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Re: TODO_rebuild_alias and -O0

From: ludo at gnu dot org (Ludovic Courtès)
To: Richard Guenther <richard dot guenther at gmail dot com>
Cc: gcc at gcc dot gnu dot org
Date: Mon, 08 Oct 2012 11:58:58 +0200
Subject: Re: TODO_rebuild_alias and -O0
References: <87y5jhe2lt.fsf@gnu.org> <CAFiYyc3R8MZZjC5wSrOE80nJ4-2E5AM3S=9wz-s9ej87Osgkbw@mail.gmail.com>

Richard Guenther <richard.guenther@gmail.com> skribis:

> At -O0 no virtual operands are produced.  TODO_rebuild_alias only computes
> points-to sets which are in itself not useful.
>
> What do you want to achieve with TODO_rebuild_alias?

I basically want to use âptr_derefs_may_alias_pâ in this particular pass.

Thanks,
Ludoâ.

Follow-Ups:
- Re: TODO_rebuild_alias and -O0
  - From: Richard Guenther

References:
- TODO_rebuild_alias and -O0
  - From: Ludovic Courtès
- Re: TODO_rebuild_alias and -O0
  - From: Richard Guenther

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