From 38bc25a52e7f0019c7339371f2eca080269dd6af Mon Sep 17 00:00:00 2001
From: Michael Gottesman <mgottesman@apple.com>
Date: Sun, 6 Jan 2013 23:39:13 +0000
Subject: [PATCH] [ObjCARC Debug Message] - Added debug message when we add a
 nounwind keyword to a function which can not throw.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171676 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Scalar/ObjCARC.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index c840e6e4c8c..1ba5a503848 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/Scalar/ObjCARC.cpp
@@ -2452,6 +2452,8 @@ void ObjCARCOpt::OptimizeIndividualCalls(Function &F) {
     // Set nounwind as needed.
     if (IsNoThrow(Class)) {
       Changed = true;
+      DEBUG(dbgs() << "ObjCARCOpt::OptimizeIndividualCalls: Found no throw"
+            " class. Setting nounwind on: " << *Inst << "\n");
       cast<CallInst>(Inst)->setDoesNotThrow();
     }