[all-commits] [llvm/llvm-project] db9f0d: AMDGPU: Form v_cvt_ubyte* with f16 results

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: db9f0d1ce5819b350293ff272277329e327215be
      https://github.com/llvm/llvm-project/commit/db9f0d1ce5819b350293ff272277329e327215be
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-03-30 (Mon, 30 Mar 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/cvt_f32_ubyte.ll

  Log Message:
  -----------
  AMDGPU: Form v_cvt_ubyte* with f16 results

We get 2 conversion instructions anyway. Previously we would get a
conversion with SDWA reading from a byte source, which has a larger
encoding.