commit 1e00ac6256e017af4a83f8fbc6ba8614114dde6d
author Michael Gottesman <mgottesman@apple.com> Fri Jan 04 21:30:38 2013 +0000
committer Michael Gottesman <mgottesman@apple.com> Fri Jan 04 21:30:38 2013 +0000
tree 5b4ad625fde98838c659e4d2758248a37700d60f
parent 9f848aeddd42f2b686b1c2770c4b5e1e4aa468fc

Added DEBUG message to ObjCARC when we optimize objc_retain => objc_retainAutorelasedReturnValue.

llvm-svn: 171535

llvm/lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index c280cf4..1e9b08e 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
@@ -2199,7 +2199,17 @@
   // Turn it to an objc_retainAutoreleasedReturnValue..
   Changed = true;
   ++NumPeeps;
+  
+  DEBUG(dbgs() << "ObjCARCOpt::OptimizeRetainCall: Transforming "
+                  "objc_retainAutoreleasedReturnValue => "
+                  "objc_retain since the operand is not a return value.\n"
+                  "                                Old: "
+               << *Retain << "\n");
+  
   cast<CallInst>(Retain)->setCalledFunction(getRetainRVCallee(F.getParent()));
+
+  DEBUG(dbgs() << "                                New: "
+               << *Retain << "\n");
 }
 
 /// OptimizeRetainRVCall - Turn objc_retainAutoreleasedReturnValue into