Re: [PATCH 1/2] - Add BB option for outgoing_edge_range_p.

[Richard Biener <richard.guenther@gmail.com>]

On Fri, Dec 3, 2021 at 9:41 PM Andrew MacLeod via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> has_edge_range_p() and may_recompute_p() currently only take an optional
> edge as a parameter.  They only indicate if a range *might* be
> calculated for a name, but they do not do any calculations.
>
> To determine the results, they always consult the exports for the
> edge->src block. the value is true or false for every edge, so its
> really a basic block property.  This patch makes the option available to
> consult directly with the BB, and calls that for the edge version.
>
> Without this, if you want to know if a basic block can affect a range,
> you have to pick an arbitrary outgoing edge and ask with that.. which
> seems a little awkward.
>
> This patch is used by the next one.
>
> Bootstrapped on  x86_64-pc-linux-gnu with no regressions. OK?

OK.

>
> Andrew