[PATCH] D120648: [RISCV] DAG combine bswap(srl (bswap t), x) to shl t, x

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In D120648#3348422 <https://reviews.llvm.org/D120648#3348422>, @frasercrmck wrote:

> Is this a target-independent optimization that's worth doing in general DAGCombine?

+1 This looks like a useful generic fold to me.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D120648/new/

https://reviews.llvm.org/D120648