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

[Roland Westrelin]

On Fri, 10 Nov 2023 11:33:45 GMT, Christian Hagedorn <chagedorn 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.

Or maybe parsing the output of `TraceLoopOpts`.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/15536#issuecomment-1806053109