diff options
Diffstat (limited to 'clang/lib/CodeGen/BackendUtil.cpp')
| -rw-r--r-- | clang/lib/CodeGen/BackendUtil.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index ec790e411e0..87937c057be 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -298,9 +298,13 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM, PassManagerBuilderWrapper PMBuilder(CodeGenOpts, LangOpts); - // Figure out TargetLibraryInfo. + // Figure out TargetLibraryInfo. This needs to be added to MPM and FPM + // manually (and not via PMBuilder), since some passes (eg. InstrProfiling) + // are inserted before PMBuilder ones - they'd get the default-constructed + // TLI with an unknown target otherwise. Triple TargetTriple(TheModule->getTargetTriple()); - PMBuilder.LibraryInfo = createTLII(TargetTriple, CodeGenOpts); + std::unique_ptr<TargetLibraryInfoImpl> TLII( + createTLII(TargetTriple, CodeGenOpts)); switch (Inlining) { case CodeGenOptions::NoInlining: @@ -333,6 +337,8 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM, PMBuilder.PrepareForLTO = CodeGenOpts.PrepareForLTO; PMBuilder.RerollLoops = CodeGenOpts.RerollLoops; + MPM.add(new TargetLibraryInfoWrapperPass(*TLII)); + // Add target-specific passes that need to run as early as possible. if (TM) PMBuilder.addExtension( @@ -416,6 +422,7 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM, } // Set up the per-function pass manager. + FPM.add(new TargetLibraryInfoWrapperPass(*TLII)); if (CodeGenOpts.VerifyModule) FPM.add(createVerifierPass()); |
