commit f93109a9b6843fcbe759e69f360b6e079d46c55e
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 8a655feab031f5adb890063a79f519e55d66ae90
parent fbe4d6b1fa256825ded9d9ebf1b6aeca3d1ff270

[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

lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index 86b99c9..1c1273c 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/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);
         }