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

1 files changed, 0 insertions, 1 deletions

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>();
     }