, span); . V::Result::output() . }); . . impl_walkable!(|&$($mut)? $($lt)? self: Expr, vis: &mut V| { . let Expr { id, kind, span, attrs, tokens: _ } = self; . visit_visitable!($($mut)? vis, id, attrs); 245,995 ( 0.00%) match kind { . ExprKind::Array(exprs) => . visit_visitable!($($mut)? vis, exprs), . ExprKind::ConstBlock(anon_const) => . visit_visitable!($($mut)? vis, anon_const), . ExprKind::Repeat(element, count) => . visit_visitable!($($mut)? vis, element, count), . ExprKind::Struct(se) => . visit_visitable!($($mut)? vis, se), -- line 981 ---------------------------------------- -- line 994 ---------------------------------------- . ExprKind::Cast(subexpression, typ) | ExprKind::Type(subexpression, typ) => . visit_visitable!($($mut)? vis, subexpression, typ), . ExprKind::Let(pat, expr, span, _recovered) => . visit_visitable!($($mut)? vis, pat, expr, span), . ExprKind::If(head_expression, if_block, optional_else) => . visit_visitable!($($mut)? vis, head_expression, if_block, optional_else), . ExprKind::While(subexpression, block, opt_label) => . visit_visitable!($($mut)? vis, subexpression, block, opt_label), 64 ( 0.00%) ExprKind::ForLoop(ForLoop { pat, iter, body, label, kind }) => . visit_visitable!($($mut)? vis, pat, iter, body, label, kind), . ExprKind::Loop(block, opt_label, span) => . visit_visitable!($($mut)? vis, block, opt_label, span), . ExprKind::Match(subexpression, arms, kind) => . visit_visitable!($($mut)? vis, subexpression, arms, kind), . ExprKind::Closure(Closure { 135 ( 0.00%) binder, . capture_clause, 135 ( 0.00%) coroutine_kind, . constness, . movability, 135 ( 0.00%) fn_decl, 135 ( 0.00%) body, . fn_decl_span, . fn_arg_span, . }) => { . visit_visitable!($($mut)? vis, constness, movability, capture_clause); 540 ( 0.00%) let kind = FnKind::Closure(binder, coroutine_kind, fn_decl, body); . try_visit!(vis.visit_fn(kind, attrs, *span, *id)); . visit_visitable!($($mut)? vis, fn_decl_span, fn_arg_span); 135 ( 0.00%) } . ExprKind::Block(block, opt_label) => . visit_visitable!($($mut)? vis, block, opt_label), . ExprKind::Gen(capt, body, kind, decl_span) => . visit_visitable!($($mut)? vis, capt, body, kind, decl_span), . ExprKind::Await(expr, span) . | ExprKind::Move(expr, span) . | ExprKind::Use(expr, span) => . visit_visitable!($($mut)? vis, expr, span), -- line 1031 ---------------------------------------- -- line 1161 ---------------------------------------- . . fn $name<'a, V: Visitor<'a>>( . vis: &mut V, . values: &'a ThinVec<$Ty>, . $( . $param: $ParamTy, . )* . ) -> V::Result { 15,448 ( 0.00%) walk_list!(vis, $visit_fn, values$(,$param)*); 822,697 ( 0.02%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::visit_arm (345x) . V::Result::output() . } . )+ . } . } . . generate_list_visit_fns! { . visit_items, Box, visit_item; -- line 1177 ---------------------------------------- -- line 1184 ---------------------------------------- . visit_variants, Variant, visit_variant; . visit_assoc_items, Box, visit_assoc_item, ctxt: AssocCtxt; . visit_where_predicates, WherePredicate, visit_where_predicate; . visit_params, Param, visit_param; . visit_field_defs, FieldDef, visit_field_def; . visit_arms, Arm, visit_arm; . } . 92,952 ( 0.00%) pub fn walk_stmt<'a, V: Visitor<'a>>(visitor: &mut V, statement: &'a Stmt) -> V::Result { . let Stmt { id, kind, span: _ } = statement; . try_visit!(visitor.visit_id(*id)); 58,095 ( 0.00%) match kind { 20,480 ( 0.00%) StmtKind::Let(local) => try_visit!(visitor.visit_local(local)), 2,010,861 ( 0.04%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/non_expressive_names.rs:::visit_local (419x) . StmtKind::Item(item) => try_visit!(visitor.visit_item(item)), 9,506 ( 0.00%) StmtKind::Expr(expr) | StmtKind::Semi(expr) => try_visit!(visitor.visit_expr(expr)), . StmtKind::Empty => {} . StmtKind::MacCall(mac) => { . let MacCallStmt { mac, attrs, style: _, tokens: _ } = &**mac; . walk_list!(visitor, visit_attribute, attrs); . try_visit!(visitor.visit_mac_call(mac)); . } . } . V::Result::output() 520 ( 0.00%) } 141,520 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/needless_update.rs -------------------------------------------------------------------------------- Ir -- line 44 ---------------------------------------- . pub NEEDLESS_UPDATE, . complexity, . "using `Foo { ..base }` when there are no missing fields" . } . . declare_lint_pass!(NeedlessUpdate => [NEEDLESS_UPDATE]); . . impl<'tcx> LateLintPass<'tcx> for NeedlessUpdate { 260,225 ( 0.00%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,252 ( 0.00%) if let ExprKind::Struct(_, fields, StructTailExpr::Base(base)) = expr.kind { 6 ( 0.00%) let ty = cx.typeck_results().expr_ty(expr); 120 ( 0.00%) => ???:::expr_ty (3x) 6 ( 0.00%) if let ty::Adt(def, _) = ty.kind() 12 ( 0.00%) && fields.len() == def.non_enum_variant().fields.len() 24 ( 0.00%) => ???:::non_enum_variant (3x) . && !def.variant(0_usize.into()).is_field_list_non_exhaustive() . { . span_lint( . cx, . NEEDLESS_UPDATE, . base.span, . "struct update has no effect, all the fields in the struct have already been specified", . ); . } . } 312,270 ( 0.01%) } . } 12 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_is_ascii_check.rs -------------------------------------------------------------------------------- Ir -- line 85 ---------------------------------------- . /// 'A..=F' . UpperHexLetter, . /// '0..=9' | 'a..=f' | 'A..=F' . HexDigit, . Otherwise, . } . . impl<'tcx> LateLintPass<'tcx> for ManualIsAsciiCheck { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 158,500 ( 0.00%) if !matches!( 104,090 ( 0.00%) expr.kind, 2,028 ( 0.00%) ExprKind::Match(_, [_, ..], _) | ExprKind::MethodCall(_, _, [_], _) . ) { . return; . } . 5,761 ( 0.00%) if !self.msrv.meets(cx, msrvs::IS_ASCII_DIGIT) { 22,221 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (823x) . return; . } . 3,292 ( 0.00%) if is_in_const_context(cx) && !self.msrv.meets(cx, msrvs::IS_ASCII_DIGIT_CONST) { 223,050 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (823x) . return; . } . 6,629 ( 0.00%) let (arg, span, range) = if let ExprKind::Match(recv, [arm, ..], _) = expr.kind 3,039 ( 0.00%) && let Some(macro_call) = matching_root_macro_call(cx, expr.span, sym::matches_macro) 272,935 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::matching_root_macro_call (434x) . { 4 ( 0.00%) let recv = peel_ref_operators(cx, recv); 26 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::peel_ref_operators (1x) 2 ( 0.00%) let range = check_pat(&arm.pat.kind); 20 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_is_ascii_check.rs:clippy_lints::manual_is_ascii_check::check_pat (1x) . (recv, macro_call.span, range) 1,945 ( 0.00%) } else if let ExprKind::MethodCall(path, receiver, [arg], ..) = expr.kind 389 ( 0.00%) && path.ident.name == sym::contains 5 ( 0.00%) && let Some(higher::Range { . start: Some(start), . end: Some(end), . ty: range_ty, . span: _, 20 ( 0.00%) }) = higher::Range::hir(cx, receiver) 225 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (5x) . && let RangeLimits::Closed = range_ty.limits() . && !matches!(cx.typeck_results().expr_ty(arg).peel_refs().kind(), ty::Param(_)) . { . let arg = peel_ref_operators(cx, arg); . let range = check_expr_range(start, end); . (arg, expr.span, range) . } else { . return; . }; . 1 ( 0.00%) let ty_sugg = get_ty_sugg(cx, arg); . check_is_ascii(cx, span, arg, &range, ty_sugg); 416,360 ( 0.01%) } . } . . fn get_ty_sugg<'tcx>(cx: &LateContext<'tcx>, arg: &Expr<'_>) -> Option<(Span, Ty<'tcx>)> { . let local_hid = arg.res_local_id()?; . if let Node::Param(Param { ty_span, span, .. }) = cx.tcx.parent_hir_node(local_hid) . // `ty_span` and `span` are the same for inferred type, thus a type suggestion must be given . && ty_span == span . { -- line 143 ---------------------------------------- -- line 149 ---------------------------------------- . . fn check_is_ascii( . cx: &LateContext<'_>, . span: Span, . recv: &Expr<'_>, . range: &CharRange, . ty_sugg: Option<(Span, Ty<'_>)>, . ) { 5 ( 0.00%) let sugg = match range { . CharRange::UpperChar => "is_ascii_uppercase", . CharRange::LowerChar => "is_ascii_lowercase", . CharRange::FullChar => "is_ascii_alphabetic", . CharRange::Digit => "is_ascii_digit", . CharRange::HexDigit => "is_ascii_hexdigit", . CharRange::Otherwise | CharRange::LowerHexLetter | CharRange::UpperHexLetter => return, . }; . let mut app = Applicability::MachineApplicable; -- line 165 ---------------------------------------- -- line 175 ---------------------------------------- . span, . "manual check for common ascii range", . |diag| { . diag.multipart_suggestion("try", suggestion, app); . }, . ); . } . 5 ( 0.00%) fn check_pat(pat_kind: &PatKind<'_>) -> CharRange { 9 ( 0.00%) match pat_kind { . PatKind::Or(pats) => { . let ranges = pats.iter().map(|p| check_pat(&p.kind)).collect::>(); . . if ranges.len() == 2 && ranges.contains(&CharRange::UpperChar) && ranges.contains(&CharRange::LowerChar) { . CharRange::FullChar . } else if ranges.len() == 3 . && ranges.contains(&CharRange::Digit) . && ranges.contains(&CharRange::LowerHexLetter) -- line 192 ---------------------------------------- -- line 195 ---------------------------------------- . CharRange::HexDigit . } else { . CharRange::Otherwise . } . }, . PatKind::Range(Some(start), Some(end), RangeEnd::Included) => check_range(start, end), . _ => CharRange::Otherwise, . } 6 ( 0.00%) } . . fn check_expr_range(start: &Expr<'_>, end: &Expr<'_>) -> CharRange { . if let ExprKind::Lit(start_lit) = &start.kind . && let ExprKind::Lit(end_lit) = &end.kind . { . check_lit_range(start_lit, end_lit) . } else { . CharRange::Otherwise -- line 211 ---------------------------------------- 12 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_take.rs -------------------------------------------------------------------------------- Ir -- line 48 ---------------------------------------- . . impl ManualTake { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl LateLintPass<'_> for ManualTake { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { 105,461 ( 0.00%) if let ExprKind::If(cond, then, Some(otherwise)) = expr.kind 394 ( 0.00%) && let ExprKind::Path(_) = cond.kind 48 ( 0.00%) && let ExprKind::Block( . Block { 66 ( 0.00%) stmts: [stmt], . expr: Some(then_expr), . .. . }, . .., 4 ( 0.00%) ) = then.kind 10 ( 0.00%) && let ExprKind::Block( . Block { 12 ( 0.00%) stmts: [], . expr: Some(else_expr), . .. . }, . .., 2 ( 0.00%) ) = otherwise.kind 4 ( 0.00%) && let StmtKind::Semi(assignment) = stmt.kind . && let ExprKind::Assign(mut_c, possible_false, _) = assignment.kind . && let ExprKind::Path(_) = mut_c.kind . && let ctxt = expr.span.ctxt() . && !ctxt.in_external_macro(cx.sess().source_map()) . && let Some(std_or_core) = clippy_utils::std_or_core(cx) . && self.msrv.meets(cx, MEM_TAKE) . && SpanlessEq::new(cx).eq_expr(ctxt, cond, mut_c) . && Some(false) == as_const_bool(possible_false) -- line 83 ---------------------------------------- -- line 98 ---------------------------------------- . expr.span, . "use", . format!("{negate}{std_or_core}::mem::take(&mut {taken})"), . app, . ); . }, . ); . } 416,360 ( 0.01%) } . } . . fn as_const_bool(e: &Expr<'_>) -> Option { . if let ExprKind::Lit(lit) = e.kind . && let LitKind::Bool(b) = lit.node . { . Some(b) . } else { -- line 114 ---------------------------------------- 2 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_pop_if.rs -------------------------------------------------------------------------------- Ir -- line 63 ---------------------------------------- . msrv: Msrv, . binary_heap_pop_if_feature_enabled: bool, . } . . impl ManualPopIf { . pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { . Self { . msrv: conf.msrv.into(), 6 ( 0.00%) binary_heap_pop_if_feature_enabled: tcx.features().enabled(sym::binary_heap_pop_if), 30 ( 0.00%) => ???:::features (1x) 4 ( 0.00%) => ???:::enabled (1x) . } . } . . fn msrv_compatible(&self, cx: &LateContext<'_>, kind: ManualPopIfKind) -> bool { 748 ( 0.00%) match kind { . ManualPopIfKind::Vec => self.msrv.meets(cx, msrvs::VEC_POP_IF), . ManualPopIfKind::VecDequeBack => self.msrv.meets(cx, msrvs::VEC_DEQUE_POP_BACK_IF), . ManualPopIfKind::VecDequeFront => self.msrv.meets(cx, msrvs::VEC_DEQUE_POP_FRONT_IF), . ManualPopIfKind::BinaryHeap => self.binary_heap_pop_if_feature_enabled, . } . } . } . -- line 84 ---------------------------------------- -- line 112 ---------------------------------------- . fn pop_if_method(self) -> Symbol { . match self { . ManualPopIfKind::Vec | ManualPopIfKind::BinaryHeap => sym::pop_if, . ManualPopIfKind::VecDequeBack => sym::pop_back_if, . ManualPopIfKind::VecDequeFront => sym::pop_front_if, . } . } . 9 ( 0.00%) fn is_diag_item(self, cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 9 ( 0.00%) let ty = cx.typeck_results().expr_ty(expr).peel_refs(); 120 ( 0.00%) => ???:::expr_ty (3x) 18 ( 0.00%) match self { . ManualPopIfKind::Vec => ty.is_diag_item(cx, sym::Vec), . ManualPopIfKind::VecDequeBack | ManualPopIfKind::VecDequeFront => ty.is_diag_item(cx, sym::VecDeque), . ManualPopIfKind::BinaryHeap => ty.is_diag_item(cx, sym::BinaryHeap), . } . } . } . . impl fmt::Display for ManualPopIfKind { -- line 130 ---------------------------------------- -- line 199 ---------------------------------------- . cond: &'tcx Expr<'_>, . then_block: &'tcx Expr<'_>, . if_expr_span: Span, . kind: ManualPopIfKind, . ) -> Option> { . let peek_method = kind.peek_method(); . let pop_method = kind.pop_method(); . 1,764 ( 0.00%) if let ExprKind::MethodCall(path, receiver, [closure_arg], _) = cond.kind 12 ( 0.00%) && path.ident.name == sym::is_some_and . && let ExprKind::MethodCall(check_path, collection_expr, [], _) = receiver.kind . && check_path.ident.name == peek_method . && kind.is_diag_item(cx, collection_expr) . && let ExprKind::Closure(closure) = closure_arg.kind . && let body = cx.tcx.hir_body(closure.body) . && let Some((pop_collection, pop_span, suggestable)) = check_pop_unwrap(cx, then_block, pop_method) . && eq_expr_value(cx, if_expr_span.ctxt(), collection_expr, pop_collection) . && let Some(param) = body.params.first() -- line 216 ---------------------------------------- -- line 243 ---------------------------------------- . cond: &'tcx Expr<'_>, . then_block: &'tcx Expr<'_>, . if_expr_span: Span, . kind: ManualPopIfKind, . ) -> Option> { . let peek_method = kind.peek_method(); . let pop_method = kind.pop_method(); . 1,836 ( 0.00%) if let ExprKind::Let(let_expr) = cond.kind 3,596 ( 0.00%) && let PatKind::TupleStruct(qpath, [binding_pat], _) = let_expr.pat.kind . { 1,920 ( 0.00%) let res = cx.qpath_res(&qpath, let_expr.pat.hir_id); 7,360 ( 0.00%) => ???:::qpath_res (320x) . . if let Some(def_id) = res.opt_def_id() 1,280 ( 0.00%) && is_lang_item_or_ctor(cx, def_id, LangItem::OptionSome) 84,648 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lang_item_or_ctor (320x) 472 ( 0.00%) && let PatKind::Binding(_, binding_id, binding_name, _) = binding_pat.kind 932 ( 0.00%) && let ExprKind::MethodCall(path, collection_expr, [], _) = let_expr.init.kind 80 ( 0.00%) && path.ident.name == peek_method 11 ( 0.00%) && kind.is_diag_item(cx, collection_expr) 396 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_pop_if.rs:::is_diag_item (3x) . && let ExprKind::Block(block, _) = then_block.kind . { . // The inner if can be either a statement or a block expression 5 ( 0.00%) let inner_if = match (block.stmts, block.expr) { 2 ( 0.00%) ([stmt], _) => match stmt.kind { . StmtKind::Expr(expr) | StmtKind::Semi(expr) => expr, . _ => return None, . }, . ([], Some(expr)) => expr, . _ => return None, . }; . 6 ( 0.00%) if let ExprKind::If(inner_cond, inner_then, None) = inner_if.kind 5 ( 0.00%) && is_local_used(cx, inner_cond, binding_id) 10 ( 0.00%) && let Some((pop_collection, pop_span, suggestable)) = check_pop_unwrap(cx, inner_then, pop_method) 311 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_pop_if.rs:clippy_lints::manual_pop_if::check_pop_unwrap (1x) . && eq_expr_value(cx, if_expr_span.ctxt(), collection_expr, pop_collection) . { . return Some(ManualPopIfPattern { . kind, . collection_expr, . predicate: inner_cond, . param_name: binding_name.name, . if_span: if_expr_span, -- line 284 ---------------------------------------- -- line 307 ---------------------------------------- . cond: &'tcx Expr<'_>, . then_block: &'tcx Expr<'_>, . if_expr_span: Span, . kind: ManualPopIfKind, . ) -> Option> { . let peek_method = kind.peek_method(); . let pop_method = kind.pop_method(); . 1,536 ( 0.00%) if let ExprKind::Binary(op, left, right) = cond.kind 184 ( 0.00%) && op.node == rustc_ast::BinOpKind::And 80 ( 0.00%) && let ExprKind::Let(let_expr) = left.kind . && let PatKind::TupleStruct(qpath, [binding_pat], _) = let_expr.pat.kind . { . let res = cx.qpath_res(&qpath, let_expr.pat.hir_id); . . if let Some(def_id) = res.opt_def_id() . && is_lang_item_or_ctor(cx, def_id, LangItem::OptionSome) . && let PatKind::Binding(_, binding_id, binding_name, _) = binding_pat.kind . && let ExprKind::MethodCall(path, collection_expr, [], _) = let_expr.init.kind -- line 325 ---------------------------------------- -- line 355 ---------------------------------------- . cond: &'tcx Expr<'_>, . then_block: &'tcx Expr<'_>, . if_expr_span: Span, . kind: ManualPopIfKind, . ) -> Option> { . let peek_method = kind.peek_method(); . let pop_method = kind.pop_method(); . 1,764 ( 0.00%) if let ExprKind::MethodCall(unwrap_path, receiver, [default_arg], _) = cond.kind 12 ( 0.00%) && unwrap_path.ident.name == sym::unwrap_or . && matches!(default_arg.kind, ExprKind::Lit(lit) if matches!(lit.node, LitKind::Bool(false))) . && let ExprKind::MethodCall(map_path, map_receiver, [closure_arg], _) = receiver.kind . && map_path.ident.name == sym::map . && let ExprKind::MethodCall(check_path, collection_expr, [], _) = map_receiver.kind . && check_path.ident.name == peek_method . && kind.is_diag_item(cx, collection_expr) . && let ExprKind::Closure(closure) = closure_arg.kind . && let body = cx.tcx.hir_body(closure.body) -- line 372 ---------------------------------------- -- line 389 ---------------------------------------- . . None . } . . /// Checks for `collection.().unwrap()` or `collection.().expect(..)` . /// and returns the collection expression and the span of the pop+unwrap call. . /// If the pop+unwrap is the only statement in the block, the result is marked as . /// suggestable (we can provide an automatic fix). 9 ( 0.00%) fn check_pop_unwrap<'tcx>( . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'_>, . pop_method: Symbol, . ) -> Option<(&'tcx Expr<'tcx>, Span, bool)> { 2 ( 0.00%) let ExprKind::Block(block, _) = expr.kind else { . return None; . }; . 1 ( 0.00%) let as_pop_unwrap = |expr: &Expr<'tcx>| -> Option<(&'tcx Expr<'tcx>, Span)> { 16 ( 0.00%) if let ExprKind::MethodCall(unwrap_path, receiver, _, _) = expr.kind . && matches!( 2 ( 0.00%) unwrap_path.ident.name, 12 ( 0.00%) sym::unwrap | sym::unwrap_unchecked | sym::expect . ) . && let ExprKind::MethodCall(pop_path, collection_expr, [], _) = receiver.kind . && pop_path.ident.name == pop_method . { . Some((collection_expr, expr.span)) . } else { . None . } . }; . . // Peel through an `unsafe` block for `unwrap_unchecked`. . let peel_unsafe = |expr: &'tcx Expr<'tcx>| -> &'tcx Expr<'tcx> { 3 ( 0.00%) if let ExprKind::Block(block, _) = expr.kind . && block.rules == BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided) . && block.stmts.is_empty() . && let Some(inner) = block.expr . { . inner . } else { . expr . } . }; . . // Check for single statement with the pop unwrap (not in a macro or other expression) . // and that there are no comments or other text before or after the pop call. 2 ( 0.00%) if let [stmt] = block.stmts 1 ( 0.00%) && block.expr.is_none() 2 ( 0.00%) && let StmtKind::Semi(stmt_expr) | StmtKind::Expr(stmt_expr) = &stmt.kind 3 ( 0.00%) && !stmt_expr.span.from_expansion() . && let Some((collection_expr, span)) = as_pop_unwrap(peel_unsafe(stmt_expr)) . { . let span_before = block . .span . .with_lo(block.span.lo() + BytePos(1)) . .with_hi(stmt_expr.span.lo()); . let span_after = stmt.span.shrink_to_hi().with_hi(block.span.hi() - BytePos(1)); . let suggestable = !span_contains_non_whitespace(cx, span_before, false) . && !span_contains_non_whitespace(cx, span_after, false); . return Some((collection_expr, span, suggestable)); . } . . // Check if the pop unwrap is present at all . for_each_expr_without_closures(block, |expr| { 1 ( 0.00%) if let Some((collection_expr, span)) = as_pop_unwrap(expr) { . ControlFlow::Break((collection_expr, span, false)) . } else { . ControlFlow::Continue(()) . } . }) 9 ( 0.00%) } . . impl<'tcx> LateLintPass<'tcx> for ManualPopIf { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 105,419 ( 0.00%) let ExprKind::If(cond, then_block, None) = expr.kind else { . return; . }; . 935 ( 0.00%) let in_else_clause = is_else_clause(cx.tcx, expr); 26,572 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_else_clause (187x) . 4,862 ( 0.00%) for kind in [ . ManualPopIfKind::Vec, . ManualPopIfKind::VecDequeBack, . ManualPopIfKind::VecDequeFront, . ManualPopIfKind::BinaryHeap, . ] { . if let Some(mut pattern) = check_is_some_and_pattern(cx, cond, then_block, expr.span, kind) 1,280 ( 0.00%) .or_else(|| check_if_let_pattern(cx, cond, then_block, expr.span, kind)) . .or_else(|| check_let_chain_pattern(cx, cond, then_block, expr.span, kind)) . .or_else(|| check_map_unwrap_or_pattern(cx, cond, then_block, expr.span, kind)) . && self.msrv_compatible(cx, kind) . { . if in_else_clause { . pattern.suggestable = false; . } . . pattern.emit_lint(cx); . return; . } . } 416,360 ( 0.01%) } . } 2,837 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/misc_early/unneeded_wildcard_pattern.rs -------------------------------------------------------------------------------- Ir -- line 2 ---------------------------------------- . use rustc_ast::ast::{Pat, PatFieldsRest, PatKind}; . use rustc_errors::Applicability; . use rustc_lint::{EarlyContext, LintContext as _}; . use rustc_span::Span; . . use super::UNNEEDED_WILDCARD_PATTERN; . . pub(super) fn check(cx: &EarlyContext<'_>, pat: &Pat) { 42,142 ( 0.00%) if let PatKind::TupleStruct(_, _, ref patterns) | PatKind::Tuple(ref patterns) = pat.kind . && let Some(rest_index) = patterns.iter().position(Pat::is_rest) . { . if let Some((left_index, left_pat)) = patterns[..rest_index] . .iter() . .rev() . .take_while(|pat| matches!(pat.kind, PatKind::Wild)) . .enumerate() . .last() -- line 18 ---------------------------------------- -- line 29 ---------------------------------------- . && !pat.span.in_external_macro(cx.sess().source_map()) . { . span_lint( . cx, . patterns[rest_index].span.shrink_to_hi().to(right_pat.span), . right_index == 0, . ); . } 4,790 ( 0.00%) } else if let PatKind::Struct(_, _, patfields, rest) = &pat.kind . && let PatFieldsRest::Rest(rspan) = rest . && let Some((right_index, _right_pat)) = patfields . .iter() . .rev() 16 ( 0.00%) .take_while(|patfield| matches!(patfield.pat.kind, PatKind::Wild)) . .enumerate() . .last() . // Only run if `rest_pattern_accessible_field` is Allow, as they otherwise will contradict each other. . && cx.get_lint_level_spec(crate::rest_when_destructuring_struct::REST_PATTERN_ACCESSIBLE_FIELD).is_allow() . && !pat.span.in_external_macro(cx.sess().source_map()) . { . // Unlike the tuples above, structs have patfields rather than patterns, and separate out the . // `..` into a separate parameter. Also, the `..` can only be at the end of the pattern. -- line 50 ---------------------------------------- 224 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/dereference.rs -------------------------------------------------------------------------------- Ir -- line 146 ---------------------------------------- . . impl_lint_pass!(Dereferencing<'_> => [ . EXPLICIT_AUTO_DEREF, . EXPLICIT_DEREF_METHODS, . NEEDLESS_BORROW, . REF_BINDING_TO_REFERENCE, . ]); . 11 ( 0.00%) #[derive(Default)] . pub struct Dereferencing<'tcx> { . state: Option<(State, StateData<'tcx>)>, . . // While parsing a `deref` method call in ufcs form, the path to the function is itself an . // expression. This is to store the id of that expression so it can be skipped when . // `check_expr` is called for it. . skip_expr: Option, . -- line 162 ---------------------------------------- -- line 235 ---------------------------------------- . /// All the replacements which need to be made. . replacements: Vec<(Span, String)>, . /// The [`HirId`] that the lint should be emitted at. . hir_id: HirId, . } . . impl<'tcx> LateLintPass<'tcx> for Dereferencing<'tcx> { . #[expect(clippy::too_many_lines)] 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { . // Skip path expressions from deref calls. e.g. `Deref::deref(e)` 104,090 ( 0.00%) if Some(expr.hir_id) == self.skip_expr.take() { . return; . } . . if let Some(local) = expr.res_local_id() { . self.check_local_usage(cx, expr, local); . } . . // Stop processing sub expressions when a macro call is seen 104,090 ( 0.00%) if expr.span.from_expansion() { 83,816 ( 0.00%) if let Some((state, data)) = self.state.take() { 72 ( 0.00%) self.report(cx, expr, state, data, cx.typeck_results()); . } . return; . } . . let typeck = cx.typeck_results(); . let Some((kind, sub_expr, skip_expr)) = try_parse_ref_op(cx.tcx, typeck, expr) else { . // The whole chain of reference operations has been seen 20,408 ( 0.00%) if let Some((state, data)) = self.state.take() { 242 ( 0.00%) self.report(cx, expr, state, data, typeck); . } . return; . }; 568 ( 0.00%) self.skip_expr = skip_expr; . 1,136 ( 0.00%) if is_from_proc_macro(cx, expr) { . if let Some((state, data)) = self.state.take() { . self.report(cx, expr, state, data, cx.typeck_results()); . } . return; . } . 1,136 ( 0.00%) match (self.state.take(), kind) { . (None, kind) => { 2,272 ( 0.00%) let expr_ty = typeck.expr_ty(expr); 22,768 ( 0.00%) => ???:::expr_ty (568x) 2,840 ( 0.00%) let use_site = get_expr_use_site(cx.tcx, typeck, SyntaxContext::root(), expr); 174,464 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_expr_use_site (568x) 3,121 ( 0.00%) let adjusted_ty = use_site.adjustments.last().map_or(expr_ty, |a| a.target); . 6,248 ( 0.00%) match kind { 36 ( 0.00%) RefOp::Deref if use_site.same_ctxt => { 18 ( 0.00%) let use_node = use_site.use_node(cx); 463 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:::use_node (18x) 54 ( 0.00%) let sub_ty = typeck.expr_ty(sub_expr); 720 ( 0.00%) => ???:::expr_ty (18x) 108 ( 0.00%) if let ExprUseNode::FieldAccess(name) = use_node . && !use_site.moved_before_use . && !ty_contains_field(sub_ty, name.name) . { . self.state = Some(( . State::ExplicitDerefField { . name: name.name, . derefs_manually_drop: is_manually_drop(sub_ty), . }, . StateData { . first_expr: expr, . adjusted_ty, . }, . )); 18 ( 0.00%) } else if sub_ty.is_ref() . // Linting method receivers would require verifying that name lookup . // would resolve the same way. This is complicated by trait methods. . && !use_node.is_recv() 54 ( 0.00%) && let Some(ty) = use_node.defined_ty(cx) 1,087 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:::defined_ty (18x) 6 ( 0.00%) && TyCoercionStability::for_defined_ty(cx, ty, use_node.is_return()).is_deref_stable() 156 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/dereference.rs:::for_defined_ty (3x) . { . self.state = Some(( . State::ExplicitDeref { mutability: None }, . StateData { . first_expr: expr, . adjusted_ty, . }, . )); -- line 315 ---------------------------------------- -- line 328 ---------------------------------------- . mutbl, . }, . StateData { . first_expr: expr, . adjusted_ty, . }, . )); . }, 1,100 ( 0.00%) RefOp::AddrOf(mutability) if use_site.same_ctxt => { . // Find the number of times the borrow is auto-derefed. . let mut iter = use_site.adjustments.iter(); . let mut deref_count = 0usize; . let next_adjust = loop { . match iter.next() { . Some(adjust) => { 2,529 ( 0.00%) if !matches!(adjust.kind, Adjust::Deref(_)) { . break Some(adjust); 562 ( 0.00%) } else if !adjust.target.is_ref() { . deref_count += 1; . break iter.next(); . } . deref_count += 1; . }, . None => break None, . } . }; . 3,054 ( 0.00%) let use_node = use_site.use_node(cx); 19,863 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:::use_node (509x) 2,036 ( 0.00%) let stability = use_node.defined_ty(cx).map_or(TyCoercionStability::None, |ty| { 72,306 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:::defined_ty (509x) 712 ( 0.00%) TyCoercionStability::for_defined_ty(cx, ty, use_node.is_return()) 281,986 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/dereference.rs:::for_defined_ty (356x) . }); 6,899 ( 0.00%) let can_auto_borrow = match use_node { . ExprUseNode::FieldAccess(_) . if !use_site.moved_before_use && matches!(sub_expr.kind, ExprKind::Field(..)) => . { . // `DerefMut` will not be automatically applied to `ManuallyDrop<_>` . // field expressions when the base type is a union and the parent . // expression is also a field access. . // . // e.g. `&mut x.y.z` where `x` is a union, and accessing `z` requires a -- line 367 ---------------------------------------- -- line 467 ---------------------------------------- . // // Removing the borrow will cause `x` to be moved . // Some(x) => &mut *x, . // None => y . // }; . // } . // ``` . let (required_refs, msg) = if can_auto_borrow { . (1, if deref_count == 1 { borrow_msg } else { deref_msg }) 1,680 ( 0.00%) } else if let Some(&Adjustment { . kind: Adjust::Borrow(AutoBorrow::Ref(mutability)), . .. 509 ( 0.00%) }) = next_adjust 1,624 ( 0.00%) && matches!(mutability, AutoBorrowMutability::Mut { .. }) . && !stability.is_reborrow_stable() . { . (3, deref_msg) . } else { . (2, deref_msg) . }; . 1,018 ( 0.00%) if deref_count >= required_refs { . self.state = Some(( . State::DerefedBorrow(DerefedBorrow { . // One of the required refs is for the current borrow expression, the remaining ones . // can't be removed without breaking the code. See earlier comment. . count: deref_count - required_refs, . msg, . stability, . for_field_access: if let ExprUseNode::FieldAccess(name) = use_node -- line 495 ---------------------------------------- -- line 500 ---------------------------------------- . None . }, . }), . StateData { . first_expr: expr, . adjusted_ty, . }, . )); 509 ( 0.00%) } else if stability.is_deref_stable() . // Auto-deref doesn't combine with other adjustments 2,056 ( 0.00%) && next_adjust.is_none_or(|a| matches!(a.kind, Adjust::Deref(_) | Adjust::Borrow(_))) . && iter.all(|a| matches!(a.kind, Adjust::Deref(_) | Adjust::Borrow(_))) . { 762 ( 0.00%) self.state = Some(( . State::Borrow { mutability }, . StateData { . first_expr: expr, . adjusted_ty, . }, . )); . } . }, -- line 521 ---------------------------------------- -- line 642 ---------------------------------------- . derefs_manually_drop: derefs_manually_drop || is_manually_drop(sub_expr_ty), . }, . data, . )); . }, . . (Some((state, data)), _) => self.report(cx, expr, state, data, typeck), . } 416,360 ( 0.01%) } . 37,058 ( 0.00%) fn check_pat(&mut self, cx: &LateContext<'tcx>, pat: &'tcx Pat<'_>) { 21,466 ( 0.00%) if let PatKind::Binding(BindingMode::REF, id, name, _) = pat.kind { . if let Some(opt_prev_pat) = self.ref_locals.get_mut(&id) { . // This binding id has been seen before. Add this pattern to the list of changes. . if let Some(prev_pat) = opt_prev_pat { . if pat.span.from_expansion() { . // Doesn't match the context of the previous pattern. Can't lint here. . *opt_prev_pat = None; . } else { . prev_pat.spans.push(pat.span); -- line 661 ---------------------------------------- -- line 685 ---------------------------------------- . spans: vec![pat.span], . app, . replacements: vec![(pat.span, snip.into())], . hir_id: pat.hir_id, . }), . ); . } . } 42,352 ( 0.00%) } . 3,220 ( 0.00%) fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &Body<'_>) { . if Some(body.id()) == self.current_body { . for pat in self.ref_locals.drain(..).filter_map(|(_, x)| x) { . let replacements = pat.replacements; . let app = pat.app; . let lint = if pat.always_deref { . NEEDLESS_BORROW . } else { . REF_BINDING_TO_REFERENCE -- line 703 ---------------------------------------- -- line 710 ---------------------------------------- . "this pattern creates a reference to a reference", . |diag| { . diag.multipart_suggestion("try", replacements, app); . }, . ); . } . self.current_body = None; . } 3,680 ( 0.00%) } . . fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) { . // Only check for `impl Deref(Mut)`s if we're not already in one 1,282 ( 0.00%) if !self.in_deref_impl() && is_deref_or_derefmut_impl(cx, item) { . self.outermost_deref_impl = Some(item.owner_id); . } . } . . fn check_item_post(&mut self, _cx: &LateContext<'_>, item: &Item<'_>) { . // Only clear `self.outermost_deref_impl` if we're escaping the _outermost_ `impl Deref(Mut)` . if self.outermost_deref_impl == Some(item.owner_id) { . self.outermost_deref_impl = None; . } . } . } . . fn is_deref_or_derefmut_impl(cx: &LateContext<'_>, item: &Item<'_>) -> bool { 2,392 ( 0.00%) if let hir::ItemKind::Impl(impl_) = item.kind . && let Some(of_trait) = impl_.of_trait 129 ( 0.00%) && let Some(trait_id) = of_trait.trait_ref.trait_def_id() 559 ( 0.00%) => ???:::trait_def_id (43x) . { 172 ( 0.00%) cx.tcx.lang_items().deref_trait() == Some(trait_id) || cx.tcx.lang_items().deref_mut_trait() == Some(trait_id) 2,580 ( 0.00%) => ???:::lang_items (86x) . } else { . false . } . } . . fn try_parse_ref_op<'tcx>( . tcx: TyCtxt<'tcx>, . typeck: &'tcx TypeckResults<'_>, . expr: &'tcx Expr<'_>, . ) -> Option<(RefOp, &'tcx Expr<'tcx>, Option)> { 64,399 ( 0.00%) let (call_path_id, def_id, arg) = match expr.kind { 11,406 ( 0.00%) ExprKind::MethodCall(_, arg, [], _) => (None, typeck.type_dependent_def_id(expr.hir_id)?, arg), 44,038 ( 0.00%) => ???:::type_dependent_def_id (862x) . ExprKind::Call( . &Expr { 274 ( 0.00%) kind: ExprKind::Path(QPath::Resolved(None, path)), 267 ( 0.00%) hir_id, . .. . }, 1,647 ( 0.00%) [arg], . ) => (Some(hir_id), path.res.opt_def_id()?, arg), 162 ( 0.00%) ExprKind::Unary(UnOp::Deref, sub_expr) if !typeck.expr_ty(sub_expr).is_raw_ptr() => { 720 ( 0.00%) => ???:::expr_ty (18x) . return Some((RefOp::Deref, sub_expr, None)); . }, . ExprKind::AddrOf(BorrowKind::Ref, mutability, sub_expr) => { 2,750 ( 0.00%) return Some((RefOp::AddrOf(mutability), sub_expr, None)); . }, . _ => return None, . }; 10,161 ( 0.00%) let mutbl = match tcx.get_diagnostic_name(def_id) { 63,355 ( 0.00%) => ???:::get_diagnostic_name (1,129x) . Some(sym::deref_method) => Mutability::Not, . Some(sym::deref_mut_method) => Mutability::Mut, . _ => return None, . }; . Some(( . RefOp::Method { . mutbl, . is_ufcs: call_path_id.is_some(), -- line 777 ---------------------------------------- -- line 821 ---------------------------------------- . #[derive(Clone, Copy, Debug)] . enum TyCoercionStability { . Deref, . Reborrow, . None, . } . impl TyCoercionStability { . fn is_deref_stable(self) -> bool { 1,021 ( 0.00%) matches!(self, Self::Deref) . } . . fn is_reborrow_stable(self) -> bool { . matches!(self, Self::Deref | Self::Reborrow) . } . 2,154 ( 0.00%) fn for_defined_ty<'tcx>(cx: &LateContext<'tcx>, ty: DefinedTy<'tcx>, for_return: bool) -> Self { 1,077 ( 0.00%) match ty { 3 ( 0.00%) DefinedTy::Hir(ty) => Self::for_hir_ty(ty), 973 ( 0.00%) DefinedTy::Mir { def_site_def_id, ty } => Self::for_mir_ty( . cx.tcx, . def_site_def_id, 1,068 ( 0.00%) cx.tcx.instantiate_bound_regions_with_erased(ty), 243,940 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/fold.rs:::instantiate_bound_regions_with_erased:: (356x) . for_return, . ), . } 2,513 ( 0.00%) } . . // Checks the stability of type coercions when assigned to a binding with the given explicit type. . // . // e.g. . // let x = Box::new(Box::new(0u32)); . // let y1: &Box<_> = x.deref(); . // let y2: &Box<_> = &x; . // . // Here `y1` and `y2` would resolve to different types, so the type `&Box<_>` is not stable when . // switching to auto-dereferencing. . fn for_hir_ty<'tcx>(ty: &'tcx hir::Ty<'tcx>) -> Self { 6 ( 0.00%) let TyKind::Ref(_, ty) = &ty.kind else { . return Self::None; . }; . let mut ty = ty; . . loop { 19 ( 0.00%) break match ty.ty.kind { . TyKind::Ref(_, ref ref_ty) => { . ty = ref_ty; . continue; . }, 2 ( 0.00%) TyKind::Path( . QPath::TypeRelative(_, path) . | QPath::Resolved( . _, . Path { 16 ( 0.00%) segments: [.., path], .. . }, . ), . ) => { 6 ( 0.00%) if let Some(args) = path.args 20 ( 0.00%) && args.args.iter().any(|arg| match arg { 68 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs: as core::iter::traits::iterator::Iterator>::any::<::for_hir_ty::{closure#0}> (2x) . hir::GenericArg::Infer(_) => true, . hir::GenericArg::Type(ty) => ty_contains_infer(ty.as_unambig_ty()), . _ => false, . }) . { . Self::Reborrow . } else { . Self::Deref -- line 887 ---------------------------------------- -- line 907 ---------------------------------------- . Self::for_hir_ty(ty) . }, . TyKind::UnsafeBinder(..) => Self::None, . }; . } . } . . fn for_mir_ty<'tcx>(tcx: TyCtxt<'tcx>, def_site_def_id: Option, ty: Ty<'tcx>, for_return: bool) -> Self { 712 ( 0.00%) let ty::Ref(_, mut ty, _) = *ty.kind() else { . return Self::None; . }; . 522 ( 0.00%) if let Some(def_id) = def_site_def_id { 1,016 ( 0.00%) let typing_env = ty::TypingEnv::non_body_analysis(tcx, def_id); 18,130 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/mod.rs:::non_body_analysis:: (254x) . ty = tcx . .try_normalize_erasing_regions(typing_env, Unnormalized::new_wip(ty)) . .unwrap_or(ty); . } . loop { 1,305 ( 0.00%) break match *ty.kind() { . ty::Ref(_, ref_ty, _) => { . ty = ref_ty; . continue; . }, 15 ( 0.00%) ty::Param(_) if for_return => Self::Deref, . ty::Alias( . _, . ty::AliasTy { . kind: ty::Free { .. } | ty::Inherent { .. }, . .. . }, . ) => unreachable!("should have been normalized away above"), . ty::Alias( -- line 939 ---------------------------------------- -- line 952 ---------------------------------------- . kind: ty::Opaque { .. }, . .. . }, . ) . | ty::Placeholder(_) . | ty::Dynamic(..) . | ty::Param(_) => Self::Reborrow, . ty::Adt(_, args) 663 ( 0.00%) if ty.has_placeholders() . || ty.has_opaque_types() 864 ( 0.00%) || (!for_return && args.has_non_region_param()) => . { . Self::Reborrow . }, . ty::Bool . | ty::Char . | ty::Int(_) . | ty::Uint(_) . | ty::Array(..) -- line 970 ---------------------------------------- -- line 1030 ---------------------------------------- . } . . impl<'tcx> Dereferencing<'tcx> { . fn in_deref_impl(&self) -> bool { . self.outermost_deref_impl.is_some() . } . . fn check_local_usage(&mut self, cx: &LateContext<'tcx>, e: &Expr<'tcx>, local: HirId) { 51,048 ( 0.00%) if let Some(outer_pat) = self.ref_locals.get_mut(&local) 153,144 ( 0.00%) => /rust/deps/indexmap-2.14.0/src/map.rs:>::get_mut:: (12,762x) . && let Some(pat) = outer_pat . // Check for auto-deref . && !matches!( . cx.typeck_results().expr_adjustments(e), . [ . Adjustment { . kind: Adjust::Deref(_), . .. -- line 1046 ---------------------------------------- -- line 1089 ---------------------------------------- . // binding, but not if the identifier was created in a macro. e.g. `concat_idents` and proc . // macros . _ => *outer_pat = None, . } . } . } . . #[expect(clippy::needless_pass_by_value, clippy::too_many_lines)] 2,540 ( 0.00%) fn report( . &self, . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'_>, . state: State, . data: StateData<'tcx>, . typeck: &'tcx TypeckResults<'tcx>, . ) { 2,032 ( 0.00%) match state { . State::DerefMethod { . ty_changed_count, . is_ufcs, . mutbl, . } => { . if self.in_deref_impl() { . // `deref(_mut)` is fine in an `impl Deref(Mut)` . return; -- line 1113 ---------------------------------------- -- line 1293 ---------------------------------------- . snip.into_owned() . }; . diag.span_suggestion(data.first_expr.span, "try", sugg, app); . }, . ); . }, . State::Borrow { .. } | State::Reborrow { .. } => (), . } 2,032 ( 0.00%) } . } 43,063 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/matches/mod.rs -------------------------------------------------------------------------------- Ir -- line 1048 ---------------------------------------- . msrv: conf.msrv.into(), . infallible_destructuring_match_linted: false, . } . } . } . . impl<'tcx> LateLintPass<'tcx> for Matches { . #[expect(clippy::too_many_lines)] 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { . let from_expansion = expr.span.from_expansion(); . 159,173 ( 0.00%) if let ExprKind::Match(ex, arms, source) = expr.kind { 3,208 ( 0.00%) if is_direct_expn_of(expr.span, sym::matches).is_some() 31,005 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_direct_expn_of (434x) . && let [arm, _] = arms . { 8 ( 0.00%) redundant_pattern_match::check_match(cx, expr, ex, arms); 38 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/redundant_pattern_match.rs:clippy_lints::matches::redundant_pattern_match::check_match (1x) 1 ( 0.00%) redundant_pattern_match::check_matches_true(cx, expr, arm, ex); . } 2,604 ( 0.00%) if expr.span.in_external_macro(cx.tcx.sess.source_map()) { . return; . } . 693 ( 0.00%) if source == MatchSource::Normal && !is_span_match(cx, expr.span) { . return; . } 3,530 ( 0.00%) if matches!(source, MatchSource::Normal | MatchSource::ForLoopDesugar) { 2,086 ( 0.00%) significant_drop_in_scrutinee::check_match(cx, expr, ex, arms, source); 322,332 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs:clippy_lints::matches::significant_drop_in_scrutinee::check_match (298x) . } . 2,118 ( 0.00%) collapsible_match::check_match(cx, ex, arms, self.msrv); 71,571 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/collapsible_match.rs:clippy_lints::matches::collapsible_match::check_match (353x) 706 ( 0.00%) if !from_expansion { . // These don't depend on a relationship between multiple arms 1,125 ( 0.00%) match_wild_err_arm::check(cx, ex, arms); 111,170 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_wild_err_arm.rs:clippy_lints::matches::match_wild_err_arm::check (225x) 1,125 ( 0.00%) wild_in_or_pats::check(cx, ex, arms); 297,766 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/wild_in_or_pats.rs:clippy_lints::matches::wild_in_or_pats::check (225x) . } . 1,059 ( 0.00%) if let MatchSource::TryDesugar(_) = source { 165 ( 0.00%) try_err::check(cx, expr, ex); 8,778 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/try_err.rs:clippy_lints::matches::try_err::check (55x) . } . . if !from_expansion 225 ( 0.00%) && let mut has_cfg = false 225 ( 0.00%) && let mut has_comments = false 6,854 ( 0.00%) && walk_intra_arm_text(cx, expr.span, ex.span, arms, |s| { 6,211 ( 0.00%) let mut iter = tokenize_with_text(s).filter(|(t, ..)| match t { . TokenKind::Whitespace => false, . TokenKind::LineComment { .. } | TokenKind::BlockComment { .. } => { 19 ( 0.00%) has_comments = true; . false . }, . _ => true, . }); . while let Some((t, ..)) = iter.next() { . if matches!(t, TokenKind::Pound) . && matches!(iter.next(), Some((TokenKind::OpenBracket, ..))) . && matches!(iter.next(), Some((TokenKind::Ident, "cfg", _))) . { . has_cfg = true; . } . } 5,288 ( 0.00%) }) . && !has_cfg . { 170 ( 0.00%) if source == MatchSource::Normal { 1,190 ( 0.00%) let is_match_like_matches = self.msrv.meets(cx, msrvs::MATCHES_MACRO) 4,590 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (170x) 850 ( 0.00%) && match_like_matches::check_match(cx, expr, ex, arms); 3,396,046 ( 0.06%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_like_matches.rs:clippy_lints::matches::match_like_matches::check_match (170x) . // Even when the lint is allowed on the match expression, an arm can carry its . // own `#[expect]`/`#[warn]` attribute, which `match_same_arms::check` handles . // at arm granularity. Only skip the check when no arm has attributes. 340 ( 0.00%) if !(is_match_like_matches 1,190 ( 0.00%) || (is_lint_allowed(cx, MATCH_SAME_ARMS, expr.hir_id) 170,727 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed (170x) 491 ( 0.00%) && arms.iter().all(|arm| cx.tcx.hir_attrs(arm.hir_id).is_empty()))) 27,237 ( 0.00%) => ???:::hir_attrs (491x) . { . match_same_arms::check(cx, arms); . } . 1,360 ( 0.00%) redundant_pattern_match::check_match(cx, expr, ex, arms); 7,464 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/redundant_pattern_match.rs:clippy_lints::matches::redundant_pattern_match::check_match (170x) 1,190 ( 0.00%) single_match::check(cx, ex, arms, expr, has_comments); 298,710 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/single_match.rs:clippy_lints::matches::single_match::check (170x) 1,020 ( 0.00%) match_bool::check(cx, ex, arms, expr); 12,762 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_bool.rs:clippy_lints::matches::match_bool::check (170x) 850 ( 0.00%) overlapping_arms::check(cx, ex, arms); 12,252 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/overlapping_arms.rs:clippy_lints::matches::overlapping_arms::check (170x) 850 ( 0.00%) match_wild_enum::check(cx, ex, arms); 149,634 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_wild_enum.rs:clippy_lints::matches::match_wild_enum::check (170x) 1,020 ( 0.00%) match_as_ref::check(cx, ex, arms, expr); 17,912 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_as_ref.rs:clippy_lints::matches::match_as_ref::check (170x) 1,020 ( 0.00%) needless_match::check_match(cx, ex, arms, expr); 77,776 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/needless_match.rs:clippy_lints::matches::needless_match::check_match (170x) 850 ( 0.00%) match_str_case_mismatch::check(cx, ex, arms); 11,284 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_str_case_mismatch.rs:clippy_lints::matches::match_str_case_mismatch::check (170x) 850 ( 0.00%) redundant_guards::check(cx, arms, self.msrv); 11,735 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/redundant_guards.rs:clippy_lints::matches::redundant_guards::check (170x) . 680 ( 0.00%) if !is_in_const_context(cx) { 46,177 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (170x) 1,190 ( 0.00%) manual_unwrap_or::check_match(cx, expr, ex, arms); 43,129 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/manual_unwrap_or.rs:clippy_lints::matches::manual_unwrap_or::check_match (170x) 1,020 ( 0.00%) manual_map::check_match(cx, expr, ex, arms); 27,175 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/manual_map.rs:clippy_lints::matches::manual_map::check_match (170x) 1,020 ( 0.00%) manual_filter::check_match(cx, ex, arms, expr); 18,994 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/manual_filter.rs:clippy_lints::matches::manual_filter::check_match (170x) 1,190 ( 0.00%) manual_ok_err::check_match(cx, expr, ex, arms); 17,750 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/manual_ok_err.rs:clippy_lints::matches::manual_ok_err::check_match (170x) . } . 340 ( 0.00%) if self.infallible_destructuring_match_linted { . self.infallible_destructuring_match_linted = false; . } else { 1,020 ( 0.00%) match_single_binding::check(cx, ex, arms, expr); 5,270 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_single_binding.rs:clippy_lints::matches::match_single_binding::check (170x) . } . } . match_ref_pats::check(cx, ex, arms.iter().map(|el| el.pat), expr); . } 310,284 ( 0.01%) } else if let Some(if_let) = higher::IfLet::hir(cx, expr) { 281,065 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (51,611x) 515 ( 0.00%) if expr.span.in_external_macro(cx.tcx.sess.source_map()) { . return; . } . collapsible_match::check_if_let( . cx, 412 ( 0.00%) if_let.let_span.ctxt(), 103 ( 0.00%) if_let.let_pat, 103 ( 0.00%) if_let.if_then, 103 ( 0.00%) if_let.if_else, 103 ( 0.00%) if_let.let_expr, 103 ( 0.00%) self.msrv, . ); . significant_drop_in_scrutinee::check_if_let(cx, expr, if_let.let_expr, if_let.if_then, if_let.if_else); 309 ( 0.00%) if !from_expansion { 206 ( 0.00%) if let Some(else_expr) = if_let.if_else { 144 ( 0.00%) if self.msrv.meets(cx, msrvs::MATCHES_MACRO) { 486 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (18x) 126 ( 0.00%) match_like_matches::check_if_let( 522,797 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/match_like_matches.rs:clippy_lints::matches::match_like_matches::check_if_let (18x) . cx, . expr, . if_let.let_pat, . if_let.let_expr, . if_let.if_then, . else_expr, . ); . } 108 ( 0.00%) if !is_in_const_context(cx) { 4,876 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (18x) . manual_unwrap_or::check_if_let( . cx, . expr, . if_let.let_pat, . if_let.let_expr, . if_let.if_then, . else_expr, . ); -- line 1183 ---------------------------------------- -- line 1185 ---------------------------------------- . manual_filter::check_if_let( . cx, . expr, . if_let.let_pat, . if_let.let_expr, . if_let.if_then, . else_expr, . ); 180 ( 0.00%) manual_ok_err::check_if_let( 1,410 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/manual_ok_err.rs:clippy_lints::matches::manual_ok_err::check_if_let (18x) . cx, . expr, . if_let.let_pat, . if_let.let_expr, . if_let.if_then, . else_expr, . ); . } -- line 1201 ---------------------------------------- -- line 1203 ---------------------------------------- . redundant_pattern_match::check_if_let( . cx, . expr, . if_let.let_pat, . if_let.let_expr, . if_let.if_else.is_some(), . if_let.let_span, . ); 309 ( 0.00%) needless_match::check_if_let(cx, expr, &if_let); 75,855 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/needless_match.rs:clippy_lints::matches::needless_match::check_if_let (103x) . } . } else { 257,540 ( 0.00%) if expr.span.in_external_macro(cx.tcx.sess.source_map()) { . return; . } . if let Some(while_let) = higher::WhileLet::hir(expr) { 12 ( 0.00%) significant_drop_in_scrutinee::check_while_let(cx, expr, while_let.let_expr, while_let.if_then); 4,921 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs:clippy_lints::matches::significant_drop_in_scrutinee::check_while_let (4x) . } 138 ( 0.00%) if !from_expansion { . redundant_pattern_match::check(cx, expr); . } . } 416,360 ( 0.01%) } . . fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx LetStmt<'_>) { 2,152 ( 0.00%) self.infallible_destructuring_match_linted |= 8,608 ( 0.00%) local.els.is_none() && infallible_destructuring_match::check(cx, local); 61,012 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/infallible_destructuring_match.rs:clippy_lints::matches::infallible_destructuring_match::check (2,152x) . } . . fn check_pat(&mut self, cx: &LateContext<'tcx>, pat: &'tcx Pat<'_>) { 15,882 ( 0.00%) rest_pat_in_fully_bound_struct::check(cx, pat); 144,781 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs:clippy_lints::matches::rest_pat_in_fully_bound_struct::check (5,294x) . } . } . . /// Calls the given function for each segment of the source text within the . /// match block which is not part of any arm. For the purposes of this function . /// attributes on an arm are not considered part of the arm. . /// . /// This will return whether all the relevant source text could be retrieved. If -- line 1240 ---------------------------------------- -- line 1243 ---------------------------------------- . #[must_use] . fn walk_intra_arm_text( . cx: &LateContext<'_>, . match_sp: Span, . scrutinee_sp: Span, . arms: &[Arm<'_>], . mut f: impl FnMut(&str), . ) -> bool { 1,350 ( 0.00%) if let Some(src) = match_sp.get_source_range(cx) 450 ( 0.00%) && let scrutinee_sp = scrutinee_sp.source_callsite().data() 11,350 ( 0.00%) => ???:::source_callsite (225x) . && let block_start = (scrutinee_sp.hi.0 - src.sf.start_pos.0) as usize . && let Some(src_text) = src.sf.src.as_ref().map(|x| &***x) 225 ( 0.00%) && let Some(block_text) = src_text.get(block_start..src.range.end) 450 ( 0.00%) && let Some(stripped_text) = block_text.trim_start_matches(is_whitespace).strip_prefix('{') 8,430 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs:::trim_start_matches:: (225x) . && let arms_start = block_start + (block_text.len() - stripped_text.len()) . && let Some(arms_end) = stripped_text 510 ( 0.00%) .trim_end_matches(|c| is_whitespace(c) || c == ')') 4,420 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs:::trim_end_matches::::check_expr::{closure#0}>::{closure#1}> (170x) . .strip_suffix('}') 340 ( 0.00%) .map(|s| src.range.end - (stripped_text.len() - s.len())) . && let Some(range) = arms.iter().try_fold(arms_start..arms_end, |range, arm| { 491 ( 0.00%) let arm_sp: rustc_span::SpanData = arm.span.source_callsite().data(); 12,766 ( 0.00%) => ???:::source_callsite (491x) 1,473 ( 0.00%) let arm_range = (arm_sp.lo.0 - src.sf.start_pos.0) as usize..(arm_sp.hi.0 - src.sf.start_pos.0) as usize; 2,946 ( 0.00%) if range.start <= arm_range.start . && arm_range.end <= range.end . && let Some(src) = src_text.get(range.start..arm_range.start) . { 1,964 ( 0.00%) f(src); 224,260 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/matches/mod.rs:::check_expr::{closure#0} (491x) . Some(arm_range.end..range.end) . } else { . None . } . }) . && let Some(src) = src_text.get(range) . { 170 ( 0.00%) f(src); 54,916 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/matches/mod.rs:::check_expr::{closure#0} (170x) . true . } else { . false . } . } . . /// Checks if `pat` contains OR patterns that cannot be nested due to a too low MSRV. . fn pat_contains_disallowed_or(cx: &LateContext<'_>, pat: &Pat<'_>, msrv: Msrv) -> bool { -- line 1285 ---------------------------------------- 15,277 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/swap.rs -------------------------------------------------------------------------------- Ir -- line 72 ---------------------------------------- . pub MANUAL_SWAP, . complexity, . "manual swap of two variables" . } . . declare_lint_pass!(Swap => [ALMOST_SWAPPED, MANUAL_SWAP]); . . impl<'tcx> LateLintPass<'tcx> for Swap { 24,740 ( 0.00%) fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx Block<'_>) { . check_manual_swap(cx, block); . check_suspicious_swap(cx, block); . check_xor_swap(cx, block); 19,792 ( 0.00%) } . } . . #[expect(clippy::too_many_arguments)] . fn generate_swap_warning<'tcx>( . block: &'tcx Block<'tcx>, . cx: &LateContext<'tcx>, . e1: &'tcx Expr<'tcx>, . e2: &'tcx Expr<'tcx>, -- line 92 ---------------------------------------- -- line 163 ---------------------------------------- . diag.note(format!("or maybe you should use `{sugg}::mem::replace`?")); . } . }, . ); . } . . /// Implementation of the `MANUAL_SWAP` lint. . fn check_manual_swap<'tcx>(cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) { 7,422 ( 0.00%) if is_in_const_context(cx) { 671,927 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (2,474x) . return; . } . . for [s1, s2, s3] in block.stmts.array_windows::<3>() { 20,377 ( 0.00%) if let StmtKind::Let(tmp) = s1.kind . // let t = foo(); 3,795 ( 0.00%) && let Some(tmp_init) = tmp.init 6,122 ( 0.00%) && let PatKind::Binding(.., ident, None) = tmp.pat.kind . . // foo() = bar(); 3,022 ( 0.00%) && let StmtKind::Semi(first) = s2.kind 1,384 ( 0.00%) && let ExprKind::Assign(lhs1, rhs1, _) = first.kind . . // bar() = t; 3 ( 0.00%) && let StmtKind::Semi(second) = s3.kind 3 ( 0.00%) && let ExprKind::Assign(lhs2, rhs2, _) = second.kind 2 ( 0.00%) && let ExprKind::Path(QPath::Resolved(None, rhs2_path)) = rhs2.kind . && rhs2_path.segments.len() == 1 . . && ident.name == rhs2_path.segments[0].ident.name . . && let ctxt = s1.span.ctxt() . && s2.span.ctxt() == ctxt . && s3.span.ctxt() == ctxt . && first.span.ctxt() == ctxt -- line 196 ---------------------------------------- -- line 203 ---------------------------------------- . generate_swap_warning(block, cx, lhs1, lhs2, rhs1, rhs2, span, false); . } . } . } . . /// Implementation of the `ALMOST_SWAPPED` lint. . fn check_suspicious_swap(cx: &LateContext<'_>, block: &Block<'_>) { . for [first, second] in block.stmts.array_windows() { 21,777 ( 0.00%) if let Some((lhs0, rhs0)) = parse(first) 4,866 ( 0.00%) && let Some((lhs1, rhs1)) = parse(second) 460 ( 0.00%) && let ctxt = first.span.ctxt() 920 ( 0.00%) && ctxt == second.span.ctxt() 1,792 ( 0.00%) && !ctxt.in_external_macro(cx.sess().source_map()) 54,385 ( 0.00%) => ???:::in_external_macro (448x) 2,058 ( 0.00%) && is_same(cx, ctxt, lhs0, rhs1) 2,880 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/swap.rs:clippy_lints::swap::is_same (343x) . && is_same(cx, ctxt, lhs1, rhs0) . && !is_same(cx, ctxt, lhs1, rhs1) // Ignore a = b; a = a (#10421) . && let Some(lhs_sugg) = match &lhs0 { . ExprOrIdent::Expr(expr) => Sugg::hir_opt(cx, expr), . ExprOrIdent::Ident(ident) => Some(Sugg::NonParen(ident.as_str().into())), . } . && let Some(rhs_sugg) = Sugg::hir_opt(cx, rhs0) . { -- line 224 ---------------------------------------- -- line 239 ---------------------------------------- . diag.note(format!("or maybe you should use `{sugg}::mem::replace`?")); . }, . ); . } . } . } . . fn is_same(cx: &LateContext<'_>, ctxt: SyntaxContext, lhs: ExprOrIdent<'_>, rhs: &Expr<'_>) -> bool { 686 ( 0.00%) match lhs { 6 ( 0.00%) ExprOrIdent::Expr(expr) => eq_expr_value(cx, ctxt, expr, rhs), 816 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::eq_expr_value (3x) . ExprOrIdent::Ident(ident) => { 685 ( 0.00%) if let ExprKind::Path(QPath::Resolved(None, path)) = rhs.kind 3 ( 0.00%) && let [segment] = &path.segments . && segment.ident == ident . { . true . } else { . false . } . }, . } 340 ( 0.00%) } . . #[derive(Debug, Clone, Copy)] . enum ExprOrIdent<'a> { . Expr(&'a Expr<'a>), . Ident(Ident), . } . . fn parse<'a, 'hir>(stmt: &'a Stmt<'hir>) -> Option<(ExprOrIdent<'hir>, &'a Expr<'hir>)> { 35,100 ( 0.00%) if let StmtKind::Semi(expr) = stmt.kind { 14,533 ( 0.00%) if let ExprKind::Assign(lhs, rhs, _) = expr.kind { . return Some((ExprOrIdent::Expr(lhs), rhs)); . } . } else if let StmtKind::Let(expr) = stmt.kind 7,452 ( 0.00%) && let Some(rhs) = expr.init 14,019 ( 0.00%) && let PatKind::Binding(_, _, ident_l, _) = expr.pat.kind . { . return Some((ExprOrIdent::Ident(ident_l), rhs)); . } . None . } . . /// Implementation of the xor case for `MANUAL_SWAP` lint. . fn check_xor_swap<'tcx>(cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) { . for [s1, s2, s3] in block.stmts.array_windows::<3>() { 6,898 ( 0.00%) let ctxt = s1.span.ctxt(); 5,499 ( 0.00%) if let Some((lhs0, rhs0)) = extract_sides_of_xor_assign(s1, ctxt) . && let Some((lhs1, rhs1)) = extract_sides_of_xor_assign(s2, ctxt) . && let Some((lhs2, rhs2)) = extract_sides_of_xor_assign(s3, ctxt) . && eq_expr_value(cx, ctxt, lhs0, rhs1) . && eq_expr_value(cx, ctxt, lhs2, rhs1) . && eq_expr_value(cx, ctxt, lhs1, rhs0) . && eq_expr_value(cx, ctxt, lhs1, rhs2) . && s2.span.ctxt() == ctxt . && s3.span.ctxt() == ctxt -- line 294 ---------------------------------------- -- line 299 ---------------------------------------- . } . } . . /// Returns the lhs and rhs of an xor assignment statement. . fn extract_sides_of_xor_assign<'a, 'hir>( . stmt: &'a Stmt<'hir>, . ctxt: SyntaxContext, . ) -> Option<(&'a Expr<'hir>, &'a Expr<'hir>)> { 13,796 ( 0.00%) if let StmtKind::Semi(expr) = stmt.kind 11,016 ( 0.00%) && let ExprKind::AssignOp( . Spanned { . node: AssignOpKind::BitXorAssign, . .. . }, . lhs, . rhs, . ) = expr.kind . && expr.span.ctxt() == ctxt -- line 316 ---------------------------------------- 50,612 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/collections/hash/map.rs -------------------------------------------------------------------------------- Ir -- line 361 ---------------------------------------- . /// let mut map = HashMap::with_hasher(s); . /// map.insert(1, 2); . /// ``` . #[inline] . #[must_use] . #[stable(feature = "hashmap_build_hasher", since = "1.7.0")] . #[rustc_const_stable(feature = "const_collections_with_hasher", since = "1.85.0")] . pub const fn with_hasher(hash_builder: S) -> HashMap { 268,368 ( 0.00%) HashMap { base: base::HashMap::with_hasher(hash_builder) } . } . . /// Creates an empty `HashMap` with at least the specified capacity, using . /// `hasher` to hash the keys. . /// . /// The hash map will be able to hold at least `capacity` elements without . /// reallocating. This method is allowed to allocate for more elements than . /// `capacity`. If `capacity` is zero, the hash map will not allocate. -- line 377 ---------------------------------------- -- line 1006 ---------------------------------------- . /// assert_eq!(letters[&'s'], 2); . /// assert_eq!(letters[&'t'], 3); . /// assert_eq!(letters[&'u'], 1); . /// assert_eq!(letters.get(&'y'), None); . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . pub fn entry(&mut self, key: K) -> Entry<'_, K, V, A> { 994 ( 0.00%) map_entry(self.base.rustc_entry(key)) 438 ( 0.00%) => /rust/deps/hashbrown-0.17.1/src/rustc_entry.rs:>::rustc_entry (2x) . } . . /// Returns a reference to the value corresponding to the key. . /// . /// The key may be any borrowed form of the map's key type, but . /// [`Hash`] and [`Eq`] on the borrowed form *must* match those for . /// the key type. . /// -- line 1022 ---------------------------------------- -- line 1032 ---------------------------------------- . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . pub fn get(&self, k: &Q) -> Option<&V> . where . K: Borrow, . Q: Hash + Eq, . { 22 ( 0.00%) self.base.get(k) 44 ( 0.00%) => /rust/deps/hashbrown-0.17.1/src/raw.rs:>::get:: (11x) . } . . /// Returns the key-value pair corresponding to the supplied key. This is . /// potentially useful: . /// - for key types where non-identical keys can be considered equal; . /// - for getting the `&K` stored key value from a borrowed `&Q` lookup key; or . /// - for getting a reference to a key with the same lifetime as the collection. . /// -- line 1048 ---------------------------------------- -- line 1326 ---------------------------------------- . /// assert_eq!(map.insert(37, "c"), Some("b")); . /// assert_eq!(map[&37], "c"); . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_confusables("push", "append", "put")] . #[cfg_attr(not(test), rustc_diagnostic_item = "hashmap_insert")] . pub fn insert(&mut self, k: K, v: V) -> Option { 4,069 ( 0.00%) self.base.insert(k, v) 145,180 ( 0.00%) => /rust/deps/hashbrown-0.17.1/src/map.rs:>::insert (680x) . } . . /// Tries to insert a key-value pair into the map, and returns . /// a mutable reference to the value in the entry. . /// . /// If the map already had this key present, nothing is updated, and . /// an error containing the occupied entry, key, and the value is returned. . /// -- line 1342 ---------------------------------------- -- line 1388 ---------------------------------------- . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_confusables("delete", "take")] . pub fn remove(&mut self, k: &Q) -> Option . where . K: Borrow, . Q: Hash + Eq, . { 620 ( 0.00%) self.base.remove(k) 568 ( 0.00%) => /rust/deps/hashbrown-0.17.1/src/map.rs:>::remove:: (8x) . } . . /// Removes a key from the map, returning the stored key and value if the . /// key was previously in the map. . /// . /// The key may be any borrowed form of the map's key type, but . /// [`Hash`] and [`Eq`] on the borrowed form *must* match those for . /// the key type. -- line 1404 ---------------------------------------- -- line 1431 ---------------------------------------- . where . K: Clone, . V: Clone, . S: Clone, . A: Allocator + Clone, . { . #[inline] . fn clone(&self) -> Self { 249 ( 0.00%) Self { base: self.base.clone() } . } . . #[inline] . fn clone_from(&mut self, source: &Self) { . self.base.clone_from(&source.base); . } . } . -- line 1447 ---------------------------------------- -- line 3006 ---------------------------------------- . where . K: Eq + Hash, . S: BuildHasher + Default, . { . /// Constructs a `HashMap` from an iterator of key-value pairs. . /// . /// If the iterator produces any pairs with equal keys, . /// all but one of the corresponding values will be dropped. 169 ( 0.00%) fn from_iter>(iter: T) -> HashMap { . let mut map = HashMap::with_hasher(Default::default()); 1,372 ( 0.00%) map.extend(iter); 1,463 ( 0.00%) => ???:0x0000000000173dc0 (19x) 4,490 ( 0.00%) map 187 ( 0.00%) } . } . . /// Inserts all new key-values from the iterator and replaces values with existing . /// keys with new values returned from the iterator. . #[stable(feature = "rust1", since = "1.0.0")] . impl Extend<(K, V)> for HashMap . where . K: Eq + Hash, . S: BuildHasher, . A: Allocator, . { . #[inline] . fn extend>(&mut self, iter: T) { 4 ( 0.00%) self.base.extend(iter) 619 ( 0.00%) => /rust/deps/hashbrown-0.17.1/src/map.rs:, rustc_hash::FxBuildHasher> as core::iter::traits::collect::Extend<(&str, std::collections::hash::set::HashSet<&str, rustc_hash::FxBuildHasher>)>>::extend::<[(&str, std::collections::hash::set::HashSet<&str, rustc_hash::FxBuildHasher>); 3]> (1x) . } . . #[inline] . fn extend_one(&mut self, (k, v): (K, V)) { . self.base.insert(k, v); . } . . #[inline] -- line 3040 ---------------------------------------- -- line 3066 ---------------------------------------- . Extend::<(K, V)>::extend_reserve(self, additional) . } . } . . #[inline] . fn map_entry<'a, K: 'a, V: 'a, A: Allocator>( . raw: base::RustcEntry<'a, K, V, A>, . ) -> Entry<'a, K, V, A> { 182 ( 0.00%) match raw { . base::RustcEntry::Occupied(base) => Entry::Occupied(OccupiedEntry { base }), 88 ( 0.00%) base::RustcEntry::Vacant(base) => Entry::Vacant(VacantEntry { base }), . } . } . . #[inline] . pub(super) fn map_try_reserve_error(err: hashbrown::TryReserveError) -> TryReserveError { . match err { . hashbrown::TryReserveError::CapacityOverflow => { . TryReserveErrorKind::CapacityOverflow.into() -- line 3084 ---------------------------------------- 9,240 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/utils/author.rs -------------------------------------------------------------------------------- Ir -- line 96 ---------------------------------------- . } else { . println!(" && {}", format_args!($($t)*)); . } . } . } . . impl<'tcx> LateLintPass<'tcx> for Author { . fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) { 1,196 ( 0.00%) check_item(cx, item.hir_id()); 88,785 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/utils/author.rs:clippy_lints::utils::author::check_item (598x) . } . . fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::ImplItem<'_>) { 286 ( 0.00%) check_item(cx, item.hir_id()); 30,840 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/utils/author.rs:clippy_lints::utils::author::check_item (143x) . } . . fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'_>) { . check_item(cx, item.hir_id()); . } . 8,568 ( 0.00%) fn check_arm(&mut self, cx: &LateContext<'tcx>, arm: &'tcx hir::Arm<'_>) { 1,904 ( 0.00%) check_node(cx, arm.hir_id, |v| { . v.arm(&v.bind("arm", arm)); . }); 7,616 ( 0.00%) } . 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { 104,090 ( 0.00%) check_node(cx, expr.hir_id, |v| { . v.expr(&v.bind("expr", expr)); . }); 416,360 ( 0.01%) } . 91,116 ( 0.00%) fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx hir::Stmt<'_>) { 60,088 ( 0.00%) match stmt.kind { 31,620 ( 0.00%) StmtKind::Expr(e) | StmtKind::Semi(e) if has_attr(cx, e.hir_id) => return, . _ => {}, . } 20,248 ( 0.00%) check_node(cx, stmt.hir_id, |v| { . v.stmt(&v.bind("stmt", stmt)); . }); 80,992 ( 0.00%) } . } . 6,669 ( 0.00%) fn check_item(cx: &LateContext<'_>, hir_id: HirId) { 3,705 ( 0.00%) if let Some(body) = cx.tcx.hir_maybe_body_owned_by(hir_id.expect_owner().def_id) { 84,751 ( 0.00%) => ???:::hir_maybe_body_owned_by (741x) . check_node_with_body( . cx, . hir_id, 325 ( 0.00%) |v| { . v.expr(&v.bind("expr", body.value)); . }, . Some(body), . ); . } 5,928 ( 0.00%) } . . fn check_node(cx: &LateContext<'_>, hir_id: HirId, f: impl Fn(&PrintVisitor<'_, '_>)) { . check_node_with_body(cx, hir_id, f, None); . } . . /// Check the node at `hir_id`, in the context of `body` or the default from `cx` if none is given. . fn check_node_with_body( . cx: &LateContext<'_>, . hir_id: HirId, . f: impl Fn(&PrintVisitor<'_, '_>), . body: Option<&Body<'_>>, . ) { 55,442 ( 0.00%) if has_attr(cx, hir_id) { . let typeck_results = body.map_or_else(|| cx.typeck_results(), |body| cx.tcx.typeck_body(body.id())); . f(&PrintVisitor::new(cx, typeck_results)); . println!("{{"); . println!(" // report your lint here"); . println!("}}"); . } . } . -- line 170 ---------------------------------------- -- line 875 ---------------------------------------- . kind!("Semi({e})"); . self.expr(e); . }, . } . } . } . . fn has_attr(cx: &LateContext<'_>, hir_id: HirId) -> bool { 90,355 ( 0.00%) let attrs = cx.tcx.hir_attrs(hir_id); 1,295,912 ( 0.02%) => ???:::hir_attrs (18,029x) 635 ( 0.00%) get_builtin_attr(attrs, sym::author).count() > 0 . