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| author | bors <bors@rust-lang.org> | 2024-12-18 00:14:56 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2024-12-18 00:14:56 +0000 |
| commit | 52890e82153cd8716d97a96f47fb6ac99dec65be (patch) | |
| tree | 5a23f57eb7b0a59a6647763b3f7ad847fe02ece9 /compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs | |
| parent | 7e6bf003f396aeea510577b4e925d1d95c12ff53 (diff) | |
| parent | 3b0df8c59f8811be5eb3b587c33ce75f0e788876 (diff) | |
| download | rust-52890e82153cd8716d97a96f47fb6ac99dec65be.tar.gz rust-52890e82153cd8716d97a96f47fb6ac99dec65be.zip | |
Auto merge of #134439 - matthiaskrgr:rollup-grmmmx2, r=matthiaskrgr
Rollup of 7 pull requests Successful merges: - #133265 (Add a range argument to vec.extract_if) - #133801 (Promote powerpc64le-unknown-linux-musl to tier 2 with host tools) - #134323 (coverage: Dismantle `map_data.rs` by moving its responsibilities elsewhere) - #134378 (An octuple of polonius fact generation cleanups) - #134408 (Regression test for RPIT inheriting lifetime from projection) - #134423 (bootstrap: use specific-purpose ui test path for `test_valid` self-test) - #134426 (Fix typo in uint_macros.rs) Failed merges: - #133103 (Pass FnAbi to find_mir_or_eval_fn) r? `@ghost` `@rustbot` modify labels: rollup
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs deleted file mode 100644 index c5d1ebdfe7c..00000000000 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs +++ /dev/null @@ -1,84 +0,0 @@ -use rustc_data_structures::captures::Captures; -use rustc_middle::mir::coverage::{ - CovTerm, CoverageIdsInfo, Expression, FunctionCoverageInfo, Mapping, MappingKind, Op, - SourceRegion, -}; - -use crate::coverageinfo::ffi::{Counter, CounterExpression, ExprKind}; - -pub(crate) struct FunctionCoverage<'tcx> { - pub(crate) function_coverage_info: &'tcx FunctionCoverageInfo, - /// If `None`, the corresponding function is unused. - ids_info: Option<&'tcx CoverageIdsInfo>, -} - -impl<'tcx> FunctionCoverage<'tcx> { - pub(crate) fn new_used( - function_coverage_info: &'tcx FunctionCoverageInfo, - ids_info: &'tcx CoverageIdsInfo, - ) -> Self { - Self { function_coverage_info, ids_info: Some(ids_info) } - } - - pub(crate) fn new_unused(function_coverage_info: &'tcx FunctionCoverageInfo) -> Self { - Self { function_coverage_info, ids_info: None } - } - - /// Returns true for a used (called) function, and false for an unused function. - pub(crate) fn is_used(&self) -> bool { - self.ids_info.is_some() - } - - /// Return the source hash, generated from the HIR node structure, and used to indicate whether - /// or not the source code structure changed between different compilations. - pub(crate) fn source_hash(&self) -> u64 { - if self.is_used() { self.function_coverage_info.function_source_hash } else { 0 } - } - - /// Convert this function's coverage expression data into a form that can be - /// passed through FFI to LLVM. - pub(crate) fn counter_expressions( - &self, - ) -> impl Iterator<Item = CounterExpression> + ExactSizeIterator + Captures<'_> { - // We know that LLVM will optimize out any unused expressions before - // producing the final coverage map, so there's no need to do the same - // thing on the Rust side unless we're confident we can do much better. - // (See `CounterExpressionsMinimizer` in `CoverageMappingWriter.cpp`.) - - self.function_coverage_info.expressions.iter().map(move |&Expression { lhs, op, rhs }| { - CounterExpression { - lhs: self.counter_for_term(lhs), - kind: match op { - Op::Add => ExprKind::Add, - Op::Subtract => ExprKind::Subtract, - }, - rhs: self.counter_for_term(rhs), - } - }) - } - - /// Converts this function's coverage mappings into an intermediate form - /// that will be used by `mapgen` when preparing for FFI. - pub(crate) fn counter_regions( - &self, - ) -> impl Iterator<Item = (MappingKind, &SourceRegion)> + ExactSizeIterator { - self.function_coverage_info.mappings.iter().map(move |mapping| { - let Mapping { kind, source_region } = mapping; - let kind = - kind.map_terms(|term| if self.is_zero_term(term) { CovTerm::Zero } else { term }); - (kind, source_region) - }) - } - - fn counter_for_term(&self, term: CovTerm) -> Counter { - if self.is_zero_term(term) { Counter::ZERO } else { Counter::from_term(term) } - } - - fn is_zero_term(&self, term: CovTerm) -> bool { - match self.ids_info { - Some(ids_info) => ids_info.is_zero_term(term), - // This function is unused, so all coverage counters/expressions are zero. - None => true, - } - } -} |
