[llvm] r282368 - [SCEV] Reserve space in SmallVector; NFC

[Sanjoy Das via llvm-commits]

Author: sanjoy
Date: Sun Sep 25 18:12:08 2016
New Revision: 282368

URL: http://llvm.org/viewvc/llvm-project?rev=282368&view=rev
Log:
[SCEV] Reserve space in SmallVector; NFC

Modified:
    llvm/trunk/lib/Analysis/ScalarEvolution.cpp

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=282368&r1=282367&r2=282368&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Sun Sep 25 18:12:08 2016
@@ -5670,6 +5670,7 @@ ScalarEvolution::BackedgeTakenInfo::Back
     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) {