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/combined_early_pass.rs -------------------------------------------------------------------------------- Ir -- line 19 ---------------------------------------- . /// Run one field's `check_*`. . /// . /// Fully qualified through [`rustc_lint::EarlyLintPass`] since some passes impl . /// both `EarlyLintPass` and `LateLintPass` with like-named methods, which would . /// be ambiguous on the concrete field type. . #[macro_export] . macro_rules! run_combined_early_lint_pass_field { . ($self:ident, $field:ident, $name:ident, ($($arg:expr),* $(,)?)) => { 4,410,483 ( 0.08%) rustc_lint::EarlyLintPass::$name(&mut $self.$field, $($arg),*); 524 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/empty_line_after.rs:::check_crate (1x) 191 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/disallowed_script_idents.rs:::check_crate (1x) . }; . } . . /// Forward one `check_*` method to every field of the combined pass. . #[macro_export] . macro_rules! expand_combined_early_lint_pass_method { . ([$($field:ident),*], $self:ident, $name:ident, $args:tt) => ({ . $($crate::run_combined_early_lint_pass_field!($self, $field, $name, $args);)* -- line 35 ---------------------------------------- -- line 36 ---------------------------------------- . }) . } . . /// Generate the combined `EarlyLintPass` impl's `check_*` methods, one per method . /// in rustc's early-pass method list. . #[macro_export] . macro_rules! expand_combined_early_lint_pass_methods { . ($fields:tt, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),*);)*]) => ( 1,689,495 ( 0.03%) $(#[inline(always)] fn $name(&mut self, cx: &rustc_lint::EarlyContext<'_>, $($param: $arg),*) { . $crate::expand_combined_early_lint_pass_method!($fields, self, $name, (cx, $($param),*)); 236,613 ( 0.00%) })* . ) . } . . /// Declare the combined struct (one field per pass) plus its . /// `LintPass`/`EarlyLintPass` impls. The method list comes from . /// `rustc_lint::early_lint_methods!` so it can't drift from rustc's. . /// . /// Each entry is `Field: Type = constructor`; `new`'s params (`conf`, ...) come -- line 54 ---------------------------------------- -- line 60 ---------------------------------------- . $methods:tt . ) => { . #[allow(non_snake_case)] . pub struct $name { . $($field: $fty,)* . } . . impl $name { 9 ( 0.00%) pub fn new($($pname: $pty,)*) -> Self { 81 ( 0.00%) Self { . $($field: $ctor,)* . } 9 ( 0.00%) } . } . . #[allow(rustc::lint_pass_impl_without_macro)] . impl rustc_lint::LintPass for $name { . fn name(&self) -> &'static str { . stringify!($name) . } . fn get_lints(&self) -> rustc_lint::LintVec { -- line 80 ---------------------------------------- 463 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs -------------------------------------------------------------------------------- Ir -- line 72 ---------------------------------------- . /// the form of the code. No crates in `rustc-perf` need more than 15 bits . /// for `ctxt_or_parent_or_marker`, but larger crates might need more than 16 . /// bits. The number of bits needed for `parent` hasn't been measured, . /// because `parent` isn't currently used by default. . /// . /// In order to reliably use parented spans in incremental compilation, . /// accesses to `lo` and `hi` must introduce a dependency to the parent definition's span. . /// This is performed using the callback `SPAN_TRACK` to access the query engine. 860,213 ( 0.02%) #[derive(Clone, Copy, Eq, PartialEq, Hash)] . #[rustc_pass_by_value] . pub struct Span { 212 ( 0.00%) lo_or_index: u32, 180 ( 0.00%) len_with_tag_or_marker: u16, 90 ( 0.00%) ctxt_or_parent_or_marker: u16, . } . . // Convenience structures for all span formats. . #[derive(Clone, Copy)] . struct InlineCtxt { . lo: u32, . len: u16, . ctxt: u16, -- line 93 ---------------------------------------- -- line 109 ---------------------------------------- . #[derive(Clone, Copy)] . struct Interned { . index: u32, . } . . impl InlineCtxt { . #[inline] . fn data(self) -> SpanData { 6,477 ( 0.00%) let len = self.len as u32; . debug_assert!(len <= MAX_LEN); 12,797 ( 0.00%) SpanData { . lo: BytePos(self.lo), . hi: BytePos(self.lo.debug_strict_add(len)), . ctxt: SyntaxContext::from_u16(self.ctxt), . parent: None, . } . } . #[inline] . fn span(lo: u32, len: u16, ctxt: u16) -> Span { -- line 127 ---------------------------------------- -- line 159 ---------------------------------------- . (span.lo_or_index, span.len_with_tag_or_marker, span.ctxt_or_parent_or_marker); . InlineParent { lo, len_with_tag, parent } . } . } . . impl PartiallyInterned { . #[inline] . fn data(self) -> SpanData { 18 ( 0.00%) SpanData { . ctxt: SyntaxContext::from_u16(self.ctxt), 12 ( 0.00%) ..with_span_interner(|interner| interner.spans[self.index as usize]) . } . } . #[inline] . fn span(index: u32, ctxt: u16) -> Span { . let (lo_or_index, len_with_tag_or_marker, ctxt_or_parent_or_marker) = . (index, BASE_LEN_INTERNED_MARKER, ctxt); . Span { lo_or_index, len_with_tag_or_marker, ctxt_or_parent_or_marker } . } -- line 177 ---------------------------------------- -- line 204 ---------------------------------------- . macro_rules! match_span_kind { . ( . $span:expr, . InlineCtxt($span1:ident) => $arm1:expr, . InlineParent($span2:ident) => $arm2:expr, . PartiallyInterned($span3:ident) => $arm3:expr, . Interned($span4:ident) => $arm4:expr, . ) => { 7,123,412 ( 0.13%) if $span.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { 13,029,857 ( 0.24%) if $span.len_with_tag_or_marker & PARENT_TAG == 0 { . // Inline-context format. . let $span1 = InlineCtxt::from_span($span); . $arm1 . } else { . // Inline-parent format. . let $span2 = InlineParent::from_span($span); . $arm2 . } 81,487 ( 0.00%) } else if $span.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { . // Partially-interned format. . let $span3 = PartiallyInterned::from_span($span); . $arm3 . } else { . // Interned format. . let $span4 = Interned::from_span($span); . $arm4 . } -- line 230 ---------------------------------------- -- line 240 ---------------------------------------- . const CTXT_INTERNED_MARKER: u16 = 0b1111_1111_1111_1111; . . /// The dummy span has zero position, length, and context, and no parent. . pub const DUMMY_SP: Span = . Span { lo_or_index: 0, len_with_tag_or_marker: 0, ctxt_or_parent_or_marker: 0 }; . . impl Span { . #[inline] 396 ( 0.00%) pub fn new( . mut lo: BytePos, . mut hi: BytePos, . ctxt: SyntaxContext, . parent: Option, . ) -> Self { 944 ( 0.00%) if lo > hi { . std::mem::swap(&mut lo, &mut hi); . } . . // Small len and ctxt may enable one of fully inline formats (or may not). 69 ( 0.00%) let (len, ctxt32) = (hi.0 - lo.0, ctxt.as_u32()); 3,981 ( 0.00%) if len <= MAX_LEN && ctxt32 <= MAX_CTXT { 2,101 ( 0.00%) match parent { . None => return InlineCtxt::span(lo.0, len as u16, ctxt32 as u16), . Some(parent) => { . let parent32 = parent.local_def_index.as_u32(); . if ctxt32 == 0 && parent32 <= MAX_CTXT { . return InlineParent::span(lo.0, len as u16, parent32 as u16); . } . } . } -- line 269 ---------------------------------------- -- line 274 ---------------------------------------- . with_span_interner(|interner| interner.intern(&SpanData { lo, hi, ctxt, parent })) . }; . if ctxt32 <= MAX_CTXT { . // Interned ctxt should never be read, so it can use any value. . PartiallyInterned::span(index(SyntaxContext::from_u32(u32::MAX)), ctxt32 as u16) . } else { . Interned::span(index(ctxt)) . } 6,319 ( 0.00%) } . . #[inline] 1,967 ( 0.00%) pub fn data(self) -> SpanData { . let data = self.data_untracked(); 2,032 ( 0.00%) if let Some(parent) = data.parent { . (*SPAN_TRACK)(parent); . } . data 1,124 ( 0.00%) } . . /// Internal function to translate between an encoded span and the expanded representation. . /// This function must not be used outside the incremental engine. . #[inline] . pub fn data_untracked(self) -> SpanData { . match_span_kind! { . self, . InlineCtxt(span) => span.data(), . InlineParent(span) => span.data(), 12 ( 0.00%) PartiallyInterned(span) => span.data(), . Interned(span) => span.data(), . } . } . . /// Returns `true` if this span comes from any kind of macro, desugaring or inlining. . #[inline] . pub fn from_expansion(self) -> bool { . let ctxt = match_span_kind! { -- line 309 ---------------------------------------- -- line 321 ---------------------------------------- . Interned(_span) => SyntaxContext::from_u16(CTXT_INTERNED_MARKER), . }; . !ctxt.is_root() . } . . /// Returns `true` if this is a dummy span with any hygienic context. . #[inline] . pub fn is_dummy(self) -> bool { 4 ( 0.00%) if self.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { . // Inline-context or inline-parent format. . let lo = self.lo_or_index; . let len = (self.len_with_tag_or_marker & !PARENT_TAG) as u32; . debug_assert!(len <= MAX_LEN); 5 ( 0.00%) lo == 0 && len == 0 . } else { . // Fully-interned or partially-interned format. . let index = self.lo_or_index; . let data = with_span_interner(|interner| interner.spans[index as usize]); . data.lo == BytePos(0) && data.hi == BytePos(0) . } . } . -- line 342 ---------------------------------------- -- line 377 ---------------------------------------- . } . } . . /// This function is used as a fast path when decoding the full `SpanData` is not necessary. . /// It's a cut-down version of `data_untracked`. . #[cfg_attr(not(test), rustc_diagnostic_item = "SpanCtxt")] . #[inline] . pub fn ctxt(self) -> SyntaxContext { 5 ( 0.00%) self.inline_ctxt() . .unwrap_or_else(|index| with_span_interner(|interner| interner.spans[index].ctxt)) . } . . #[inline] 4 ( 0.00%) pub fn eq_ctxt(self, other: Span) -> bool { 11,911 ( 0.00%) match (self.inline_ctxt(), other.inline_ctxt()) { . (Ok(ctxt1), Ok(ctxt2)) => ctxt1 == ctxt2, . // If `inline_ctxt` returns `Ok` the context is <= MAX_CTXT. . // If it returns `Err` the span is fully interned and the context is > MAX_CTXT. . // As these do not overlap an `Ok` and `Err` result cannot have an equal context. . (Ok(_), Err(_)) | (Err(_), Ok(_)) => false, . (Err(index1), Err(index2)) => with_span_interner(|interner| { . interner.spans[index1].ctxt == interner.spans[index2].ctxt . }), . } 1 ( 0.00%) } . . #[inline] . pub fn with_parent(self, parent: Option) -> Span { . let data = match_span_kind! { . self, . InlineCtxt(span) => { . // This format occurs 1-2 orders of magnitude more often than others (#126544), . // so it makes sense to micro-optimize it to avoid `span.data()` and `Span::new()`. -- line 409 ---------------------------------------- 3,984,030 ( 0.07%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs -------------------------------------------------------------------------------- Ir -- line 167 ---------------------------------------- . /// assert!(!s.is_empty()); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_str_is_empty", since = "1.39.0")] . #[rustc_no_implicit_autorefs] . #[must_use] . #[inline] . pub const fn is_empty(&self) -> bool { 73,383 ( 0.00%) self.len() == 0 . } . . /// Converts a slice of bytes to a string slice. . /// . /// A string slice ([`&str`]) is made of bytes ([`u8`]), and a byte slice . /// ([`&[u8]`][byteslice]) is made of bytes, so this function converts between . /// the two. Not all byte slices are valid string slices, however: [`&str`] requires . /// that it is valid UTF-8. `from_utf8()` checks to ensure that the bytes are valid -- line 183 ---------------------------------------- -- line 371 ---------------------------------------- . #[stable(feature = "is_char_boundary", since = "1.9.0")] . #[rustc_const_stable(feature = "const_is_char_boundary", since = "1.86.0")] . #[inline] . pub const fn is_char_boundary(&self, index: usize) -> bool { . // 0 is always ok. . // Test for 0 explicitly so that it can optimize out the check . // easily and skip reading string data for that case. . // Note that optimizing `self.get(..index)` relies on this. 485 ( 0.00%) if index == 0 { . return true; . } . 1,343 ( 0.00%) if index >= self.len() { . // For `true` we have two options: . // . // - index == self.len() . // Empty strings are valid, so return true . // - index > self.len() . // In this case return false . // . // The check is placed exactly here, because it improves generated -- line 391 ---------------------------------------- -- line 934 ---------------------------------------- . /// assert_eq!(None, s.split_at_checked(16)); // Beyond the string length . /// ``` . #[inline] . #[must_use] . #[stable(feature = "split_at_checked", since = "1.80.0")] . #[rustc_const_stable(feature = "const_str_split_at", since = "1.86.0")] . pub const fn split_at_checked(&self, mid: usize) -> Option<(&str, &str)> { . // is_char_boundary checks that the index is in [0, .len()] 579 ( 0.00%) if self.is_char_boundary(mid) { . // SAFETY: just checked that `mid` is on a char boundary. . Some(unsafe { self.split_at_unchecked(mid) }) . } else { . None . } . } . . /// Divides one mutable string slice into two at an index. -- line 950 ---------------------------------------- -- line 997 ---------------------------------------- . #[inline] . const unsafe fn split_at_unchecked(&self, mid: usize) -> (&str, &str) { . let len = self.len(); . let ptr = self.as_ptr(); . // SAFETY: caller guarantees `mid` is on a char boundary. . unsafe { . ( . from_utf8_unchecked(slice::from_raw_parts(ptr, mid)), 228 ( 0.00%) from_utf8_unchecked(slice::from_raw_parts(ptr.add(mid), len - mid)), . ) . } . } . . /// Divides one string slice into two at an index. . /// . /// # Safety . /// -- line 1013 ---------------------------------------- -- line 1071 ---------------------------------------- . /// assert_eq!(Some('\u{0306}'), chars.next()); . /// . /// assert_eq!(None, chars.next()); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . #[rustc_diagnostic_item = "str_chars"] . pub fn chars(&self) -> Chars<'_> { 2 ( 0.00%) Chars { iter: self.as_bytes().iter() } . } . . /// Returns an iterator over the [`char`]s of a string slice, and their . /// positions. . /// . /// As a string slice consists of valid UTF-8, we can iterate through a . /// string slice by [`char`]. This method returns an iterator of both . /// these [`char`]s, as well as their byte positions. -- line 1087 ---------------------------------------- -- line 1375 ---------------------------------------- . /// let bananas = "bananas"; . /// . /// assert!(bananas.contains("nana")); . /// assert!(!bananas.contains("apples")); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . pub fn contains(&self, pat: P) -> bool { 526 ( 0.00%) pat.is_contained_in(self) 5,547 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/memchr.rs:::is_contained_in (129x) . } . . /// Returns `true` if the given pattern matches a prefix of this . /// string slice. . /// . /// Returns `false` if it does not. . /// . /// The [pattern] can be a `&str`, in which case this function will return true if -- line 1391 ---------------------------------------- -- line 1489 ---------------------------------------- . /// let s = "Löwe 老虎 Léopard"; . /// let x: &[_] = &['1', '2']; . /// . /// assert_eq!(s.find(x), None); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . pub fn find(&self, pat: P) -> Option { 34,173 ( 0.00%) pat.into_searcher(self).next_match().map(|(i, _)| i) 1,996,968 ( 0.04%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/pattern.rs:::next_match (11,391x) . } . . /// Returns the byte index for the first character of the last match of the pattern in . /// this string slice. . /// . /// Returns [`None`] if the pattern doesn't match. . /// . /// The [pattern] can be a `&str`, [`char`], a slice of [`char`]s, or a -- line 1505 ---------------------------------------- -- line 1663 ---------------------------------------- . /// ``` . /// . /// Use [`split_whitespace`] for this behavior. . /// . /// [`split_whitespace`]: str::split_whitespace . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . pub fn split(&self, pat: P) -> Split<'_, P> { 1,334 ( 0.00%) Split(SplitInternal { . start: 0, . end: self.len(), . matcher: pat.into_searcher(self), . allow_trailing_empty: true, . finished: false, . }) . } . -- line 1679 ---------------------------------------- -- line 1762 ---------------------------------------- . /// assert_eq!(v, ["ghi", "def", "abc"]); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . pub fn rsplit(&self, pat: P) -> RSplit<'_, P> . where . for<'a> P::Searcher<'a>: ReverseSearcher<'a>, . { 590 ( 0.00%) RSplit(self.split(pat).0) . } . . /// Returns an iterator over substrings of the given string slice, separated . /// by characters matched by a pattern. . /// . /// The [pattern] can be a `&str`, [`char`], a slice of [`char`]s, or a . /// function or closure that determines if a character matches. . /// -- line 1778 ---------------------------------------- -- line 1977 ---------------------------------------- . /// ``` . /// assert_eq!("cfg".split_once('='), None); . /// assert_eq!("cfg=".split_once('='), Some(("cfg", ""))); . /// assert_eq!("cfg=foo".split_once('='), Some(("cfg", "foo"))); . /// assert_eq!("cfg=foo=bar".split_once('='), Some(("cfg", "foo=bar"))); . /// ``` . #[stable(feature = "str_split_once", since = "1.52.0")] . #[inline] 2,967 ( 0.00%) pub fn split_once(&self, delimiter: P) -> Option<(&'_ str, &'_ str)> { 357 ( 0.00%) let (start, end) = delimiter.into_searcher(self).next_match()?; 4,121 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/pattern.rs:::next_match (33x) . // SAFETY: `Searcher` is known to return valid indices. 387 ( 0.00%) unsafe { Some((self.get_unchecked(..start), self.get_unchecked(end..))) } 1,935 ( 0.00%) } . . /// Splits the string on the last occurrence of the specified delimiter and . /// returns prefix before delimiter and suffix after delimiter. . /// . /// # Examples . /// . /// ``` . /// assert_eq!("cfg".rsplit_once('='), None); -- line 1997 ---------------------------------------- -- line 2179 ---------------------------------------- . /// assert_eq!("Hello\tworld", s.trim()); . /// ``` . #[inline] . #[must_use = "this returns the trimmed string as a slice, \ . without modifying the original"] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_diagnostic_item = "str_trim"] . pub fn trim(&self) -> &str { 137,521 ( 0.00%) self.trim_matches(char::is_whitespace) 56,456 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs:::trim_matches::<::is_whitespace> (278x) . } . . /// Returns a string slice with leading whitespace removed. . /// . /// 'Whitespace' is defined according to the terms of the Unicode Derived . /// Core Property `White_Space`, which includes newlines. . /// . /// # Text directionality -- line 2195 ---------------------------------------- -- line 2218 ---------------------------------------- . /// assert!(Some('ע') == s.trim_start().chars().next()); . /// ``` . #[inline] . #[must_use = "this returns the trimmed string as a new slice, \ . without modifying the original"] . #[stable(feature = "trim_direction", since = "1.30.0")] . #[rustc_diagnostic_item = "str_trim_start"] . pub fn trim_start(&self) -> &str { 6,307 ( 0.00%) self.trim_start_matches(char::is_whitespace) 1,200,059 ( 0.02%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/mod.rs:::trim_start_matches::<::is_whitespace> (6,109x) . } . . /// Returns a string slice with trailing whitespace removed. . /// . /// 'Whitespace' is defined according to the terms of the Unicode Derived . /// Core Property `White_Space`, which includes newlines. . /// . /// # Text directionality -- line 2234 ---------------------------------------- -- line 2369 ---------------------------------------- . /// A more complex pattern, using a closure: . /// . /// ``` . /// assert_eq!("1foo1barXX".trim_matches(|c| c == '1' || c == 'X'), "foo1bar"); . /// ``` . #[must_use = "this returns the trimmed string as a new slice, \ . without modifying the original"] . #[stable(feature = "rust1", since = "1.0.0")] 205,617 ( 0.00%) pub fn trim_matches(&self, pat: P) -> &str . where . for<'a> P::Searcher<'a>: DoubleEndedSearcher<'a>, . { . let mut i = 0; . let mut j = 0; . let mut matcher = pat.into_searcher(self); . if let Some((a, b)) = matcher.next_reject() { . i = a; -- line 2385 ---------------------------------------- -- line 2386 ---------------------------------------- . j = b; // Remember earliest known match, correct it below if . // last match is different . } . if let Some((_, b)) = matcher.next_reject_back() { . j = b; . } . // SAFETY: `Searcher` is known to return valid indices. . unsafe { self.get_unchecked(i..j) } 205,617 ( 0.00%) } . . /// Returns a string slice with all prefixes that match a pattern . /// repeatedly removed. . /// . /// The [pattern] can be a `&str`, [`char`], a slice of [`char`]s, or a . /// function or closure that determines if a character matches. . /// . /// [`char`]: prim@char -- line 2402 ---------------------------------------- -- line 2416 ---------------------------------------- . /// assert_eq!("123foo1bar123".trim_start_matches(char::is_numeric), "foo1bar123"); . /// . /// let x: &[_] = &['1', '2']; . /// assert_eq!("12foo1bar12".trim_start_matches(x), "foo1bar12"); . /// ``` . #[must_use = "this returns the trimmed string as a new slice, \ . without modifying the original"] . #[stable(feature = "trim_direction", since = "1.30.0")] 12,904 ( 0.00%) pub fn trim_start_matches(&self, pat: P) -> &str { . let mut i = self.len(); . let mut matcher = pat.into_searcher(self); . if let Some((a, _)) = matcher.next_reject() { . i = a; . } . // SAFETY: `Searcher` is known to return valid indices. . unsafe { self.get_unchecked(i..self.len()) } 6,452 ( 0.00%) } . . /// Returns a string slice with the prefix removed. . /// . /// If the string starts with the pattern `prefix`, returns the substring after the prefix, . /// wrapped in `Some`. Unlike [`trim_start_matches`], this method removes the prefix exactly once. . /// . /// If the string does not start with `prefix`, returns `None`. . /// -- line 2440 ---------------------------------------- -- line 2635 ---------------------------------------- . /// A more complex pattern, using a closure: . /// . /// ``` . /// assert_eq!("1fooX".trim_end_matches(|c| c == '1' || c == 'X'), "1foo"); . /// ``` . #[must_use = "this returns the trimmed string as a new slice, \ . without modifying the original"] . #[stable(feature = "trim_direction", since = "1.30.0")] 170 ( 0.00%) pub fn trim_end_matches(&self, pat: P) -> &str . where . for<'a> P::Searcher<'a>: ReverseSearcher<'a>, . { . let mut j = 0; . let mut matcher = pat.into_searcher(self); . if let Some((_, b)) = matcher.next_reject_back() { . j = b; . } . // SAFETY: `Searcher` is known to return valid indices. . unsafe { self.get_unchecked(0..j) } 170 ( 0.00%) } . . /// Returns a string slice with all prefixes that match a pattern . /// repeatedly removed. . /// . /// The [pattern] can be a `&str`, [`char`], a slice of [`char`]s, or a . /// function or closure that determines if a character matches. . /// . /// [`char`]: prim@char -- line 2662 ---------------------------------------- -- line 3316 ---------------------------------------- . unsafe { from_utf8_unchecked_mut(&mut []) } . } . } . . impl_fn_for_zst! { . /// A nameable, cloneable fn type . #[derive(Clone)] . struct LinesMap impl<'a> Fn = |line: &'a str| -> &'a str { 6,517 ( 0.00%) let Some(line) = line.strip_suffix('\n') else { return line }; . let Some(line) = line.strip_suffix('\r') else { return line }; . line . }; . . #[derive(Clone)] . struct CharEscapeDebugContinue impl Fn = |c: char| -> char::EscapeDebug { . c.escape_debug_ext(EscapeDebugExtArgs { . escape_grapheme_extender: false, -- line 3332 ---------------------------------------- 36,122 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/pointers_in_nomem_asm_block.rs -------------------------------------------------------------------------------- Ir -- line 30 ---------------------------------------- . suspicious, . "pointers in nomem asm block" . } . . declare_lint_pass!(PointersInNomemAsmBlock => [POINTERS_IN_NOMEM_ASM_BLOCK]); . . impl<'tcx> LateLintPass<'tcx> for PointersInNomemAsmBlock { . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { 104,090 ( 0.00%) if let ExprKind::InlineAsm(asm) = &expr.kind { . check_asm(cx, asm); . } . } . } . . fn check_asm(cx: &LateContext<'_>, asm: &InlineAsm<'_>) { . if !asm.options.contains(InlineAsmOptions::NOMEM) { . return; -- line 46 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/bit_width.rs -------------------------------------------------------------------------------- Ir -- line 93 ---------------------------------------- . . impl ManualBitWidth { . pub fn new(conf: &Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl LateLintPass<'_> for ManualBitWidth { 520,450 ( 0.01%) fn check_expr<'tcx>(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { 156,135 ( 0.00%) if expr.span.in_external_macro(cx.sess().source_map()) { . return; . } . 22,684 ( 0.00%) match expr.kind { . // `T::BITS - n.leading_zeros()` . ExprKind::Binary(op, left, right) . if op.node == BinOpKind::Sub 12 ( 0.00%) && let ExprKind::MethodCall(leading_zeros, recv, [], _) = right.kind . && leading_zeros.ident.name == sym::leading_zeros . && let ExprKind::Path(QPath::TypeRelative(hir_ty, segment)) = left.kind . && segment.ident.name == sym::BITS . && let right_ty = cx.typeck_results().expr_ty(recv) . && let Some(right_int_kind) = get_int_kind(cx, right_ty) . && let left_ty = cx.typeck_results().node_type(hir_ty.hir_id) . && let Some(left_int_kind) = get_int_kind(cx, left_ty) . && self.msrv.meets(cx, msrvs::BIT_WIDTH) -- line 118 ---------------------------------------- -- line 124 ---------------------------------------- . emit_manual_bit_width(cx, recv, expr, right_int_kind); . } else { . // mismatched calling types . emit_type_mismatch(cx, recv, expr, right_int_kind); . } . }, . _ => {}, . } 416,360 ( 0.01%) } . } . . fn get_int_kind<'a>(cx: &LateContext<'a>, ty: Ty<'a>) -> Option> { . match ty.kind() { . // int::BITS or uint::BITS . ty::Int(int_ty) => Some(IntKind::Int(*int_ty)), . ty::Uint(uint_ty) => Some(IntKind::Uint(*uint_ty)), . // NonZero::::BITS -- line 140 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/non_null.rs -------------------------------------------------------------------------------- Ir -- line 378 ---------------------------------------- . /// . /// For more details, see the equivalent method on a raw pointer, [`pointer::map_addr`]. . /// . /// This is a [Strict Provenance][crate::ptr#strict-provenance] API. . #[must_use] . #[inline] . #[stable(feature = "strict_provenance", since = "1.84.0")] . pub fn map_addr(self, f: impl FnOnce(NonZero) -> NonZero) -> Self { 82 ( 0.00%) self.with_addr(f(self.addr())) . } . . /// Acquires the underlying `*mut` pointer. . /// . /// # Examples . /// . /// ``` . /// use std::ptr::NonNull; -- line 394 ---------------------------------------- -- line 446 ---------------------------------------- . #[stable(feature = "nonnull", since = "1.25.0")] . #[rustc_const_stable(feature = "const_nonnull_as_ref", since = "1.73.0")] . #[must_use] . #[inline(always)] . pub const unsafe fn as_ref<'a>(&self) -> &'a T { . // SAFETY: the caller must guarantee that `self` meets all the . // requirements for a reference. . // `cast_const` avoids a mutable raw pointer deref. 361,857 ( 0.01%) unsafe { &*self.as_ptr().cast_const() } . } . . /// Returns a unique reference to the value. If the value may be uninitialized, [`as_uninit_mut`] . /// must be used instead. . /// . /// For the shared counterpart see [`as_ref`]. . /// . /// [`as_uninit_mut`]: NonNull::as_uninit_mut -- line 462 ---------------------------------------- -- line 483 ---------------------------------------- . /// [the module documentation]: crate::ptr#safety . #[stable(feature = "nonnull", since = "1.25.0")] . #[rustc_const_stable(feature = "const_ptr_as_ref", since = "1.83.0")] . #[must_use] . #[inline(always)] . pub const unsafe fn as_mut<'a>(&mut self) -> &'a mut T { . // SAFETY: the caller must guarantee that `self` meets all the . // requirements for a mutable reference. 9 ( 0.00%) unsafe { &mut *self.as_ptr() } . } . . /// Casts to a pointer of another type. . /// . /// # Examples . /// . /// ``` . /// use std::ptr::NonNull; -- line 499 ---------------------------------------- -- line 564 ---------------------------------------- . pub const unsafe fn offset(self, count: isize) -> Self . where . T: Sized, . { . // SAFETY: the caller must uphold the safety contract for `offset`. . // Additionally safety contract of `offset` guarantees that the resulting pointer is . // pointing to an allocation, there can't be an allocation at null, thus it's safe to . // construct `NonNull`. 19 ( 0.00%) unsafe { transmute(intrinsics::offset(self.as_ptr(), count)) } . } . . /// Calculates the offset from a pointer in bytes. . /// . /// `count` is in units of **bytes**. . /// . /// This is purely a convenience for casting to a `u8` pointer and . /// using [offset][pointer::offset] on it. See that method for documentation -- line 580 ---------------------------------------- -- line 619 ---------------------------------------- . pub const unsafe fn add(self, count: usize) -> Self . where . T: Sized, . { . // SAFETY: the caller must uphold the safety contract for `offset`. . // Additionally safety contract of `offset` guarantees that the resulting pointer is . // pointing to an allocation, there can't be an allocation at null, thus it's safe to . // construct `NonNull`. 215,233 ( 0.00%) unsafe { transmute(intrinsics::offset(self.as_ptr(), count)) } . } . . /// Calculates the offset from a pointer in bytes (convenience for `.byte_offset(count as isize)`). . /// . /// `count` is in units of bytes. . /// . /// This is purely a convenience for casting to a `u8` pointer and . /// using [`add`][NonNull::add] on it. See that method for documentation -- line 635 ---------------------------------------- -- line 1655 ---------------------------------------- . #[stable(feature = "nonnull", since = "1.25.0")] . impl Eq for NonNull {} . . #[stable(feature = "nonnull", since = "1.25.0")] . impl PartialEq for NonNull { . #[inline] . #[allow(ambiguous_wide_pointer_comparisons)] . fn eq(&self, other: &Self) -> bool { 4,459,185 ( 0.08%) self.as_ptr() == other.as_ptr() . } . } . . #[stable(feature = "nonnull", since = "1.25.0")] . impl Ord for NonNull { . #[inline] . #[allow(ambiguous_wide_pointer_comparisons)] . fn cmp(&self, other: &Self) -> Ordering { -- line 1671 ---------------------------------------- 58,123 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs -------------------------------------------------------------------------------- Ir -- line 151 ---------------------------------------- . } . . // Tiny Vecs are dumb. Skip to: . // - 8 if the element size is 1, because any heap allocator is likely . // to round up a request of less than 8 bytes to at least 8 bytes. . // - 4 if elements are moderate-sized (<= 1 KiB). . // - 1 otherwise, to avoid wasting too much space for very short Vecs. . const fn min_non_zero_cap(size: usize) -> usize { 15,288 ( 0.00%) if size == 1 { . 8 . } else if size <= 1024 { . 4 . } else { . 1 . } . } . -- line 167 ---------------------------------------- -- line 178 ---------------------------------------- . _marker: PhantomData, . } . } . . /// A specialized version of `self.reserve(len, 1)` which requires the . /// caller to ensure `len == self.capacity()`. . #[cfg(not(no_global_oom_handling))] . #[inline(never)] 5,132 ( 0.00%) pub(crate) fn grow_one(&mut self) { . // SAFETY: All calls on self.inner pass T::LAYOUT as the elem_layout . unsafe { self.inner.grow_one(T::LAYOUT) } 5,132 ( 0.00%) } . } . . impl RawVec { . #[cfg(not(no_global_oom_handling))] . pub(crate) const MIN_NON_ZERO_CAP: usize = min_non_zero_cap(size_of::()); . . /// Like `new`, but parameterized over the choice of allocator for . /// the returned `RawVec`. -- line 197 ---------------------------------------- -- line 376 ---------------------------------------- . . /// The same as `reserve_exact`, but returns on errors instead of panicking or aborting. . pub(crate) fn try_reserve_exact( . &mut self, . len: usize, . additional: usize, . ) -> Result<(), TryReserveError> { . // SAFETY: All calls on self.inner pass T::LAYOUT as the elem_layout 215 ( 0.00%) unsafe { self.inner.try_reserve_exact(len, additional, T::LAYOUT) } 2,164 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:::try_reserve_exact (8x) . } . . /// Shrinks the buffer down to the specified capacity. If the given amount . /// is 0, actually completely deallocates. . /// . /// # Panics . /// . /// Panics if the given amount is *larger* than the current capacity. -- line 392 ---------------------------------------- -- line 417 ---------------------------------------- . } . } . . #[rustc_const_unstable(feature = "const_heap", issue = "79597")] . const unsafe impl<#[may_dangle] T, A: [const] Allocator + [const] Destruct> Drop for RawVec { . /// Frees the memory owned by the `RawVec` *without* trying to drop its contents. . fn drop(&mut self) { . // SAFETY: We are in a Drop impl, self.inner will not be used again. 237,114 ( 0.00%) unsafe { self.inner.deallocate(T::LAYOUT) } . } . } . . #[rustc_const_unstable(feature = "const_heap", issue = "79597")] . #[rustfmt::skip] // FIXME(fee1-dead): temporary measure before rustfmt is bumped . const impl RawVecInner { . #[cfg(not(no_global_oom_handling))] . #[inline] . fn with_capacity_in(capacity: usize, alloc: A, elem_layout: Layout) -> Self { 511 ( 0.00%) match Self::try_allocate_in(capacity, AllocInit::Uninitialized, alloc, elem_layout) { 5,621 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:::try_allocate_in (73x) 73 ( 0.00%) Ok(this) => { . unsafe { . // Make it more obvious that a subsequent Vec::reserve(capacity) will not allocate. . hint::assert_unchecked(!this.needs_to_grow(0, capacity, elem_layout)); . } . this . } . Err(err) => handle_error(err), . } . } . 657 ( 0.00%) fn try_allocate_in( . capacity: usize, . init: AllocInit, . alloc: A, . elem_layout: Layout, . ) -> Result { . // We avoid `unwrap_or_else` here because it bloats the amount of . // LLVM IR generated. . let layout = match layout_array(capacity, elem_layout) { . Ok(layout) => layout, . Err(_) => return Err(CapacityOverflow.into()), . }; . . // Don't allocate here because `Drop` will not deallocate when `capacity` is 0. 10,755 ( 0.00%) if layout.size() == 0 { . return Ok(Self::new_in(alloc, elem_layout.alignment())); . } . 146 ( 0.00%) let result = match init { . AllocInit::Uninitialized => alloc.allocate(layout), . #[cfg(not(no_global_oom_handling))] . AllocInit::Zeroed => alloc.allocate_zeroed(layout), . }; 9,789 ( 0.00%) let ptr = match result { . Ok(ptr) => ptr, . Err(_) => return Err(AllocError { layout, non_exhaustive: () }.into()), . }; . . // Allocators currently return a `NonNull<[u8]>` whose length . // matches the size requested. If that ever changes, the capacity . // here should change to `ptr.len() / size_of::()`. 219 ( 0.00%) Ok(Self { . ptr: Unique::from(ptr.cast()), . cap: unsafe { Cap::new_unchecked(capacity) }, . alloc, . }) 511 ( 0.00%) } . . /// # Safety . /// - `elem_layout` must be valid for `self`, i.e. it must be the same `elem_layout` used to . /// initially construct `self` . /// - `elem_layout`'s size must be a multiple of its alignment . #[cfg(not(no_global_oom_handling))] . #[inline] . unsafe fn grow_one(&mut self, elem_layout: Layout) { . // SAFETY: Precondition passed to caller 1,283 ( 0.00%) if let Err(err) = unsafe { self.grow_amortized(self.cap.as_inner(), 1, elem_layout) } { . handle_error(err); . } . } . . /// # Safety . /// - `elem_layout` must be valid for `self`, i.e. it must be the same `elem_layout` used to . /// initially construct `self` . /// - `elem_layout`'s size must be a multiple of its alignment -- line 501 ---------------------------------------- -- line 504 ---------------------------------------- . &mut self, . len: usize, . additional: usize, . elem_layout: Layout, . ) -> Result<(), TryReserveError> { . // This is ensured by the calling contexts. . debug_assert!(additional > 0); . 4,368 ( 0.00%) if elem_layout.size() == 0 { . // Since we return a capacity of `usize::MAX` when `elem_size` is . // 0, getting to here necessarily means the `RawVec` is overfull. . return Err(CapacityOverflow.into()); . } . . // Nothing we can really do about these checks, sadly. . let required_cap = len.checked_add(additional).ok_or(CapacityOverflow)?; . . // This guarantees exponential growth. The doubling cannot overflow . // because `cap <= isize::MAX` and the type of `cap` is `usize`. 5,653 ( 0.00%) let cap = cmp::max(self.cap.as_inner() * 2, required_cap); . let cap = cmp::max(min_non_zero_cap(elem_layout.size()), cap); . . // SAFETY: . // - cap >= len + additional . // - other preconditions passed to caller 14,254 ( 0.00%) let ptr = unsafe { self.finish_grow(cap, elem_layout)? }; 354 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:::finish_grow (2x) . . // SAFETY: `finish_grow` would have failed if `cap > isize::MAX` . unsafe { self.set_ptr_and_cap(ptr, cap) }; . Ok(()) . } . . /// # Safety . /// - `elem_layout` must be valid for `self`, i.e. it must be the same `elem_layout` used to . /// initially construct `self` . /// - `elem_layout`'s size must be a multiple of its alignment . /// - `cap` must be greater than the current capacity . // not marked inline(never) since we want optimizers to be able to observe the specifics of this . // function, see tests/codegen-llvm/vec-reserve-extend.rs. . #[cold] 39,228 ( 0.00%) unsafe fn finish_grow( . &self, . cap: usize, . elem_layout: Layout, . ) -> Result, TryReserveError> { . let new_layout = layout_array(cap, elem_layout)?; . . let memory = if let Some((ptr, old_layout)) = unsafe { self.current_memory(elem_layout) } { . // FIXME(const-hack): switch to `debug_assert_eq` -- line 552 ---------------------------------------- -- line 556 ---------------------------------------- . hint::assert_unchecked(old_layout.align() == new_layout.align()); . self.alloc.grow(ptr, old_layout, new_layout) . } . } else { . self.alloc.allocate(new_layout) . }; . . memory.map_err(const |_| AllocError { layout: new_layout, non_exhaustive: () }.into()) 29,422 ( 0.00%) } . } . . impl RawVecInner { . #[inline] . const fn new_in(alloc: A, align: Alignment) -> Self { . let ptr = Unique::from_non_null(NonNull::without_provenance(align.as_nonzero_usize())); . // `cap: 0` means "unallocated". zero-sized types are ignored. . Self { ptr, cap: ZERO_CAP, alloc } -- line 572 ---------------------------------------- -- line 603 ---------------------------------------- . . #[inline] . const fn ptr(&self) -> *mut T { . self.non_null::().as_ptr() . } . . #[inline] . const fn non_null(&self) -> NonNull { 459,332 ( 0.01%) self.ptr.cast().as_non_null_ptr() . } . . #[inline] . const fn capacity(&self, elem_size: usize) -> usize { 2,988 ( 0.00%) if elem_size == 0 { usize::MAX } else { self.cap.as_inner() } . } . . #[inline] . const fn allocator(&self) -> &A { . &self.alloc . } . . /// # Safety . /// - `elem_layout` must be valid for `self`, i.e. it must be the same `elem_layout` used to . /// initially construct `self` . /// - `elem_layout`'s size must be a multiple of its alignment . #[inline] . #[rustc_const_unstable(feature = "const_heap", issue = "79597")] . const unsafe fn current_memory(&self, elem_layout: Layout) -> Option<(NonNull, Layout)> { 248,816 ( 0.00%) if elem_layout.size() == 0 || self.cap.as_inner() == 0 { . None . } else { . // We could use Layout::array here which ensures the absence of isize and usize overflows . // and could hypothetically handle differences between stride and size, but this memory . // has already been allocated so we know it can't overflow and currently Rust does not . // support such types. So we can do better by skipping some checks and avoid an unwrap. . unsafe { . let alloc_size = elem_layout.size().unchecked_mul(self.cap.as_inner()); -- line 639 ---------------------------------------- -- line 650 ---------------------------------------- . #[cfg(not(no_global_oom_handling))] . #[inline] . unsafe fn reserve(&mut self, len: usize, additional: usize, elem_layout: Layout) { . // Callers expect this function to be very cheap when there is already sufficient capacity. . // Therefore, we move all the resizing and error-handling logic from grow_amortized and . // handle_reserve behind a call, while making sure that this function is likely to be . // inlined as just a comparison and a call if the comparison fails. . #[cold] 8,739 ( 0.00%) unsafe fn do_reserve_and_handle( . slf: &mut RawVecInner, . len: usize, . additional: usize, . elem_layout: Layout, . ) { . // SAFETY: Precondition passed to caller . if let Err(err) = unsafe { slf.grow_amortized(len, additional, elem_layout) } { . handle_error(err); . } 8,740 ( 0.00%) } . 5,887 ( 0.00%) if self.needs_to_grow(len, additional, elem_layout) { . unsafe { 16,194 ( 0.00%) do_reserve_and_handle(self, len, additional, elem_layout); 16,823 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:>::reserve::do_reserve_and_handle:: (51x) . } . } . } . . /// # Safety . /// - `elem_layout` must be valid for `self`, i.e. it must be the same `elem_layout` used to . /// initially construct `self` . /// - `elem_layout`'s size must be a multiple of its alignment -- line 680 ---------------------------------------- -- line 708 ---------------------------------------- . handle_error(err); . } . } . . /// # Safety . /// - `elem_layout` must be valid for `self`, i.e. it must be the same `elem_layout` used to . /// initially construct `self` . /// - `elem_layout`'s size must be a multiple of its alignment 69 ( 0.00%) unsafe fn try_reserve_exact( . &mut self, . len: usize, . additional: usize, . elem_layout: Layout, . ) -> Result<(), TryReserveError> { 23 ( 0.00%) if self.needs_to_grow(len, additional, elem_layout) { . // SAFETY: Precondition passed to caller . unsafe { . self.grow_exact(len, additional, elem_layout)?; . } . } . unsafe { . // Inform the optimizer that the reservation has succeeded or wasn't needed . hint::assert_unchecked(!self.needs_to_grow(len, additional, elem_layout)); . } . Ok(()) 23 ( 0.00%) } . . /// # Safety . /// - `elem_layout` must be valid for `self`, i.e. it must be the same `elem_layout` used to . /// initially construct `self` . /// - `elem_layout`'s size must be a multiple of its alignment . /// - `cap` must be less than or equal to `self.capacity(elem_layout.size())` . #[cfg(not(no_global_oom_handling))] . #[inline] -- line 741 ---------------------------------------- -- line 756 ---------------------------------------- . cap: usize, . elem_layout: Layout, . ) -> Result<(), TryReserveError> { . unsafe { self.shrink(cap, elem_layout) } . } . . #[inline] . const fn needs_to_grow(&self, len: usize, additional: usize, elem_layout: Layout) -> bool { 6,531 ( 0.00%) additional > self.capacity(elem_layout.size()).wrapping_sub(len) . } . . #[inline] . #[rustc_const_unstable(feature = "const_heap", issue = "79597")] . const unsafe fn set_ptr_and_cap(&mut self, ptr: NonNull<[u8]>, cap: usize) { . // Allocators currently return a `NonNull<[u8]>` whose length matches . // the size requested. If that ever changes, the capacity here should . // change to `ptr.len() / size_of::()`. 3,493 ( 0.00%) self.ptr = Unique::from(ptr.cast()); 3,491 ( 0.00%) self.cap = unsafe { Cap::new_unchecked(cap) }; . } . . /// # Safety . /// - `elem_layout` must be valid for `self`, i.e. it must be the same `elem_layout` used to . /// initially construct `self` . /// - `elem_layout`'s size must be a multiple of its alignment . /// - The sum of `len` and `additional` must be greater than the current capacity . unsafe fn grow_exact( . &mut self, . len: usize, . additional: usize, . elem_layout: Layout, . ) -> Result<(), TryReserveError> { 23 ( 0.00%) if elem_layout.size() == 0 { . // Since we return a capacity of `usize::MAX` when the type size is . // 0, getting to here necessarily means the `RawVec` is overfull. . return Err(CapacityOverflow.into()); . } . . let cap = len.checked_add(additional).ok_or(CapacityOverflow)?; . . // SAFETY: preconditions passed to caller 8,600 ( 0.00%) let ptr = unsafe { self.finish_grow(cap, elem_layout)? }; 5,703 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/raw_vec/mod.rs:::finish_grow (75x) . . // SAFETY: `finish_grow` would have failed if `cap > isize::MAX` . unsafe { self.set_ptr_and_cap(ptr, cap) }; . Ok(()) . } . . /// # Safety . /// - `elem_layout` must be valid for `self`, i.e. it must be the same `elem_layout` used to -- line 805 ---------------------------------------- -- line 824 ---------------------------------------- . /// # Safety . /// `cap <= self.capacity()` . unsafe fn shrink_unchecked( . &mut self, . cap: usize, . elem_layout: Layout, . ) -> Result<(), TryReserveError> { . // SAFETY: Precondition passed to caller 302 ( 0.00%) let Some((ptr, layout)) = (unsafe { self.current_memory(elem_layout) }) else { . return Ok(()); . }; . . // If shrinking to 0, deallocate the buffer. We don't reach this point . // for the T::IS_ZST case since current_memory() will have returned . // None. 604 ( 0.00%) if cap == 0 { . unsafe { self.alloc.deallocate(ptr, layout) }; . self.ptr = . unsafe { Unique::new_unchecked(ptr::without_provenance_mut(elem_layout.align())) }; . self.cap = ZERO_CAP; . } else { . let ptr = unsafe { . // Layout cannot overflow here because it would have . // overflowed earlier when capacity was larger. -- line 847 ---------------------------------------- 877,691 ( 0.02%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/precedence.rs -------------------------------------------------------------------------------- Ir -- line 42 ---------------------------------------- . pub PRECEDENCE_BITS, . restriction, . "operations mixing bit shifting with bit combining/masking" . } . . declare_lint_pass!(Precedence => [PRECEDENCE, PRECEDENCE_BITS]); . . impl EarlyLintPass for Precedence { 345,730 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 98,780 ( 0.00%) if expr.span.from_expansion() { . return; . } . 45,290 ( 0.00%) if let ExprKind::Binary(Spanned { node: op, .. }, ref left, ref right) = expr.kind { . let span_sugg = |lint: &'static Lint, expr: &Expr, sugg, appl| { . span_lint_and_sugg( . cx, . lint, . expr.span, . "operator precedence might not be obvious", . "consider parenthesizing your expression", . sugg, -- line 63 ---------------------------------------- -- line 106 ---------------------------------------- . op.as_str(), . snippet_with_applicability(cx, right.span, "..", &mut applicability) . ); . span_sugg(lint_for(&[op, side_op]), expr, sugg, applicability); . }, . _ => (), . } . } else if let ExprKind::MethodCall(method_call) = &expr.kind 5,572 ( 0.00%) && let ExprKind::Closure(closure) = &method_call.receiver.kind . { . span_lint_and_then(cx, PRECEDENCE, expr.span, "precedence might not be obvious", |diag| { . diag.multipart_suggestion( . "consider parenthesizing the closure", . vec![ . (closure.fn_decl_span.shrink_to_lo(), String::from("(")), . (closure.body.span.shrink_to_hi(), String::from(")")), . ], . Applicability::MachineApplicable, . ); . }); . } 395,120 ( 0.01%) } . } . . fn get_bin_opt(expr: &Expr) -> Option { . match expr.kind { . ExprKind::Binary(Spanned { node: op, .. }, _, _) => Some(op), . _ => None, . } . } . . #[must_use] . fn is_bit_op(op: BinOpKind) -> bool { 453 ( 0.00%) matches!(op, BitXor | BitAnd | BitOr | Shl | Shr) . } . . fn lint_for(ops: &[BinOpKind]) -> &'static Lint { . if ops.iter().all(|op| is_bit_op(*op)) { . PRECEDENCE_BITS . } else { . PRECEDENCE . } -- line 147 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/zero_repeat_side_effects.rs -------------------------------------------------------------------------------- Ir -- line 40 ---------------------------------------- . pub ZERO_REPEAT_SIDE_EFFECTS, . suspicious, . "usage of zero-sized initializations of arrays or vecs causing side effects" . } . . declare_lint_pass!(ZeroRepeatSideEffects => [ZERO_REPEAT_SIDE_EFFECTS]); . . impl LateLintPass<'_> for ZeroRepeatSideEffects { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { 208,180 ( 0.00%) if let Some(args) = VecArgs::hir(cx, expr) 11,045,246 ( 0.20%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (52,045x) 10 ( 0.00%) && let VecArgs::Repeat(inner_expr, len) = args . && let ExprKind::Lit(l) = len.kind . && let LitKind::Int(Pu128(0), _) = l.node . { . inner_check(cx, expr, inner_expr, true); . } . // Lint only if the length is a literal zero, and not a path to any constants. . // NOTE(@y21): When reading `[f(); LEN]`, I intuitively expect that the function is called and it . // doesn't seem as confusing as `[f(); 0]`. It would also have false positives when eg. . // the const item depends on `#[cfg]s` and has different values in different compilation . // sessions). 104,090 ( 0.00%) else if let ExprKind::Repeat(inner_expr, const_arg) = expr.kind . && let ConstArgKind::Anon(anon_const) = const_arg.kind . && let length_expr = cx.tcx.hir_body(anon_const.body).value . && !length_expr.span.from_expansion() . && let ExprKind::Lit(literal) = length_expr.kind . && let LitKind::Int(Pu128(0), _) = literal.node . { . inner_check(cx, expr, inner_expr, false); . } 260,225 ( 0.00%) } . } . . fn inner_check(cx: &LateContext<'_>, expr: &'_ Expr<'_>, inner_expr: &'_ Expr<'_>, is_vec: bool) { . // check if expr is a call or has a call inside it . if inner_expr.can_have_side_effects() { . let parent_hir_node = cx.tcx.parent_hir_node(expr.hir_id); . let inner_expr_ty = cx.typeck_results().expr_ty(inner_expr); . let return_type = cx.typeck_results().expr_ty(expr); -- line 78 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unused_rounding.rs -------------------------------------------------------------------------------- Ir -- line 29 ---------------------------------------- . pub UNUSED_ROUNDING, . nursery, . "Uselessly rounding a whole number floating-point literal" . } . . declare_lint_pass!(UnusedRounding => [UNUSED_ROUNDING]); . . fn is_useless_rounding(cx: &EarlyContext<'_>, expr: &Expr) -> Option<(Symbol, String)> { 98,780 ( 0.00%) if let ExprKind::MethodCall(MethodCall { . seg: name_ident, . receiver, . .. . }) = &expr.kind 1,594 ( 0.00%) && let method_name = name_ident.ident.name 9,564 ( 0.00%) && matches!(method_name, sym::ceil | sym::floor | sym::round) . && let ExprKind::Lit(token_lit) = &receiver.kind . && token_lit.is_semantic_float() . && let Ok(f) = token_lit.symbol.as_str().replace('_', "").parse::() . && f.fract() == 0.0 . { . Some((method_name, snippet(cx, receiver.span, "..").into())) . } else { . None . } . } . . impl EarlyLintPass for UnusedRounding { 345,730 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 1,594 ( 0.00%) if let Some((method_name, float)) = is_useless_rounding(cx, expr) { . span_lint_and_sugg( . cx, . UNUSED_ROUNDING, . expr.span, . format!("used the `{method_name}` method with a whole number float"), . format!("remove the `{method_name}` method call"), . float, . Applicability::MachineApplicable, . ); . } 395,120 ( 0.01%) } . } 1,594 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/context.rs -------------------------------------------------------------------------------- Ir -- line 1081 ---------------------------------------- . Some(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::AsyncGen, _)) . ) . } . . pub fn features(self) -> &'tcx rustc_feature::Features { . self.features_query(()) . } . 34,728 ( 0.00%) pub fn def_key(self, id: impl IntoQueryKey) -> rustc_hir::definitions::DefKey { . let id = id.into_query_key(); . // Accessing the DefKey is ok, since it is part of DefPathHash. . if let Some(id) = id.as_local() { . self.definitions_untracked().def_key(id) . } else { 11,160 ( 0.00%) self.cstore_untracked().def_key(id) 267,840 ( 0.00%) => ???:::def_key (3,720x) . } 40,516 ( 0.00%) } . . /// Converts a `DefId` into its fully expanded `DefPath` (every . /// `DefId` is really just an interned `DefPath`). . /// . /// Note that if `id` is not local to this crate, the result will . /// be a non-local `DefPath`. . pub fn def_path(self, id: DefId) -> rustc_hir::definitions::DefPath { . // Accessing the DefPath is ok, since it is part of DefPathHash. -- line 1105 ---------------------------------------- -- line 2224 ---------------------------------------- . pub fn mk_ct_from_kind(self, kind: ty::ConstKind<'tcx>) -> Const<'tcx> { . self.interners.intern_const(kind) . } . . // Avoid this in favour of more specific `Ty::new_*` methods, where possible. . #[allow(rustc::usage_of_ty_tykind)] . #[inline] . pub fn mk_ty_from_kind(self, st: TyKind<'tcx>) -> Ty<'tcx> { 6,563 ( 0.00%) self.interners.intern_ty(st) 772 ( 0.00%) => ???:::intern_ty (6x) . } . . pub fn mk_param_from_def(self, param: &ty::GenericParamDef) -> GenericArg<'tcx> { . match param.kind { . GenericParamDefKind::Lifetime => { . ty::Region::new_early_param(self, param.to_early_bound_region_data()).into() . } . GenericParamDefKind::Type { .. } => Ty::new_param(self, param.index, param.name).into(), -- line 2240 ---------------------------------------- -- line 2420 ---------------------------------------- . T::collect_and_apply(iter, |xs| self.mk_predefined_opaques_in_body(xs)) . } . . pub fn mk_clauses_from_iter(self, iter: I) -> T::Output . where . I: Iterator, . T: CollectAndApply, Clauses<'tcx>>, . { 11 ( 0.00%) T::collect_and_apply(iter, |xs| self.mk_clauses(xs)) 55 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_type_ir/src/interner.rs:>>::collect_and_apply::, clippy_lints::derive::derive_partial_eq_without_eq::typing_env_for_derived_eq::{closure#1}>, core::iter::adapters::map::Map, clippy_lints::derive::derive_partial_eq_without_eq::typing_env_for_derived_eq::{closure#2}>, clippy_lints::derive::derive_partial_eq_without_eq::typing_env_for_derived_eq::{closure#3}>>, ::mk_clauses_from_iter, clippy_lints::derive::derive_partial_eq_without_eq::typing_env_for_derived_eq::{closure#1}>, core::iter::adapters::map::Map, clippy_lints::derive::derive_partial_eq_without_eq::typing_env_for_derived_eq::{closure#2}>, clippy_lints::derive::derive_partial_eq_without_eq::typing_env_for_derived_eq::{closure#3}>>, rustc_middle::ty::predicate::Clause>::{closure#0}> (1x) . } . . pub fn mk_type_list_from_iter(self, iter: I) -> T::Output . where . I: Iterator, . T: CollectAndApply, &'tcx List>>, . { 20 ( 0.00%) T::collect_and_apply(iter, |xs| self.mk_type_list(xs)) 207 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_type_ir/src/interner.rs:>>::collect_and_apply::>, core::array::iter::IntoIter>, ::mk_type_list_from_iter>, core::array::iter::IntoIter>, rustc_middle::ty::Ty>::{closure#0}> (1x) . } . . pub fn mk_args_from_iter(self, iter: I) -> T::Output . where . I: Iterator, . T: CollectAndApply, ty::GenericArgsRef<'tcx>>, . { 1,025 ( 0.00%) T::collect_and_apply(iter, |xs| self.mk_args(xs)) 246 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_type_ir/src/interner.rs:>>::collect_and_apply::, alloc::vec::into_iter::IntoIter>, >::into>, ::mk_args_from_iter, alloc::vec::into_iter::IntoIter>, >::into>, rustc_middle::ty::generic_args::GenericArg>::{closure#0}> (2x) . } . . pub fn mk_canonical_var_infos_from_iter(self, iter: I) -> T::Output . where . I: Iterator, . T: CollectAndApply, &'tcx List>>, . { . T::collect_and_apply(iter, |xs| self.mk_canonical_var_kinds(xs)) -- line 2452 ---------------------------------------- -- line 2493 ---------------------------------------- . >, . { . T::collect_and_apply(iter, |xs| self.mk_outlives(xs)) . } . . /// Emit a lint at `span` from a lint struct (some type that implements `Diagnostic`, . /// typically generated by `#[derive(Diagnostic)]`). . #[track_caller] 12 ( 0.00%) pub fn emit_node_span_lint( . self, . lint: &'static Lint, . hir_id: HirId, . span: impl Into, . decorator: impl for<'a> Diagnostic<'a, ()>, . ) { 397 ( 0.00%) let level_spec = self.lint_level_spec_at_node(lint, hir_id); 3,349 ( 0.00%) => ???:::lint_level_spec_at_node (3x) 667 ( 0.00%) emit_lint_base(self.sess, lint, level_spec, Some(span.into()), decorator) 249 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/lint.rs:rustc_middle::lint::emit_lint_base::::{closure#0}>::{closure#0}>, rustc_middle::lint::LevelSpec> (1x) 8 ( 0.00%) } . . /// Find the appropriate span where `use` and outer attributes can be inserted at. . pub fn crate_level_attribute_injection_span(self) -> Span { . let node = self.hir_node(hir::CRATE_HIR_ID); . let hir::Node::Crate(m) = node else { bug!() }; . m.spans.inject_use_span.shrink_to_lo() . } . -- line 2518 ---------------------------------------- -- line 2680 ---------------------------------------- . let def_id = def_id.into_query_key(); . match self.def_kind(def_id) { . DefKind::Fn | DefKind::AssocFn => self.intrinsic_raw(def_id), . _ => None, . } . } . . pub fn next_trait_solver_globally(self) -> bool { 566 ( 0.00%) self.sess.opts.unstable_opts.next_solver.globally . } . . pub fn next_trait_solver_in_coherence(self) -> bool { . self.sess.opts.unstable_opts.next_solver.coherence . } . . pub fn disable_trait_solver_fast_paths(self) -> bool { . self.sess.opts.unstable_opts.disable_fast_paths -- line 2696 ---------------------------------------- 65,784 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/option_env_unwrap.rs -------------------------------------------------------------------------------- Ir -- line 30 ---------------------------------------- . correctness, . "using `option_env!(...).unwrap()` to get environment variable" . } . . declare_lint_pass!(OptionEnvUnwrap => [OPTION_ENV_UNWRAP]); . . impl EarlyLintPass for OptionEnvUnwrap { . fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 100,374 ( 0.00%) if let ExprKind::MethodCall(MethodCall { seg, receiver, .. }) = &expr.kind 7,948 ( 0.00%) && matches!(seg.ident.name, sym::expect | sym::unwrap) 66 ( 0.00%) && is_direct_expn_of(receiver.span, sym::option_env).is_some() 253 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_direct_expn_of (11x) . { . span_lint_and_help( . cx, . OPTION_ENV_UNWRAP, . expr.span, . "this will panic at run-time if the environment variable doesn't exist at compile-time", . None, . "consider using the `env!` macro instead", -- line 48 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/main_recursion.rs -------------------------------------------------------------------------------- Ir -- line 29 ---------------------------------------- . . #[derive(Default)] . pub struct MainRecursion { . has_no_std_attr: bool, . } . . impl LateLintPass<'_> for MainRecursion { . fn check_crate(&mut self, cx: &LateContext<'_>) { 3 ( 0.00%) self.has_no_std_attr = is_no_std_crate(cx); 172 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_no_std_crate (1x) . } . 208,180 ( 0.00%) fn check_expr_post(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { 227,138 ( 0.00%) if self.has_no_std_attr { . return; . } . . if let ExprKind::Call(func, []) = &expr.kind 5,265 ( 0.00%) && let ExprKind::Path(QPath::Resolved(_, path)) = &func.kind 4 ( 0.00%) && let Some(def_id) = path.res.opt_def_id() 10 ( 0.00%) && is_entrypoint_fn(cx, def_id) 70 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_entrypoint_fn (2x) . { . span_lint_and_help( . cx, . MAIN_RECURSION, . func.span, . format!("recursing into entrypoint `{}`", snippet(cx, func.span, "main")), . None, . "consider using another function for this recursion", . ); . } 260,225 ( 0.00%) } . } 2 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/utils/format_args_collector.rs -------------------------------------------------------------------------------- Ir -- line 13 ---------------------------------------- . pub struct FormatArgsCollector { . format_args: FxHashMap, . parent_spans: Vec, . storage: FormatArgsStorage, . } . . impl FormatArgsCollector { . pub fn new(storage: FormatArgsStorage) -> Self { 8 ( 0.00%) Self { . format_args: FxHashMap::default(), . parent_spans: Vec::new(), . storage, . } . } . } . . impl_lint_pass!(FormatArgsCollector => []); . . impl EarlyLintPass for FormatArgsCollector { 345,730 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 98,780 ( 0.00%) if let ExprKind::FormatArgs(args) = &expr.kind { 350 ( 0.00%) if self.has_span_from_external_macro(cx.sess().source_map(), expr.span, args) { . return; . } . . self.format_args.insert(expr.span.with_parent(None), (**args).clone()); . } 395,120 ( 0.01%) } . . fn check_crate_post(&mut self, _: &EarlyContext<'_>, _: &Crate) { 2 ( 0.00%) self.storage.set(mem::take(&mut self.format_args)); 110 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:::set (1x) . } . } . . impl FormatArgsCollector { . /// Detects if the format string or an argument has its span set by a proc macro to something . /// inside a macro callsite, e.g. . /// . /// ```ignore -- line 51 ---------------------------------------- -- line 63 ---------------------------------------- . /// ```ignore . /// println!(some_proc_macro!("input {}"), a); . /// // ^^^^^^^^^^ . /// ``` . fn has_span_from_external_macro(&mut self, sm: &SourceMap, fmt_sp: Span, args: &FormatArgs) -> bool { . let mut fmt_sp = fmt_sp.data(); . . // Find the first macro call that contains the format string. 400 ( 0.00%) let arg_sp = if let Some(arg_sp) = walk_span_to_context(args.span, fmt_sp.ctxt) { 4,300 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::walk_span_to_context (50x) . arg_sp.data() . } else { . // Try to find a common parent for the format call and the format string. . self.parent_spans.clear(); . // `fmt_sp.ctxt` isn't a parent of the format string so don't add it to the . // search. The first iteration will always run since it can't be the root. 430 ( 0.00%) while !fmt_sp.ctxt.is_root() { 1,540 ( 0.00%) fmt_sp = fmt_sp.ctxt.outer_expn_data().call_site.data(); . self.parent_spans.push(fmt_sp); . } . let mut arg_sp = args.span.data(); . // Note: A parent span will always eventually be found since the root context . // is an ancestor of all contexts. . loop { . match self.parent_spans.iter().find(|s| s.ctxt == arg_sp.ctxt) { 50 ( 0.00%) Some(call_sp) if call_sp.lo <= arg_sp.lo && arg_sp.hi <= call_sp.hi => { 100 ( 0.00%) fmt_sp = *call_sp; 200 ( 0.00%) break arg_sp; . }, . // If the string isn't within the call span we some macro stuff we can't . // easily interpret. . Some(_) => return true, . None => arg_sp = arg_sp.ctxt.outer_expn_data().call_site.data(), . } . } . }; 250 ( 0.00%) if fmt_sp.ctxt.in_external_macro(sm) { 5,050 ( 0.00%) => ???:::in_external_macro (50x) . return true; . } 350 ( 0.00%) let Some(src) = arg_sp.get_source_range(sm) else { . return true; . }; . let Some(src_text) = src.sf.src.as_ref().map(|x| &***x) else { . return true; . }; . . // Check the spans between the format string and the arguments and between each argument. 50 ( 0.00%) args.arguments 100 ( 0.00%) .explicit_args() 300 ( 0.00%) => ???:::explicit_args (50x) . .iter() 250 ( 0.00%) .try_fold(src.range.end, |start, arg| { 320 ( 0.00%) let expr_sp = walk_span_to_context(arg.expr.span, fmt_sp.ctxt)?.data(); 5,900 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/source.rs:clippy_utils::source::walk_span_to_context (64x) 192 ( 0.00%) let expr_start = (expr_sp.lo.0 - src.sf.start_pos.0) as usize; . let expr_end = (expr_sp.hi.0 - src.sf.start_pos.0) as usize; . let mut tks = tokenize(src_text.get(start..expr_start)?, FrontmatterAllowed::No) . .map(|x| x.kind) . .filter(|x| { . !matches!( . x, . TokenKind::LineComment { doc_style: None } . | TokenKind::BlockComment { -- line 122 ---------------------------------------- 1,083 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/mod.rs -------------------------------------------------------------------------------- Ir -- line 469 ---------------------------------------- . pub before_feature_tys: Ty<'tcx>, . /// Tuple containing the types of closure captures after the feature `capture_disjoint_fields` . pub after_feature_tys: Ty<'tcx>, . } . . impl TyCtxt<'_> { . #[inline] . pub fn opt_parent(self, id: DefId) -> Option { 23,848 ( 0.00%) self.def_key(id).parent.map(|index| DefId { index, ..id }) 98,210 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/context.rs:::def_key:: (1,393x) . } . . #[inline] . #[track_caller] . pub fn parent(self, id: DefId) -> DefId { . match self.opt_parent(id) { . Some(id) => id, . // not `unwrap_or_else` to avoid breaking caller tracking -- line 485 ---------------------------------------- -- line 490 ---------------------------------------- . #[inline] . #[track_caller] . pub fn opt_local_parent(self, id: LocalDefId) -> Option { . self.opt_parent(id.to_def_id()).map(DefId::expect_local) . } . . #[inline] . #[track_caller] 504 ( 0.00%) pub fn local_parent(self, id: impl Into) -> LocalDefId { . self.parent(id.into().to_def_id()).expect_local() 189 ( 0.00%) } . . /// Compare def-ids based on their position in def-id tree, ancestor def-ids are considered . /// larger than descendant def-ids, and two different def-ids are considered unordered if . /// neither of them is an ancestor of the other. . fn def_id_partial_cmp(self, lhs: DefId, rhs: DefId) -> Option { . // Def-ids from different crates are always unordered. . if lhs.krate != rhs.krate { . return None; -- line 508 ---------------------------------------- -- line 536 ---------------------------------------- . self.def_id_partial_cmp(descendant.into(), ancestor.into()), . Some(Ordering::Less | Ordering::Equal) . ) . } . } . . impl Visibility { . pub fn is_public(self) -> bool { 445 ( 0.00%) matches!(self, Visibility::Public) . } . . pub fn map_id(self, f: impl FnOnce(Id) -> OutId) -> Visibility { . match self { . Visibility::Public => Visibility::Public, . Visibility::Restricted(id) => Visibility::Restricted(f(id)), . } . } -- line 552 ---------------------------------------- -- line 635 ---------------------------------------- . // the types of AST nodes. . #[derive(Copy, Clone, PartialEq, Eq, Hash)] . pub struct CReaderCacheKey { . pub cnum: Option, . pub pos: usize, . } . . /// Use this rather than `TyKind`, whenever possible. 21 ( 0.00%) #[derive(Copy, Clone, PartialEq, Eq, Hash, StableHash)] . #[rustc_diagnostic_item = "Ty"] . #[rustc_pass_by_value] . pub struct Ty<'tcx>(Interned<'tcx, WithCachedTypeInfo>>); . . impl<'tcx> rustc_type_ir::inherent::IntoKind for Ty<'tcx> { . type Kind = TyKind<'tcx>; . . fn kind(self) -> TyKind<'tcx> { 1,113 ( 0.00%) *self.kind() . } . } . . impl<'tcx> rustc_type_ir::Flags for Ty<'tcx> { . fn flags(&self) -> TypeFlags { 700,608 ( 0.01%) self.0.flags . } . . fn outer_exclusive_binder(&self) -> DebruijnIndex { . self.0.outer_exclusive_binder . } . } . . /// The crate outlives map is computed during typeck and contains the -- line 666 ---------------------------------------- -- line 771 ---------------------------------------- . res.pack() . } . } . . impl<'tcx> Term<'tcx> { . #[inline] . pub fn kind(self) -> TermKind<'tcx> { . let ptr = 228 ( 0.00%) unsafe { self.ptr.map_addr(|addr| NonZero::new_unchecked(addr.get() & !TAG_MASK)) }; . // SAFETY: use of `Interned::new_unchecked` here is ok because these . // pointers were originally created from `Interned` types in `pack()`, . // and this is just going in the other direction. . unsafe { 394 ( 0.00%) match self.ptr.addr().get() & TAG_MASK { . TYPE_TAG => TermKind::Ty(Ty(Interned::new_unchecked( . ptr.cast::>>().as_ref(), . ))), . CONST_TAG => TermKind::Const(ty::Const(Interned::new_unchecked( . ptr.cast::>>().as_ref(), . ))), . _ => core::intrinsics::unreachable(), . } -- line 792 ---------------------------------------- -- line 1211 ---------------------------------------- . /// Most of the time you only need to care about the `ParamEnv` . /// as the `TypingMode` is simply stored in the `InferCtxt`. . /// . /// However, there are some places which rely on trait solving . /// without using an `InferCtxt` themselves. For these to be . /// able to use the trait system they have to be able to initialize . /// such an `InferCtxt` with the right `typing_mode`, so they need . /// to track both. 267 ( 0.00%) #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, StableHash)] . #[derive(TypeVisitable, TypeFoldable)] . pub struct TypingEnv<'tcx> { . #[type_foldable(identity)] . #[type_visitable(ignore)] . typing_mode: TypingModeEqWrapper<'tcx>, . pub param_env: ParamEnv<'tcx>, . } . . impl<'tcx> TypingEnv<'tcx> { . pub fn new(param_env: ParamEnv<'tcx>, typing_mode: TypingMode<'tcx>) -> Self { 1,028 ( 0.00%) Self { typing_mode: TypingModeEqWrapper(typing_mode), param_env } . } . . pub fn typing_mode(&self) -> TypingMode<'tcx> { . self.typing_mode.0 . } . . /// Create a typing environment with no where-clauses in scope . /// where all opaque types and default associated items are revealed. -- line 1238 ---------------------------------------- -- line 1245 ---------------------------------------- . Self::new(ParamEnv::empty(), TypingMode::Codegen) . } . . /// Create a typing environment for use during analysis outside of a body. . /// . /// Using a typing environment inside of bodies is not supported as the body . /// may define opaque types. In this case the used functions have to be . /// converted to use proper canonical inputs instead. 