RFR: 8280126: C2: detect and remove dead irreducible loops [v3]

[Emanuel Peter]

On Mon, 23 Jan 2023 11:43:18 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Improvements after review (Vladimir K)
>
> src/hotspot/share/opto/loopnode.cpp line 5294:
> 
>> 5292:     return false; // no irreducible loop in graph
>> 5293:   }
>> 5294:   IdealLoopTree *l = get_loop(region); // l: innermost loop that contains region
> 
> Suggestion:
> 
>   IdealLoopTree* l = get_loop(region); // l: innermost loop that contains region

duplicate suggestion

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PR: https://git.openjdk.org/jdk/pull/11764