llvm-project/llvm/test/CodeGen/AMDGPU/fold-immediate-output-mods.mir

# RUN: llc -march=amdgcn -run-pass peephole-opt -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
...
# GCN-LABEL: name: no_fold_imm_madak_mac_clamp_f32
# GCN: %23:vgpr_32 = V_MOV_B32_e32 1090519040, implicit $exec
# GCN-NEXT: %24:vgpr_32 = nofpexcept V_MAC_F32_e64 0, killed %19, 0, killed %21, 0, %23, 1, 0, implicit $mode, implicit $exec

name:            no_fold_imm_madak_mac_clamp_f32
tracksRegLiveness: true
registers:
  - { id: 0, class: sgpr_64 }
  - { id: 1, class: sreg_32_xm0 }
  - { id: 2, class: sgpr_32 }
  - { id: 3, class: vgpr_32 }
  - { id: 4, class: sreg_64_xexec }
  - { id: 5, class: sreg_64_xexec }
  - { id: 6, class: sreg_64_xexec }
  - { id: 7, class: sreg_32 }
  - { id: 8, class: sreg_32 }
  - { id: 9, class: sreg_32_xm0 }
  - { id: 10, class: sreg_64 }
  - { id: 11, class: sreg_32_xm0 }
  - { id: 12, class: sreg_32_xm0 }
  - { id: 13, class: sgpr_64 }
  - { id: 14, class: sgpr_128 }
  - { id: 15, class: sreg_32_xm0 }
  - { id: 16, class: sreg_64 }
  - { id: 17, class: sgpr_128 }
  - { id: 18, class: sgpr_128 }
  - { id: 19, class: vgpr_32 }
  - { id: 20, class: vreg_64 }
  - { id: 21, class: vgpr_32 }
  - { id: 22, class: vreg_64 }
  - { id: 23, class: vgpr_32 }
  - { id: 24, class: vgpr_32 }
  - { id: 25, class: vgpr_32 }
  - { id: 26, class: vreg_64 }
  - { id: 27, class: vgpr_32 }
  - { id: 28, class: vreg_64 }
  - { id: 29, class: vreg_64 }
liveins:
  - { reg: '$sgpr0_sgpr1', virtual-reg: '%0' }
  - { reg: '$vgpr0', virtual-reg: '%3' }
body:             |
  bb.0:
    liveins: $sgpr0_sgpr1, $vgpr0

    %3 = COPY $vgpr0
    %0 = COPY $sgpr0_sgpr1
    %4 = S_LOAD_DWORDX2_IMM %0, 9, 0, 0
    %5 = S_LOAD_DWORDX2_IMM %0, 11, 0, 0
    %6 = S_LOAD_DWORDX2_IMM %0, 13, 0, 0
    %27 = V_ASHRREV_I32_e32 31, %3, implicit $exec
    %28 = REG_SEQUENCE %3, 1, %27, 2
    %11 = S_MOV_B32 61440
    %12 = S_MOV_B32 0
    %13 = REG_SEQUENCE killed %12, 1, killed %11, 2
    %14 = REG_SEQUENCE killed %5, 17, %13, 18
    %15 = S_MOV_B32 2
    %29 = V_LSHL_B64 killed %28, killed %15, implicit $exec
    %17 = REG_SEQUENCE killed %6, 17, %13, 18
    %18 = REG_SEQUENCE killed %4, 17, %13, 18
    %20 = COPY %29
    %19 = BUFFER_LOAD_DWORD_ADDR64 %20, killed %14, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    %22 = COPY %29
    %21 = BUFFER_LOAD_DWORD_ADDR64 %22, killed %17, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    %23 = V_MOV_B32_e32 1090519040, implicit $exec
    %24 = nofpexcept V_MAC_F32_e64 0, killed %19, 0, killed %21, 0, %23, 1, 0, implicit $mode, implicit $exec
    %26 = COPY %29
    BUFFER_STORE_DWORD_ADDR64 killed %24, %26, killed %18, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    S_ENDPGM 0

