[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 clattner at apple.com
Fri Aug 6 14:02:39 PDT 2010

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.


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