From: Dan Gohman <gohman@apple.com>
Date: Wed, 4 Apr 2012 21:04:56 +0000 (+0000)
Subject: Fix an oversight: don't run ARC optimization cleanup at -O0.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=465a8998bd5e2565ed98e1179876ef9266581f74;p=clang

Fix an oversight: don't run ARC optimization cleanup at -O0.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154052 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index a65ae82c1d..edc3a47186 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -382,7 +382,8 @@ bool EmitAssemblyHelper::AddEmitPasses(BackendAction Action,
   // Add ObjC ARC final-cleanup optimizations. This is done as part of the
   // "codegen" passes so that it isn't run multiple times when there is
   // inlining happening.
-  if (LangOpts.ObjCAutoRefCount)
+  if (LangOpts.ObjCAutoRefCount &&
+      CodeGenOpts.OptimizationLevel > 0)
     PM->add(createObjCARCContractPass());
 
   if (TM->addPassesToEmitFile(*PM, OS, CGFT,