[cfe-commits] r39861 - /cfe/trunk/include/clang/Lex/MacroInfo.h

[Chris Lattner]

Author: lattner
Date: Sat Jul 14 17:15:50 2007
New Revision: 39861

URL: http://llvm.org/viewvc/llvm-project?rev=39861&view=rev
Log:
switch from using a vector to a smallvector for macro replacement tokens
This speeds up parsing carbon.h by 3.3% by avoiding some malloc traffic for 
small macros.

Modified:
    cfe/trunk/include/clang/Lex/MacroInfo.h

Modified: cfe/trunk/include/clang/Lex/MacroInfo.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Lex/MacroInfo.h?rev=39861&r1=39860&r2=39861&view=diff

==============================================================================
--- cfe/trunk/include/clang/Lex/MacroInfo.h (original)
+++ cfe/trunk/include/clang/Lex/MacroInfo.h Sat Jul 14 17:15:50 2007
@@ -15,6 +15,7 @@
 #define LLVM_CLANG_MACROINFO_H
 
 #include "clang/Lex/LexerToken.h"
+#include "llvm/ADT/SmallVector.h"
 #include <vector>
 #include <cassert>
 
@@ -37,7 +38,7 @@
   
   /// ReplacementTokens - This is the list of tokens that the macro is defined
   /// to.
-  std::vector<LexerToken> ReplacementTokens;
+  llvm::SmallVector<LexerToken, 8> ReplacementTokens;
 
   /// IsFunctionLike - True if this macro is a function-like macro, false if it
   /// is an object-like macro.
@@ -157,7 +158,7 @@
     return ReplacementTokens[Tok];
   }
   
-  typedef std::vector<LexerToken>::const_iterator tokens_iterator;
+  typedef llvm::SmallVector<LexerToken, 8>::const_iterator tokens_iterator;
   tokens_iterator tokens_begin() const { return ReplacementTokens.begin(); }
   tokens_iterator tokens_end() const { return ReplacementTokens.end(); }