RFR: 8345700: tier{1, 2, 3}_compiler don't cover all compiler tests

[Leonid Mesnik]

On Fri, 6 Dec 2024 20:10:08 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> Hi, 
> could you please review following fix that update
> tier3_compiler test group
> so :hotspot_compiler is always a sum of
> tier1_compiler, tier2_compiler, tier3_compiler
> This is natural splitting of tests into 3 layers. 
> The fix is done to execution :hotspot_compiler into 3 tiers with corresponding group names.
> 
> New tests in tier3:
> 9 tests in compiler/ccp/
> 22 test in ompiler/predicates/
> 8 tests in compiler/splitif/
> So the number is not increased significantly.
> 
> The new group
> ` tier2_ctw`
> was introduced for ctw testing. 
> It is different from tests in hotspot_compiler, and usually executed separately, So I added it as separate sub-test of tier2.
> 
> I moved id from tier3 to tier2 to correspond current tiers of Hotspot CI in our system. 
> If anyone thinks it should be part of tier3 - we can discuss in PR comments how do deal with it.
> 
> @shipilev, could you please take a look and check if these changes are ok to you since you the author of tier2/tier3.

The
 :hotspot_slow_compiler  
is already in tier3.

The are only few groups has been added ad I wrote in description. They are not slow.
The problem is that currently for hotspot compiler tier1 + tier2 + tier3 are not all tests and there is no tier4_compiler.

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PR Comment: https://git.openjdk.org/jdk/pull/22614#issuecomment-2526662694