[PATCH] D63558: AMDGPU: Undo sub x, c canonicalization for v2i16

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: rampitec, lebedev.ri.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.

Should avoid regression from D62341 <https://reviews.llvm.org/D62341>


https://reviews.llvm.org/D63558

Files:
  lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
  lib/Target/AMDGPU/SIInstrInfo.td
  lib/Target/AMDGPU/VOP3PInstructions.td
  test/CodeGen/AMDGPU/add.v2i16.ll
  test/CodeGen/AMDGPU/chain-hi-to-lo.ll
  test/CodeGen/AMDGPU/shrink-add-sub-constant.ll
  test/CodeGen/AMDGPU/sminmax.v2i16.ll

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