RFR: 8289051: C2: Cleanup PhaseCCP::analyze() [v2]

[Christian Hagedorn]

On Wed, 17 Aug 2022 11:37:52 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> As part of [JDK-8288683](https://bugs.openjdk.org/browse/JDK-8288683), which went into JDK 19, I separated out most of the included refactorings into this cleanup RFE to make the fix as small as possible.
>> 
>> This cleanup includes:
>> - More comments and better descriptions.
>> - Renamed some variables.
>> - Split code into multiple methods to improve the readability.
>> 
>> Thanks,
>> Christian
>
> Christian Hagedorn has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update src/hotspot/share/opto/phaseX.cpp
>   
>   Co-authored-by: Tobias Hartmann <tobias.hartmann at oracle.com>

Thanks Vladimir for your review!

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PR: https://git.openjdk.org/jdk/pull/9833