Added DEBUG message for ObjCARC when we zap a push/pop pair in ObjCARCAPElim::OptimizeBB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171464 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman 2013-01-03 08:09:17 +00:00
parent 1ebbdcfa1f
commit df379f4ef4

View File

@ -995,6 +995,9 @@ bool ObjCARCAPElim::OptimizeBB(BasicBlock *BB) {
// zap the pair.
if (Push && cast<CallInst>(Inst)->getArgOperand(0) == Push) {
Changed = true;
DEBUG(dbgs() << "ObjCARCAPElim: OptimizeBB: Zapping push pop autorelease pair:\n"
<< " Pop: " << *Inst << "\n"
<< " Push: " << *Push << "\n");
Inst->eraseFromParent();
Push->eraseFromParent();
}