[PATCH] D90170: [InstCombine] InstCombinerImpl::visitOr - enable limited bitreverse matching

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

I think its mainly a compile-time concern - bswap is a common pattern (and we bail out in cases where we perform sub-byte operations), bitreverse is not.


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  https://reviews.llvm.org/D90170/new/

https://reviews.llvm.org/D90170