RFR: 8351833: Unexpected increase in live nodes when splitting Phis through MergeMems in PhiNode::Ideal [v3]

[Christian Hagedorn]

On Thu, 10 Apr 2025 11:41:11 GMT, Daniel Lundén <dlunden at openjdk.org> wrote:

>> test/hotspot/jtreg/TEST.groups line 187:
>> 
>>> 185:   compiler/interpreter/ \
>>> 186:   compiler/jvmci/ \
>>> 187:   compiler/itergvn/ \
>> 
>> I suggest to use the short name `igvn`
>> 
>> On a separate note, I think we should go through all our test folders in `jtreg/compiler` and check if we should add more folders to tier1. For example, `splitif` or `predicates` tests are currently not executed in tier1 but they probably should.
>
> Thanks, fixed! Do you want to create an RFE for adding the additional folders to tier1 or should I create one?

I can create one.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24325#discussion_r2037228715