[cfe-commits] r110440 - in /cfe/trunk: include/clang/Lex/HeaderSearch.h lib/Lex/HeaderSearch.cpp lib/Lex/PPDirectives.cpp test/Frontend/stdin2.c

[Chris Lattner]

On Aug 6, 2010, at 5:06 AM, Douglas Gregor wrote:

> Author: dgregor
> Date: Fri Aug  6 07:06:13 2010
> New Revision: 110440
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=110440&view=rev
> Log:
> Fix the #include search path when reading from stdin, from Jon Simons!
> Fixes PR4897.

hi Doug,

Did you do any performance checking of this?  HeaderSearch::LookupFile is incredibly performance sensitive for certain things (e.g. building cocoa.h pch file) and this patch probably just slowed it down by 3x.

-Chris