RFR: 8320649: C2: Optimize scoped values [v4]

[Emanuel Peter]

On Thu, 18 Jan 2024 08:54:42 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Well, now looking at the method... maybe a longer comment with a picture or pseudocode would be helpful.
>> It would greatly help me in reviewing the code - otherwise I basically have to draw the picture on a piece of paper myself before understanding it ;)
>
> I like it the most when there is ascii art that uses the variable names in the code below.

I'll read the code in a later review.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16966#discussion_r1457137040