From 6968c41ac82752cf768d7e5efa73d307118d66c8 Mon Sep 17 00:00:00 2001
From: Cameron Zwarich <zwarich@apple.com>
Date: Tue, 18 Jan 2011 04:41:32 +0000
Subject: [PATCH] Make a std::vector a SmallVector<*, 32> like the other
 vectors in the same function. This seems to be about a 1.5% speedup of
 -scalarrepl on test-suite with SPEC2000 and SPEC2006.

llvm-svn: 123731
---
 llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index 32f778204cf7..188693596cb3 100644
--- a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -723,7 +723,7 @@ void PromoteMem2Reg::DetermineInsertionPoint(AllocaInst *AI, unsigned AllocaNum,
       PQ.push(std::make_pair(Node, DomLevels[Node]));
   }
 
-  std::vector<std::pair<unsigned, BasicBlock*> > DFBlocks;
+  SmallVector<std::pair<unsigned, BasicBlock*>, 32> DFBlocks;
   SmallPtrSet<DomTreeNode*, 32> Visited;
   SmallVector<DomTreeNode*, 32> Worklist;
   while (!PQ.empty()) {