commit 5b970e14e673a9930f276ff9ab191c005505d7f7
author Michael Gottesman <mgottesman@apple.com> Mon Jan 07 00:04:52 2013 +0000
committer Michael Gottesman <mgottesman@apple.com> Mon Jan 07 00:04:52 2013 +0000
tree 5490a924901a9e93cfe64dcf728e5a694f076e32
parent 8800a51ac1968fc328db3f3d27ab327a9a2e6426

[ObjCARC Debug Message] - Added debug message when we erase ARC calls with null since they are no-ops.

llvm-svn: 171677

llvm/lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index 1ba5a50..86b99c9 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
@@ -2468,6 +2468,8 @@
     if (isNullOrUndef(Arg)) {
       Changed = true;
       ++NumNoops;
+      DEBUG(dbgs() << "ObjCARCOpt::OptimizeIndividualCalls: ARC calls with "
+            " null are no-ops. Erasing: " << *Inst << "\n");
       EraseInstruction(Inst);
       continue;
     }