commit ef682c54307abd6b23bde2bd83688ef117daea03
author Michael Gottesman <mgottesman@apple.com> Thu Jan 03 08:09:17 2013 +0000
committer Michael Gottesman <mgottesman@apple.com> Thu Jan 03 08:09:17 2013 +0000
tree 70ebc5c15e48b612c3c65f59bb614ed2d4e5bae8
parent 416dc00cad7cd27c5a454f4521206838cf023d02

Added DEBUG message for ObjCARC when we zap a push/pop pair in ObjCARCAPElim::OptimizeBB.

llvm-svn: 171464

llvm/lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index 3201933..403e064 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
@@ -995,6 +995,9 @@
       // zap the pair.
       if (Push && cast<CallInst>(Inst)->getArgOperand(0) == Push) {
         Changed = true;
+        DEBUG(dbgs() << "ObjCARCAPElim: OptimizeBB: Zapping push pop autorelease pair:\n"
+                     << "                           Pop: " << *Inst << "\n"
+                     << "                           Push: " << *Push << "\n");
         Inst->eraseFromParent();
         Push->eraseFromParent();
       }