[llvm-dev] Existing studies on the benefits of pointer analysis

Daniel Berlin via llvm-dev llvm-dev at lists.llvm.org
Mon Mar 21 12:07:44 PDT 2016


On Mon, Mar 21, 2016 at 12:05 PM, Renato Golin <renato.golin at linaro.org>
wrote:

> On 21 March 2016 at 18:59, Daniel Berlin <dberlin at dberlin.org> wrote:
> > Which is why i've never mentioned it or used it in the community ;)
>
> Makes sense. :)
>
>
> > I would rather see someone spend their time getting SCEV-AA on by
> default or
> > CFL-AA on by default than doing another evaluation.
>
> But those may not be simple enough for a GSOC, that's why I mentioned it.
>
>
CFL-AA should just be fixing performance regressions, and maybe a little
bug fixing, which is hopefully easy enough.  It's already fast enough as a
pass.

SCEV-AA would be harder (must make SCEV-AA faster).

The analysis could not only get us a birds view of the problem ahead,
> but also introduce new developers to AA, which would make their future
> work on SCEV-AA or CFL-AA easier. Kind of a teaching tool to get more
> AA-savvy people.
>

Sure.

>
> cheers,
> --renato
>
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