RFR: 8369448: C2 SuperWord: refactor VTransform to do move_unordered_reduction_out_of_loop during VTransform::optimize [v4]

[Emanuel Peter]

On Mon, 13 Oct 2025 08:38:54 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> src/hotspot/share/opto/vtransform.cpp line 43:
>> 
>>> 41:   )
>>> 42: 
>>> 43: void VTransformGraph::optimize(VTransform& vtransform) {
>> 
>> Note: this is similar to IGVN optimization. But we are a bit lazy, and don't care about notifiation / worklist.
>
> Can you add that as a method comment?

Good idea!

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PR Review Comment: https://git.openjdk.org/jdk/pull/27704#discussion_r2425713492