[all-commits] [llvm/llvm-project] 84386b: AMDGPU: Drop special case f64 fround lowering

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 84386b2d8ae89fee9ab8d1ebfa045e2a0ea8eaba
      https://github.com/llvm/llvm-project/commit/84386b2d8ae89fee9ab8d1ebfa045e2a0ea8eaba
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-03-16 (Mon, 16 Mar 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
    M llvm/test/CodeGen/AMDGPU/llvm.round.f64.ll

  Log Message:
  -----------
  AMDGPU: Drop special case f64 fround lowering

The result is better if ftrunc is emitted and separately legalized
when unavailable.