commit 20d9fff206ebb21d08f61783462ca56d5efe0af9
author Michael Gottesman <mgottesman@apple.com> Sun Jan 06 22:56:50 2013 +0000
committer Michael Gottesman <mgottesman@apple.com> Sun Jan 06 22:56:50 2013 +0000
tree d437748664bf3c9b60f316b5d5d862ae2672e88c
parent e549492c3680814b31058b183d315d69fd9293de

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

lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index 43f9519..3a4e78b 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/Scalar/ObjCARC.cpp
@@ -2425,6 +2425,14 @@
                            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;