[all-commits] [llvm/llvm-project] 5a5035: AMDGPU/GlobalISel: Implement expansion for rsq.clamp

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 5a503521e7b757bda70325f4c01bdbc0f4e3128e
      https://github.com/llvm/llvm-project/commit/5a503521e7b757bda70325f4c01bdbc0f4e3128e
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-08-06 (Thu, 06 Aug 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
    M llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
    A llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-amdgcn.rsq.clamp.mir
    A llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.rsq.clamp.ll

  Log Message:
  -----------
  AMDGPU/GlobalISel: Implement expansion for rsq.clamp

Not sure why we handle this removed instruction on newer subtargets
for this one and no others, but maintain compatibility with the DAG.