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CodeGen: force builtins to be local 

Unfortunately _setjmp3 can be both import or local.  The ASAN tests try to
emulate the flags which makes this harder to detect.  Rely on the linker
creating or using thunks here instead.  Should repair the ASAN windows bots.

llvm-svn: 289783
This commit is contained in:
Saleem Abdulrasool 2016-12-15 07:29:04 +00:00
parent 14460e0216
commit 342beeb91e
1 changed files with 3 additions and 3 deletions
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6
clang/lib/CodeGen/CGBuiltin.cpp
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@ -2214,7 +2214,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
llvm::Attribute::ReturnsTwice);
llvm::Constant *SetJmpEx = CGM.CreateRuntimeFunction(
llvm::FunctionType::get(IntTy, ArgTypes, /*isVarArg=*/false),
"_setjmpex", ReturnsTwiceAttr);
"_setjmpex", ReturnsTwiceAttr, /*Local=*/true);
llvm::Value *Buf = Builder.CreateBitOrPointerCast(
EmitScalarExpr(E->getArg(0)), Int8PtrTy);
llvm::Value *FrameAddr =
@ -2239,7 +2239,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
llvm::Type *ArgTypes[] = {Int8PtrTy, IntTy};
llvm::Constant *SetJmp3 = CGM.CreateRuntimeFunction(
llvm::FunctionType::get(IntTy, ArgTypes, /*isVarArg=*/true),
"_setjmp3", ReturnsTwiceAttr);
"_setjmp3", ReturnsTwiceAttr, /*Local=*/true);
llvm::Value *Count = ConstantInt::get(IntTy, 0);
llvm::Value *Args[] = {Buf, Count};
CS = EmitRuntimeCallOrInvoke(SetJmp3, Args);
@ -2247,7 +2247,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
llvm::Type *ArgTypes[] = {Int8PtrTy, Int8PtrTy};
llvm::Constant *SetJmp = CGM.CreateRuntimeFunction(
llvm::FunctionType::get(IntTy, ArgTypes, /*isVarArg=*/false),
"_setjmp", ReturnsTwiceAttr);
"_setjmp", ReturnsTwiceAttr, /*Local=*/true);
llvm::Value *FrameAddr =
Builder.CreateCall(CGM.getIntrinsic(Intrinsic::frameaddress),
ConstantInt::get(Int32Ty, 0));