On Wed, 26 Apr 2023, Jan Hubicka wrote:
> > > - if (precise)
> > > + if (precise
> > > + && get_max_loop_iterations_int (loop) == 1)
> > > + {
> > > + if (dump_file && (dump_flags & TDF_DETAILS))
> > > + fprintf (dump_file, "Loop %d no longer loops.\n", loop->num);
> >
> > but m
> > - if (precise)
> > + if (precise
> > + && get_max_loop_iterations_int (loop) == 1)
> > + {
> > + if (dump_file && (dump_flags & TDF_DETAILS))
> > + fprintf (dump_file, "Loop %d no longer loops.\n", loop->num);
>
> but max loop iterations is 1 ...?
I first check for l
On Tue, 25 Apr 2023, Jan Hubicka wrote:
> > On 25 April 2023 17:12:50 CEST, Jan Hubicka via Gcc-patches
> > wrote:
> >
> > + fprintf (stderr, "Bingo\n");
> >
> > You forgot to remove that..
> > Do we prune Bingo in the testsuite? ;-)
> Ah, thanks :)
> I was curious how much I win with unl
> On 25 April 2023 17:12:50 CEST, Jan Hubicka via Gcc-patches
> wrote:
>
> + fprintf (stderr, "Bingo\n");
>
> You forgot to remove that..
> Do we prune Bingo in the testsuite? ;-)
Ah, thanks :)
I was curious how much I win with unlooping.
Updated patch is attached...
* cfgloopmani
On 25 April 2023 17:12:50 CEST, Jan Hubicka via Gcc-patches
wrote:
+ fprintf (stderr, "Bingo\n");
You forgot to remove that..
Do we prune Bingo in the testsuite? ;-)
Hi,
I noticed this after adding sanity check that the upper bound on number
of iterations never drop to -1. It seems to be relatively common case
(happening few hundred times in testsuite and also during bootstrap)
that loop-ch duplicates enough so the loop itself no longer loops.
This is later d
