commit ba83c95b9f8e6bd65405ebff815416fd06b3d4f8
author Fariborz Jahanian <fjahanian@apple.com> Thu Feb 16 00:15:02 2012 +0000
committer Fariborz Jahanian <fjahanian@apple.com> Thu Feb 16 00:15:02 2012 +0000
tree 285dbbed314acfafa024e6f40f47b843b68624c5
parent 64a043045874c9a054f9dfb8d37daf6e5e8d054c

objc-arc: For arc's ivar layout, treat __unsafe_unretained ivars
as unscanned. // rdar://10832643


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150639 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGObjCMac.cpp

diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index 1b95547..edef754 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -1730,6 +1730,10 @@
   if (FQT.isObjCGCWeak() || FQT.getObjCLifetime() == Qualifiers::OCL_Weak)
     return Qualifiers::Weak;
   
+  // check for __unsafe_unretained
+  if (FQT.getObjCLifetime() == Qualifiers::OCL_ExplicitNone)
+    return Qualifiers::GCNone;
+  
   if (FQT->isObjCObjectPointerType() || FQT->isBlockPointerType())
     return Qualifiers::Strong;