From d4a9ebc7341a1ed066fcdff8e7e4e9cbf1bc4368 Mon Sep 17 00:00:00 2001
From: Nadav Rotem <nrotem@apple.com>
Date: Sat, 29 Jun 2013 05:38:15 +0000
Subject: [PATCH] We preserve the CFG and some of the analysis passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185251 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Vectorize/SLPVectorizer.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Transforms/Vectorize/SLPVectorizer.cpp b/lib/Transforms/Vectorize/SLPVectorizer.cpp
index d609302522e..8655ff0e11b 100644
--- a/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -1525,6 +1525,9 @@ struct SLPVectorizer : public FunctionPass {
     AU.addRequired<TargetTransformInfo>();
     AU.addRequired<LoopInfo>();
     AU.addRequired<DominatorTree>();
+    AU.addPreserved<LoopInfo>();
+    AU.addPreserved<DominatorTree>();
+    AU.setPreservesCFG();
   }
 
 private:
-- 
2.11.0