diff options
Diffstat (limited to 'compiler/rustc_mir_transform/src/coverage/mod.rs')
| -rw-r--r-- | compiler/rustc_mir_transform/src/coverage/mod.rs | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/compiler/rustc_mir_transform/src/coverage/mod.rs b/compiler/rustc_mir_transform/src/coverage/mod.rs index 4c5be0a3f4b..bde13583486 100644 --- a/compiler/rustc_mir_transform/src/coverage/mod.rs +++ b/compiler/rustc_mir_transform/src/coverage/mod.rs @@ -14,7 +14,6 @@ use self::spans::{BcbMapping, BcbMappingKind, CoverageSpans}; use crate::MirPass; use rustc_middle::hir; -use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::mir::coverage::*; use rustc_middle::mir::{ self, BasicBlock, BasicBlockData, Coverage, SourceInfo, Statement, StatementKind, Terminator, @@ -44,7 +43,7 @@ impl<'tcx> MirPass<'tcx> for InstrumentCoverage { let def_id = mir_source.def_id().expect_local(); - if !is_eligible_for_coverage(tcx, def_id) { + if !tcx.is_eligible_for_coverage(def_id) { trace!("InstrumentCoverage skipped for {def_id:?} (not eligible)"); return; } @@ -349,37 +348,6 @@ fn check_code_region(code_region: CodeRegion) -> Option<CodeRegion> { } } -fn is_eligible_for_coverage(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { - // Only instrument functions, methods, and closures (not constants since they are evaluated - // at compile time by Miri). - // FIXME(#73156): Handle source code coverage in const eval, but note, if and when const - // expressions get coverage spans, we will probably have to "carve out" space for const - // expressions from coverage spans in enclosing MIR's, like we do for closures. (That might - // be tricky if const expressions have no corresponding statements in the enclosing MIR. - // Closures are carved out by their initial `Assign` statement.) - if !tcx.def_kind(def_id).is_fn_like() { - trace!("InstrumentCoverage skipped for {def_id:?} (not an fn-like)"); - return false; - } - - // Don't instrument functions with `#[automatically_derived]` on their - // enclosing impl block, on the assumption that most users won't care about - // coverage for derived impls. - if let Some(impl_of) = tcx.impl_of_method(def_id.to_def_id()) - && tcx.is_automatically_derived(impl_of) - { - trace!("InstrumentCoverage skipped for {def_id:?} (automatically derived)"); - return false; - } - - if tcx.codegen_fn_attrs(def_id).flags.contains(CodegenFnAttrFlags::NO_COVERAGE) { - trace!("InstrumentCoverage skipped for {def_id:?} (`#[coverage(off)]`)"); - return false; - } - - true -} - /// Function information extracted from HIR by the coverage instrumentor. #[derive(Debug)] struct ExtractedHirInfo { |
