From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Fri, 12 Jun 2015 13:06:57 +0000 (+0000)
Subject: [clang-format] Hoist vector allocation out of loop. NFC.
X-Git-Tag: llvmorg-3.7.0-rc1~2492
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3aa55db86dbaa8b47e8ee6a08b9af7b9c8b436dd;p=platform%2Fupstream%2Fllvm.git

[clang-format] Hoist vector allocation out of loop. NFC.

llvm-svn: 239604
---

diff --git a/clang/lib/Format/FormatToken.cpp b/clang/lib/Format/FormatToken.cpp
index 88678ca..316171d 100644
--- a/clang/lib/Format/FormatToken.cpp
+++ b/clang/lib/Format/FormatToken.cpp
@@ -203,11 +203,14 @@ void CommaSeparatedList::precomputeFormattingInfos(const FormatToken *Token) {
 
   // We can never place more than ColumnLimit / 3 items in a row (because of the
   // spaces and the comma).
-  for (unsigned Columns = 1; Columns <= Style.ColumnLimit / 3; ++Columns) {
+  unsigned MaxItems = Style.ColumnLimit / 3;
+  std::vector<unsigned> MinSizeInColumn;
+  MinSizeInColumn.reserve(MaxItems);
+  for (unsigned Columns = 1; Columns <= MaxItems; ++Columns) {
     ColumnFormat Format;
     Format.Columns = Columns;
     Format.ColumnSizes.resize(Columns);
-    std::vector<unsigned> MinSizeInColumn(Columns, UINT_MAX);
+    MinSizeInColumn.assign(Columns, UINT_MAX);
     Format.LineCount = 1;
     bool HasRowWithSufficientColumns = false;
     unsigned Column = 0;