3,316 ( 0.00%) pub fn non_body_analysis( . tcx: TyCtxt<'tcx>, . def_id: impl IntoQueryKey, . ) -> TypingEnv<'tcx> { . let def_id = def_id.into_query_key(); . Self::new(tcx.param_env(def_id), TypingMode::non_body_analysis()) 2,300 ( 0.00%) } . . /// Ideally we just use `TypingMode::PostTypeckUntilBorrowck`. . /// But that's not compatible with the old solver yet. . /// . /// FIXME: this should not be needed in the long term. . pub fn post_typeck_until_borrowck_for_mir_build( . tcx: TyCtxt<'tcx>, . def_id: LocalDefId, -- line 1267 ---------------------------------------- -- line 1333 ---------------------------------------- . // canonical queries in the trait solver, at which point we can readd this assert. . // . // As of writing this comment, this is only used when normalizing consts that mention . // params. . /* debug_assert!( . !value.has_placeholders(), . "{value:?} which has placeholder shouldn't be pseudo-canonicalized" . ); */ 604 ( 0.00%) PseudoCanonicalInput { typing_env: self, value } . } . } . . /// Similar to `CanonicalInput`, this carries the `typing_mode` and the environment . /// necessary to do any kind of trait solving inside of nested queries. . /// . /// Unlike proper canonicalization, this requires the `param_env` and the `value` to not . /// contain anything local to the `infcx` of the caller, so we don't actually canonicalize . /// anything. . /// . /// This should be created by using `infcx.pseudo_canonicalize_query(param_env, value)` . /// or by using `typing_env.as_query_input(value)`. . #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] . #[derive(StableHash, TypeVisitable, TypeFoldable)] . pub struct PseudoCanonicalInput<'tcx, T> { 89 ( 0.00%) pub typing_env: TypingEnv<'tcx>, 4 ( 0.00%) pub value: T, . } . . #[derive(Copy, Clone, Debug, StableHash, Encodable, Decodable)] . pub struct Destructor { . /// The `DefId` of the destructor method . pub did: DefId, . } . -- line 1366 ---------------------------------------- -- line 1477 ---------------------------------------- . . #[inline] . pub fn ctor_kind(&self) -> Option { . self.ctor.map(|(kind, _)| kind) . } . . #[inline] . pub fn ctor_def_id(&self) -> Option { 835 ( 0.00%) self.ctor.map(|(_, def_id)| def_id) . } . . /// Returns the one field in this variant. . /// . /// `panic!`s if there are no fields or multiple fields. . #[inline] . pub fn single_field(&self) -> &FieldDef { . assert!(self.fields.len() == 1); -- line 1493 ---------------------------------------- -- line 1790 ---------------------------------------- . pack: min_pack, . flags, . field_shuffle_seed, . scalable: elt, . } . } . . /// Look up the name of a definition across crates. This does not look at HIR. 8,029 ( 0.00%) pub fn opt_item_name(self, def_id: impl IntoQueryKey) -> Option { . let def_id = def_id.into_query_key(); . if let Some(cnum) = def_id.as_crate_root() { . Some(self.crate_name(cnum)) . } else { 3,441 ( 0.00%) let def_key = self.def_key(def_id); 88,240 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/context.rs:::def_key:: (1,147x) 6,882 ( 0.00%) match def_key.disambiguated_data.data { . // The name of a constructor is that of its parent. . rustc_hir::definitions::DefPathData::Ctor => self . .opt_item_name(DefId { krate: def_id.krate, index: def_key.parent.unwrap() }), . _ => def_key.get_opt_name(), . } . } 6,882 ( 0.00%) } . . /// Look up the name of a definition across crates. This does not look at HIR. . /// . /// This method will ICE if the corresponding item does not have a name. In these cases, use . /// [`opt_item_name`] instead. . /// . /// [`opt_item_name`]: Self::opt_item_name . pub fn item_name(self, id: impl IntoQueryKey) -> Symbol { . let id = id.into_query_key(); 3,418 ( 0.00%) self.opt_item_name(id).unwrap_or_else(|| { 1,536 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/mod.rs:::opt_item_name:: (12x) . bug!("item_name: no name for {:?}", self.def_path(id)); . }) . } . . /// Look up the name and span of a definition. . /// . /// See [`item_name`][Self::item_name] for more information. . pub fn opt_item_ident(self, def_id: impl IntoQueryKey) -> Option { -- line 1829 ---------------------------------------- -- line 1987 ---------------------------------------- . /// Gets all attributes with the given name. . #[deprecated = "Though there are valid usecases for this method, especially when your attribute is not a parsed attribute, usually you want to call rustc_hir::find_attr! instead."] . pub fn get_attrs( . self, . did: impl Into, . attr: Symbol, . ) -> impl Iterator { . #[expect(deprecated)] 844 ( 0.00%) self.get_all_attrs(did).iter().filter(move |a: &&hir::Attribute| a.has_name(attr)) 42,841 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/mod.rs:::get_all_attrs:: (422x) . } . . /// Gets all attributes. . /// . /// To see if an item has a specific attribute, you should use . /// [`rustc_hir::find_attr!`] so you can use matching. . #[deprecated = "Though there are valid usecases for this method, especially when your attribute is not a parsed attribute, usually you want to call rustc_hir::find_attr! instead."] 6,705 ( 0.00%) pub fn get_all_attrs(self, did: impl Into) -> &'tcx [hir::Attribute] { . let did: DefId = did.into(); . if let Some(did) = did.as_local() { 1,440 ( 0.00%) self.hir_attrs(self.local_def_id_to_hir_id(did)) 2,436 ( 0.00%) => ???:::hir_attrs (58x) . } else { . self.attrs_for_def(did) . } 5,960 ( 0.00%) } . . pub fn get_attrs_by_path( . self, . did: DefId, . attr: &[Symbol], . ) -> impl Iterator { . let filter_fn = move |a: &&hir::Attribute| a.path_matches(attr); . if let Some(did) = did.as_local() { -- line 2018 ---------------------------------------- -- line 2148 ---------------------------------------- . let parent = self.parent(def_id); . let def_kind = self.def_kind(parent); . Some((parent, def_kind)) . } . . /// Returns the trait item that is implemented by the given item `DefId`. . pub fn trait_item_of(self, def_id: impl IntoQueryKey) -> Option { . let def_id = def_id.into_query_key(); 80 ( 0.00%) self.opt_associated_item(def_id)?.trait_item_def_id() 1,940 ( 0.00%) => ???:::opt_associated_item (20x) . } . . /// If the given `DefId` is an associated item of a trait, . /// returns the `DefId` of the trait; otherwise, returns `None`. . pub fn trait_of_assoc(self, def_id: DefId) -> Option { . match self.assoc_parent(def_id) { . Some((id, DefKind::Trait)) => Some(id), . _ => None, -- line 2164 ---------------------------------------- -- line 2201 ---------------------------------------- . } . . pub fn impl_polarity(self, def_id: impl IntoQueryKey) -> ty::ImplPolarity { . let def_id = def_id.into_query_key(); . self.impl_trait_header(def_id).polarity . } . . /// Given an `impl_id`, return the trait it implements. 624 ( 0.00%) pub fn impl_trait_ref( . self, . def_id: impl IntoQueryKey, . ) -> ty::EarlyBinder<'tcx, ty::TraitRef<'tcx>> { . let def_id = def_id.into_query_key(); 132 ( 0.00%) self.impl_trait_header(def_id).trait_ref 472 ( 0.00%) } . . /// Given an `impl_id`, return the trait it implements. . /// Returns `None` if it is an inherent impl. . pub fn impl_opt_trait_ref( . self, . def_id: impl IntoQueryKey, . ) -> Option>> { . let def_id = def_id.into_query_key(); . self.impl_is_of_trait(def_id).then(|| self.impl_trait_ref(def_id)) . } . . /// Given the `DefId` of an impl, returns the `DefId` of the trait it implements. . pub fn impl_trait_id(self, def_id: impl IntoQueryKey) -> DefId { . let def_id = def_id.into_query_key(); 114 ( 0.00%) self.impl_trait_ref(def_id).skip_binder().def_id 2,128 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/ty/mod.rs:::impl_trait_ref:: (38x) . } . . /// Given the `DefId` of an impl, returns the `DefId` of the trait it implements. . /// Returns `None` if it is an inherent impl. . pub fn impl_opt_trait_id(self, def_id: impl IntoQueryKey) -> Option { . let def_id = def_id.into_query_key(); . self.impl_is_of_trait(def_id).then(|| self.impl_trait_id(def_id)) . } -- line 2238 ---------------------------------------- -- line 2305 ---------------------------------------- . } . . /// Checks whether this is a `const fn`. Returns `false` for non-functions. . /// . /// Even if this returns `true`, constness may still be unstable! . #[inline] . pub fn is_const_fn(self, def_id: impl IntoQueryKey) -> bool { . let def_id = def_id.into_query_key(); 48 ( 0.00%) matches!( 24 ( 0.00%) self.def_kind(def_id), . DefKind::Fn | DefKind::AssocFn | DefKind::Ctor(_, CtorKind::Fn) | DefKind::Closure 12 ( 0.00%) ) && matches!(self.constness(def_id), hir::Constness::Const { .. }) . } . . /// Whether this item is conditionally constant for the purposes of the . /// effects implementation. . /// . /// This roughly corresponds to all const functions and other callable . /// items, along with const impls and traits, and associated types within . /// those impls and traits. -- line 2324 ---------------------------------------- 581 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_main_separator_str.rs -------------------------------------------------------------------------------- Ir -- line 41 ---------------------------------------- . . impl ManualMainSeparatorStr { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl LateLintPass<'_> for ManualMainSeparatorStr { 520,450 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { 104,090 ( 0.00%) let (target, _) = peel_hir_expr_refs(expr); 329,169 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::peel_hir_expr_refs (52,045x) 108,429 ( 0.00%) if let ExprKind::MethodCall(path, receiver, &[], _) = target.kind 1,086 ( 0.00%) && path.ident.name == sym::to_string 46 ( 0.00%) && let ExprKind::Path(QPath::Resolved(None, path)) = receiver.kind 8 ( 0.00%) && let Res::Def(DefKind::Const { .. }, receiver_def_id) = path.res . && cx.ty_based_def(target).opt_parent(cx).is_diag_item(cx, sym::ToString) . && cx.tcx.is_diagnostic_item(sym::path_main_separator, receiver_def_id) . && let ty::Ref(_, ty, Mutability::Not) = cx.typeck_results().expr_ty_adjusted(expr).kind() . && ty.is_str() . && self.msrv.meets(cx, msrvs::PATH_MAIN_SEPARATOR_STR) . { . span_lint_and_sugg( . cx, -- line 62 ---------------------------------------- -- line 63 ---------------------------------------- . MANUAL_MAIN_SEPARATOR_STR, . expr.span, . "taking a reference on `std::path::MAIN_SEPARATOR` conversion to `String`", . "replace with", . "std::path::MAIN_SEPARATOR_STR".to_owned(), . Applicability::MachineApplicable, . ); . } 416,360 ( 0.01%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/octal_escapes.rs -------------------------------------------------------------------------------- Ir -- line 45 ---------------------------------------- . pub OCTAL_ESCAPES, . suspicious, . "string escape sequences looking like octal characters" . } . . declare_lint_pass!(OctalEscapes => [OCTAL_ESCAPES]); . . impl EarlyLintPass for OctalEscapes { 345,730 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 98,780 ( 0.00%) if let ExprKind::Lit(lit) = &expr.kind . // The number of bytes from the start of the token to the start of literal's text. 11,024 ( 0.00%) && let start_offset = BytePos::from_u32(match lit.kind { . LitKind::Str => 1, . LitKind::ByteStr | LitKind::CStr => 2, . _ => return, . }) 9,246 ( 0.00%) && !expr.span.in_external_macro(cx.sess().source_map()) . { . let s = lit.symbol.as_str(); . let mut iter = s.as_bytes().iter(); 8,026 ( 0.00%) while let Some(&c) = iter.next() { 16,136 ( 0.00%) if c == b'\\' . // Always move the iterator to read the escape char. 168 ( 0.00%) && let Some(b'0') = iter.next() . { . // C-style octal escapes read from one to three characters. . // The first character (`0`) has already been read. . let (tail, len, c_hi, c_lo) = match *iter.as_slice() { . [c_hi @ b'0'..=b'7', c_lo @ b'0'..=b'7', ref tail @ ..] => (tail, 4, c_hi, c_lo), . [c_lo @ b'0'..=b'7', ref tail @ ..] => (tail, 3, b'0', c_lo), . _ => continue, . }; -- line 76 ---------------------------------------- -- line 107 ---------------------------------------- . ); . }); . } else { . break; . } . } . } . } 395,120 ( 0.01%) } . } 9,903 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/redundant_locals.rs -------------------------------------------------------------------------------- Ir -- line 42 ---------------------------------------- . pub REDUNDANT_LOCALS, . suspicious, . "redundant redefinition of a local binding" . } . . declare_lint_pass!(RedundantLocals => [REDUNDANT_LOCALS]); . . impl<'tcx> LateLintPass<'tcx> for RedundantLocals { 19,368 ( 0.00%) fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx LetStmt<'tcx>) { 12,912 ( 0.00%) if !local.span.is_desugaring(DesugaringKind::Async) 208,212 ( 0.00%) => ???:::is_desugaring (2,152x) . // the pattern is a single by-value binding 24,006 ( 0.00%) && let PatKind::Binding(BindingMode(ByRef::No, mutability), _, ident, None) = local.pat.kind . // the binding is not type-ascribed 1,950 ( 0.00%) && local.ty.is_none() . // the expression is a resolved path 5,706 ( 0.00%) && let Some(expr) = local.init 4,490 ( 0.00%) && let ExprKind::Path(qpath @ QPath::Resolved(None, path)) = expr.kind . // the path is a single segment equal to the local's name 143 ( 0.00%) && let [last_segment] = path.segments . && last_segment.ident == ident . // resolve the path to its defining binding pattern . && let Res::Local(binding_id) = cx.qpath_res(&qpath, expr.hir_id) . && let Node::Pat(binding_pat) = cx.tcx.hir_node(binding_id) . // the previous binding has the same mutability . && find_binding(binding_pat, ident).is_some_and(|bind| bind.1 == mutability) . // the local does not change the effect of assignments to the binding. see #11290 . && !affects_assignments(cx, mutability, binding_id, local.hir_id) -- line 68 ---------------------------------------- -- line 77 ---------------------------------------- . cx, . REDUNDANT_LOCALS, . local.span, . format!("redundant redefinition of a binding `{ident}`"), . Some(binding_pat.span), . format!("`{ident}` is initially defined here"), . ); . } 17,216 ( 0.00%) } . } . . /// Checks if the enclosing body is a closure and if the given local is captured by value. . /// . /// In those cases, the redefinition may be necessary to force a move: . /// ``` . /// fn assert_static(_: T) {} . /// -- line 93 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/borrow_deref_ref.rs -------------------------------------------------------------------------------- Ir -- line 46 ---------------------------------------- . pub BORROW_DEREF_REF, . complexity, . "deref on an immutable reference returns the same type as itself" . } . . declare_lint_pass!(BorrowDerefRef => [BORROW_DEREF_REF]); . . impl<'tcx> LateLintPass<'tcx> for BorrowDerefRef { 312,270 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'tcx>) { 139,903 ( 0.00%) if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, addrof_target) = e.kind 2,682 ( 0.00%) && let ExprKind::Unary(UnOp::Deref, deref_target) = addrof_target.kind . && !matches!(deref_target.kind, ExprKind::Unary(UnOp::Deref, ..)) . && !e.span.from_expansion() . && !deref_target.span.from_expansion() . && !addrof_target.span.from_expansion() . && let ref_ty = cx.typeck_results().expr_ty(deref_target) . && let ty::Ref(_, inner_ty, Mutability::Not) = ref_ty.kind() . && get_parent_expr(cx, e).is_none_or(|parent| { . match parent.kind { -- line 64 ---------------------------------------- -- line 119 ---------------------------------------- . e.span, . "if you would like to deref, try using `&**`", . format!("&**{deref_text}"), . Applicability::MaybeIncorrect, . ); . }, . ); . } 364,315 ( 0.01%) } . } . . /// Checks if `expr` is used as part of a `let` statement containing a `ref mut` binding. . fn potentially_bound_to_mutable_ref<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> bool { . matches!(cx.tcx.parent_hir_node(expr.hir_id), Node::LetStmt(let_stmt) . if let_stmt.pat.contains_explicit_ref_binding() == Some(Mutability::Mut)) . } 8,618 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/edition.rs -------------------------------------------------------------------------------- Ir . use std::fmt; . use std::str::FromStr; . . use rustc_macros::{BlobDecodable, Encodable, StableHash}; . . /// The edition of the compiler. (See [RFC 2052](https://github.com/rust-lang/rfcs/blob/master/text/2052-epochs.md).) 858,360 ( 0.02%) #[derive(Clone, Copy, Hash, PartialEq, PartialOrd, Debug, Encodable, BlobDecodable, Eq)] . #[derive(StableHash)] . pub enum Edition { . // When adding new editions, be sure to do the following: . // . // - update the `ALL_EDITIONS` const . // - update the `EDITION_NAME_LIST` const . // - add a `rust_####()` function to the session . // - update the enum in Cargo's sources as well -- line 15 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs -------------------------------------------------------------------------------- Ir -- line 61 ---------------------------------------- . pub struct Map { . // Used for `SplitWhitespace` and `SplitAsciiWhitespace` `as_str` methods . pub(crate) iter: I, . f: F, . } . . impl Map { . pub(in crate::iter) const fn new(iter: I, f: F) -> Map { 266,281 ( 0.00%) Map { iter, f } . } . . pub(crate) fn into_inner(self) -> I { . self.iter . } . } . . #[stable(feature = "core_impl_debug", since = "1.9.0")] -- line 77 ---------------------------------------- -- line 80 ---------------------------------------- . f.debug_struct("Map").field("iter", &self.iter).finish() . } . } . . fn map_fold( . mut f: impl FnMut(T) -> B, . mut g: impl FnMut(Acc, B) -> Acc, . ) -> impl FnMut(Acc, T) -> Acc { 125 ( 0.00%) move |acc, elt| g(acc, f(elt)) . } . . fn map_try_fold<'a, T, B, Acc, R>( . f: &'a mut impl FnMut(T) -> B, . mut g: impl FnMut(Acc, B) -> R + 'a, . ) -> impl FnMut(Acc, T) -> R + 'a { 538,468 ( 0.01%) move |acc, elt| g(acc, f(elt)) 1,194 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:<&mut core::iter::traits::iterator::Iterator::find_map::check<&rustc_middle::ty::assoc::AssocItem, rustc_span::def_id::DefId, clippy_lints::methods::or_fun_call::check_unwrap_or_default::{closure#2}::{closure#1}>::{closure#0} as core::ops::function::FnMut<((), &rustc_middle::ty::assoc::AssocItem)>>::call_mut (3x) . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl Iterator for Map . where . F: FnMut(I::Item) -> B, . { . type Item = B; . . #[inline] 2,442 ( 0.00%) fn next(&mut self) -> Option { 192,141 ( 0.00%) self.iter.next().map(&mut self.f) 39,732 ( 0.00%) => ???:::next (623x) 2,094 ( 0.00%) } . . #[inline] . fn size_hint(&self) -> (usize, Option) { . self.iter.size_hint() . } . 521,823 ( 0.01%) fn try_fold(&mut self, init: Acc, g: G) -> R . where . Self: Sized, . G: FnMut(Acc, Self::Item) -> R, . R: Try, . { 402 ( 0.00%) self.iter.try_fold(init, map_try_fold(&mut self.f, g)) 20,150 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:, rustc_middle::ty::assoc::AssocItem)>, , rustc_middle::ty::assoc::AssocItem>>::iter::{closure#0}> as core::iter::traits::iterator::Iterator>::try_fold::<(), core::iter::adapters::map::map_try_fold<(&core::option::Option, &rustc_middle::ty::assoc::AssocItem), &rustc_middle::ty::assoc::AssocItem, (), core::ops::control_flow::ControlFlow<()>, ::in_definition_order::{closure#0}, core::iter::traits::iterator::Iterator::any::check<&rustc_middle::ty::assoc::AssocItem, clippy_lints::needless_borrows_for_generic_args::has_ref_mut_self_method::{closure#0}>::{closure#0}>::{closure#0}, core::ops::control_flow::ControlFlow<()>> (100x) 417,348 ( 0.01%) } . 6,169 ( 0.00%) fn fold(self, init: Acc, g: G) -> Acc . where . G: FnMut(Acc, Self::Item) -> Acc, . { 131 ( 0.00%) self.iter.fold(init, map_fold(self.f, g)) 5,776 ( 0.00%) } . . #[inline] . unsafe fn __iterator_get_unchecked(&mut self, idx: usize) -> B . where . Self: TrustedRandomAccessNoCoerce, . { . // SAFETY: the caller must uphold the contract for . // `Iterator::__iterator_get_unchecked`. -- line 137 ---------------------------------------- 365,574 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/legacy_numeric_constants.rs -------------------------------------------------------------------------------- Ir -- line 46 ---------------------------------------- . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for LegacyNumericConstants { . fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { . // Integer modules are "TBD" deprecated, and the contents are too, . // so lint on the `use` statement directly. 3,240 ( 0.00%) if let ItemKind::Use(path, kind @ (UseKind::Single(_) | UseKind::Glob)) = item.kind 984 ( 0.00%) && !item.span.in_external_macro(cx.sess().source_map()) . // use `present_items` because it could be in either type_ns or value_ns 2,539 ( 0.00%) && let Some(res) = path.res.present_items().next() 364 ( 0.00%) && let Some(def_id) = res.opt_def_id() 910 ( 0.00%) && self.msrv.meets(cx, msrvs::NUMERIC_ASSOCIATED_CONSTANTS) 4,914 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (182x) . { . let module = if is_integer_module(cx, def_id) { . true 1,092 ( 0.00%) } else if is_numeric_const(cx, def_id) { 10,652 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/legacy_numeric_constants.rs:clippy_lints::legacy_numeric_constants::is_numeric_const (182x) . false . } else { . return; . }; . . span_lint_and_then( . cx, . LEGACY_NUMERIC_CONSTANTS, -- line 71 ---------------------------------------- -- line 96 ---------------------------------------- . } else if let [.., module_name, name] = &*def_path { . diag.help( . format!("remove this import and use the associated constant `{module_name}::{name}` from the primitive type instead") . ); . } . }, . ); . } 598 ( 0.00%) } . 520,450 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx rustc_hir::Expr<'tcx>) { . // `std::::` check 245,317 ( 0.00%) let (sugg, msg) = if let ExprKind::Path(qpath) = &expr.kind . && let QPath::Resolved(None, path) = qpath 21,306 ( 0.00%) && let Some(def_id) = path.res.opt_def_id() 59,808 ( 0.00%) && is_numeric_const(cx, def_id) 484,715 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/legacy_numeric_constants.rs:clippy_lints::legacy_numeric_constants::is_numeric_const (8,544x) . && let [.., mod_name, name] = &*cx.get_def_path(def_id) . // Skip linting if this usage looks identical to the associated constant, . // since this would only require removing a `use` import (which is already linted). . && !is_numeric_const_path_canonical(path, [*mod_name, *name]) . { . (format!("{mod_name}::{name}"), "usage of a legacy numeric constant") . // `::xxx_value` check 80,436 ( 0.00%) } else if let ExprKind::Call(func, []) = &expr.kind 2,106 ( 0.00%) && let ExprKind::Path(qpath) = &func.kind 2,106 ( 0.00%) && let QPath::TypeRelative(ty, last_segment) = qpath 5,245 ( 0.00%) && let Some(def_id) = cx.qpath_res(qpath, func.hir_id).opt_def_id() 81,898 ( 0.00%) => ???:::qpath_res (1,049x) 1,049 ( 0.00%) && is_integer_method(cx, def_id) . && let Some(mod_name) = ty.span.get_text(cx) . && ty.span.eq_ctxt(last_segment.ident.span) . { . let name = last_segment.ident.name.as_str()[..=2].to_ascii_uppercase(); . (format!("{mod_name}::{name}"), "usage of a legacy numeric method") . } else { . return; . }; -- line 131 ---------------------------------------- -- line 138 ---------------------------------------- . diag.span_suggestion_verbose( . expr.span, . "use the associated constant instead", . sugg, . Applicability::MaybeIncorrect, . ); . }); . } 416,360 ( 0.01%) } . } . . fn is_integer_module(cx: &LateContext<'_>, did: DefId) -> bool { 910 ( 0.00%) matches!( 910 ( 0.00%) cx.tcx.get_diagnostic_name(did), 8,468 ( 0.00%) => ???:::get_diagnostic_name (182x) . Some( . sym::isize_legacy_mod . | sym::i128_legacy_mod . | sym::i64_legacy_mod . | sym::i32_legacy_mod . | sym::i16_legacy_mod . | sym::i8_legacy_mod . | sym::usize_legacy_mod -- line 159 ---------------------------------------- -- line 161 ---------------------------------------- . | sym::u64_legacy_mod . | sym::u32_legacy_mod . | sym::u16_legacy_mod . | sym::u8_legacy_mod . ) . ) . } . 8,726 ( 0.00%) fn is_numeric_const(cx: &LateContext<'_>, did: DefId) -> bool { 52,368 ( 0.00%) matches!( 26,178 ( 0.00%) cx.tcx.get_diagnostic_name(did), 390,639 ( 0.01%) => ???:::get_diagnostic_name (8,726x) . Some( . sym::isize_legacy_const_max . | sym::isize_legacy_const_min . | sym::i128_legacy_const_max . | sym::i128_legacy_const_min . | sym::i16_legacy_const_max . | sym::i16_legacy_const_min . | sym::i32_legacy_const_max -- line 179 ---------------------------------------- -- line 219 ---------------------------------------- . | sym::f64_legacy_const_min_10_exp . | sym::f64_legacy_const_min_exp . | sym::f64_legacy_const_min_positive . | sym::f64_legacy_const_nan . | sym::f64_legacy_const_neg_infinity . | sym::f64_legacy_const_radix . ) . ) 17,452 ( 0.00%) } . . // Whether path expression looks like `i32::MAX` . fn is_numeric_const_path_canonical(expr_path: &hir::Path<'_>, [mod_name, name]: [Symbol; 2]) -> bool { . let [ . hir::PathSegment { . ident: one, args: None, .. . }, . hir::PathSegment { -- line 235 ---------------------------------------- -- line 239 ---------------------------------------- . else { . return false; . }; . . one.name == mod_name && two.name == name . } . . fn is_integer_method(cx: &LateContext<'_>, did: DefId) -> bool { 3,147 ( 0.00%) matches!( 2,098 ( 0.00%) cx.tcx.get_diagnostic_name(did), 46,252 ( 0.00%) => ???:::get_diagnostic_name (1,049x) . Some( . sym::isize_legacy_fn_max_value . | sym::isize_legacy_fn_min_value . | sym::i128_legacy_fn_max_value . | sym::i128_legacy_fn_min_value . | sym::i16_legacy_fn_max_value . | sym::i16_legacy_fn_min_value . | sym::i32_legacy_fn_max_value -- line 256 ---------------------------------------- 59,696 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_resolve/src/rustdoc.rs -------------------------------------------------------------------------------- Ir -- line 199 ---------------------------------------- . . pub fn attrs_to_doc_fragments<'a, A: AttributeExt + Clone + 'a>( . attrs: impl Iterator)>, . doc_only: bool, . ) -> (Vec, ThinVec) { . let (min_size, max_size) = attrs.size_hint(); . let size_hint = max_size.unwrap_or(min_size); . let mut doc_fragments = Vec::with_capacity(size_hint); 135,032 ( 0.00%) let mut other_attrs = ThinVec::::with_capacity(if doc_only { 0 } else { size_hint }); . for (attr, item_id) in attrs { . if let Some((doc_str, fragment_kind)) = attr.doc_str_and_fragment_kind() { 468 ( 0.00%) let doc = beautify_doc_string(doc_str, fragment_kind.comment_kind()); 19,704 ( 0.00%) => ???:rustc_ast::util::comments::beautify_doc_string (156x) 624 ( 0.00%) let attr_span = attr.span(); 312 ( 0.00%) let (span, from_expansion) = match fragment_kind { . DocFragmentKind::Sugared(_) => (attr_span, attr_span.from_expansion()), . DocFragmentKind::Raw(value_span) => { . (value_span.with_ctxt(attr_span.ctxt()), value_span.from_expansion()) . } . }; . let fragment = . DocFragment { span, doc, kind: fragment_kind, item_id, indent: 0, from_expansion }; . doc_fragments.push(fragment); -- line 220 ---------------------------------------- -- line 221 ---------------------------------------- . } else if !doc_only { . other_attrs.push(attr.clone()); . } . } . . doc_fragments.shrink_to_fit(); . other_attrs.shrink_to_fit(); . 67,129 ( 0.00%) unindent_doc_fragments(&mut doc_fragments); 1,513,531 ( 0.03%) => ???:rustc_resolve::rustdoc::unindent_doc_fragments (67,129x) . 402,774 ( 0.01%) (doc_fragments, other_attrs) . } . . /// Return the doc-comments on this item, grouped by the module they came from. . /// The module can be different if this is a re-export with added documentation. . /// . /// The last newline is not trimmed so the produced strings are reusable between . /// early and late doc link resolution regardless of their position. . pub fn prepare_to_doc_link_resolution( -- line 239 ---------------------------------------- 1,086 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/cell.rs -------------------------------------------------------------------------------- Ir -- line 550 ---------------------------------------- . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_cell", since = "1.88.0")] . #[rustc_should_not_be_called_on_const_items] . pub const fn get(&self) -> T { . // SAFETY: This can cause data races if called from a separate thread, . // but `Cell` is `!Sync` so this won't happen. 404,995 ( 0.01%) unsafe { *self.value.get() } . } . . /// Updates the contained value using a function. . /// . /// # Examples . /// . /// ``` . /// use std::cell::Cell; -- line 566 ---------------------------------------- -- line 2050 ---------------------------------------- . } . . #[rustc_const_unstable(feature = "const_ref_cell", issue = "137844")] . const impl Drop for BorrowRefMut<'_> { . #[inline] . fn drop(&mut self) { . let borrow = self.borrow.get(); . debug_assert!(is_writing(borrow)); 64 ( 0.00%) self.borrow.replace(borrow + 1); . } . } . . impl<'b> BorrowRefMut<'b> { . #[inline] . const fn new(borrow: &'b Cell) -> Option> { . // NOTE: Unlike BorrowRefMut::clone, new is called to create the initial . // mutable reference, and so there must currently be no existing . // references. Thus, while clone increments the mutable refcount, here . // we explicitly only allow going from UNUSED to UNUSED - 1. 2,392 ( 0.00%) match borrow.get() { . UNUSED => { . borrow.replace(UNUSED - 1); . Some(BorrowRefMut { borrow }) . } . _ => None, . } . } . -- line 2077 ---------------------------------------- 43,821 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/ineffective_open_options.rs -------------------------------------------------------------------------------- Ir -- line 38 ---------------------------------------- . pub INEFFECTIVE_OPEN_OPTIONS, . suspicious, . "usage of both `write(true)` and `append(true)` on same `OpenOptions`" . } . . declare_lint_pass!(IneffectiveOpenOptions => [INEFFECTIVE_OPEN_OPTIONS]); . . impl<'tcx> LateLintPass<'tcx> for IneffectiveOpenOptions { 208,180 ( 0.00%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 107,667 ( 0.00%) if let ExprKind::MethodCall(name, recv, [_], _) = expr.kind 389 ( 0.00%) && name.ident.name == sym::open . && !expr.span.from_expansion() . && cx . .typeck_results() . .expr_ty(recv) . .peel_refs() . .is_diag_item(cx, sym::FsOpenOptions) . { . let mut append = false; -- line 56 ---------------------------------------- -- line 94 ---------------------------------------- . write_span, . "unnecessary use of `.write(true)` because there is `.append(true)`", . "remove `.write(true)`", . String::new(), . Applicability::MachineApplicable, . ); . } . } 208,180 ( 0.00%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/single_range_in_vec_init.rs -------------------------------------------------------------------------------- Ir -- line 65 ---------------------------------------- . } else { . write!(f, "an array") . } . } . } . . impl LateLintPass<'_> for SingleRangeInVecInit { . #[expect(clippy::too_many_lines)] 468,405 ( 0.01%) fn check_expr<'tcx>(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { . // inner_expr: `vec![0..200]` or `[0..200]` . // ^^^^^^ ^^^^^^^ . // span: `vec![0..200]` or `[0..200]` . // ^^^^^^^^^^^^ ^^^^^^^^ . // suggested_type: What to print, "an array" or "a `Vec`" 104,267 ( 0.00%) let (inner_expr, span, suggested_type) = if let ExprKind::Array([inner_expr]) = expr.kind 86 ( 0.00%) && !expr.span.from_expansion() . { 2 ( 0.00%) (inner_expr, expr.span, SuggestedType::Array) 1,168 ( 0.00%) } else if let Some(macro_call) = root_macro_call_first_node(cx, expr) 1,954 ( 0.00%) && let Some(VecArgs::Vec([expr])) = VecArgs::hir(cx, expr) 28,016 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (388x) . { . (expr, macro_call.span, SuggestedType::Vec) . } else { . return; . }; . 36 ( 0.00%) let Some(range) = Range::hir(cx, inner_expr) else { 330 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (6x) . return; . }; . . let Some(snippet) = span.get_text(cx) else { . return; . }; . // `is_from_proc_macro` will skip any `vec![]`. Let's not! . if !snippet.starts_with(suggested_type.starts_with()) || !snippet.ends_with(suggested_type.ends_with()) { -- line 99 ---------------------------------------- -- line 188 ---------------------------------------- . format!("if you wanted {suggested_type} of len {end_snippet}, try"), . format!("{start_snippet}; {end_snippet}"), . applicability, . ); . } . } . }, . ); 416,360 ( 0.01%) } . } 400 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/format.rs -------------------------------------------------------------------------------- Ir -- line 47 ---------------------------------------- . . impl UselessFormat { . pub fn new(format_args: FormatArgsStorage) -> Self { . Self { format_args } . } . } . . impl<'tcx> LateLintPass<'tcx> for UselessFormat { 520,450 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { . // Loosened from `root_macro_call_first_node` so the lint also fires when `format!` is . // the tail of a block emitted by another macro. The `!= macro_call.expn` check filters . // HIR nodes inside `format!`'s own expansion (its outer block's tail, its nested . // `format_args!`), which would otherwise also pass `first_node_in_macro` and cause the . // lint to fire multiple times per call. 262,799 ( 0.00%) if let Some(macro_call) = matching_root_macro_call(cx, expr.span, sym::format_macro) 88,491,107 ( 1.64%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::matching_root_macro_call (52,045x) 2,658 ( 0.00%) && first_node_in_macro(cx, expr).is_some_and(|p_expn| p_expn != macro_call.expn) 41,184 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::first_node_in_macro:: (858x) 336 ( 0.00%) && let Some(format_args) = self.format_args.get(cx, expr, macro_call.expn) 124,194 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:::get (42x) . { 42 ( 0.00%) let mut applicability = Applicability::MachineApplicable; . let call_site = macro_call.span; . . match (format_args.arguments.all_args(), &format_args.template[..]) { 108 ( 0.00%) ([], []) => span_useless_format_empty(cx, call_site, "String::new()".to_owned(), applicability), . ([], [_]) => { . // Simulate macro expansion, converting {{ and }} to { and }. . let Some(snippet) = format_args.span.get_text(cx) else { . return; . }; . let s_expand = snippet.replace("{{", "{").replace("}}", "}"); . let sugg = format!("{s_expand}.to_string()"); . span_useless_format(cx, call_site, sugg, applicability); . }, 60 ( 0.00%) ([arg], [piece]) => { . if let Some(value) = find_format_arg_expr(expr, arg) . && let FormatArgsPiece::Placeholder(placeholder) = piece . && placeholder.format_trait == FormatTrait::Display . && placeholder.format_options == FormatOptions::default() . && match cx.typeck_results().expr_ty(value).peel_refs().kind() { . ty::Adt(adt, _) => Some(adt.did()) == cx.tcx.lang_items().string(), . ty::Str => true, . _ => false, -- line 87 ---------------------------------------- -- line 101 ---------------------------------------- . format!("{}.to_string()", sugg.maybe_paren()) . }; . span_useless_format(cx, call_site, sugg, applicability); . } . }, . _ => {}, . } . } 416,360 ( 0.01%) } . } . . fn span_useless_format_empty(cx: &LateContext<'_>, span: Span, sugg: String, applicability: Applicability) { . span_lint_and_sugg( . cx, . USELESS_FORMAT, . span, . "useless use of `format!`", -- line 117 ---------------------------------------- 52,045 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs -------------------------------------------------------------------------------- Ir -- line 11 ---------------------------------------- . use rustc_hir::intravisit::{Visitor, walk_expr}; . use rustc_hir::{Closure, Expr, ExprKind, HirId, LetStmt, Mutability, UnOp}; . use rustc_lint::LateContext; . use rustc_middle::hir::nested_filter::OnlyBodies; . use rustc_middle::ty::adjustment::{Adjust, DerefAdjustKind}; . use rustc_span::Symbol; . use rustc_span::symbol::sym; . 71,169 ( 0.00%) pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 20 ( 0.00%) if let Some(higher::WhileLet { if_then, let_pat, let_expr, label, .. }) = higher::WhileLet::hir(expr) . // check for `Some(..)` pattern 12 ( 0.00%) && let Some(some_pat) = as_some_pattern(cx, let_pat) 812 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::as_some_pattern (4x) . // check for call to `Iterator::next` 7 ( 0.00%) && let ExprKind::MethodCall(method_name, iter_expr, [], _) = let_expr.kind 1 ( 0.00%) && method_name.ident.name == sym::next 8 ( 0.00%) && cx.ty_based_def(let_expr).opt_parent(cx).is_diag_item(cx, sym::Iterator) 11 ( 0.00%) && let Some(iter_expr_struct) = try_parse_iter_expr(cx, iter_expr) 132 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:clippy_lints::loops::while_let_on_iterator::try_parse_iter_expr (1x) . // get the loop containing the match expression 2 ( 0.00%) && !uses_iter(cx, &iter_expr_struct, if_then) . { . let mut applicability = Applicability::MachineApplicable; . . let loop_label = label.map_or(String::new(), |l| format!("{}: ", l.ident.name)); . . let loop_var = if let Some(some_pat) = some_pat.first() { . if is_refutable(cx, some_pat) { . // Refutable patterns don't work with for loops. -- line 37 ---------------------------------------- -- line 60 ---------------------------------------- . cx, . WHILE_LET_ON_ITERATOR, . expr.span.with_hi(let_expr.span.hi()), . "this loop could be written as a `for` loop", . "try", . format!("{loop_label}for {loop_var} in {iterator_by_ref}"), . applicability, . ); 1 ( 0.00%) } 81,336 ( 0.00%) } . . #[derive(Debug)] . struct IterExpr { . /// The fields used, in order of child to parent. . fields: Vec, . /// The path being used. . path: Res, . /// Whether or not the iterator can be moved. . can_move: bool, . } . . /// Parses any expression to find out which field of which variable is used. Will return `None` if . /// the expression might have side effects. 7 ( 0.00%) fn try_parse_iter_expr(cx: &LateContext<'_>, mut e: &Expr<'_>) -> Option { . let mut fields = Vec::new(); . let mut can_move = true; . loop { . if cx . .typeck_results() 3 ( 0.00%) .expr_adjustments(e) 43 ( 0.00%) => ???:::expr_adjustments (1x) . .iter() 1 ( 0.00%) .any(|a| matches!(a.kind, Adjust::Deref(DerefAdjustKind::Overloaded(..)))) . { . // Custom deref impls need to borrow the whole value as it's captured by reference . can_move = false; . fields.clear(); . } 7 ( 0.00%) match e.kind { 1 ( 0.00%) ExprKind::Path(ref path) => { 9 ( 0.00%) break Some(IterExpr { 3 ( 0.00%) fields, 5 ( 0.00%) path: cx.qpath_res(path, e.hir_id), 23 ( 0.00%) => ???:::qpath_res (1x) . can_move, . }); . }, . ExprKind::Field(base, name) => { . fields.push(name.name); . e = base; . }, . // Dereferencing a pointer has no side effects and doesn't affect which field is being used. -- line 109 ---------------------------------------- -- line 122 ---------------------------------------- . e = base; . }, . . // No effect and doesn't affect which field is being used. . ExprKind::DropTemps(base) | ExprKind::AddrOf(_, _, base) | ExprKind::Type(base, _) => e = base, . _ => break None, . } . } 8 ( 0.00%) } . . fn is_expr_same_field(cx: &LateContext<'_>, mut e: &Expr<'_>, mut fields: &[Symbol], path_res: Res) -> bool { . loop { . match (&e.kind, fields) { . (&ExprKind::Field(base, name), [head_field, tail_fields @ ..]) if name.name == *head_field => { . e = base; . fields = tail_fields; . }, -- line 138 ---------------------------------------- -- line 144 ---------------------------------------- . } . } . } . . /// Checks if the given expression is the same field as, is a child of, or is the parent of the . /// given field. Used to check if the expression can be used while the given field is borrowed . /// mutably. e.g. if checking for `x.y`, then `x.y`, `x.y.z`, and `x` will all return true, but . /// `x.z`, and `y` will return false. 216 ( 0.00%) fn is_expr_same_child_or_parent_field(cx: &LateContext<'_>, expr: &Expr<'_>, fields: &[Symbol], path_res: Res) -> bool { 112 ( 0.00%) match expr.kind { . ExprKind::Field(base, name) => { . if let Some((head_field, tail_fields)) = fields.split_first() { . if name.name == *head_field && is_expr_same_field(cx, base, tail_fields, path_res) { . return true; . } . // Check if the expression is a parent field . let mut fields_iter = tail_fields.iter(); . while let Some(field) = fields_iter.next() { -- line 161 ---------------------------------------- -- line 174 ---------------------------------------- . ExprKind::Path(ref path) if fields.is_empty() => { . break cx.qpath_res(path, e.hir_id) == path_res; . }, . _ => break false, . } . } . }, . // If the path matches, this is either an exact match, or the expression is a parent of the field. 24 ( 0.00%) ExprKind::Path(ref path) => cx.qpath_res(path, expr.hir_id) == path_res, 1 ( 0.00%) ExprKind::DropTemps(base) | ExprKind::Type(base, _) | ExprKind::AddrOf(_, _, base) => { . is_expr_same_child_or_parent_field(cx, base, fields, path_res) . }, . _ => false, . } 144 ( 0.00%) } . . /// Strips off all field and path expressions. This will return true if a field or path has been . /// skipped. Used to skip them after failing to check for equality. . fn skip_fields_and_path<'tcx>(expr: &'tcx Expr<'_>) -> (Option<&'tcx Expr<'tcx>>, bool) { . let mut e = expr; . let e = loop { 153 ( 0.00%) match e.kind { . ExprKind::Field(base, _) | ExprKind::DropTemps(base) | ExprKind::Type(base, _) => e = base, . ExprKind::Path(_) => return (None, true), . _ => break e, . } . }; . (Some(e), e.hir_id != expr.hir_id) . } . -- line 203 ---------------------------------------- -- line 204 ---------------------------------------- . /// Checks if the given expression uses the iterator. . fn uses_iter<'tcx>(cx: &LateContext<'tcx>, iter_expr: &IterExpr, container: &'tcx Expr<'_>) -> bool { . struct V<'a, 'b, 'tcx> { . cx: &'a LateContext<'tcx>, . iter_expr: &'b IterExpr, . } . impl<'tcx> Visitor<'tcx> for V<'_, '_, 'tcx> { . type Result = ControlFlow<()>; 162 ( 0.00%) fn visit_expr(&mut self, e: &'tcx Expr<'_>) -> Self::Result { 198 ( 0.00%) if is_expr_same_child_or_parent_field(self.cx, e, &self.iter_expr.fields, self.iter_expr.path) { 29 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:clippy_lints::loops::while_let_on_iterator::is_expr_same_child_or_parent_field (1x) . ControlFlow::Break(()) 13 ( 0.00%) } else if let (e, true) = skip_fields_and_path(e) { . if let Some(e) = e { . self.visit_expr(e) . } else { . ControlFlow::Continue(()) . } 26 ( 0.00%) } else if let ExprKind::Closure(&Closure { body: id, .. }) = e.kind { . if is_res_used(self.cx, self.iter_expr.path, id) { . ControlFlow::Break(()) . } else { . ControlFlow::Continue(()) . } . } else { 117 ( 0.00%) walk_expr(self, e) 2,197 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr:: (1x) . } 45 ( 0.00%) } . } . 4 ( 0.00%) let mut v = V { cx, iter_expr }; 2 ( 0.00%) v.visit_expr(container).is_break() 2,280 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/while_let_on_iterator.rs:::visit_expr (1x) . } . . #[expect(clippy::too_many_lines)] . fn needs_mutable_borrow(cx: &LateContext<'_>, iter_expr: &IterExpr, loop_expr: &Expr<'_>) -> bool { . struct AfterLoopVisitor<'a, 'b, 'tcx> { . cx: &'a LateContext<'tcx>, . iter_expr: &'b IterExpr, . loop_id: HirId, -- line 242 ---------------------------------------- 169 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/misc_early/redundant_pattern.rs -------------------------------------------------------------------------------- Ir . use clippy_utils::diagnostics::span_lint_and_sugg; . use rustc_ast::ast::{Pat, PatKind}; . use rustc_errors::Applicability; . use rustc_lint::{EarlyContext, LintContext as _}; . . use super::REDUNDANT_PATTERN; . 33,544 ( 0.00%) pub(super) fn check(cx: &EarlyContext<'_>, pat: &Pat) { 33,544 ( 0.00%) if let PatKind::Ident(ann, ident, Some(ref right)) = pat.kind . && let PatKind::Wild = right.kind . && !pat.span.in_external_macro(cx.sess().source_map()) . { . span_lint_and_sugg( . cx, . REDUNDANT_PATTERN, . pat.span, . format!( -- line 17 ---------------------------------------- -- line 18 ---------------------------------------- . "the `{} @ _` pattern can be written as just `{}`", . ident.name, ident.name, . ), . "try", . format!("{}{}", ann.prefix_str(), ident.name), . Applicability::MachineApplicable, . ); . } 38,336 ( 0.00%) } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unnecessary_owned_empty_strings.rs -------------------------------------------------------------------------------- Ir -- line 31 ---------------------------------------- . "detects cases of references to owned empty strings being passed as an argument to a function expecting `&str`" . } . . declare_lint_pass!(UnnecessaryOwnedEmptyStrings => [ . UNNECESSARY_OWNED_EMPTY_STRINGS, . ]); . . impl<'tcx> LateLintPass<'tcx> for UnnecessaryOwnedEmptyStrings { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 139,903 ( 0.00%) if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner_expr) = expr.kind 2,701 ( 0.00%) && let ExprKind::Call(fun, args) = inner_expr.kind 57 ( 0.00%) && let ExprKind::Path(ref qpath) = fun.kind 76 ( 0.00%) && let Some(fun_def_id) = cx.qpath_res(qpath, fun.hir_id).opt_def_id() 437 ( 0.00%) => ???:::qpath_res (19x) 95 ( 0.00%) && let ty::Ref(_, inner_str, _) = cx.typeck_results().expr_ty_adjusted(expr).kind() 1,067 ( 0.00%) => ???:::expr_ty_adjusted (19x) 57 ( 0.00%) && inner_str.is_str() . { 45 ( 0.00%) let fun_name = cx.tcx.get_diagnostic_name(fun_def_id); 630 ( 0.00%) => ???:::get_diagnostic_name (9x) . if fun_name == Some(sym::string_new) { . span_lint_and_sugg( . cx, . UNNECESSARY_OWNED_EMPTY_STRINGS, . expr.span, . "usage of `&String::new()` for a function expecting a `&str` argument", . "try", . "\"\"".to_owned(), -- line 55 ---------------------------------------- -- line 69 ---------------------------------------- . expr.span, . "usage of `&String::from(\"\")` for a function expecting a `&str` argument", . "try", . "\"\"".to_owned(), . Applicability::MachineApplicable, . ); . } . } 416,360 ( 0.01%) } . } 133 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs -------------------------------------------------------------------------------- Ir -- line 460 ---------------------------------------- . /// assert_eq!(13, unsafe { mem::size_of_val_raw(y) }); . /// ``` . #[inline] . #[must_use] . #[stable(feature = "layout_for_ptr", since = "CURRENT_RUSTC_VERSION")] . #[rustc_const_stable(feature = "layout_for_ptr", since = "CURRENT_RUSTC_VERSION")] . pub const unsafe fn size_of_val_raw(val: *const T) -> usize { . // SAFETY: the caller must provide a valid raw pointer 1 ( 0.00%) unsafe { intrinsics::size_of_val(val) } . } . . /// Returns the [ABI]-required minimum alignment of a type in bytes. . /// . /// Every reference to a value of the type `T` must be a multiple of this number. . /// . /// This is the alignment used for struct fields. It may be smaller than the preferred alignment. . /// -- line 476 ---------------------------------------- -- line 634 ---------------------------------------- . /// . /// [type-layout]: ../../reference/type-layout.html#r-layout.primitive . #[inline] . #[must_use] . #[stable(feature = "layout_for_ptr", since = "CURRENT_RUSTC_VERSION")] . #[rustc_const_stable(feature = "layout_for_ptr", since = "CURRENT_RUSTC_VERSION")] . pub const unsafe fn align_of_val_raw(val: *const T) -> usize { . // SAFETY: the caller must provide a valid raw pointer 1 ( 0.00%) unsafe { intrinsics::align_of_val(val) } . } . . /// Returns `true` if dropping values of type `T` matters. . /// . /// This is purely an optimization hint, and may be implemented conservatively: . /// it may return `true` for types that don't actually need to be dropped. . /// As such always returning `true` would be a valid implementation of . /// this function. However if this function actually returns `false`, then you -- line 650 ---------------------------------------- -- line 825 ---------------------------------------- . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_swap", since = "1.85.0")] . #[rustc_diagnostic_item = "mem_swap"] . pub const fn swap(x: &mut T, y: &mut T) { . // SAFETY: `&mut` guarantees these are typed readable and writable . // as well as non-overlapping. 787 ( 0.00%) unsafe { intrinsics::typed_swap_nonoverlapping(x, y) } . } . . /// Replaces `dest` with the default value of `T`, returning the previous `dest` value. . /// . /// * If you want to replace the values of two variables, see [`swap`]. . /// * If you want to replace with a passed value instead of the default value, see [`replace`]. . /// . /// # Examples -- line 841 ---------------------------------------- -- line 967 ---------------------------------------- . // such that the old value is not duplicated. Nothing is dropped and . // nothing here can panic. . unsafe { . // Ideally we wouldn't use the intrinsics here, but going through the . // `ptr` methods introduces two unnecessary UbChecks, so until we can . // remove those for pointers that come from references, this uses the . // intrinsics instead so this stays very cheap in MIR (and debug). . 1,834,979 ( 0.03%) let result = crate::intrinsics::read_via_copy(dest); 3,469,847 ( 0.06%) crate::intrinsics::write_via_move(dest, src); . result . } . } . . /// Disposes of a value. . /// . /// This effectively does nothing for types which implement `Copy`, e.g. . /// integers. Such values are copied and _then_ moved into the function, so the -- line 984 ---------------------------------------- -- line 1406 ---------------------------------------- . /// // ⚠️ This is undefined behavior. Don't do this. ⚠️ . /// // assert_eq!(0, unsafe { std::mem::transmute::<_, u8>(std::mem::discriminant(&unit_like)) }); . /// ``` . #[stable(feature = "discriminant_value", since = "1.21.0")] . #[rustc_const_stable(feature = "const_discriminant", since = "1.75.0")] . #[rustc_diagnostic_item = "mem_discriminant"] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . pub const fn discriminant(v: &T) -> Discriminant { 26,885 ( 0.00%) Discriminant(intrinsics::discriminant_value(v)) . } . . /// Returns the number of variants in the enum type `T`. . /// . /// If `T` is not an enum, calling this function will not result in undefined behavior, but the . /// return value is unspecified. Equally, if `T` is an enum with more variants than `usize::MAX` . /// the return value is unspecified. Uninhabited variants will be counted. . /// -- line 1422 ---------------------------------------- 56,363 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/default_constructed_unit_structs.rs -------------------------------------------------------------------------------- Ir -- line 46 ---------------------------------------- . "unit structs can be constructed without calling `default`" . } . . declare_lint_pass!(DefaultConstructedUnitStructs => [ . DEFAULT_CONSTRUCTED_UNIT_STRUCTS, . ]); . . fn is_alias(ty: hir::Ty<'_>) -> bool { 3,147 ( 0.00%) if let hir::TyKind::Path(ref qpath) = ty.kind { 1,049 ( 0.00%) is_ty_alias(qpath) 16,784 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_ty_alias (1,049x) . } else { . false . } . } . . impl LateLintPass<'_> for DefaultConstructedUnitStructs { 364,315 ( 0.01%) fn check_expr<'tcx>(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>) { 124,101 ( 0.00%) if let ExprKind::Call(fn_expr, &[]) = expr.kind . // make sure we have a call to `Default::default` 5,261 ( 0.00%) && let ExprKind::Path(ref qpath @ hir::QPath::TypeRelative(base, _)) = fn_expr.kind . // make sure this isn't a type alias: . // `::Assoc` cannot be used as a constructor 8,392 ( 0.00%) && !is_alias(*base) 650 ( 0.00%) && let Res::Def(_, def_id) = cx.qpath_res(qpath, fn_expr.hir_id) 5,070 ( 0.00%) => ???:::qpath_res (65x) 325 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::default_fn, def_id) 4,385 ( 0.00%) => ???:::is_diagnostic_item (65x) . // make sure we have a struct with no fields (unit struct) 36 ( 0.00%) && let ty::Adt(def, ..) = cx.typeck_results().expr_ty(expr).kind() 360 ( 0.00%) => ???:::expr_ty (9x) 18 ( 0.00%) && def.is_struct() 27 ( 0.00%) && let var @ ty::VariantDef { ctor: Some((hir::def::CtorKind::Const, _)), .. } = def.non_enum_variant() 72 ( 0.00%) => ???:::non_enum_variant (9x) . && !var.is_field_list_non_exhaustive() . && !expr.span.from_expansion() && !qpath.span().from_expansion() . // do not suggest replacing an expression by a type name with placeholders . && !base.is_suggestable_infer_ty() . { . let mut removals = vec![(expr.span.with_lo(qpath.qself_span().hi()), String::new())]; . if expr.span.check_text(cx, |s| s.starts_with('<')) { . // Remove `<`, '>` has already been removed by the existing removal expression. -- line 82 ---------------------------------------- -- line 91 ---------------------------------------- . diag.multipart_suggestion( . "remove this call to `default`", . removals, . Applicability::MachineApplicable, . ); . }, . ); . } 416,360 ( 0.01%) } . } 3,212 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/pattern.rs -------------------------------------------------------------------------------- Ir -- line 142 ---------------------------------------- . } . . /// Removes the pattern from the back of haystack, if it matches. . #[inline] . fn strip_suffix_of<'a>(self, haystack: &'a str) -> Option<&'a str> . where . Self::Searcher<'a>: ReverseSearcher<'a>, . { 94 ( 0.00%) if let SearchStep::Match(start, end) = self.into_searcher(haystack).next_back() { . debug_assert_eq!( . end, . haystack.len(), . "The first search step from ReverseSearcher \ . must include the last character" . ); . // SAFETY: `Searcher` is known to return valid indices. . unsafe { Some(haystack.get_unchecked(..start)) } -- line 158 ---------------------------------------- -- line 243 ---------------------------------------- . /// . /// Unlike [`next()`][Searcher::next], there is no guarantee that the returned ranges . /// of this and [`next_reject`][Searcher::next_reject] will overlap. This will return . /// `(start_match, end_match)`, where start_match is the index of where . /// the match begins, and end_match is the index after the end of the match. . #[inline] . fn next_match(&mut self) -> Option<(usize, usize)> { . loop { 54 ( 0.00%) match self.next() { . SearchStep::Match(a, b) => return Some((a, b)), . SearchStep::Done => return None, . _ => continue, . } . } . } . . /// Finds the next [`Reject`][SearchStep::Reject] result. See [`next()`][Searcher::next] . /// and [`next_match()`][Searcher::next_match]. . /// . /// Unlike [`next()`][Searcher::next], there is no guarantee that the returned ranges . /// of this and [`next_match`][Searcher::next_match] will overlap. . #[inline] . fn next_reject(&mut self) -> Option<(usize, usize)> { 310 ( 0.00%) loop { 62 ( 0.00%) match self.next() { . SearchStep::Reject(a, b) => return Some((a, b)), . SearchStep::Done => return None, . _ => continue, . } . } . } . } . -- line 275 ---------------------------------------- -- line 324 ---------------------------------------- . } . } . . /// Finds the next [`Reject`][SearchStep::Reject] result. . /// See [`next_back()`][ReverseSearcher::next_back]. . #[inline] . fn next_reject_back(&mut self) -> Option<(usize, usize)> { . loop { 8,487 ( 0.00%) match self.next_back() { . SearchStep::Reject(a, b) => return Some((a, b)), . SearchStep::Done => return None, . _ => continue, . } . } . } . } . -- line 340 ---------------------------------------- -- line 416 ---------------------------------------- . // starts at the end and only decreases . let slice = unsafe { self.haystack.get_unchecked(old_finger..self.finger_back) }; . let mut iter = slice.chars(); . let old_len = iter.iter.len(); . if let Some(ch) = iter.next() { . // add byte offset of current character . // without re-encoding as utf-8 . self.finger += old_len - iter.iter.len(); 62 ( 0.00%) if ch == self.needle { . SearchStep::Match(old_finger, self.finger) . } else { . SearchStep::Reject(old_finger, self.finger) . } . } else { . SearchStep::Done . } . } . #[inline] . fn next_match(&mut self) -> Option<(usize, usize)> { . loop { . // get the haystack after the last character found . let bytes = self.haystack.as_bytes().get(self.finger..self.finger_back)?; . // the last byte of the utf8 encoded needle . // SAFETY: we have an invariant that `utf8_size < 5` 2,298 ( 0.00%) let last_byte = unsafe { *self.utf8_encoded.get_unchecked(self.utf8_size() - 1) }; 14,920 ( 0.00%) if let Some(index) = memchr::memchr(last_byte, bytes) { . // The new finger is the index of the byte we found, . // plus one, since we memchr'd for the last byte of the character. . // . // Note that this doesn't always give us a finger on a UTF8 boundary. . // If we *didn't* find our character . // we may have indexed to the non-last byte of a 3-byte or 4-byte character. . // We can't just skip to the next valid starting byte because a character like . // ꁁ (U+A041 YI SYLLABLE PA), utf-8 `EA 81 81` will have us always find -- line 449 ---------------------------------------- -- line 451 ---------------------------------------- . // . // However, this is totally okay. While we have the invariant that . // self.finger is on a UTF8 boundary, this invariant is not relied upon . // within this method (it is relied upon in CharSearcher::next()). . // . // We only exit this method when we reach the end of the string, or if we . // find something. When we find something the `finger` will be set . // to a UTF8 boundary. 13,045 ( 0.00%) self.finger += index + 1; 31,448 ( 0.00%) if self.finger >= self.utf8_size() { . let found_char = self.finger - self.utf8_size(); . if let Some(slice) = self.haystack.as_bytes().get(found_char..self.finger) { 12,331 ( 0.00%) if slice == &self.utf8_encoded[0..self.utf8_size()] { . return Some((found_char, self.finger)); . } . } . } . } else { . // found nothing, exit 169 ( 0.00%) self.finger = self.finger_back; . return None; . } . } . } . . // let next_reject use the default implementation from the Searcher trait . } . -- line 478 ---------------------------------------- -- line 501 ---------------------------------------- . fn next_match_back(&mut self) -> Option<(usize, usize)> { . let haystack = self.haystack.as_bytes(); . loop { . // get the haystack up to but not including the last character searched . let bytes = haystack.get(self.finger..self.finger_back)?; . // the last byte of the utf8 encoded needle . // SAFETY: we have an invariant that `utf8_size < 5` . let last_byte = unsafe { *self.utf8_encoded.get_unchecked(self.utf8_size() - 1) }; 354 ( 0.00%) if let Some(index) = memchr::memrchr(last_byte, bytes) { 2,590 ( 0.00%) => ???:core::slice::memchr::memrchr (59x) . // we searched a slice that was offset by self.finger, . // add self.finger to recoup the original index . let index = self.finger + index; . // memrchr will return the index of the byte we wish to . // find. In case of an ASCII character, this is indeed . // were we wish our new finger to be ("after" the found . // char in the paradigm of reverse iteration). For . // multibyte chars we need to skip down by the number of more -- line 517 ---------------------------------------- -- line 535 ---------------------------------------- . // or when the haystack has been searched completely. . // . // Unlike next_match this does not . // have the problem of repeated bytes in utf-8 because . // we're searching for the last byte, and we can only have . // found the last byte when searching in reverse. . self.finger_back = index; . } else { 59 ( 0.00%) self.finger_back = self.finger; . // found nothing, exit . return None; . } . } . } . . // let next_reject_back use the default implementation from the Searcher trait . } -- line 551 ---------------------------------------- -- line 584 ---------------------------------------- . #[inline] . fn is_contained_in(self, haystack: &str) -> bool { . if (self as u32) < 128 { . haystack.as_bytes().contains(&(self as u8)) . } else { . let mut buffer = [0u8; 4]; . self.encode_utf8(&mut buffer).is_contained_in(haystack) . } 129 ( 0.00%) } . . #[inline] . fn is_prefix_of(self, haystack: &str) -> bool { . self.encode_utf8(&mut [0u8; 4]).is_prefix_of(haystack) . } . . #[inline] . fn strip_prefix_of(self, haystack: &str) -> Option<&str> { -- line 600 ---------------------------------------- -- line 691 ---------------------------------------- . fn next(&mut self) -> SearchStep { . let s = &mut self.char_indices; . // Compare lengths of the internal byte slice iterator . // to find length of current char . let pre_len = s.iter.iter.len(); . if let Some((i, c)) = s.next() { . let len = s.iter.iter.len(); . let char_len = pre_len - len; 3,302 ( 0.00%) if self.char_eq.matches(c) { . return SearchStep::Match(i, i + char_len); . } else { . return SearchStep::Reject(i, i + char_len); . } . } . SearchStep::Done . } . } -- line 707 ---------------------------------------- -- line 970 ---------------------------------------- . /// ``` . /// assert_eq!("Hello world".find("world"), Some(6)); . /// ``` . impl<'b> Pattern for &'b str { . type Searcher<'a> = StrSearcher<'a, 'b>; . . #[inline] . fn into_searcher(self, haystack: &str) -> StrSearcher<'_, 'b> { 80,498 ( 0.00%) StrSearcher::new(haystack, self) 692 ( 0.00%) => ???:::new (1x) . } . . /// Checks whether the pattern matches at the front of the haystack. . #[inline] . fn is_prefix_of(self, haystack: &str) -> bool { . haystack.as_bytes().starts_with(self.as_bytes()) . } . . /// Checks whether the pattern matches anywhere in the haystack . #[inline] 20 ( 0.00%) fn is_contained_in(self, haystack: &str) -> bool { . if self.len() == 0 { . return true; . } . 24 ( 0.00%) match self.len().cmp(&haystack.len()) { . Ordering::Less => { . if self.len() == 1 { . return haystack.as_bytes().contains(&self.as_bytes()[0]); . } . . #[cfg(any( . all(target_arch = "x86_64", target_feature = "sse2"), . all(target_arch = "loongarch64", target_feature = "lsx"), -- line 1002 ---------------------------------------- -- line 1007 ---------------------------------------- . return result; . } . } . . self.into_searcher(haystack).next_match().is_some() . } . _ => self == haystack, . } 16 ( 0.00%) } . . /// Removes the pattern from the front of haystack, if it matches. . #[inline] . fn strip_prefix_of(self, haystack: &str) -> Option<&str> { 1,253 ( 0.00%) if self.is_prefix_of(haystack) { . // SAFETY: prefix was just verified to exist. . unsafe { Some(haystack.get_unchecked(self.as_bytes().len()..)) } . } else { . None . } . } . . /// Checks whether the pattern matches at the back of the haystack. -- line 1028 ---------------------------------------- -- line 1035 ---------------------------------------- . } . . /// Removes the pattern from the back of haystack, if it matches. . #[inline] . fn strip_suffix_of<'a>(self, haystack: &'a str) -> Option<&'a str> . where . Self::Searcher<'a>: ReverseSearcher<'a>, . { 6,057 ( 0.00%) if self.is_suffix_of(haystack) { 103 ( 0.00%) let i = haystack.len() - self.as_bytes().len(); . // SAFETY: suffix was just verified to exist. . unsafe { Some(haystack.get_unchecked(..i)) } . } else { . None . } . } . . #[inline] -- line 1052 ---------------------------------------- -- line 1165 ---------------------------------------- . } . otherwise => otherwise, . } . } . } . } . . #[inline] 80,937 ( 0.00%) fn next_match(&mut self) -> Option<(usize, usize)> { 23,136 ( 0.00%) match self.searcher { . StrSearcherImpl::Empty(..) => loop { . match self.next() { . SearchStep::Match(a, b) => return Some((a, b)), . SearchStep::Done => return None, . SearchStep::Reject(..) => {} . } . }, . StrSearcherImpl::TwoWay(ref mut searcher) => { 23,137 ( 0.00%) let is_long = searcher.memory == usize::MAX; . // write out `true` and `false` cases to encourage the compiler . // to specialize the two cases separately. 11,569 ( 0.00%) if is_long { . searcher.next::( . self.haystack.as_bytes(), . self.needle.as_bytes(), . true, . ) . } else { . searcher.next::( . self.haystack.as_bytes(), . self.needle.as_bytes(), . false, . ) . } . } . } 92,424 ( 0.00%) } . } . . unsafe impl<'a, 'b> ReverseSearcher<'a> for StrSearcher<'a, 'b> { . #[inline] . fn next_back(&mut self) -> SearchStep { . match self.searcher { . StrSearcherImpl::Empty(ref mut searcher) => { . if searcher.is_finished { -- line 1209 ---------------------------------------- -- line 1446 ---------------------------------------- . . #[inline] . fn byteset_create(bytes: &[u8]) -> u64 { . bytes.iter().fold(0, |a, &b| (1 << (b & 0x3f)) | a) . } . . #[inline] . fn byteset_contains(&self, byte: u8) -> bool { 378,972 ( 0.01%) (self.byteset >> ((byte & 0x3f) as usize)) & 1 != 0 . } . . // One of the main ideas of Two-Way is that we factorize the needle into . // two halves, (u, v), and begin trying to find v in the haystack by scanning . // left to right. If v matches, we try to match u by scanning right to left. . // How far we can jump when we encounter a mismatch is all based on the fact . // that (u, v) is a critical factorization for the needle. . #[inline] . fn next(&mut self, haystack: &[u8], needle: &[u8], long_period: bool) -> S::Output . where . S: TwoWayStrategy, . { . // `next()` uses `self.position` as its cursor . let old_pos = self.position; 11,568 ( 0.00%) let needle_last = needle.len() - 1; . 'search: loop { . // Check that we have room to search in . // position + needle_last can not overflow if we assume slices . // are bounded by isize's range. 161,828 ( 0.00%) let tail_byte = match haystack.get(self.position + needle_last) { . Some(&b) => b, . None => { 11,202 ( 0.00%) self.position = haystack.len(); . return S::rejecting(old_pos, self.position); . } . }; . . if S::use_early_reject() && old_pos != self.position { . return S::rejecting(old_pos, self.position); . } . . // Quickly skip by large portions unrelated to our substring 243,133 ( 0.00%) if !self.byteset_contains(tail_byte) { 216,900 ( 0.00%) self.position += needle.len(); . if !long_period { . self.memory = 0; . } . continue 'search; . } . . // See if the right part of the needle matches . let start = -- line 1496 ---------------------------------------- -- line 1497 ---------------------------------------- . if long_period { self.crit_pos } else { cmp::max(self.crit_pos, self.memory) }; . for i in start..needle.len() { . // SAFETY: on every iteration of `'search`, the `haystack.get(self.position + needle_last)` . // check returned `Some`, so `self.position + needle_last < haystack.len()`. . // Since `i < needle.len()` implies `i <= needle_last`, we have . // `self.position + i < haystack.len()`. . // Every path that mutates `self.position` below either returns or re-enters `'search`, . // which re-runs the check before reaching the loop again. 24,491 ( 0.00%) if needle[i] != unsafe { *haystack.get_unchecked(self.position + i) } { 5,448 ( 0.00%) self.position += i - self.crit_pos + 1; 8,938 ( 0.00%) if !long_period { . self.memory = 0; . } . continue 'search; . } . } . . // See if the left part of the needle matches . let start = if long_period { 0 } else { self.memory }; . for i in (start..self.crit_pos).rev() { . // SAFETY: on every iteration of `'search`, the `haystack.get(self.position + needle_last)` . // check returned `Some`, so `self.position + needle_last < haystack.len()`. . // Since `i < self.crit_pos <= needle.len()`, we have `i <= needle_last`, and thus . // `self.position + i <= self.position + needle_last < haystack.len()`. . // Every path that mutates `self.position` below either returns or re-enters `'search`, . // which re-runs the check before reaching the loop again. 