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authorMichael Gottesman <mgottesman@apple.com>2013-02-02 00:57:44 +0000
committerMichael Gottesman <mgottesman@apple.com>2013-02-02 00:57:44 +0000
commit554b07d30484185a313dbe2c5e2fd5798ac3f998 (patch)
tree67fedb4ce85a562bd1292c704d2058ecfd95c979 /lib/CodeGen/CGObjC.cpp
parenta7f8da123f765bb7a0a53f9f23fa832f9a8a2889 (diff)
On platforms which do not support ARC natively, do not mark objc_retain/objc_release as "nonlazybind".
rdar://13108298. rdar://13129783. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174253 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGObjC.cpp')
-rw-r--r--lib/CodeGen/CGObjC.cpp10
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/CodeGen/CGObjC.cpp b/lib/CodeGen/CGObjC.cpp
index e861222cf5..d667e1aacb 100644
--- a/lib/CodeGen/CGObjC.cpp
+++ b/lib/CodeGen/CGObjC.cpp
@@ -1705,16 +1705,18 @@ static llvm::Constant *createARCRuntimeFunction(CodeGenModule &CGM,
StringRef fnName) {
llvm::Constant *fn = CGM.CreateRuntimeFunction(type, fnName);
+ if (llvm::Function *f = dyn_cast<llvm::Function>(fn)) {
// If the target runtime doesn't naturally support ARC, emit weak
// references to the runtime support library. We don't really
// permit this to fail, but we need a particular relocation style.
- if (llvm::Function *f = dyn_cast<llvm::Function>(fn)) {
- if (!CGM.getLangOpts().ObjCRuntime.hasNativeARC())
+ if (!CGM.getLangOpts().ObjCRuntime.hasNativeARC()) {
f->setLinkage(llvm::Function::ExternalWeakLinkage);
- // set nonlazybind attribute for these APIs for performance.
- if (fnName == "objc_retain" || fnName == "objc_release")
+ } else if (fnName == "objc_retain" || fnName == "objc_release") {
+ // If we have Native ARC, set nonlazybind attribute for these APIs for
+ // performance.
f->addFnAttr(llvm::Attribute::NonLazyBind);
}
+ }
return fn;
}