[jdk18u] RFR: 8286283: assert(func2 == 0 && func3 == 0) failed: not unary

Fri May 6 11:41:59 UTC 2022

On Fri, 6 May 2022 11:29:46 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> Issue relates to incorrect conditional check based on input edge count to skip predicated unary/binary logic operation during logic cone collection stage of macro logic optimization. 
> 
> Problem is only seen with JDK-18 released version and not with JDK mainline which contains a re-designed algorithm for macrologic optimization to support predicated logic operations.
> 
> Patch replaces edge count based check to detect predicated IR node with a strict node level flag based check.
> 
> Kindly review and share your feedback.
> 
> Best Regards,
> Jatin

Could you please clarify which change fixed this in mainline?

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PR: https://git.openjdk.java.net/jdk18u/pull/123