1,197 ( 0.00%) if needle[i] != unsafe { *haystack.get_unchecked(self.position + i) } { 54 ( 0.00%) self.position += self.period; 2,401 ( 0.00%) if !long_period { . self.memory = needle.len() - self.period; . } . continue 'search; . } . } . . // We have found a match! . let match_pos = self.position; . . // Note: add self.period instead of needle.len() to have overlapping matches 734 ( 0.00%) self.position += needle.len(); . if !long_period { 241 ( 0.00%) self.memory = 0; // set to needle.len() - self.period for overlapping matches . } . . return S::matching(match_pos, match_pos + needle.len()); . } . } . . // Follows the ideas in `next()`. . // -- line 1546 ---------------------------------------- -- line 1759 ---------------------------------------- . false . } . #[inline] . fn rejecting(_a: usize, _b: usize) -> Self::Output { . None . } . #[inline] . fn matching(a: usize, b: usize) -> Self::Output { 1,287 ( 0.00%) Some((a, b)) . } . } . . /// Emit Rejects regularly . enum RejectAndMatch {} . . impl TwoWayStrategy for RejectAndMatch { . type Output = SearchStep; -- line 1775 ---------------------------------------- -- line 1818 ---------------------------------------- . let haystack = haystack.as_bytes(); . . debug_assert!(needle.len() > 1); . . use crate::ops::BitAnd; . use crate::simd::cmp::SimdPartialEq; . use crate::simd::{mask8x16 as Mask, u8x16 as Block}; . 2 ( 0.00%) let first_probe = needle[0]; 2 ( 0.00%) let last_byte_offset = needle.len() - 1; . . // the offset used for the 2nd vector 4 ( 0.00%) let second_probe_offset = if needle.len() == 2 { . // never bail out on len=2 needles because the probes will fully cover them and have . // no degenerate cases. . 1 . } else { . // try a few bytes in case first and last byte of the needle are the same . let Some(second_probe_offset) = 6 ( 0.00%) (needle.len().saturating_sub(4)..needle.len()).rfind(|&idx| needle[idx] != first_probe) . else { . // fall back to other search methods if we can't find any different bytes . // since we could otherwise hit some degenerate cases . return None; . }; . second_probe_offset . }; . . // do a naive search if the haystack is too small to fit 6 ( 0.00%) if haystack.len() < Block::LEN + last_byte_offset { . return Some(haystack.windows(needle.len()).any(|c| c == needle)); . } . . let first_probe: Block = Block::splat(first_probe); . let second_probe: Block = Block::splat(needle[second_probe_offset]); . // first byte are already checked by the outer loop. to verify a match only the . // remainder has to be compared. . let trimmed_needle = &needle[1..]; . . // this #[cold] is load-bearing, benchmark before removing it... . let check_mask = #[cold] 10 ( 0.00%) |idx, mask: u16, skip: bool| -> bool { 2 ( 0.00%) if skip { . return false; . } . . // and so is this. optimizations are weird. . let mut mask = mask; . . while mask != 0 { . let trailing = mask.trailing_zeros(); -- line 1868 ---------------------------------------- -- line 1873 ---------------------------------------- . let sub = haystack.get_unchecked(offset..).get_unchecked(..trimmed_needle.len()); . if small_slice_eq(sub, trimmed_needle) { . return true; . } . } . mask &= !(1 << trailing); . } . false 1 ( 0.00%) }; . . let test_chunk = |idx| -> u16 { . // SAFETY: this requires at least LANES bytes being readable at idx . // that is ensured by the loop ranges (see comments below) . let a: Block = unsafe { haystack.as_ptr().add(idx).cast::().read_unaligned() }; . // SAFETY: this requires LANES + block_offset bytes being readable at idx . let b: Block = unsafe { . haystack.as_ptr().add(idx).add(second_probe_offset).cast::().read_unaligned() -- line 1889 ---------------------------------------- -- line 1896 ---------------------------------------- . mask . }; . . let mut i = 0; . let mut result = false; . // The loop condition must ensure that there's enough headroom to read LANE bytes, . // and not only at the current index but also at the index shifted by block_offset . const UNROLL: usize = 4; 14 ( 0.00%) while i + last_byte_offset + UNROLL * Block::LEN < haystack.len() && !result { . let mut masks = [0u16; UNROLL]; . for j in 0..UNROLL { 2 ( 0.00%) masks[j] = test_chunk(i + j * Block::LEN); . } . for j in 0..UNROLL { . let mask = masks[j]; 24 ( 0.00%) if mask != 0 { . result |= check_mask(i + j * Block::LEN, mask, result); . } . } 2 ( 0.00%) i += UNROLL * Block::LEN; . } 28 ( 0.00%) while i + last_byte_offset + Block::LEN < haystack.len() && !result { . let mask = test_chunk(i); 14 ( 0.00%) if mask != 0 { . result |= check_mask(i, mask, result); . } . i += Block::LEN; . } . . // Process the tail that didn't fit into LANES-sized steps. . // This simply repeats the same procedure but as right-aligned chunk instead . // of a left-aligned one. The last byte must be exactly flush with the string end so . // we don't miss a single byte or read out of bounds. 2 ( 0.00%) let i = haystack.len() - last_byte_offset - Block::LEN; . let mask = test_chunk(i); 4 ( 0.00%) if mask != 0 { 8 ( 0.00%) result |= check_mask(i, mask, result); 29 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/str/pattern.rs:core::str::pattern::simd_contains::{closure#2} (1x) . } . . Some(result) . } . . /// Compares short slices for equality. . /// . /// It avoids a call to libc's memcmp which is faster on long slices -- line 1940 ---------------------------------------- -- line 1955 ---------------------------------------- . // https://github.com/BurntSushi/memchr/blob/8037d11b4357b0f07be2bb66dc2659d9cf28ad32/src/memmem/util.rs#L32 . . // If we don't have enough bytes to do 4-byte at a time loads, then . // fall back to the naive slow version. . // . // Potential alternative: We could do a copy_nonoverlapping combined with a mask instead . // of a loop. Benchmark it. . if x.len() < 4 { 3 ( 0.00%) for (&b1, &b2) in x.iter().zip(y) { 7 ( 0.00%) if b1 != b2 { . return false; . } . } . return true; . } . // When we have 4 or more bytes to compare, then proceed in chunks of 4 at . // a time using unaligned loads. . // -- line 1972 ---------------------------------------- 489,915 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/casts/cast_slice_from_raw_parts.rs -------------------------------------------------------------------------------- Ir -- line 13 ---------------------------------------- . use super::CAST_SLICE_FROM_RAW_PARTS; . . enum RawPartsKind { . Immutable, . Mutable, . } . . fn raw_parts_kind(cx: &LateContext<'_>, did: DefId) -> Option { 7,998 ( 0.00%) match cx.tcx.get_diagnostic_name(did)? { 176,393 ( 0.00%) => ???:::get_diagnostic_name (3,999x) . sym::slice_from_raw_parts => Some(RawPartsKind::Immutable), . sym::slice_from_raw_parts_mut => Some(RawPartsKind::Mutable), . _ => None, . } . } . 72 ( 0.00%) pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_expr: &Expr<'_>, cast_to: Ty<'_>, msrv: Msrv) { 18 ( 0.00%) if let ty::RawPtr(ptrty, _) = cast_to.kind() . && let ty::Slice(_) = ptrty.kind() . && let ExprKind::Call(fun, [ptr_arg, len_arg]) = cast_expr.peel_blocks().kind . && let ExprKind::Path(ref qpath) = fun.kind . && let Some(fun_def_id) = cx.qpath_res(qpath, fun.hir_id).opt_def_id() . && let Some(rpk) = raw_parts_kind(cx, fun_def_id) . && let ctxt = expr.span.ctxt() . && cast_expr.span.ctxt() == ctxt . && msrv.meets(cx, msrvs::PTR_SLICE_RAW_PARTS) -- line 37 ---------------------------------------- -- line 51 ---------------------------------------- . CAST_SLICE_FROM_RAW_PARTS, . span, . format!("casting the result of `{func}` to {cast_to}"), . "replace with", . format!("{krate}::ptr::slice_{func}({ptr}, {len})"), . applicability, . ); . } 72 ( 0.00%) } . . /// Checks for implicit cast from slice reference to raw slice pointer. 416,360 ( 0.01%) pub(super) fn check_implicit_cast(cx: &LateContext<'_>, expr: &Expr<'_>) { 23,571 ( 0.00%) if let ExprKind::Call(fun, [ptr_arg, len_arg]) = expr.peel_blocks().kind 12,003 ( 0.00%) && let ExprKind::Path(ref qpath) = fun.kind 16,004 ( 0.00%) && let Some(fun_def_id) = cx.qpath_res(qpath, fun.hir_id).opt_def_id() 105,259 ( 0.00%) => ???:::qpath_res (4,001x) 11,997 ( 0.00%) && let Some(rpk) = raw_parts_kind(cx, fun_def_id) . && !matches!(get_parent_expr(cx, expr).map(|e| e.kind), Some(ExprKind::Cast(..))) . && let [deref, borrow] = cx.typeck_results().expr_adjustments(expr) . && matches!(deref.kind, Adjust::Deref(..)) . && let Adjustment { . kind: Adjust::Borrow(AutoBorrow::RawPtr(..)), . target, . } = borrow . && let ty::RawPtr(pointee_ty, _) = target.kind() -- line 74 ---------------------------------------- -- line 89 ---------------------------------------- . CAST_SLICE_FROM_RAW_PARTS, . expr.span, . format!("implicitly casting the result of `{func}` to `{target}`"), . "replace_with", . format!("{krate}::ptr::slice_{func}({ptr}, {len})"), . applicability, . ); . } 416,360 ( 0.01%) } 72,050 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/needless_late_init.rs -------------------------------------------------------------------------------- Ir -- line 68 ---------------------------------------- . . pub struct NeedlessLateInit<'tcx> { . check_grouped_late_init: bool, . grouped_late_inits: Vec<(HirId, HirIdMap>)>, . } . . impl<'tcx> NeedlessLateInit<'tcx> { . pub fn new(conf: &'static Conf) -> Self { 4 ( 0.00%) Self { . check_grouped_late_init: conf.check_grouped_late_init, . grouped_late_inits: Vec::default(), . } . } . . fn check_if_or_match( . &mut self, . cx: &LateContext<'tcx>, -- line 84 ---------------------------------------- -- line 193 ---------------------------------------- . } else { . ControlFlow::Continue(()) . } . }) . .is_some() . } . . fn stmt_needs_ordered_drop(cx: &LateContext<'_>, stmt: &Stmt<'_>) -> bool { 4 ( 0.00%) let StmtKind::Let(local) = stmt.kind else { . return false; . }; 4 ( 0.00%) !local.pat.walk_short(|pat| { 12 ( 0.00%) if let PatKind::Binding(.., None) = pat.kind { 14 ( 0.00%) !needs_ordered_drop(cx, cx.typeck_results().pat_ty(pat)) 718 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::needs_ordered_drop (2x) 80 ( 0.00%) => ???:::pat_ty (2x) . } else { . true . } . }) . } . . #[derive(Debug)] . struct LocalAssign<'tcx> { -- line 214 ---------------------------------------- -- line 239 ---------------------------------------- . . #[derive(Debug)] . struct Usage<'tcx> { . span: Span, . expr: &'tcx Expr<'tcx>, . needs_semi: bool, . } . 16 ( 0.00%) fn first_usage<'tcx>( . cx: &LateContext<'tcx>, . binding_id: HirId, . local_stmt_id: HirId, . block: &'tcx Block<'tcx>, . ) -> Option> { 12 ( 0.00%) let significant_drop = needs_ordered_drop(cx, cx.typeck_results().node_type(binding_id)); 20,126 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::needs_ordered_drop (2x) 82 ( 0.00%) => ???:::node_type (2x) . 2 ( 0.00%) block . .stmts . .iter() . .skip_while(|stmt| stmt.hir_id != local_stmt_id) . .skip(1) 2 ( 0.00%) .take_while(|stmt| !significant_drop || !stmt_needs_ordered_drop(cx, stmt)) 6 ( 0.00%) .find(|&stmt| is_local_used(cx, stmt, binding_id)) 10 ( 0.00%) .and_then(|stmt| match stmt.kind { . StmtKind::Expr(expr) => Some(Usage { . span: stmt.span, . expr, . needs_semi: true, . }), . StmtKind::Semi(expr) => Some(Usage { . span: stmt.span, . expr, . needs_semi: false, . }), . _ => None, . }) . .or_else(|| { 4 ( 0.00%) block . .expr 8 ( 0.00%) .filter(|expr| is_local_used(cx, *expr, binding_id)) . .map(|expr| Usage { . span: expr.span, . expr, . needs_semi: true, . }) . }) 16 ( 0.00%) } . . fn local_snippet_without_semicolon<'a>( . cx: &LateContext<'_>, . local: &LetStmt<'_>, . applicability: &mut Applicability, . ) -> Cow<'a, str> { . let span = local.span.with_hi(match local.ty { . // let : ; -- line 293 ---------------------------------------- -- line 357 ---------------------------------------- . #[derive(Debug)] . struct GroupedLateInit<'tcx> { . usage: Usage<'tcx>, . assigns: Vec>, . decls: HirIdMap<&'tcx LetStmt<'tcx>>, . } . . impl<'tcx> LateLintPass<'tcx> for NeedlessLateInit<'tcx> { 17,216 ( 0.00%) fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx LetStmt<'tcx>) { 4,304 ( 0.00%) let mut parents = cx.tcx.hir_parent_iter(local.hir_id); 2,172 ( 0.00%) if let LetStmt { . init: None, . pat: . Pat { . kind: PatKind::Binding(BindingMode::NONE, binding_id, _, None), . .. . }, . source: LocalSource::Normal, . .. 2,160 ( 0.00%) } = local 4 ( 0.00%) && let Some((_, Node::Stmt(local_stmt))) = parents.next() 4 ( 0.00%) && let Some((_, Node::Block(block))) = parents.next() 24 ( 0.00%) && let Some(usage) = first_usage(cx, *binding_id, local_stmt.hir_id, block) 64,821 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/needless_late_init.rs:clippy_lints::needless_late_init::first_usage (2x) . { . if self.check_grouped_late_init . && let Some((hir_id, late_inits)) = self.grouped_late_inits.last_mut() . && *hir_id == block.hir_id . && let Some(late_init) = late_inits.get_mut(&usage.expr.hir_id) . { . late_init.decls.insert(*binding_id, local); . return; -- line 387 ---------------------------------------- -- line 437 ---------------------------------------- . self.check_if_or_match(cx, local, block, *binding_id, usage, exprs); . }, . ExprKind::Match(_, arms, MatchSource::Normal) => { . self.check_if_or_match(cx, local, block, *binding_id, usage, arms.iter().map(|arm| arm.body)); . }, . _ => {}, . } . } 17,216 ( 0.00%) } . 19,792 ( 0.00%) fn check_block_post(&mut self, cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) { 4,948 ( 0.00%) if self.check_grouped_late_init . && let Some((_, late_inits)) = self.grouped_late_inits.pop_if(|(hir_id, _)| *hir_id == block.hir_id) . { . 'outer: for (_, late_init) in late_inits { . if late_init.decls.len() < late_init.assigns[0].0.len() { . continue; . } . . let mut suggestions = vec![]; -- line 456 ---------------------------------------- -- line 513 ---------------------------------------- . format!("move the declarations here and remove the assignments from the {descriptor}"), . suggestions, . applicability, . ); . }, . ); . } . } 19,792 ( 0.00%) } . } 22 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/async_yields_async.rs -------------------------------------------------------------------------------- Ir -- line 43 ---------------------------------------- . pub ASYNC_YIELDS_ASYNC, . correctness, . "async blocks that return a type that can be awaited" . } . . declare_lint_pass!(AsyncYieldsAsync => [ASYNC_YIELDS_ASYNC]); . . impl<'tcx> LateLintPass<'tcx> for AsyncYieldsAsync { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 104,360 ( 0.00%) let ExprKind::Closure(Closure { . kind: ClosureKind::Coroutine(CoroutineKind::Desugared(CoroutineDesugaring::Async, kind)), . body: body_id, . .. 135 ( 0.00%) }) = expr.kind . else { . return; . }; . . let body_expr = match kind { . CoroutineSource::Fn => { . // For functions, with explicitly defined types, don't warn. . // XXXkhuey maybe we should? -- line 64 ---------------------------------------- -- line 118 ---------------------------------------- . return_expr_span, . "consider awaiting this value", . format!("{return_expr_snip}.await"), . applicability, . ); . }, . ); . } 416,360 ( 0.01%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unicode.rs -------------------------------------------------------------------------------- Ir -- line 74 ---------------------------------------- . . declare_lint_pass!(Unicode => [ . INVISIBLE_CHARACTERS, . NON_ASCII_LITERAL, . UNICODE_NOT_NFC, . ]); . . impl LateLintPass<'_> for Unicode { 208,180 ( 0.00%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &'_ Expr<'_>) { 107,182 ( 0.00%) if let ExprKind::Lit(lit) = expr.kind 10,101 ( 0.00%) && let LitKind::Str(_, _) | LitKind::Char(_) = lit.node . { 6,184 ( 0.00%) check_str(cx, lit.span, expr.hir_id); . } 260,225 ( 0.00%) } . } . . fn escape>(s: T) -> String { . let mut result = String::new(); . for c in s { . if c as u32 > 0x7F { . for d in c.escape_unicode() { . result.push(d); -- line 96 ---------------------------------------- -- line 98 ---------------------------------------- . } else { . result.push(c); . } . } . result . } . . fn check_str(cx: &LateContext<'_>, span: Span, id: HirId) { 12,368 ( 0.00%) if !span_is_local(span) { 694,096 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::span_is_local (3,092x) . return; . } . . let string = snippet(cx, span, ""); . // All three lints here can only fire when the snippet contains a non-ASCII character. Note . // that the snippet can contain non-ASCII characters even when the literal's value does not, . // e.g. the literal produced by `file!()` inside a macro spans the whole macro invocation. . if string.is_ascii() { -- line 114 ---------------------------------------- 6,184 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_clamp.rs -------------------------------------------------------------------------------- Ir -- line 134 ---------------------------------------- . struct InputMinMax<'tcx> { . input: &'tcx Expr<'tcx>, . min: &'tcx Expr<'tcx>, . max: &'tcx Expr<'tcx>, . is_float: bool, . } . . impl<'tcx> LateLintPass<'tcx> for ManualClamp { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { . // Cheap kind check before the costlier const context query. 52,045 ( 0.00%) if matches!( 104,090 ( 0.00%) expr.kind, . ExprKind::If(..) | ExprKind::Match(..) | ExprKind::MethodCall(..) | ExprKind::Call(..) 23,782 ( 0.00%) ) && !expr.span.from_expansion() 10,408 ( 0.00%) && !is_in_const_context(cx) 703,992 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (2,602x) . { . let suggestion = is_if_elseif_else_pattern(cx, expr) 4,768 ( 0.00%) .or_else(|| is_max_min_pattern(cx, expr)) . .or_else(|| is_call_max_min_pattern(cx, expr)) . .or_else(|| is_match_pattern(cx, expr)) . .or_else(|| is_if_elseif_pattern(cx, expr)); . if let Some(suggestion) = suggestion . && self.msrv.meets(cx, msrvs::CLAMP) . { . maybe_emit_suggestion(cx, &suggestion); . } . } 416,360 ( 0.01%) } . 17,318 ( 0.00%) fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) { . // Cheap `if`-statement check before the costlier const context query. 2,474 ( 0.00%) if !block . .stmts . .iter() 20,288 ( 0.00%) .any(|stmt| matches!(stmt.kind, StmtKind::Expr(e) if matches!(e.kind, ExprKind::If(..)))) . { . return; . } . 968 ( 0.00%) if is_in_const_context(cx) || !self.msrv.meets(cx, msrvs::CLAMP) { 23,852 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (88x) 2,376 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::meets (88x) . return; . } . for suggestion in is_two_if_pattern(cx, block) { . maybe_emit_suggestion(cx, &suggestion); . } 19,792 ( 0.00%) } . } . . fn maybe_emit_suggestion<'tcx>(cx: &LateContext<'tcx>, suggestion: &ClampSuggestion<'tcx>) { . if !suggestion.min_less_than_max(cx) { . return; . } . let ClampSuggestion { . params: InputMinMax { -- line 187 ---------------------------------------- -- line 227 ---------------------------------------- . Float, . Ord, . } . . impl TypeClampability { . fn is_clampable<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option { . if ty.is_floating_point() { . Some(TypeClampability::Float) 129 ( 0.00%) } else if cx . .tcx 86 ( 0.00%) .get_diagnostic_item(sym::Ord) 3,096 ( 0.00%) => ???:::get_diagnostic_item (43x) 258 ( 0.00%) .is_some_and(|id| implements_trait(cx, ty, id, &[])) 69,328 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::implements_trait (43x) . { . Some(TypeClampability::Ord) . } else { . None . } . } . . fn is_float(self) -> bool { -- line 246 ---------------------------------------- -- line 269 ---------------------------------------- . r#else: Some(else_if), . }) = If::hir(expr) . && let Some(If { . cond: else_if_cond, . then: else_if_then, . r#else: Some(else_body), . }) = If::hir(peel_blocks(else_if)) . { 258 ( 0.00%) let params = is_clamp_meta_pattern( 83,194 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_clamp.rs:clippy_lints::manual_clamp::is_clamp_meta_pattern (43x) . cx, 48 ( 0.00%) expr.span.ctxt(), 132 ( 0.00%) &BinaryOp::new(peel_blocks(cond))?, 86 ( 0.00%) &BinaryOp::new(peel_blocks(else_if_cond))?, . peel_blocks(then), . peel_blocks(else_if_then), 215 ( 0.00%) None, . )?; . // Contents of the else should be the resolved input. . if !eq_expr_value(cx, expr.span.ctxt(), params.input, peel_blocks(else_body)) { . return None; . } . Some(ClampSuggestion { . params, . span: expr.span, -- line 292 ---------------------------------------- -- line 302 ---------------------------------------- . /// . /// ```no_run . /// # let (input, min_value, max_value) = (0, -3, 12); . /// . /// input.max(min_value).min(max_value) . /// # ; . /// ``` . fn is_max_min_pattern<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Option> { 7,940 ( 0.00%) if let ExprKind::MethodCall(seg_second, receiver, [arg_second], _) = expr.kind 1,068 ( 0.00%) && let ExprKind::MethodCall(seg_first, input, [arg_first], _) = &receiver.kind . // Match method names before the costlier type queries. 60 ( 0.00%) && let Some((min, max)) = match (seg_first.ident.name, seg_second.ident.name) { 80 ( 0.00%) (sym::min, sym::max) => Some((arg_second, arg_first)), . (sym::max, sym::min) => Some((arg_first, arg_second)), . _ => None, . } . && (cx.typeck_results().expr_ty_adjusted(receiver).is_floating_point() . || cx.ty_based_def(expr).assoc_fn_parent(cx).is_diag_item(cx, sym::Ord)) . && (cx.typeck_results().expr_ty_adjusted(input).is_floating_point() . || cx.ty_based_def(receiver).assoc_fn_parent(cx).is_diag_item(cx, sym::Ord)) . { -- line 322 ---------------------------------------- -- line 341 ---------------------------------------- . /// . /// ```no_run . /// # let (input, min_value, max_value) = (0, -3, 12); . /// # use std::cmp::{max, min}; . /// min(max(input, min_value), max_value) . /// # ; . /// ``` . fn is_call_max_min_pattern<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Option> { 7 ( 0.00%) fn segment<'tcx>(cx: &LateContext<'_>, func: &Expr<'tcx>) -> Option> { 6 ( 0.00%) match func.kind { 1 ( 0.00%) ExprKind::Path(QPath::Resolved(None, path)) => { 3 ( 0.00%) let def = path.res.opt_def(cx)?; 7 ( 0.00%) match cx.tcx.get_diagnostic_name(def.1) { 43 ( 0.00%) => ???:::get_diagnostic_name (1x) . Some(sym::cmp_min) => Some(FunctionType::CmpMin), . Some(sym::cmp_max) => Some(FunctionType::CmpMax), . _ if def.assoc_fn_parent(cx).is_diag_item(cx, sym::Ord) => { . Some(FunctionType::OrdOrFloat(path.segments.last().expect("infallible"))) . }, . _ => None, . } . }, . ExprKind::Path(QPath::TypeRelative(ty, seg)) => { . matches!(ty.basic_res(), Res::PrimTy(PrimTy::Float(_))).then(|| FunctionType::OrdOrFloat(seg)) . }, . _ => None, . } 7 ( 0.00%) } . . enum FunctionType<'tcx> { . CmpMin, . CmpMax, . OrdOrFloat(&'tcx PathSegment<'tcx>), . } . 3,132 ( 0.00%) fn check<'tcx>( . cx: &LateContext<'tcx>, . outer_fn: &'tcx Expr<'tcx>, . inner_call: &'tcx Expr<'tcx>, . outer_arg: &'tcx Expr<'tcx>, . span: Span, . ) -> Option> { 729 ( 0.00%) if let ExprKind::Call(inner_fn, [first, second]) = &inner_call.kind 5 ( 0.00%) && let Some(inner_seg) = segment(cx, inner_fn) 84 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_clamp.rs:clippy_lints::manual_clamp::is_call_max_min_pattern::segment (1x) . && let Some(outer_seg) = segment(cx, outer_fn) . { . let typeck = cx.typeck_results(); . let (input, inner_arg) = match ( . is_const_evaluatable(cx.tcx, typeck, first), . is_const_evaluatable(cx.tcx, typeck, second), . ) { . (true, false) => (second, first), -- line 391 ---------------------------------------- -- line 412 ---------------------------------------- . max, . is_float, . }, . span, . make_assignment: None, . hir_with_ignore_attr: None, . }) . } else { 348 ( 0.00%) None . } 2,784 ( 0.00%) } . 16,332 ( 0.00%) if let ExprKind::Call(outer_fn, [first, second]) = &expr.kind { 3,306 ( 0.00%) check(cx, outer_fn, first, second, expr.span).or_else(|| check(cx, outer_fn, second, first, expr.span)) 7,086 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_clamp.rs:clippy_lints::manual_clamp::is_call_max_min_pattern::check (348x) . } else { . None . } . } . . /// Targets patterns like . /// . /// ```no_run -- line 433 ---------------------------------------- -- line 436 ---------------------------------------- . /// match input { . /// input if input > max => max, . /// input if input < min => min, . /// input => input, . /// } . /// # ; . /// ``` . fn is_match_pattern<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Option> { 4,203 ( 0.00%) if let ExprKind::Match(value, [first_arm, second_arm, last_arm], rustc_hir::MatchSource::Normal) = &expr.kind { . // Find possible min/max branches . let minmax_values = |a: &'tcx Arm<'tcx>| { 105 ( 0.00%) if let PatKind::Binding(_, var_hir_id, _, None) = &a.pat.kind . && let Some(e) = a.guard . { . Some((e, var_hir_id, a.body)) . } else { . None . } . }; . let (first, first_hir_id, first_expr) = minmax_values(first_arm)?; -- line 455 ---------------------------------------- -- line 497 ---------------------------------------- . /// let mut x = input; . /// if x < min { x = min; } . /// if x > max { x = max; } . /// ``` . fn is_two_if_pattern<'tcx>(cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) -> Vec> { . block_stmt_with_last(block) . .tuple_windows() . .filter_map(|(maybe_set_first, maybe_set_second)| { 1,982 ( 0.00%) if let StmtKind::Expr(first_expr) = *maybe_set_first 502 ( 0.00%) && let StmtKind::Expr(second_expr) = *maybe_set_second . && let Some(If { . cond: first_cond, . then: first_then, . r#else: None, . }) = If::hir(first_expr) . && let Some(If { . cond: second_cond, . then: second_then, . r#else: None, . }) = If::hir(second_expr) 22 ( 0.00%) && let ExprKind::Assign(maybe_input_first_path, maybe_min_max_first, _) = 36 ( 0.00%) peel_blocks_with_stmt(first_then).kind 188 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::peel_blocks_with_stmt (9x) 8 ( 0.00%) && let ExprKind::Assign(maybe_input_second_path, maybe_min_max_second, _) = 6 ( 0.00%) peel_blocks_with_stmt(second_then).kind 44 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::peel_blocks_with_stmt (2x) 2 ( 0.00%) && let ctxt = first_expr.span.ctxt() 4 ( 0.00%) && second_expr.span.ctxt() == ctxt 18 ( 0.00%) && eq_expr_value(cx, ctxt, maybe_input_first_path, maybe_input_second_path) 4,260 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::eq_expr_value (2x) . && let Some(first_bin) = BinaryOp::new(first_cond) . && let Some(second_bin) = BinaryOp::new(second_cond) . && let Some(input_min_max) = is_clamp_meta_pattern( . cx, . ctxt, . &first_bin, . &second_bin, . maybe_min_max_first, -- line 531 ---------------------------------------- -- line 540 ---------------------------------------- . max: input_min_max.max, . is_float: input_min_max.is_float, . }, . span: first_expr.span.to(second_expr.span), . make_assignment: Some(maybe_input_first_path), . hir_with_ignore_attr: Some(first_expr.hir_id), . }) . } else { 313 ( 0.00%) None . } . }) . .collect() . } . . /// Targets patterns like . /// . /// ```no_run -- line 556 ---------------------------------------- -- line 568 ---------------------------------------- . then, . r#else: Some(else_if), . }) = If::hir(expr) . && let Some(If { . cond: else_if_cond, . then: else_if_then, . r#else: None, . }) = If::hir(peel_blocks(else_if)) 6 ( 0.00%) && let ExprKind::Assign(maybe_input_first_path, maybe_min_max_first, _) = peel_blocks_with_stmt(then).kind . && let ExprKind::Assign(maybe_input_second_path, maybe_min_max_second, _) = . peel_blocks_with_stmt(else_if_then).kind . { . let ctxt = expr.span.ctxt(); . let params = is_clamp_meta_pattern( . cx, . ctxt, . &BinaryOp::new(peel_blocks(cond))?, -- line 584 ---------------------------------------- -- line 608 ---------------------------------------- . left: &'tcx Expr<'tcx>, . right: &'tcx Expr<'tcx>, . } . . impl<'tcx> BinaryOp<'tcx> { . fn new(e: &'tcx Expr<'tcx>) -> Option> { . match &e.kind { . ExprKind::Binary(op, left, right) => Some(BinaryOp { 87 ( 0.00%) op: op.node, 87 ( 0.00%) left, . right, . }), . _ => None, . } . } . . fn flip(&self) -> Self { . Self { -- line 625 ---------------------------------------- -- line 651 ---------------------------------------- . /// - `Range` . /// - `RangeInclusive` . /// . /// And all other range types are not accepted. For the purposes of `clamp` it's irrelevant . /// whether the range is inclusive or not, the output is the same. . /// . /// - The result of each if statement must be equal to the argument unique to that if statement. The . /// result can not be the shared argument in either case. 387 ( 0.00%) fn is_clamp_meta_pattern<'tcx>( . cx: &LateContext<'tcx>, . ctxt: SyntaxContext, . first_bin: &BinaryOp<'tcx>, . second_bin: &BinaryOp<'tcx>, . first_expr: &'tcx Expr<'tcx>, . second_expr: &'tcx Expr<'tcx>, . // This parameters is exclusively for the match pattern. . // It exists because the variable bindings used in that pattern -- line 667 ---------------------------------------- -- line 708 ---------------------------------------- . let exprs = [ . first_bin.left, . first_bin.right, . second_bin.left, . second_bin.right, . first_expr, . second_expr, . ]; 215 ( 0.00%) let clampability = TypeClampability::is_clampable(cx, cx.typeck_results().expr_ty(first_expr))?; 1,720 ( 0.00%) => ???:::expr_ty (43x) . let is_float = clampability.is_float(); 430 ( 0.00%) if exprs.iter().any(|e| peel_blocks(e).can_have_side_effects()) { 4,687 ( 0.00%) => ???:::can_have_side_effects (215x) . return None; . } . let first_bin = try_normalize_unsigned_eq_to_ord(cx, first_bin, first_expr).unwrap_or(*first_bin); . let second_bin = try_normalize_unsigned_eq_to_ord(cx, second_bin, second_expr).unwrap_or(*second_bin); . let (first_bin, second_bin) = (&first_bin, &second_bin); . if !(is_ord_op(first_bin.op) && is_ord_op(second_bin.op)) { . return None; . } -- line 726 ---------------------------------------- -- line 750 ---------------------------------------- . &first, . second_expr, . first_expr, . input_hir_ids.map(|(l, r)| (r, l)), . is_float, . ) . }) . }) 344 ( 0.00%) } . . fn block_stmt_with_last<'tcx>(block: &'tcx Block<'tcx>) -> impl Iterator> { . block . .stmts . .iter() . .map(|s| MaybeBorrowedStmtKind::Borrowed(&s.kind)) . .chain( . block -- line 766 ---------------------------------------- -- line 819 ---------------------------------------- . #[derive(Debug)] . enum MaybeBorrowedStmtKind<'a> { . Borrowed(&'a StmtKind<'a>), . Owned(StmtKind<'a>), . } . . impl Clone for MaybeBorrowedStmtKind<'_> { . fn clone(&self) -> Self { 1,526 ( 0.00%) match self { . Self::Borrowed(t) => Self::Borrowed(t), . Self::Owned(StmtKind::Expr(e)) => Self::Owned(StmtKind::Expr(e)), . Self::Owned(_) => unreachable!("Owned should only ever contain a StmtKind::Expr."), . } . } . } . . impl<'a> Deref for MaybeBorrowedStmtKind<'a> { -- line 835 ---------------------------------------- 75,773 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/casts/needless_type_cast.rs -------------------------------------------------------------------------------- Ir -- line 19 ---------------------------------------- . init: Option<&'a Expr<'a>>, . } . . struct UsageInfo<'a> { . cast_to: Option>, . in_generic_context: bool, . } . 3,680 ( 0.00%) pub(super) fn check<'a>(cx: &LateContext<'a>, body: &Body<'a>) { . let mut bindings: FxHashMap> = FxHashMap::default(); . 460 ( 0.00%) for_each_expr_without_closures(body.value, |expr| { 257,703 ( 0.00%) match expr.kind { 2,342 ( 0.00%) ExprKind::Block(block, _) => { 2,342 ( 0.00%) for stmt in block.stmts { 22,272 ( 0.00%) if let StmtKind::Let(let_stmt) = stmt.kind { 6,456 ( 0.00%) collect_binding_from_local(cx, let_stmt, &mut bindings); 13,630 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/casts/needless_type_cast.rs:clippy_lints::casts::needless_type_cast::collect_binding_from_local (474x) . } . } . }, 107 ( 0.00%) ExprKind::Let(let_expr) => { 321 ( 0.00%) collect_binding_from_let(cx, let_expr, &mut bindings); 1,926 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/casts/needless_type_cast.rs:clippy_lints::casts::needless_type_cast::collect_binding_from_let (107x) . }, . _ => {}, . } . ControlFlow::<()>::Continue(()) . }); . . #[allow(rustc::potential_query_instability)] 1,380 ( 0.00%) let mut binding_vec: Vec<_> = bindings.into_iter().collect(); . binding_vec.sort_by_key(|(_, info)| info.ty_span.lo()); . 460 ( 0.00%) for (hir_id, binding_info) in binding_vec { . check_binding_usages(cx, body, hir_id, &binding_info); . } 3,680 ( 0.00%) } . 749 ( 0.00%) fn collect_binding_from_let<'a>( . cx: &LateContext<'a>, . let_expr: &rustc_hir::LetExpr<'a>, . bindings: &mut FxHashMap>, . ) { 107 ( 0.00%) if let_expr.ty.is_none() . || let_expr.span.from_expansion() . || has_generic_return_type(cx, let_expr.init) . || contains_unsafe(let_expr.init) . { . return; . } . . if let PatKind::Binding(_, hir_id, _, _) = let_expr.pat.kind -- line 69 ---------------------------------------- -- line 76 ---------------------------------------- . BindingInfo { . source_ty: ty, . ty_span: ty_hir.span, . init: Some(let_expr.init), . }, . ); . } . } 856 ( 0.00%) } . 15,064 ( 0.00%) fn collect_binding_from_local<'a>( . cx: &LateContext<'a>, . let_stmt: &LetStmt<'a>, . bindings: &mut FxHashMap>, . ) { 2,152 ( 0.00%) if let_stmt.ty.is_none() 242 ( 0.00%) || let_stmt.span.from_expansion() 23 ( 0.00%) || let_stmt . .init 65 ( 0.00%) .is_some_and(|init| has_generic_return_type(cx, init) || contains_unsafe(init)) 1,680 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/casts/needless_type_cast.rs:clippy_lints::casts::needless_type_cast::has_generic_return_type (13x) . { . return; . } . 15 ( 0.00%) if let PatKind::Binding(_, hir_id, _, _) = let_stmt.pat.kind . && let Some(ty_hir) = let_stmt.ty . { 5 ( 0.00%) let ty = cx.typeck_results().pat_ty(let_stmt.pat); 200 ( 0.00%) => ???:::pat_ty (5x) . if ty.is_numeric() { . bindings.insert( . hir_id, . BindingInfo { . source_ty: ty, . ty_span: ty_hir.span, . init: let_stmt.init, . }, . ); . } . } 17,216 ( 0.00%) } . . fn contains_unsafe(expr: &Expr<'_>) -> bool { . for_each_expr_without_closures(expr, |e| { 181 ( 0.00%) if let ExprKind::Block(block, _) = e.kind 6 ( 0.00%) && let BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided) = block.rules 113 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::>'2 (1x) . { . return ControlFlow::Break(()); . } . ControlFlow::Continue(()) . }) . .is_some() . } . 170 ( 0.00%) fn has_generic_return_type(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 115 ( 0.00%) match &expr.kind { . ExprKind::Block(block, _) => { . if let Some(tail_expr) = block.expr { . return has_generic_return_type(cx, tail_expr); . } . false . }, . ExprKind::If(_, then_block, else_expr) => { . has_generic_return_type(cx, then_block) || else_expr.is_some_and(|e| has_generic_return_type(cx, e)) . }, 20 ( 0.00%) ExprKind::Match(_, arms, _) => arms.iter().any(|arm| has_generic_return_type(cx, arm.body)), 88 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/casts/needless_type_cast.rs:clippy_lints::casts::needless_type_cast::has_generic_return_type'2 (4x) . ExprKind::Loop(block, label, ..) => for_each_expr_without_closures(*block, |e| { . match e.kind { . ExprKind::Loop(..) => { . // Unlabeled breaks inside nested loops target the inner loop, not ours . return ControlFlow::Continue(Descend::No); . }, . ExprKind::Break(dest, Some(break_expr)) => { . let targets_this_loop = -- line 148 ---------------------------------------- -- line 152 ---------------------------------------- . } . }, . _ => {}, . } . ControlFlow::Continue(Descend::Yes) . }) . .is_some(), . ExprKind::MethodCall(..) => { 40 ( 0.00%) if let Some(def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) { 408 ( 0.00%) => ???:::type_dependent_def_id (8x) 8 ( 0.00%) let sig = cx.tcx.fn_sig(def_id).instantiate_identity().skip_norm_wip(); . let ret_ty = sig.output().skip_binder(); . return ret_ty.has_param(); . } . false . }, . ExprKind::Call(callee, _) => { . if let ExprKind::Path(qpath) = &callee.kind { . let res = cx.qpath_res(qpath, callee.hir_id); -- line 169 ---------------------------------------- -- line 172 ---------------------------------------- . let ret_ty = sig.output().skip_binder(); . return ret_ty.has_param(); . } . } . false . }, . _ => false, . } 119 ( 0.00%) } . . fn is_generic_res(cx: &LateContext<'_>, res: Res) -> bool { . let has_type_params = |def_id| { . cx.tcx . .generics_of(def_id) . .own_params . .iter() . .any(|p| p.kind.is_ty_or_const()) -- line 188 ---------------------------------------- 32,052 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unnecessary_mut_passed.rs -------------------------------------------------------------------------------- Ir -- line 34 ---------------------------------------- . pub UNNECESSARY_MUT_PASSED, . style, . "an argument passed as a mutable reference although the callee only demands an immutable reference" . } . . declare_lint_pass!(UnnecessaryMutPassed => [UNNECESSARY_MUT_PASSED]); . . impl<'tcx> LateLintPass<'tcx> for UnnecessaryMutPassed { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 104,090 ( 0.00%) if e.span.from_expansion() { . // Issue #11268 . return; . } . 49,455 ( 0.00%) match e.kind { 1,380 ( 0.00%) ExprKind::Call(fn_expr, arguments) => { 1,380 ( 0.00%) if let ExprKind::Path(ref path) = fn_expr.kind . && arguments.iter().any(is_mut_ref_arg) . { 54 ( 0.00%) check_arguments( . cx, . &mut arguments.iter(), 12 ( 0.00%) cx.typeck_results().expr_ty(fn_expr), 240 ( 0.00%) => ???:::expr_ty (6x) . #[allow(trivial_casts)] 12 ( 0.00%) &|| { . rustc_hir_pretty::qpath_to_string( . &(&cx.tcx as &dyn intravisit::HirTyCtxt<'_>) as &dyn PpAnn, . path, . ) . }, . "function", . ); . } . }, 74 ( 0.00%) ExprKind::MethodCall(path, receiver, arguments, _) 4,179 ( 0.00%) if iter::once(receiver).chain(arguments.iter()).any(is_mut_ref_arg) 333 ( 0.00%) && let Some(def_id) = cx.typeck_results().type_dependent_def_id(e.hir_id) => 1,887 ( 0.00%) => ???:::type_dependent_def_id (37x) . { 185 ( 0.00%) let args = cx.typeck_results().node_args(e.hir_id); 1,443 ( 0.00%) => ???:::node_args (37x) 37 ( 0.00%) let method_type = cx.tcx.type_of(def_id).instantiate(cx.tcx, args).skip_norm_wip(); 333 ( 0.00%) check_arguments( . cx, . &mut iter::once(receiver).chain(arguments.iter()), . method_type, 37 ( 0.00%) &|| path.ident.as_str().to_owned(), . "method", . ); . }, . _ => (), . } 416,360 ( 0.01%) } . } . . /// Only `&mut ...` arguments can lint, so the type and path lookups run only after one is found. . fn is_mut_ref_arg(argument: &Expr<'_>) -> bool { 7,200 ( 0.00%) matches!(argument.kind, ExprKind::AddrOf(BorrowKind::Ref, Mutability::Mut, _)) . } . 516 ( 0.00%) fn check_arguments<'tcx>( . cx: &LateContext<'tcx>, . arguments: &mut dyn Iterator>, . type_definition: Ty<'tcx>, . name: &dyn Fn() -> String, . fn_kind: &str, . ) { . if type_definition.is_fn() { 129 ( 0.00%) let parameters = type_definition.fn_sig(cx.tcx).skip_binder().inputs(); 32,235 ( 0.00%) => ???:::fn_sig (43x) . for (argument, parameter) in iter::zip(arguments, parameters) { 729 ( 0.00%) if let ty::Ref(_, _, Mutability::Not) | ty::RawPtr(_, Mutability::Not) = parameter.kind() 18 ( 0.00%) && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Mut, arg) = argument.kind . { . let applicability = Applicability::MachineApplicable; . . let span_to_remove = { . let span_until_arg = argument.span.until(arg.span); . if let Some(Some(ref_pos)) = span_until_arg.with_source_text(cx, |src| { . src . // we don't use `strip_prefix` here, because `argument` might be enclosed in parens, in -- line 111 ---------------------------------------- -- line 128 ---------------------------------------- . format!("the {fn_kind} `{}` doesn't need a mutable reference", name()), . |diag| { . diag.span_suggestion_verbose(span_to_remove, "remove this `mut`", String::new(), applicability); . }, . ); . } . } . } 344 ( 0.00%) } 603 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/sync/atomic.rs -------------------------------------------------------------------------------- Ir -- line 754 ---------------------------------------- . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_atomic", issue = "160078")] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . pub const fn load(&self, order: Ordering) -> bool { . // SAFETY: any data races are prevented by atomic intrinsics and the raw . // pointer passed in is valid because we got it from a reference. 115,810 ( 0.00%) unsafe { atomic_load(self.v.get().cast::(), order) != 0 } . } . . /// Stores a value into the bool. . /// . /// `store` takes an [`Ordering`] argument which describes the memory ordering . /// of this operation. Possible values are [`SeqCst`], [`Release`] and [`Relaxed`]. . /// . /// # Panics -- line 770 ---------------------------------------- -- line 3970 ---------------------------------------- . . #[inline] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . #[rustc_const_unstable(feature = "const_atomic", issue = "160078")] . const unsafe fn atomic_store(dst: *mut T, val: T, order: Ordering) { . // SAFETY: the caller must uphold the safety contract for `atomic_store`. . unsafe { . match order { 2 ( 0.00%) Relaxed => intrinsics::atomic_store::(dst, val), . Release => intrinsics::atomic_store::(dst, val), . SeqCst => intrinsics::atomic_store::(dst, val), . Acquire => panic!("there is no such thing as an acquire store"), . AcqRel => panic!("there is no such thing as an acquire-release store"), . } . } . } . . #[inline] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . #[rustc_const_unstable(feature = "const_atomic", issue = "160078")] . const unsafe fn atomic_load(dst: *const T, order: Ordering) -> T { . // SAFETY: the caller must uphold the safety contract for `atomic_load`. . unsafe { . match order { 110,765 ( 0.00%) Relaxed => intrinsics::atomic_load::(dst), 28,349 ( 0.00%) Acquire => intrinsics::atomic_load::(dst), . SeqCst => intrinsics::atomic_load::(dst), . Release => panic!("there is no such thing as a release load"), . AcqRel => panic!("there is no such thing as an acquire-release load"), . } . } . } . . #[inline] -- line 4003 ---------------------------------------- -- line 4005 ---------------------------------------- . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . #[rustc_const_unstable(feature = "const_atomic", issue = "160078")] . const unsafe fn atomic_swap(dst: *mut T, val: T, order: Ordering) -> T { . // SAFETY: the caller must uphold the safety contract for `atomic_swap`. . unsafe { . match order { . Relaxed => intrinsics::atomic_xchg::(dst, val), . Acquire => intrinsics::atomic_xchg::(dst, val), 174 ( 0.00%) Release => intrinsics::atomic_xchg::(dst, val), . AcqRel => intrinsics::atomic_xchg::(dst, val), . SeqCst => intrinsics::atomic_xchg::(dst, val), . } . } . } . . /// Returns the previous value (like __sync_fetch_and_add). . #[inline] . #[cfg(target_has_atomic)] . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . #[rustc_const_unstable(feature = "const_atomic", issue = "160078")] . const unsafe fn atomic_add(dst: *mut T, val: U, order: Ordering) -> T { . // SAFETY: the caller must uphold the safety contract for `atomic_add`. . unsafe { . match order { 10,923 ( 0.00%) Relaxed => intrinsics::atomic_xadd::(dst, val), . Acquire => intrinsics::atomic_xadd::(dst, val), . Release => intrinsics::atomic_xadd::(dst, val), . AcqRel => intrinsics::atomic_xadd::(dst, val), . SeqCst => intrinsics::atomic_xadd::(dst, val), . } . } . } . -- line 4037 ---------------------------------------- -- line 4041 ---------------------------------------- . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . #[rustc_const_unstable(feature = "const_atomic", issue = "160078")] . const unsafe fn atomic_sub(dst: *mut T, val: U, order: Ordering) -> T { . // SAFETY: the caller must uphold the safety contract for `atomic_sub`. . unsafe { . match order { . Relaxed => intrinsics::atomic_xsub::(dst, val), . Acquire => intrinsics::atomic_xsub::(dst, val), 16,999 ( 0.00%) Release => intrinsics::atomic_xsub::(dst, val), . AcqRel => intrinsics::atomic_xsub::(dst, val), . SeqCst => intrinsics::atomic_xsub::(dst, val), . } . } . } . . /// Publicly exposed for stdarch; nobody else should use this. . #[inline] -- line 4057 ---------------------------------------- -- line 4075 ---------------------------------------- . } . (Relaxed, Acquire) => { . intrinsics::atomic_cxchg::(dst, old, new) . } . (Relaxed, SeqCst) => { . intrinsics::atomic_cxchg::(dst, old, new) . } . (Acquire, Relaxed) => { 261 ( 0.00%) intrinsics::atomic_cxchg::(dst, old, new) . } . (Acquire, Acquire) => { . intrinsics::atomic_cxchg::(dst, old, new) . } . (Acquire, SeqCst) => { . intrinsics::atomic_cxchg::(dst, old, new) . } . (Release, Relaxed) => { -- line 4091 ---------------------------------------- 287 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/res.rs -------------------------------------------------------------------------------- Ir -- line 41 ---------------------------------------- . /// only returned so logic errors can be handled by not emitting a lint on . /// release builds. . #[inline] . #[cfg_attr(debug_assertions, track_caller)] . fn ty_based_def(&self, node: impl HasHirId) -> Option { . #[inline] . #[cfg_attr(debug_assertions, track_caller)] . fn f(typeck: &TypeckResults<'_>, id: HirId) -> Option { 1,273 ( 0.00%) if typeck.hir_owner == id.owner { 4,798 ( 0.00%) let def = typeck.type_dependent_def(id); 2,157 ( 0.00%) => ???:::type_dependent_def (39x) . debug_assert!( . def.is_some(), . "attempted type-dependent lookup for a node with no definition\ . \n node `{id:?}`", . ); . def . } else { . debug_assert!( -- line 58 ---------------------------------------- -- line 99 ---------------------------------------- . /// use for type dependant lookup. . fn opt_qpath(self) -> Option>; . . /// If this is a path gets its resolution. Returns `Res::Err` otherwise. . #[inline] . #[cfg_attr(debug_assertions, track_caller)] . fn res<'tcx>(self, typeck: &impl MaybeTypeckRes<'tcx>) -> Res { . #[cfg_attr(debug_assertions, track_caller)] 7,580 ( 0.00%) fn f(qpath: &QPath<'_>, id: HirId, typeck: &TypeckResults<'_>) -> Res { 15,962 ( 0.00%) match *qpath { 37,164 ( 0.00%) QPath::Resolved(_, p) => p.res, 2,699 ( 0.00%) QPath::TypeRelative(..) if let Some((kind, id)) = typeck.ty_based_def(id) => Res::Def(kind, id), . QPath::TypeRelative(..) => Res::Err, . } 8,014 ( 0.00%) } . match self.opt_qpath() { 19,125 ( 0.00%) Some((qpath, id)) if let Some(typeck) = typeck.typeck_res() => f(qpath, id, typeck), 1,809 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/res.rs:clippy_utils::res::MaybeQPath::res::f (177x) 73 ( 0.00%) _ => Res::Err, . } . } . . /// If this is a path with the specified name as its final segment gets its . /// resolution. Returns `Res::Err` otherwise. . #[inline] . #[cfg_attr(debug_assertions, track_caller)] . fn res_if_named<'tcx>(self, typeck: &impl MaybeTypeckRes<'tcx>, name: Symbol) -> Res { -- line 124 ---------------------------------------- -- line 243 ---------------------------------------- . } . . /// If this is a type-relative path gets the definition it resolves to. . /// . /// Only inherent associated items require a type-relative path. . #[inline] . #[cfg_attr(debug_assertions, track_caller)] . fn ty_rel_def<'tcx>(self, typeck: &impl MaybeTypeckRes<'tcx>) -> Option { 126 ( 0.00%) match self.opt_qpath() { 91 ( 0.00%) Some((QPath::TypeRelative(..), id)) => typeck.ty_based_def(id), . _ => None, . } . } . . /// If this is a type-relative path to an item with the specified name gets . /// the definition it resolves to. . /// . /// Only inherent associated items require a type-relative path. . #[inline] . #[cfg_attr(debug_assertions, track_caller)] . fn ty_rel_def_if_named<'tcx>(self, typeck: &impl MaybeTypeckRes<'tcx>, name: Symbol) -> Option { 22 ( 0.00%) match self.opt_qpath() { 6 ( 0.00%) Some((&QPath::TypeRelative(_, seg), id)) if seg.ident.name == name => typeck.ty_based_def(id), . _ => None, . } . } . . /// If this is a type-relative path gets the definition it resolves to and . /// its final segment. . /// . /// Only inherent associated items require a type-relative path. -- line 273 ---------------------------------------- -- line 285 ---------------------------------------- . #[inline] . fn opt_qpath(self) -> Option> { . Some((self.0, self.1)) . } . } . impl<'tcx> MaybeQPath<'tcx> for &'tcx Expr<'_> { . #[inline] . fn opt_qpath(self) -> Option> { 47,308 ( 0.00%) match &self.kind { 22,749 ( 0.00%) ExprKind::Path(qpath) => Some((qpath, self.hir_id)), . _ => None, . } . } . } . impl<'tcx> MaybeQPath<'tcx> for &'tcx PatExpr<'_> { . #[inline] . fn opt_qpath(self) -> Option> { . match &self.kind { -- line 302 ---------------------------------------- -- line 366 ---------------------------------------- . fn basic_res(self) -> &'a Res { . self.opt_res_path().1.map_or(&Res::Err, |p| &p.res) . } . . /// If this node is a path to a local gets the local's `HirId`. . #[inline] . fn res_local_id(self) -> Option { . if let (_, Some(p)) = self.opt_res_path() 195,909 ( 0.00%) && let Res::Local(id) = p.res . { . Some(id) . } else { . None . } . } . . /// If this node is a path to a local gets the local's `HirId` and identifier. -- line 382 ---------------------------------------- -- line 405 ---------------------------------------- . #[inline] . fn basic_res(self) -> &'a Res { . &self.res . } . } . impl<'a> MaybeResPath<'a> for &QPath<'a> { . #[inline] . fn opt_res_path(self) -> OptResPath<'a> { 18,228 ( 0.00%) match *self { 76,224 ( 0.00%) QPath::Resolved(ty, path) => (ty, Some(path)), . QPath::TypeRelative(..) => (None, None), . } . } . . #[inline] . fn opt_ty_rel_path(self) -> OptTyRelPath<'a> { . match *self { . QPath::TypeRelative(ty, seg) => Some((ty, seg)), . QPath::Resolved(..) => None, . } . } . } . impl<'a> MaybeResPath<'a> for &Expr<'a> { . #[inline] . fn opt_res_path(self) -> OptResPath<'a> { 766,717 ( 0.01%) match &self.kind { 2,122 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::::{closure#0}>>'2 (7x) . ExprKind::Path(qpath) => qpath.opt_res_path(), . _ => (None, None), . } . } . . #[inline] . fn opt_ty_rel_path(self) -> OptTyRelPath<'a> { . match &self.kind { -- line 438 ---------------------------------------- -- line 456 ---------------------------------------- . PatExprKind::Path(qpath) => qpath.opt_ty_rel_path(), . PatExprKind::Lit { .. } => None, . } . } . } . impl<'a, AmbigArg> MaybeResPath<'a> for &hir::Ty<'a, AmbigArg> { . #[inline] . fn opt_res_path(self) -> OptResPath<'a> { 255 ( 0.00%) match &self.kind { . TyKind::Path(qpath) => qpath.opt_res_path(), . _ => (None, None), . } . } . . #[inline] . fn opt_ty_rel_path(self) -> OptTyRelPath<'a> { . match &self.kind { -- line 472 ---------------------------------------- -- line 518 ---------------------------------------- . . /// Gets this definition's id and kind. This will lookup the kind in the def . /// tree if needed. . fn opt_def<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> Option<(DefKind, DefId)>; . . /// Gets the diagnostic name of this definition if it has one. . #[inline] . fn opt_diag_name<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> Option { 8,003 ( 0.00%) self.opt_def_id().and_then(|id| tcx.tcx().get_diagnostic_name(id)) 2,002 ( 0.00%) => ???:::get_diagnostic_name (26x) . } . . /// Checks if this definition has the specified diagnostic name. . #[inline] . fn is_diag_item<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>, name: Symbol) -> bool { . self.opt_def_id() 46,318 ( 0.00%) .is_some_and(|id| tcx.tcx().is_diagnostic_item(name, id)) 1,767 ( 0.00%) => ???:::is_diagnostic_item (19x) . } . . /// Checks if this definition is the specified `LangItem`. . #[inline] . fn is_lang_item<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>, item: LangItem) -> bool { . self.opt_def_id() 1,406 ( 0.00%) .is_some_and(|id| tcx.tcx().lang_items().get(item) == Some(id)) 9,000 ( 0.00%) => ???:::lang_items (300x) . } . . /// If this definition is an impl block gets its type. . #[inline] 464 ( 0.00%) fn opt_impl_ty<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> Option>> { 364 ( 0.00%) match self.opt_def(tcx) { 1,870 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/res.rs:::opt_def:: (17x) 55 ( 0.00%) Some((DefKind::Impl { .. }, id)) => Some(tcx.tcx().type_of(id)), . _ => None, . } 462 ( 0.00%) } . . /// Gets the parent of this definition if it has one. . #[inline] 110 ( 0.00%) fn opt_parent<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> Option { . self.opt_def_id().and_then(|id| tcx.tcx().opt_parent(id)) 220 ( 0.00%) } . . /// Checks if this definition is an impl block. . #[inline] . fn is_impl<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> bool { 156 ( 0.00%) matches!(self.opt_def(tcx), Some((DefKind::Impl { .. }, _))) . } . . /// If this definition is a constructor gets the `DefId` of it's type or variant. . #[inline] . fn ctor_parent<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> Option { 1,174 ( 0.00%) match self.opt_def(tcx) { . Some((DefKind::Ctor(..), id)) => tcx.tcx().opt_parent(id), . _ => None, . } . } . . /// If this definition is an associated item of an impl or trait gets the . /// `DefId` of its parent. . #[inline] 234 ( 0.00%) fn assoc_parent<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> Option { 30 ( 0.00%) match self.opt_def(tcx) { . Some((DefKind::AssocConst { .. } | DefKind::AssocFn | DefKind::AssocTy, id)) => tcx.tcx().opt_parent(id), . _ => None, . } 312 ( 0.00%) } . . /// If this definition is an associated function of an impl or trait gets the . /// `DefId` of its parent. . #[inline] . fn assoc_fn_parent<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> Option { 191 ( 0.00%) match self.opt_def(tcx) { . Some((DefKind::AssocFn, id)) => tcx.tcx().opt_parent(id), . _ => None, . } . } . } . impl MaybeDef for DefId { . #[inline] . fn opt_def_id(self) -> Option { . Some(self) . } . . #[inline] 601 ( 0.00%) fn opt_def<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> Option<(DefKind, DefId)> { . self.opt_def_id().map(|id| (tcx.tcx().def_kind(id), id)) 440 ( 0.00%) } . } . impl MaybeDef for (DefKind, DefId) { . #[inline] . fn opt_def_id(self) -> Option { . Some(self.1) . } . . #[inline] . fn opt_def<'tcx>(self, _: &impl HasTyCtxt<'tcx>) -> Option<(DefKind, DefId)> { 91 ( 0.00%) Some(self) . } . } . impl MaybeDef for AdtDef<'_> { . #[inline] . fn opt_def_id(self) -> Option { . Some(self.did()) . } . -- line 620 ---------------------------------------- -- line 642 ---------------------------------------- . impl MaybeDef for Res { . #[inline] . fn opt_def_id(self) -> Option { . Res::opt_def_id(&self) . } . . #[inline] . fn opt_def<'tcx>(self, _: &impl HasTyCtxt<'tcx>) -> Option<(DefKind, DefId)> { 1,840 ( 0.00%) match self { 919 ( 0.00%) Res::Def(kind, id) => Some((kind, id)), . _ => None, . } . } . } . impl MaybeDef for Option { . #[inline] . fn opt_def_id(self) -> Option { . self.and_then(T::opt_def_id) . } . . #[inline] . fn opt_def<'tcx>(self, tcx: &impl HasTyCtxt<'tcx>) -> Option<(DefKind, DefId)> { 76 ( 0.00%) self.and_then(|x| T::opt_def(x, tcx)) 3,382 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/res.rs:::opt_def:: (38x) . } . } . impl MaybeDef for EarlyBinder<'_, T> { . #[inline] . fn opt_def_id(self) -> Option { . self.skip_binder().opt_def_id() . } . -- line 672 ---------------------------------------- 150,894 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs -------------------------------------------------------------------------------- Ir -- line 38 ---------------------------------------- . pub NEG_CMP_OP_ON_PARTIAL_ORD, . complexity, . "The use of negated comparison operators on partially ordered types may produce confusing code." . } . . declare_lint_pass!(NoNegCompOpForPartialOrd => [NEG_CMP_OP_ON_PARTIAL_ORD]); . . impl<'tcx> LateLintPass<'tcx> for NoNegCompOpForPartialOrd { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,333 ( 0.00%) if let ExprKind::Unary(UnOp::Not, inner) = expr.kind 130 ( 0.00%) && let ExprKind::Binary(ref op, left, _) = inner.kind 12 ( 0.00%) && let BinOpKind::Le | BinOpKind::Ge | BinOpKind::Lt | BinOpKind::Gt = op.node 6 ( 0.00%) && !expr.span.in_external_macro(cx.sess().source_map()) . { . let ty = cx.typeck_results().expr_ty(left); . . let implements_ord = { . if let Some(id) = cx.tcx.get_diagnostic_item(sym::Ord) { . implements_trait(cx, ty, id, &[]) . } else { . return; -- line 58 ---------------------------------------- -- line 74 ---------------------------------------- . expr.span, . "the use of negated comparison operators on partially ordered \ . types produces code that is hard to read and refactor, please \ . consider using the `partial_cmp` method instead, to make it \ . clear that the two values could be incomparable", . ); . } . } 416,360 ( 0.01%) } . } 18 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/slow_vector_initialization.rs -------------------------------------------------------------------------------- Ir -- line 95 ---------------------------------------- . . /// Resize is a slow initialization with the form `vec.resize(.., 0)` . Resize(&'tcx Expr<'tcx>), . } . . impl<'tcx> LateLintPass<'tcx> for SlowVectorInit { . fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { . // Matches initialization on reassignments. For example: `vec = Vec::with_capacity(100)` 104,130 ( 0.00%) if let ExprKind::Assign(left, right, _) = expr.kind . && let Some(local_id) = left.res_local_id() 105 ( 0.00%) && let Some(size_expr) = Self::as_vec_initializer(cx, right) 3,242 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/slow_vector_initialization.rs:::as_vec_initializer (21x) . { . let vi = VecAllocation { . local_id, . allocation_expr: right, . size_expr, . }; . . Self::search_initialization(cx, vi, expr.hir_id); . } . } . . fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { . // Matches statements which initializes vectors. For example: `let mut vec = Vec::with_capacity(10)` . // or `Vec::new()` 22,400 ( 0.00%) if let StmtKind::Let(local) = stmt.kind 16,396 ( 0.00%) && let PatKind::Binding(BindingMode::MUT, local_id, _, None) = local.pat.kind 3,210 ( 0.00%) && let Some(init) = local.init 5,350 ( 0.00%) && let Some(size_expr) = Self::as_vec_initializer(cx, init) 1,638,619 ( 0.03%) => site/frontend/rust-clippy/clippy_lints/src/slow_vector_initialization.rs:::as_vec_initializer (1,070x) . { . let vi = VecAllocation { . local_id, . allocation_expr: init, . size_expr, . }; . . Self::search_initialization(cx, vi, stmt.hir_id); -- line 131 ---------------------------------------- -- line 134 ---------------------------------------- . } . . impl SlowVectorInit { . /// Looks for `Vec::with_capacity(size)` or `Vec::new()` calls and returns the initialized size, . /// if any. More specifically, it returns: . /// - `Some(InitializedSize::Initialized(size))` for `Vec::with_capacity(size)` . /// - `Some(InitializedSize::Uninitialized)` for `Vec::new()` . /// - `None` for other, unrelated kinds of expressions 5,455 ( 0.00%) fn as_vec_initializer<'tcx>(cx: &LateContext<'_>, expr: &'tcx Expr<'tcx>) -> Option> { . // Generally don't warn if the vec initializer comes from an expansion, except for the vec! macro. . // This lets us still warn on `vec![]`, while ignoring other kinds of macros that may output an . // empty vec 8,062 ( 0.00%) if expr.span.from_expansion() && matching_root_macro_call(cx, expr.span, sym::vec_macro).is_none() { 1,609,420 ( 0.03%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/macros.rs:clippy_utils::macros::matching_root_macro_call (980x) . return None; . } . 1,323 ( 0.00%) if let ExprKind::Call(func, [len_expr]) = expr.kind . && func.ty_rel_def(cx).is_diag_item(cx, sym::vec_with_capacity) . { . Some(InitializedSize::Initialized(len_expr)) 114 ( 0.00%) } else if let ExprKind::Call(func, []) = expr.kind 12 ( 0.00%) && func.ty_rel_def(cx).is_diag_item(cx, sym::vec_new) . { . Some(InitializedSize::Uninitialized) . } else { . None . } 5,455 ( 0.00%) } . . /// Search initialization for the given vector . fn search_initialization<'tcx>(cx: &LateContext<'tcx>, vec_alloc: VecAllocation<'tcx>, parent_node: HirId) { . let enclosing_body = get_enclosing_block(cx, parent_node); . . if enclosing_body.is_none() { . return; . } -- line 169 ---------------------------------------- 3,252 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/len_zero.rs -------------------------------------------------------------------------------- Ir -- line 96 ---------------------------------------- . . impl LenZero { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for LenZero { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,242 ( 0.00%) if let ExprKind::Let(lt) = expr.kind 951 ( 0.00%) && match lt.pat.kind { . PatKind::Slice([], None, []) => true, . PatKind::Expr(lit) 18 ( 0.00%) if let PatExprKind::Lit { lit, .. } = lit.kind . && let LitKind::Str(lit, _) = lit.node => . { . lit.as_str().is_empty() . }, . _ => false, . } . && !expr.span.from_expansion() . && has_is_empty(cx, lt.init, self.msrv) -- line 117 ---------------------------------------- -- line 127 ---------------------------------------- . lt.span, . "comparison to empty slice using `if let`", . "using `is_empty` is clearer and more explicit", . format!("{lit_str}.is_empty()"), . applicability, . ); . } . 107,064 ( 0.00%) if let ExprKind::MethodCall(method, lhs_expr, [rhs_expr], _) = expr.kind 3,112 ( 0.00%) && cx.ty_based_def(expr).opt_parent(cx).is_diag_item(cx, sym::PartialEq) . && !expr.span.from_expansion() . { . self.check_empty_expr( . cx, . expr.span, . lhs_expr, . peel_ref_operators(cx, rhs_expr), . if method.ident.name == sym::ne { . "!" . } else { . Default::default() . }, . ); . } . 103,836 ( 0.00%) if let ExprKind::Binary(Spanned { node: cmp, .. }, left, right) = expr.kind 492 ( 0.00%) && !expr.span.from_expansion() . { . // expr.span might contains parenthesis, see issue #10529 151 ( 0.00%) let actual_span = span_without_enclosing_paren(cx, expr.span); 732 ( 0.00%) match cmp { . BinOpKind::Eq => { 880 ( 0.00%) self.check_cmp(cx, actual_span, left, right, "", 0); // len == 0 6,436 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/len_zero.rs:::check_cmp (80x) 640 ( 0.00%) self.check_cmp(cx, actual_span, right, left, "", 0); // 0 == len . }, . BinOpKind::Ne => { 65 ( 0.00%) self.check_cmp(cx, actual_span, left, right, "!", 0); // len != 0 481 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/len_zero.rs:::check_cmp (5x) 35 ( 0.00%) self.check_cmp(cx, actual_span, right, left, "!", 0); // 0 != len . }, . BinOpKind::Gt => { 44 ( 0.00%) self.check_cmp(cx, actual_span, left, right, "!", 0); // len > 0 500 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/len_zero.rs:::check_cmp (4x) 28 ( 0.00%) self.check_cmp(cx, actual_span, right, left, "", 1); // 1 > len . }, . BinOpKind::Lt => { 22 ( 0.00%) self.check_cmp(cx, actual_span, left, right, "", 1); // len < 1 112 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/len_zero.rs:::check_cmp (2x) 12 ( 0.00%) self.check_cmp(cx, actual_span, right, left, "!", 0); // 0 < len . }, . BinOpKind::Ge => self.check_cmp(cx, actual_span, left, right, "!", 1), // len >= 1 10 ( 0.00%) BinOpKind::Le => self.check_cmp(cx, actual_span, right, left, "!", 1), // 1 <= len . _ => (), . } . } 416,360 ( 0.01%) } . } . . impl LenZero { 1,656 ( 0.00%) fn check_cmp( . &self, . cx: &LateContext<'_>, . span: Span, . method: &Expr<'_>, . lit: &Expr<'_>, . op: &str, . compare_to: u32, . ) { 368 ( 0.00%) if method.span.from_expansion() { . return; . } . 468 ( 0.00%) if let (&ExprKind::MethodCall(method_path, receiver, [], _), ExprKind::Lit(lit)) = (&method.kind, &lit.kind) { . // check if we are in an is_empty() method 75 ( 0.00%) if parent_item_name(cx, method) == Some(sym::is_empty) { 2,064 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::parent_item_name (15x) . return; . } . 60 ( 0.00%) self.check_len(cx, span, method_path.ident.name, receiver, &lit.node, op, compare_to); . } else { 1,352 ( 0.00%) self.check_empty_expr(cx, span, method, lit, op); 4,865 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/len_zero.rs:::check_empty_expr (169x) . } 120 ( 0.00%) } . . #[expect(clippy::too_many_arguments)] . fn check_len( . &self, . cx: &LateContext<'_>, . span: Span, . method_name: Symbol, . receiver: &Expr<'_>, . lit: &LitKind, . op: &str, . compare_to: u32, . ) { 75 ( 0.00%) if let LitKind::Int(lit, _) = *lit { . // check if length is compared to the specified number . if lit != u128::from(compare_to) { . return; . } . . if method_name == sym::len && has_is_empty(cx, receiver, self.msrv) { . let mut applicability = Applicability::MachineApplicable; . span_lint_and_sugg( -- line 227 ---------------------------------------- -- line 235 ---------------------------------------- . snippet_with_context(cx, receiver.span, span.ctxt(), "_", &mut applicability).0, . ), . applicability, . ); . } . } . } . 2,366 ( 0.00%) fn check_empty_expr(&self, cx: &LateContext<'_>, span: Span, lit1: &Expr<'_>, lit2: &Expr<'_>, op: &str) { 6 ( 0.00%) if (is_empty_array(lit2) || is_empty_string(lit2)) && has_is_empty(cx, lit1, self.msrv) { . let mut applicability = Applicability::MachineApplicable; . . let lit1 = peel_ref_operators(cx, lit1); . let lit_str = Sugg::hir_with_context(cx, lit1, span.ctxt(), "_", &mut applicability).maybe_paren(); . . span_lint_and_sugg( . cx, . COMPARISON_TO_EMPTY, . span, . "comparison to empty slice", . format!("using `{op}is_empty` is clearer and more explicit"), . format!("{op}{lit_str}.is_empty()"), . applicability, . ); . } 1,352 ( 0.00%) } . } . . fn span_without_enclosing_paren(cx: &LateContext<'_>, span: Span) -> Span { 1,057 ( 0.00%) let Some(snippet) = span.get_text(cx) else { . return span; . }; 453 ( 0.00%) if has_enclosing_paren(snippet) { 9,060 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/sugg.rs:clippy_utils::sugg::has_enclosing_paren:: (151x) 2 ( 0.00%) let source_map = cx.tcx.sess.source_map(); 8 ( 0.00%) let left_paren = source_map.start_point(span); 444 ( 0.00%) => ???:::start_point (2x) 6 ( 0.00%) let right_parent = source_map.end_point(span); 750 ( 0.00%) => ???:::end_point (2x) 4 ( 0.00%) left_paren.between(right_parent) 214 ( 0.00%) => ???:::between (2x) . } else { . span . } . } . . fn is_empty_string(expr: &Expr<'_>) -> bool { 370 ( 0.00%) if let ExprKind::Lit(lit) = expr.kind . && let LitKind::Str(lit, _) = lit.node . { . let lit = lit.as_str(); . return lit.is_empty(); . } . false . } . . fn is_empty_array(expr: &Expr<'_>) -> bool { 507 ( 0.00%) if let ExprKind::Array(arr) = expr.kind { . return arr.is_empty(); . } . false . } . . /// Checks if this type has an `is_empty` method. . fn has_is_empty(cx: &LateContext<'_>, expr: &Expr<'_>, msrv: Msrv) -> bool { . /// Gets an `AssocItem` and return true if it matches `is_empty(self)`. -- line 296 ---------------------------------------- 3,703 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_float_methods.rs -------------------------------------------------------------------------------- Ir -- line 128 ---------------------------------------- . | DefKind::Ctor(..) . | DefKind::AssocConst { .. } => false, . . DefKind::Fn | DefKind::AssocFn | DefKind::Closure => tcx.constness(def_id) == Constness::NotConst, . } . } . . impl<'tcx> LateLintPass<'tcx> for ManualFloatMethods { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 104,350 ( 0.00%) if let ExprKind::Binary(kind, lhs, rhs) = expr.kind 496 ( 0.00%) && let ExprKind::Binary(lhs_kind, lhs_lhs, lhs_rhs) = lhs.kind 36 ( 0.00%) && let ExprKind::Binary(rhs_kind, rhs_lhs, rhs_rhs) = rhs.kind . // Checking all possible scenarios using a function would be a hopeless task, as we have . // 16 possible alignments of constants/operands. For now, let's use `partition`. 12 ( 0.00%) && let mut exprs = [lhs_lhs, lhs_rhs, rhs_lhs, rhs_rhs] 8 ( 0.00%) && exprs.iter_mut().partition_in_place(|i| i.res_local_id().is_some()) == 2 . && !expr.span.in_external_macro(cx.sess().source_map()) . && ( . is_not_const(cx.tcx, cx.tcx.hir_enclosing_body_owner(expr.hir_id).into()) . || self.msrv.meets(cx, msrvs::CONST_FLOAT_CLASSIFY) . ) . && let [first, second, const_1, const_2] = exprs . && let ecx = ConstEvalCtxt::new(cx) . && let ctxt = expr.span.ctxt() -- line 151 ---------------------------------------- -- line 197 ---------------------------------------- . "or, for conciseness", . format!("!{local_snippet}.is_infinite()"), . Applicability::MaybeIncorrect, . ); . }, . } . }); . } 416,360 ( 0.01%) } . } 16 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/needless_ifs.rs -------------------------------------------------------------------------------- Ir -- line 32 ---------------------------------------- . pub NEEDLESS_IFS, . complexity, . "checks for empty if branches" . } . . declare_lint_pass!