diff options
Diffstat (limited to 'clang/lib/CodeGen/CodeGenFunction.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenFunction.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp index 05942f4..17c1c91 100644 --- a/clang/lib/CodeGen/CodeGenFunction.cpp +++ b/clang/lib/CodeGen/CodeGenFunction.cpp @@ -898,6 +898,20 @@ void CodeGenFunction::StartFunction(GlobalDecl GD, QualType RetTy, if (D && D->hasAttr<NoProfileFunctionAttr>()) Fn->addFnAttr(llvm::Attribute::NoProfile); + if (D) { + // Function attributes take precedence over command line flags. + if (auto *A = D->getAttr<FunctionReturnThunksAttr>()) { + switch (A->getThunkType()) { + case FunctionReturnThunksAttr::Kind::Keep: + break; + case FunctionReturnThunksAttr::Kind::Extern: + Fn->addFnAttr(llvm::Attribute::FnRetThunkExtern); + break; + } + } else if (CGM.getCodeGenOpts().FunctionReturnThunks) + Fn->addFnAttr(llvm::Attribute::FnRetThunkExtern); + } + if (FD && (getLangOpts().OpenCL || (getLangOpts().HIP && getLangOpts().CUDAIsDevice))) { // Add metadata for a kernel function. |