[cfe-commits] r40419 - /cfe/trunk/Driver/PrintPreprocessedOutput.cpp

[Chris Lattner]

Author: lattner
Date: Mon Jul 23 00:14:05 2007
New Revision: 40419

URL: http://llvm.org/viewvc/llvm-project?rev=40419&view=rev
Log:
A minor tweak to -E output, speeding up -E 1.5% on 447.dealII

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=40419&r1=40418&r2=40419&view=diff

==============================================================================
--- cfe/trunk/Driver/PrintPreprocessedOutput.cpp (original)
+++ cfe/trunk/Driver/PrintPreprocessedOutput.cpp Mon Jul 23 00:14:05 2007
@@ -151,10 +151,13 @@
   // If this line is "close enough" to the original line, just print newlines,
   // otherwise print a #line directive.
   if (LineNo-CurLine < 8) {
-    unsigned Line = CurLine;
-    for (; Line != LineNo; ++Line)
+    if (LineNo-CurLine == 1)
       OutputChar('\n');
-    CurLine = Line;
+    else {
+      const char *NewLines = "\n\n\n\n\n\n\n\n";
+      OutputString(NewLines, LineNo-CurLine);
+      CurLine = LineNo;
+    }
   } else {
     if (EmittedTokensOnThisLine) {
       OutputChar('\n');