From: Aaron Ballman <aaron@aaronballman.com>
Date: Fri, 6 Dec 2013 16:26:55 +0000 (+0000)
Subject: Tweak the ordering of a conditional to possibly avoid a few strcmps.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=24c144e4f672e33695e228260a182b3f60e2694c;p=clang

Tweak the ordering of a conditional to possibly avoid a few strcmps.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@196584 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 954abe25d8..49acd2515d 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -1048,7 +1048,7 @@ static bool HasExtension(const Preprocessor &PP, const IdentifierInfo *II) {
 static bool HasAttribute(const IdentifierInfo *II) {
   StringRef Name = II->getName();
   // Normalize the attribute name, __foo__ becomes foo.
-  if (Name.startswith("__") && Name.endswith("__") && Name.size() >= 4)
+  if (Name.size() >= 4 && Name.startswith("__") && Name.endswith("__"))
     Name = Name.substr(2, Name.size() - 4);
 
   // FIXME: Do we need to handle namespaces here?