[PATCH] D135833: [RISCV] Match (select C, -1, X)->(or -C, X) during lowerSelect

[Philip Reames via Phabricator via llvm-commits]

reames added a comment.

LGTM.

I'm going to glance at the missing DAGCombine and see if the other approach works cleanly; if it does, I may propose removing these.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D135833/new/

https://reviews.llvm.org/D135833