[cfe-commits] r40420 - /cfe/trunk/Driver/PrintPreprocessedOutput.cpp

[Chris Lattner]

Author: lattner
Date: Mon Jul 23 00:18:42 2007
New Revision: 40420

URL: http://llvm.org/viewvc/llvm-project?rev=40420&view=rev
Log:
If a token doesn't need cleaning, we can get its first character
without having to get the whole token.  This speeds up -E on 
447.dealII by 1.8%

Modified:
    cfe/trunk/Driver/PrintPreprocessedOutput.cpp

Modified: cfe/trunk/Driver/PrintPreprocessedOutput.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Driver/PrintPreprocessedOutput.cpp?rev=40420&r1=40419&r2=40420&view=diff

==============================================================================
--- cfe/trunk/Driver/PrintPreprocessedOutput.cpp (original)
+++ cfe/trunk/Driver/PrintPreprocessedOutput.cpp Mon Jul 23 00:18:42 2007
@@ -332,6 +332,10 @@
   if (IdentifierInfo *II = Tok.getIdentifierInfo()) {
     // Avoid spelling identifiers, the most common form of token.
     FirstChar = II->getName()[0];
+  } else if (!Tok.needsCleaning()) {
+    SourceManager &SrcMgr = PP.getSourceManager();
+    FirstChar =
+      *SrcMgr.getCharacterData(SrcMgr.getPhysicalLoc(Tok.getLocation()));
   } else if (Tok.getLength() < 256) {
     const char *TokPtr = Buffer;
     PP.getSpelling(Tok, TokPtr);