[PATCH] D109671: [AMDGPU] Add BFE pattern matches for constrained shifts.

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

Can we more generally just fold out and of 31 since the shifts ignore the high bits anyway?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D109671/new/

https://reviews.llvm.org/D109671