SLP/Loop vectorizer pass ordering

[Hal Finkel]

----- 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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-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory