From 832282e06176d7fa3718a3734b574b687d992d33 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 2 Jul 2010 18:43:05 +0000
Subject: Don't claim to preserve AliasAnalysis. First, this is doesn't
 actually have any effect, and second, deleting stores can potentially
 invalidate an AliasAnalysis, and there's currently no notification for this.

llvm-svn: 107496
---
 llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp | 1 -
 1 file changed, 1 deletion(-)

(limited to 'llvm/lib/Transforms')

diff --git a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
index 4fbc0f1191f..e047e4ffa15 100644
--- a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
+++ b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
@@ -74,7 +74,6 @@ namespace {
       AU.addRequired<AliasAnalysis>();
       AU.addRequired<MemoryDependenceAnalysis>();
       AU.addPreserved<DominatorTree>();
-      AU.addPreserved<AliasAnalysis>();
       AU.addPreserved<MemoryDependenceAnalysis>();
     }
 
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