From: Michael Gottesman <mgottesman@apple.com>
Date: Mon, 7 Jan 2013 00:31:26 +0000 (+0000)
Subject: [ObjCARC Debug Message] - Added debug message when fuse a retain/autorelease pair... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=916d52a03ebd45f4b6d9dea185ee616623feeaf0;p=oota-llvm.git

[ObjCARC Debug Message] - Added debug message when fuse a retain/autorelease pair in ObjCARCContract::ContractAutorelease.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171679 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index 1c1273ca379..f71784bdcd4 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/Scalar/ObjCARC.cpp
@@ -4027,12 +4027,20 @@ ObjCARCContract::ContractAutorelease(Function &F, Instruction *Autorelease,
 
   Changed = true;
   ++NumPeeps;
-
+  
+  DEBUG(dbgs() << "ObjCARCContract::ContractAutorelease: Fusing "
+                  "retain/autorelease. Erasing: " << *Autorelease << "\n"
+                  "                                      Old Retain: "
+               << *Retain << "\n");
+  
   if (Class == IC_AutoreleaseRV)
     Retain->setCalledFunction(getRetainAutoreleaseRVCallee(F.getParent()));
   else
     Retain->setCalledFunction(getRetainAutoreleaseCallee(F.getParent()));
-
+  
+  DEBUG(dbgs() << "                                      New Retain: "
+               << *Retain << "\n");
+  
   EraseInstruction(Autorelease);
   return true;
 }