diff options
| -rw-r--r-- | lib/CodeGen/CGObjCMac.cpp | 7 | ||||
| -rw-r--r-- | test/CodeGenObjC/selector-ref-invariance.m | 9 |
2 files changed, 15 insertions, 1 deletions
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp index 84277f6827..1cbcc58ae5 100644 --- a/lib/CodeGen/CGObjCMac.cpp +++ b/lib/CodeGen/CGObjCMac.cpp @@ -5887,7 +5887,12 @@ llvm::Value *CGObjCNonFragileABIMac::EmitSelector(CGBuilderTy &Builder, if (lval) return Entry; - return Builder.CreateLoad(Entry); + llvm::LoadInst* LI = Builder.CreateLoad(Entry); + + LI->setMetadata(CGM.getModule().getMDKindID("invariant.load"), + llvm::MDNode::get(VMContext, + ArrayRef<llvm::Value*>())); + return LI; } /// EmitObjCIvarAssign - Code gen for assigning to a __strong object. /// objc_assign_ivar (id src, id *dst, ptrdiff_t) diff --git a/test/CodeGenObjC/selector-ref-invariance.m b/test/CodeGenObjC/selector-ref-invariance.m new file mode 100644 index 0000000000..e356419de9 --- /dev/null +++ b/test/CodeGenObjC/selector-ref-invariance.m @@ -0,0 +1,9 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -emit-llvm -fblocks -o - %s | FileCheck %s + +// rdar://6027699 + +void test(id x) { +// CHECK: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_", !invariant.load +// CHECK: @objc_msgSend + [x foo]; +} |