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authorBill Wendling <isanbard@gmail.com>2013-02-22 00:13:35 +0000
committerBill Wendling <isanbard@gmail.com>2013-02-22 00:13:35 +0000
commit94236e7393d5cd4acbc5f0b503d23bbe78d9aeec (patch)
tree233a3a5226d93c4471488674ea70408ea57ce69f /lib/CodeGen
parent0c67fc9c2e2ec8aa787ee9daf2780d47abe1fb6c (diff)
Apply the 'nobuiltin' attribute to call sites when the user specifies `-fno-builtin' on the command line.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175836 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
-rw-r--r--lib/CodeGen/CGCall.cpp11
-rw-r--r--lib/CodeGen/CodeGenModule.cpp2
-rw-r--r--lib/CodeGen/CodeGenModule.h3
3 files changed, 11 insertions, 5 deletions
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index 6072f60135..9fd31fe253 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -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,
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 5033b56d3a..60ec323203 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -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));
}
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index f467ee79d4..bf9dc255d6 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -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,