commit a6a1dadeab5c75bb8aa5f5db08f7edb8cedc07b2
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 e451b193e534f396f2a9f4a6dea3e27bbc0ee65f
parent fec61c018d9cbd46ee18eaab370c9abf9d9aea7f

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

llvm-svn: 171673

llvm/lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index 43f9519..3a4e78b 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/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;