RFR: 8369448: C2 SuperWord: refactor VTransform to do move_unordered_reduction_out_of_loop during VTransform::optimize [v2]

Christian Hagedorn chagedorn at openjdk.org
Mon Oct 13 09:13:15 UTC 2025


On Wed, 8 Oct 2025 22:45:50 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   For Vladimir K7
>
> 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?

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PR Review Comment: https://git.openjdk.org/jdk/pull/27704#discussion_r2425575749


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