[llvm-commits] [llvm] r171670 - /llvm/trunk/lib/Transforms/Scalar/ObjCARC.cpp

[Michael Gottesman]

Author: mgottesman
Date: Sun Jan  6 15:07:15 2013
New Revision: 171670

URL: http://llvm.org/viewvc/llvm-project?rev=171670&view=rev
Log:
Added debug message in ObjCARC when we remove a no-op cast which has only special semantic meaning in the frontend and thus in the optimizer can be deleted.

Modified:
    llvm/trunk/lib/Transforms/Scalar/ObjCARC.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/ObjCARC.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/ObjCARC.cpp?rev=171670&r1=171669&r2=171670&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/ObjCARC.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/ObjCARC.cpp Sun Jan  6 15:07:15 2013
@@ -2343,6 +2343,8 @@
     case IC_NoopCast:
       Changed = true;
       ++NumNoops;
+      DEBUG(dbgs() << "ObjCARCOpt::OptimizeIndividualCalls: Erasing no-op cast:"
+                   " " << *Inst << "\n");
       EraseInstruction(Inst);
       continue;