RFR: 8320649: C2: Optimize scoped values [v9]

[Emanuel Peter]

On Thu, 2 May 2024 18:44:25 GMT, Roland Westrelin <roland at openjdk.org> wrote:

>> I'm waiting for @rwestrel to respond to my last list of comments/questions.
>
> @eme64 change is ready for another review

@rwestrel one idea to split things here:
- Early inline of ScopedValue methods
- Parsing to IR nodes and expansion back.
- Optimization
- Tests

This way, I can spend only a few hours on one at a time, and we can get this done.
Of course, you cannot really integrate an individual one, maybe there is a way to use skara for dependent PR's?

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PR Comment: https://git.openjdk.org/jdk/pull/16966#issuecomment-2095515126