From adcec49f96e73f8a68166e8a2c1ab858bdad0b19 Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Mon, 13 Feb 2012 23:45:02 +0000 Subject: Mark the cxa_guard_{abort,acquire,release} functions nounwind. llvm-svn: 150435 --- clang/lib/CodeGen/ItaniumCXXABI.cpp | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'clang/lib/CodeGen/ItaniumCXXABI.cpp') diff --git a/clang/lib/CodeGen/ItaniumCXXABI.cpp b/clang/lib/CodeGen/ItaniumCXXABI.cpp index 8dee17a38cc..a8b99428829 100644 --- a/clang/lib/CodeGen/ItaniumCXXABI.cpp +++ b/clang/lib/CodeGen/ItaniumCXXABI.cpp @@ -979,7 +979,8 @@ static llvm::Constant *getGuardAcquireFn(CodeGenModule &CGM, llvm::FunctionType::get(CGM.getTypes().ConvertType(CGM.getContext().IntTy), GuardPtrTy, /*isVarArg=*/false); - return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_acquire"); + return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_acquire", + llvm::Attribute::NoUnwind); } static llvm::Constant *getGuardReleaseFn(CodeGenModule &CGM, @@ -988,7 +989,8 @@ static llvm::Constant *getGuardReleaseFn(CodeGenModule &CGM, llvm::FunctionType *FTy = llvm::FunctionType::get(CGM.VoidTy, GuardPtrTy, /*isVarArg=*/false); - return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_release"); + return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_release", + llvm::Attribute::NoUnwind); } static llvm::Constant *getGuardAbortFn(CodeGenModule &CGM, @@ -997,7 +999,8 @@ static llvm::Constant *getGuardAbortFn(CodeGenModule &CGM, llvm::FunctionType *FTy = llvm::FunctionType::get(CGM.VoidTy, GuardPtrTy, /*isVarArg=*/false); - return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_abort"); + return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_abort", + llvm::Attribute::NoUnwind); } namespace { -- cgit v1.2.3