Teach clang to add metadata tags to calls and invokes in ObjC with
-fno-objc-arc-exceptions. This will allow the optimizer to perform
optimizations which are only safe under that flag.
This is a part of rdar://10803830.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150644 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index 6813edd..9b6931d 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -233,6 +233,7 @@
CGCUDARuntime* CUDARuntime;
CGDebugInfo* DebugInfo;
ARCEntrypoints *ARCData;
+ llvm::MDNode *NoObjCARCExceptionsMetadata;
RREntrypoints *RRData;
// WeakRefReferences - A set of references that have only been seen via
@@ -421,6 +422,14 @@
CGDebugInfo *getModuleDebugInfo() { return DebugInfo; }
+ llvm::MDNode *getNoObjCARCExceptionsMetadata() {
+ if (!NoObjCARCExceptionsMetadata)
+ NoObjCARCExceptionsMetadata =
+ llvm::MDNode::get(getLLVMContext(),
+ SmallVector<llvm::Value*,1>());
+ return NoObjCARCExceptionsMetadata;
+ }
+
ASTContext &getContext() const { return Context; }
const CodeGenOptions &getCodeGenOpts() const { return CodeGenOpts; }
const LangOptions &getLangOptions() const { return Features; }