An objc_retain can serve as a may-use for a different pointer.

rdar://11931823.

llvm-svn: 160637

1 files changed, 4 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index 64f71d380a8..3222f2083b9 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
@@ -2829,7 +2829,10 @@ ObjCARCOpt::VisitInstructionTopDown(Instruction *Inst,
     }
 
     S.IncrementNestCount();
-    return NestingDetected;
+
+    // A retain can be a potential use; procede to the generic checking
+    // code below.
+    break;
   }
   case IC_Release: {
     Arg = GetObjCArg(Inst);