[m-rev.] [m-dev.] gh72 test failures at higher optimization levels

Peter Wang novalazy at gmail.com
Fri Jan 29 12:17:19 AEDT 2021

On Fri, 29 Jan 2021 12:07:33 +1100 "Zoltan Somogyi" <zoltan.somogyi at runbox.com> wrote:
> 2021-01-29 11:11 GMT+11:00 "Peter Wang" <novalazy at gmail.com>:
> > On Thu, 28 Jan 2021 19:49:06 +1100 "Zoltan Somogyi" <zoltan.somogyi at runbox.com> wrote:
> > I don't see the connection to .opt files.
> My mistake. You wrote "imported predicates", I read "opt-imported predicates".
> > The problem with calls to imported predicates not being transformed is that
> > find_and_record_any_direct_arg_in_out_posns is called from simplify_proc,
> > but simplify_proc only called for valid non-imported predicates
> > (via process_valid_nonimported_preds_errors).
> That shouldn't be too hard to fix.There are several ways.
> The only reason why find_and_record_any_direct_arg_in_out_posns is called from
> simplify_proc is to avoid an extra traversal. To keep this property,  we should add
> a new predicate in passes_aux.m that processes imported predicates as well,
> and we should call a wrapper around simplify_proc from it. That wrapper
> would call simplify_proc for nonimported predicates, and would just look
> for daio args for imported predicates, and only if the simplify tasks include
> the after-front-end task.

That sounds fine.


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