[PATCH] D63991: AMDGPU/GlobalISel: Make s16 select legal

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: tstellar, nhaehnle.
Herald added subscribers: Petar.Avramovic, t-tye, tpr, dstuttard, kristof.beyls, rovka, yaxunl, wdng, jvesely, kzhuravl.

This is easy to handle and avoids legalization artifacts which are
likely to obscure combines.


https://reviews.llvm.org/D63991

Files:
  lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
  lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  test/CodeGen/AMDGPU/GlobalISel/inst-select-select.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-fcmp.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-icmp.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-select.mir

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