SLP/Loop vectorizer pass ordering

[Zinovy Nis]

A bit later. At least GVN creates critical edges which are not handled
by loop vectorizer then.

2014-10-06 17:33 GMT+04:00 Hal Finkel <hfinkel at anl.gov>:
> ----- Original Message -----
>> From: "Zinovy Nis" <zinovy.nis at gmail.com>
>> To: "Chandler Carruth" <chandlerc at google.com>
>> Cc: "LLVM Commits" <llvm-commits at cs.uiuc.edu>, "Tobias Grosser" <tobias at grosser.es>
>> Sent: Monday, October 6, 2014 8:19:24 AM
>> Subject: Re: SLP/Loop vectorizer pass ordering
>>
>> Please wait a while, I'm using it to revert the new order as it
>> introduces regression in our internal benchmark: SLP was creating
>> loop
>> vectorization opportunities when was called before LV. Now no such
>> opportunities are available, so we've got a regression.
>
> Interesting. Can you provide any further details?
>
>  -Hal
>
>>
>> 2014-10-06 3:28 GMT+04:00 Chandler Carruth <chandlerc at google.com>:
>> >
>> > On Thu, Sep 4, 2014 at 6:32 AM, James Molloy
>> > <james at jamesmolloy.co.uk>
>> > wrote:
>> >>
>> >> Hi Hal, Chandler,
>> >>
>> >> r217144.
>> >
>> >
>> > Is anyone still using the option to disable this? If I don't hear
>> > anything,
>> > I'll remove this option entirely in the next week.
>> >
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>> >
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>
> --
> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory