From 4b7dd64d829b5745590c0cb1bafe92ea66eec661 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sat, 28 Feb 2015 20:15:07 +0000
Subject: [PATCH] IndexedMap: Default to SmallVector<T, 0>

This looks ridiculous but SmallVector's realloc tricks really help with
large vectors of PODs, such as our virtreg IndexedMap.

llvm-svn: 230866
---
 llvm/include/llvm/ADT/IndexedMap.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/include/llvm/ADT/IndexedMap.h b/llvm/include/llvm/ADT/IndexedMap.h
index 2ffb505..a830a41 100644
--- a/llvm/include/llvm/ADT/IndexedMap.h
+++ b/llvm/include/llvm/ADT/IndexedMap.h
@@ -21,16 +21,16 @@
 #define LLVM_ADT_INDEXEDMAP_H
 
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallVector.h"
 #include <cassert>
 #include <functional>
-#include <vector>
 
 namespace llvm {
 
 template <typename T, typename ToIndexT = llvm::identity<unsigned> >
   class IndexedMap {
     typedef typename ToIndexT::argument_type IndexT;
-    typedef std::vector<T> StorageT;
+    typedef SmallVector<T, 0> StorageT;
     StorageT storage_;
     T nullVal_;
     ToIndexT toIndex_;
-- 
2.7.4