From 416dc00cad7cd27c5a454f4521206838cf023d02 Mon Sep 17 00:00:00 2001
From: Michael Gottesman <mgottesman@apple.com>
Date: Thu, 3 Jan 2013 07:32:53 +0000
Subject: Added DEBUG message to ObjCARC when we transform objc_initWeak(p,
 null) => *p = null.

llvm-svn: 171463
---
 llvm/lib/Transforms/Scalar/ObjCARC.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'llvm/lib/Transforms')

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index 13d2060a752..32019334e44 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
@@ -4168,6 +4168,10 @@ bool ObjCARCContract::runOnFunction(Function &F) {
           ConstantPointerNull::get(cast<PointerType>(CI->getType()));
         Changed = true;
         new StoreInst(Null, CI->getArgOperand(0), CI);
+        
+        DEBUG(dbgs() << "OBJCARCContract: Old = " << *CI << "\n"
+                     << "                 New = " << *Null << "\n");
+        
         CI->replaceAllUsesWith(Null);
         CI->eraseFromParent();
       }
-- 
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