[PATCH] D119139: [InstCombine] generalize 2 LSB of demanded bits for X*X

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

Please can you update the DAG version as well? Either in this patch or a followup.


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  https://reviews.llvm.org/D119139/new/

https://reviews.llvm.org/D119139