[all-commits] [llvm/llvm-project] 476856: AMDGPU: Make v4bf16 a legal type (#76217)

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 47685633a7dc74451acbc551b111929166d4d0bd
      https://github.com/llvm/llvm-project/commit/47685633a7dc74451acbc551b111929166d4d0bd
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-01-05 (Fri, 05 Jan 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/lib/Target/AMDGPU/SIInstructions.td
    M llvm/test/CodeGen/AMDGPU/bf16.ll
    M llvm/test/CodeGen/AMDGPU/function-args.ll
    M llvm/test/CodeGen/AMDGPU/llvm.is.fpclass.bf16.ll
    M llvm/test/CodeGen/AMDGPU/select-undef.ll
    M llvm/test/CodeGen/AMDGPU/vector_shuffle.packed.ll

  Log Message:
  -----------
  AMDGPU: Make v4bf16 a legal type (#76217)

Gets a few code quality improvements. A few cases are worse
from losing load narrowing.
Depends #76213 #76214 #76215