[PATCH] D65440: GlobalISel: Add widenScalar for G_UNMERGE_VALUES sources

[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.

Extract the relevant bits with shifts.


https://reviews.llvm.org/D65440

Files:
  lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  test/CodeGen/AMDGPU/GlobalISel/legalize-merge-values.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-unmerge-values.mir

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