From: Sanjoy Das <sanjoy@playingwithpointers.com>
Date: Sun, 25 Sep 2016 23:12:08 +0000 (+0000)
Subject: [SCEV] Reserve space in SmallVector; NFC
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=72ec6f5ddab7dda58ef8f8c86b97de2f3a92a257;p=llvm

[SCEV] Reserve space in SmallVector; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282368 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index a5b1be08df6..d6ea15f3957 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -5670,6 +5670,7 @@ ScalarEvolution::BackedgeTakenInfo::BackedgeTakenInfo(
     ArrayRef<ScalarEvolution::EdgeExitInfo> ExitCounts, bool Complete,
     const SCEV *MaxCount)
     : MaxAndComplete(MaxCount, Complete) {
+  ExitNotTaken.reserve(ExitCounts.size());
   std::transform(
       ExitCounts.begin(), ExitCounts.end(), std::back_inserter(ExitNotTaken),
       [&](const ScalarEvolution::EdgeExitInfo &EEI) {