RFR: 8298632: [TESTBUG] Add IR checks in jtreg vectorization tests [v2]

[Pengfei Li]

On Fri, 16 Dec 2022 19:52:46 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

> Looks good.
>
> Need second review. Preferable from some one familiar with x86 IR rules.

Thanks @vnkozlov for the review.

Can I have a second review for x86?

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PR: https://git.openjdk.org/jdk/pull/11687