[PATCH] D138067: GlobalISel: Try to fold G_SEXT_INREG to G_AND with mask

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 475703.
arsenm added a comment.

Add vector tests. The constant simplify in the scalar case seems to not happen here after the fold


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138067/new/

https://reviews.llvm.org/D138067

Files:
  llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
  llvm/include/llvm/Target/GlobalISel/Combine.td
  llvm/test/CodeGen/AMDGPU/GlobalISel/prelegalizer-combiner-sext_inreg-to-and.mir

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