[PATCH] D56347: AMDGPU/GlobalISel: Start selectively legalizing 16-bit operations

[Matt Arsenault via Phabricator via llvm-commits]

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

It might be a bit nicer to use the fancy .legalIf and co. predicates,
but this was requiring more boilerplate and disables the coverage
assertions.


https://reviews.llvm.org/D56347

Files:
  lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  test/CodeGen/AMDGPU/GlobalISel/legalize-ashr.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-lshr.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-shl.mir

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