[PUSHED 5/8] Adjust vrp_evaluate_conditional for irange API.

Aldy Hernandez aldyh@redhat.com
Tue Aug 4 09:23:54 GMT 2020



On 8/4/20 8:55 AM, Richard Biener wrote:
> 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.

Ah, thanks.

Pushed the attached patch.

Aldy
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