(NeedlessIfs => [NEEDLESS_IFS]); . . impl LateLintPass<'_> for NeedlessIfs { 70,868 ( 0.00%) fn check_stmt<'tcx>(&mut self, cx: &LateContext<'tcx>, stmt: &Stmt<'tcx>) { 20,576 ( 0.00%) if let StmtKind::Expr(expr) = stmt.kind . && let Some(If { . cond, . then, . r#else: None, . }) = If::hir(expr) 180 ( 0.00%) && let ExprKind::Block(block, ..) = then.kind 60 ( 0.00%) && block.stmts.is_empty() . && block.expr.is_none() . && !expr.span.in_external_macro(cx.sess().source_map()) . && then.span.check_text(cx, |src| { . // Ignore . // - empty macro expansions . // - empty reptitions in macro expansions . // - comments . // - #[cfg]'d out code -- line 56 ---------------------------------------- -- line 76 ---------------------------------------- . format!("{cond_snippet};") . } . } else { . String::new() . }, . Applicability::MachineApplicable, . ); . } 80,992 ( 0.00%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/needless_else.rs -------------------------------------------------------------------------------- Ir -- line 32 ---------------------------------------- . style, . "empty else branch" . } . . declare_lint_pass!(NeedlessElse => [NEEDLESS_ELSE]); . . impl EarlyLintPass for NeedlessElse { . fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 99,728 ( 0.00%) if let ExprKind::If(_, then_block, Some(else_clause)) = &expr.kind 258 ( 0.00%) && let ExprKind::Block(block, _) = &else_clause.kind 146 ( 0.00%) && !expr.span.from_expansion() 146 ( 0.00%) && !else_clause.span.from_expansion() 146 ( 0.00%) && block.stmts.is_empty() . && let range = (then_block.span.hi()..expr.span.hi()).trim_start(cx) . && range.clone().check_text(cx, |src| { . // Ignore else blocks that contain comments or #[cfg]s . !src.contains(['/', '#']) . }) . { . span_lint_and_sugg( . cx, -- line 52 ---------------------------------------- -- line 53 ---------------------------------------- . NEEDLESS_ELSE, . range.with_ctxt(expr.span.ctxt()), . "this `else` branch is empty", . "you can remove it", . String::new(), . Applicability::MachineApplicable, . ); . } 49,390 ( 0.00%) } . } 1,806 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/cmp.rs -------------------------------------------------------------------------------- Ir -- line 13 ---------------------------------------- . #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] . const impl PartialEq<[U]> for [T] . where . T: [const] PartialEq, . { . #[inline] . fn eq(&self, other: &[U]) -> bool { . let len = self.len(); 3,908 ( 0.00%) if len == other.len() { . // SAFETY: Just checked that they're the same length, and the pointers . // come from references-to-slices so they're guaranteed readable. . unsafe { SlicePartialEq::equal_same_length(self.as_ptr(), other.as_ptr(), len) } . } else { . false . } . } . } -- line 29 ---------------------------------------- -- line 149 ---------------------------------------- . { . #[inline] . unsafe fn equal_same_length(lhs: *const Self, rhs: *const B, len: usize) -> bool { . // SAFETY: by our precondition, `lhs` and `rhs` are guaranteed to be valid . // for reading `len` values, which also means the size is guaranteed . // not to overflow because it exists in memory; . unsafe { . let size = crate::intrinsics::unchecked_mul(len, Self::SIZE); 206,151 ( 0.00%) compare_bytes(lhs as _, rhs as _, size) == 0 46,960 ( 0.00%) => ???:0x0000000000173660 (3,302x) . } . } . } . . #[doc(hidden)] . #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] . // intermediate trait for specialization of slice's PartialOrd . const trait SlicePartialOrd: Sized { -- line 165 ---------------------------------------- -- line 382 ---------------------------------------- . fn slice_contains(&self, x: &[Self]) -> bool; . } . . impl SliceContains for T . where . T: PartialEq, . { . default fn slice_contains(&self, x: &[Self]) -> bool { 8 ( 0.00%) x.iter().any(|y| *y == *self) . } . } . . impl SliceContains for T { . #[inline] . fn slice_contains(&self, x: &[Self]) -> bool { . // SAFETY: `UnsignedBytewiseOrd` guarantees that `Self` has the same . // layout as `u8` and is initialized, so both the value and slice can -- line 398 ---------------------------------------- -- line 429 ---------------------------------------- . // SIMD . let mut chunks = arr.chunks_exact(LANE_COUNT); . for chunk in &mut chunks { . if chunk.iter().fold(false, |acc, x| acc | (*x == *self)) { . return true; . } . } . // Scalar remainder 47 ( 0.00%) return chunks.remainder().iter().any(|x| *x == *self); . } . } . )* . }; . } . . impl_slice_contains!(u16, u32, u64, i16, i32, i64, f32, f64, usize, isize, char); 27,202 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/misc_early/mod.rs -------------------------------------------------------------------------------- Ir -- line 310 ---------------------------------------- . SEPARATED_LITERAL_SUFFIX, . UNNEEDED_FIELD_PATTERN, . UNNEEDED_WILDCARD_PATTERN, . UNSEPARATED_LITERAL_SUFFIX, . ZERO_PREFIXED_LITERAL, . ]); . . impl EarlyLintPass for MiscEarlyLints { 3,010 ( 0.00%) fn check_generics(&mut self, cx: &EarlyContext<'_>, generics: &Generics) { . for param in &generics.params { . builtin_type_shadow::check(cx, param); . } 3,440 ( 0.00%) } . 43,128 ( 0.00%) fn check_pat(&mut self, cx: &EarlyContext<'_>, pat: &Pat) { 14,376 ( 0.00%) unneeded_field_pattern::check(cx, pat); 87,288 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/misc_early/unneeded_field_pattern.rs:clippy_lints::misc_early::unneeded_field_pattern::check (4,792x) 14,376 ( 0.00%) redundant_pattern::check(cx, pat); 105,424 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/misc_early/redundant_pattern.rs:clippy_lints::misc_early::redundant_pattern::check (4,792x) 14,376 ( 0.00%) redundant_at_rest_pattern::check(cx, pat); 14,376 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/misc_early/redundant_at_rest_pattern.rs:clippy_lints::misc_early::redundant_at_rest_pattern::check (4,792x) . unneeded_wildcard_pattern::check(cx, pat); 38,336 ( 0.00%) } . 345,730 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { . // `check_lit` only lints integer literals and suffixed float literals. 105,452 ( 0.00%) if let ExprKind::Lit(lit) = expr.kind 9,770 ( 0.00%) && match lit.kind { . token::LitKind::Integer => true, . token::LitKind::Float => lit.suffix.is_some(), . _ => false, . } 357 ( 0.00%) && !expr.span.in_external_macro(cx.sess().source_map()) . { . MiscEarlyLints::check_lit(cx, lit, expr.span); . } 395,120 ( 0.01%) } . } . . impl MiscEarlyLints { . fn check_lit(cx: &EarlyContext<'_>, lit: token::Lit, span: Span) { . // We test if first character in snippet is a number, because the snippet could be an expansion . // from a built-in macro like `line!()` or a proc-macro like `#[wasm_bindgen]`. . // Note that this check also covers special case that `line!()` is eagerly expanded by compiler. . // See for a regression. . // FIXME: Find a better way to detect those cases. 124 ( 0.00%) let lit_snip = match snippet_opt(cx, span) { 62 ( 0.00%) Some(snip) if snip.starts_with(|c: char| c.is_ascii_digit()) => snip, . _ => return, . }; . 62 ( 0.00%) let lit_kind = LitKind::from_token_lit(lit); 8,891 ( 0.00%) => ???:::from_token_lit (62x) 372 ( 0.00%) if let Ok(LitKind::Int(value, lit_int_type)) = lit_kind { 248 ( 0.00%) let suffix = match lit_int_type { . LitIntType::Signed(ty) => ty.name_str(), . LitIntType::Unsigned(ty) => ty.name_str(), . LitIntType::Unsuffixed => "", . }; 620 ( 0.00%) literal_suffix::check(cx, span, &lit_snip, suffix, "integer"); 4,970 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/misc_early/literal_suffix.rs:clippy_lints::misc_early::literal_suffix::check (62x) 3 ( 0.00%) if lit_snip.starts_with("0x") { . mixed_case_hex_literals::check(cx, span, suffix, &lit_snip); 251 ( 0.00%) } else if lit_snip.starts_with("0b") || lit_snip.starts_with("0o") { . // nothing to do 27 ( 0.00%) } else if value != 0 && lit_snip.starts_with('0') { . zero_prefixed_literal::check(cx, span, &lit_snip); . } . } else if let Ok(LitKind::Float(_, LitFloatType::Suffixed(float_ty))) = lit_kind { . let suffix = float_ty.name_str(); . literal_suffix::check(cx, span, &lit_snip, suffix, "float"); . } . } . } -- line 378 ---------------------------------------- 4,154 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unit_types/unit_cmp.rs -------------------------------------------------------------------------------- Ir . use clippy_utils::diagnostics::span_lint; . use clippy_utils::macros::{find_assert_eq_args, root_macro_call_first_node}; . use clippy_utils::{is_unit_expr, sym}; . use rustc_hir::{BinOpKind, Expr, ExprKind}; . use rustc_lint::LateContext; . . use super::UNIT_CMP; . 468,405 ( 0.01%) pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>) { 104,090 ( 0.00%) if expr.span.from_expansion() { 2,716 ( 0.00%) if let Some(macro_call) = root_macro_call_first_node(cx, expr) 2,716 ( 0.00%) && let Some(diag_name) = cx.tcx.get_diagnostic_name(macro_call.def_id) 18,894 ( 0.00%) => ???:::get_diagnostic_name (388x) . { . let result = match diag_name { 393 ( 0.00%) sym::assert_eq_macro | sym::debug_assert_eq_macro => "succeed", . sym::assert_ne_macro | sym::debug_assert_ne_macro => "fail", . _ => return, . }; . let Some((lhs, rhs, _)) = find_assert_eq_args(cx, expr, macro_call.expn) else { . return; . }; . if is_unit_expr(lhs) || is_unit_expr(rhs) { . return; -- line 23 ---------------------------------------- -- line 33 ---------------------------------------- . "`{}` of unit values detected. This will always {result}", . cx.tcx.item_name(macro_call.def_id) . ), . ); . } . return; . } . 20,334 ( 0.00%) if let ExprKind::Binary(ref cmp, left, _) = expr.kind { 151 ( 0.00%) let op = cmp.node; 93 ( 0.00%) if op.is_comparison() && cx.typeck_results().expr_ty(left).is_unit() { 3,720 ( 0.00%) => ???:::expr_ty (93x) . let result = match op { . BinOpKind::Eq | BinOpKind::Le | BinOpKind::Ge => "true", . _ => "false", . }; . span_lint( . cx, . UNIT_CMP, . expr.span, . format!( . "{}-comparison of unit values detected. This will always be {result}", . op.as_str() . ), . ); . } . } 416,360 ( 0.01%) } 611 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/hir/map.rs -------------------------------------------------------------------------------- Ir -- line 30 ---------------------------------------- . tcx: TyCtxt<'tcx>, . // Cache the current value of `hir_owner_nodes` to avoid repeatedly calling the same query for . // the same owner, which will uselessly record many times the same query dependency. . current_owner_nodes: Option<&'tcx OwnerNodes<'tcx>>, . } . . impl<'tcx> ParentHirIterator<'tcx> { . fn new(tcx: TyCtxt<'tcx>, current_id: HirId) -> ParentHirIterator<'tcx> { 368 ( 0.00%) ParentHirIterator { current_id, tcx, current_owner_nodes: None } . } . } . . impl<'tcx> Iterator for ParentHirIterator<'tcx> { . type Item = HirId; . . fn next(&mut self) -> Option { . if self.current_id == CRATE_HIR_ID { -- line 46 ---------------------------------------- -- line 100 ---------------------------------------- . Some((self.current_id.owner, node)) . } . } . . impl<'tcx> TyCtxt<'tcx> { . #[inline] . pub fn local_def_id_to_hir_id(self, def_id: impl IntoQueryKey) -> HirId { . let def_id = def_id.into_query_key(); 6,532 ( 0.00%) match self.hir_owner(def_id) { . ProjectedMaybeOwner::Owner(_) => HirId::make_owner(def_id), . ProjectedMaybeOwner::NonOwner(hir_id) => hir_id, . } . } . . /// This function is used only inside eval-always query `analysis` . /// (`analysis -> run_required_analysis` -> `emit_delayed_lints`), so it is safe . /// to obtain delayed lints from non-eval-always `owner` query. -- line 116 ---------------------------------------- -- line 162 ---------------------------------------- . /// Retrieves the `hir::Node` corresponding to `id`. . pub fn hir_node(self, id: HirId) -> Node<'tcx> { . self.hir_owner_nodes(id.owner).nodes[id.local_id].node . } . . /// Retrieves the `hir::Node` corresponding to `id`. . #[inline] . pub fn hir_node_by_def_id(self, id: LocalDefId) -> Node<'tcx> { 2,201 ( 0.00%) self.hir_node(self.local_def_id_to_hir_id(id)) 2,808 ( 0.00%) => ???:::hir_node (54x) . } . . /// Returns `HirId` of the parent HIR node of node with this `hir_id`. . /// Returns the same `hir_id` if and only if `hir_id == CRATE_HIR_ID`. . /// . /// If calling repeatedly and iterating over parents, prefer [`TyCtxt::hir_parent_iter`]. . pub fn parent_hir_id(self, hir_id: HirId) -> HirId { . let HirId { owner, local_id } = hir_id; -- line 178 ---------------------------------------- -- line 303 ---------------------------------------- . self.hir_span(hir_id), . "body_owned_by: {} has no associated body", . self.hir_id_to_string(hir_id) . ); . }) . } . . pub fn hir_body_param_idents(self, id: BodyId) -> impl Iterator> { 204 ( 0.00%) self.hir_body(id).params.iter().map(|param| match param.pat.kind { 34 ( 0.00%) PatKind::Binding(_, _, ident, _) => Some(ident), . PatKind::Wild => Some(Ident::new(kw::Underscore, param.pat.span)), . _ => None, . }) . } . . /// Returns the `BodyOwnerKind` of this `LocalDefId`. . /// . /// Panics if `LocalDefId` does not have an associated body. 3,250 ( 0.00%) pub fn hir_body_owner_kind(self, def_id: impl Into) -> BodyOwnerKind { 928 ( 0.00%) let def_id = def_id.into(); 5,572 ( 0.00%) match self.def_kind(def_id) { . DefKind::Const { .. } | DefKind::AssocConst { .. } => { 36 ( 0.00%) BodyOwnerKind::Const { inline: false } . } . DefKind::AnonConst => BodyOwnerKind::Const { . inline: self.anon_const_kind(def_id) == ty::AnonConstKind::NonTypeSystemInline, . }, . DefKind::Ctor(..) | DefKind::Fn | DefKind::AssocFn => BodyOwnerKind::Fn, . DefKind::Closure | DefKind::SyntheticCoroutineBody => BodyOwnerKind::Closure, . DefKind::Static { safety: _, mutability, nested: false } => { . BodyOwnerKind::Static(mutability) . } . DefKind::GlobalAsm => BodyOwnerKind::GlobalAsm, . dk => bug!("{:?} is not a body node: {:?}", def_id, dk), . } 2,788 ( 0.00%) } . . /// Returns the `ConstContext` of the body associated with this `LocalDefId`. . /// . /// Panics if `LocalDefId` does not have an associated body. . /// . /// This should only be used for determining the context of a body, a return . /// value of `Some` does not always suggest that the owner of the body is `const`, . /// just that it has to be checked as if it were. -- line 346 ---------------------------------------- -- line 524 ---------------------------------------- . pub fn hir_parent_id_iter(self, current_id: HirId) -> impl Iterator { . ParentHirIterator::new(self, current_id) . } . . /// Returns an iterator for the nodes in the ancestor tree of the `current_id` . /// until the crate root is reached. Prefer this over your own loop using `parent_id`. . #[inline] . pub fn hir_parent_iter(self, current_id: HirId) -> impl Iterator)> { 250,383 ( 0.00%) self.hir_parent_id_iter(current_id).map(move |id| (id, self.hir_node(id))) 52 ( 0.00%) => ???:::hir_node (1x) . } . . /// Returns an iterator for the nodes in the ancestor tree of the `current_id` . /// until the crate root is reached. Prefer this over your own loop using `parent_id`. . #[inline] . pub fn hir_parent_owner_iter(self, current_id: HirId) -> ParentOwnerIterator<'tcx> { . ParentOwnerIterator { current_id, tcx: self } . } -- line 540 ---------------------------------------- 9,491 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/raw_strings.rs -------------------------------------------------------------------------------- Ir -- line 60 ---------------------------------------- . . pub struct RawStrings { . pub allow_one_hash_in_raw_strings: bool, . } . . impl RawStrings { . pub fn new(conf: &'static Conf) -> Self { . Self { 1 ( 0.00%) allow_one_hash_in_raw_strings: conf.allow_one_hash_in_raw_strings, . } . } . } . . impl EarlyLintPass for RawStrings { 444,510 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 240,278 ( 0.00%) if let ExprKind::FormatArgs(format_args) = &expr.kind 200 ( 0.00%) && !format_args.span.in_external_macro(cx.sess().source_map()) 50 ( 0.00%) && format_args.span.check_text(cx, |src| src.starts_with('r')) . && let Some(str) = snippet_opt(cx.sess(), format_args.span) . && let count_hash = str.bytes().skip(1).take_while(|b| *b == b'#').count() . && let Some(str) = str.get(count_hash + 2..str.len() - count_hash - 1) . { . self.check_raw_string( . cx, . str, . format_args.span, . "r", . u8::try_from(count_hash).unwrap(), . "string", . ); . } . 13,344 ( 0.00%) if let ExprKind::Lit(lit) = expr.kind 16,680 ( 0.00%) && let (prefix, max) = match lit.kind { . LitKind::StrRaw(max) => ("r", max), . LitKind::ByteStrRaw(max) => ("br", max), . LitKind::CStrRaw(max) => ("cr", max), . _ => return, . } . && !expr.span.in_external_macro(cx.sess().source_map()) . && expr.span.check_text(cx, |src| src.starts_with(prefix)) . { . self.check_raw_string(cx, lit.symbol.as_str(), expr.span, prefix, max, lit.kind.descr()); . } 395,120 ( 0.01%) } . } . . impl RawStrings { . fn check_raw_string(&self, cx: &EarlyContext<'_>, str: &str, lit_span: Span, prefix: &str, max: u8, descr: &str) { . if !str.contains(['\\', '"']) { . span_lint_and_then( . cx, . NEEDLESS_RAW_STRINGS, -- line 112 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/num/uint_macros.rs -------------------------------------------------------------------------------- Ir -- line 146 ---------------------------------------- . /// ``` . #[doc = concat!("[`ilog2`]: ", stringify!($SelfT), "::ilog2")] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_math", since = "1.32.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[inline(always)] . pub const fn leading_zeros(self) -> u32 { 3,381 ( 0.00%) return intrinsics::ctlz(self as $ActualT); . } . . /// Returns the number of trailing zeros in the binary representation . /// of `self`. . /// . /// # Examples . /// . /// ``` -- line 162 ---------------------------------------- -- line 170 ---------------------------------------- . #[doc = concat!("assert_eq!(max.trailing_zeros(), 0);")] . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_math", since = "1.32.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[inline(always)] . pub const fn trailing_zeros(self) -> u32 { 2,254 ( 0.00%) return intrinsics::cttz(self); . } . . /// Returns the number of leading ones in the binary representation of `self`. . /// . /// # Examples . /// . /// ``` . #[doc = concat!("let n = !(", stringify!($SelfT), "::MAX >> 2);")] -- line 186 ---------------------------------------- -- line 890 ---------------------------------------- . pub const fn checked_add(self, rhs: Self) -> Option { . // This used to use `overflowing_add`, but that means it ends up being . // a `wrapping_add`, losing some optimization opportunities. Notably, . // phrasing it this way helps `.checked_add(1)` optimize to a check . // against `MAX` and a `add nuw`. . // Per , . // LLVM is happy to re-form the intrinsic later if useful. . 7,388 ( 0.00%) if intrinsics::unlikely(intrinsics::add_with_overflow(self, rhs).1) { . None . } else { . // SAFETY: Just checked it doesn't overflow . Some(unsafe { intrinsics::unchecked_add(self, rhs) }) . } . } . . /// Strict integer addition. Computes `self + rhs`, panicking -- line 906 ---------------------------------------- -- line 965 ---------------------------------------- . ( . lhs: $SelfT = self, . rhs: $SelfT = rhs, . ) => !lhs.overflowing_add(rhs).1, . ); . . // SAFETY: this is guaranteed to be safe by the caller. . unsafe { 2,594 ( 0.00%) intrinsics::unchecked_add(self, rhs) . } . } . . /// Checked addition with a signed integer. Computes `self + rhs`, . /// returning `None` if overflow occurred. . /// . /// # Examples . /// -- line 981 ---------------------------------------- -- line 1044 ---------------------------------------- . without modifying the original"] . #[inline] . pub const fn checked_sub(self, rhs: Self) -> Option { . // Per PR#103299, there's no advantage to the `overflowing` intrinsic . // for *unsigned* subtraction and we just emit the manual check anyway. . // Thus, rather than using `overflowing_sub` that produces a wrapping . // subtraction, check it ourself so we can use an unchecked one. . 15,559 ( 0.00%) if self < rhs { . None . } else { . // SAFETY: just checked this can't overflow 8,202 ( 0.00%) Some(unsafe { intrinsics::unchecked_sub(self, rhs) }) . } . } . . /// Strict integer subtraction. Computes `self - rhs`, panicking if . /// overflow occurred. . /// . /// # Panics . /// -- line 1064 ---------------------------------------- -- line 1144 ---------------------------------------- . ( . lhs: $SelfT = self, . rhs: $SelfT = rhs, . ) => !lhs.overflowing_sub(rhs).1, . ); . . // SAFETY: this is guaranteed to be safe by the caller. . unsafe { 23 ( 0.00%) intrinsics::unchecked_sub(self, rhs) . } . } . . /// Checked subtraction with a signed integer. Computes `self - rhs`, . /// returning `None` if overflow occurred. . /// . /// # Examples . /// -- line 1160 ---------------------------------------- -- line 1353 ---------------------------------------- . ( . lhs: $SelfT = self, . rhs: $SelfT = rhs, . ) => !lhs.overflowing_mul(rhs).1, . ); . . // SAFETY: this is guaranteed to be safe by the caller. . unsafe { 12,154 ( 0.00%) intrinsics::unchecked_mul(self, rhs) . } . } . . /// Checked integer division. Computes `self / rhs`, returning `None` . /// if `rhs == 0`. . /// . /// # Examples . /// -- line 1369 ---------------------------------------- -- line 2448 ---------------------------------------- . #[doc = concat!("assert_eq!(", stringify!($SelfT), "::MAX.saturating_add(127), ", stringify!($SelfT), "::MAX);")] . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")] . #[inline(always)] . pub const fn saturating_add(self, rhs: Self) -> Self { 1,021 ( 0.00%) intrinsics::saturating_add(self, rhs) . } . . /// Saturating addition with a signed integer. Computes `self + rhs`, . /// saturating at the numeric bounds instead of overflowing. . /// . /// # Examples . /// . /// ``` -- line 2464 ---------------------------------------- -- line 2492 ---------------------------------------- . #[doc = concat!("assert_eq!(13", stringify!($SelfT), ".saturating_sub(127), 0);")] . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")] . #[inline(always)] . pub const fn saturating_sub(self, rhs: Self) -> Self { 306 ( 0.00%) intrinsics::saturating_sub(self, rhs) . } . . /// Saturating integer subtraction. Computes `self` - `rhs`, saturating at . /// the numeric bounds instead of overflowing. . /// . /// # Examples . /// . /// ``` -- line 2508 ---------------------------------------- -- line 2604 ---------------------------------------- . #[doc = concat!("assert_eq!(200", stringify!($SelfT), ".wrapping_add(", stringify!($SelfT), "::MAX), 199);")] . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[inline(always)] . pub const fn wrapping_add(self, rhs: Self) -> Self { 63,329 ( 0.00%) intrinsics::wrapping_add(self, rhs) . } . . /// Wrapping (modular) addition with a signed integer. Computes . /// `self + rhs`, wrapping around at the boundary of the type. . /// . /// # Examples . /// . /// ``` -- line 2620 ---------------------------------------- -- line 2641 ---------------------------------------- . #[doc = concat!("assert_eq!(100", stringify!($SelfT), ".wrapping_sub(", stringify!($SelfT), "::MAX), 101);")] . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[inline(always)] . pub const fn wrapping_sub(self, rhs: Self) -> Self { 10,290 ( 0.00%) intrinsics::wrapping_sub(self, rhs) . } . . /// Wrapping (modular) subtraction with a signed integer. Computes . /// `self - rhs`, wrapping around at the boundary of the type. . /// . /// # Examples . /// . /// ``` -- line 2657 ---------------------------------------- -- line 2680 ---------------------------------------- . /// assert_eq!(25u8.wrapping_mul(12), 44); . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[inline(always)] . pub const fn wrapping_mul(self, rhs: Self) -> Self { 169,163 ( 0.00%) intrinsics::wrapping_mul(self, rhs) . } . . /// Wrapping (modular) division. Computes `self / rhs`. . /// . /// Wrapped division on unsigned types is just normal division. There's . /// no way wrapping could ever happen. This function exists so that all . /// operations are accounted for in the wrapping operations. . /// -- line 2696 ---------------------------------------- -- line 2942 ---------------------------------------- . #[doc = concat!("assert_eq!(", stringify!($SelfT), "::MAX.overflowing_add(1), (0, true));")] . /// ``` . #[stable(feature = "wrapping", since = "1.7.0")] . #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[inline(always)] . pub const fn overflowing_add(self, rhs: Self) -> (Self, bool) { 73 ( 0.00%) let (a, b) = intrinsics::add_with_overflow(self as $ActualT, rhs as $ActualT); . (a as Self, b) . } . . /// Calculates `self` + `rhs` + `carry` and returns a tuple containing . /// the sum and the output carry (in that order). . /// . /// Performs "ternary addition" of two integer operands and a carry-in . /// bit, and returns an output integer and a carry-out bit. This allows -- line 2958 ---------------------------------------- -- line 3164 ---------------------------------------- . /// assert_eq!(1_000_000_000u32.overflowing_mul(10), (1410065408, true)); . /// ``` . #[stable(feature = "wrapping", since = "1.7.0")] . #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[inline(always)] . pub const fn overflowing_mul(self, rhs: Self) -> (Self, bool) { 32,642 ( 0.00%) let (a, b) = intrinsics::mul_with_overflow(self as $ActualT, rhs as $ActualT); . (a as Self, b) . } . . /// Calculates the "full multiplication" `self * rhs + carry` . /// without the possibility to overflow. . /// . /// This returns the low-order (wrapping) bits and the high-order (overflow) bits . /// of the result as two separate values, in that order. -- line 3180 ---------------------------------------- -- line 3860 ---------------------------------------- . // . // This method cannot overflow, as in the `next_power_of_two` . // overflow cases it instead ends up returning the maximum value . // of the type, and can return 0 for 0. . #[inline] . const fn one_less_than_next_power_of_two(self) -> Self { . if self <= 1 { return 0; } . 44 ( 0.00%) let p = self - 1; . // SAFETY: Because `p > 0`, it cannot consist entirely of leading zeros. . // That means the shift is always in-bounds, and some processors . // (such as intel pre-haswell) have more efficient ctlz . // intrinsics when the argument is non-zero. 22 ( 0.00%) let z = unsafe { intrinsics::ctlz_nonzero(p) }; 44 ( 0.00%) <$SelfT>::MAX >> z . } . . /// Returns the smallest power of two greater than or equal to `self`. . /// . /// When return value overflows (i.e., `self > (1 << (N-1))` for type . /// `uN`), it panics in debug mode and the return value is wrapped to 0 in . /// release mode (the only situation in which this method can return 0). . /// -- line 3882 ---------------------------------------- -- line 3889 ---------------------------------------- . /// ``` . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_int_pow", since = "1.50.0")] . #[must_use = "this returns the result of the operation, \ . without modifying the original"] . #[inline] . #[rustc_inherit_overflow_checks] . pub const fn next_power_of_two(self) -> Self { 4 ( 0.00%) self.one_less_than_next_power_of_two() + 1 . } . . /// Returns the smallest power of two greater than or equal to `self`. If . /// the next power of two is greater than the type's maximum value, . /// `None` is returned, otherwise the power of two is wrapped in `Some`. . /// . /// # Examples . /// -- line 3905 ---------------------------------------- -- line 4010 ---------------------------------------- . without modifying the original"] . #[allow(unnecessary_transmutes)] . // SAFETY: const sound because integers are plain old datatypes so we can always . // transmute them to arrays of bytes . #[inline] . pub const fn to_ne_bytes(self) -> [u8; size_of::()] { . // SAFETY: integers are plain old datatypes so we can always transmute them to . // arrays of bytes 32 ( 0.00%) unsafe { mem::transmute(self) } . } . . /// Creates a native endian integer value from its representation . /// as a byte array in big endian. . /// . #[doc = $from_xe_bytes_doc] . /// . /// # Examples -- line 4026 ---------------------------------------- 43,642 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/panicking_overflow_checks.rs -------------------------------------------------------------------------------- Ir -- line 44 ---------------------------------------- . correctness, . "overflow checks which will panic in debug mode" . } . . declare_lint_pass!(PanickingOverflowChecks => [PANICKING_OVERFLOW_CHECKS]); . . impl<'tcx> LateLintPass<'tcx> for PanickingOverflowChecks { . // a + b < a, a > a + b, a < a - b, a - b > a 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 105,074 ( 0.00%) if let ExprKind::Binary(op, lhs, rhs) = expr.kind 734 ( 0.00%) && let (lt, gt) = match op.node { . BinOpKind::Lt => (lhs, rhs), . BinOpKind::Gt => (rhs, lhs), . _ => return, . } 25 ( 0.00%) && let ctxt = expr.span.ctxt() 100 ( 0.00%) && let (op_lhs, op_rhs, other, commutative) = match (<.kind, >.kind) { . (&ExprKind::Binary(op, lhs, rhs), _) if op.node == BinOpKind::Add && ctxt == lt.span.ctxt() => { . (lhs, rhs, gt, true) . }, 6 ( 0.00%) (_, &ExprKind::Binary(op, lhs, rhs)) if op.node == BinOpKind::Sub && ctxt == gt.span.ctxt() => { . (lhs, rhs, lt, false) . }, . _ => return, . } . && let typeck = cx.typeck_results() 6 ( 0.00%) && let ty = typeck.expr_ty(op_lhs) 80 ( 0.00%) => ???:::expr_ty (2x) 4 ( 0.00%) && matches!(ty.kind(), ty::Uint(_)) 8 ( 0.00%) && ty == typeck.expr_ty(op_rhs) 80 ( 0.00%) => ???:::expr_ty (2x) 10 ( 0.00%) && ty == typeck.expr_ty(other) 80 ( 0.00%) => ???:::expr_ty (2x) 12 ( 0.00%) && !expr.span.in_external_macro(cx.tcx.sess.source_map()) 234 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs:::in_external_macro (2x) 18 ( 0.00%) && (eq_expr_value(cx, ctxt, op_lhs, other) || (commutative && eq_expr_value(cx, ctxt, op_rhs, other))) 1,156 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/hir_utils.rs:clippy_utils::hir_utils::eq_expr_value (2x) . { . span_lint( . cx, . PANICKING_OVERFLOW_CHECKS, . expr.span, . "you are trying to use classic C overflow conditions that will fail in Rust", . ); . } 416,360 ( 0.01%) } . } 176 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs -------------------------------------------------------------------------------- Ir -- line 48 ---------------------------------------- . . impl ManualOptionAsSlice { . pub fn new(conf: &Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl LateLintPass<'_> for ManualOptionAsSlice { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { 260,225 ( 0.00%) let span = expr.span; . if span.from_expansion() { . return; . } 65,891 ( 0.00%) match expr.kind { 610 ( 0.00%) ExprKind::Match(scrutinee, [arm1, arm2], _) 1,789 ( 0.00%) if is_none_pattern(cx, arm2.pat) && check_arms(cx, arm2, arm1) 6,218 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_none_pattern (160x) 876 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs:clippy_lints::manual_option_as_slice::check_arms (21x) 736 ( 0.00%) || is_none_pattern(cx, arm1.pat) && check_arms(cx, arm1, arm2) => 4,968 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_none_pattern (160x) 566 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs:clippy_lints::manual_option_as_slice::check_arms (12x) . { . check_as_ref(cx, scrutinee, span, self.msrv); . }, 129 ( 0.00%) ExprKind::If(cond, then, Some(other)) => { 276 ( 0.00%) if let ExprKind::Let(let_expr) = cond.kind 18 ( 0.00%) && let Some(binding) = extract_ident_from_some_pat(cx, let_expr.pat) 13 ( 0.00%) && check_some_body(cx, binding, then) . && is_empty_slice(cx, other.peel_blocks()) . { . check_as_ref(cx, let_expr.init, span, self.msrv); . } . }, 7,256 ( 0.00%) ExprKind::MethodCall(seg, callee, [], _) if seg.ident.name == sym::unwrap_or_default => { 4 ( 0.00%) check_map(cx, callee, span, self.msrv); . }, 1,544 ( 0.00%) ExprKind::MethodCall(seg, callee, [or], _) => match seg.ident.name { 1,614 ( 0.00%) sym::unwrap_or if is_empty_slice(cx, or) => { 520 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs:clippy_lints::manual_option_as_slice::is_empty_slice (19x) . check_map(cx, callee, span, self.msrv); . }, 12 ( 0.00%) sym::unwrap_or_else if returns_empty_slice(cx, or) => { 407 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs:clippy_lints::manual_option_as_slice::returns_empty_slice (3x) . check_map(cx, callee, span, self.msrv); . }, . _ => {}, . }, 725 ( 0.00%) ExprKind::MethodCall(seg, callee, [or_else, map], _) => match seg.ident.name { 586 ( 0.00%) sym::map_or if is_empty_slice(cx, or_else) && is_slice_from_ref(cx, map) => { 48 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs:clippy_lints::manual_option_as_slice::is_empty_slice (2x) . check_as_ref(cx, callee, span, self.msrv); . }, 4 ( 0.00%) sym::map_or_else if returns_empty_slice(cx, or_else) && is_slice_from_ref(cx, map) => { 109 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs:clippy_lints::manual_option_as_slice::returns_empty_slice (1x) . check_as_ref(cx, callee, span, self.msrv); . }, . _ => {}, . }, . _ => {}, . } 416,352 ( 0.01%) } . } . 5 ( 0.00%) fn check_map(cx: &LateContext<'_>, map: &Expr<'_>, span: Span, msrv: Msrv) { 4 ( 0.00%) if let ExprKind::MethodCall(seg, callee, [mapping], _) = map.kind . && seg.ident.name == sym::map . && is_slice_from_ref(cx, mapping) . { . check_as_ref(cx, callee, span, msrv); . } 6 ( 0.00%) } . . fn check_as_ref(cx: &LateContext<'_>, expr: &Expr<'_>, span: Span, msrv: Msrv) { . if let ExprKind::MethodCall(seg, callee, [], _) = expr.kind . && seg.ident.name == sym::as_ref . && cx.typeck_results().expr_ty(callee).is_diag_item(cx, sym::Option) . && msrv.meets( . cx, . if clippy_utils::is_in_const_context(cx) { -- line 118 ---------------------------------------- -- line 137 ---------------------------------------- . app, . ); . }, . ); . } . } . . fn extract_ident_from_some_pat(cx: &LateContext<'_>, pat: &Pat<'_>) -> Option { 198 ( 0.00%) if let Some([binding]) = as_some_pattern(cx, pat) 3,096 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::as_some_pattern (18x) 39 ( 0.00%) && let PatKind::Binding(_mode, _hir_id, ident, _inner_pat) = binding.kind . { . Some(ident.name) . } else { . None . } . } . . /// Returns true if `expr` is `std::slice::from_ref()`. Used in `if let`s. . fn check_some_body(cx: &LateContext<'_>, name: Symbol, expr: &Expr<'_>) -> bool { 11 ( 0.00%) if let ExprKind::Call(slice_from_ref, [arg]) = expr.peel_blocks().kind 6 ( 0.00%) && is_slice_from_ref(cx, slice_from_ref) . && let ExprKind::Path(QPath::Resolved(None, path)) = arg.kind . && let [seg] = path.segments . { . seg.ident.name == name . } else { . false . } . } . . fn check_arms(cx: &LateContext<'_>, none_arm: &Arm<'_>, some_arm: &Arm<'_>) -> bool { 66 ( 0.00%) if none_arm.guard.is_none() . && some_arm.guard.is_none() 99 ( 0.00%) && is_empty_slice(cx, none_arm.body) 947 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs:clippy_lints::manual_option_as_slice::is_empty_slice (33x) . && let Some(name) = extract_ident_from_some_pat(cx, some_arm.pat) . { . check_some_body(cx, name, some_arm.body) . } else { . false . } 33 ( 0.00%) } . 8 ( 0.00%) fn returns_empty_slice(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 16 ( 0.00%) match expr.kind { 2 ( 0.00%) ExprKind::Path(_) => expr.res(cx).is_diag_item(cx, sym::default_fn), 24 ( 0.00%) ExprKind::Closure(cl) => is_empty_slice(cx, cx.tcx.hir_body(cl.body).value), 132 ( 0.00%) => ???:::hir_body (2x) 48 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_option_as_slice.rs:clippy_lints::manual_option_as_slice::is_empty_slice (2x) . _ => false, . } 6 ( 0.00%) } . . /// Returns if expr returns an empty slice. If: . /// - An indexing operation to an empty array with a built-in range. `[][..]` . /// - An indexing operation with a zero-ended range. `expr[..0]` . /// - A reference to an empty array. `&[]` . /// - Or a call to `Default::default`. 168 ( 0.00%) fn is_empty_slice(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 56 ( 0.00%) let expr = peel_hir_expr_refs(expr.peel_blocks()).0; 344 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::peel_hir_expr_refs (56x) 376 ( 0.00%) match expr.kind { . ExprKind::Index(arr, range, _) => match arr.kind { . ExprKind::Array([]) => is_range_literal(range), . ExprKind::Array(_) => { . let Some(range) = clippy_utils::higher::Range::hir(cx, range) else { . return false; . }; . range.end.is_some_and(|e| clippy_utils::is_integer_literal(e, 0)) . }, . _ => false, . }, . ExprKind::Array([]) => true, 16 ( 0.00%) ExprKind::Call(def, []) => def.res(cx).is_diag_item(cx, sym::default_fn), . _ => false, . } 168 ( 0.00%) } . . fn is_slice_from_ref(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 6 ( 0.00%) expr.basic_res().is_diag_item(cx, sym::slice_from_ref) . } 653 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/ifs/mod.rs -------------------------------------------------------------------------------- Ir -- line 174 ---------------------------------------- . . pub struct CopyAndPaste<'tcx> { . interior_mut: InteriorMut<'tcx>, . } . . impl<'tcx> CopyAndPaste<'tcx> { . pub fn new(tcx: TyCtxt<'tcx>, conf: &'static Conf) -> Self { . Self { 4 ( 0.00%) interior_mut: InteriorMut::new(tcx, &conf.ignore_interior_mutability), 15,822 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:::new (1x) . } . } . } . . impl<'tcx> LateLintPass<'tcx> for CopyAndPaste<'tcx> { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,090 ( 0.00%) if expr.span.from_expansion() { . return; . } 52,011 ( 0.00%) if matches!(expr.kind, ExprKind::If(..)) && !is_else_clause(cx.tcx, expr) { 42,258 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_else_clause (294x) 2,142 ( 0.00%) let (conds, blocks) = if_sequence(expr); 58,705 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::if_sequence (238x) 1,428 ( 0.00%) ifs_same_cond::check(cx, &conds, &mut self.interior_mut); 513,645 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/ifs/ifs_same_cond.rs:clippy_lints::ifs::ifs_same_cond::check (238x) 952 ( 0.00%) same_functions_in_if_cond::check(cx, &conds); 273,147 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/ifs/same_functions_in_if_cond.rs:clippy_lints::ifs::same_functions_in_if_cond::check (238x) . let all_same = 3,094 ( 0.00%) !is_lint_allowed(cx, IF_SAME_THEN_ELSE, expr.hir_id) && if_same_then_else::check(cx, &conds, &blocks); 632,881 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_lint_allowed (238x) 301,067 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/ifs/if_same_then_else.rs:clippy_lints::ifs::if_same_then_else::check (238x) 626 ( 0.00%) if !all_same && conds.len() != blocks.len() { 511 ( 0.00%) branches_sharing_code::check(cx, &conds, &blocks, expr); 4,128,404 ( 0.08%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/ifs/branches_sharing_code.rs:clippy_lints::ifs::branches_sharing_code::check (73x) . } 450 ( 0.00%) } else if let ExprKind::Match(_, arms, _) = expr.kind { 2,475 ( 0.00%) branches_sharing_code::check_match(cx, expr, arms); 54,096 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_lints/src/ifs/branches_sharing_code.rs:clippy_lints::ifs::branches_sharing_code::check_match (225x) . } 412,656 ( 0.01%) } . } 714 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/thread_local/native/mod.rs -------------------------------------------------------------------------------- Ir -- line 67 ---------------------------------------- . = $crate::thread::local_impl::EagerStorage::new(__RUST_STD_INTERNAL_INIT); . __RUST_STD_INTERNAL_VAL.get() . } . } else { . |_| { . #[thread_local] . $(#[$align_attr])* . static __RUST_STD_INTERNAL_VAL: $t = __RUST_STD_INTERNAL_INIT; 1,133,667 ( 0.02%) &__RUST_STD_INTERNAL_VAL . } . } . }) . } . }}, . . // used to generate the `LocalKey` value for `thread_local!` . (@key $t:ty, $(#[$align_attr:meta])*, $init:expr) => {{ -- line 83 ---------------------------------------- -- line 97 ---------------------------------------- . __RUST_STD_INTERNAL_VAL.get_or_init(__rust_std_internal_init, __rust_std_internal_init_fn) . } . } else { . |__rust_std_internal_init| { . #[thread_local] . $(#[$align_attr])* . static __RUST_STD_INTERNAL_VAL: $crate::thread::local_impl::LazyStorage<$t, !> . = $crate::thread::local_impl::LazyStorage::new(); 36 ( 0.00%) __RUST_STD_INTERNAL_VAL.get_or_init(__rust_std_internal_init, __rust_std_internal_init_fn) . } . } . }) . } . }}, . } . . #[rustc_macro_transparency = "semiopaque"] -- line 113 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/format_impl.rs -------------------------------------------------------------------------------- Ir -- line 103 ---------------------------------------- . pub struct FormatImpl { . format_args: FormatArgsStorage, . // Whether we are inside Display or Debug trait impl - None for neither . format_trait_impl: Option, . } . . impl FormatImpl { . pub fn new(format_args: FormatArgsStorage) -> Self { 2 ( 0.00%) Self { . format_args, . format_trait_impl: None, . } . } . } . . impl<'tcx> LateLintPass<'tcx> for FormatImpl { . fn check_impl_item(&mut self, cx: &LateContext<'_>, impl_item: &ImplItem<'_>) { 715 ( 0.00%) self.format_trait_impl = is_format_trait_impl(cx, impl_item); 1,682 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/format_impl.rs:clippy_lints::format_impl::is_format_trait_impl (143x) . } . . fn check_impl_item_post(&mut self, cx: &LateContext<'_>, impl_item: &ImplItem<'_>) { . // Assume no nested Impl of Debug and Display within each other 572 ( 0.00%) if is_format_trait_impl(cx, impl_item).is_some() { 1,682 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/format_impl.rs:clippy_lints::format_impl::is_format_trait_impl (143x) 3 ( 0.00%) self.format_trait_impl = None; . } . } . 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 156,229 ( 0.00%) if let Some(format_trait_impl) = self.format_trait_impl { 564 ( 0.00%) let linter = FormatImplExpr { . cx, 94 ( 0.00%) format_args: &self.format_args, . expr, . format_trait_impl, . }; . linter.check_to_string_in_display(); . linter.check_self_in_format_args(); . linter.check_print_in_format_impl(); . } 416,360 ( 0.01%) } . } . . struct FormatImplExpr<'a, 'tcx> { . cx: &'a LateContext<'tcx>, . format_args: &'a FormatArgsStorage, . expr: &'tcx Expr<'tcx>, . format_trait_impl: FormatTraitNames, . } . . impl FormatImplExpr<'_, '_> { . fn check_to_string_in_display(&self) { 294 ( 0.00%) if self.format_trait_impl.name == sym::Display 2 ( 0.00%) && let ExprKind::MethodCall(path, self_arg, [], _) = self.expr.kind . // Get the hir_id of the object we are calling the method on . // Is the method to_string() ? 2 ( 0.00%) && path.ident.name == sym::to_string . // Is the method a part of the ToString trait? (i.e. not to_string() implemented . // separately) . && self . .cx . .typeck_results() . .type_dependent_def_id(self.expr.hir_id) . .opt_parent(self.cx) . .is_diag_item(self.cx, sym::ToString) -- line 166 ---------------------------------------- -- line 250 ---------------------------------------- . format!("{replacement}!(..)") . }, . Applicability::HasPlaceholders, . ); . } . } . } . 286 ( 0.00%) fn is_format_trait_impl(cx: &LateContext<'_>, impl_item: &ImplItem<'_>) -> Option { 286 ( 0.00%) if impl_item.ident.name == sym::fmt 24 ( 0.00%) && let ImplItemKind::Fn(_, body_id) = impl_item.kind 12 ( 0.00%) && let Some(Impl { . of_trait: Some(of_trait), . .. 30 ( 0.00%) }) = get_parent_as_impl(cx.tcx, impl_item.hir_id()) 1,056 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_as_impl (6x) 18 ( 0.00%) && let Some(did) = of_trait.trait_ref.trait_def_id() 78 ( 0.00%) => ???:::trait_def_id (6x) 30 ( 0.00%) && let Some(name) = cx.tcx.get_diagnostic_name(did) 462 ( 0.00%) => ???:::get_diagnostic_name (6x) . && matches!(name, sym::Debug | sym::Display) . { 24 ( 0.00%) let body = cx.tcx.hir_body(body_id); 312 ( 0.00%) => ???:::hir_body (6x) 6 ( 0.00%) let formatter_name = body . .params . .get(1) 6 ( 0.00%) .and_then(|param| param.pat.simple_ident()) . .map(|ident| ident.name); . . Some(FormatTraitNames { name, formatter_name }) . } else { . None . } 286 ( 0.00%) } 272 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/int_plus_one.rs -------------------------------------------------------------------------------- Ir -- line 48 ---------------------------------------- . enum LeOrGe { . Le, . Ge, . } . . impl TryFrom for LeOrGe { . type Error = (); . fn try_from(value: BinOpKind) -> Result { 734 ( 0.00%) match value { . BinOpKind::Le => Ok(Self::Le), . BinOpKind::Ge => Ok(Self::Ge), . _ => Err(()), . } . } . } . . impl IntPlusOne { -- line 64 ---------------------------------------- -- line 76 ---------------------------------------- . Self::is_one(expr) . } else { . false . } . } . . /// Checks whether `expr` is `x + 1` or `1 + x`, and if so, returns `x` . fn as_x_plus_one(expr: &Expr) -> Option<&Expr> { 4 ( 0.00%) if let ExprKind::Binary(op, lhs, rhs) = &expr.kind . && op.node == BinOpKind::Add . { . if Self::is_one(rhs) { . // x + 1 . return Some(lhs); . } else if Self::is_one(lhs) { . // 1 + x . return Some(rhs); . } . } . None . } . . /// Checks whether `expr` is `x - 1` or `-1 + x`, and if so, returns `x` . fn as_x_minus_one(expr: &Expr) -> Option<&Expr> { 4 ( 0.00%) if let ExprKind::Binary(op, lhs, rhs) = &expr.kind { . if op.node == BinOpKind::Sub && Self::is_one(rhs) { . // x - 1 . return Some(lhs); . } else if op.node == BinOpKind::Add && Self::is_neg_one(lhs) { . // -1 + x . return Some(rhs); . } . } -- line 108 ---------------------------------------- -- line 151 ---------------------------------------- . let rec = sugg::make_binop(new_binop, &new_lhs, &new_rhs); . diag.span_suggestion(expr.span, "change it to", rec, app); . }, . ); . } . } . . impl EarlyLintPass for IntPlusOne { 296,340 ( 0.01%) fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { 98,780 ( 0.00%) if let ExprKind::Binary(binop, lhs, rhs) = &expr.kind 492 ( 0.00%) && let Ok(le_or_ge) = LeOrGe::try_from(binop.node) 4 ( 0.00%) && let Some((new_lhs, new_rhs)) = Self::check_binop(le_or_ge, lhs, rhs) . { . Self::emit_warning(cx, expr, new_lhs, le_or_ge, new_rhs); . } 345,730 ( 0.01%) } . } -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/size_of_in_element_count.rs -------------------------------------------------------------------------------- Ir -- line 71 ---------------------------------------- . sym::add, . sym::wrapping_add, . sym::sub, . sym::wrapping_sub, . sym::offset, . sym::wrapping_offset, . ]; . 293,900 ( 0.01%) if let ExprKind::Call(func, [.., count]) = expr.kind . // Find calls to ptr::{copy, copy_nonoverlapping} . // and ptr::swap_nonoverlapping, 25,278 ( 0.00%) && let ExprKind::Path(ref func_qpath) = func.kind 42,130 ( 0.00%) && let Some(def_id) = cx.qpath_res(func_qpath, func.hir_id).opt_def_id() 206,790 ( 0.00%) => ???:::qpath_res (8,426x) 109,382 ( 0.00%) && matches!(cx.tcx.get_diagnostic_name(def_id), Some( 378,192 ( 0.01%) => ???:::get_diagnostic_name (8,414x) . sym::ptr_copy . | sym::ptr_copy_nonoverlapping . | sym::ptr_slice_from_raw_parts . | sym::ptr_slice_from_raw_parts_mut . | sym::ptr_swap_nonoverlapping . | sym::slice_from_raw_parts . | sym::slice_from_raw_parts_mut . )) . . // Get the pointee type . && let Some(pointee_ty) = cx.typeck_results().node_args(func.hir_id).types().next() . { . return Some((pointee_ty, count)); . } 6,918 ( 0.00%) if let ExprKind::MethodCall(method_path, ptr_self, [.., count], _) = expr.kind . // Find calls to copy_{from,to}{,_nonoverlapping} 534 ( 0.00%) && let method_ident = method_path.ident.name . && METHODS.contains(&method_ident) . . // Get the pointee type . && let ty::RawPtr(pointee_ty, _) = . cx.typeck_results().expr_ty(ptr_self).kind() . { . return Some((*pointee_ty, count)); . } . None . } . . impl<'tcx> LateLintPass<'tcx> for SizeOfInElementCount { 312,270 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { . const HELP_MSG: &str = "use a count of elements instead of a count of bytes\ . , it already gets multiplied by the size of the type"; . . const LINT_MSG: &str = "found a count of bytes \ . instead of a count of elements of `T`"; . . if let Some((pointee_ty, count_expr)) = get_pointee_ty_and_count_expr(cx, expr) . // Using a number of bytes for a byte type isn't suspicious -- line 122 ---------------------------------------- -- line 126 ---------------------------------------- . . // Find a size_of call in the count parameter expression and . // check that it's the same type . && let Some(ty_used_for_size_of) = get_size_of_ty(cx, count_expr, false) . && pointee_ty == ty_used_for_size_of . { . span_lint_and_help(cx, SIZE_OF_IN_ELEMENT_COUNT, count_expr.span, LINT_MSG, None, HELP_MSG); . } 312,270 ( 0.01%) } . } 16,852 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs -------------------------------------------------------------------------------- Ir -- line 103 ---------------------------------------- . place_with_id: &PlaceWithHirId<'tcx>, . cause: FakeReadCause, . diag_expr_id: HirId, . ); . } . . impl<'tcx, D: Delegate<'tcx>> Delegate<'tcx> for &mut D { . fn consume(&mut self, place_with_id: &PlaceWithHirId<'tcx>, diag_expr_id: HirId) { 1 ( 0.00%) (**self).consume(place_with_id, diag_expr_id) . } . . fn use_cloned(&mut self, place_with_id: &PlaceWithHirId<'tcx>, diag_expr_id: HirId) { . (**self).use_cloned(place_with_id, diag_expr_id) . } . . fn borrow( . &mut self, . place_with_id: &PlaceWithHirId<'tcx>, . diag_expr_id: HirId, . bk: ty::BorrowKind, . ) { 202 ( 0.00%) (**self).borrow(place_with_id, diag_expr_id, bk) . } . . fn copy(&mut self, place_with_id: &PlaceWithHirId<'tcx>, diag_expr_id: HirId) { . (**self).copy(place_with_id, diag_expr_id) . } . . fn mutate(&mut self, assignee_place: &PlaceWithHirId<'tcx>, diag_expr_id: HirId) { 10 ( 0.00%) (**self).mutate(assignee_place, diag_expr_id) . } . . fn bind(&mut self, binding_place: &PlaceWithHirId<'tcx>, diag_expr_id: HirId) { 63 ( 0.00%) (**self).bind(binding_place, diag_expr_id) . } . . fn fake_read( . &mut self, . place_with_id: &PlaceWithHirId<'tcx>, . cause: FakeReadCause, . diag_expr_id: HirId, . ) { -- line 144 ---------------------------------------- -- line 266 ---------------------------------------- . self.0.type_is_use_cloned_modulo_regions(ty) . } . . fn body_owner_def_id(&self) -> LocalDefId { . self.1 . } . . fn tcx(&self) -> TyCtxt<'tcx> { 367 ( 0.00%) self.0.tcx . } . } . . /// A visitor that reports how each expression is being used. . /// . /// See [module-level docs][self] and [`Delegate`] for details. . pub struct ExprUseVisitor<'tcx, Cx: TypeInformationCtxt<'tcx>, D: Delegate<'tcx>> { . cx: Cx, -- line 282 ---------------------------------------- -- line 283 ---------------------------------------- . /// We use a `RefCell` here so that delegates can mutate themselves, but we can . /// still have calls to our own helper functions. . delegate: RefCell, . upvars: Option<&'tcx FxIndexMap>, . } . . impl<'a, 'tcx, D: Delegate<'tcx>> ExprUseVisitor<'tcx, (&'a LateContext<'tcx>, LocalDefId), D> { . pub fn for_clippy(cx: &'a LateContext<'tcx>, body_def_id: LocalDefId, delegate: D) -> Self { 79 ( 0.00%) Self::new((cx, body_def_id), delegate) 192 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::new (4x) . } . } . . impl<'tcx, Cx: TypeInformationCtxt<'tcx>, D: Delegate<'tcx>> ExprUseVisitor<'tcx, Cx, D> { . /// Creates the ExprUseVisitor, configuring it with the various options provided: . /// . /// - `delegate` -- who receives the callbacks . /// - `param_env` --- parameter environment for trait lookups (esp. pertaining to `Copy`) . /// - `typeck_results` --- typeck results for the code being analyzed 231 ( 0.00%) pub(crate) fn new(cx: Cx, delegate: D) -> Self { 105 ( 0.00%) ExprUseVisitor { . delegate: RefCell::new(delegate), . upvars: cx.tcx().upvars_mentioned(cx.body_owner_def_id()), . cx, . } 189 ( 0.00%) } . 9 ( 0.00%) pub fn consume_body(&self, body: &hir::Body<'_>) -> Result<(), Cx::Error> { 1 ( 0.00%) for param in body.params { 3 ( 0.00%) let param_ty = self.pat_ty_adjusted(param.pat)?; 183 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::pat_ty_adjusted (1x) . debug!("consume_body: param_ty = {:?}", param_ty); . 2 ( 0.00%) let param_place = self.cat_rvalue(param.hir_id, param_ty); . . self.fake_read_scrutinee(¶m_place, false)?; 1 ( 0.00%) self.walk_pat(¶m_place, param.pat, false)?; . } . 3 ( 0.00%) self.consume_expr(body.value)?; 24,370 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr (1x) . . Ok(()) 8 ( 0.00%) } . . #[instrument(skip(self), level = "debug")] . fn consume_or_copy(&self, place_with_id: &PlaceWithHirId<'tcx>, diag_expr_id: HirId) { 3,115 ( 0.00%) if self.cx.type_is_copy_modulo_regions(place_with_id.place.ty()) { 375 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::type_is_copy_modulo_regions (5x) 60 ( 0.00%) => ???:::ty (5x) . self.delegate.borrow_mut().copy(place_with_id, diag_expr_id); . } else { . self.delegate.borrow_mut().consume(place_with_id, diag_expr_id); . } . } . . #[instrument(skip(self), level = "debug")] . pub fn consume_clone_or_copy(&self, place_with_id: &PlaceWithHirId<'tcx>, diag_expr_id: HirId) { -- line 335 ---------------------------------------- -- line 345 ---------------------------------------- . self.delegate.borrow_mut().use_cloned(place_with_id, diag_expr_id); . } else { . self.delegate.borrow_mut().consume(place_with_id, diag_expr_id); . } . } . . fn consume_exprs(&self, exprs: &[hir::Expr<'_>]) -> Result<(), Cx::Error> { . for expr in exprs { 428 ( 0.00%) self.consume_expr(expr)?; 4,666 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr'2 (3x) . } . . Ok(()) . } . . // FIXME: It's suspicious that this is public; clippy should probably use `walk_expr`. . #[instrument(skip(self), level = "debug")] 3,882 ( 0.00%) pub fn consume_expr(&self, expr: &hir::Expr<'_>) -> Result<(), Cx::Error> { 5,176 ( 0.00%) let place_with_id = self.cat_expr(expr)?; . self.consume_or_copy(&place_with_id, place_with_id.hir_id); 1,941 ( 0.00%) self.walk_expr(expr)?; 397,904 ( 0.01%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_expr'2 (44x) . Ok(()) 3,235 ( 0.00%) } . . #[instrument(skip(self), level = "debug")] . pub fn consume_or_clone_expr(&self, expr: &hir::Expr<'_>) -> Result<(), Cx::Error> { . let place_with_id = self.cat_expr(expr)?; . self.consume_clone_or_copy(&place_with_id, place_with_id.hir_id); . self.walk_expr(expr)?; . Ok(()) . } . 62 ( 0.00%) fn mutate_expr(&self, expr: &hir::Expr<'_>) -> Result<(), Cx::Error> { 10 ( 0.00%) let place_with_id = self.cat_expr(expr)?; . self.delegate.borrow_mut().mutate(&place_with_id, place_with_id.hir_id); 30 ( 0.00%) self.walk_expr(expr)?; 483 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_expr'2 (2x) . Ok(()) 27 ( 0.00%) } . . #[instrument(skip(self), level = "debug")] 1,087 ( 0.00%) fn borrow_expr(&self, expr: &hir::Expr<'_>, bk: ty::BorrowKind) -> Result<(), Cx::Error> { 120 ( 0.00%) let place_with_id = self.cat_expr(expr)?; 112 ( 0.00%) self.delegate.borrow_mut().borrow(&place_with_id, place_with_id.hir_id, bk); 363 ( 0.00%) self.walk_expr(expr) 19,968 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_expr'2 (59x) 818 ( 0.00%) } . . #[instrument(skip(self), level = "debug")] 8,352 ( 0.00%) pub fn walk_expr(&self, expr: &hir::Expr<'_>) -> Result<(), Cx::Error> { . self.walk_adjustment(expr)?; . 4,642 ( 0.00%) match expr.kind { . hir::ExprKind::Path(_) => {} . . hir::ExprKind::Type(subexpr, _) => { . self.walk_expr(subexpr)?; . } . . hir::ExprKind::UnsafeBinderCast(_, subexpr, _) => { . self.walk_expr(subexpr)?; -- line 402 ---------------------------------------- -- line 407 ---------------------------------------- . self.walk_expr(base)?; . } . . hir::ExprKind::Field(base, _) => { . // base.f . self.walk_expr(base)?; . } . 4 ( 0.00%) hir::ExprKind::Index(lhs, rhs, _) => { . // lhs[rhs] 4 ( 0.00%) self.walk_expr(lhs)?; 5,041 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_expr'2 (2x) . self.consume_expr(rhs)?; . } . 423 ( 0.00%) hir::ExprKind::Call(callee, args) => { . // callee(args) 282 ( 0.00%) self.consume_expr(callee)?; 588 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr'2 (1x) . self.consume_exprs(args)?; . } . . hir::ExprKind::Use(expr, _) => { . self.consume_or_clone_expr(expr)?; . } . 141 ( 0.00%) hir::ExprKind::MethodCall(.., receiver, args, _) => { . // callee.m(args) 94 ( 0.00%) self.consume_expr(receiver)?; 11,044 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr'2 (4x) . self.consume_exprs(args)?; . } . 2 ( 0.00%) hir::ExprKind::Struct(_, fields, ref opt_with) => { . self.walk_struct_expr(fields, opt_with)?; . } . 1 ( 0.00%) hir::ExprKind::Tup(exprs) => { . self.consume_exprs(exprs)?; . } . 16 ( 0.00%) hir::ExprKind::If(cond_expr, then_expr, ref opt_else_expr) => { 16 ( 0.00%) self.consume_expr(cond_expr)?; 1,991 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr'2 (2x) 24 ( 0.00%) self.consume_expr(then_expr)?; 40,212 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr'2 (2x) 24 ( 0.00%) if let Some(else_expr) = *opt_else_expr { . self.consume_expr(else_expr)?; . } . } . . hir::ExprKind::Let(hir::LetExpr { pat, init, .. }) => { . self.walk_local(init, pat, None, || self.borrow_expr(init, BorrowKind::Immutable))?; . } . 21 ( 0.00%) hir::ExprKind::Match(discr, arms, _) => { 56 ( 0.00%) let discr_place = self.cat_expr(discr)?; . self.fake_read_scrutinee(&discr_place, true)?; 21 ( 0.00%) self.walk_expr(discr)?; 710 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_expr'2 (1x) . . for arm in arms { . self.walk_arm(&discr_place, arm)?; . } . } . 1 ( 0.00%) hir::ExprKind::Array(exprs) => { . self.consume_exprs(exprs)?; . } . 241 ( 0.00%) hir::ExprKind::AddrOf(_, m, base) => { . // &base . // make sure that the thing we are pointing out stays valid . // for the lifetime `scope_r` of the resulting ptr: . let bk = ty::BorrowKind::from_mutbl(m); 482 ( 0.00%) self.borrow_expr(base, bk)?; 521 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::borrow_expr (1x) . } . . hir::ExprKind::InlineAsm(asm) => { . for (op, _op_sp) in asm.operands { . match op { . hir::InlineAsmOperand::In { expr, .. } => { . self.consume_expr(expr)?; . } -- line 484 ---------------------------------------- -- line 504 ---------------------------------------- . } . . hir::ExprKind::Continue(..) . | hir::ExprKind::Lit(..) . | hir::ExprKind::ConstBlock(..) . | hir::ExprKind::OffsetOf(..) . | hir::ExprKind::Err(_) => {} . 3 ( 0.00%) hir::ExprKind::Loop(blk, ..) => { . self.walk_block(blk)?; . } . . hir::ExprKind::Unary(_, lhs) => { . self.consume_expr(lhs)?; . } . 26 ( 0.00%) hir::ExprKind::Binary(_, lhs, rhs) => { 26 ( 0.00%) self.consume_expr(lhs)?; 1,912 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr'2 (3x) . self.consume_expr(rhs)?; . } . 63 ( 0.00%) hir::ExprKind::Block(blk, _) => { . self.walk_block(blk)?; . } . . hir::ExprKind::Break(_, ref opt_expr) | hir::ExprKind::Ret(ref opt_expr) => { 27 ( 0.00%) if let Some(expr) = *opt_expr { 48 ( 0.00%) self.consume_expr(expr)?; . } . } . . hir::ExprKind::Become(call) => { . self.consume_expr(call)?; . } . 14 ( 0.00%) hir::ExprKind::Assign(lhs, rhs, _) => { 14 ( 0.00%) self.mutate_expr(lhs)?; 619 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::mutate_expr (1x) . self.consume_expr(rhs)?; . } . . hir::ExprKind::Cast(base, _) => { . self.consume_expr(base)?; . } . . hir::ExprKind::DropTemps(expr) => { . self.consume_expr(expr)?; . } . 6 ( 0.00%) hir::ExprKind::AssignOp(_, lhs, rhs) => { 21 ( 0.00%) if self.cx.typeck_results().is_method_call(expr) { 5 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (1x) 38 ( 0.00%) => ???:::is_method_call (1x) . self.consume_expr(lhs)?; . } else { 9 ( 0.00%) self.mutate_expr(lhs)?; 566 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::mutate_expr (1x) . } 121 ( 0.00%) self.consume_expr(rhs)?; . } . . hir::ExprKind::Repeat(base, _) => { . self.consume_expr(base)?; . } . 2 ( 0.00%) hir::ExprKind::Closure(closure) => { 2 ( 0.00%) self.walk_captures(closure)?; . } . . hir::ExprKind::Yield(value, _) => { . self.consume_expr(value)?; . } . } . . Ok(()) 7,424 ( 0.00%) } . . fn walk_stmt(&self, stmt: &hir::Stmt<'_>) -> Result<(), Cx::Error> { 1,094 ( 0.00%) match stmt.kind { . hir::StmtKind::Let(hir::LetStmt { pat, init: Some(expr), els, .. }) => { 232 ( 0.00%) self.walk_local(expr, pat, *els, || Ok(()))?; 141,741 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_local::<>::walk_stmt::{closure#0}> (3x) 58 ( 0.00%) } . . hir::StmtKind::Let(_) => {} . . hir::StmtKind::Item(_) => { . // We don't visit nested items in this visitor, . // only the fn body we were given. . } . 124 ( 0.00%) hir::StmtKind::Expr(expr) | hir::StmtKind::Semi(expr) => { 248 ( 0.00%) self.consume_expr(expr)?; 22,588 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr'2 (1x) . } . } . . Ok(()) . } . . #[instrument(skip(self), level = "debug")] . fn fake_read_scrutinee( -- line 599 ---------------------------------------- -- line 612 ---------------------------------------- . FakeReadCause::ForLet(closure_def_id) . }; . . self.delegate.borrow_mut().fake_read(discr_place, cause, discr_place.hir_id); . . Ok(()) . } . 638 ( 0.00%) fn walk_local( . &self, . expr: &hir::Expr<'_>, . pat: &hir::Pat<'_>, . els: Option<&hir::Block<'_>>, . mut f: F, . ) -> Result<(), Cx::Error> . where . F: FnMut() -> Result<(), Cx::Error>, . { 58 ( 0.00%) self.walk_expr(expr)?; 237,015 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_expr'2 (6x) 464 ( 0.00%) let expr_place = self.cat_expr(expr)?; . f()?; . self.fake_read_scrutinee(&expr_place, els.is_some())?; . self.walk_pat(&expr_place, pat, false)?; 58 ( 0.00%) if let Some(els) = els { . self.walk_block(els)?; . } . Ok(()) 464 ( 0.00%) } . . /// Indicates that the value of `blk` will be consumed, meaning either copied or moved . /// depending on its type. . #[instrument(skip(self), level = "debug")] . fn walk_block(&self, blk: &hir::Block<'_>) -> Result<(), Cx::Error> { 66 ( 0.00%) for stmt in blk.stmts { . self.walk_stmt(stmt)?; . } . 198 ( 0.00%) if let Some(tail_expr) = blk.expr { . self.consume_expr(tail_expr)?; . } . . Ok(()) . } . . fn walk_struct_expr<'hir>( . &self, . fields: &[hir::ExprField<'_>], . opt_with: &hir::StructTailExpr<'hir>, . ) -> Result<(), Cx::Error> { . // Consume the expressions supplying values for each field. . for field in fields { 3 ( 0.00%) self.consume_expr(field.expr)?; 462 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr'2 (1x) . . // The struct path probably didn't resolve 7 ( 0.00%) if self.cx.typeck_results().opt_field_index(field.hir_id).is_none() { 5 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (1x) 39 ( 0.00%) => ???:::opt_field_index (1x) . self.cx . .tcx() . .dcx() . .span_delayed_bug(field.span, "couldn't resolve index for field"); . } . } . 2 ( 0.00%) let with_expr = match *opt_with { . hir::StructTailExpr::Base(w) => &*w, . hir::StructTailExpr::DefaultFields(_) . | hir::StructTailExpr::None . | hir::StructTailExpr::NoneWithError(_) => { . return Ok(()); . } . }; . -- line 682 ---------------------------------------- -- line 719 ---------------------------------------- . . Ok(()) . } . . /// Invoke the appropriate delegate calls for anything that gets . /// consumed or borrowed as part of the automatic adjustment . /// process. . fn walk_adjustment(&self, expr: &hir::Expr<'_>) -> Result<(), Cx::Error> { 1,856 ( 0.00%) let typeck_results = self.cx.typeck_results(); 5 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (1x) 4,640 ( 0.00%) let adjustments = typeck_results.expr_adjustments(expr); 49 ( 0.00%) => ???:::expr_adjustments (1x) 3,712 ( 0.00%) let mut place_with_id = self.cat_expr_unadjusted(expr)?; 104 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_expr_unadjusted (1x) . for (adjustment_index, adjustment) in adjustments.iter().enumerate() { . let is_last_adjustment = adjustment_index + 1 == adjustments.len(); . debug!("walk_adjustment expr={:?} adj={:?}", expr, adjustment); 4,794 ( 0.00%) match adjustment.kind { . adjustment::Adjust::NeverToAny | adjustment::Adjust::Pointer(_) => { . // Creating a closure/fn-pointer or unsizing consumes . // the input and stores it into the resulting rvalue. . self.consume_or_copy(&place_with_id, place_with_id.hir_id); . } . . adjustment::Adjust::Deref(DerefAdjustKind::Builtin | DerefAdjustKind::Pin) => {} . -- line 741 ---------------------------------------- -- line 745 ---------------------------------------- . // `x.deref()`. Since `deref()` is declared with `&self`, . // this is an autoref of `x`. . adjustment::Adjust::Deref(DerefAdjustKind::Overloaded(deref)) => { . let bk = ty::BorrowKind::from_mutbl(deref.mutbl); . self.delegate.borrow_mut().borrow(&place_with_id, place_with_id.hir_id, bk); . } . . adjustment::Adjust::Borrow(ref autoref) => { 187 ( 0.00%) self.walk_autoref(expr, &place_with_id, autoref); . } . . adjustment::Adjust::GenericReborrow(mutability) if is_last_adjustment => { . let bk = ty::BorrowKind::from_mutbl(mutability); . self.delegate.borrow_mut().borrow(&place_with_id, place_with_id.hir_id, bk); . } . . adjustment::Adjust::GenericReborrow(_) => { . span_bug!(expr.span, "generic reborrow adjustment must be terminal"); . } . } 800 ( 0.00%) place_with_id = self.cat_expr_adjusted(expr, place_with_id, adjustment)?; . } . . Ok(()) . } . . /// Walks the autoref `autoref` applied to the autoderef'd . /// `expr`. `base_place` is `expr` represented as a place, . /// after all relevant autoderefs have occurred. -- line 773 ---------------------------------------- -- line 777 ---------------------------------------- . base_place: &PlaceWithHirId<'tcx>, . autoref: &adjustment::AutoBorrow, . ) { . debug!( . "walk_autoref(expr.hir_id={} base_place={:?} autoref={:?})", . expr.hir_id, base_place, autoref . ); . 374 ( 0.00%) match *autoref { . adjustment::AutoBorrow::Ref(m) => { . self.delegate.borrow_mut().borrow( . base_place, . base_place.hir_id, . ty::BorrowKind::from_mutbl(m.into()), . ); . } . -- line 793 ---------------------------------------- -- line 803 ---------------------------------------- . } . } . . fn walk_arm( . &self, . discr_place: &PlaceWithHirId<'tcx>, . arm: &hir::Arm<'_>, . ) -> Result<(), Cx::Error> { 16 ( 0.00%) self.walk_pat(discr_place, arm.pat, arm.guard.is_some())?; . 32 ( 0.00%) if let Some(ref e) = arm.guard { 3 ( 0.00%) self.consume_expr(e)?; 2,880 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr (1x) . } . 48 ( 0.00%) self.consume_expr(arm.body)?; 15,809 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::consume_expr'2 (3x) . Ok(()) . } . . /// The core driver for walking a pattern . /// . /// This should mirror how pattern-matching gets lowered to MIR, as . /// otherwise said lowering will ICE when trying to resolve the upvars. . /// -- line 825 ---------------------------------------- -- line 832 ---------------------------------------- . /// in the semantics of the language, and should be avoided if possible. . #[instrument(skip(self), level = "debug")] . fn walk_pat( . &self, . discr_place: &PlaceWithHirId<'tcx>, . pat: &hir::Pat<'_>, . has_guard: bool, . ) -> Result<(), Cx::Error> { 166 ( 0.00%) let tcx = self.cx.tcx(); 1,658 ( 0.00%) self.cat_pattern(discr_place.clone(), pat, &mut |place, pat| { 5,191 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_pattern::<>::walk_pat::{closure#0}> (3x) . debug!("walk_pat: pat.kind={:?}", pat.kind); 133 ( 0.00%) let read_discriminant = || { . self.delegate.borrow_mut().borrow(place, discr_place.hir_id, BorrowKind::Immutable); . }; . 681 ( 0.00%) match pat.kind { 166 ( 0.00%) PatKind::Binding(_, canonical_id, ..) => { . debug!("walk_pat: binding place={:?} pat={:?}", place, pat); 101 ( 0.00%) let bm = self . .cx 168 ( 0.00%) .typeck_results() 160 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (32x) 729 ( 0.00%) .extract_binding_mode(tcx.sess, pat.hir_id, pat.span); 1,452 ( 0.00%) => ???:::extract_binding_mode (32x) . debug!("walk_pat: pat.hir_id={:?} bm={:?}", pat.hir_id, bm); . . // pat_ty: the type of the binding being produced. . let pat_ty = self.node_ty(pat.hir_id)?; . debug!("walk_pat: pat_ty={:?