[cfe-commits] r168098 - in /cfe/trunk/test/Index: annotate-comments.cpp comment-to-html-xml-conversion.cpp

[John McCall]

On Jun 20, 2013, at 12:49 AM, Dmitri Gribenko <gribozavr at gmail.com> wrote:
> On Thu, Jun 20, 2013 at 12:43 AM, Chandler Carruth <chandlerc at google.com> wrote:
>> On Thu, Nov 15, 2012 at 2:03 PM, Dmitri Gribenko <gribozavr at gmail.com>
>> wrote:
>>> 
>>> Author: gribozavr
>>> Date: Thu Nov 15 16:03:13 2012
>>> New Revision: 168098
>>> 
>>> URL: http://llvm.org/viewvc/llvm-project?rev=168098&view=rev
>>> Log:
>>> Split annotate-comments.cpp into a fragile (that uses hardcoded line
>>> numbers)
>>> and a non-fragile (that uses [[@LINE]]) parts.
>>> 
>>> Added:
>>>    cfe/trunk/test/Index/comment-to-html-xml-conversion.cpp
>> 
>> 
>> Hey Dmitri,
>> 
>> I've no real idea why (it doesn't look that big), but this test is one of
>> the slowest for me taking over 20 seconds. Do you see the same? Any ideas
>> why?
> 
> Hi Chandler,
> 
> Yes, this is a known problem that I don't know how to fix, though.
> The reason is FileCheck being slow on many CHECK lines with regexps.

That's odd if true.  This test is quite small compared to some IR-gen tests, and those tend to have many more regexps than this.  Is it possible that there's poor performance on some specific regexp or set of regexps?

John.