From cdbde3aacc1260a72d49b9aa7271b4bbec694e83 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 5 Dec 2013 18:28:01 +0000
Subject: Fix non-deterministic behavior.

We use CSEBlocks to initialize a worklist:

SmallVector<BasicBlock *, 8> CSEWorkList(CSEBlocks.begin(), CSEBlocks.end());

so it must have a deterministic order.

llvm-svn: 196520
---
 llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp')

diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 2af3701b900..aa75101c61b 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -521,7 +521,7 @@ private:
   /// Holds all of the instructions that we gathered.
   SetVector<Instruction *> GatherSeq;
   /// A list of blocks that we are going to CSE.
-  SmallSet<BasicBlock *, 8> CSEBlocks;
+  SetVector<BasicBlock *> CSEBlocks;
 
   /// Numbers instructions in different blocks.
   DenseMap<BasicBlock *, BlockNumbering> BlocksNumbers;
-- 
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