[PATCH] D119089: [RISCV] Teach RISCVDAGToDAGISel::selectShiftMask to replace sub from constant with neg.

[Zakk Chen via Phabricator via llvm-commits]

khchen accepted this revision.
khchen added a comment.
This revision is now accepted and ready to land.

Cool, LGTM!
It seems it worth to have sub immediate + branch optimization.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D119089/new/

https://reviews.llvm.org/D119089