[PATCH] D57522: GlobalISel: Implement narrowScalar for select

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: aemerson, aditya_nandakumar, volkan, dsanders, paquette.
Herald added subscribers: Petar.Avramovic, kristof.beyls, rovka, nhaehnle, wdng, jvesely.

Don't handle vector conditions.

      

I think this can be merged in the future with
fewerElementsVectorSelect, although this becomes slightly tricky with
a vector condition.


https://reviews.llvm.org/D57522

Files:
  include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
  lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  test/CodeGen/AMDGPU/GlobalISel/legalize-select.mir

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