RFR: 8315066: Add unsigned bounds and known bits to TypeInt/Long [v13]

[Quan Anh Mai]

On Thu, 5 Sep 2024 16:59:02 GMT, Jasmine Karthikeyan <jkarthikeyan at openjdk.org> wrote:

>> Quan Anh Mai has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - rename tests
>>  - more explanation
>
> I think in most cases we expect `TypeInteger::make()` to have well-defined inputs and thus well-defined outputs, so I also think it would be good to keep the use sites as they were before for code cleanliness. For places where TOP is allowed there could be another function, maybe `TypeInteger::try_make()`, to signal explicitly that TOP is being handled by the callee code.

Thanks @jaskarth for the really great suggestions. I have made `make` return the concrete type and add an assert that the bounds are legal.

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PR Comment: https://git.openjdk.org/jdk/pull/17508#issuecomment-2332311607