RFR: JDK-8287284: C2: loop optimization performs split_thru_phi infinitely many times [v3]

Mon Nov 13 10:16:01 UTC 2023

On Fri, 10 Nov 2023 16:34:27 GMT, Roland Westrelin <roland at openjdk.org> wrote:

> If not, you could think about adding an IR test that checks that we are not adding too many phis/loads. It's not perfect but at least something.

I added an IR test on number of PHI's now. The test passes with the fix and fails without the fix.

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PR Comment: https://git.openjdk.org/jdk/pull/15536#issuecomment-1807859031