[all-commits] [llvm/llvm-project] a4edc0: AMDGPU/GlobalISel: Use clamp modifier for [us]adds...

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a4edc04693f76eec9068db0556d6533e4c201d74
      https://github.com/llvm/llvm-project/commit/a4edc04693f76eec9068db0556d6533e4c201d74
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-07-28 (Tue, 28 Jul 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUGISel.td
    M llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
    M llvm/lib/Target/AMDGPU/VOP2Instructions.td
    M llvm/lib/Target/AMDGPU/VOP3Instructions.td
    M llvm/lib/Target/AMDGPU/VOP3PInstructions.td
    M llvm/lib/Target/AMDGPU/VOPInstructions.td
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-saddsat.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ssubsat.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-uaddsat.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-usubsat.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/saddsat.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/ssubsat.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/uaddsat.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/usubsat.ll

  Log Message:
  -----------
  AMDGPU/GlobalISel: Use clamp modifier for [us]addsat/[us]subsat

We also have never handled this for SelectionDAG, which needs
additional work.