[all-commits] [llvm/llvm-project] f48fe2: GlobalISel: Fix casted unmerge of G_CONCAT_VECTORS

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f48fe2c36e80e4d3820b5b56f5ad8c9bdbe813c4
      https://github.com/llvm/llvm-project/commit/f48fe2c36e80e4d3820b5b56f5ad8c9bdbe813c4
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-04-13 (Mon, 13 Apr 2020)

  Changed paths:
    M llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
    M llvm/include/llvm/Support/LowLevelTypeImpl.h
    M llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-unmerge-values.mir
    M llvm/unittests/CodeGen/LowLevelTypeTest.cpp

  Log Message:
  -----------
  GlobalISel: Fix casted unmerge of G_CONCAT_VECTORS

This was assuming a scalarizing unmerge, and would fail assert if the
unmerge was to smaller vector types.