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

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

I was looking at solving the same test cases by doing

(bitreverse (srl X, C)) -> (shl (bitreverse X), C)

I'll post my patch.


Repository:
  rG LLVM Github Monorepo

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

https://reviews.llvm.org/D120648