[PATCH] D85197: GlobalISel: Implement fewerElementsVector for G_CONCAT_VECTORS sources

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: paquette, aemerson, dsanders, aditya_nandakumar, Petar.Avramovic.
Herald added subscribers: kerbowa, hiraditya, tschuett, rovka, nhaehnle, jvesely.
Herald added a project: LLVM.
arsenm requested review of this revision.
Herald added a subscriber: wdng.

This fixes <6 x s16> = G_CONCAT_VECTORS from <3 x s16> handling.


https://reviews.llvm.org/D85197

Files:
  llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-and.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-concat-vectors.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-or.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-saddsat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ssubsat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-uaddsat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-usubsat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-xor.mir

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