From: Michael Gottesman <mgottesman@apple.com>
Date: Mon, 7 Jan 2013 00:04:56 +0000 (+0000)
Subject: [ObjCARC Debug Message] - Added debug message when we zap a matching retain/autorelea... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=f93109a9b6843fcbe759e69f360b6e079d46c55e;p=oota-llvm.git

[ObjCARC Debug Message] - Added debug message when we zap a matching retain/autorelease pair in ObjCARCOpt::OptimizeReturns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171678 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index 86b99c9eb15..1c1273ca379 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/Scalar/ObjCARC.cpp
@@ -3753,6 +3753,9 @@ void ObjCARCOpt::OptimizeReturns(Function &F) {
           // If so, we can zap the retain and autorelease.
           Changed = true;
           ++NumRets;
+          DEBUG(dbgs() << "ObjCARCOpt::OptimizeReturns: Erasing: " << *Retain
+                       << "\n                             Erasing: "
+                       << *Autorelease << "\n");
           EraseInstruction(Retain);
           EraseInstruction(Autorelease);
         }