[PATCH] D68532: GlobalISel: Partially implement lower for G_EXTRACT

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: aemerson, aditya_nandakumar, paquette, dsanders.
Herald added subscribers: Petar.Avramovic, volkan, rovka, nhaehnle, wdng, jvesely.

Turn into shift and truncate. Doesn't yet handle pointers.


https://reviews.llvm.org/D68532

Files:
  include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
  lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-extract.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-extract-vector-elt.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-extract.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-shuffle-vector.mir

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