}", pat_ty); . . let def = Res::Local(canonical_id); . if let Ok(ref binding_place) = self.cat_res(pat.hir_id, pat.span, pat_ty, def) { . self.delegate.borrow_mut().bind(binding_place, binding_place.hir_id); . } . . // Subtle: MIR desugaring introduces immutable borrows for each pattern . // binding when lowering pattern guards to ensure that the guard does not . // modify the scrutinee. 189 ( 0.00%) if has_guard { . read_discriminant(); . } . . // It is also a borrow or copy/move of the value being matched. . // In a cases of pattern like `let pat = upvar`, don't use the span . // of the pattern, as this just looks confusing, instead use the span . // of the discriminant. 233 ( 0.00%) match bm.0 { . hir::ByRef::Yes(_, m) => { . let bk = ty::BorrowKind::from_mutbl(m); . self.delegate.borrow_mut().borrow(place, discr_place.hir_id, bk); . } 32 ( 0.00%) hir::ByRef::No => { . debug!("walk_pat binding consuming pat"); . self.consume_or_copy(place, discr_place.hir_id); . } . } . } . PatKind::Deref(subpattern) => { . // A deref pattern is a bit special: the binding mode of its inner bindings . // determines whether to borrow *at the level of the deref pattern* rather than -- line 889 ---------------------------------------- -- line 899 ---------------------------------------- . self.delegate.borrow_mut().borrow(place, discr_place.hir_id, bk); . } . } . PatKind::Never => { . // A `!` pattern always counts as an immutable read of the discriminant, . // even in an irrefutable pattern. . read_discriminant(); . } 10 ( 0.00%) PatKind::Expr(PatExpr { kind: PatExprKind::Path(qpath), hir_id, span }) => { . // A `Path` pattern is just a name like `Foo`. This is either a . // named constant or else it refers to an ADT variant . 80 ( 0.00%) let res = self.cx.typeck_results().qpath_res(qpath, *hir_id); 10 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (2x) 30 ( 0.00%) => ???:::qpath_res (2x) 130 ( 0.00%) match res { . Res::Def(DefKind::Const { .. }, _) . | Res::Def(DefKind::AssocConst { .. }, _) => { . // Named constants have to be equated with the value . // being matched, so that's a read of the value being matched. . // . // FIXME: Does the MIR code skip this read when matching on a ZST? . // If so, we can also skip it here. . read_discriminant(); . } . _ => { . // Otherwise, this is a struct/enum variant, and so it's . // only a read if we need to read the discriminant. 2 ( 0.00%) if self.is_multivariant_adt(place.place.ty(), *span) { . read_discriminant(); . } . } . } . } . PatKind::Expr(_) | PatKind::Range(..) => { . // When matching against a literal or range, we need to . // borrow the place to compare it against the pattern. -- line 933 ---------------------------------------- -- line 936 ---------------------------------------- . // possible values, such as 0..=u8::MAX. This is because . // we don't want to depend on consteval here. . // . // FIXME: What if the type being matched only has one . // possible value? . read_discriminant(); . } . PatKind::Struct(..) | PatKind::TupleStruct(..) => { 5 ( 0.00%) if self.is_multivariant_adt(place.place.ty(), pat.span) { . read_discriminant(); . } . } . PatKind::Slice(lhs, wild, rhs) => { . // We don't need to test the length if the pattern is `[..]` . if matches!((lhs, wild, rhs), (&[], Some(_), &[])) . // Arrays have a statically known size, so . // there is no need to read their length -- line 952 ---------------------------------------- -- line 968 ---------------------------------------- . // If the PatKind is Or, Box, Ref, Guard, or Tuple, the relevant accesses . // are made later as these patterns contains subpatterns. . // If the PatKind is Missing, Wild or Err, any relevant accesses are made when processing . // the other patterns that are part of the match . } . } . . Ok(()) 424 ( 0.00%) }) . } . . /// Handle the case where the current body contains a closure. . /// . /// When the current body being handled is a closure, then we must make sure that . /// - The parent closure only captures Places from the nested closure that are not local to it. . /// . /// In the following example the closures `c` only captures `p.x` even though `incr` -- line 984 ---------------------------------------- -- line 1000 ---------------------------------------- . fn upvar_is_local_variable( . upvars: Option<&FxIndexMap>, . upvar_id: HirId, . body_owner_is_closure: bool, . ) -> bool { . upvars.map(|upvars| !upvars.contains_key(&upvar_id)).unwrap_or(body_owner_is_closure) . } . 2 ( 0.00%) let tcx = self.cx.tcx(); . let closure_def_id = closure_expr.def_id; . // For purposes of this function, coroutine and closures are equivalent. . let body_owner_is_closure = matches!( 8 ( 0.00%) tcx.hir_body_owner_kind(self.cx.body_owner_def_id()), 118 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_middle/src/hir/map.rs:::hir_body_owner_kind:: (2x) . hir::BodyOwnerKind::Closure . ); . . // If we have a nested closure, we want to include the fake reads present in the nested . // closure. 4 ( 0.00%) if let Some(fake_reads) = self.cx.typeck_results().closure_fake_reads.get(&closure_def_id) { 10 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (2x) . for (fake_read, cause, hir_id) in fake_reads.iter() { . match fake_read.base { . PlaceBase::Upvar(upvar_id) => { . if upvar_is_local_variable( . self.upvars, . upvar_id.var_path.hir_id, . body_owner_is_closure, . ) { -- line 1026 ---------------------------------------- -- line 1054 ---------------------------------------- . &PlaceWithHirId { place: fake_read.clone(), hir_id: *hir_id }, . *cause, . *hir_id, . ); . } . } . . if let Some(min_captures) = 4 ( 0.00%) self.cx.typeck_results().closure_min_captures.get(&closure_def_id) 10 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (2x) . { . for (var_hir_id, min_list) in min_captures.iter() { . if self . .upvars . .map_or(body_owner_is_closure, |upvars| !upvars.contains_key(var_hir_id)) . { . // The nested closure might be capturing the current (enclosing) closure's local variables. . // We check if the root variable is ever mentioned within the enclosing closure, if not -- line 1070 ---------------------------------------- -- line 1126 ---------------------------------------- . /// two operations: a dereference to reach the array data and then an index to . /// jump forward to the relevant item. . impl<'tcx, Cx: TypeInformationCtxt<'tcx>, D: Delegate<'tcx>> ExprUseVisitor<'tcx, Cx, D> { . fn expect_and_resolve_type( . &self, . id: HirId, . ty: Option>, . ) -> Result, Cx::Error> { 3,464 ( 0.00%) match ty { . Some(ty) => { . let ty = self.cx.resolve_vars_if_possible(ty); . self.cx.error_reported_in_ty(ty)?; . Ok(ty) . } . None => { . // FIXME: We shouldn't be relying on the infcx being tainted. . self.cx.tainted_by_errors()?; . bug!("no type for node {} in ExprUseVisitor", self.cx.tcx().hir_id_to_string(id)); . } . } . } . . fn node_ty(&self, hir_id: HirId) -> Result, Cx::Error> { 586 ( 0.00%) self.expect_and_resolve_type(hir_id, self.cx.typeck_results().node_type_opt(hir_id)) 222 ( 0.00%) => ???:::node_type_opt (6x) 30 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (6x) . } . 11,494 ( 0.00%) fn expr_ty(&self, expr: &hir::Expr<'_>) -> Result, Cx::Error> { 13,136 ( 0.00%) self.expect_and_resolve_type(expr.hir_id, self.cx.typeck_results().expr_ty_opt(expr)) 24,687 ( 0.00%) => ???:::expr_ty_opt (633x) 3,165 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (633x) 9,852 ( 0.00%) } . . fn expr_ty_adjusted(&self, expr: &hir::Expr<'_>) -> Result, Cx::Error> { . self.expect_and_resolve_type( 20 ( 0.00%) expr.hir_id, 30 ( 0.00%) self.cx.typeck_results().expr_ty_adjusted_opt(expr), 225 ( 0.00%) => ???:::expr_ty_adjusted_opt (5x) 25 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (5x) . ) . } . . /// Returns the type of value that this pattern matches against. . /// Some non-obvious cases: . /// . /// - a `ref x` binding matches against a value of type `T` and gives . /// `x` the type `&T`; we return `T`. . /// - a pattern with implicit derefs (thanks to default binding . /// modes #42640) may look like `Some(x)` but in fact have . /// implicit deref patterns attached (e.g., it is really . /// `&Some(x)`). In that case, we return the "outermost" type . /// (e.g., `&Option`). 144 ( 0.00%) fn pat_ty_adjusted(&self, pat: &hir::Pat<'_>) -> Result, Cx::Error> { . // Check for implicit `&` types wrapping the pattern; note . // that these are never attached to binding patterns, so . // actually this is somewhat "disjoint" from the code below . // that aims to account for `ref x`. 80 ( 0.00%) if let Some(vec) = self.cx.typeck_results().pat_adjustments().get(pat.hir_id) { 30 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (6x) . if let Some(first_adjust) = vec.first() { . debug!("pat_ty(pat={:?}) found adjustment `{:?}`", pat, first_adjust); . return Ok(first_adjust.source); . } 32 ( 0.00%) } else if let PatKind::Ref(subpat, _, _) = pat.kind . && self.cx.typeck_results().skipped_ref_pats().contains(pat.hir_id) . { . return self.pat_ty_adjusted(subpat); . } . 48 ( 0.00%) self.pat_ty_unadjusted(pat) 732 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::pat_ty_unadjusted (6x) 128 ( 0.00%) } . . /// Like [`Self::pat_ty_adjusted`], but ignores implicit `&` patterns. 144 ( 0.00%) fn pat_ty_unadjusted(&self, pat: &hir::Pat<'_>) -> Result, Cx::Error> { 32 ( 0.00%) let base_ty = self.node_ty(pat.hir_id)?; . trace!(?base_ty); . . // This code detects whether we are looking at a `ref x`, . // and if so, figures out what the type *being borrowed* is. 32 ( 0.00%) match pat.kind { . PatKind::Binding(..) => { 30 ( 0.00%) let bm = *self . .cx 45 ( 0.00%) .typeck_results() 30 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (6x) . .pat_binding_modes() . .get(pat.hir_id) . .expect("missing binding mode"); . 41 ( 0.00%) if let hir::ByRef::Yes(pinnedness, _) = bm.0 { . let base_ty = if pinnedness.is_pinned() { . base_ty.pinned_ty().ok_or_else(|| { . debug!("By-pin-ref binding of non-`Pin` type: {base_ty:?}"); . self.cx.report_bug(pat.span, "by-pin-ref binding of non-`Pin` type") . })? . } else { . base_ty . }; . // a bind-by-ref means that the base_ty will be the type of the ident itself, . // but what we want here is the type of the underlying value being borrowed. . // So peel off one-level, turning the &T into T. 10 ( 0.00%) match self.cx.structurally_resolve_type(pat.span, base_ty).builtin_deref(false) 14 ( 0.00%) => ???:::builtin_deref (2x) . { . Some(ty) => Ok(ty), . None => { . debug!("By-ref binding of non-derefable type: {base_ty:?}"); . Err(self . .cx . .report_bug(pat.span, "by-ref binding of non-derefable type")) . } . } . } else { . Ok(base_ty) . } . } . _ => Ok(base_ty), . } 128 ( 0.00%) } . . fn cat_expr(&self, expr: &hir::Expr<'_>) -> Result, Cx::Error> { 5,260 ( 0.00%) self.cat_expr_(expr, self.cx.typeck_results().expr_adjustments(expr)) 75 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (15x) 645 ( 0.00%) => ???:::expr_adjustments (15x) . } . . /// This recursion helper avoids going through *too many* . /// adjustments, since *only* non-overloaded deref recurses. . fn cat_expr_( . &self, . expr: &hir::Expr<'_>, . adjustments: &[adjustment::Adjustment<'tcx>], . ) -> Result, Cx::Error> { . match adjustments.split_last() { 2,011 ( 0.00%) None => self.cat_expr_unadjusted(expr), 12,399 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_expr_unadjusted (59x) . Some((adjustment, previous)) => { 2,540 ( 0.00%) self.cat_expr_adjusted_with(expr, || self.cat_expr_(expr, previous), adjustment) 6,810 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_expr_adjusted_with::<>::cat_expr_::{closure#0}> (15x) . } . } . } . . fn cat_expr_adjusted( . &self, . expr: &hir::Expr<'_>, . previous: PlaceWithHirId<'tcx>, . adjustment: &adjustment::Adjustment<'tcx>, . ) -> Result, Cx::Error> { 800 ( 0.00%) self.cat_expr_adjusted_with(expr, || Ok(previous), adjustment) . } . . fn cat_expr_adjusted_with( . &self, . expr: &hir::Expr<'_>, . previous: F, . adjustment: &adjustment::Adjustment<'tcx>, . ) -> Result, Cx::Error> . where . F: FnOnce() -> Result, Cx::Error>, . { 260 ( 0.00%) let target = self.cx.resolve_vars_if_possible(adjustment.target); 1,580 ( 0.00%) match adjustment.kind { . adjustment::Adjust::Deref(deref_kind) => { . // Equivalent to *expr or something similar. 514 ( 0.00%) let base = if let DerefAdjustKind::Overloaded(deref) = deref_kind { . let ref_ty = Ty::new_ref( 6 ( 0.00%) self.cx.tcx(), 4 ( 0.00%) self.cx.tcx().lifetimes.re_erased, . target, . deref.mutbl, . ); . self.cat_rvalue(expr.hir_id, ref_ty) . } else { 2,124 ( 0.00%) previous()? . }; 1,266 ( 0.00%) self.cat_deref(expr.hir_id, base) 526 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_deref (2x) . } . . adjustment::Adjust::NeverToAny . | adjustment::Adjust::Pointer(_) . | adjustment::Adjust::Borrow(_) . | adjustment::Adjust::GenericReborrow(..) => { . // Result is an rvalue. 3,227 ( 0.00%) Ok(self.cat_rvalue(expr.hir_id, target)) . } . } 260 ( 0.00%) } . 21,281 ( 0.00%) fn cat_expr_unadjusted(&self, expr: &hir::Expr<'_>) -> Result, Cx::Error> { 6,548 ( 0.00%) let expr_ty = self.expr_ty(expr)?; 41,406 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::expr_ty (618x) 6,552 ( 0.00%) match expr.kind { . hir::ExprKind::Unary(hir::UnOp::Deref, e_base) => { . if self.cx.typeck_results().is_method_call(expr) { . self.cat_overloaded_place(expr, e_base) . } else { . let base = self.cat_expr(e_base)?; . self.cat_deref(expr.hir_id, base) . } . } . 68 ( 0.00%) hir::ExprKind::Field(base, _) => { 204 ( 0.00%) let base = self.cat_expr(base)?; . debug!(?base); . . let field_idx = self . .cx 136 ( 0.00%) .typeck_results() 75 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (15x) . .field_indices() 136 ( 0.00%) .get(expr.hir_id) . .cloned() . .expect("Field index not found"); . 340 ( 0.00%) Ok(self.cat_projection( . expr.hir_id, 544 ( 0.00%) base, . expr_ty, . ProjectionKind::Field(field_idx, FIRST_VARIANT), . )) . } . 5 ( 0.00%) hir::ExprKind::Index(base, _, _) => { 35 ( 0.00%) if self.cx.typeck_results().is_method_call(expr) { 10 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (2x) 90 ( 0.00%) => ???:::is_method_call (2x) . // If this is an index implemented by a method call, then it . // will include an implicit deref of the result. . // The call to index() returns a `&T` value, which . // is an rvalue. That is what we will be . // dereferencing. 20 ( 0.00%) self.cat_overloaded_place(expr, base) . } else { . let base = self.cat_expr(base)?; . Ok(self.cat_projection(expr.hir_id, base, expr_ty, ProjectionKind::Index)) . } . } . 807 ( 0.00%) hir::ExprKind::Path(ref qpath) => { 8,070 ( 0.00%) let res = self.cx.typeck_results().qpath_res(qpath, expr.hir_id); 6,211 ( 0.00%) => ???:::qpath_res (317x) 1,585 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (317x) 807 ( 0.00%) self.cat_res(expr.hir_id, expr.span, expr_ty, res) 807 ( 0.00%) } . . // type ascription doesn't affect the place-ness of the subexpression. . hir::ExprKind::Type(e, _) => self.cat_expr(e), . . hir::ExprKind::UnsafeBinderCast(UnsafeBinderCastKind::Unwrap, e, _) => { . let base = self.cat_expr(e)?; . Ok(self.cat_projection( . expr.hir_id, -- line 1360 ---------------------------------------- -- line 1389 ---------------------------------------- . | hir::ExprKind::ConstBlock(..) . | hir::ExprKind::Break(..) . | hir::ExprKind::Continue(..) . | hir::ExprKind::Struct(..) . | hir::ExprKind::Repeat(..) . | hir::ExprKind::InlineAsm(..) . | hir::ExprKind::OffsetOf(..) . | hir::ExprKind::UnsafeBinderCast(UnsafeBinderCastKind::Wrap, ..) 5,299 ( 0.00%) | hir::ExprKind::Err(_) => Ok(self.cat_rvalue(expr.hir_id, expr_ty)), . } 13,056 ( 0.00%) } . . fn cat_res( . &self, . hir_id: HirId, . span: Span, . expr_ty: Ty<'tcx>, . res: Res, . ) -> Result, Cx::Error> { 6,609 ( 0.00%) match res { . Res::Def( . DefKind::Ctor(..) . | DefKind::Const { .. } . | DefKind::ConstParam . | DefKind::AssocConst { .. } . | DefKind::Fn . | DefKind::AssocFn, . _, . ) 1,600 ( 0.00%) | Res::SelfCtor(..) => Ok(self.cat_rvalue(hir_id, expr_ty)), . . Res::Def(DefKind::Static { .. }, _) => { . Ok(PlaceWithHirId::new(hir_id, expr_ty, PlaceBase::StaticItem, Vec::new())) . } . 2,143 ( 0.00%) Res::Local(var_id) => { 629 ( 0.00%) if self.upvars.is_some_and(|upvars| upvars.contains_key(&var_id)) { . self.cat_upvar(hir_id, var_id) . } else { . Ok(PlaceWithHirId::new(hir_id, expr_ty, PlaceBase::Local(var_id), Vec::new())) . } . } . . def => span_bug!(span, "unexpected definition in ExprUseVisitor: {:?}", def), . } -- line 1433 ---------------------------------------- -- line 1434 ---------------------------------------- . } . . /// Categorize an upvar. . /// . /// Note: the actual upvar access contains invisible derefs of closure . /// environment and upvar reference as appropriate. Only regionck cares . /// about these dereferences, so we let it compute them as needed. . fn cat_upvar(&self, hir_id: HirId, var_id: HirId) -> Result, Cx::Error> { 2 ( 0.00%) let closure_expr_def_id = self.cx.body_owner_def_id(); . . let upvar_id = ty::UpvarId { . var_path: ty::UpvarPath { hir_id: var_id }, . closure_expr_id: closure_expr_def_id, . }; . let var_ty = self.node_ty(var_id)?; . . Ok(PlaceWithHirId::new(hir_id, var_ty, PlaceBase::Upvar(upvar_id), Vec::new())) . } . . fn cat_rvalue(&self, hir_id: HirId, expr_ty: Ty<'tcx>) -> PlaceWithHirId<'tcx> { . PlaceWithHirId::new(hir_id, expr_ty, PlaceBase::Rvalue, Vec::new()) . } . 1,079 ( 0.00%) fn cat_projection( . &self, . node: HirId, . base_place: PlaceWithHirId<'tcx>, . ty: Ty<'tcx>, . kind: ProjectionKind, . ) -> PlaceWithHirId<'tcx> { 166 ( 0.00%) let place_ty = base_place.place.ty(); 744 ( 0.00%) => ???:::ty (62x) 332 ( 0.00%) let mut projections = base_place.place.projections; . 581 ( 0.00%) let node_ty = self.cx.typeck_results().node_type(node); 2,542 ( 0.00%) => ???:::node_type (62x) 310 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (62x) 423 ( 0.00%) if !self.cx.tcx().next_trait_solver_globally() { . // Opaque types can't have field projections, but we can instead convert . // the current place in-place (heh) to the hidden type, and then apply all . // follow up projections on that. . if node_ty != place_ty . && self . .cx 204 ( 0.00%) .structurally_resolve_type(self.cx.tcx().hir_span(base_place.hir_id), place_ty) 6,572 ( 0.00%) => ???:::hir_span (53x) . .is_opaque() . { . projections.push(Projection { kind: ProjectionKind::OpaqueCast, ty: node_ty }); . } . } . projections.push(Projection { kind, ty }); 747 ( 0.00%) PlaceWithHirId::new(node, base_place.place.base_ty, base_place.place.base, projections) 664 ( 0.00%) } . 55 ( 0.00%) fn cat_overloaded_place( . &self, . expr: &hir::Expr<'_>, . base: &hir::Expr<'_>, . ) -> Result, Cx::Error> { . // Reconstruct the output assuming it's a reference with the . // same region and mutability as the receiver. This holds for . // `Deref(Mut)::Deref(_mut)` and `Index(Mut)::index(_mut)`. 20 ( 0.00%) let place_ty = self.expr_ty(expr)?; 335 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::expr_ty (5x) . let base_ty = self.expr_ty_adjusted(base)?; . 20 ( 0.00%) let ty::Ref(region, _, mutbl) = . *self.cx.structurally_resolve_type(base.span, base_ty).kind() . else { . span_bug!(expr.span, "cat_overloaded_place: base is not a reference"); . }; 5 ( 0.00%) let ref_ty = Ty::new_ref(self.cx.tcx(), region, place_ty, mutbl); . 10 ( 0.00%) let base = self.cat_rvalue(expr.hir_id, ref_ty); 15 ( 0.00%) self.cat_deref(expr.hir_id, base) 1,315 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_deref (5x) 40 ( 0.00%) } . 3,180 ( 0.00%) fn cat_deref( . &self, . node: HirId, . base_place: PlaceWithHirId<'tcx>, . ) -> Result, Cx::Error> { 530 ( 0.00%) let base_curr_ty = base_place.place.ty(); 2,076 ( 0.00%) => ???:::ty (173x) 530 ( 0.00%) let Some(deref_ty) = self . .cx 1,060 ( 0.00%) .structurally_resolve_type(self.cx.tcx().hir_span(base_place.hir_id), base_curr_ty) 21,452 ( 0.00%) => ???:::hir_span (173x) 795 ( 0.00%) .builtin_deref(true) 1,211 ( 0.00%) => ???:::builtin_deref (173x) . else { . debug!("explicit deref of non-derefable type: {:?}", base_curr_ty); . return Err(self . .cx . .report_bug(self.cx.tcx().hir_span(node), "explicit deref of non-derefable type")); . }; 1,060 ( 0.00%) let mut projections = base_place.place.projections; . projections.push(Projection { kind: ProjectionKind::Deref, ty: deref_ty }); . 3,180 ( 0.00%) Ok(PlaceWithHirId::new(node, base_place.place.base_ty, base_place.place.base, projections)) 2,120 ( 0.00%) } . . /// Returns the variant index for an ADT used within a Struct or TupleStruct pattern . /// Here `pat_hir_id` is the HirId of the pattern itself. 84 ( 0.00%) fn variant_index_for_adt( . &self, . qpath: &hir::QPath<'_>, . pat_hir_id: HirId, . span: Span, . ) -> Result { 63 ( 0.00%) let res = self.cx.typeck_results().qpath_res(qpath, pat_hir_id); 30 ( 0.00%) => ???:::qpath_res (2x) 10 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (2x) 42 ( 0.00%) let ty = self.cx.typeck_results().node_type(pat_hir_id); 82 ( 0.00%) => ???:::node_type (2x) 10 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (2x) 14 ( 0.00%) let ty::Adt(adt_def, _) = self.cx.structurally_resolve_type(span, ty).kind() else { . return Err(self . .cx . .report_bug(span, "struct or tuple struct pattern not applied to an ADT")); . }; . 112 ( 0.00%) match res { . Res::Def(DefKind::Variant, variant_id) => Ok(adt_def.variant_index_with_id(variant_id)), 14 ( 0.00%) Res::Def(DefKind::Ctor(CtorOf::Variant, ..), variant_ctor_id) => { 14 ( 0.00%) Ok(adt_def.variant_index_with_ctor_id(variant_ctor_id)) 84 ( 0.00%) => ???:::variant_index_with_ctor_id (2x) 7 ( 0.00%) } . Res::Def(DefKind::Ctor(CtorOf::Struct, ..), _) . | Res::Def(DefKind::Struct | DefKind::Union | DefKind::TyAlias | DefKind::AssocTy, _) . | Res::SelfCtor(..) . | Res::SelfTyParam { .. } . | Res::SelfTyAlias { .. } => { . // Structs and Unions have only have one variant. . Ok(FIRST_VARIANT) . } . _ => bug!("expected ADT path, found={:?}", res), . } 56 ( 0.00%) } . . /// Returns the total number of fields in an ADT variant used within a pattern. . /// Here `pat_hir_id` is the HirId of the pattern itself. . fn total_fields_in_adt_variant( . &self, . pat_hir_id: HirId, . variant_index: VariantIdx, . span: Span, . ) -> Result { 35 ( 0.00%) let ty = self.cx.typeck_results().node_type(pat_hir_id); 10 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (2x) 82 ( 0.00%) => ???:::node_type (2x) 14 ( 0.00%) match self.cx.structurally_resolve_type(span, ty).kind() { 7 ( 0.00%) ty::Adt(adt_def, _) => Ok(adt_def.variant(variant_index).fields.len()), . _ => { . self.cx . .tcx() . .dcx() . .span_bug(span, "struct or tuple struct pattern not applied to an ADT"); . } . } . } . . /// Returns the total number of fields in a tuple used within a Tuple pattern. . /// Here `pat_hir_id` is the HirId of the pattern itself. . fn total_fields_in_tuple(&self, pat_hir_id: HirId, span: Span) -> Result { 20 ( 0.00%) let ty = self.cx.typeck_results().node_type(pat_hir_id); 10 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (2x) 82 ( 0.00%) => ???:::node_type (2x) 8 ( 0.00%) match self.cx.structurally_resolve_type(span, ty).kind() { 4 ( 0.00%) ty::Tuple(args) => Ok(args.len()), . _ => Err(self.cx.report_bug(span, "tuple pattern not applied to a tuple")), . } . } . . /// Here, `place` is the `PlaceWithHirId` being matched and pat is the pattern it . /// is being matched against. . /// . /// In general, the way that this works is that we walk down the pattern, . /// constructing a `PlaceWithHirId` that represents the path that will be taken . /// to reach the value being matched. 1,023 ( 0.00%) fn cat_pattern( . &self, . mut place_with_id: PlaceWithHirId<'tcx>, . pat: &hir::Pat<'_>, . op: &mut F, . ) -> Result<(), Cx::Error> . where . F: FnMut(&PlaceWithHirId<'tcx>, &hir::Pat<'_>) -> Result<(), Cx::Error>, . { -- line 1606 ---------------------------------------- -- line 1631 ---------------------------------------- . // Some(x, ) => { ... }, . // _ => { ... }, . // } . // ``` . // . // Then we see that to get the same result, we must start with . // `deref { deref { place_foo }}` instead of `place_foo` since the pattern is now `Some(x,)` . // and not `&&Some(x,)`, even though its assigned type is that of `&&Some(x,)`. 186 ( 0.00%) let typeck_results = self.cx.typeck_results(); 170 ( 0.00%) => ???:<(&rustc_lint::context::LateContext, rustc_span::def_id::LocalDefId) as rustc_hir_typeck::expr_use_visitor::TypeInformationCtxt>::typeck_results (34x) . let adjustments: &[adjustment::PatAdjustment<'tcx>] = 279 ( 0.00%) typeck_results.pat_adjustments().get(pat.hir_id).map_or(&[], |v| &**v); . let mut adjusts = adjustments.iter().peekable(); . while let Some(adjust) = adjusts.next() { . debug!("applying adjustment to place_with_id={:?}", place_with_id); 36 ( 0.00%) place_with_id = match adjust.kind { 45 ( 0.00%) adjustment::PatAdjust::BuiltinDeref => self.cat_deref(pat.hir_id, place_with_id)?, 789 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_deref (3x) . adjustment::PatAdjust::OverloadedDeref => { . // This adjustment corresponds to an overloaded deref; unless it's on a box, it . // borrows the scrutinee to call `Deref::deref` or `DerefMut::deref_mut`. Invoke . // the callback before setting `place_with_id` to the temporary storing the . // result of the deref. . // HACK(dianne): giving the callback a fake deref pattern makes sure it behaves the . // same as it would if this were an explicit deref pattern (including for boxes). . op(&place_with_id, &hir::Pat { kind: PatKind::Deref(pat), ..*pat })?; -- line 1654 ---------------------------------------- -- line 1669 ---------------------------------------- . })?; . let kind = ProjectionKind::Field(FieldIdx::ZERO, FIRST_VARIANT); . place_with_id = self.cat_projection(pat.hir_id, place_with_id, target_ty, kind); . self.cat_deref(pat.hir_id, place_with_id)? . } . }; . } . drop(typeck_results); // explicitly release borrow of typeck results, just in case. 1,116 ( 0.00%) let place_with_id = place_with_id; // lose mutability . debug!("applied adjustment derefs to get place_with_id={:?}", place_with_id); . . // Invoke the callback, but only now, after the `place_with_id` has adjusted. . // . // To see that this makes sense, consider `match &Some(3) { Some(x) => { ... }}`. In that . // case, the initial `place_with_id` will be that for `&Some(3)` and the pattern is `Some(x)`. We . // don't want to call `op` with these incompatible values. As written, what happens instead . // is that `op` is called with the adjusted place (that for `*&Some(3)`) and the pattern . // `Some(x)` (which matches). Recursing once more, `*&Some(3)` and the pattern `Some(x)` . // result in the place `Downcast(*&Some(3)).0` associated to `x` and invoke `op` with . // that (where the `ref` on `x` is implied). 186 ( 0.00%) op(&place_with_id, pat)?; 29,153 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::walk_pat::{closure#0} (34x) . 942 ( 0.00%) match pat.kind { 12 ( 0.00%) PatKind::Tuple(subpats, dots_pos) => { . // (p1, ..., pN) . let total_fields = self.total_fields_in_tuple(pat.hir_id, pat.span)?; . . for (i, subpat) in subpats.iter().enumerate_and_adjust(total_fields, dots_pos) { 16 ( 0.00%) let subpat_ty = self.pat_ty_adjusted(subpat)?; 636 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::pat_ty_adjusted (4x) . let projection_kind = . ProjectionKind::Field(FieldIdx::from_usize(i), FIRST_VARIANT); 96 ( 0.00%) let sub_place = self.cat_projection( 736 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_projection (4x) . pat.hir_id, . place_with_id.clone(), . subpat_ty, . projection_kind, . ); 40 ( 0.00%) self.cat_pattern(sub_place, subpat, op)?; 2,164 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_pattern::<>::walk_pat::{closure#0}>'2 (4x) . } . } . 28 ( 0.00%) PatKind::TupleStruct(ref qpath, subpats, dots_pos) => { . // S(p1, ..., pN) 7 ( 0.00%) let variant_index = self.variant_index_for_adt(qpath, pat.hir_id, pat.span)?; 352 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::variant_index_for_adt (2x) . let total_fields = . self.total_fields_in_adt_variant(pat.hir_id, variant_index, pat.span)?; . . for (i, subpat) in subpats.iter().enumerate_and_adjust(total_fields, dots_pos) { 14 ( 0.00%) let subpat_ty = self.pat_ty_adjusted(subpat)?; 318 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::pat_ty_adjusted (2x) . let projection_kind = . ProjectionKind::Field(FieldIdx::from_usize(i), variant_index); 84 ( 0.00%) let sub_place = self.cat_projection( 368 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_projection (2x) . pat.hir_id, . place_with_id.clone(), . subpat_ty, . projection_kind, . ); 35 ( 0.00%) self.cat_pattern(sub_place, subpat, op)?; 890 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_pattern::<>::walk_pat::{closure#0}>'2 (2x) . } . } . . PatKind::Struct(ref qpath, field_pats, _) => { . // S { f1: p1, ..., fN: pN } . . let variant_index = self.variant_index_for_adt(qpath, pat.hir_id, pat.span)?; . -- line 1734 ---------------------------------------- -- line 1747 ---------------------------------------- . place_with_id.clone(), . field_ty, . ProjectionKind::Field(field_index, variant_index), . ); . self.cat_pattern(field_place, fp.pat, op)?; . } . } . 1 ( 0.00%) PatKind::Or(pats) => { . for pat in pats { 12 ( 0.00%) self.cat_pattern(place_with_id.clone(), pat, op)?; 654 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir_typeck/src/expr_use_visitor.rs:>::cat_pattern::<>::walk_pat::{closure#0}>'2 (3x) . } . } . . PatKind::Binding(.., Some(subpat)) | PatKind::Guard(subpat, _) => { . self.cat_pattern(place_with_id, subpat, op)?; . } . . PatKind::Ref(subpat, _, _) -- line 1765 ---------------------------------------- -- line 1823 ---------------------------------------- . | PatKind::Missing . | PatKind::Wild . | PatKind::Err(_) => { . // always ok . } . } . . Ok(()) 744 ( 0.00%) } . . /// Represents the place matched on by a deref pattern's interior. . fn pat_deref_place( . &self, . hir_id: HirId, . base_place: PlaceWithHirId<'tcx>, . inner: &hir::Pat<'_>, . target_ty: Ty<'tcx>, -- line 1839 ---------------------------------------- -- line 1852 ---------------------------------------- . } . } . } . . /// Checks whether a type has multiple variants, and therefore, whether a . /// read of the discriminant might be necessary. . #[instrument(skip(self, span), level = "debug")] . fn is_multivariant_adt(&self, ty: Ty<'tcx>, span: Span) -> bool { 34 ( 0.00%) if let ty::Adt(def, _) = self.cx.structurally_resolve_type(span, ty).kind() { . // We treat non-exhaustive enums the same independent of the crate they are . // defined in, to avoid differences in the operational semantics between crates. 34 ( 0.00%) def.variants().len() > 1 || def.is_variant_list_non_exhaustive() . } else { . false . } . } . } . . struct ExprPlaceDelegate; . -- line 1871 ---------------------------------------- 16,745 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_range_patterns.rs -------------------------------------------------------------------------------- Ir -- line 34 ---------------------------------------- . pub MANUAL_RANGE_PATTERNS, . complexity, . "manually writing range patterns using a combined OR pattern (`|`)" . } . . declare_lint_pass!(ManualRangePatterns => [MANUAL_RANGE_PATTERNS]); . . fn expr_as_i128(expr: &PatExpr<'_>) -> Option { 10 ( 0.00%) if let PatExprKind::Lit { lit, negated } = expr.kind . && let LitKind::Int(num, _) = lit.node . { . // Intentionally not handling numbers greater than i128::MAX (for u128 literals) for now. . let n = i128::try_from(num.get()).ok()?; . Some(if negated { -n } else { n }) . } else { . None . } -- line 50 ---------------------------------------- -- line 60 ---------------------------------------- . fn new(expr: &PatExpr<'_>) -> Option { . Some(Self { . val: expr_as_i128(expr)?, . span: expr.span, . }) . } . . fn dummy(val: i128) -> Self { 96 ( 0.00%) Self { val, span: DUMMY_SP } . } . . fn min(self, other: Self) -> Self { . if self.val < other.val { self } else { other } . } . } . . impl LateLintPass<'_> for ManualRangePatterns { 42,352 ( 0.00%) fn check_pat(&mut self, cx: &LateContext<'_>, pat: &'_ rustc_hir::Pat<'_>) { . // a pattern like 1 | 2 seems fine, lint if there are at least 3 alternatives . // or more then one range (exclude triggering on stylistic using OR with one element . // like described https://github.com/rust-lang/rust-clippy/issues/11825) 10,658 ( 0.00%) if let PatKind::Or(pats) = pat.kind 127 ( 0.00%) && (pats.len() >= 3 || (pats.len() > 1 && pats.iter().any(|p| matches!(p.kind, PatKind::Range(..))))) 64 ( 0.00%) && !pat.span.in_external_macro(cx.sess().source_map()) . { . let mut min = Num::dummy(i128::MAX); . let mut max = Num::dummy(i128::MIN); 16 ( 0.00%) let mut range_kind = RangeEnd::Included; . let mut numbers_found = FxHashSet::default(); . let mut ranges_found = Vec::new(); . . for pat in pats { 75 ( 0.00%) if let PatKind::Expr(lit) = pat.kind . && let Some(num) = Num::new(lit) . { . numbers_found.insert(num.val); . . min = min.min(num); . if num.val >= max.val { . max = num; . range_kind = RangeEnd::Included; -- line 100 ---------------------------------------- -- line 151 ---------------------------------------- . "try", . format!("{min}{range_kind}{max}"), . Applicability::MachineApplicable, . ); . } . }, . ); . } 42,352 ( 0.00%) } . } 131 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_retain.rs -------------------------------------------------------------------------------- Ir -- line 52 ---------------------------------------- . . impl ManualRetain { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for ManualRetain { 260,225 ( 0.00%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { 104,090 ( 0.00%) if let Assign(left_expr, collect_expr, _) = &expr.kind 136 ( 0.00%) && let hir::ExprKind::MethodCall(seg, target_expr, [], _) = &collect_expr.kind 8 ( 0.00%) && seg.args.is_none() 20 ( 0.00%) && let Some(collect_def_id) = cx.typeck_results().type_dependent_def_id(collect_expr.hir_id) 204 ( 0.00%) => ???:::type_dependent_def_id (4x) 24 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::iterator_collect_fn, collect_def_id) 380 ( 0.00%) => ???:::is_diagnostic_item (4x) . { 27 ( 0.00%) check_into_iter(cx, left_expr, target_expr, expr.span, self.msrv); 546 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_retain.rs:clippy_lints::manual_retain::check_into_iter (3x) 18 ( 0.00%) check_iter(cx, left_expr, target_expr, expr.span, self.msrv); 63 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_retain.rs:clippy_lints::manual_retain::check_iter (3x) 33 ( 0.00%) check_to_owned(cx, left_expr, target_expr, expr.span, self.msrv); 63 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/manual_retain.rs:clippy_lints::manual_retain::check_to_owned (3x) . } 312,252 ( 0.01%) } . } . 21 ( 0.00%) fn check_into_iter( . cx: &LateContext<'_>, . left_expr: &hir::Expr<'_>, . target_expr: &hir::Expr<'_>, . parent_expr_span: Span, . msrv: Msrv, . ) { 12 ( 0.00%) if let hir::ExprKind::MethodCall(_, into_iter_expr, [_], _) = &target_expr.kind 18 ( 0.00%) && let Some(filter_def_id) = cx.typeck_results().type_dependent_def_id(target_expr.hir_id) 153 ( 0.00%) => ???:::type_dependent_def_id (3x) 21 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::iter_filter, filter_def_id) 270 ( 0.00%) => ???:::is_diagnostic_item (3x) . && let hir::ExprKind::MethodCall(_, struct_expr, [], _) = &into_iter_expr.kind . && let Some(into_iter_def_id) = cx.typeck_results().type_dependent_def_id(into_iter_expr.hir_id) . && Some(into_iter_def_id) == cx.tcx.lang_items().into_iter_fn() . && match_acceptable_type(cx, left_expr, msrv) . && SpanlessEq::new(cx).eq_expr(parent_expr_span.ctxt(), left_expr, struct_expr) . && let hir::ExprKind::MethodCall(_, _, [closure_expr], _) = target_expr.kind . && let hir::ExprKind::Closure(closure) = closure_expr.kind . && let filter_body = cx.tcx.hir_body(closure.body) -- line 91 ---------------------------------------- -- line 107 ---------------------------------------- . format!( . "{}.retain({})", . snippet(cx, left_expr.span, ".."), . snippet(cx, closure_expr.span, "..") . ), . ); . } . } 24 ( 0.00%) } . 24 ( 0.00%) fn check_iter( . cx: &LateContext<'_>, . left_expr: &hir::Expr<'_>, . target_expr: &hir::Expr<'_>, . parent_expr_span: Span, . msrv: Msrv, . ) { 12 ( 0.00%) if let hir::ExprKind::MethodCall(_, filter_expr, [], _) = &target_expr.kind . && let Some(copied_def_id) = cx.typeck_results().type_dependent_def_id(target_expr.hir_id) . && let Some(copied_name) = cx.tcx.get_diagnostic_name(copied_def_id) . && matches!(copied_name, sym::iter_copied | sym::iter_cloned) . && let hir::ExprKind::MethodCall(_, iter_expr, [_], _) = &filter_expr.kind . && let Some(filter_def_id) = cx.typeck_results().type_dependent_def_id(filter_expr.hir_id) . && cx.tcx.is_diagnostic_item(sym::iter_filter, filter_def_id) . && let hir::ExprKind::MethodCall(_, struct_expr, [], _) = &iter_expr.kind . && let Some(iter_expr_def_id) = cx.typeck_results().type_dependent_def_id(iter_expr.hir_id) -- line 132 ---------------------------------------- -- line 165 ---------------------------------------- . snippet(cx, left_expr.span, ".."), . snippet(cx, pat.span, ".."), . snippet(cx, filter_body.value.span, "..") . ), . ), . _ => {}, . } . } 24 ( 0.00%) } . 24 ( 0.00%) fn check_to_owned( . cx: &LateContext<'_>, . left_expr: &hir::Expr<'_>, . target_expr: &hir::Expr<'_>, . parent_expr_span: Span, . msrv: Msrv, . ) { 12 ( 0.00%) if let hir::ExprKind::MethodCall(_, filter_expr, [], _) = &target_expr.kind . && let Some(to_owned_def_id) = cx.typeck_results().type_dependent_def_id(target_expr.hir_id) . && cx.tcx.is_diagnostic_item(sym::to_owned_method, to_owned_def_id) . && let hir::ExprKind::MethodCall(_, chars_expr, [_], _) = &filter_expr.kind . && let Some(filter_def_id) = cx.typeck_results().type_dependent_def_id(filter_expr.hir_id) . && cx.tcx.is_diagnostic_item(sym::iter_filter, filter_def_id) . && let hir::ExprKind::MethodCall(_, str_expr, [], _) = &chars_expr.kind . && let Some(chars_expr_def_id) = cx.typeck_results().type_dependent_def_id(chars_expr.hir_id) . && cx.tcx.is_diagnostic_item(sym::str_chars, chars_expr_def_id) -- line 190 ---------------------------------------- -- line 206 ---------------------------------------- . snippet(cx, left_expr.span, ".."), . snippet(cx, pat.span, ".."), . snippet(cx, filter_body.value.span, "..") . ), . ); . } . // Be conservative now. Do nothing for the `Binding` case. . // TODO: Ideally, we can rewrite the lambda by stripping one level of reference 24 ( 0.00%) } . . fn make_sugg( . cx: &LateContext<'_>, . key_pat: &rustc_hir::Pat<'_>, . value_pat: &rustc_hir::Pat<'_>, . left_expr: &hir::Expr<'_>, . filter_body: &hir::Body<'_>, . ) -> Option { -- line 222 ---------------------------------------- 23 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_data_structures/src/sync/lock.rs -------------------------------------------------------------------------------- Ir -- line 48 ---------------------------------------- . } . } . . impl<'a, T: 'a> Drop for LockGuard<'a, T> { . #[inline] . fn drop(&mut self) { . // SAFETY (union access): We get `self.mode` from the lock operation so it is consistent . // with the `lock.mode` state. This means we access the right union fields. 1,746,005 ( 0.03%) match self.mode { . Mode::NoSync => { . let cell = unsafe { &self.lock.mode_union.no_sync }; . debug_assert!(cell.get()); . cell.set(false); 73 ( 0.00%) } . // SAFETY (unlock): We know that the lock is locked as this type is a proof of that. . Mode::Sync => unsafe { self.lock.mode_union.sync.unlock() }, . } . } . } . . union ModeUnion { . /// Indicates if the cell is locked. Only used if `Lock.mode` is `NoSync`. -- line 69 ---------------------------------------- -- line 143 ---------------------------------------- . #[cold] . fn lock_held() -> ! { . panic!("lock was already held") . } . . // SAFETY: This is safe since the union fields are used in accordance with `mode` . // which also must match `self.mode` due to the safety precondition. . unsafe { 2,943,908 ( 0.05%) match mode { . Mode::NoSync => { 2,958,526 ( 0.05%) if self.mode_union.no_sync.replace(LOCKED) == LOCKED { . hint::cold_path(); . lock_held() . } . } . Mode::Sync => self.mode_union.sync.lock(), . } . } . LockGuard { lock: self, marker: PhantomData, mode } . } . . #[inline(always)] . #[track_caller] . pub fn lock(&self) -> LockGuard<'_, T> { 1,471,954 ( 0.03%) unsafe { self.lock_assume(self.mode) } . } . } . . unsafe impl DynSend for Lock {} . unsafe impl DynSync for Lock {} . . impl Lock { . #[inline(always)] -- line 175 ---------------------------------------- 1,471,990 ( 0.03%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/non_octal_unix_permissions.rs -------------------------------------------------------------------------------- Ir -- line 34 ---------------------------------------- . pub NON_OCTAL_UNIX_PERMISSIONS, . correctness, . "use of non-octal value to set unix file permissions, which will be translated into octal" . } . . declare_lint_pass!(NonOctalUnixPermissions => [NON_OCTAL_UNIX_PERMISSIONS]); . . impl<'tcx> LateLintPass<'tcx> for NonOctalUnixPermissions { 208,180 ( 0.00%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 241,267 ( 0.00%) match &expr.kind { 3,188 ( 0.00%) ExprKind::MethodCall(path, func, [param], _) => { 778 ( 0.00%) if let Some(adt) = cx.typeck_results().expr_ty(func).peel_refs().ty_adt_def() 15,644 ( 0.00%) => ???:::expr_ty (389x) 388 ( 0.00%) && matches!( 1,430 ( 0.00%) (cx.tcx.get_diagnostic_name(adt.did()), path.ident.name), 22,394 ( 0.00%) => ???:::get_diagnostic_name (388x) 532 ( 0.00%) (Some(sym::FsOpenOptions | sym::DirBuilder), sym::mode) . | (Some(sym::FsPermissions), sym::set_mode) . ) . && let ExprKind::Lit(_) = param.kind . && param.span.eq_ctxt(expr.span) . && param . .span . .check_text(cx, |src| !matches!(src.as_bytes(), [b'0', b'o' | b'b', ..])) . { . show_error(cx, param); . } . }, 18,958 ( 0.00%) ExprKind::Call(func, [param]) => { 14,420 ( 0.00%) if let ExprKind::Path(ref path) = func.kind 14,420 ( 0.00%) && let Some(def_id) = cx.qpath_res(path, func.hir_id).opt_def_id() 88,140 ( 0.00%) => ???:::qpath_res (3,605x) 17,990 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::permissions_from_mode, def_id) 175,241 ( 0.00%) => ???:::is_diagnostic_item (3,598x) . && let ExprKind::Lit(_) = param.kind . && param.span.eq_ctxt(expr.span) . && param . .span . .check_text(cx, |src| !matches!(src.as_bytes(), [b'0', b'o' | b'b', ..])) . { . show_error(cx, param); . } . }, . _ => {}, . } 260,225 ( 0.00%) } . } . . fn show_error(cx: &LateContext<'_>, param: &Expr<'_>) { . let mut applicability = Applicability::MachineApplicable; . span_lint_and_sugg( . cx, . NON_OCTAL_UNIX_PERMISSIONS, . param.span, -- line 83 ---------------------------------------- 10,815 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/lib.rs -------------------------------------------------------------------------------- Ir -- line 177 ---------------------------------------- . } . } . . #[inline] . pub fn with_session_globals(f: F) -> R . where . F: FnOnce(&SessionGlobals) -> R, . { 7,064,344 ( 0.13%) SESSION_GLOBALS.with(f) 3,530,888 ( 0.07%) => /rust/deps/scoped-tls-1.0.1/src/lib.rs:>::with::<::with::expn_data::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnData> (42,026x) 1,807,118 ( 0.03%) => /rust/deps/scoped-tls-1.0.1/src/lib.rs:>::with::<::with::outer_expn::{closure#0}>::{closure#0}, rustc_span::hygiene::ExpnId> (42,026x) . } . . /// Default edition, no source map. . pub fn create_default_session_globals_then(f: impl FnOnce() -> R) -> R { . create_session_globals_then(edition::DEFAULT_EDITION, &[], None, f) . } . . // If this ever becomes non thread-local, `decode_syntax_context` -- line 193 ---------------------------------------- -- line 228 ---------------------------------------- . } . } . . #[inline] . pub fn with_metavar_spans(f: impl FnOnce(&MetavarSpansMap) -> R) -> R { . with_session_globals(|session_globals| f(&session_globals.metavar_spans)) . } . 35 ( 0.00%) bitflags::bitflags! { . /// Scopes used to determined if it need to apply to `--remap-path-prefix` . #[derive(Debug, Eq, PartialEq, Clone, Copy, Ord, PartialOrd, Hash)] . pub struct RemapPathScopeComponents: u8 { . /// Apply remappings to the expansion of `std::file!()` macro . const MACRO = 1 << 0; . /// Apply remappings to printed compiler diagnostics . const DIAGNOSTICS = 1 << 1; . /// Apply remappings to debug information -- line 244 ---------------------------------------- -- line 387 ---------------------------------------- . /// Returns the path suitable for reading from the file system on the local host, . /// if this information exists. . /// . /// May not exists if the filename was imported from another crate. . /// . /// Avoid embedding this in build artifacts; prefer `path()` or `embeddable_name()`. . #[inline] . pub fn local_path(&self) -> Option<&Path> { 18 ( 0.00%) if self.was_not_remapped() { . Some(&self.maybe_remapped.name) . } else if let Some(local) = &self.local { . Some(&local.name) . } else { . None . } . } . -- line 403 ---------------------------------------- -- line 404 ---------------------------------------- . /// Returns the path suitable for reading from the file system on the local host, . /// if this information exists. . /// . /// May not exists if the filename was imported from another crate. . /// . /// Avoid embedding this in build artifacts; prefer `path()` or `embeddable_name()`. . #[inline] . pub fn into_local_path(self) -> Option { 17 ( 0.00%) if self.was_not_remapped() { 34 ( 0.00%) Some(self.maybe_remapped.name) . } else if let Some(local) = self.local { . Some(local.name) . } else { . None . } 68 ( 0.00%) } . . /// Returns whenever the filename was remapped. . #[inline] . pub(crate) fn was_remapped(&self) -> bool { . !self.scopes.is_empty() . } . . /// Returns whenever the filename was fully remapped. -- line 427 ---------------------------------------- -- line 702 ---------------------------------------- . Span::new(self.lo, self.hi, self.ctxt, self.parent) . } . #[inline] . pub fn with_lo(&self, lo: BytePos) -> Span { . Span::new(lo, self.hi, self.ctxt, self.parent) . } . #[inline] . pub fn with_hi(&self, hi: BytePos) -> Span { 660 ( 0.00%) Span::new(self.lo, hi, self.ctxt, self.parent) 621 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::new (23x) . } . /// Avoid if possible, `Span::map_ctxt` should be preferred. . #[inline] . fn with_ctxt(&self, ctxt: SyntaxContext) -> Span { . Span::new(self.lo, self.hi, ctxt, self.parent) . } . /// Avoid if possible, `Span::with_parent` should be preferred. . #[inline] -- line 718 ---------------------------------------- -- line 745 ---------------------------------------- . fn cmp(&self, rhs: &Self) -> Ordering { . Ord::cmp(&self.data(), &rhs.data()) . } . } . . impl Span { . #[inline] . pub fn lo(self) -> BytePos { 2,281 ( 0.00%) self.data().lo 105 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::data (5x) . } . #[inline] . pub fn with_lo(self, lo: BytePos) -> Span { . self.data().with_lo(lo) . } . #[inline] . pub fn hi(self) -> BytePos { 2,801 ( 0.00%) self.data().hi 2,709 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::data (129x) . } . #[inline] . pub fn with_hi(self, hi: BytePos) -> Span { 132 ( 0.00%) self.data().with_hi(hi) 483 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_span/src/span_encoding.rs:::data (23x) . } . #[inline] . pub fn with_ctxt(self, ctxt: SyntaxContext) -> Span { . self.map_ctxt(|_| ctxt) . } . . #[inline] . pub fn is_visible(self, sm: &SourceMap) -> bool { -- line 773 ---------------------------------------- -- line 774 ---------------------------------------- . !self.is_dummy() && sm.is_span_accessible(self) . } . . /// Returns whether this span originates in a foreign crate's external macro. . /// . /// This is used to test whether a lint should not even begin to figure out whether it should . /// be reported on the current node. . #[inline] 1,902 ( 0.00%) pub fn in_external_macro(self, sm: &SourceMap) -> bool { 397,027 ( 0.01%) self.ctxt().in_external_macro(sm) 303 ( 0.00%) => ???:::in_external_macro (3x) . } . . /// Returns `true` if `span` originates in a derive-macro's expansion. . pub fn in_derive_expansion(self) -> bool { . matches!(self.ctxt().outer_expn_data().kind, ExpnKind::Macro(MacroKind::Derive, _)) . } . . /// Return whether `span` is generated by `async` or `await`. -- line 791 ---------------------------------------- -- line 1693 ---------------------------------------- . /// No attempt has been made to load the external source. . AbsentOk, . /// A failed attempt has been made to load the external source. . AbsentErr, . } . . impl ExternalSource { . pub fn get_source(&self) -> Option<&str> { 12 ( 0.00%) match self { . ExternalSource::Foreign { kind: ExternalSourceKind::Present(src), .. } => Some(src), . _ => None, . } . } . } . . #[derive(Debug)] . pub struct OffsetOverflowError; -- line 1709 ---------------------------------------- -- line 2364 ---------------------------------------- . } . . pub fn count_lines(&self) -> usize { . self.lines().len() . } . . #[inline] . pub fn absolute_position(&self, pos: RelativeBytePos) -> BytePos { 16 ( 0.00%) BytePos::from_u32(pos.to_u32() + self.start_pos.to_u32()) . } . . #[inline] . pub fn relative_position(&self, pos: BytePos) -> RelativeBytePos { 120 ( 0.00%) RelativeBytePos::from_u32(pos.to_u32() - self.start_pos.to_u32()) . } . . #[inline] . pub fn end_position(&self) -> BytePos { . self.absolute_position(self.normalized_source_len) . } . . /// Finds the line containing the given position. The return value is the -- line 2385 ---------------------------------------- -- line 2649 ---------------------------------------- . impl Pos for $ident { . #[inline(always)] . fn from_usize(n: usize) -> $ident { . $ident(n as $inner_ty) . } . . #[inline(always)] . fn to_usize(&self) -> usize { 2,708 ( 0.00%) self.0 as usize . } . . #[inline(always)] . fn from_u32(n: u32) -> $ident { . $ident(n as $inner_ty) . } . . #[inline(always)] . fn to_u32(&self) -> u32 { 16 ( 0.00%) self.0 as u32 . } . } . . impl Add for $ident { . type Output = $ident; . . #[inline(always)] . fn add(self, rhs: $ident) -> $ident { -- line 2675 ---------------------------------------- -- line 2677 ---------------------------------------- . } . } . . impl Sub for $ident { . type Output = $ident; . . #[inline(always)] . fn sub(self, rhs: $ident) -> $ident { 1,824 ( 0.00%) $ident(self.0 - rhs.0) . } . } . )* . }; . } . . impl_pos! { . /// A byte offset. . /// . /// Keep this small (currently 32-bits), as AST contains a lot of them. 2,288 ( 0.00%) #[derive(Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord, Debug)] . pub struct BytePos(pub u32); . . /// A byte offset relative to file beginning. . #[derive(Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord, Debug, StableHash)] . pub struct RelativeBytePos(pub u32); . . /// A character offset. . /// -- line 2704 ---------------------------------------- 212,978 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/misc_early/unneeded_field_pattern.rs -------------------------------------------------------------------------------- Ir . use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; . use clippy_utils::source::SpanExt as _; . use itertools::Itertools as _; . use rustc_ast::ast::{Pat, PatKind}; . use rustc_lint::{EarlyContext, LintContext as _}; . . use super::UNNEEDED_FIELD_PATTERN; . 38,336 ( 0.00%) pub(super) fn check(cx: &EarlyContext<'_>, pat: &Pat) { 9,584 ( 0.00%) if let PatKind::Struct(_, ref npat, ref pfields, _) = pat.kind { . let mut wilds = 0; 50 ( 0.00%) let type_name = npat . .segments . .last() . .expect("A path must have at least one segment") . .ident . .name; . 80 ( 0.00%) for field in pfields { 145 ( 0.00%) if let PatKind::Wild = field.pat.kind { . wilds += 1; . } . } 20 ( 0.00%) if !pfields.is_empty() && wilds == pfields.len() { . if !pat.span.in_external_macro(cx.sess().source_map()) { . #[expect(clippy::collapsible_span_lint_calls, reason = "rust-clippy#7797")] . span_lint_and_then( . cx, . UNNEEDED_FIELD_PATTERN, . pat.span, . "all the struct fields are matched to a wildcard pattern, consider using `..`", . |diag| { . diag.help(format!("try with `{type_name} {{ .. }}` instead")); . }, . ); . } . return; . } 40 ( 0.00%) if wilds > 0 { . for field in pfields { . if let PatKind::Wild = field.pat.kind . && !field.span.in_external_macro(cx.sess().source_map()) . { . wilds -= 1; . if wilds > 0 { . span_lint( . cx, -- line 47 ---------------------------------------- -- line 69 ---------------------------------------- . )); . }, . ); . } . } . } . } . } 38,336 ( 0.00%) } 25 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/const_ptr.rs -------------------------------------------------------------------------------- Ir -- line 30 ---------------------------------------- . match (ptr).guaranteed_eq(null_mut()) { . Some(res) => res, . // To remain maximally conservative, we stop execution when we don't . // know whether the pointer is null or not. . // We can *not* return `false` here, that would be unsound in `NonNull::new`! . None => panic!("null-ness of this pointer cannot be determined in const context"), . } . } else { 3,007,310 ( 0.06%) ptr.addr() == 0 . } . ) . } . . /// Casts to a pointer of another type. . #[stable(feature = "ptr_cast", since = "1.38.0")] . #[rustc_const_stable(feature = "const_ptr_cast", since = "1.38.0")] . #[rustc_diagnostic_item = "const_ptr_cast"] -- line 46 ---------------------------------------- -- line 262 ---------------------------------------- . /// [`as_uninit_ref`]: #method.as_uninit_ref . /// [`as_ref_unchecked`]: #method.as_ref_unchecked . #[stable(feature = "ptr_as_ref", since = "1.9.0")] . #[rustc_const_stable(feature = "const_ptr_is_null", since = "1.84.0")] . #[inline] . pub const unsafe fn as_ref<'a>(self) -> Option<&'a T> { . // SAFETY: the caller must guarantee that `self` is valid . // for a reference if it isn't null. 1,481,547 ( 0.03%) if self.is_null() { None } else { unsafe { Some(&*self) } } . } . . /// Returns a shared reference to the value behind the pointer. . /// If the pointer may be null or the value may be uninitialized, [`as_uninit_ref`] must be used instead. . /// If the pointer may be null, but the value is known to have been initialized, [`as_ref`] must be used instead. . /// . /// [`as_ref`]: #method.as_ref . /// [`as_uninit_ref`]: #method.as_uninit_ref -- line 278 ---------------------------------------- -- line 381 ---------------------------------------- . ( . this: *const () = self as *const (), . count: isize = count, . size: usize = size_of::(), . ) => runtime_offset_nowrap(this, count, size) . ); . . // SAFETY: the caller must uphold the safety contract for `offset`. 206 ( 0.00%) unsafe { intrinsics::offset(self, count) } . } . . /// Adds a signed offset in bytes to a pointer. . /// . /// `count` is in units of **bytes**. . /// . /// This is purely a convenience for casting to a `u8` pointer and . /// using [offset][pointer::offset] on it. See that method for documentation -- line 397 ---------------------------------------- -- line 615 ---------------------------------------- . #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces . pub const unsafe fn offset_from(self, origin: *const T) -> isize . where . T: Sized, . { . let pointee_size = size_of::(); . assert!(0 < pointee_size && pointee_size <= isize::MAX as usize); . // SAFETY: the caller must uphold the safety contract for `ptr_offset_from`. 3,111 ( 0.00%) unsafe { intrinsics::ptr_offset_from(self, origin) } . } . . /// Calculates the distance between two pointers within the same allocation. The returned value is in . /// units of **bytes**. . /// . /// This is purely a convenience for casting to a `u8` pointer and . /// using [`offset_from`][pointer::offset_from] on it. See that method for . /// documentation and safety requirements. -- line 631 ---------------------------------------- -- line 725 ---------------------------------------- . this: *const () = self as *const (), . origin: *const () = origin as *const (), . ) => runtime_ptr_ge(this, origin) . ); . . let pointee_size = size_of::(); . assert!(0 < pointee_size && pointee_size <= isize::MAX as usize); . // SAFETY: the caller must uphold the safety contract for `ptr_offset_from_unsigned`. 17,053 ( 0.00%) unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } . } . . /// Calculates the distance between two pointers within the same allocation, *where it's known that . /// `self` is equal to or greater than `origin`*. The returned value is in . /// units of **bytes**. . /// . /// This is purely a convenience for casting to a `u8` pointer and . /// using [`offset_from_unsigned`][pointer::offset_from_unsigned] on it. -- line 741 ---------------------------------------- -- line 863 ---------------------------------------- . ( . this: *const () = self as *const (), . count: usize = count, . size: usize = size_of::(), . ) => runtime_add_nowrap(this, count, size) . ); . . // SAFETY: the caller must uphold the safety contract for `offset`. 88,414 ( 0.00%) unsafe { intrinsics::offset(self, count) } . } . . /// Adds an unsigned offset in bytes to a pointer. . /// . /// `count` is in units of bytes. . /// . /// This is purely a convenience for casting to a `u8` pointer and . /// using [add][pointer::add] on it. See that method for documentation -- line 879 ---------------------------------------- -- line 1590 ---------------------------------------- . #[diagnostic::on_const( . message = "pointers cannot be reliably compared during const eval", . note = "see issue #53020 for more information" . )] . impl PartialEq for *const T { . #[inline] . #[allow(ambiguous_wide_pointer_comparisons)] . fn eq(&self, other: &*const T) -> bool { 71,348 ( 0.00%) *self == *other . } . } . . /// Pointer equality is an equivalence relation. . #[stable(feature = "rust1", since = "1.0.0")] . #[diagnostic::on_const( . message = "pointers cannot be reliably compared during const eval", . note = "see issue #53020 for more information" -- line 1606 ---------------------------------------- 13,286 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/from_str_radix_10.rs -------------------------------------------------------------------------------- Ir -- line 38 ---------------------------------------- . pub FROM_STR_RADIX_10, . style, . "from_str_radix with radix 10" . } . . declare_lint_pass!(FromStrRadix10 => [FROM_STR_RADIX_10]); . . impl<'tcx> LateLintPass<'tcx> for FromStrRadix10 { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, exp: &Expr<'tcx>) { 123,048 ( 0.00%) if let ExprKind::Call(maybe_path, [src, radix]) = &exp.kind 19,425 ( 0.00%) && let ExprKind::Path(QPath::TypeRelative(ty, pathseg)) = &maybe_path.kind . . // check if the second argument is a primitive `10` . && is_integer_literal(radix, 10) . . // check if the second part of the path indeed calls the associated . // function `from_str_radix` . && pathseg.ident.name == sym::from_str_radix . -- line 56 ---------------------------------------- -- line 79 ---------------------------------------- . FROM_STR_RADIX_10, . exp.span, . "this call to `from_str_radix` can be replaced with a call to `str::parse`", . "try", . format!("{sugg}.parse::<{}>()", prim_ty.name_str()), . Applicability::MaybeIncorrect, . ); . } 416,360 ( 0.01%) } . } . . /// Checks if a Ty is `String` or `&str` . fn is_ty_stringish(cx: &LateContext<'_>, ty: Ty<'_>) -> bool { . ty.is_lang_item(cx, LangItem::String) || ty.peel_refs().is_str() . } 135 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/block_scrutinee.rs -------------------------------------------------------------------------------- Ir -- line 27 ---------------------------------------- . pub BLOCK_SCRUTINEE, . suspicious, . "warns when the scrutinee is wrapped in a block in older editions" . } . . declare_lint_pass!(BlockScrutinee => [BLOCK_SCRUTINEE]); . . impl<'tcx> LateLintPass<'tcx> for BlockScrutinee { 260,225 ( 0.00%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 156,135 ( 0.00%) if cx.tcx.sess.edition() >= Edition::Edition2024 { . return; . } . 260,439 ( 0.00%) let (scrutinee, keyword_fallback) = match expr.kind { 1,302 ( 0.00%) ExprKind::Match(scrutinee, _, _) => (scrutinee, "`match`"), 214 ( 0.00%) ExprKind::Let(let_expr) => (let_expr.init, "`if let` / `while let`"), . _ => return, . }; . 1,638 ( 0.00%) if scrutinee.span.from_expansion() || expr.span.from_expansion() { . return; . } . 554 ( 0.00%) if let ExprKind::Block(block, _) = scrutinee.kind . && matches!(block.rules, BlockCheckMode::DefaultBlock) . && block.stmts.is_empty() . && let Some(inner_expr) = block.expr . { . let inner_snippet = snippet(cx, inner_expr.span, ".."); . . let main_msg = "this scrutinee is wrapped in a block"; . -- line 58 ---------------------------------------- -- line 102 ---------------------------------------- . vec![ . (outer_span.shrink_to_lo(), format!("let res = {inner_snippet};\n{pad}")), . (scrutinee.span, "res".to_string()), . ], . Applicability::MaybeIncorrect, . ); . }); . } 260,225 ( 0.00%) } . } 862 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs -------------------------------------------------------------------------------- Ir -- line 12 ---------------------------------------- . Block, Closure, Destination, Expr, ExprKind, HirId, InlineAsm, InlineAsmOperand, Node, Pat, Stmt, StmtKind, . StructTailExpr, . }; . use rustc_lint::LateContext; . use rustc_span::{BytePos, Span}; . use std::iter::once; . use std::ops::ControlFlow; . 690 ( 0.00%) pub(super) fn check<'tcx>( . cx: &LateContext<'tcx>, . block: &Block<'tcx>, . loop_id: HirId, . span: Span, . for_loop: Option<&ForLoop<'_>>, . ) { 414 ( 0.00%) match never_loop_block(cx, block, &mut Vec::new(), loop_id) { 214,040 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_block (69x) . NeverLoopResult::Diverging { . break_spans, . never_spans, . non_obvious_exprs, . } => { . span_lint_and_then(cx, NEVER_LOOP, span, "this loop never actually loops", |diag| { . if let Some(ForLoop { . arg: iterator, -- line 35 ---------------------------------------- -- line 78 ---------------------------------------- . . for span in non_obvious_spans { . diag.span_note(span, "this expression never returns"); . } . }); . }, . NeverLoopResult::MayContinueMainLoop | NeverLoopResult::Normal => (), . } 345 ( 0.00%) } . 99 ( 0.00%) pub(super) fn check_iterator_reduction<'tcx>( . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'tcx>, . recv: &'tcx Expr<'tcx>, . closure: &'tcx Closure<'tcx>, . ) { 44 ( 0.00%) let closure_body = cx.tcx.hir_body(closure.body).value; 847 ( 0.00%) => ???:::hir_body (11x) 22 ( 0.00%) let body_ty = cx.typeck_results().expr_ty(closure_body); 440 ( 0.00%) => ???:::expr_ty (11x) 11 ( 0.00%) if body_ty.is_never() && !contains_return(closure_body) { . span_lint_and_then( . cx, . NEVER_LOOP, . expr.span, . "this iterator reduction never loops (closure always diverges)", . |diag| { . let mut app = Applicability::HasPlaceholders; . let recv_snip = snippet_with_context(cx, recv.span, expr.span.ctxt(), "", &mut app).0; . diag.note("if you only need one element, `if let Some(x) = iter.next()` is clearer"); . let sugg = format!("if let Some(x) = {recv_snip}.next() {{ ... }}"); . diag.span_suggestion_verbose(expr.span, "consider this pattern", sugg, app); . }, . ); . } 66 ( 0.00%) } . . fn contains_any_break_or_continue(block: &Block<'_>) -> bool { . for_each_expr_without_closures(block, |e| match e.kind { . ExprKind::Break(..) | ExprKind::Continue(..) => ControlFlow::Break(()), . ExprKind::InlineAsm(asm) if contains_label(asm) => ControlFlow::Break(()), . ExprKind::Loop(..) => ControlFlow::Continue(Descend::No), . _ => ControlFlow::Continue(Descend::Yes), . }) -- line 119 ---------------------------------------- -- line 131 ---------------------------------------- . /// * Has any (reachable) code path hit a `continue` of the main loop? . /// * Is the current code path diverging (that is, the next expression is not reachable) . /// * For each block label `'a` inside the main loop, has any (reachable) code path encountered a . /// `break 'a`? . /// . /// The first two bits of information are in this enum, and the last part is in the . /// `local_labels` variable, which contains a list of `(block_id, reachable)` pairs ordered by . /// scope. 3,278 ( 0.00%) #[derive(Clone, Debug)] . enum NeverLoopResult { . /// A continue may occur for the main loop. . MayContinueMainLoop, . /// We have not encountered any main loop continue, . /// but we are diverging (subsequent control flow is not reachable) . Diverging { . break_spans: Vec, . never_spans: Vec, -- line 147 ---------------------------------------- -- line 149 ---------------------------------------- . }, . /// We have not encountered any main loop continue, . /// and subsequent control flow is (possibly) reachable . Normal, . } . . #[must_use] . fn absorb_break(arg: &NeverLoopResult) -> NeverLoopResult { 30 ( 0.00%) match arg { . NeverLoopResult::Diverging { .. } | NeverLoopResult::Normal => NeverLoopResult::Normal, . NeverLoopResult::MayContinueMainLoop => NeverLoopResult::MayContinueMainLoop, . } . } . . // Combine two results for parts that are called in order. . #[must_use] . fn combine_seq(first: NeverLoopResult, second: impl FnOnce() -> NeverLoopResult) -> NeverLoopResult { 2,907 ( 0.00%) match first { 580 ( 0.00%) NeverLoopResult::Diverging { .. } | NeverLoopResult::MayContinueMainLoop => first, 121 ( 0.00%) NeverLoopResult::Normal => second(), 110,841 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr::{closure#2} (31x) 33,202 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr::{closure#3} (9x) . } 11 ( 0.00%) } 66 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (11x) . . // Combine an iterator of results for parts that are called in order. . #[must_use] . fn combine_seq_many(iter: impl IntoIterator) -> NeverLoopResult { 1,616 ( 0.00%) for e in iter { 2,529 ( 0.00%) if let NeverLoopResult::Diverging { .. } | NeverLoopResult::MayContinueMainLoop = e { 432 ( 0.00%) return e; . } 25 ( 0.00%) } 150 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (25x) 1,018 ( 0.00%) NeverLoopResult::Normal . } . . // Combine two results where only one of the part may have been executed. . #[must_use] 1,280 ( 0.00%) fn combine_branches(b1: NeverLoopResult, b2: NeverLoopResult) -> NeverLoopResult { 4,530 ( 0.00%) match (b1, b2) { . (NeverLoopResult::MayContinueMainLoop, _) | (_, NeverLoopResult::MayContinueMainLoop) => { . NeverLoopResult::MayContinueMainLoop . }, . (NeverLoopResult::Normal, _) | (_, NeverLoopResult::Normal) => NeverLoopResult::Normal, . ( . NeverLoopResult::Diverging { 60 ( 0.00%) break_spans: mut break_spans1, 60 ( 0.00%) never_spans: mut never_spans1, 60 ( 0.00%) non_obvious_exprs: mut non_obvious_exprs1, . }, . NeverLoopResult::Diverging { 15 ( 0.00%) break_spans: mut break_spans2, 15 ( 0.00%) never_spans: mut never_spans2, 15 ( 0.00%) non_obvious_exprs: mut non_obvious_exprs2, . }, . ) => { . break_spans1.append(&mut break_spans2); . never_spans1.append(&mut never_spans2); . non_obvious_exprs1.append(&mut non_obvious_exprs2); . NeverLoopResult::Diverging { 60 ( 0.00%) break_spans: break_spans1, 60 ( 0.00%) never_spans: never_spans1, 60 ( 0.00%) non_obvious_exprs: non_obvious_exprs1, . } . }, 565 ( 0.00%) } 1,024 ( 0.00%) } . 2,769 ( 0.00%) fn never_loop_block<'tcx>( . cx: &LateContext<'tcx>, . block: &Block<'tcx>, . local_labels: &mut Vec<(HirId, bool)>, . main_loop_id: HirId, . ) -> NeverLoopResult { 426 ( 0.00%) let iter = block . .stmts . .iter() . .filter_map(stmt_to_expr) 1,704 ( 0.00%) .chain(block.expr.map(|expr| (expr, None))); . combine_seq_many(iter.map(|(e, els)| { 1,560 ( 0.00%) let e = never_loop_expr(cx, e, local_labels, main_loop_id); 205,517 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr (83x) . // els is an else block in a let...else binding 1,300 ( 0.00%) els.map_or(e.clone(), |els| { . combine_seq(e, || match never_loop_block(cx, els, local_labels, main_loop_id) { . // Returning MayContinueMainLoop here means that . // we will not evaluate the rest of the body . NeverLoopResult::MayContinueMainLoop => NeverLoopResult::MayContinueMainLoop, . // An else block always diverges, so the Normal case should not happen, . // but the analysis is approximate so it might return Normal anyway. . // Returning Normal here says that nothing more happens on the main path . NeverLoopResult::Diverging { .. } | NeverLoopResult::Normal => NeverLoopResult::Normal, . }) . }) . })) 1,704 ( 0.00%) } . . fn stmt_to_expr<'tcx>(stmt: &Stmt<'tcx>) -> Option<(&'tcx Expr<'tcx>, Option<&'tcx Block<'tcx>>)> { 782 ( 0.00%) match stmt.kind { . StmtKind::Semi(e) | StmtKind::Expr(e) => Some((e, None)), . // add the let...else expression (if present) 78 ( 0.00%) StmtKind::Let(local) => local.init.map(|init| (init, local.els)), . StmtKind::Item(..) => None, . } . } . 