commit d61a3b2707661f907eb9e53f59a37c7eef65cb21
author Michael Gottesman <mgottesman@apple.com> Mon Jan 07 00:04:56 2013 +0000
committer Michael Gottesman <mgottesman@apple.com> Mon Jan 07 00:04:56 2013 +0000
tree 8e3c56d0a0a8842eb71f68e639509d8fc331810f
parent 5b970e14e673a9930f276ff9ab191c005505d7f7

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

llvm-svn: 171678

llvm/lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index 86b99c9..1c1273c 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
@@ -3753,6 +3753,9 @@
           // 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);
         }