Improved comment. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178605 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman 2013-04-03 01:57:16 +00:00
parent 95a16c4dbb
commit 003d5f946d

View File

@ -1440,7 +1440,8 @@ void ObjCARCOpt::OptimizeIndividualCalls(Function &F) {
break;
}
// objc_autorelease(x) -> objc_release(x) if x is otherwise unused.
// objc_autorelease(x), objc_autoreleaseRV -> objc_release(x) if x is
// otherwise unused.
if (IsAutorelease(Class) && Inst->use_empty()) {
CallInst *Call = cast<CallInst>(Inst);
const Value *Arg = Call->getArgOperand(0);