commit fbe4d6b1fa256825ded9d9ebf1b6aeca3d1ff270
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 9a8ce8ddcff4a9eaf1912809fb7e519f34d8155f
parent 38bc25a52e7f0019c7339371f2eca080269dd6af

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171677 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index 1ba5a50..86b99c9 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/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;
     }