diff options
Diffstat (limited to 'clang/lib/CodeGen')
| -rw-r--r-- | clang/lib/CodeGen/CGBuiltin.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index 399b8733e72..3e22e36237a 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -530,7 +530,9 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, Value *Ptr = EmitScalarExpr(E->getArg(0)); const llvm::Type *ElTy = cast<llvm::PointerType>(Ptr->getType())->getElementType(); - Builder.CreateStore(llvm::Constant::getNullValue(ElTy), Ptr, true); + llvm::StoreInst *Store = + Builder.CreateStore(llvm::Constant::getNullValue(ElTy), Ptr); + Store->setVolatile(true); return RValue::get(0); } |
