[PATCH] D107330: [GlobalISel] Combine shr(shl x, c1), c2 to G_SBFX/G_UBFX

Jay Foad via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Aug 3 06:35:49 PDT 2021

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foad added a comment.

How does this new combine interact with matchAshrShlToSextInreg? If n==k, aren't they both trying to combine the same thing with different results?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D107330/new/

https://reviews.llvm.org/D107330

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