[llvm-dev] [RFC] New pass: LoopExitValues

[Hal Finkel via llvm-dev]

----- Original Message -----
> From: "Steve King" <steve at metrokings.com>
> To: "Hal Finkel" <hfinkel at anl.gov>
> Cc: "Wei Mi" <wmi at google.com>, "Philip Reames" <listmail at philipreames.com>, "llvm-dev" <llvm-dev at lists.llvm.org>
> Sent: Wednesday, September 23, 2015 2:09:52 PM
> Subject: Re: [llvm-dev] [RFC] New pass: LoopExitValues
> 
> On Wed, Sep 23, 2015 at 12:00 PM, Hal Finkel <hfinkel at anl.gov> wrote:
> >>
> >> Should we try the patch in it's current location, namely after
> >> LSR?
> >
> > Sure; post the patch as you have it so we can look at what's going
> > on.
> >
> 
> http://reviews.llvm.org/D12494
> 
> One particular point: The algorithm checks that SCEV's are equal when
> their raw pointers are equal.  Is that a future-proof feature of
> SCEVs?

Yes. If we ever change that, we'll have a lot of code to update.

 -Hal

> 

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