49 ( 0.00%) fn stmt_source_span(stmt: &Stmt<'_>) -> Span { 49 ( 0.00%) let call_span = stmt.span.source_callsite(); 652 ( 0.00%) => ???:::source_callsite (7x) . // if it is a macro call, the span will be missing the trailing semicolon 7 ( 0.00%) if stmt.span == call_span { . return call_span; . } . . // An expression without a trailing semi-colon (must have unit type). . if let StmtKind::Expr(..) = stmt.kind { . return call_span; . } . . call_span.with_hi(call_span.hi() + BytePos(1)) 91 ( 0.00%) } . . /// Returns a Vec of all the individual spans after the highlighted expression in a block 153 ( 0.00%) fn all_spans_after_expr(cx: &LateContext<'_>, expr: &Expr<'_>) -> Vec { 143 ( 0.00%) if let Node::Stmt(stmt) = cx.tcx.parent_hir_node(expr.hir_id) { 1,496 ( 0.00%) => ???:::parent_hir_node (17x) 56 ( 0.00%) if let Node::Block(block) = cx.tcx.parent_hir_node(stmt.hir_id) { 616 ( 0.00%) => ???:::parent_hir_node (7x) 14 ( 0.00%) return block . .stmts . .iter() . .skip_while(|inner| inner.hir_id != stmt.hir_id) . .map(stmt_source_span) 7 ( 0.00%) .chain(block.expr.map(|e| e.span)) . .collect(); . } . . return vec![stmt.span]; 60 ( 0.00%) } else if let Node::Block(_) = cx.tcx.parent_hir_node(expr.hir_id) { 880 ( 0.00%) => ???:::parent_hir_node (10x) . return vec![expr.span]; . } . 10 ( 0.00%) vec![] 119 ( 0.00%) } . . fn is_label_for_block(cx: &LateContext<'_>, dest: &Destination) -> bool { . dest.target_id 51 ( 0.00%) .is_ok_and(|hir_id| matches!(cx.tcx.hir_node(hir_id), Node::Block(_))) 884 ( 0.00%) => ???:::hir_node (17x) . } . . #[expect(clippy::too_many_lines)] 19,710 ( 0.00%) fn never_loop_expr<'tcx>( . cx: &LateContext<'tcx>, . expr: &'tcx Expr<'tcx>, . local_labels: &mut Vec<(HirId, bool)>, . main_loop_id: HirId, . ) -> NeverLoopResult { 6,570 ( 0.00%) let result = match expr.kind { . ExprKind::Unary(_, e) . | ExprKind::Cast(e, _) . | ExprKind::Type(e, _) . | ExprKind::Field(e, _) . | ExprKind::AddrOf(_, _, e) . | ExprKind::Repeat(e, _) . | ExprKind::DropTemps(e) . | ExprKind::UnsafeBinderCast(_, e, _) => never_loop_expr(cx, e, local_labels, main_loop_id), 30 ( 0.00%) ExprKind::Let(let_expr) => never_loop_expr(cx, let_expr.init, local_labels, main_loop_id), 25 ( 0.00%) ExprKind::Array(es) | ExprKind::Tup(es) => never_loop_expr_all(cx, es.iter(), local_labels, main_loop_id), . ExprKind::Use(expr, _) => never_loop_expr(cx, expr, local_labels, main_loop_id), 411 ( 0.00%) ExprKind::MethodCall(_, receiver, es, _) => { . never_loop_expr_all(cx, once(receiver).chain(es.iter()), local_labels, main_loop_id) . }, 3 ( 0.00%) ExprKind::Struct(_, fields, base) => { . let fields = never_loop_expr_all(cx, fields.iter().map(|f| f.expr), local_labels, main_loop_id); 4 ( 0.00%) if let StructTailExpr::Base(base) = base { . combine_seq(fields, || never_loop_expr(cx, base, local_labels, main_loop_id)) . } else { 11 ( 0.00%) fields . } . }, 342 ( 0.00%) ExprKind::Call(e, es) => never_loop_expr_all(cx, once(e).chain(es.iter()), local_labels, main_loop_id), 88 ( 0.00%) ExprKind::Binary(op, e1, _) if matches!(op.node, BinOpKind::And | BinOpKind::Or) => { . never_loop_expr(cx, e1, local_labels, main_loop_id) . }, . ExprKind::Binary(_, e1, e2) . | ExprKind::Assign(e1, e2, _) . | ExprKind::AssignOp(_, e1, e2) . | ExprKind::Index(e1, e2, _) => never_loop_expr_all(cx, [e1, e2].iter().copied(), local_labels, main_loop_id), 10 ( 0.00%) ExprKind::Loop(b, _, _, _) => { . // We don't attempt to track reachability after a loop, . // just assume there may have been a break somewhere 40 ( 0.00%) absorb_break(&never_loop_block(cx, b, local_labels, main_loop_id)) 43,425 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_block'2 (10x) . }, 245 ( 0.00%) ExprKind::If(e, e2, e3) => { 245 ( 0.00%) let e1 = never_loop_expr(cx, e, local_labels, main_loop_id); 14,195 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr'2 (31x) 784 ( 0.00%) combine_seq(e1, || { 490 ( 0.00%) let e2 = never_loop_expr(cx, e2, local_labels, main_loop_id); 104,485 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr'2 (36x) 147 ( 0.00%) let e3 = e3.as_ref().map_or(NeverLoopResult::Normal, |e| { 49 ( 0.00%) never_loop_expr(cx, e, local_labels, main_loop_id) 10,179 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr'2 (6x) . }); 98 ( 0.00%) combine_branches(e2, e3) 2,447 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::combine_branches (36x) 343 ( 0.00%) }) . }, 72 ( 0.00%) ExprKind::Match(e, arms, _) => { 180 ( 0.00%) let e = never_loop_expr(cx, e, local_labels, main_loop_id); 3,198 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr'2 (9x) 432 ( 0.00%) combine_seq(e, || { 36 ( 0.00%) arms.iter().fold( . NeverLoopResult::Diverging { . break_spans: vec![], . never_spans: vec![], . non_obvious_exprs: vec![], . }, 1,458 ( 0.00%) |a, b| combine_branches(a, never_loop_expr(cx, b.body, local_labels, main_loop_id)), 76,270 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr'2 (53x) 3,608 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::combine_branches (53x) . ) 288 ( 0.00%) }) . }, 134 ( 0.00%) ExprKind::Block(b, _) => { 268 ( 0.00%) if b.targeted_by_break { . local_labels.push((b.hir_id, false)); . } 804 ( 0.00%) let ret = never_loop_block(cx, b, local_labels, main_loop_id); 268,395 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_block'2 (134x) 268 ( 0.00%) let jumped_to = b.targeted_by_break && local_labels.pop().unwrap().1; . match ret { . NeverLoopResult::Diverging { .. } if jumped_to => NeverLoopResult::Normal, . _ => ret, . } . }, 15 ( 0.00%) ExprKind::Continue(d) => { . let id = d . .target_id . .expect("target ID can only be missing in the presence of compilation errors"); 5 ( 0.00%) if id == main_loop_id { 10 ( 0.00%) NeverLoopResult::MayContinueMainLoop . } else { . NeverLoopResult::Diverging { . break_spans: all_spans_after_expr(cx, expr), . never_spans: vec![], . non_obvious_exprs: vec![], . } . } . }, 11 ( 0.00%) ExprKind::Ret(e) => { 11 ( 0.00%) let first = e.as_ref().map_or(NeverLoopResult::Normal, |e| { 24 ( 0.00%) never_loop_expr(cx, e, local_labels, main_loop_id) 2,312 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr'2 (6x) . }); . combine_seq(first, || { . // checks if break targets a block instead of a loop . mark_block_as_reachable(expr, local_labels); 99 ( 0.00%) NeverLoopResult::Diverging { . break_spans: vec![], . never_spans: vec![], . non_obvious_exprs: vec![], . } . }) . }, 51 ( 0.00%) ExprKind::Break(dest, e) => { 17 ( 0.00%) let first = e.as_ref().map_or(NeverLoopResult::Normal, |e| { . never_loop_expr(cx, e, local_labels, main_loop_id) . }); . combine_seq(first, || { . // checks if break targets a block instead of a loop . mark_block_as_reachable(expr, local_labels); 221 ( 0.00%) NeverLoopResult::Diverging { 17 ( 0.00%) break_spans: if is_label_for_block(cx, &dest) { . vec![] . } else { 68 ( 0.00%) all_spans_after_expr(cx, expr) 5,478 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::all_spans_after_expr (17x) . }, . never_spans: vec![], . non_obvious_exprs: vec![], . } . }) . }, . ExprKind::Become(e) => combine_seq(never_loop_expr(cx, e, local_labels, main_loop_id), || { . NeverLoopResult::Diverging { -- line 417 ---------------------------------------- -- line 447 ---------------------------------------- . }, . })), . ExprKind::OffsetOf(_, _) . | ExprKind::Yield(_, _) . | ExprKind::Closure { .. } . | ExprKind::Path(_) . | ExprKind::ConstBlock(_) . | ExprKind::Lit(_) 505 ( 0.00%) | ExprKind::Err(_) => NeverLoopResult::Normal, . }; . 2,570 ( 0.00%) let result = combine_seq(result, || { 3,768 ( 0.00%) if cx.typeck_results().expr_ty(expr).is_never() { 3,148 ( 0.00%) => ???:::expr_ty (78x) . NeverLoopResult::Diverging { . break_spans: vec![], . never_spans: all_spans_after_expr(cx, expr), . non_obvious_exprs: vec![expr.hir_id], . } . } else { 2,512 ( 0.00%) NeverLoopResult::Normal . } . }); 3,942 ( 0.00%) if let NeverLoopResult::Diverging { .. } = result . && let Some(macro_call) = root_macro_call_first_node(cx, expr) . && let Some(sym::todo_macro) = cx.tcx.get_diagnostic_name(macro_call.def_id) . { . // We return MayContinueMainLoop here because we treat `todo!()` . // as potentially containing any code, including a continue of the main loop. . // This effectively silences the lint whenever a loop contains this macro anywhere. . NeverLoopResult::MayContinueMainLoop . } else { 13,140 ( 0.00%) result . } 10,512 ( 0.00%) } . . fn never_loop_expr_all<'tcx, T: Iterator>>( . cx: &LateContext<'tcx>, . es: T, . local_labels: &mut Vec<(HirId, bool)>, . main_loop_id: HirId, . ) -> NeverLoopResult { 3,607 ( 0.00%) combine_seq_many(es.map(|e| never_loop_expr(cx, e, local_labels, main_loop_id))) 12,884 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/loops/never_loop.rs:clippy_lints::loops::never_loop::never_loop_expr'2 (77x) . } . . fn for_to_if_let_sugg(cx: &LateContext<'_>, iterator: &Expr<'_>, pat: &Pat<'_>) -> String { . let pat_snippet = snippet(cx, pat.span, "_"); . let iter_snippet = make_iterator_snippet(cx, iterator, &mut Applicability::Unspecified); . . format!("if let Some({pat_snippet}) = {iter_snippet}.next()") . } . . fn mark_block_as_reachable(expr: &Expr<'_>, local_labels: &mut [(HirId, bool)]) { 34 ( 0.00%) if let ExprKind::Break(Destination { target_id: Ok(t), .. }, _) = expr.kind . && let Some((_, reachable)) = local_labels.iter_mut().find(|(label, _)| *label == t) . { . *reachable = true; . } . } . . fn find_non_obvious_spans<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'tcx>) -> Vec { . let mut spans = vec![]; -- line 507 ---------------------------------------- 9,380 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/spec_from_iter.rs -------------------------------------------------------------------------------- Ir -- line 24 ---------------------------------------- . pub(super) trait SpecFromIter { . fn from_iter(iter: I) -> Self; . } . . impl SpecFromIter for Vec . where . I: Iterator, . { 6,340 ( 0.00%) default fn from_iter(iterator: I) -> Self { 71,983 ( 0.00%) SpecFromIterNested::from_iter(iterator) 641,321 ( 0.01%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/spec_from_iter_nested.rs: as alloc::vec::spec_from_iter_nested::SpecFromIterNested<(usize, u64), core::iter::adapters::map::Map>, ::new::{closure#0}::{closure#0}>>>::from_iter (49x) 5,694 ( 0.00%) } . } . . impl SpecFromIter> for Vec { . fn from_iter(iterator: IntoIter) -> Self { . // A common case is passing a vector into a function which immediately . // re-collects into a vector. We can short circuit this if the IntoIter . // has not been advanced at all. . // When it has been advanced We can also reuse the memory and move the data to the front. -- line 42 ---------------------------------------- 100 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unnecessary_map_on_constructor.rs -------------------------------------------------------------------------------- Ir -- line 32 ---------------------------------------- . "using `map`/`map_err` on `Option` or `Result` constructors" . } . . declare_lint_pass!(UnnecessaryMapOnConstructor => [ . UNNECESSARY_MAP_ON_CONSTRUCTOR, . ]); . . impl<'tcx> LateLintPass<'tcx> for UnnecessaryMapOnConstructor { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx rustc_hir::Expr<'tcx>) { 156,135 ( 0.00%) if !expr.span.from_expansion() 3,944 ( 0.00%) && let hir::ExprKind::MethodCall(path, recv, [map_arg], ..) = expr.kind 772 ( 0.00%) && !map_arg.span.from_expansion() 1,138 ( 0.00%) && let hir::ExprKind::Path(fun) = map_arg.kind 432 ( 0.00%) && let Some(sym::Option | sym::Result) = cx.typeck_results().expr_ty(recv).opt_diag_name(cx) 3,968 ( 0.00%) => ???:::expr_ty (98x) . { 44 ( 0.00%) let (constructor_path, constructor_item) = if let hir::ExprKind::Call(constructor, [arg, ..]) = recv.kind 10 ( 0.00%) && let hir::ExprKind::Path(constructor_path) = constructor.kind 4 ( 0.00%) && !constructor.span.from_expansion() 4 ( 0.00%) && !arg.span.from_expansion() . { . (constructor_path, arg) . } else { . return; . }; 4 ( 0.00%) let constructor_symbol = match constructor_path { . hir::QPath::Resolved(_, path) => { 4 ( 0.00%) if let Some(path_segment) = path.segments.last() { 4 ( 0.00%) path_segment.ident.name . } else { . return; . } . }, . hir::QPath::TypeRelative(_, path) => path.ident.name, . }; . match constructor_symbol { 12 ( 0.00%) sym::Some | sym::Ok if path.ident.name == sym::map => (), . sym::Err if path.ident.name == sym::map_err => (), . _ => return, . } . . let mut app = Applicability::MachineApplicable; . let fun_snippet = snippet_with_applicability(cx, fun.span(), "_", &mut app); . let constructor_snippet = snippet_with_applicability(cx, constructor_path.span(), "_", &mut app); . let constructor_arg_snippet = snippet_with_applicability(cx, constructor_item.span, "_", &mut app); -- line 75 ---------------------------------------- -- line 81 ---------------------------------------- . "unnecessary `{}` on constructor `{constructor_snippet}(_)`", . path.ident.name . ), . "try", . format!("{constructor_snippet}({fun_snippet}({constructor_arg_snippet}))"), . app, . ); . } 416,360 ( 0.01%) } . } 20,338 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/cognitive_complexity.rs -------------------------------------------------------------------------------- Ir -- line 62 ---------------------------------------- . decl: &'tcx FnDecl<'_>, . expr: &'tcx Expr<'_>, . body_span: Span, . ) { . if body_span.from_expansion() { . return; . } . 413 ( 0.00%) let mut cc = 1u64; 413 ( 0.00%) let mut returns = 0u64; 413 ( 0.00%) let mut prev_expr: Option<&ExprKind<'tcx>> = None; . let _: Option = for_each_expr_without_closures(expr, |e| { 492,075 ( 0.01%) match e.kind { . ExprKind::If(_, _, _) => { . cc += 1; . }, 868 ( 0.00%) ExprKind::Match(_, arms, _) => { 868 ( 0.00%) if arms.len() > 1 { 734 ( 0.00%) cc += 1; . } . cc += arms.iter().filter(|arm| arm.guard.is_some()).count() as u64; . }, 812 ( 0.00%) ExprKind::Ret(_) if !matches!(prev_expr, Some(ExprKind::Ret(_))) => { 116 ( 0.00%) returns += 1; . }, . _ => {}, . } 103,722 ( 0.00%) prev_expr = Some(&e.kind); . ControlFlow::Continue(()) . }); . 1,239 ( 0.00%) let ret_ty = cx.typeck_results().node_type(expr.hir_id); 16,933 ( 0.00%) => ???:::node_type (413x) 466 ( 0.00%) let ret_adjust = if ret_ty.is_diag_item(cx, sym::Result) { 25 ( 0.00%) returns . } else { . #[expect(clippy::integer_division)] 776 ( 0.00%) (returns / 2) . }; . . // prevent degenerate cases where unreachable code contains `return` statements 2,065 ( 0.00%) if cc >= ret_adjust { 826 ( 0.00%) cc -= ret_adjust; . } . 826 ( 0.00%) if cc > self.limit.limit() { 6 ( 0.00%) let fn_span = match kind { . FnKind::ItemFn(ident, _, _) | FnKind::Method(ident, _) => ident.span, . FnKind::Closure => { . let header_span = body_span.with_hi(decl.output.span().lo()); 15 ( 0.00%) if let Some(range) = header_span.map_range(cx, |_, src, range| { 1,578 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/source.rs:::map_range::<&rustc_lint::context::LateContext, ::check::{closure#1}> (3x) . let mut idxs = src.get(range.clone())?.match_indices('|'); 9 ( 0.00%) Some(range.start + idxs.next()?.0..range.start + idxs.next()?.0 + 1) . }) { 9 ( 0.00%) range.with_ctxt(header_span.ctxt()) 72 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/source.rs: as clippy_utils::source::IntoSpan>::with_ctxt (3x) . } else { . return; . } . }, . }; . . span_lint_and_help( . cx, . COGNITIVE_COMPLEXITY, . fn_span, 21 ( 0.00%) format!( . "the function has a cognitive complexity of ({cc}/{})", . self.limit.limit() . ), 3 ( 0.00%) None, . "you could split it up into multiple smaller functions", . ); . } . } . } . . impl<'tcx> LateLintPass<'tcx> for CognitiveComplexity { 6,330 ( 0.00%) fn check_fn( . &mut self, . cx: &LateContext<'tcx>, . kind: FnKind<'tcx>, . decl: &'tcx FnDecl<'_>, . body: &'tcx Body<'_>, . span: Span, . def_id: LocalDefId, . ) { . #[allow(deprecated)] 422 ( 0.00%) if cx.tcx.get_attrs(def_id, sym::test).next().is_none() { 4,642 ( 0.00%) let expr = if kind.asyncness().is_async() { 4,382 ( 0.00%) => ???:::asyncness (422x) . match get_async_fn_body(cx.tcx, body) { . Some(b) => b, . None => { . return; . }, . } . } else { 422 ( 0.00%) body.value . }; . 2,110 ( 0.00%) self.check(cx, kind, decl, expr, span); . } 3,376 ( 0.00%) } . . fn check_attributes(&mut self, cx: &LateContext<'tcx>, attrs: &'tcx [Attribute]) { . self.limit.push_attrs(cx.sess(), attrs, sym::cognitive_complexity); . } . fn check_attributes_post(&mut self, cx: &LateContext<'tcx>, attrs: &'tcx [Attribute]) { . self.limit.pop_attrs(cx.sess(), attrs, sym::cognitive_complexity); . } . } -- line 170 ---------------------------------------- 68,035 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs -------------------------------------------------------------------------------- Ir -- line 18 ---------------------------------------- . use rustc_middle::hir::nested_filter; . use rustc_middle::ty::{self, AssocTag, ClauseKind, EarlyBinder, GenericArg, GenericArgKind, Ty, Unnormalized}; . use rustc_span::symbol::Ident; . use rustc_span::{Span, Symbol}; . . const NEEDLESS_COLLECT_MSG: &str = "avoid using `collect()` when not needed"; . . #[expect(clippy::too_many_lines)] 224 ( 0.00%) pub(super) fn check<'tcx>( . cx: &LateContext<'tcx>, . name_span: Span, . collect_expr: &'tcx Expr<'_>, . iter_expr: &'tcx Expr<'tcx>, . call_span: Span, . ) { 96 ( 0.00%) let iter_ty = cx.typeck_results().expr_ty(iter_expr); 1,280 ( 0.00%) => ???:::expr_ty (32x) 160 ( 0.00%) if has_non_owning_mutable_access(cx, iter_ty) { 106,768,696 ( 1.98%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::has_non_owning_mutable_access (32x) . return; // don't lint if the iterator has side effects . } . 39 ( 0.00%) if collect_turbofish_is_fully_concrete(collect_expr) { . return; // don't lint if turbofish on collect maybe the only thing anchoring the type . } . 379 ( 0.00%) match cx.tcx.parent_hir_node(collect_expr.hir_id) { 2,728 ( 0.00%) => ???:::parent_hir_node (31x) 7 ( 0.00%) Node::Expr(parent) => { 7 ( 0.00%) check_collect_into_intoiterator(cx, parent, collect_expr, call_span, iter_expr); . . let sugg: String; . let mut app; . 42 ( 0.00%) if let ExprKind::MethodCall(name, _, args @ ([] | [_]), _) = parent.kind { . app = Applicability::MachineApplicable; . let collect_ty = cx.typeck_results().expr_ty(collect_expr); . . sugg = match name.ident.name { . sym::len => { . if let Some(adt) = collect_ty.ty_adt_def() . && matches!( . cx.tcx.get_diagnostic_name(adt.did()), -- line 57 ---------------------------------------- -- line 101 ---------------------------------------- . NEEDLESS_COLLECT, . call_span.with_hi(parent.span.hi()), . NEEDLESS_COLLECT_MSG, . "replace with", . sugg, . app, . ); . }, 12 ( 0.00%) Node::LetStmt(l) => { 120 ( 0.00%) if let PatKind::Binding(BindingMode::NONE | BindingMode::MUT, id, _, None) = l.pat.kind 48 ( 0.00%) && let ty = cx.typeck_results().expr_ty(collect_expr) 480 ( 0.00%) => ???:::expr_ty (12x) . && let Some(extra_spec) = ty.opt_diag_name(cx).and_then(ExtraFunctionSpec::new) 40 ( 0.00%) && let iter_ty = cx.typeck_results().expr_ty(iter_expr) 400 ( 0.00%) => ???:::expr_ty (10x) 60 ( 0.00%) && let Some(block) = get_enclosing_block(cx, l.hir_id) 3,290 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_enclosing_block (10x) 10 ( 0.00%) && let Some((iter_calls, extra_calls)) = 180 ( 0.00%) detect_iter_and_into_iters(block, id, cx, get_captured_ids(cx, iter_ty), extra_spec) 658,969 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:clippy_lints::methods::needless_collect::detect_iter_and_into_iters (10x) 7,556 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:clippy_lints::methods::needless_collect::get_captured_ids (10x) . && let [iter_call] = &*iter_calls . { . let mut used_count_visitor = UsedCountVisitor { . cx, . id, . extra_spec, . count: 0, . }; -- line 124 ---------------------------------------- -- line 164 ---------------------------------------- . Applicability::MaybeIncorrect, . ); . }, . ); . } . }, . _ => (), . } 256 ( 0.00%) } . . /// checks for collecting into a (generic) method or function argument . /// taking an `IntoIterator` . fn check_collect_into_intoiterator<'tcx>( . cx: &LateContext<'tcx>, . parent: &'tcx Expr<'tcx>, . collect_expr: &'tcx Expr<'tcx>, . call_span: Span, . iter_expr: &'tcx Expr<'tcx>, . ) { 35 ( 0.00%) if let Some(id) = fn_def_id(cx, parent) { 245 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::fn_def_id (7x) . let args = match parent.kind { . ExprKind::Call(_, args) | ExprKind::MethodCall(_, _, args, _) => args, . _ => &[], . }; . // find the argument index of the `collect_expr` in the . // function / method call . if let Some(arg_idx) = args.iter().position(|e| e.hir_id == collect_expr.hir_id).map(|i| { . if matches!(parent.kind, ExprKind::MethodCall(_, _, _, _)) { -- line 191 ---------------------------------------- -- line 232 ---------------------------------------- . } . } . } . } . . /// Returns `true` if `collect_expr`'s turbofish is fully concrete (has . /// generic arguments and none of them are inference placeholders) . fn collect_turbofish_is_fully_concrete(collect_expr: &Expr<'_>) -> bool { 62 ( 0.00%) if let ExprKind::MethodCall(segment, ..) = collect_expr.kind 93 ( 0.00%) && let Some(args) = segment.args 12 ( 0.00%) && let [a] = args.args . { 8 ( 0.00%) generic_arg_is_fully_concrete(a) . } else { . false . } . } . . fn generic_arg_is_fully_concrete(arg: &rustc_hir::GenericArg<'_>) -> bool { 48 ( 0.00%) match arg { . rustc_hir::GenericArg::Infer(_) => false, 4 ( 0.00%) rustc_hir::GenericArg::Type(ty) => ty_is_fully_concrete(ty.as_unambig_ty()), 228 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:clippy_lints::methods::needless_collect::ty_is_fully_concrete (4x) . rustc_hir::GenericArg::Const(ct) => !matches!(ct.as_unambig_ct().kind, rustc_hir::ConstArgKind::Infer(..)), . rustc_hir::GenericArg::Lifetime(_) => true, . } . } . 36 ( 0.00%) fn ty_is_fully_concrete(ty: &rustc_hir::Ty<'_>) -> bool { 36 ( 0.00%) match &ty.kind { . rustc_hir::TyKind::Infer(..) => false, 8 ( 0.00%) rustc_hir::TyKind::Path(rustc_hir::QPath::Resolved(_, path)) => path.segments.iter().all(|seg| { 4 ( 0.00%) seg.args 4 ( 0.00%) .is_none_or(|a| a.args.iter().all(generic_arg_is_fully_concrete)) . }), . rustc_hir::TyKind::Ref(_, mut_ty) => ty_is_fully_concrete(mut_ty.ty), . rustc_hir::TyKind::Slice(ty) | rustc_hir::TyKind::Array(ty, _) => ty_is_fully_concrete(ty), . rustc_hir::TyKind::Tup(tys) => tys.iter().all(ty_is_fully_concrete), . _ => true, . } 32 ( 0.00%) } . /// Checks if the given method call matches the expected signature of `([&[mut]] self) -> bool` . fn is_is_empty_sig(cx: &LateContext<'_>, call_id: HirId) -> bool { . cx.typeck_results().type_dependent_def_id(call_id).is_some_and(|id| { . let sig = cx.tcx.fn_sig(id).instantiate_identity().skip_norm_wip().skip_binder(); . sig.inputs().len() == 1 && sig.output().is_bool() . }) . } . -- line 279 ---------------------------------------- -- line 485 ---------------------------------------- . extra_spec: ExtraFunctionSpec, . hir_id_uses_map: FxHashMap, . current_statement_hir_id: Option, . seen_other: bool, . target: HirId, . } . . impl<'tcx> Visitor<'tcx> for IterFunctionVisitor<'_, 'tcx> { 1,692 ( 0.00%) fn visit_block(&mut self, block: &'tcx Block<'tcx>) { 188 ( 0.00%) for (expr, hir_id) in block.stmts.iter().filter_map(get_expr_and_hir_id_from_stmt) { . if check_loop_kind(expr).is_some() { . continue; . } 5,905 ( 0.00%) self.visit_block_expr(expr, hir_id); 463,346 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:::visit_block_expr (63x) . } 564 ( 0.00%) if let Some(expr) = block.expr { 172 ( 0.00%) if let Some(loop_kind) = check_loop_kind(expr) { . if let LoopKind::Conditional(block_expr) = loop_kind { . self.visit_block_expr(block_expr, None); . } . } else { . self.visit_block_expr(expr, None); . } . } 16 ( 0.00%) } . . #[expect(clippy::too_many_lines)] 37,751 ( 0.00%) fn visit_expr(&mut self, expr: &'tcx Expr<'tcx>) { . // Check function calls on our collection 16,179 ( 0.00%) if let ExprKind::MethodCall(method_name, recv, args, _) = &expr.kind { 238 ( 0.00%) if args.is_empty() 174 ( 0.00%) && method_name.ident.name == sym::collect 36 ( 0.00%) && self . .cx 36 ( 0.00%) .ty_based_def(expr) 48 ( 0.00%) .opt_parent(self.cx) 12 ( 0.00%) .is_diag_item(self.cx, sym::Iterator) . { 156 ( 0.00%) self.current_mutably_captured_ids = get_captured_ids(self.cx, self.cx.typeck_results().expr_ty(recv)); 480 ( 0.00%) => ???:::expr_ty (12x) 24 ( 0.00%) self.visit_expr(recv); 4,368 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:::visit_expr'2 (12x) . return; . } . 164 ( 0.00%) if recv.res_local_id() == Some(self.target) { . if self . .illegal_mutable_capture_ids . .intersection(&self.current_mutably_captured_ids) . .next() . .is_none() . { 57 ( 0.00%) if let Some(hir_id) = self.current_statement_hir_id { . self.hir_id_uses_map.insert(hir_id, self.uses.len()); . } 32 ( 0.00%) match method_name.ident.name { 96 ( 0.00%) sym::into_iter => self.uses.push(Some(IterFunction { . func: IterFunctionKind::IntoIter(expr.hir_id), . span: expr.span, . })), . sym::len => self.uses.push(Some(IterFunction { . func: IterFunctionKind::Len, . span: expr.span, 1 ( 0.00%) })), 1 ( 0.00%) sym::is_empty => self.uses.push(Some(IterFunction { . func: IterFunctionKind::IsEmpty, 1 ( 0.00%) span: expr.span, . })), . sym::contains => self.uses.push(Some(IterFunction { . func: IterFunctionKind::Contains(args[0].span), . span: expr.span, . })), 30 ( 0.00%) name if let is_push_back = self.extra_spec.push_symbol.back.is_some_and(|sym| name == sym) 43 ( 0.00%) && (is_push_back || self.extra_spec.push_symbol.front.is_some_and(|sym| name == sym)) 1 ( 0.00%) && self.uses.is_empty() => . { 4 ( 0.00%) let span = get_span_of_expr_or_parent_stmt(self.cx, expr); 103 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:clippy_lints::methods::needless_collect::get_span_of_expr_or_parent_stmt (1x) . match self.extras.last_mut() { . Some(ExtraFunction::Push { back, .. }) if is_push_back => { . back.push(ExtraFunctionSpan { . func_span: span, . arg_span: args[0].span, . }); . }, . Some(ExtraFunction::Push { front, .. }) => { . front.push(ExtraFunctionSpan { . func_span: span, . arg_span: args[0].span, . }); . }, 1 ( 0.00%) _ if is_push_back => { 7 ( 0.00%) self.extras.push(ExtraFunction::Push { 2 ( 0.00%) back: vec![ExtraFunctionSpan { . func_span: span, 3 ( 0.00%) arg_span: args[0].span, . }], . front: Vec::new(), . }); . }, . _ => { . self.extras.push(ExtraFunction::Push { . back: Vec::new(), . front: vec![ExtraFunctionSpan { -- line 585 ---------------------------------------- -- line 595 ---------------------------------------- . { . let span = get_span_of_expr_or_parent_stmt(self.cx, expr); . self.extras.push(ExtraFunction::Extend(ExtraFunctionSpan { . func_span: span, . arg_span: args[0].span, . })); . }, . _ => { 14 ( 0.00%) self.seen_other = true; 74 ( 0.00%) if let Some(hir_id) = self.current_statement_hir_id { . self.hir_id_uses_map.remove(&hir_id); . } . }, . } . } . return; . } . 82 ( 0.00%) if let Some(hir_id) = recv.res_local_id() 41 ( 0.00%) && let Some(index) = self.hir_id_uses_map.remove(&hir_id) . { . if self . .illegal_mutable_capture_ids . .intersection(&self.current_mutably_captured_ids) . .next() . .is_none() . { . if let Some(hir_id) = self.current_statement_hir_id { -- line 622 ---------------------------------------- -- line 623 ---------------------------------------- . self.hir_id_uses_map.insert(hir_id, index); . } . } else { . self.uses[index] = None; . } . } . } . // Check if the collection is used for anything else 1,283 ( 0.00%) if expr.res_local_id() == Some(self.target) { 10 ( 0.00%) self.seen_other = true; . } else { 5,360 ( 0.00%) walk_expr(self, expr); 619,679 ( 0.01%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr:: (60x) . } 43,144 ( 0.00%) } . } . . /// If parent of the `expr` is a statement, return the span of the statement, otherwise return the . /// span of the expression. 4 ( 0.00%) fn get_span_of_expr_or_parent_stmt<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Span { 7 ( 0.00%) if let Node::Stmt(stmt) = cx.tcx.parent_hir_node(expr.hir_id) { 88 ( 0.00%) => ???:::parent_hir_node (1x) 1 ( 0.00%) stmt.span . } else { . expr.span . } 3 ( 0.00%) } . . enum LoopKind<'tcx> { . Conditional(&'tcx Expr<'tcx>), . Loop, . } . . fn check_loop_kind<'tcx>(expr: &Expr<'tcx>) -> Option> { . if let Some(higher::WhileLet { let_expr, .. }) = higher::WhileLet::hir(expr) { . return Some(LoopKind::Conditional(let_expr)); . } . if let Some(higher::While { condition, .. }) = higher::While::hir(expr) { . return Some(LoopKind::Conditional(condition)); . } 6,425 ( 0.00%) if let Some(higher::ForLoop { arg, .. }) = higher::ForLoop::hir(expr) { 1,095 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (73x) . return Some(LoopKind::Conditional(arg)); . } . if let ExprKind::Loop { .. } = expr.kind { . return Some(LoopKind::Loop); . } . . None . } . . impl<'tcx> IterFunctionVisitor<'_, 'tcx> { 6,835 ( 0.00%) fn visit_block_expr(&mut self, expr: &'tcx Expr<'tcx>, hir_id: Option) { 2,734 ( 0.00%) self.current_statement_hir_id = hir_id; 15,037 ( 0.00%) self.current_mutably_captured_ids = get_captured_ids(self.cx, self.cx.typeck_results().expr_ty(expr)); 2,944 ( 0.00%) => ???:::expr_ty (73x) 4,101 ( 0.00%) self.visit_expr(expr); 638,322 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:::visit_expr (73x) 6,835 ( 0.00%) } . } . . fn get_expr_and_hir_id_from_stmt<'v>(stmt: &'v Stmt<'v>) -> Option<(&'v Expr<'v>, Option)> { 4,248 ( 0.00%) match stmt.kind { . StmtKind::Expr(expr) | StmtKind::Semi(expr) => Some((expr, None)), . StmtKind::Item(..) => None, . StmtKind::Let(LetStmt { init, pat, .. }) => { 1,254 ( 0.00%) if let PatKind::Binding(_, hir_id, ..) = pat.kind { . init.map(|init_expr| (init_expr, Some(hir_id))) . } else { . init.map(|init_expr| (init_expr, None)) . } . }, . } . } . -- line 692 ---------------------------------------- -- line 719 ---------------------------------------- . . fn maybe_tcx(&mut self) -> Self::MaybeTyCtxt { . self.cx.tcx . } . } . . /// Detect the occurrences of calls to `iter` or `into_iter` for the . /// given identifier 70 ( 0.00%) fn detect_iter_and_into_iters<'tcx: 'a, 'a>( . block: &'tcx Block<'tcx>, . id: HirId, . cx: &'a LateContext<'tcx>, . captured_ids: HirIdSet, . extra_spec: ExtraFunctionSpec, . ) -> Option<(Vec, Vec)> { 350 ( 0.00%) let mut visitor = IterFunctionVisitor { . illegal_mutable_capture_ids: captured_ids, . current_mutably_captured_ids: HirIdSet::default(), . cx, . uses: Vec::new(), . extras: Vec::new(), . extra_spec, . hir_id_uses_map: FxHashMap::default(), . current_statement_hir_id: None, . seen_other: false, . target: id, . }; 10 ( 0.00%) visitor.visit_block(block); 657,834 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:::visit_block (10x) 30 ( 0.00%) if visitor.seen_other { 10 ( 0.00%) None . } else { . Some((visitor.uses.into_iter().flatten().collect(), visitor.extras)) . } 80 ( 0.00%) } . 30 ( 0.00%) fn get_captured_ids(cx: &LateContext<'_>, ty: Ty<'_>) -> HirIdSet { 14,067 ( 0.00%) fn get_captured_ids_recursive(cx: &LateContext<'_>, ty: Ty<'_>, set: &mut HirIdSet) { 6,761 ( 0.00%) match ty.kind() { . ty::Adt(_, generics) => { 527 ( 0.00%) for generic in *generics { . if let GenericArgKind::Type(ty) = generic.kind() { 522 ( 0.00%) get_captured_ids_recursive(cx, ty, set); 22,604 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:clippy_lints::methods::needless_collect::get_captured_ids::get_captured_ids_recursive'2 (115x) . } . } . }, . ty::Closure(def_id, _) => { 246 ( 0.00%) let closure_hir_node = cx.tcx.hir_get_if_local(*def_id).unwrap(); 101 ( 0.00%) => ???:::hir_get_if_local (1x) 82 ( 0.00%) if let Node::Expr(closure_expr) = closure_hir_node { 82 ( 0.00%) can_move_expr_to_closure(cx, closure_expr) 888 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::can_move_expr_to_closure (1x) . .unwrap() . .into_iter() . .for_each(|(hir_id, capture_kind)| { 30 ( 0.00%) if matches!(capture_kind, CaptureKind::Ref(Mutability::Mut)) { . set.insert(hir_id); . } . }); . } . }, . _ => (), . } 12,424 ( 0.00%) } . . let mut set = HirIdSet::default(); . 4,177 ( 0.00%) get_captured_ids_recursive(cx, ty, &mut set); 8,108 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/methods/needless_collect.rs:clippy_lints::methods::needless_collect::get_captured_ids::get_captured_ids_recursive (12x) . 11,112 ( 0.00%) set 30 ( 0.00%) } . . struct IteratorMethodCheckVisitor<'a, 'tcx> { . cx: &'a LateContext<'tcx>, . hir_id_of_expr: HirId, . hir_id_of_let_binding: Option, . } . . impl<'tcx> Visitor<'tcx> for IteratorMethodCheckVisitor<'_, 'tcx> { -- line 794 ---------------------------------------- 3,944 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/attrs.rs -------------------------------------------------------------------------------- Ir -- line 8 ---------------------------------------- . use rustc_lexer::TokenKind; . use rustc_lint::LateContext; . use rustc_middle::ty::{AdtDef, TyCtxt}; . use rustc_session::Session; . use rustc_span::{Span, Symbol}; . use std::str::FromStr as _; . . /// Validates a single clippy attribute and emits errors for unknown or deprecated ones. 2,628 ( 0.00%) pub fn check_clippy_attr(sess: &Session, attr: &A) { 125 ( 0.00%) if let [clippy, segment2] = &*attr.path() . && *clippy == sym::clippy . { . let path_span = attr . .path_span() . .expect("Clippy attributes are unparsed and have a span"); . . match *segment2 { . sym::cyclomatic_complexity => { -- line 25 ---------------------------------------- -- line 40 ---------------------------------------- . | sym::msrv . | sym::has_significant_drop . | sym::format_args => {}, . _ => { . sess.dcx().span_err(path_span, "usage of unknown attribute"); . }, . } . } 2,044 ( 0.00%) } . . /// Given `attrs`, extract all the instances of a built-in Clippy attribute called `name` . pub fn get_builtin_attr<'a, A: AttributeExt + 'a>(attrs: &'a [A], name: Symbol) -> impl Iterator { . attrs.iter().filter(move |attr| { 904 ( 0.00%) if let [clippy, segment2] = &*attr.path() . && *clippy == sym::clippy . { . if *segment2 == sym::cyclomatic_complexity { . return false; . } . *segment2 == name . } else { . false . } . }) . } . . /// If `attrs` contain exactly one instance of a built-in Clippy attribute called `name`, . /// returns that attribute, and `None` otherwise 2,907 ( 0.00%) pub fn get_unique_builtin_attr<'a, A: AttributeExt>(sess: &'a Session, attrs: &'a [A], name: Symbol) -> Option<&'a A> { . let mut unique_attr: Option<&A> = None; . for attr in get_builtin_attr(attrs, name) { . if let Some(duplicate) = unique_attr { . sess.dcx() . .struct_span_err(attr.span(), format!("`{name}` is defined multiple times")) . .with_span_note(duplicate.span(), "first definition found here") . .emit(); . } else { . unique_attr = Some(attr); . } . } . unique_attr 2,584 ( 0.00%) } . . /// Checks whether `attrs` contain any of `proc_macro`, `proc_macro_derive` or . /// `proc_macro_attribute` . pub fn is_proc_macro(attrs: &[impl AttributeExt]) -> bool { . attrs.iter().any(AttributeExt::is_proc_macro_attr) . } . . /// Checks whether `attrs` contain `#[doc(hidden)]` . pub fn is_doc_hidden(attrs: &[impl AttributeExt]) -> bool { . attrs.iter().any(AttributeExt::is_doc_hidden) . } . . /// Checks whether the given ADT, or any of its fields/variants, are marked as `#[non_exhaustive]` 1,760 ( 0.00%) pub fn has_non_exhaustive_attr(tcx: TyCtxt<'_>, adt: AdtDef<'_>) -> bool { 440 ( 0.00%) adt.is_variant_list_non_exhaustive() 10,126 ( 0.00%) || find_attr!(tcx, adt.did(), NonExhaustive(..)) 18,400 ( 0.00%) => ???:>::get_attrs (204x) . || adt.variants().iter().any(|variant_def| { 5,082 ( 0.00%) variant_def.is_field_list_non_exhaustive() || find_attr!(tcx, variant_def.def_id, NonExhaustive(..)) 153,131 ( 0.00%) => ???:>::get_attrs (535x) . }) . || adt . .all_fields() 842 ( 0.00%) .any(|field_def| find_attr!(tcx, field_def.did, NonExhaustive(..))) 50,817 ( 0.00%) => ???:>::get_attrs (368x) 1,760 ( 0.00%) } . . /// Checks whether the given span contains a `#[cfg(..)]` attribute 99 ( 0.00%) pub fn span_contains_cfg(cx: &LateContext<'_>, s: Span) -> bool { . s.check_text(cx, |src| { . // PERF: A `#[cfg]` needs a literal `#`, so skip the lexer when the source has none. 35 ( 0.00%) if !src.contains('#') { . return false; . } . . let mut iter = tokenize_with_text(src); . . // Search for the token sequence [`#`, `[`, `cfg`] 1,166 ( 0.00%) while iter.any(|(t, ..)| matches!(t, TokenKind::Pound)) { . let mut iter = iter.by_ref().skip_while(|(t, ..)| { . matches!( . t, . TokenKind::Whitespace | TokenKind::LineComment { .. } | TokenKind::BlockComment { .. } . ) . }); 64 ( 0.00%) if matches!(iter.next(), Some((TokenKind::OpenBracket, ..))) 2 ( 0.00%) && matches!(iter.next(), Some((TokenKind::Ident, "cfg", _))) . { . return true; . } . } . false . }) 297 ( 0.00%) } . . /// Currently used to keep track of the current value of `#[clippy::cognitive_complexity(N)]` . pub struct LimitStack { . default: u64, . stack: Vec, . } . . impl Drop for LimitStack { -- line 140 ---------------------------------------- -- line 149 ---------------------------------------- . /// Initialize the stack starting with a default value, which usually comes from configuration . pub fn new(limit: u64) -> Self { . Self { . default: limit, . stack: vec![], . } . } . pub fn limit(&self) -> u64 { 419 ( 0.00%) self.stack.last().copied().unwrap_or(self.default) . } . pub fn push_attrs(&mut self, sess: &Session, attrs: &[impl AttributeExt], name: Symbol) { . let stack = &mut self.stack; 268,540 ( 0.00%) parse_attrs(sess, attrs, name, |val| stack.push(val)); 1,369,635 ( 0.03%) => site/frontend/rust-clippy/clippy_utils/src/attrs.rs:clippy_utils::attrs::parse_attrs::<::push_attrs::{closure#0}, rustc_hir::hir::Attribute> (67,135x) . } . pub fn pop_attrs(&mut self, sess: &Session, attrs: &[impl AttributeExt], name: Symbol) { . let stack = &mut self.stack; 268,540 ( 0.00%) parse_attrs(sess, attrs, name, |val| { 1,369,808 ( 0.03%) => site/frontend/rust-clippy/clippy_utils/src/attrs.rs:clippy_utils::attrs::parse_attrs::<::pop_attrs::{closure#0}, rustc_hir::hir::Attribute> (67,135x) . let popped = stack.pop(); . debug_assert_eq!(popped, Some(val)); . }); . } . } . 1,342,700 ( 0.02%) fn parse_attrs(sess: &Session, attrs: &[impl AttributeExt], name: Symbol, mut f: F) { . for attr in get_builtin_attr(attrs, name) { . let Some(value) = attr.value_str() else { . sess.dcx().span_err(attr.span(), "bad clippy attribute"); . continue; . }; . let Ok(value) = u64::from_str(value.as_str()) else { . sess.dcx().span_err(attr.span(), "not a number"); . continue; . }; . f(value); . } 1,074,160 ( 0.02%) } 67,460 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/unnested_or_patterns.rs -------------------------------------------------------------------------------- Ir -- line 57 ---------------------------------------- . impl UnnestedOrPatterns { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl EarlyLintPass for UnnestedOrPatterns { . fn check_arm(&mut self, cx: &EarlyContext<'_>, a: &ast::Arm) { 2,600 ( 0.00%) if self.msrv.meets(msrvs::OR_PATTERNS) { 15,600 ( 0.00%) => /rust/deps/smallvec-1.15.1/src/lib.rs:::meets (650x) 3,900 ( 0.00%) lint_unnested_or_patterns(cx, &a.pat); 440,353 ( 0.01%) => site/frontend/rust-clippy/clippy_lints/src/unnested_or_patterns.rs:clippy_lints::unnested_or_patterns::lint_unnested_or_patterns (650x) . } . } . . fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &ast::Expr) { 246,950 ( 0.00%) if self.msrv.meets(msrvs::OR_PATTERNS) 1,185,360 ( 0.02%) => /rust/deps/smallvec-1.15.1/src/lib.rs:::meets (49,390x) . && let ast::ExprKind::Let(pat, _, _, _) = &e.kind . { 321 ( 0.00%) lint_unnested_or_patterns(cx, pat); 78,899 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unnested_or_patterns.rs:clippy_lints::unnested_or_patterns::lint_unnested_or_patterns (107x) . } . } . . fn check_param(&mut self, cx: &EarlyContext<'_>, p: &ast::Param) { 2,932 ( 0.00%) if self.msrv.meets(msrvs::OR_PATTERNS) { 17,592 ( 0.00%) => /rust/deps/smallvec-1.15.1/src/lib.rs:::meets (733x) 2,199 ( 0.00%) lint_unnested_or_patterns(cx, &p.pat); 47,255 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unnested_or_patterns.rs:clippy_lints::unnested_or_patterns::lint_unnested_or_patterns (733x) . } . } . . fn check_local(&mut self, cx: &EarlyContext<'_>, l: &ast::Local) { 8,208 ( 0.00%) if self.msrv.meets(msrvs::OR_PATTERNS) { 49,248 ( 0.00%) => /rust/deps/smallvec-1.15.1/src/lib.rs:::meets (2,052x) 6,156 ( 0.00%) lint_unnested_or_patterns(cx, &l.pat); 141,250 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unnested_or_patterns.rs:clippy_lints::unnested_or_patterns::lint_unnested_or_patterns (2,052x) . } . } . . extract_msrv_attr!(); . } . 17,710 ( 0.00%) fn lint_unnested_or_patterns(cx: &EarlyContext<'_>, pat: &Pat) { 30,118 ( 0.00%) if let Ident(.., None) | Expr(_) | Wild | Path(..) | Range(..) | Rest | MacCall(_) = pat.kind { . // This is a leaf pattern, so cloning is unprofitable. . return; . } . . let mut pat = pat.clone(); . . // Nix all the paren patterns everywhere so that they aren't in our way. . remove_all_parens(&mut pat); . . // Transform all unnested or-patterns into nested ones, and if there were none, quit. 1,320 ( 0.00%) if !unnest_or_patterns(&mut pat) { . return; . } . 27 ( 0.00%) span_lint_and_then(cx, UNNESTED_OR_PATTERNS, pat.span, "unnested or-patterns", |db| { 1,995 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/diagnostics.rs:clippy_utils::diagnostics::span_lint_and_then:: (3x) . insert_necessary_parens(&mut pat); . db.span_suggestion_verbose( . pat.span, . "nest the patterns", . pprust::pat_to_string(&pat), . Applicability::MachineApplicable, . ); . }); 21,252 ( 0.00%) } . . /// Remove all `(p)` patterns in `pat`. . fn remove_all_parens(pat: &mut Pat) { . #[derive(Default)] . struct Visitor { . /// If is not in the outer most pattern. This is needed to avoid removing the outermost . /// parens because top-level or-patterns are not allowed in let statements. . is_inner: bool, . } . . impl MutVisitor for Visitor { . fn visit_pat(&mut self, pat: &mut Pat) { . let is_inner = mem::replace(&mut self.is_inner, true); . walk_pat(self, pat); 3,830 ( 0.00%) let inner = match &mut pat.kind { . Paren(i) if is_inner => mem::replace(&mut i.kind, Wild), . _ => return, . }; . pat.kind = inner; . } . } . Visitor::default().visit_pat(pat); . } -- line 141 ---------------------------------------- -- line 167 ---------------------------------------- . . /// Unnest or-patterns `p0 | ... | p1` in the pattern `pat`. . /// For example, this would transform `Some(0) | FOO | Some(2)` into `Some(0 | 2) | FOO`. . fn unnest_or_patterns(pat: &mut Pat) -> bool { . struct Visitor { . changed: bool, . } . impl MutVisitor for Visitor { 16,677 ( 0.00%) fn visit_pat(&mut self, p: &mut Pat) { . // This is a bottom up transformation, so recurse first. . walk_pat(self, p); . . // Don't have an or-pattern? Just quit early on. 3,706 ( 0.00%) let Or(alternatives) = &mut p.kind else { return }; . . // Collapse or-patterns directly nested in or-patterns. . let mut idx = 0; . let mut this_level_changed = false; 522 ( 0.00%) while idx < alternatives.len() { 196 ( 0.00%) let inner = if let Or(ps) = &mut alternatives[idx].kind { . mem::take(ps) . } else { 98 ( 0.00%) idx += 1; . continue; . }; . this_level_changed = true; . alternatives.splice(idx..=idx, inner); . } . . // Focus on `p_n` and then try to transform all `p_i` where `i > n`. . let mut focus_idx = 0; 228 ( 0.00%) while focus_idx < alternatives.len() { 95 ( 0.00%) this_level_changed |= transform_with_focus_on_idx(alternatives, focus_idx); . focus_idx += 1; . } 114 ( 0.00%) self.changed |= this_level_changed; . . // Deal with `Some(Some(0)) | Some(Some(1))`. 114 ( 0.00%) if this_level_changed { . walk_pat(self, p); . } 14,824 ( 0.00%) } . } . 1,980 ( 0.00%) let mut visitor = Visitor { changed: false }; 660 ( 0.00%) visitor.visit_pat(pat); 140,409 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unnested_or_patterns.rs:::visit_pat (660x) . visitor.changed . } . . /// Match `$scrutinee` against `$pat` and extract `$then` from it. . /// Panics if there is no match. . macro_rules! always_pat { . ($scrutinee:expr, $pat:pat => $then:expr) => { 9 ( 0.00%) match $scrutinee { . $pat => $then, . _ => unreachable!(), . } . }; . } . . /// Focus on `focus_idx` in `alternatives`, . /// attempting to extend it with elements of the same constructor `C` . /// in `alternatives[focus_idx + 1..]`. . fn transform_with_focus_on_idx(alternatives: &mut ThinVec, focus_idx: usize) -> bool { . // Extract the kind; we'll need to make some changes in it. 380 ( 0.00%) let mut focus_kind = mem::replace(&mut alternatives[focus_idx].kind, Wild); . // We'll focus on `alternatives[focus_idx]`, . // so we're draining from `alternatives[focus_idx + 1..]`. 190 ( 0.00%) let start = focus_idx + 1; . . // We're trying to find whatever kind (~"constructor") we found in `alternatives[start..]`. 775 ( 0.00%) let changed = match &mut focus_kind { . Missing => unreachable!(), . // These pattern forms are "leafs" and do not have sub-patterns. . // Therefore they are not some form of constructor `C`, . // with which a pattern `C(p_0)` may be formed, . // which we would want to join with other `C(p_j)`s. . Ident(.., None) | Expr(_) | Wild | Err(_) | Never | Path(..) | Range(..) | Rest | MacCall(_) . // Skip immutable refs, as grouping them saves few characters, . // and almost always requires adding parens (increasing noisiness). -- line 246 ---------------------------------------- -- line 281 ---------------------------------------- . Slice(ps1) => extend_with_matching_product( . ps1, start, alternatives, . |k, ps1, idx| matches!(k, Slice(ps2) if eq_pre_post(ps1, ps2, idx)), . |k| always_pat!(k, Slice(ps) => ps), . ), . // Transform `(pre, x, post) | ... | (pre, y, post)` into `(pre, x | y, post)`. . Tuple(ps1) => extend_with_matching_product( . ps1, start, alternatives, 12 ( 0.00%) |k, ps1, idx| matches!(k, Tuple(ps2) if eq_pre_post(ps1, ps2, idx)), 2 ( 0.00%) |k| always_pat!(k, Tuple(ps) => ps), . ), . // Transform `S(pre, x, post) | ... | S(pre, y, post)` into `S(pre, x | y, post)`. . TupleStruct(qself1, path1, ps1) => extend_with_matching_product( . ps1, start, alternatives, 122 ( 0.00%) |k, ps1, idx| matches!( . k, . TupleStruct(qself2, path2, ps2) 168 ( 0.00%) if eq_maybe_qself(qself1.as_deref(), qself2.as_deref()) 336 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ast_utils/mod.rs:clippy_utils::ast_utils::eq_maybe_qself (56x) 225 ( 0.00%) && eq_path(path1, path2) && eq_pre_post(ps1, ps2, idx) 2,611 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ast_utils/mod.rs:clippy_utils::ast_utils::eq_path (56x) . ), 1 ( 0.00%) |k| always_pat!(k, TupleStruct(_, _, ps) => ps), . ), . // Transform a record pattern `S { fp_0, ..., fp_n }`. . Struct(qself1, path1, fps1, rest1) => { 21 ( 0.00%) extend_with_struct_pat(qself1.as_deref(), path1, fps1, *rest1, start, alternatives) . }, . }; . 1,805 ( 0.00%) alternatives[focus_idx].kind = focus_kind; 1,548 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (86x) . changed . } . . /// Here we focusing on a record pattern `S { fp_0, ..., fp_n }`. . /// In particular, for a record pattern, the order in which the field patterns is irrelevant. . /// So when we fixate on some `ident_k: pat_k`, we try to find `ident_k` in the other pattern . /// and check that all `fp_i` where `i ∈ ((0...n) \ k)` between two patterns are equal. . fn extend_with_struct_pat( -- line 317 ---------------------------------------- -- line 364 ---------------------------------------- . fn extend_with_matching_product( . targets: &mut [Pat], . start: usize, . alternatives: &mut ThinVec, . predicate: impl Fn(&PatKind, &[Pat], usize) -> bool, . extract: impl Fn(PatKind) -> ThinVec, . ) -> bool { . (0..targets.len()).any(|idx| { 66 ( 0.00%) let tail_or = drain_matching( . start, . alternatives, 620 ( 0.00%) |k| predicate(k, targets, idx), 11 ( 0.00%) |k| extract(k).swap_remove(idx), . ); 462 ( 0.00%) extend_with_tail_or(&mut targets[idx], tail_or) 2,964 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/unnested_or_patterns.rs:clippy_lints::unnested_or_patterns::extend_with_tail_or (66x) . }) . } . . /// Extract the pattern from the given one and replace it with `Wild`. . /// This is meant for temporarily swapping out the pattern for manipulation. . fn take_pat(from: &mut Pat) -> Pat { . let dummy = Pat { . id: DUMMY_NODE_ID, -- line 386 ---------------------------------------- -- line 387 ---------------------------------------- . kind: Wild, . span: DUMMY_SP, . }; . mem::replace(from, dummy) . } . . /// Extend `target` as an or-pattern with the alternatives . /// in `tail_or` if there are any and return if there were. 396 ( 0.00%) fn extend_with_tail_or(target: &mut Pat, tail_or: ThinVec) -> bool { . fn extend(target: &mut Pat, mut tail_or: ThinVec) { . // On an existing or-pattern in the target, append to it, . // otherwise convert the target to an or-pattern. 9 ( 0.00%) if let Or(ps) = &mut target.kind { . ps.append(&mut tail_or); . } else { 3 ( 0.00%) let mut init_or = thin_vec![take_pat(target)]; . init_or.append(&mut tail_or); 15 ( 0.00%) target.kind = Or(init_or); 54 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:core::ptr::drop_glue:: (3x) . } . } . . let changed = !tail_or.is_empty(); 66 ( 0.00%) if changed { . // Extend the target. . extend(target, tail_or); . } . changed 396 ( 0.00%) } . . // Extract all inner patterns in `alternatives` matching our `predicate`. . // Only elements beginning with `start` are considered for extraction. . fn drain_matching( . start: usize, . alternatives: &mut ThinVec, . predicate: impl Fn(&PatKind) -> bool, . extract: impl Fn(PatKind) -> Pat, . ) -> ThinVec { . let mut tail_or = ThinVec::new(); 66 ( 0.00%) let mut idx = 0; . 823 ( 0.00%) for pat in alternatives.extract_if(.., |p| { . // Check if we should extract, but only if `idx >= start`. 600 ( 0.00%) idx += 1; 456 ( 0.00%) idx > start && predicate(&p.kind) . }) { . tail_or.push(extract(pat.kind)); . } . 66 ( 0.00%) tail_or . } . . fn extend_with_matching( . target: &mut Pat, . start: usize, . alternatives: &mut ThinVec, . predicate: impl Fn(&PatKind) -> bool, . extract: impl Fn(PatKind) -> Pat, . ) -> bool { . extend_with_tail_or(target, drain_matching(start, alternatives, predicate, extract)) . } . . /// Are the patterns in `ps1` and `ps2` equal save for `ps1[idx]` compared to `ps2[idx]`? . fn eq_pre_post(ps1: &[Pat], ps2: &[Pat], idx: usize) -> bool { 14 ( 0.00%) ps1.len() == ps2.len() 55 ( 0.00%) && ps1[idx].is_rest() == ps2[idx].is_rest() // Avoid `[x, ..] | [x, 0]` => `[x, .. | 0]`. . && over(&ps1[..idx], &ps2[..idx], eq_pat) 18 ( 0.00%) && over(&ps1[idx + 1..], &ps2[idx + 1..], eq_pat) . } 166,959 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_rem_euclid.rs -------------------------------------------------------------------------------- Ir -- line 43 ---------------------------------------- . . impl ManualRemEuclid { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for ManualRemEuclid { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { . // (x % c + c) % c 104,090 ( 0.00%) if let ExprKind::Binary(rem_op, rem_lhs, rem_rhs) = expr.kind 246 ( 0.00%) && rem_op.node == BinOpKind::Rem . && let ExprKind::Binary(add_op, add_lhs, add_rhs) = rem_lhs.kind . && add_op.node == BinOpKind::Add . && let ctxt = expr.span.ctxt() . && rem_lhs.span.ctxt() == ctxt . && rem_rhs.span.ctxt() == ctxt . && add_lhs.span.ctxt() == ctxt . && add_rhs.span.ctxt() == ctxt . && !expr.span.in_external_macro(cx.sess().source_map()) -- line 62 ---------------------------------------- -- line 93 ---------------------------------------- . MANUAL_REM_EUCLID, . expr.span, . "manual `rem_euclid` implementation", . "consider using", . format!("{rem_of}.rem_euclid({const1})"), . app, . ); . } 416,360 ( 0.01%) } . } . . // Checks if either the left or right expressions can be an unsigned int constant and returns that . // constant along with the other expression unchanged if so . fn check_for_either_unsigned_int_constant<'a>( . cx: &'a LateContext<'_>, . ctxt: SyntaxContext, . left: &'a Expr<'_>, -- line 109 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/../../stdarch/crates/core_arch/src/x86/sse2.rs -------------------------------------------------------------------------------- Ir -- line 887 ---------------------------------------- . /// . /// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_or_si128) . #[inline] . #[target_feature(enable = "sse2")] . #[cfg_attr(test, assert_instr(orps))] . #[stable(feature = "simd_x86", since = "1.27.0")] . #[rustc_const_unstable(feature = "stdarch_const_x86", issue = "149298")] . pub const fn _mm_or_si128(a: __m128i, b: __m128i) -> __m128i { 51 ( 0.00%) unsafe { simd_or(a, b) } . } . . /// Computes the bitwise XOR of 128 bits (representing integer data) in `a` and . /// `b`. . /// . /// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_xor_si128) . #[inline] . #[target_feature(enable = "sse2")] -- line 903 ---------------------------------------- -- line 912 ---------------------------------------- . /// . /// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_cmpeq_epi8) . #[inline] . #[target_feature(enable = "sse2")] . #[cfg_attr(test, assert_instr(pcmpeqb))] . #[stable(feature = "simd_x86", since = "1.27.0")] . #[rustc_const_unstable(feature = "stdarch_const_x86", issue = "149298")] . pub const fn _mm_cmpeq_epi8(a: __m128i, b: __m128i) -> __m128i { 1,127 ( 0.00%) unsafe { transmute::(simd_eq(a.as_i8x16(), b.as_i8x16())) } . } . . /// Compares packed 16-bit integers in `a` and `b` for equality. . /// . /// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_cmpeq_epi16) . #[inline] . #[target_feature(enable = "sse2")] . #[cfg_attr(test, assert_instr(pcmpeqw))] -- line 928 ---------------------------------------- -- line 1613 ---------------------------------------- . #[target_feature(enable = "sse2")] . #[cfg_attr(test, assert_instr(pmovmskb))] . #[stable(feature = "simd_x86", since = "1.27.0")] . #[rustc_const_unstable(feature = "stdarch_const_x86", issue = "149298")] . pub const fn _mm_movemask_epi8(a: __m128i) -> i32 { . unsafe { . let z = i8x16::ZERO; . let m: i8x16 = simd_lt(a.as_i8x16(), z); 218,995 ( 0.00%) simd_bitmask::<_, u16>(m) as u32 as i32 . } . } . . /// Shuffles 32-bit integers in `a` using the control in `IMM8`. . /// . /// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_shuffle_epi32) . #[inline] . #[target_feature(enable = "sse2")] -- line 1629 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/collapsible_if.rs -------------------------------------------------------------------------------- Ir -- line 90 ---------------------------------------- . pub fn new(conf: &'static Conf) -> Self { . Self { . msrv: conf.msrv.into(), . lint_commented_code: conf.lint_commented_code, . } . } . . fn check_collapsible_else_if(&self, cx: &LateContext<'_>, then_span: Span, else_block: &Block<'_>) { 96 ( 0.00%) if let Some(else_) = expr_block(else_block) 108 ( 0.00%) && !else_.span.from_expansion() 75 ( 0.00%) && let ExprKind::If(else_if_cond, ..) = else_.kind 11 ( 0.00%) && self.check_significant_tokens_and_expect_attrs(cx, else_block, else_, sym::collapsible_else_if) 1,474 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/collapsible_if.rs:::check_significant_tokens_and_expect_attrs (1x) . { . span_lint_hir_and_then( . cx, . COLLAPSIBLE_ELSE_IF, . else_.hir_id, . else_block.span, . "this `else { if .. }` block can be collapsed", . |diag| { -- line 109 ---------------------------------------- -- line 160 ---------------------------------------- . ), . applicability, . ); . }, . ); . } . } . 640 ( 0.00%) fn check_collapsible_if_if(&self, cx: &LateContext<'_>, expr: &Expr<'_>, check: &Expr<'_>, then: &Block<'_>) { . if let Some(inner) = expr_block(then) 174 ( 0.00%) && let ExprKind::If(check_inner, _, None) = &inner.kind . && self.eligible_condition(cx, check_inner) . && expr.span.eq_ctxt(inner.span) . && self.check_significant_tokens_and_expect_attrs(cx, then, inner, sym::collapsible_if) . && let then_closing_bracket = { . let end = then.span.shrink_to_hi(); . end.with_lo(end.lo() - BytePos(1)) . } . && !span_contains_cfg(cx, inner.span.between(then_closing_bracket)) -- line 178 ---------------------------------------- -- line 209 ---------------------------------------- . . sugg.extend(parens_around(check)); . sugg.extend(parens_around(check_inner)); . . diag.multipart_suggestion("collapse nested if block", sugg, Applicability::MachineApplicable); . }, . ); . } 640 ( 0.00%) } . . fn eligible_condition(&self, cx: &LateContext<'_>, cond: &Expr<'_>) -> bool { 1,010 ( 0.00%) !matches!(cond.kind, ExprKind::Let(..)) || can_use_if_let_chains(cx, self.msrv) 510 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::can_use_if_let_chains (85x) . } . . // Check that nothing significant can be found between the initial `{` of `inner_if` and . // the beginning of `inner_if_expr`... . // . // Unless it's only an `#[expect(clippy::collapsible{,_else}_if)]` attribute, in which case we . // _do_ need to lint, in order to actually fulfill its expectation (#13365) 12 ( 0.00%) fn check_significant_tokens_and_expect_attrs( . &self, . cx: &LateContext<'_>, . inner_if: &Block<'_>, . inner_if_expr: &Expr<'_>, . expected_lint_name: Symbol, . ) -> bool { 4 ( 0.00%) match cx.tcx.hir_attrs(inner_if_expr.hir_id) { 101 ( 0.00%) => ???:::hir_attrs (1x) 4 ( 0.00%) [] => { . // There aren't any attributes, so just check for significant tokens 6 ( 0.00%) let span = inner_if.span.split_at(1).1.until(inner_if_expr.span); 104 ( 0.00%) => ???:::until (1x) 92 ( 0.00%) => ???:::split_at (1x) 1 ( 0.00%) !span_contains_non_whitespace(cx, span, self.lint_commented_code) . }, . . [attr] . if matches!(Level::from_opt_symbol(attr.name()), Some(Level::Expect)) . && let Some(metas) = attr.meta_item_list() . && let Some(MetaItemInner::MetaItem(meta_item)) = metas.first() . && let [tool, lint_name] = meta_item.path.segments.as_slice() . && tool.ident.name == sym::clippy -- line 247 ---------------------------------------- -- line 252 ---------------------------------------- . let span_after_attr = attr.span().between(inner_if_expr.span); . !span_contains_non_whitespace(cx, span_before_attr, self.lint_commented_code) . && !span_contains_non_whitespace(cx, span_after_attr, self.lint_commented_code) . }, . . // There are other attributes, which are significant tokens -- check failed . _ => false, . } 9 ( 0.00%) } . } . . impl LateLintPass<'_> for CollapsibleIf { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { 104,090 ( 0.00%) if let ExprKind::If(cond, then, else_) = &expr.kind 768 ( 0.00%) && !expr.span.from_expansion() . { 882 ( 0.00%) if let Some(else_) = else_ . // Short circuit if both `if` branches contain only a single `if {..} else {}`, as . // collapsing such blocks can lead to less readable code (#4971) 157 ( 0.00%) && !(single_inner_if_else(then) && single_inner_if_else(else_)) 477 ( 0.00%) && let ExprKind::Block(else_, None) = else_.kind . { 73 ( 0.00%) self.check_collapsible_else_if(cx, then.span, else_); . } else if else_.is_none() 500 ( 0.00%) && self.eligible_condition(cx, cond) 480 ( 0.00%) && let ExprKind::Block(then, None) = then.kind . { 1,120 ( 0.00%) self.check_collapsible_if_if(cx, expr, cond, then); 2,169 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/collapsible_if.rs:::check_collapsible_if_if (80x) . } . } 415,720 ( 0.01%) } . } . . /// Returns true if `expr` is a block that contains only one `if {..} else {}` statement . fn single_inner_if_else(expr: &Expr<'_>) -> bool { 658 ( 0.00%) if let ExprKind::Block(block, None) = expr.kind 148 ( 0.00%) && let Some(inner_expr) = expr_block(block) 176 ( 0.00%) && let ExprKind::If(_, _, else_) = inner_expr.kind . && else_.is_some() . { . true . } else { . false . } . } . . /// If `block` is a block with either one expression or a statement containing an expression, . /// return the expression. We don't peel blocks recursively, as extra blocks might be intentional. . fn expr_block<'tcx>(block: &Block<'tcx>) -> Option<&'tcx Expr<'tcx>> { 774 ( 0.00%) match (block.stmts, block.expr) { 924 ( 0.00%) ([], expr) => expr, 236 ( 0.00%) ([stmt], None) if let StmtKind::Semi(expr) = stmt.kind => Some(expr), . _ => None, . } . } . . /// If the expression is a `||`, suggest parentheses around it. . pub(super) fn parens_around(expr: &Expr<'_>) -> Vec<(Span, String)> { . if let ExprKind::Binary(op, _, _) = expr.peel_drop_temps().kind . && op.node == BinOpKind::Or -- line 311 ---------------------------------------- 312 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/iter.rs -------------------------------------------------------------------------------- Ir -- line 94 ---------------------------------------- . pub(super) const fn new(slice: &'a [T]) -> Self { . let len = slice.len(); . let ptr: NonNull = NonNull::from_ref(slice).cast(); . // SAFETY: Similar to `IterMut::new`. . unsafe { . let end_or_len = . if T::IS_ZST { without_provenance(len) } else { ptr.as_ptr().add(len) }; . 106 ( 0.00%) Self { ptr, end_or_len, _marker: PhantomData } . } . } . . /// Views the underlying data as a subslice of the original data. . /// . /// # Examples . /// . /// Basic usage: -- line 110 ---------------------------------------- -- line 1347 ---------------------------------------- . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl<'a, T> Iterator for Windows<'a, T> { . type Item = &'a [T]; . . #[inline] . fn next(&mut self) -> Option<&'a [T]> { 64,320 ( 0.00%) if self.size.get() > self.v.len() { . None . } else { . let ret = Some(&self.v[..self.size.get()]); . self.v = &self.v[1..]; . ret . } . } . . #[inline] . fn size_hint(&self) -> (usize, Option) { 78 ( 0.00%) if self.size.get() > self.v.len() { . (0, Some(0)) . } else { . let size = self.v.len() - self.size.get() + 1; . (size, Some(size)) . } . } . . #[inline] -- line 1374 ---------------------------------------- 23,124 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/useless_conversion.rs -------------------------------------------------------------------------------- Ir -- line 125 ---------------------------------------- . } . } . } . . into_iter_span . } . . /// Extracts the receiver of a `.into_iter()` method call. 8 ( 0.00%) fn into_iter_call<'hir>(cx: &LateContext<'_>, expr: &'hir Expr<'hir>) -> Option<&'hir Expr<'hir>> { 36 ( 0.00%) if let ExprKind::MethodCall(name, recv, [], _) = expr.kind 866 ( 0.00%) && name.ident.name == sym::into_iter 60 ( 0.00%) && cx.ty_based_def(expr).opt_parent(cx).is_diag_item(cx, sym::IntoIterator) . { . Some(recv) . } else { . None . } 8 ( 0.00%) } . . /// Same as [`into_iter_call`], but tries to look for the innermost `.into_iter()` call, e.g.: . /// `foo.into_iter().into_iter()` . /// ^^^ we want this expression . fn into_iter_deep_call<'hir>(cx: &LateContext<'_>, mut expr: &'hir Expr<'hir>) -> (&'hir Expr<'hir>, usize) { . let mut depth = 0; . while let Some(recv) = into_iter_call(cx, expr) { . expr = recv; . depth += 1; . } . (expr, depth) . } . . #[expect(clippy::too_many_lines)] . impl<'tcx> LateLintPass<'tcx> for UselessConversion { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 104,090 ( 0.00%) if e.span.from_expansion() { 125,634 ( 0.00%) if e.span.desugaring_kind().is_none() { 4,029,048 ( 0.07%) => ???:::desugaring_kind (41,878x) 39,899 ( 0.00%) self.expn_depth += 1; . } . return; . } . 326 ( 0.00%) if Some(&e.hir_id) == self.try_desugar_arm.last() { . return; . } . 67,933 ( 0.00%) match e.kind { 55 ( 0.00%) ExprKind::Match(_, arms, MatchSource::TryDesugar(_)) => { 660 ( 0.00%) let (ExprKind::Ret(Some(e)) | ExprKind::Break(_, Some(e))) = arms[0].body.kind else { . return; . }; 330 ( 0.00%) if let ExprKind::Call(_, [arg, ..]) = e.kind { 55 ( 0.00%) self.try_desugar_arm.push(arg.hir_id); . } . }, . 6,399 ( 0.00%) ExprKind::MethodCall(path, recv, [arg], _) => { . if matches!( 386 ( 0.00%) path.ident.name, 2,316 ( 0.00%) sym::map | sym::map_err | sym::map_break | sym::map_continue 434 ( 0.00%) ) && has_eligible_receiver(cx, recv, e) 20 ( 0.00%) && matches!( 156 ( 0.00%) arg.res(cx).assoc_parent(cx).opt_diag_name(cx), 1,287 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/res.rs:::assoc_parent:: (78x) . Some(sym::Into | sym::From) . ) 20 ( 0.00%) && let ty::FnDef(_, args) = cx.typeck_results().expr_ty(arg).kind() 160 ( 0.00%) => ???:::expr_ty (4x) 44 ( 0.00%) && let &[from_ty, to_ty] = args.no_bound_vars().unwrap().into_type_list(cx.tcx).as_slice() 619 ( 0.00%) => ???:>::into_type_list (4x) 136 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_type_ir/src/binder.rs:>>::no_bound_vars (4x) 12 ( 0.00%) && same_type_modulo_regions(from_ty, to_ty) 100 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::same_type_modulo_regions (4x) . { . span_lint_and_then( . cx, . USELESS_CONVERSION, . e.span.with_lo(recv.span.hi()), . format!("useless conversion to the same type: `{from_ty}`"), . |diag| { . diag.suggest_remove_item( -- line 199 ---------------------------------------- -- line 202 ---------------------------------------- . "consider removing", . Applicability::MachineApplicable, . ); . }, . ); . } . }, . 1,724 ( 0.00%) ExprKind::MethodCall(name, recv, [], _) => { 1,156 ( 0.00%) if name.ident.name == sym::into && cx.ty_based_def(e).opt_parent(cx).is_diag_item(cx, sym::Into) { 2,436 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/res.rs: as clippy_utils::res::MaybeDef>::opt_parent:: (21x) 105 ( 0.00%) let a = cx.typeck_results().expr_ty(e); 840 ( 0.00%) => ???:::expr_ty (21x) 84 ( 0.00%) let b = cx.typeck_results().expr_ty(recv); 840 ( 0.00%) => ???:::expr_ty (21x) 105 ( 0.00%) if same_type_modulo_regions(a, b) { 542 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::same_type_modulo_regions (21x) . let mut app = Applicability::MachineApplicable; . let sugg = snippet_with_context(cx, recv.span, e.span.ctxt(), "", &mut app).0; . span_lint_and_sugg( . cx, . USELESS_CONVERSION, . e.span, . format!("useless conversion to the same type: `{b}`"), . "consider removing `.into()`", . sugg.into_owned(), . app, . ); . } . } 2,523 ( 0.00%) if let Some(into_iter_recv) = into_iter_call(cx, e) . // Make sure that there is no parent expression, or if there is, make sure it's not a `.into_iter()` call. . // The reason for that is that we only want to lint once (the outermost call) . // in cases like `foo.into_iter().into_iter()` 68 ( 0.00%) && get_parent_expr(cx, e) 990 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (10x) 32 ( 0.00%) .and_then(|parent| into_iter_call(cx, parent)) 96 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/useless_conversion.rs:clippy_lints::useless_conversion::into_iter_call (8x) . .is_none() . { 60 ( 0.00%) if let Some(parent) = get_parent_expr(cx, e) { 990 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (10x) 24 ( 0.00%) let parent_fn = match parent.kind { . ExprKind::Call(recv, args) . if let ExprKind::Path(ref qpath) = recv.kind . && let Some(did) = cx.qpath_res(qpath, recv.hir_id).opt_def_id() . // make sure that the path indeed points to a fn-like item, so that . // `fn_sig` does not ICE. (see #11065) . && cx.tcx.def_kind(did).is_fn_like() => . { . Some(( . did, . args, . cx.typeck_results().node_args(recv.hir_id), . MethodOrFunction::Function, . )) . }, 16 ( 0.00%) ExprKind::MethodCall(.., args, _) => { 32 ( 0.00%) cx.typeck_results().type_dependent_def_id(parent.hir_id).map(|did| { 408 ( 0.00%) => ???:::type_dependent_def_id (8x) . ( . did, . args, 40 ( 0.00%) cx.typeck_results().node_args(parent.hir_id), 312 ( 0.00%) => ???:::node_args (8x) . MethodOrFunction::Method, . ) . }) . }, . _ => None, . }; . . if let Some((parent_fn_did, args, node_args, kind)) = parent_fn 56 ( 0.00%) && let Some(into_iter_did) = cx.tcx.get_diagnostic_item(sym::IntoIterator) 576 ( 0.00%) => ???:::get_diagnostic_item (8x) . && let sig = cx.tcx.fn_sig(parent_fn_did).skip_binder().skip_binder() . && let Some(arg_pos) = args.iter().position(|x| x.hir_id == e.hir_id) . && let Some(&into_iter_param) = sig.inputs().get(kind.param_pos(arg_pos)) . && let ty::Param(param) = into_iter_param.kind() . && let Some(span) = into_iter_bound( . cx, . parent_fn_did, . into_iter_did, -- line 274 ---------------------------------------- -- line 308 ---------------------------------------- . ); . . // Early return to avoid linting again with contradicting suggestions . return; . } . } . . if let Some(id) = recv.res_local_id() 12 ( 0.00%) && let Node::Pat(pat) = cx.tcx.hir_node(id) 156 ( 0.00%) => ???:::hir_node (3x) 6 ( 0.00%) && let PatKind::Binding(ann, ..) = pat.kind 6 ( 0.00%) && ann != BindingMode::MUT . { . // Do not remove .into_iter() applied to a non-mutable local variable used in . // a larger expression context as it would differ in mutability. . return; . } . 