RFR: 8288294: [vector] Add Identity/Ideal transformations for vector logic operations

[Vladimir Kozlov]

On Thu, 30 Jun 2022 03:29:55 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

> The comment means: for masked operations, the result of non-masked lanes should be from `in(1)`, and the masked lanes are from the operation results.

Okay, I got it finally. Thank you for explanation.

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PR: https://git.openjdk.org/jdk/pull/9211