From: Michael Gottesman <mgottesman@apple.com>
Date: Sat, 5 Jan 2013 17:55:42 +0000 (+0000)
Subject: Added debug message to ObjCARC when we transform objc_retainAutorelasedReturnValue... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=36e4bc406ca93f5ebd8e8b67cbf5d236c8423cbe;p=oota-llvm.git

Added debug message to ObjCARC when we transform objc_retainAutorelasedReturnValue => objc_retain since the operand to said function is not a return value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171629 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index de0971394b7..2a8a50e451f 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/Scalar/ObjCARC.cpp
@@ -2261,7 +2261,18 @@ ObjCARCOpt::OptimizeRetainRVCall(Function &F, Instruction *RetainRV) {
   // Turn it to a plain objc_retain.
   Changed = true;
   ++NumPeeps;
+  
+  DEBUG(dbgs() << "ObjCARCOpt::OptimizeRetainRVCall: Transforming "
+                  "objc_retainAutoreleasedReturnValue => "
+                  "objc_retain since the operand is not a return value.\n"
+                  "                                  Old: "
+               << *RetainRV << "\n");
+  
   cast<CallInst>(RetainRV)->setCalledFunction(getRetainCallee(F.getParent()));
+
+  DEBUG(dbgs() << "                                  New: "
+               << *RetainRV << "\n");
+
   return false;
 }