[PATCH] D120648: [RISCV] DAGcombine fold (bswap(srl (bswap c), x)) -> (shl c, x)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

TBH, this pattern is probably more likely to occur in general code than anything with a bitreverse


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  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D120648/new/

https://reviews.llvm.org/D120648