diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs index 32f4fc76b3d..afc2bdbfd52 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs @@ -250,13 +250,9 @@ fn add_unused_function_coverage( // Insert at least one real counter so the LLVM CoverageMappingReader will find expected // definitions. function_coverage.add_counter(UNUSED_FUNCTION_COUNTER_ID, code_region.clone()); + } else { + function_coverage.add_unreachable_region(code_region.clone()); } - // Add a Zero Counter for every code region. - // - // Even though the first coverage region already has an actual Counter, `llvm-cov` will not - // always report it. Re-adding an unreachable region (zero counter) for the same region - // seems to help produce the expected coverage. - function_coverage.add_unreachable_region(code_region.clone()); } if let Some(coverage_context) = cx.coverage_context() { |