RFR: 8291809: Convert compiler/c2/cr7200264/TestSSE2IntVect.java to IR verification test [v4]

[Emanuel Peter]

On Wed, 24 Jan 2024 13:05:51 GMT, Daniel Lundén <dlunden at openjdk.org> wrote:

>> This changeset translates the tests in `compiler/c2/cr7200264/` to use the IR verification framework.
>> 
>> The proposed translation, to the extent possible, attempts to preserve the semantics of the original test. A major difference is that the IR checks are now local (for every `test_*` method) instead of global. The execution time of the new test is comparable to the old test.
>> 
>> Testing:
>> - [GitHub Actions](https://github.com/dlunde/jdk/actions/runs/7553846710)
>> - Ran the new translated tests within all tier1 through tier10 contexts on windows-x64, linux-x64, linux-aarch64, macosx-x64, and macosx-aarch64.
>> - Tested that manually adding `-XX:LoopUnrollLimit=0` to the test framework flags caused the translated tests to fail. Note: it is, however, no longer possible to break the test by passing `-XX:LoopUnrollLimit=0` on the command line.
>
> Daniel Lundén has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 11 additional commits since the last revision:
> 
>  - Updates after reviews
>  - Merge remote-tracking branch 'upstream/master' into test-sse2-int-vect-8291809-tmp
>  - Apply suggestions from code review
>    
>    Co-authored-by: Emanuel Peter <emanuel.peter at oracle.com>
>  - Refactor test to use multiple @Test
>  - Remove TestDriver
>  - Readd verification
>  - Finalize changes
>  - Use static initialization block
>  - Experiments
>  - Naive translation complete
>  - ... and 1 more: https://git.openjdk.org/jdk/compare/9eb9fff4...1e4e74f0

LGTM, thanks for the work @dlunde

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Marked as reviewed by epeter (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17428#pullrequestreview-1841381587