[PATCH] D68416: AMDGPU/GlobalISel: Select more G_INSERT cases

[Matt Arsenault via Phabricator via llvm-commits]

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

At minimum handle the s64 insert type, which are emitted in real cases
during legalization.

      

We really need TableGen to emit something to emit something like the
nverse of composeSubRegIndices do determine the subreg index to use.


https://reviews.llvm.org/D68416

Files:
  lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
  test/CodeGen/AMDGPU/GlobalISel/inst-select-insert.mir

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