On Tue, Aug 4, 2020 at 8:40 AM Aldy Hernandez via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> VR_RANGE of [-INF,+INF] is canonicalized to VARYING at creation.
> That is why the test now becomes varying_p().
>
> gcc/ChangeLog:
>
> * vr-values.c (simplify_using_ranges::vrp_evaluate_conditional):
> Adjust
> for irange API.
> ---
> gcc/vr-values.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/gcc/vr-values.c b/gcc/vr-values.c
> index 1190fa96453..90ba8fca246 100644
> --- a/gcc/vr-values.c
> +++ b/gcc/vr-values.c
> @@ -2495,11 +2495,7 @@ simplify_using_ranges::vrp_evaluate_conditional
> (tree_code code, tree op0,
> tree type = TREE_TYPE (op0);
> const value_range_equiv *vr0 = get_value_range (op0);
>
> - if (vr0->kind () == VR_RANGE
> - && INTEGRAL_TYPE_P (type)
> - && vrp_val_is_min (vr0->min ())
> - && vrp_val_is_max (vr0->max ())
> - && is_gimple_min_invariant (op1))
> + if (vr0->varying_p () && INTEGRAL_TYPE_P (type))
You dropped the is_gimple_min_invariant (op1) check.
> {
> location_t location;
>
> --
> 2.26.2
>
