[PATCH] D76382: [GlobalISel] Port some basic shufflevector undef combines from the DAGCombiner

[Jessica Paquette via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGc999084619a6: [GlobalISel] Port some basic shufflevector undef combines from the DAGCombiner (authored by paquette).
Herald added a project: LLVM.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D76382/new/

https://reviews.llvm.org/D76382

Files:
  llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
  llvm/include/llvm/Target/GlobalISel/Combine.td
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/prelegalizercombiner-undef.mir

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