From 8800a51ac1968fc328db3f3d27ab327a9a2e6426 Mon Sep 17 00:00:00 2001
From: Michael Gottesman <mgottesman@apple.com>
Date: Sun, 6 Jan 2013 23:39:13 +0000
Subject: [ObjCARC Debug Message] - Added debug message when we add a nounwind
 keyword to a function which can not throw.

llvm-svn: 171676
---
 llvm/lib/Transforms/Scalar/ObjCARC.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index c840e6e4c8c..1ba5a503848 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/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();
     }
 
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