From: Cameron Zwarich <zwarich@apple.com>
Date: Sun, 23 Jan 2011 08:03:04 +0000 (+0000)
Subject: Convert two std::vectors to SmallVectors for a 3.4% speedup running -scalarrepl
X-Git-Tag: android-x86-6.0-r1~1002^2~960
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=491d8d43702a76b6d73ffbd85c368a4be51c44ae;p=android-x86%2Fexternal-llvm.git

Convert two std::vectors to SmallVectors for a 3.4% speedup running -scalarrepl
on test-suite + SPEC2000 & SPEC2006.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124068 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index 790d4c28817..e6a4373c495 100644
--- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -282,8 +282,8 @@ namespace {
   };
   
   struct AllocaInfo {
-    std::vector<BasicBlock*> DefiningBlocks;
-    std::vector<BasicBlock*> UsingBlocks;
+    SmallVector<BasicBlock*, 32> DefiningBlocks;
+    SmallVector<BasicBlock*, 32> UsingBlocks;
     
     StoreInst  *OnlyStore;
     BasicBlock *OnlyBlock;