[llvm-testresults] Broken buildbot: llvm-gcc-i386-linux-selfhost

[Jakob Stoklund Olesen]

On Sep 27, 2010, at 8:32 AM, Evan Cheng wrote:

> 
> 
> On Sep 27, 2010, at 7:09 AM, Jakob Stoklund Olesen <stoklund at 2pi.dk> wrote:
> 
>> 
>> On Sep 26, 2010, at 11:11 AM, Duncan Sands wrote:
>> 
>>> Hi Jakob, I managed to reproduce this locally.  It seems to be due to:
>> 
>> Thanks for doing this, Duncan!
>> 
>>> r114633 | evancheng | 2010-09-23 08:55:34 +0200 (Thu, 23 Sep 2010) | 3 lines
>>> 
>>> Disable codegen prepare critical edge splitting. Machine instruction passes now
>>> break critical edges on demand.
>> 
>> Evan, I think we should back out this patch until the problem is resolved.
> 
> Ok. 

Reverted in r 114859.

There is a change this build will go green now:

http://google1.osuosl.org:8011/builders/clang-i686-linux-selfhost-rel/builds/26

> 
>> 
>> My guess is that disabling splitting in CGP forces more splitting in later passes, including a case that isn't handled correctly.
>> 
>>> I will try to create a stand-alone testcase later.
>> 
>> That would be really helpful, thanks!
> 
> Thanks. Please get me a test case. My days are filled with meetings for the next few day so it's hard to find much time to debug this. 
> 
> Evan
> 
>> 
>> /jakob
>>