diff options
Diffstat (limited to 'clang/lib/CodeGen/BackendUtil.cpp')
-rw-r--r-- | clang/lib/CodeGen/BackendUtil.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index 35b83b7cece..9496f5205e9 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -900,6 +900,12 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager( // Build a minimal pipeline based on the semantics required by Clang, // which is just that always inlining occurs. MPM.addPass(AlwaysInlinerPass()); + + // At -O0 we directly run necessary sanitizer passes. + if (LangOpts.Sanitize.has(SanitizerKind::LocalBounds)) + MPM.addPass(createModuleToFunctionPassAdaptor(BoundsCheckingPass())); + + // Lastly, add a semantically necessary pass for ThinLTO. if (IsThinLTO) MPM.addPass(NameAnonGlobalPass()); } else { @@ -907,6 +913,14 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager( // configure the pipeline. PassBuilder::OptimizationLevel Level = mapToLevel(CodeGenOpts); + // Register callbacks to schedule sanitizer passes at the appropriate part of + // the pipeline. + if (LangOpts.Sanitize.has(SanitizerKind::LocalBounds)) + PB.registerScalarOptimizerLateEPCallback( + [](FunctionPassManager &FPM, PassBuilder::OptimizationLevel Level) { + FPM.addPass(BoundsCheckingPass()); + }); + if (IsThinLTO) { MPM = PB.buildThinLTOPreLinkDefaultPipeline( Level, CodeGenOpts.DebugPassManager); |