From 1ed84bbd2d67aac00e2154a8aeb865f44aa4d33d Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 5 Feb 2007 22:15:21 +0000
Subject: switch an std::set over to a SmallPtrSet, speeding up mem2reg 6% on
 176.gcc.

llvm-svn: 33929
---
 llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp')

diff --git a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index a73e4682a58..39a4c897cfe 100644
--- a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -84,7 +84,7 @@ namespace {
 
     /// Visited - The set of basic blocks the renamer has already visited.
     ///
-    std::set<BasicBlock*> Visited;
+    SmallPtrSet<BasicBlock*, 16> Visited;
 
     /// BBNumbers - Contains a stable numbering of basic blocks to avoid
     /// non-determinstic behavior.
-- 
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