commit 416dc00cad7cd27c5a454f4521206838cf023d02
author Michael Gottesman <mgottesman@apple.com> Thu Jan 03 07:32:53 2013 +0000
committer Michael Gottesman <mgottesman@apple.com> Thu Jan 03 07:32:53 2013 +0000
tree c2ea29dd2435ac96c94ae75480a01f4d30dbfcda
parent 00d1f966b45724e30ca9df3be0866e7611fdaf91

Added DEBUG message to ObjCARC when we transform objc_initWeak(p, null) => *p = null.

llvm-svn: 171463

llvm/lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index 13d2060..3201933 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
@@ -4168,6 +4168,10 @@
           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();
       }