RFR: 8348411: C2: Remove the control input of LoadKlassNode and LoadNKlassNode [v2]

[Quan Anh Mai]

On Tue, 28 Jan 2025 20:56:30 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>> Quan Anh Mai has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   remove always_see_exact_class
>
> src/hotspot/share/opto/parseHelper.cpp line 168:
> 
>> 166:   // succeeds.
>> 167:   if (MonomorphicArrayCheck && !too_many_traps(Deoptimization::Reason_array_check) && !tak->klass_is_exact()
>> 168:       && tak != TypeInstKlassPtr::OBJECT) {
> 
> I'd also turn `tak != TypeInstKlassPtr::OBJECT` into `tak->isa_aryklassptr()` to stress the intention.
> (Please, keep the original formatting here.)

Done, I assume you meant the formatting of the comment below, right?

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PR Review Comment: https://git.openjdk.org/jdk/pull/23274#discussion_r1935156156