From e71b9c446dd5d984bd8a7f603ccce96febfa678a Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Thu, 28 Jul 2011 01:20:19 +0000
Subject: Fix a use after free. An instruction can't be both an intrinsic call
 and a fence.

llvm-svn: 136319
---
 llvm/lib/Transforms/Scalar/LowerAtomic.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Transforms/Scalar/LowerAtomic.cpp b/llvm/lib/Transforms/Scalar/LowerAtomic.cpp
index 7f4d9e9c43e..0954f77f3bf 100644
--- a/llvm/lib/Transforms/Scalar/LowerAtomic.cpp
+++ b/llvm/lib/Transforms/Scalar/LowerAtomic.cpp
@@ -132,7 +132,7 @@ namespace {
         Instruction *Inst = DI++;
         if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(Inst))
           Changed |= LowerAtomicIntrinsic(II);
-        if (FenceInst *FI = dyn_cast<FenceInst>(Inst))
+        else if (FenceInst *FI = dyn_cast<FenceInst>(Inst))
           Changed |= LowerFenceInst(FI);
       }
       return Changed;
-- 
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