From: Michael Gottesman <mgottesman@apple.com>
Date: Sun, 6 Jan 2013 22:56:50 +0000 (+0000)
Subject: Added debug statement to ObjCARC when we replace objc_autorelease(x) with objc_releas... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=20d9fff206ebb21d08f61783462ca56d5efe0af9;p=oota-llvm.git

Added debug statement to ObjCARC when we replace objc_autorelease(x) with objc_release(x) when x is otherwise unused.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171673 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index 43f95191c6a..3a4e78ba2e4 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/Scalar/ObjCARC.cpp
@@ -2425,6 +2425,14 @@ void ObjCARCOpt::OptimizeIndividualCalls(Function &F) {
                            Call->getArgOperand(0), "", Call);
         NewCall->setMetadata(ImpreciseReleaseMDKind,
                              MDNode::get(C, ArrayRef<Value *>()));
+        
+        DEBUG(dbgs() << "ObjCARCOpt::OptimizeIndividualCalls: Replacing "
+                        "objc_autorelease(x) with objc_release(x) since x is "
+                        "otherwise unused.\n"
+                        "                                     Old: " << *Call
+                        "\n                                     New: " <<
+                        *NewCall << "\n");
+        
         EraseInstruction(Call);
         Inst = NewCall;
         Class = IC_Release;