[PATCH] D88307: [DON'T MERGE] Jump-threading for finite state automata

Dávid Bolvanský via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Oct 5 05:10:44 PDT 2020


xbolva00 added a comment.

In D88307#2311574 <https://reviews.llvm.org/D88307#2311574>, @eastig wrote:

> In D88307#2311350 <https://reviews.llvm.org/D88307#2311350>, @xbolva00 wrote:
>
>> Did you consider to implement more Agressive Jump Threading instead of a new pass for specific use (FSMs)? Like following solutions:
>>
>> - gcc/libfirm jt http://beza1e1.tuxen.de/articles/jump_threading.html
>> - codasip jump threading https://codasip.com/wp-content/uploads/2019/08/Codasip_Jump_Threading.pdf
>
> Do you mean to improve the existing LLVM Jump Threading pass?

Yes, either improve current one or write new more powerful JT pass.


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