[PATCH] D137026: [X86] Use GFNI for vXi8 shifts/rotates

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 474942.
RKSimon edited the summary of this revision.
RKSimon added a comment.

Ensure the shift/rotation amounts are in range, which allows us to simplify the mask generation


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137026/new/

https://reviews.llvm.org/D137026

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/gfni-funnel-shifts.ll
  llvm/test/CodeGen/X86/gfni-rotates.ll
  llvm/test/CodeGen/X86/gfni-shifts.ll
  llvm/test/CodeGen/X86/min-legal-vector-width.ll

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