[all-commits] [llvm/llvm-project] 3240ae: AMDGPU/GlobalISel: Set dead on scc on manually sel...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3240ae703451ba388ab8321edb797941211b6680
      https://github.com/llvm/llvm-project/commit/3240ae703451ba388ab8321edb797941211b6680
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2023-07-28 (Fri, 28 Jul 2023)

  Changed paths:
    M llvm/include/llvm/CodeGen/MachineInstrBuilder.h
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fshl.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fshr.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgpu-atomic-cmpxchg-global.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgpu-wave-address.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-and.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-brcond.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-build-vector-trunc.v2s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-constant.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-copy.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fabs.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fneg.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-i1-copy.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-load-constant.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-load-global-saddr.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-or.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ptr-add.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ptrmask.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-sext-inreg.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-sext.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-trunc.v2s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-uadde.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-usube.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-xor.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-zext.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/lds-zero-initializer.ll

  Log Message:
  -----------
  AMDGPU/GlobalISel: Set dead on scc on manually selected instructions

In SelectionDAG InstrEmitter automatically puts dead flags on unused
physreg defs everywhere. The generated selectors should also set dead
on physreg defs that were not used in the pattern.