35 ( 0.00%) let iter_ty = cx.typeck_results().expr_ty(e); 280 ( 0.00%) => ???:::expr_ty (7x) 35 ( 0.00%) let into_iter_ty = cx.typeck_results().expr_ty(recv); 280 ( 0.00%) => ???:::expr_ty (7x) . . // If the types are identical then .into_iter() can be removed, unless the type . // implements Copy, in which case .into_iter() returns a copy of the receiver and . // cannot be safely omitted. 35 ( 0.00%) if same_type_modulo_regions(iter_ty, into_iter_ty) && !is_copy(cx, into_iter_ty) { 182 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::same_type_modulo_regions (7x) . // Below we check if the parent method call meets the following conditions: . // 1. First parameter is `&mut self` (requires mutable reference) . // 2. Second parameter implements the `FnMut` trait (e.g., Iterator::any) . // For methods satisfying these conditions (like any), .into_iter() must be preserved. . if let Some(parent) = get_parent_expr(cx, e) . && let ExprKind::MethodCall(_, recv, _, _) = parent.kind . && recv.hir_id == e.hir_id . && let Some(def_id) = cx.typeck_results().type_dependent_def_id(parent.hir_id) -- line 339 ---------------------------------------- -- line 388 ---------------------------------------- . e.span, . format!("useless conversion to the same type: `{into_iter_ty}`"), . "consider removing `.into_iter()`", . sugg, . applicability, . ); . } . } 859 ( 0.00%) if name.ident.name == sym::try_into . && cx.ty_based_def(e).opt_parent(cx).is_diag_item(cx, sym::TryInto) . && let a = cx.typeck_results().expr_ty(e) . && let b = cx.typeck_results().expr_ty(recv) . && a.is_diag_item(cx, sym::Result) . && let ty::Adt(_, args) = a.kind() . && let Some(a_type) = args.types().next() . && same_type_modulo_regions(a_type, b) . { -- line 404 ---------------------------------------- -- line 408 ---------------------------------------- . e.span, . format!("useless conversion to the same type: `{b}`"), . None, . "consider removing `.try_into()`", . ); . } . }, . 1,681 ( 0.00%) ExprKind::Call(path, [arg]) => { 903 ( 0.00%) if let ExprKind::Path(ref qpath) = path.kind 1,806 ( 0.00%) && !is_ty_alias(qpath) 5,113 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_ty_alias (301x) 1,505 ( 0.00%) && let Some(def_id) = cx.qpath_res(qpath, path.hir_id).opt_def_id() 8,408 ( 0.00%) => ???:::qpath_res (301x) 1,764 ( 0.00%) && let Some(name) = cx.tcx.get_diagnostic_name(def_id) 16,028 ( 0.00%) => ???:::get_diagnostic_name (294x) . { 51 ( 0.00%) let a = cx.typeck_results().expr_ty(e); 680 ( 0.00%) => ???:::expr_ty (17x) 68 ( 0.00%) let b = cx.typeck_results().expr_ty(arg); 680 ( 0.00%) => ???:::expr_ty (17x) 42 ( 0.00%) if name == sym::try_from_fn . && a.is_diag_item(cx, sym::Result) . && let ty::Adt(_, args) = a.kind() . && let Some(a_type) = args.types().next() . && same_type_modulo_regions(a_type, b) . { . let hint = format!("consider removing `{}()`", snippet(cx, path.span, "TryFrom::try_from")); . span_lint_and_help( . cx, . USELESS_CONVERSION, . e.span, . format!("useless conversion to the same type: `{b}`"), . None, . hint, . ); 52 ( 0.00%) } else if name == sym::from_fn && same_type_modulo_regions(a, b) { 317 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::same_type_modulo_regions (13x) . let mut app = Applicability::MachineApplicable; . let sugg = Sugg::hir_with_context(cx, arg, e.span.ctxt(), "", &mut app).maybe_paren(); . let sugg_msg = format!("consider removing `{}()`", snippet(cx, path.span, "From::from")); . span_lint_and_sugg( . cx, . USELESS_CONVERSION, . e.span, . format!("useless conversion to the same type: `{b}`"), -- line 447 ---------------------------------------- -- line 450 ---------------------------------------- . app, . ); . } . } . }, . . _ => {}, . } 416,360 ( 0.01%) } . . fn check_expr_post(&mut self, _: &LateContext<'tcx>, e: &'tcx Expr<'_>) { 566 ( 0.00%) if Some(&e.hir_id) == self.try_desugar_arm.last() { . self.try_desugar_arm.pop(); . } 229,724 ( 0.00%) if e.span.from_expansion() && e.span.desugaring_kind().is_none() { 4,029,048 ( 0.07%) => ???:::desugaring_kind (41,878x) 39,899 ( 0.00%) self.expn_depth -= 1; . } . } . } . . fn has_eligible_receiver(cx: &LateContext<'_>, recv: &Expr<'_>, expr: &Expr<'_>) -> bool { 234 ( 0.00%) if cx.ty_based_def(expr).opt_parent(cx).is_impl(cx) { 68 ( 0.00%) matches!( 51 ( 0.00%) cx.typeck_results().expr_ty(recv).opt_diag_name(cx), 680 ( 0.00%) => ???:::expr_ty (17x) . Some(sym::Option | sym::Result | sym::ControlFlow) . ) . } else { 122 ( 0.00%) cx.ty_based_def(expr).opt_parent(cx).is_diag_item(cx, sym::Iterator) . } . } . . fn adjustments(cx: &LateContext<'_>, expr: &Expr<'_>) -> String { . let mut prefix = String::new(); . . let adjustments = cx.typeck_results().expr_adjustments(expr); . -- line 485 ---------------------------------------- 1,420 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/rc_clone_in_vec_init.rs -------------------------------------------------------------------------------- Ir -- line 44 ---------------------------------------- . pub RC_CLONE_IN_VEC_INIT, . suspicious, . "initializing reference-counted pointer in `vec![elem; len]`" . } . . declare_lint_pass!(RcCloneInVecInit => [RC_CLONE_IN_VEC_INIT]); . . impl LateLintPass<'_> for RcCloneInVecInit { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { 1,164 ( 0.00%) let Some(macro_call) = root_macro_call_first_node(cx, expr) else { . return; . }; 1,940 ( 0.00%) let Some(VecArgs::Repeat(elem, len)) = VecArgs::hir(cx, expr) else { 28,016 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (388x) . return; . }; . let Some((symbol, func_span)) = ref_init(cx, elem) else { . return; . }; . . emit_lint(cx, symbol, macro_call.span, elem, len, func_span); 416,360 ( 0.01%) } . } . . fn loop_init_suggestion(elem: &str, len: &str, indent: &str) -> String { . format!( . r"{{ . {indent} let mut v = Vec::with_capacity({len}); . {indent} (0..{len}).for_each(|_| v.push({elem})); . {indent} v -- line 72 ---------------------------------------- 388 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/rustc-src/rust/compiler/rustc_type_ir/src/flags.rs -------------------------------------------------------------------------------- Ir . use crate::inherent::*; . use crate::visit::Flags; . use crate::{self as ty, Interner, Region}; . 701,122 ( 0.01%) bitflags::bitflags! { . /// Flags that we track on types. These flags are propagated upwards . /// through the type during type construction, so that we can quickly check . /// whether the type has various kinds of types in it without recursing . /// over the type itself. . #[derive(Debug, PartialEq, Eq, Clone, Copy)] . pub struct TypeFlags: u32 { . // Does this have parameters? Used to determine whether instantiation is . // required. -- line 13 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/manual_strip.rs -------------------------------------------------------------------------------- Ir -- line 63 ---------------------------------------- . . #[derive(Clone, Copy, Debug, Eq, PartialEq)] . enum StripKind { . Prefix, . Suffix, . } . . impl<'tcx> LateLintPass<'tcx> for ManualStrip { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { . if let Some(higher::If { cond, then, .. }) = higher::If::hir(expr) 676 ( 0.00%) && let ExprKind::MethodCall(_, target_arg, [pattern], _) = cond.kind 20 ( 0.00%) && let ExprKind::Path(target_path) = &target_arg.kind 10 ( 0.00%) && let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(cond.hir_id) 102 ( 0.00%) => ???:::type_dependent_def_id (2x) . { 16 ( 0.00%) let strip_kind = match cx.tcx.get_diagnostic_name(method_def_id) { 86 ( 0.00%) => ???:::get_diagnostic_name (2x) . Some(sym::str_starts_with) => StripKind::Prefix, . Some(sym::str_ends_with) => StripKind::Suffix, . _ => return, . }; . let target_res = cx.qpath_res(target_path, target_arg.hir_id); . if target_res == Res::Err { . return; . } -- line 85 ---------------------------------------- -- line 144 ---------------------------------------- . ) . .collect(), . app, . ); . }, . ); . } . } 416,360 ( 0.01%) } . } . . // Returns `Some(arg)` if `expr` matches `arg.len()` and `None` otherwise. . fn len_arg<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> Option<&'tcx Expr<'tcx>> { . if let ExprKind::MethodCall(_, arg, [], _) = expr.kind . && let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) . && cx.tcx.is_diagnostic_item(sym::str_len, method_def_id) . { -- line 160 ---------------------------------------- 4 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/casts/cast_slice_different_sizes.rs -------------------------------------------------------------------------------- Ir -- line 4 ---------------------------------------- . use rustc_ast::Mutability; . use rustc_hir::{Expr, ExprKind, Node}; . use rustc_lint::LateContext; . use rustc_middle::ty::layout::LayoutOf as _; . use rustc_middle::ty::{self, Ty, TypeAndMut}; . . use super::CAST_SLICE_DIFFERENT_SIZES; . 572,495 ( 0.01%) pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>, msrv: Msrv) { . // if this cast is the child of another cast expression then don't emit something for it, the full . // chain will be analyzed 196,618 ( 0.00%) if is_child_of_cast(cx, expr) { . return; . } . 52,036 ( 0.00%) if let Some(CastChainInfo { . left_cast, . start_ty, . end_ty, 260,180 ( 0.00%) }) = expr_cast_chain_tys(cx, expr) 1,264,778 ( 0.02%) => site/frontend/rust-clippy/clippy_lints/src/casts/cast_slice_different_sizes.rs:clippy_lints::casts::cast_slice_different_sizes::expr_cast_chain_tys (52,036x) . && let (Ok(from_layout), Ok(to_layout)) = (cx.layout_of(start_ty.ty), cx.layout_of(end_ty.ty)) . { . let from_size = from_layout.size.bytes(); . let to_size = to_layout.size.bytes(); . if from_size != to_size . && from_size != 0 . && to_size != 0 . && msrv.meets(cx, msrvs::PTR_SLICE_RAW_PARTS) -- line 31 ---------------------------------------- -- line 58 ---------------------------------------- . format!("replace with `ptr::slice_from_raw_parts{mutbl_fn_str}`"), . sugg, . rustc_errors::Applicability::HasPlaceholders, . ); . }, . ); . } . } 416,360 ( 0.01%) } . . fn is_child_of_cast(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { 104,090 ( 0.00%) let parent = cx.tcx.parent_hir_node(expr.hir_id); 4,579,960 ( 0.08%) => ???:::parent_hir_node (52,045x) 256,405 ( 0.00%) let expr = match parent { 1,910 ( 0.00%) Node::Block(block) => { 5,730 ( 0.00%) if let Some(parent_expr) = block.expr { . parent_expr . } else { . return false; . } . }, 77,146 ( 0.00%) Node::Expr(expr) => expr, . _ => return false, . }; . 40,483 ( 0.00%) matches!(expr.kind, ExprKind::Cast(..)) . } . . /// Returns the type T of the pointed to *const [T] or *mut [T] and the mutability of the slice if . /// the type is one of those slices . fn get_raw_slice_ty_mut(ty: Ty<'_>) -> Option> { 18 ( 0.00%) match ty.kind() { . ty::RawPtr(slice_ty, mutbl) => match slice_ty.kind() { . ty::Slice(ty) => Some(TypeAndMut { ty: *ty, mutbl: *mutbl }), . _ => None, . }, . _ => None, . } . } . -- line 96 ---------------------------------------- -- line 102 ---------------------------------------- . start_ty: TypeAndMut<'tcx>, . /// The final type of the cast chain . end_ty: TypeAndMut<'tcx>, . } . . /// Returns a `CastChainInfo` with the left-most cast in the chain and the original ptr T and final . /// ptr U if the expression is composed of casts. . /// Returns None if the expr is not a Cast 416,288 ( 0.01%) fn expr_cast_chain_tys<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) -> Option> { 52,027 ( 0.00%) if let ExprKind::Cast(cast_expr, _cast_to_hir_ty) = expr.peel_blocks().kind { 27 ( 0.00%) let cast_to = cx.typeck_results().expr_ty(expr); 360 ( 0.00%) => ???:::expr_ty (9x) . let to_slice_ty = get_raw_slice_ty_mut(cast_to)?; . . // If the expression that makes up the source of this cast is itself a cast, recursively . // call `expr_cast_chain_tys` and update the end type with the final target type. . // Otherwise, this cast is not immediately nested, just construct the info for this cast . if let Some(prev_info) = expr_cast_chain_tys(cx, cast_expr) { . Some(CastChainInfo { . end_ty: to_slice_ty, -- line 120 ---------------------------------------- -- line 125 ---------------------------------------- . let from_slice_ty = get_raw_slice_ty_mut(cast_from)?; . Some(CastChainInfo { . left_cast: cast_expr, . start_ty: from_slice_ty, . end_ty: to_slice_ty, . }) . } . } else { 52,027 ( 0.00%) None . } 416,288 ( 0.01%) } 156,117 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/indexing_slicing.rs -------------------------------------------------------------------------------- Ir -- line 104 ---------------------------------------- . Self { . allow_indexing_slicing_in_tests: conf.allow_indexing_slicing_in_tests, . suppress_restriction_lint_in_const: conf.suppress_restriction_lint_in_const, . } . } . } . . impl<'tcx> LateLintPass<'tcx> for IndexingSlicing { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 104,090 ( 0.00%) if let ExprKind::Index(array, index, _) = &expr.kind 70 ( 0.00%) && (!self.suppress_restriction_lint_in_const || !cx.tcx.hir_is_inside_const_context(expr.hir_id)) 175 ( 0.00%) && let expr_ty = cx.typeck_results().expr_ty(array) 1,400 ( 0.00%) => ???:::expr_ty (35x) . && let mut deref = deref_chain(cx, expr_ty) . && deref.any(|l| { . l.peel_refs().is_slice() . || l.peel_refs().is_array() . || ty_has_applicable_get_function(cx, l.peel_refs(), expr_ty, expr) . }) 56 ( 0.00%) && !is_from_proc_macro(cx, expr) . { 140 ( 0.00%) let note = "the suggestion might not be applicable in constant blocks"; 56 ( 0.00%) let ty = cx.typeck_results().expr_ty(array).peel_refs(); 1,120 ( 0.00%) => ???:::expr_ty (28x) 56 ( 0.00%) let allowed_in_tests = self.allow_indexing_slicing_in_tests && is_in_test(cx.tcx, expr.hir_id); 186 ( 0.00%) if let Some(range) = higher::Range::hir(cx, index) { 4,758 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (28x) . // Ranged indexes, i.e., &x[n..m], &x[n..], &x[..n] and &x[..] 18 ( 0.00%) if let ty::Array(_, s) = ty.kind() { . let size: u128 = if let Some(size) = s.try_to_target_usize(cx.tcx) { . size.into() . } else { . return; . }; . . let const_range = to_const_range(cx, range, size); . -- line 137 ---------------------------------------- -- line 161 ---------------------------------------- . . if let (Some(_), Some(_)) = const_range { . // early return because both start and end are constants . // and we have proven above that they are in bounds . return; . } . } . 54 ( 0.00%) let help_msg = match (range.start, range.end) { 12 ( 0.00%) (None, Some(_)) => "consider using `.get(..n)`or `.get_mut(..n)` instead", . (Some(_), None) => "consider using `.get(n..)` or .get_mut(n..)` instead", . (Some(_), Some(_)) => "consider using `.get(n..m)` or `.get_mut(n..m)` instead", . (None, None) => return, // [..] is ok. . }; . 6 ( 0.00%) if allowed_in_tests { . return; . } . 39 ( 0.00%) span_lint_and_then(cx, INDEXING_SLICING, expr.span, "slicing may panic", |diag| { 5,110 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/diagnostics.rs:clippy_utils::diagnostics::span_lint_and_then::::check_expr::{closure#3}> (3x) . diag.help(help_msg); . . if cx.tcx.hir_is_inside_const_context(expr.hir_id) { . diag.note(note); . } . }); . } else { . // Catchall non-range index, i.e., [n] or [n << m] 38 ( 0.00%) if let ty::Array(..) = ty.kind() { . // Index is a const block. . if let ExprKind::ConstBlock(..) = index.kind { . return; . } . // Index is a constant uint. . if let Some(constant) = ConstEvalCtxt::new(cx).eval(index) { . // only `usize` index is legal in rust array index . // leave other type to rustc -- line 197 ---------------------------------------- -- line 210 ---------------------------------------- . span_lint(cx, OUT_OF_BOUNDS_INDEXING, expr.span, "index is out of bounds"); . } . } . // Let rustc's `const_err` lint handle constant `usize` indexing on arrays. . return; . } . } . 38 ( 0.00%) if allowed_in_tests { . return; . } . 266 ( 0.00%) span_lint_and_then(cx, INDEXING_SLICING, expr.span, "indexing may panic", |diag| { 26,775 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/diagnostics.rs:clippy_utils::diagnostics::span_lint_and_then::::check_expr::{closure#4}> (19x) . diag.help("consider using `.get(n)` or `.get_mut(n)` instead"); . . if cx.tcx.hir_is_inside_const_context(expr.hir_id) { . diag.note(note); . } . }); . } . } 416,360 ( 0.01%) } . } . . /// Returns a tuple of options with the start and end (exclusive) values of . /// the range. If the start or end is not constant, None is returned. . fn to_const_range(cx: &LateContext<'_>, range: higher::Range<'_>, array_size: u128) -> (Option, Option) { . let ecx = ConstEvalCtxt::new(cx); . let s = range.start.map(|expr| ecx.eval(expr)); . let start = match s { -- line 239 ---------------------------------------- -- line 261 ---------------------------------------- . /// Checks if the output Ty of the `get` method on this Ty (if any) matches the Ty returned by the . /// indexing operation (if any). . fn ty_has_applicable_get_function<'tcx>( . cx: &LateContext<'tcx>, . ty: Ty<'tcx>, . array_ty: Ty<'tcx>, . index_expr: &Expr<'_>, . ) -> bool { 92 ( 0.00%) if let ty::Adt(_, _) = array_ty.kind() 88 ( 0.00%) && let Some(get_output_ty) = get_adt_inherent_method(cx, ty, sym::get).map(|m| { 20,861 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/ty/mod.rs:clippy_utils::ty::get_adt_inherent_method (22x) . cx.tcx 14 ( 0.00%) .fn_sig(m.def_id) . .skip_binder() . .output() . .skip_binder() . }) 14 ( 0.00%) && let ty::Adt(def, args) = get_output_ty.kind() 49 ( 0.00%) && cx.tcx.is_diagnostic_item(sym::Option, def.0.did) 651 ( 0.00%) => ???:::is_diagnostic_item (7x) 7 ( 0.00%) && let Some(option_generic_param) = args.first() 21 ( 0.00%) && let generic_ty = option_generic_param.expect_ty().peel_refs() 35 ( 0.00%) => ???:::expect_ty (7x) . // FIXME: ideally this would handle type params and projections properly, for now just assume it's the same type 21 ( 0.00%) && (cx.typeck_results().expr_ty(index_expr).peel_refs() == generic_ty.peel_refs() 280 ( 0.00%) => ???:::expr_ty (7x) . || matches!(generic_ty.peel_refs().kind(), ty::Param(_) | ty::Alias(_, _))) . { . true . } else { . false . } . } 678 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/else_if_without_else.rs -------------------------------------------------------------------------------- Ir -- line 42 ---------------------------------------- . restriction, . "`if` expression with an `else if`, but without a final `else` branch" . } . . declare_lint_pass!(ElseIfWithoutElse => [ELSE_IF_WITHOUT_ELSE]); . . impl EarlyLintPass for ElseIfWithoutElse { . fn check_expr(&mut self, cx: &EarlyContext<'_>, item: &Expr) { 99,728 ( 0.00%) if let ExprKind::If(_, _, Some(ref els)) = item.kind 370 ( 0.00%) && let ExprKind::If(_, _, None) = els.kind 6 ( 0.00%) && !item.span.in_external_macro(cx.sess().source_map()) . { . #[expect(clippy::collapsible_span_lint_calls, reason = "rust-clippy#7797")] 12 ( 0.00%) span_lint_and_then( 1,410 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/diagnostics.rs:clippy_utils::diagnostics::span_lint_and_then::::check_expr::{closure#0}> (2x) . cx, . ELSE_IF_WITHOUT_ELSE, 2 ( 0.00%) els.span, . "`if` expression with an `else if`, but without a final `else`", . |diag| { . diag.help("add an `else` block here"); . }, . ); . } . } . } -- line 66 ---------------------------------------- -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/useless_vec.rs -------------------------------------------------------------------------------- Ir -- line 43 ---------------------------------------- . /// work, we get a false positive warning on the `$v.push(3)` which really requires `$v` to . /// be a vector. . span_to_state: BTreeMap, . allow_in_test: bool, . } . . impl UselessVec { . pub fn new(conf: &'static Conf) -> Self { 5 ( 0.00%) Self { . too_large_for_stack: conf.too_large_for_stack, . msrv: conf.msrv.into(), . span_to_state: BTreeMap::new(), 2 ( 0.00%) allow_in_test: conf.allow_useless_vec_in_tests, . } . } . } . . declare_clippy_lint! { . /// ### What it does . /// Checks for usage of `vec![..]` when using `[..]` would . /// be possible. -- line 63 ---------------------------------------- -- line 102 ---------------------------------------- . /// Expression must be a `Vec<_>`. Type cannot change. . Impossible, . } . . impl UselessVec { . /// Checks if the surrounding environment requires this expression to actually be of type . /// `Vec<_>`, or if it can be changed to `&[]`/`[]` without causing type errors. . fn expr_usage_requires_vec(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) -> VecToArray { 34 ( 0.00%) match cx.tcx.parent_hir_node(expr.hir_id) { 440 ( 0.00%) => ???:::parent_hir_node (5x) . // search for `let foo = vec![_]` expressions where all uses of `foo` . // adjust to slices or call a method that exist on slices (e.g. len) . Node::LetStmt(LetStmt { . ty: None, . pat: . Pat { . kind: PatKind::Binding(_, id, ..), . .. -- line 118 ---------------------------------------- -- line 148 ---------------------------------------- . } . }, . // if the local pattern has a specified type, do not lint. . Node::LetStmt(LetStmt { ty: Some(_), .. }) if higher::VecArgs::hir(cx, expr).is_some() => { . VecToArray::Impossible . }, . // search for `for _ in vec![...]` . Node::Expr(expr) 18 ( 0.00%) if expr.span.is_desugaring(DesugaringKind::ForLoop) 288 ( 0.00%) => ???:::is_desugaring (3x) . && self.msrv.meets(cx, msrvs::ARRAY_INTO_ITERATOR) => . { . VecToArray::Possible . }, . // search for `&vec![_]` or `vec![_]` expressions where the adjusted type is `&[_]` . _ => { . if adjusts_to_slice(cx, expr) { . VecToArray::Possible -- line 164 ---------------------------------------- -- line 166 ---------------------------------------- . VecToArray::Impossible . } . }, . } . } . } . . impl<'tcx> LateLintPass<'tcx> for UselessVec { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { 208,190 ( 0.00%) if let Some(vec_args) = higher::VecArgs::hir(cx, expr.peel_borrows()) 11,049,113 ( 0.20%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (52,045x) . // The `vec![]` or `&vec![]` invocation span. 20 ( 0.00%) && let vec_span = expr.span.parent_callsite().unwrap_or(expr.span) 510 ( 0.00%) => ???:::parent_callsite (5x) . && !vec_span.from_expansion() . { 15 ( 0.00%) if self.allow_in_test && is_in_test(cx.tcx, expr.hir_id) { . return; . } . 5 ( 0.00%) match self.expr_usage_requires_vec(cx, expr) { . VecToArray::Possible => { . let suggest_ty = suggest_type(expr); . . // Size and `Copy` checks don't depend on the enclosing usage of the expression . // and don't need to be inserted into the state map. . let vec_snippet = match vec_args { . higher::VecArgs::Repeat(expr, len) => { . if is_copy(cx, cx.typeck_results().expr_ty(expr)) -- line 192 ---------------------------------------- -- line 228 ---------------------------------------- . entry.insert(VecState::Change { . suggest_ty, . vec_snippet, . expr_hir_id: expr.hir_id, . }); . } . }, . VecToArray::Impossible => { 60 ( 0.00%) self.span_to_state.insert(vec_span, VecState::NoChange); 1,260 ( 0.00%) => /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/collections/btree/map.rs:>::insert (5x) . }, . } . } 416,360 ( 0.01%) } . 8 ( 0.00%) fn check_crate_post(&mut self, cx: &LateContext<'tcx>) { 55 ( 0.00%) for (span, state) in mem::take(&mut self.span_to_state) { 5 ( 0.00%) if let VecState::Change { . suggest_ty, . vec_snippet, . expr_hir_id, 5 ( 0.00%) } = state . { . span_lint_hir_and_then(cx, USELESS_VEC, expr_hir_id, span, "useless use of `vec!`", |diag| { . let help_msg = format!("you can use {} directly", suggest_ty.desc()); . // If the `vec!` macro contains comment, better not make the suggestion machine applicable as it . // would remove them. . let applicability = if span_contains_comment(cx, span) { . Applicability::Unspecified . } else { . Applicability::MachineApplicable . }; . diag.span_suggestion(span, help_msg, vec_snippet, applicability); . }); . } . } 8 ( 0.00%) } . } . . #[derive(Copy, Clone)] . pub(crate) enum SuggestedType { . /// Suggest using a slice `&[..]` / `&mut [..]` . SliceRef(Mutability), . /// Suggest using an array: `[..]` . Array, -- line 271 ---------------------------------------- -- line 301 ---------------------------------------- . } . . fn size_of(cx: &LateContext<'_>, expr: &Expr<'_>) -> u64 { . let ty = cx.typeck_results().expr_ty_adjusted(expr); . cx.layout_of(ty).map_or(0, |l| l.size.bytes()) . } . . fn adjusts_to_slice(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { 20 ( 0.00%) matches!(cx.typeck_results().expr_ty_adjusted(e).kind(), ty::Ref(_, ty, _) if ty.is_slice()) 345 ( 0.00%) => ???:::expr_ty_adjusted (5x) . } . . fn suggest_type(expr: &Expr<'_>) -> SuggestedType { . if let ExprKind::AddrOf(BorrowKind::Ref, mutability, _) = expr.kind { . // `expr` is `&vec![_]`, so suggest `&[_]` (or `&mut[_]` resp.) . SuggestedType::SliceRef(mutability) . } else { . // `expr` is the `vec![_]` expansion, so suggest `[_]` -- line 317 ---------------------------------------- 39 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/returns/needless_return_with_question_mark.rs -------------------------------------------------------------------------------- Ir -- line 5 ---------------------------------------- . use rustc_hir::LangItem::ResultErr; . use rustc_hir::{Expr, ExprKind, HirId, MatchSource, Node, Stmt, StmtKind}; . use rustc_lint::{LateContext, LintContext as _}; . use rustc_middle::ty::adjustment::Adjust; . . use super::NEEDLESS_RETURN_WITH_QUESTION_MARK; . . pub(super) fn check_stmt<'tcx>(cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { 27,825 ( 0.00%) if let StmtKind::Semi(expr) = stmt.kind 15,298 ( 0.00%) && let ExprKind::Ret(Some(ret)) = expr.kind . // return Err(...)? desugars to a match . // over a Err(...).branch() . // which breaks down to a branch call, with the callee being . // the constructor of the Err variant 70 ( 0.00%) && let ExprKind::Match(maybe_cons, _, MatchSource::TryDesugar(_)) = ret.kind . && let ExprKind::Call(_, [maybe_result_err]) = maybe_cons.kind . && let ExprKind::Call(maybe_constr, _) = maybe_result_err.kind . && maybe_constr.res(cx).ctor_parent(cx).is_lang_item(cx, ResultErr) . . // Ensure this is not the final stmt, otherwise removing it would cause a compile error . && let block = cx.tcx.hir_body_owned_by(cx.tcx.hir_enclosing_body_owner(expr.hir_id)).value . && let ExprKind::Block(block, _) = peel_async_body(block).kind . && !is_inside_let_else(cx.tcx, expr) -- line 27 ---------------------------------------- -- line 36 ---------------------------------------- . NEEDLESS_RETURN_WITH_QUESTION_MARK, . expr.span.until(ret.span), . "unneeded `return` statement with `?` operator", . "remove it", . String::new(), . Applicability::MachineApplicable, . ); . } 10,124 ( 0.00%) } . . /// In async functions, the body is wrapped in a . /// `Block { expr: DropTemps(inner) }`. We peel through to `inner` so . /// we can check the actual stmts. . /// Returns `body_value` unchanged for non-async functions. . fn peel_async_body<'a>(body_value: &'a Expr<'a>) -> &'a Expr<'a> { . if let ExprKind::Block(block, _) = body_value.kind . && let Some(expr) = block.expr -- line 52 ---------------------------------------- 106,078 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/doc/suspicious_doc_comments.rs -------------------------------------------------------------------------------- Ir -- line 4 ---------------------------------------- . use rustc_errors::Applicability; . use rustc_hir::Attribute; . use rustc_hir::attrs::AttributeKind; . use rustc_lint::LateContext; . use rustc_span::Span; . . use super::SUSPICIOUS_DOC_COMMENTS; . 469,945 ( 0.01%) pub fn check(cx: &LateContext<'_>, attrs: &[Attribute]) -> bool { . let replacements: Vec<_> = collect_doc_replacements(attrs); . 134,270 ( 0.00%) if let Some((&(lo_span, _), &(hi_span, _))) = replacements.first().zip(replacements.last()) { . span_lint_and_then( . cx, . SUSPICIOUS_DOC_COMMENTS, . lo_span.to(hi_span), . "this is an outer doc comment and does not apply to the parent module or crate", . |diag| { . diag.multipart_suggestion( . "use an inner doc comment to document the parent module or crate", -- line 23 ---------------------------------------- -- line 26 ---------------------------------------- . ); . }, . ); . . true . } else { . false . } 537,080 ( 0.01%) } . . fn collect_doc_replacements(attrs: &[Attribute]) -> Vec<(Span, String)> { . attrs . .iter() . .filter_map(|attr| { 1,542 ( 0.00%) if let Attribute::Parsed(AttributeKind::DocComment { . style: AttrStyle::Outer, . kind: DocFragmentKind::Sugared(comment_kind), . comment, . .. . }) = attr . && let Some(com) = comment.as_str().strip_prefix('!') . { . let sugg = match comment_kind { . CommentKind::Block => format!("/*!{com}*/"), . CommentKind::Line => format!("//!{com}"), . }; . Some((attr.span(), sugg)) . } else { 476 ( 0.00%) None . } . }) . .collect() . } 156 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/char/methods.rs -------------------------------------------------------------------------------- Ir -- line 897 ---------------------------------------- . /// assert!(!CAPITAL_DELTA_IS_LOWERCASE); . /// ``` . #[must_use] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_unicode_case_lookup", since = "1.84.0")] . #[inline] . pub const fn is_lowercase(self) -> bool { . match self { 1,978 ( 0.00%) 'a'..='z' => true, . '\0'..='\u{A9}' => false, . _ => unicode::Lowercase(self), . } . } . . /// Returns `true` if this `char` is in the general category for titlecase letters. . /// Conceptually, these characters consist of an uppercase portion followed by a lowercase portion. . /// -- line 913 ---------------------------------------- -- line 973 ---------------------------------------- . /// assert!(CAPITAL_DELTA_IS_UPPERCASE); . /// ``` . #[must_use] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_unicode_case_lookup", since = "1.84.0")] . #[inline] . pub const fn is_uppercase(self) -> bool { . match self { 47,114 ( 0.00%) 'A'..='Z' => true, 30,482 ( 0.00%) '\0'..='\u{BF}' => false, . _ => unicode::Uppercase(self), . } . } . . /// Returns `true` if this `char` has one of the general categories for numbers. . /// . /// The general categories for numbers (`Nd` for decimal digits, `Nl` for letter-like numeric . /// characters, and `No` for other numeric characters) are [specified] in the Unicode Character -- line 990 ---------------------------------------- -- line 1017 ---------------------------------------- . /// assert!(!'藏'.is_numeric()); . /// assert!(!'三'.is_numeric()); . /// ``` . #[must_use] . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . pub fn is_numeric(self) -> bool { . match self { 504 ( 0.00%) '0'..='9' => true, 336 ( 0.00%) '\0'..='\u{B1}' => false, . _ => unicode::N(self), . } . } . . /// Returns `true` if this `char` satisfies either [`is_alphabetic()`] or [`is_numeric()`]. . /// . /// [`is_alphabetic()`]: Self::is_alphabetic . /// [`is_numeric()`]: Self::is_numeric -- line 1034 ---------------------------------------- -- line 1080 ---------------------------------------- . /// . /// assert!(!'越'.is_whitespace()); . /// ``` . #[must_use] . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_stable(feature = "const_char_classify", since = "1.87.0")] . #[inline] . pub const fn is_whitespace(self) -> bool { 493,481 ( 0.01%) match self { . ' ' | '\x09'..='\x0d' => true, 23,020 ( 0.00%) '\0'..='\u{84}' => false, . _ => unicode::White_Space(self), . } . } . . /// Returns `true` if this `char` has the general category for control codes. . /// . /// Control codes (code points with the general category of `Cc`) are [described] in Chapter 23 . /// (Special Areas and Format Characters) of the Unicode Standard, and [specified] in the Unicode Character -- line 1098 ---------------------------------------- -- line 1414 ---------------------------------------- . /// holds across languages. . /// . /// [`SpecialCasing.txt`]: https://www.unicode.org/Public/UCD/latest/ucd/SpecialCasing.txt . #[must_use = "this returns the lowercased character as a new iterator, \ . without modifying the original"] . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . pub fn to_lowercase(self) -> ToLowercase { 48 ( 0.00%) ToLowercase(CaseMappingIter::new(conversions::to_lower(self))) 336 ( 0.00%) => ???:core::unicode::unicode_data::conversions::to_lower (16x) . } . . /// Returns an iterator that yields the titlecase mapping of this `char` as one or more . /// `char`s. . /// . /// This is usually, but not always, equivalent to the uppercase mapping . /// returned by [`to_uppercase()`]. Prefer this method when seeking to capitalize . /// Only The First Letter of a word, but use [`to_uppercase()`] for ALL CAPS. -- line 1430 ---------------------------------------- -- line 1703 ---------------------------------------- . /// holds across languages. . /// . /// [`to_titlecase()`]: Self::to_titlecase() . #[must_use = "this returns the uppercased character as a new iterator, \ . without modifying the original"] . #[stable(feature = "rust1", since = "1.0.0")] . #[inline] . pub fn to_uppercase(self) -> ToUppercase { 1,548 ( 0.00%) ToUppercase(CaseMappingIter::new(conversions::to_upper(self))) 11,352 ( 0.00%) => ???:core::unicode::unicode_data::conversions::to_upper (516x) . } . . /// Returns an iterator that yields the case folding of this `char` as one or more . /// `char`s. . /// . /// Case folding is meant to be used when performing case-insensitive string comparisons. . /// Case-folded strings should not usually be exposed directly to users. For most, . /// but not all, characters, the casefold mapping is identical to the lowercase one. -- line 1719 ---------------------------------------- -- line 2206 ---------------------------------------- . /// assert!(!lf.is_ascii_digit()); . /// assert!(!esc.is_ascii_digit()); . /// ``` . #[must_use] . #[stable(feature = "ascii_ctype_on_intrinsics", since = "1.24.0")] . #[rustc_const_stable(feature = "const_ascii_ctype_on_intrinsics", since = "1.47.0")] . #[inline] . pub const fn is_ascii_digit(&self) -> bool { 8,015 ( 0.00%) matches!(*self, '0'..='9') . } . . /// Checks if the value is an ASCII octal digit: . /// U+0030 '0' ..= U+0037 '7'. . /// . /// # Examples . /// . /// ``` -- line 2222 ---------------------------------------- -- line 2475 ---------------------------------------- . escape_double_quote: true, . }; . } . . #[inline] . #[must_use] . const fn len_utf8(code: u32) -> usize { . match code { 6,400 ( 0.00%) ..MAX_ONE_B => 1, . ..MAX_TWO_B => 2, . ..MAX_THREE_B => 3, . _ => 4, . } . } . . #[inline] . #[must_use] -- line 2491 ---------------------------------------- -- line 2547 ---------------------------------------- . #[doc(hidden)] . #[inline] . pub const unsafe fn encode_utf8_raw_unchecked(code: u32, dst: *mut u8) { . let len = len_utf8(code); . // SAFETY: The caller must guarantee that the buffer pointed to by `dst` . // is at least `len` bytes long. . unsafe { . if len == 1 { 6,390 ( 0.00%) *dst = code as u8; . return; . } . . let last1 = (code >> 0 & 0x3F) as u8 | TAG_CONT; . let last2 = (code >> 6 & 0x3F) as u8 | TAG_CONT; . let last3 = (code >> 12 & 0x3F) as u8 | TAG_CONT; . let last4 = (code >> 18 & 0x3F) as u8 | TAG_FOUR_B; . -- line 2563 ---------------------------------------- 4,360 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/implicit_saturating_sub.rs -------------------------------------------------------------------------------- Ir -- line 90 ---------------------------------------- . . impl ImplicitSaturatingSub { . pub fn new(conf: &'static Conf) -> Self { . Self { msrv: conf.msrv.into() } . } . } . . impl<'tcx> LateLintPass<'tcx> for ImplicitSaturatingSub { 416,360 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 104,090 ( 0.00%) if expr.span.from_expansion() { . return; . } . if let Some(higher::If { cond, then, r#else: None }) = higher::If::hir(expr) . . // Check if the conditional expression is a binary operation 160 ( 0.00%) && let ExprKind::Binary(ref cond_op, cond_left, cond_right) = cond.kind . { 54 ( 0.00%) check_with_condition(cx, expr, cond_op.node, cond_left, cond_right, then, self.msrv); . } else if let Some(higher::If { . cond, . then: if_block, . r#else: Some(else_block), . }) = higher::If::hir(expr) 222 ( 0.00%) && let ExprKind::Binary(ref cond_op, cond_left, cond_right) = cond.kind . { 57 ( 0.00%) check_manual_check( . cx, expr, cond_op, cond_left, cond_right, if_block, else_block, self.msrv, . ); . } 415,936 ( 0.01%) } . } . . #[expect(clippy::too_many_arguments)] . fn check_manual_check<'tcx>( . cx: &LateContext<'tcx>, . expr: &Expr<'tcx>, . condition: &BinOp, . left_hand: &Expr<'tcx>, . right_hand: &Expr<'tcx>, . if_block: &Expr<'tcx>, . else_block: &Expr<'tcx>, . msrv: Msrv, . ) { 114 ( 0.00%) let ty = cx.typeck_results().expr_ty(left_hand); 2,280 ( 0.00%) => ???:::expr_ty (57x) . if ty.is_numeric() && !ty.is_signed() { 15 ( 0.00%) match condition.node { 5 ( 0.00%) BinOpKind::Gt | BinOpKind::Ge => check_gt( . cx, . condition.span, 1 ( 0.00%) expr.span, . left_hand, . right_hand, . if_block, . else_block, . msrv, 1 ( 0.00%) matches!( 4 ( 0.00%) clippy_utils::get_parent_expr(cx, expr), 99 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::get_parent_expr (1x) . Some(Expr { . kind: ExprKind::If(..), . .. . }) . ), . ), . BinOpKind::Lt | BinOpKind::Le => check_gt( . cx, -- line 154 ---------------------------------------- -- line 168 ---------------------------------------- . ), . ), . _ => {}, . } . } . } . . #[expect(clippy::too_many_arguments)] 13 ( 0.00%) fn check_gt( . cx: &LateContext<'_>, . condition_span: Span, . expr_span: Span, . big_expr: &Expr<'_>, . little_expr: &Expr<'_>, . if_block: &Expr<'_>, . else_block: &Expr<'_>, . msrv: Msrv, . is_composited: bool, . ) { 4 ( 0.00%) if !big_expr.can_have_side_effects() && !little_expr.can_have_side_effects() { 19 ( 0.00%) => ???:::can_have_side_effects (1x) . check_subtraction( . cx, . condition_span, . expr_span, . big_expr, . little_expr, . if_block, . else_block, . msrv, . is_composited, . ); . } 8 ( 0.00%) } . . #[expect(clippy::too_many_arguments)] . fn check_subtraction( . cx: &LateContext<'_>, . condition_span: Span, . expr_span: Span, . big_expr: &Expr<'_>, . little_expr: &Expr<'_>, -- line 208 ---------------------------------------- -- line 307 ---------------------------------------- . expr: &Expr<'tcx>, . cond_op: BinOpKind, . cond_left: &Expr<'tcx>, . cond_right: &Expr<'tcx>, . then: &Expr<'tcx>, . msrv: Msrv, . ) { . // Ensure that the binary operator is >, !=, or < 27 ( 0.00%) if (BinOpKind::Ne == cond_op || BinOpKind::Gt == cond_op || BinOpKind::Lt == cond_op) . . // Check if assign operation is done . && let Some(target) = subtracts_one(cx, then) . . // Extracting out the variable name . && let ExprKind::Path(QPath::Resolved(_, ares_path)) = target.kind . { . let ctxt = expr.span.ctxt(); -- line 323 ---------------------------------------- -- line 389 ---------------------------------------- . } . }, . _ => (), . } . } . } . . fn subtracts_one<'a>(cx: &LateContext<'_>, expr: &'a Expr<'a>) -> Option<&'a Expr<'a>> { 48 ( 0.00%) match peel_blocks_with_stmt(expr).kind { . ExprKind::AssignOp(ref op1, target, value) => { . // Check if literal being subtracted is one . (AssignOpKind::SubAssign == op1.node && is_integer_literal(value, 1)).then_some(target) . }, . ExprKind::Assign(target, value, _) => { . if let ExprKind::Binary(ref op1, left1, right1) = value.kind . && BinOpKind::Sub == op1.node . && SpanlessEq::new(cx).eq_expr(expr.span.ctxt(), left1, target) -- line 405 ---------------------------------------- 147 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: /home/moon/.rustup/toolchains/nightly-2026-08-07-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/intrinsics/mod.rs -------------------------------------------------------------------------------- Ir -- line 447 ---------------------------------------- . /// Therefore, implementations must not require the user to uphold . /// any safety invariants. . /// . /// This intrinsic does not have a stable counterpart. . #[unstable(feature = "core_intrinsics", issue = "none")] . #[rustc_nounwind] . #[inline(always)] . pub const fn likely(b: bool) -> bool { 92,680 ( 0.00%) if b { . true . } else { . cold_path(); . false . } . } . . /// Hints to the compiler that branch condition is likely to be false. -- line 463 ---------------------------------------- -- line 470 ---------------------------------------- . /// Therefore, implementations must not require the user to uphold . /// any safety invariants. . /// . /// This intrinsic does not have a stable counterpart. . #[unstable(feature = "core_intrinsics", issue = "none")] . #[rustc_nounwind] . #[inline(always)] . pub const fn unlikely(b: bool) -> bool { 82,363 ( 0.00%) if b { . cold_path(); . true . } else { . false . } . } . . /// Returns either `true_val` or `false_val` depending on condition `b` with a -- line 486 ---------------------------------------- -- line 2207 ---------------------------------------- . #[rustc_nounwind] . #[rustc_intrinsic] . #[rustc_allow_const_fn_unstable(const_trait_impl, funnel_shifts)] . #[miri::intrinsic_fallback_is_spec] . pub const fn rotate_left(x: T, shift: u32) -> T { . // Make sure to call the intrinsic for `funnel_shl`, not the fallback impl. . // SAFETY: we modulo `shift` so that the result is definitely less than the size of . // `T` in bits. 62,798 ( 0.00%) unsafe { unchecked_funnel_shl(x, x, shift % (mem::size_of::() as u32 * 8)) } . } . . /// Performs rotate right. . /// . /// Note that, unlike most intrinsics, this is safe to call; . /// it does not require an `unsafe` block. . /// Therefore, implementations must not require the user to uphold . /// any safety invariants. -- line 2223 ---------------------------------------- -- line 2615 ---------------------------------------- . @capture$([$($binders:tt)*])? { $($arg:ident : $ty:ty = $val:expr),* $(,)? } $( -> $ret:ty )? : . if const . $(#[$compiletime_attr:meta])* $compiletime:block . else . $(#[$runtime_attr:meta])* $runtime:block . ) => {{ . #[inline] . $(#[$runtime_attr])* 290 ( 0.00%) fn runtime$(<$($binders)*>)?($($arg: $ty),*) $( -> $ret )? { . $runtime . } . . #[inline] . $(#[$compiletime_attr])* . const fn compiletime$(<$($binders)*>)?($($arg: $ty),*) $( -> $ret )? { . // Don't warn if one of the arguments is unused. . $(let _ = $arg;)* -- line 2631 ---------------------------------------- 25,100 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/incompatible_msrv.rs -------------------------------------------------------------------------------- Ir -- line 80 ---------------------------------------- . Since(RustcVersion), . } . . /// All known std crates containing a stability attribute. . struct StdCrates([Option; 6]); . impl StdCrates { . fn new(tcx: TyCtxt<'_>) -> Self { . let mut res = Self([None; _]); 50 ( 0.00%) for &krate in tcx.crates(()) { . // FIXME(@Jarcho): We should have an internal lint to detect when this list is out of date. . match tcx.crate_name(krate) { 190 ( 0.00%) sym::alloc => res.0[0] = Some(krate), . sym::core => res.0[1] = Some(krate), . sym::core_arch => res.0[2] = Some(krate), . sym::proc_macro => res.0[3] = Some(krate), . sym::std => res.0[4] = Some(krate), . sym::std_detect => res.0[5] = Some(krate), . _ => {}, . } . } -- line 99 ---------------------------------------- -- line 112 ---------------------------------------- . std_crates: StdCrates, . . // The most recently called path. Used to skip checking the path after it's . // been checked when visiting the call expression. . called_path: Option, . } . . impl IncompatibleMsrv { 9 ( 0.00%) pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { 19 ( 0.00%) Self { 2 ( 0.00%) msrv: conf.msrv.into(), . availability_cache: FxHashMap::default(), 1 ( 0.00%) check_in_tests: conf.check_incompatible_msrv_in_tests, . std_crates: StdCrates::new(tcx), . called_path: None, . } 8 ( 0.00%) } . . /// Returns the availability of `def_id`, whether it is enabled through a feature or . /// available since a given version (the default being Rust 1.0.0). `needs_const` requires . /// the `const`-stability to be looked up instead of the stability in non-`const` contexts. 12,089 ( 0.00%) fn get_def_id_availability(&mut self, tcx: TyCtxt<'_>, def_id: DefId, needs_const: bool) -> Availability { . if let Some(availability) = self.availability_cache.get(&(def_id, needs_const)) { 1,968 ( 0.00%) return *availability; . } 345 ( 0.00%) let (feature, stability_level) = if needs_const { . tcx.lookup_const_stability(def_id) . .map(|stability| (stability.feature, stability.level)) . .unzip() . } else { . tcx.lookup_stability(def_id) . .map(|stability| (stability.feature, stability.level)) . .unzip() . }; 805 ( 0.00%) let version = if feature.is_some_and(|feature| tcx.features().enabled(feature)) { 3,450 ( 0.00%) => ???:::features (115x) 460 ( 0.00%) => ???:::enabled (115x) . Availability::FeatureEnabled . } else if let Some(StableSince::Version(version)) = . stability_level.as_ref().and_then(StabilityLevel::stable_since) . { . Availability::Since(version) . } else if needs_const { . // Fallback to regular stability . self.get_def_id_availability(tcx, def_id, false) -- line 154 ---------------------------------------- -- line 158 ---------------------------------------- . Availability::Since(RustcVersion { . major: 1, . minor: 0, . patch: 0, . }) . }; . self.availability_cache.insert((def_id, needs_const), version); . version 9,891 ( 0.00%) } . . /// Emit lint if `def_id`, associated with `node` and `span`, is below the current MSRV. 228,270 ( 0.00%) fn emit_lint_if_under_msrv( . &mut self, . cx: &LateContext<'_>, . needs_const: bool, . def_id: DefId, . node: HirId, . span: Span, . ) { . if !self.std_crates.contains(def_id.krate) { . // No stability attributes to lookup for these items. . return; . } . // Use `from_expansion` to fast-path the common case. . if span.from_expansion() { . let expn = span.ctxt().outer_expn_data(); 3,108 ( 0.00%) match expn.kind { . // FIXME(@Jarcho): Check that the actual desugaring or std macro is supported by the . // current MSRV. Note that nested expansions need to be handled as well. . ExpnKind::AstPass(_) | ExpnKind::Desugaring(_) => return, 204 ( 0.00%) ExpnKind::Macro(..) if expn.macro_def_id.is_some_and(|did| self.std_crates.contains(did.krate)) => { . return; . }, . // All other expansions share the target's MSRV. . // FIXME(@Jarcho): What should we do about version dependant macros from external crates? . _ => {}, . } . } . . // Check `is_in_test` last as it walks the HIR parent chain. 17,584 ( 0.00%) if let Some(current) = self.msrv.current(cx) 10,990 ( 0.00%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/msrvs.rs:::current (1,099x) 16,485 ( 0.00%) && let Availability::Since(version) = self.get_def_id_availability(cx.tcx, def_id, needs_const) 107,362 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/incompatible_msrv.rs:::get_def_id_availability (1,099x) 4,396 ( 0.00%) && version > current . && (self.check_in_tests || !is_in_test(cx.tcx, node)) . { . span_lint_and_then( . cx, . INCOMPATIBLE_MSRV, . span, . format!( . "current MSRV (Minimum Supported Rust Version) is `{current}` but this item is stable{} since `{version}`", -- line 208 ---------------------------------------- -- line 210 ---------------------------------------- . ), . |diag| { . if is_under_cfg_attribute(cx, node) { . diag.note_once("you may want to conditionally increase the MSRV considered by Clippy using the `clippy::msrv` attribute"); . } . }, . ); . } 121,744 ( 0.00%) } . } . . impl<'tcx> LateLintPass<'tcx> for IncompatibleMsrv { 468,405 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { 323,211 ( 0.01%) match expr.kind { . ExprKind::MethodCall(_, _, _, span) => { 11,158 ( 0.00%) if let Some(method_did) = cx.typeck_results().type_dependent_def_id(expr.hir_id) { 81,514 ( 0.00%) => ???:::type_dependent_def_id (1,594x) 19,128 ( 0.00%) self.emit_lint_if_under_msrv(cx, is_in_const_context(cx), method_did, expr.hir_id, span); 432,786 ( 0.01%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (1,594x) 172,191 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/incompatible_msrv.rs:::emit_lint_if_under_msrv (1,594x) . } . }, 66,353 ( 0.00%) ExprKind::Call(callee, _) if let ExprKind::Path(qpath) = callee.kind => { 18,958 ( 0.00%) self.called_path = Some(callee.hir_id); 28,437 ( 0.00%) let needs_const = is_in_const_context(cx); 2,572,806 ( 0.05%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_in_const_context (9,479x) 56,874 ( 0.00%) let def_id = if let Some(def_id) = cx.qpath_res(&qpath, callee.hir_id).opt_def_id() { 288,780 ( 0.01%) => ???:::qpath_res (9,479x) . def_id 28 ( 0.00%) } else if needs_const && let ty::FnDef(def_id, _) = *cx.typeck_results().expr_ty(callee).kind() { . // Edge case where a function is first assigned then called. . // We previously would have warned for the non-const MSRV, when . // checking the path, but now that it's called the const MSRV . // must also be met. . def_id . } else { . return; . }; 66,255 ( 0.00%) self.emit_lint_if_under_msrv(cx, needs_const, def_id, expr.hir_id, callee.span); . }, . // Desugaring into function calls by the compiler will use `QPath::LangItem` variants. Those should . // not be linted as they will not be generated in older compilers if the function is not available, . // and the compiler is allowed to call unstable functions. 23,285 ( 0.00%) ExprKind::Path(qpath) 209,565 ( 0.00%) if let Some(path_def_id) = cx.qpath_res(&qpath, expr.hir_id).opt_def_id() 644,684 ( 0.01%) => ???:::qpath_res (23,285x) . && self.called_path != Some(expr.hir_id) => . { 7,406 ( 0.00%) self.emit_lint_if_under_msrv(cx, false, path_def_id, expr.hir_id, expr.span); . }, . _ => {}, . } 416,360 ( 0.01%) } . . fn check_ty(&mut self, cx: &LateContext<'tcx>, hir_ty: &'tcx hir::Ty<'tcx, AmbigArg>) { 21,440 ( 0.00%) if let hir::TyKind::Path(qpath) = hir_ty.kind 26,888 ( 0.00%) && let Some(ty_def_id) = cx.qpath_res(&qpath, hir_ty.hir_id).opt_def_id() 77,303 ( 0.00%) => ???:::qpath_res (3,361x) . // `CStr` and `CString` have been moved around but have been available since Rust 1.0.0 21,707 ( 0.00%) && !matches!(cx.tcx.get_diagnostic_name(ty_def_id), Some(sym::cstr_type | sym::cstring_type)) 142,820 ( 0.00%) => ???:::get_diagnostic_name (3,101x) . { 27,909 ( 0.00%) self.emit_lint_if_under_msrv(cx, false, ty_def_id, hir_ty.hir_id, hir_ty.span); 149,570 ( 0.00%) => site/frontend/rust-clippy/clippy_lints/src/incompatible_msrv.rs:::emit_lint_if_under_msrv (3,101x) . } . } . } . . /// Heuristic checking if the node `hir_id` is under a `#[cfg()]` or `#[cfg_attr()]` . /// attribute. . fn is_under_cfg_attribute(cx: &LateContext<'_>, hir_id: HirId) -> bool { . cx.tcx -- line 272 ---------------------------------------- 39,679 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_lints/src/float_literal.rs -------------------------------------------------------------------------------- Ir -- line 71 ---------------------------------------- . pub fn new(conf: &'static Conf) -> Self { . Self { . const_literal_digits_threshold: conf.const_literal_digits_threshold, . } . } . } . . impl<'tcx> LateLintPass<'tcx> for FloatLiteral { 364,315 ( 0.01%) fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { 104,090 ( 0.00%) if let hir::ExprKind::Lit(lit) = expr.kind 6,734 ( 0.00%) && let LitKind::Float(sym, lit_float_ty) = lit.node . && let ty::Float(fty) = *cx.typeck_results().expr_ty(expr).kind() . { . let sym_str = sym.as_str(); . let formatter = FloatFormat::new(sym_str); . // Try to bail out if the float is for sure fine. . // If its within the 2 decimal digits of being out of precision we . // check if the parsed representation is the same as the string . // since we'll need the truncated string anyway. -- line 89 ---------------------------------------- -- line 168 ---------------------------------------- . "consider changing the type or truncating it to", . numeric_literal::format(&float_str, type_suffix, true), . Applicability::MachineApplicable, . ); . }, . ); . } . } 416,360 ( 0.01%) } . } . . #[must_use] . fn max_digits(fty: FloatTy) -> u32 { . match fty { . FloatTy::F16 => f16::DIGITS, . FloatTy::F32 => f32::DIGITS, . FloatTy::F64 => f64::DIGITS, -- line 184 ---------------------------------------- 3,367 ( 0.00%) -------------------------------------------------------------------------------- -- Auto-annotated source: site/frontend/rust-clippy/clippy_utils/src/higher.rs -------------------------------------------------------------------------------- Ir -- line 29 ---------------------------------------- . /// entire `for` loop span . pub span: Span, . /// label . pub label: Option, . } . . impl<'tcx> ForLoop<'tcx> { . /// Parses a desugared `for` loop 320,394 ( 0.01%) pub fn hir(expr: &Expr<'tcx>) -> Option { 106,863 ( 0.00%) if let ExprKind::DropTemps(e) = expr.kind 455 ( 0.00%) && let ExprKind::Match(iterexpr, [arm], MatchSource::ForLoopDesugar) = e.kind 260 ( 0.00%) && let ExprKind::Call(_, [arg]) = iterexpr.kind 520 ( 0.00%) && let ExprKind::Loop(block, label, ..) = arm.body.kind 195 ( 0.00%) && let [stmt] = block.stmts 195 ( 0.00%) && let hir::StmtKind::Expr(e) = stmt.kind 325 ( 0.00%) && let ExprKind::Match(_, [_, some_arm], _) = e.kind 390 ( 0.00%) && let hir::PatKind::Struct(_, [field], _) = some_arm.pat.kind . { 715 ( 0.00%) return Some(Self { 65 ( 0.00%) pat: field.pat, . arg, 65 ( 0.00%) body: some_arm.body, 130 ( 0.00%) loop_id: arm.body.hir_id, 130 ( 0.00%) span: expr.span.ctxt().outer_expn_data().call_site, . label, . }); . } 53,334 ( 0.00%) None 320,394 ( 0.01%) } . } . . /// An `if` expression without `let` . pub struct If<'hir> { . /// `if` condition . pub cond: &'hir Expr<'hir>, . /// `if` then expression . pub then: &'hir Expr<'hir>, -- line 65 ---------------------------------------- -- line 66 ---------------------------------------- . /// `else` expression . pub r#else: Option<&'hir Expr<'hir>>, . } . . impl<'hir> If<'hir> { . #[inline] . /// Parses an `if` expression without `let` . pub const fn hir(expr: &Expr<'hir>) -> Option { 256,799 ( 0.00%) if let ExprKind::If(cond, then, r#else) = expr.kind 17,474 ( 0.00%) && !has_let_expr(cond) 18,842 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::has_let_expr (696x) . { . Some(Self { cond, then, r#else }) . } else { . None . } . } . } . -- line 83 ---------------------------------------- -- line 93 ---------------------------------------- . pub if_else: Option<&'hir Expr<'hir>>, . /// `if let PAT = EXPR` . /// ^^^^^^^^^^^^^^ . pub let_span: Span, . } . . impl<'hir> IfLet<'hir> { . /// Parses an `if let` expression 158,739 ( 0.00%) pub fn hir(cx: &LateContext<'_>, expr: &Expr<'hir>) -> Option { 320,696 ( 0.01%) if let ExprKind::If( . &Expr { . kind: . ExprKind::Let(&hir::LetExpr { 894 ( 0.00%) pat: let_pat, . init: let_expr, 447 ( 0.00%) span: let_span, . .. . }), . .. . }, 447 ( 0.00%) if_then, 447 ( 0.00%) if_else, 1,609 ( 0.00%) ) = expr.kind . { 894 ( 0.00%) let mut iter = cx.tcx.hir_parent_iter(expr.hir_id); 1,641 ( 0.00%) if let Some((_, Node::Block(Block { stmts: [], .. }))) = iter.next() 884 ( 0.00%) && let Some(( . _, . Node::Expr(Expr { . kind: ExprKind::Loop(_, _, LoopSource::While, _), . .. . }), 213 ( 0.00%) )) = iter.next() . { . // while loop desugar 32 ( 0.00%) return None; . } 1,724 ( 0.00%) return Some(Self { . let_pat, . let_expr, . if_then, . if_else, . let_span, . }); . } 158,292 ( 0.00%) None 158,739 ( 0.00%) } . } . . /// An `if let` or `match` expression. Useful for lints that trigger on one or the other. . #[derive(Debug)] . pub enum IfLetOrMatch<'hir> { . /// Any `match` expression . Match(&'hir Expr<'hir>, &'hir [Arm<'hir>], MatchSource), . /// scrutinee, pattern, then block, else block -- line 147 ---------------------------------------- -- line 153 ---------------------------------------- . /// `if let PAT = EXPR` . /// ^^^^^^^^^^^^^^ . Span, . ), . } . . impl<'hir> IfLetOrMatch<'hir> { . /// Parses an `if let` or `match` expression 6,930 ( 0.00%) pub fn parse(cx: &LateContext<'_>, expr: &Expr<'hir>) -> Option { 4,620 ( 0.00%) match expr.kind { 1,232 ( 0.00%) ExprKind::Match(expr, arms, source) => Some(Self::Match(expr, arms, source)), 2,156 ( 0.00%) _ => IfLet::hir(cx, expr).map( 14,224 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/higher.rs:::hir (2,156x) . |IfLet { . let_expr, . let_pat, . if_then, . if_else, . let_span, . }| { Self::IfLet(let_expr, let_pat, if_then, if_else, let_span) }, . ), . } 9,240 ( 0.00%) } . . pub fn scrutinee(&self) -> &'hir Expr<'hir> { . match self { . Self::Match(scrutinee, _, _) | Self::IfLet(scrutinee, _, _, _, _) => scrutinee, . } . } . } . -- line 182 ---------------------------------------- -- line 189 ---------------------------------------- . /// `else` expression . pub r#else: Option<&'hir Expr<'hir>>, . } . . impl<'hir> IfOrIfLet<'hir> { . #[inline] . /// Parses an `if` or `if let` expression . pub const fn hir(expr: &Expr<'hir>) -> Option { 1,745 ( 0.00%) if let ExprKind::If(cond, then, r#else) = expr.kind { . Some(Self { cond, then, r#else }) . } else { . None . } . } . } . . /// Represent a range akin to `ast::ExprKind::Range`. -- line 205 ---------------------------------------- -- line 211 ---------------------------------------- . pub start: Option<&'a Expr<'a>>, . /// The upper bound of the range, or `None` for ranges such as `X..`. . pub end: Option<&'a Expr<'a>>, . pub span: Span, . } . . impl<'a> Range<'a> { . /// Higher a `hir` range to something similar to `ast::ExprKind::Range`. 1,045,310 ( 0.02%) pub fn hir(cx: &LateContext<'_>, expr: &'a Expr<'_>) -> Option> { 209,062 ( 0.00%) let span = expr.range_span()?; 2,553,606 ( 0.05%) => ???:::range_span (104,531x) 427 ( 0.00%) let (ty, start, end) = match expr.kind { . ExprKind::Call(path, [arg1, arg2]) . if let ExprKind::Path(qpath) = path.kind . && cx.tcx.qpath_is_lang_item(qpath, hir::LangItem::RangeInclusiveNew) => . { . (RangeTy::OpsInclusive, Some(arg1), Some(arg2)) . }, 610 ( 0.00%) ExprKind::Struct(&qpath, fields, StructTailExpr::None) => match (cx.tcx.qpath_lang_item(qpath)?, fields) { 6,832 ( 0.00%) => ???:::qpath_lang_item (61x) 36 ( 0.00%) (hir::LangItem::RangeFull, []) => (RangeTy::OpsFull, None, None), 30 ( 0.00%) (hir::LangItem::RangeFrom, [start]) if start.ident.name == sym::start => { 10 ( 0.00%) (RangeTy::OpsFrom, Some(start.expr), None) . }, . (hir::LangItem::RangeFromCopy, [start]) if start.ident.name == sym::start => { . (RangeTy::RangeFrom, Some(start.expr), None) 18 ( 0.00%) }, 60 ( 0.00%) (hir::LangItem::Range, [start, end] | [end, start]) 40 ( 0.00%) if start.ident.name == sym::start && end.ident.name == sym::end => . { 40 ( 0.00%) (RangeTy::OpsRange, Some(start.expr), Some(end.expr)) 20 ( 0.00%) }, . (hir::LangItem::RangeCopy, [start, end] | [end, start]) . if start.ident.name == sym::start && end.ident.name == sym::end => . { . (RangeTy::RangeRange, Some(start.expr), Some(end.expr)) . }, . (hir::LangItem::RangeInclusiveCopy, [start, last] | [last, start]) . if start.ident.name == sym::start && last.ident.name == sym::last => . { . (RangeTy::RangeInclusive, Some(start.expr), Some(last.expr)) . }, . (hir::LangItem::RangeToInclusive, [end]) if end.ident.name == sym::end => { . (RangeTy::OpsToInclusive, None, Some(end.expr)) . }, . (hir::LangItem::RangeToInclusiveCopy, [last]) if last.ident.name == sym::last => { . (RangeTy::RangeToInclusive, None, Some(last.expr)) 13 ( 0.00%) }, 78 ( 0.00%) (hir::LangItem::RangeTo, [end]) if end.ident.name == sym::end => (RangeTy::OpsTo, None, Some(end.expr)), . _ => return None, . }, . _ => return None, . }; . 244 ( 0.00%) Some(Range { ty, start, end, span }) 836,309 ( 0.02%) } . } . . /// A type that can appear as the type of a range expression. . /// . /// This is a component of [`Range`]. . #[derive(Debug, Copy, Clone, Eq, PartialEq)] . pub enum RangeTy { . /// [`core::ops::RangeFrom`] -- line 272 ---------------------------------------- -- line 361 ---------------------------------------- . Repeat(&'a Expr<'a>, &'a Expr<'a>), . /// `vec![a, b, c]` . Vec(&'a [Expr<'a>]), . } . . impl<'a> VecArgs<'a> { . /// Returns the arguments of the `vec!` macro if this expression was expanded . /// from `vec!`. 1,098,377 ( 0.02%) pub fn hir(cx: &LateContext<'_>, expr: &'a Expr<'_>) -> Option> { 342,520 ( 0.01%) if let ExprKind::Call(fun, args) = expr.kind 57,445 ( 0.00%) && let ExprKind::Path(ref qpath) = fun.kind 172,188 ( 0.00%) && is_expn_of(fun.span, sym::vec).is_some() 30,090,914 ( 0.56%) => /home/moon/git/rustc-perf/site/frontend/rust-clippy/clippy_utils/src/lib.rs:clippy_utils::is_expn_of (28,698x) 245 ( 0.00%) && let Some(fun_def_id) = cx.qpath_res(qpath, fun.hir_id).opt_def_id() 2,062 ( 0.00%) => ???:::qpath_res (49x) 442 ( 0.00%) && let Some(name) = cx.tcx.get_diagnostic_name(fun_def_id) 3,605 ( 0.00%) => ???:::get_diagnostic_name (49x) . { . return match (name, args) { . (sym::vec_from_elem, [elem, size]) => { . // `vec![elem; size]` case . Some(VecArgs::Repeat(elem, size)) . }, 40 ( 0.00%) (sym::box_assume_init_into_vec_unsafe, [write_box_via_move]) 100 ( 0.00%) if let ExprKind::Call(_, [_box, elems]) = write_box_via_move.kind 60 ( 0.00%) && let ExprKind::Array(elems) = elems.kind => . { . // `vec![a, b, c]` case 40 ( 0.00%) Some(VecArgs::Vec(elems)) 20 ( 0.00%) }, 30 ( 0.00%) (sym::vec_new, []) => Some(VecArgs::Vec(&[])), 28,649 ( 0.00%) _ => None, . }; . } . 28,649 ( 0.00%) None 1,098,377 ( 0.02%) } . } . . /// A desugared `while` loop . pub struct While<'hir> { . /// `while` loop condition . pub condition: &'hir Expr<'hir>, . /// `while` loop body . pub body: &'hir Expr<'hir>, -- line 402 ---------------------------------------- -- line 404 ---------------------------------------- . pub span: Span, . pub label: Option, . } . . impl<'hir> While<'hir> { . #[inline] . /// Parses a desugared `while` loop . pub const fn hir(expr: &Expr<'hir>) -> Option { 35 ( 0.00%) if let ExprKind::Loop( . Block { . expr: . Some(Expr { . kind: ExprKind::If(condition, body, _), . .. . }), . .. . }, . label, . LoopSource::While, 5 ( 0.00%) span, 15 ( 0.00%) ) = expr.kind 72 ( 0.00%) && !has_let_expr(condition) 221 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::has_let_expr (13x) . { . return Some(Self { 13 ( 0.00%) condition, . body, . span, . label, . }); . } . None . } . } -- line 436 ---------------------------------------- -- line 448 ---------------------------------------- . /// ^^^^^^^^^^^^^^ . pub let_span: Span, . } . . impl<'hir> WhileLet<'hir> { . #[inline] . /// Parses a desugared `while let` loop . pub const fn hir(expr: &Expr<'hir>) -> Option { 149,540 ( 0.00%) if let ExprKind::Loop( . &Block { . expr: . Some(&Expr { . kind: . ExprKind::If( . &Expr { . kind: . ExprKind::Let(&hir::LetExpr { 20 ( 0.00%) pat: let_pat, 8 ( 0.00%) init: let_expr, . span: let_span, . .. . }), . .. . }, 4 ( 0.00%) if_then, . _, . ), . .. . }), . .. . }, 8 ( 0.00%) label, . LoopSource::While, . _, 909 ( 0.00%) ) = expr.kind . { . return Some(Self { . let_pat, . let_expr, . if_then, . label, . let_span, . }); -- line 490 ---------------------------------------- -- line 575 ---------------------------------------- . Default, . /// `Vec::with_capacity(123)` . WithConstCapacity(u128), . /// `Vec::with_capacity(slice.len())` . WithExprCapacity(HirId), . } . . /// Checks if the given expression is an initialization of `Vec` and returns its kind. 2,975 ( 0.00%) pub fn get_vec_init_kind<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Option { 1,022 ( 0.00%) if let ExprKind::Call(func, args) = expr.kind { 860 ( 0.00%) match func.kind { . ExprKind::Path(QPath::TypeRelative(ty, name)) 984 ( 0.00%) if cx.typeck_results().node_type(ty.hir_id).is_diag_item(cx, sym::Vec) => 5,043 ( 0.00%) => ???:::node_type (123x) . { . if name.ident.name == sym::new { . return Some(VecInitKind::New); . } else if name.ident.name == symbol::kw::Default { . return Some(VecInitKind::Default); . } else if name.ident.name == sym::with_capacity { . let arg = args.first()?; . return match ConstEvalCtxt::new(cx).eval_local(arg, expr.span.ctxt()) { . Some(Constant::Int(num)) => Some(VecInitKind::WithConstCapacity(num)), . _ => Some(VecInitKind::WithExprCapacity(arg.hir_id)), . }; . } . }, . ExprKind::Path(QPath::Resolved(_, path)) 637 ( 0.00%) if cx.tcx.is_diagnostic_item(sym::default_fn, path.res.opt_def_id()?) 2,708 ( 0.00%) => ???:::is_diagnostic_item (49x) . && cx.typeck_results().expr_ty(expr).is_diag_item(cx, sym::Vec) => . { . return Some(VecInitKind::Default); . }, . _ => (), . } . } . None 3,825 ( 0.00%) } . . /// Checks that a condition doesn't have a `let` expression, to keep `If` and `While` from accepting . /// `if let` and `while let`. 24,605 ( 0.00%) pub const fn has_let_expr<'tcx>(cond: &'tcx Expr<'tcx>) -> bool { 34,126 ( 0.00%) match &cond.kind { . ExprKind::Let(_) => true, 5,750 ( 0.00%) ExprKind::Binary(_, lhs, rhs) => has_let_expr(lhs) || has_let_expr(rhs), 19,660 ( 0.00%) => site/frontend/rust-clippy/clippy_utils/src/higher.rs:clippy_utils::higher::has_let_expr'2 (1,139x) . _ => false, . } 24,605 ( 0.00%) } 378,111 ( 0.01%) -------------------------------------------------------------------------------- The following files chosen for auto-annotation could not be found: -------------------------------------------------------------------------------- /rust/deps/hashbrown-0.17.0/src/raw.rs /rust/deps/hashbrown-0.17.1/src/control/bitmask.rs /rust/deps/hashbrown-0.17.1/src/control/tag.rs /rust/deps/hashbrown-0.17.1/src/map.rs /rust/deps/hashbrown-0.17.1/src/raw.rs /rust/deps/hashbrown-0.17.1/src/set.rs /rust/deps/indexmap-2.14.0/src/map.rs /rust/deps/scoped-tls-1.0.1/src/lib.rs /rust/deps/smallvec-1.15.1/src/lib.rs /rust/deps/thin-vec-0.2.19/src/lib.rs /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/eset.c /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/extent.c /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/jemalloc.c /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/large.c /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/pa.c /rustc/84b36a78a28a63f134171c670be1932ffa2485f8/obj/build/x86_64-unknown-linux-gnu/stage2-rustc/x86_64-unknown-linux-gnu/release/build/tikv-jemalloc-sys/80122c672fbe49ef/out/build/src/tcache.c include/jemalloc/internal/arena_inlines_b.h include/jemalloc/internal/atomic.h include/jemalloc/internal/bit_util.h include/jemalloc/internal/bitmap.h include/jemalloc/internal/cache_bin.h include/jemalloc/internal/div.h include/jemalloc/internal/edata.h include/jemalloc/internal/emap.h include/jemalloc/internal/extent.h include/jemalloc/internal/fb.h include/jemalloc/internal/jemalloc_internal_inlines_a.h include/jemalloc/internal/jemalloc_internal_inlines_b.h include/jemalloc/internal/jemalloc_internal_inlines_c.h include/jemalloc/internal/mutex.h include/jemalloc/internal/pai.h include/jemalloc/internal/ph.h include/jemalloc/internal/rtree.h include/jemalloc/internal/sz.h include/jemalloc/internal/tcache_inlines.h include/jemalloc/internal/thread_event.h include/jemalloc/internal/ticker.h include/jemalloc/internal/tsd.h include/jemalloc/internal/tsd_tls.h include/jemalloc/internal/util.h src/arena.c src/base.c src/bitmap.c src/decay.c src/emap.c src/eset.c src/extent.c src/hook.c src/pac.c src/sz.c src/tcache.c src/thread_event.c -------------------------------------------------------------------------------- Ir -------------------------------------------------------------------------------- 456,136,487 ( 8.46%) events annotated