diff options
Diffstat (limited to 'lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | lib/CodeGen/CGCall.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp index 0a17e56d72..1632cb3c22 100644 --- a/lib/CodeGen/CGCall.cpp +++ b/lib/CodeGen/CGCall.cpp @@ -684,6 +684,12 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI, if (TargetDecl) { if (TargetDecl->hasAttr<NoThrowAttr>()) FuncAttrs |= llvm::Attribute::NoUnwind; + else if (const FunctionDecl *Fn = dyn_cast<FunctionDecl>(TargetDecl)) { + const FunctionProtoType *FPT = Fn->getType()->getAs<FunctionProtoType>(); + if (FPT && FPT->hasEmptyExceptionSpec()) + FuncAttrs |= llvm::Attribute::NoUnwind; + } + if (TargetDecl->hasAttr<NoReturnAttr>()) FuncAttrs |= llvm::Attribute::NoReturn; if (TargetDecl->hasAttr<ConstAttr>()) |