On Tue, Jan 17, 2023 at 12:22:42PM +0100, Aldy Hernandez wrote:
>
>
> On 1/17/23 12:19, Jakub Jelinek wrote:
> > On Tue, Jan 17, 2023 at 12:14:14PM +0100, Aldy Hernandez wrote:
> > > > A question would be if it would be worth to activate it in this spot
> > > > lazily
> > > > if it isn't active yet (and destruct at the end of the pass).
> > >
> > > That's what it was designed for :). If you're making sporadic requests,
> > > the
> > > on-demand mechanism should be fast enough.
> >
> > So what should be done to do the on-demand query rather than global one?
>
> gimple_ranger ranger;
> if (ranger.range_of_expr (r, .....))
> // business as usual
So not worth making the ranger somewhere in the pass (if it is really
sporadic like this one)?
Will test together with the removal of B from the range.
Jakub
