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Apply the 'nobuiltin' attribute to call sites when the user specifies `-fno-builtin' on the command line. 

llvm-svn: 175836
This commit is contained in:
Bill Wendling 2013-02-22 00:13:35 +00:00
parent 09bd1f71ee
commit f4d64cb3a5
3 changed files with 11 additions and 5 deletions
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11
clang/lib/CodeGen/CGCall.cpp
View File

@ -969,7 +969,8 @@ llvm::Type *CodeGenTypes::GetFunctionTypeForVTable(GlobalDecl GD) {
void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI,
const Decl *TargetDecl,
AttributeListType &PAL,
unsigned &CallingConv) {
unsigned &CallingConv,
bool AttrOnCallSite) {
llvm::AttrBuilder FuncAttrs;
llvm::AttrBuilder RetAttrs;
@ -1028,6 +1029,9 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI,
FuncAttrs.addAttribute("target-features", Features.getString());
}
if (AttrOnCallSite && !CodeGenOpts.SimplifyLibCalls)
FuncAttrs.addAttribute(llvm::Attribute::NoBuiltin);
QualType RetTy = FI.getReturnType();
unsigned Index = 1;
const ABIArgInfo &RetAI = FI.getReturnInfo();
@ -2238,9 +2242,10 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo,
unsigned CallingConv;
CodeGen::AttributeListType AttributeList;
CGM.ConstructAttributeList(CallInfo, TargetDecl, AttributeList, CallingConv);
CGM.ConstructAttributeList(CallInfo, TargetDecl, AttributeList,
CallingConv, true);
llvm::AttributeSet Attrs = llvm::AttributeSet::get(getLLVMContext(),
AttributeList);
AttributeList);
llvm::BasicBlock *InvokeDest = 0;
if (!Attrs.hasAttribute(llvm::AttributeSet::FunctionIndex,

2
clang/lib/CodeGen/CodeGenModule.cpp
View File

@ -550,7 +550,7 @@ void CodeGenModule::SetLLVMFunctionAttributes(const Decl *D,
llvm::Function *F) {
unsigned CallingConv;
AttributeListType AttributeList;
ConstructAttributeList(Info, D, AttributeList, CallingConv);
ConstructAttributeList(Info, D, AttributeList, CallingConv, false);
F->setAttributes(llvm::AttributeSet::get(getLLVMContext(), AttributeList));
F->setCallingConv(static_cast<llvm::CallingConv::ID>(CallingConv));
}

3
clang/lib/CodeGen/CodeGenModule.h
View File

@ -839,7 +839,8 @@ public:
void ConstructAttributeList(const CGFunctionInfo &Info,
const Decl *TargetDecl,
AttributeListType &PAL,
unsigned &CallingConv);
unsigned &CallingConv,
bool AttrOnCallSite);
StringRef getMangledName(GlobalDecl GD);
void getBlockMangledName(GlobalDecl GD, MangleBuffer &Buffer,