From f84a03a589acadcbf07d1c4a92f132268781e674 Mon Sep 17 00:00:00 2001
From: Arnold Schwaighofer <aschwaighofer@apple.com>
Date: Fri, 7 Jun 2013 00:04:30 +0000
Subject: [PATCH] CodeGenSchedule: Use resize instead of copying a vector

llvm-svn: 183465
---
 llvm/utils/TableGen/CodeGenSchedule.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/utils/TableGen/CodeGenSchedule.cpp b/llvm/utils/TableGen/CodeGenSchedule.cpp
index 53b72d03b5b4..da16852df55d 100644
--- a/llvm/utils/TableGen/CodeGenSchedule.cpp
+++ b/llvm/utils/TableGen/CodeGenSchedule.cpp
@@ -1173,8 +1173,8 @@ pushVariant(const TransVariant &VInfo, bool IsRead) {
     // Make N-1 copies of this transition's last sequence.
     for (unsigned i = 1, e = SelectedRWs.size(); i != e; ++i) {
       // Create a temporary copy the vector could reallocate.
-      SmallVector<unsigned, 4> Tmp = RWSequences[OperIdx];
-      RWSequences.push_back(Tmp);
+      RWSequences.reserve(RWSequences.size() + 1);
+      RWSequences.push_back(RWSequences[OperIdx]);
     }
     // Push each of the N elements of the SelectedRWs onto a copy of the last
     // sequence (split the current operand into N operands).