...
---
# GCN-LABEL: name: no_fold_imm_madak_mac_omod_f32
# GCN: %23:vgpr_32 = V_MOV_B32_e32 1090519040, implicit $exec
# GCN: %24:vgpr_32 = nofpexcept V_MAC_F32_e64 0, killed %19, 0, killed %21, 0, %23, 0, 2, implicit $mode, implicit $exec

name:            no_fold_imm_madak_mac_omod_f32
tracksRegLiveness: true
registers:
  - { id: 0, class: sgpr_64 }
  - { id: 1, class: sreg_32_xm0 }
  - { id: 2, class: sgpr_32 }
  - { id: 3, class: vgpr_32 }
  - { id: 4, class: sreg_64_xexec }
  - { id: 5, class: sreg_64_xexec }
  - { id: 6, class: sreg_64_xexec }
  - { id: 7, class: sreg_32 }
  - { id: 8, class: sreg_32 }
  - { id: 9, class: sreg_32_xm0 }
  - { id: 10, class: sreg_64 }
  - { id: 11, class: sreg_32_xm0 }
  - { id: 12, class: sreg_32_xm0 }
  - { id: 13, class: sgpr_64 }
  - { id: 14, class: sgpr_128 }
  - { id: 15, class: sreg_32_xm0 }
  - { id: 16, class: sreg_64 }
  - { id: 17, class: sgpr_128 }
  - { id: 18, class: sgpr_128 }
  - { id: 19, class: vgpr_32 }
  - { id: 20, class: vreg_64 }
  - { id: 21, class: vgpr_32 }
  - { id: 22, class: vreg_64 }
  - { id: 23, class: vgpr_32 }
  - { id: 24, class: vgpr_32 }
  - { id: 25, class: vgpr_32 }
  - { id: 26, class: vreg_64 }
  - { id: 27, class: vgpr_32 }
  - { id: 28, class: vreg_64 }
  - { id: 29, class: vreg_64 }
liveins:
  - { reg: '$sgpr0_sgpr1', virtual-reg: '%0' }
  - { reg: '$vgpr0', virtual-reg: '%3' }
body:             |
  bb.0:
    liveins: $sgpr0_sgpr1, $vgpr0

    %3 = COPY $vgpr0
    %0 = COPY $sgpr0_sgpr1
    %4 = S_LOAD_DWORDX2_IMM %0, 9, 0, 0
    %5 = S_LOAD_DWORDX2_IMM %0, 11, 0, 0
    %6 = S_LOAD_DWORDX2_IMM %0, 13, 0, 0
    %27 = V_ASHRREV_I32_e32 31, %3, implicit $exec
    %28 = REG_SEQUENCE %3, 1, %27, 2
    %11 = S_MOV_B32 61440
    %12 = S_MOV_B32 0
    %13 = REG_SEQUENCE killed %12, 1, killed %11, 2
    %14 = REG_SEQUENCE killed %5, 17, %13, 18
    %15 = S_MOV_B32 2
    %29 = V_LSHL_B64 killed %28, killed %15, implicit $exec
    %17 = REG_SEQUENCE killed %6, 17, %13, 18
    %18 = REG_SEQUENCE killed %4, 17, %13, 18
    %20 = COPY %29
    %19 = BUFFER_LOAD_DWORD_ADDR64 %20, killed %14, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    %22 = COPY %29
    %21 = BUFFER_LOAD_DWORD_ADDR64 %22, killed %17, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    %23 = V_MOV_B32_e32 1090519040, implicit $exec
    %24 = nofpexcept V_MAC_F32_e64 0, killed %19, 0, killed %21, 0, %23, 0, 2, implicit $mode, implicit $exec
    %26 = COPY %29
    BUFFER_STORE_DWORD_ADDR64 killed %24, %26, killed %18, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    S_ENDPGM 0

...
---
# GCN: name: no_fold_imm_madak_mad_clamp_f32
# GCN: %23:vgpr_32 = V_MOV_B32_e32 1090519040, implicit $exec
# GCN: %24:vgpr_32 = nofpexcept V_MAD_F32 0, killed %19, 0, killed %21, 0, %23, 1, 0, implicit $mode, implicit $exec

name:            no_fold_imm_madak_mad_clamp_f32
tracksRegLiveness: true
registers:
  - { id: 0, class: sgpr_64 }
  - { id: 1, class: sreg_32_xm0 }
  - { id: 2, class: sgpr_32 }
  - { id: 3, class: vgpr_32 }
  - { id: 4, class: sreg_64_xexec }
  - { id: 5, class: sreg_64_xexec }
  - { id: 6, class: sreg_64_xexec }
  - { id: 7, class: sreg_32 }
  - { id: 8, class: sreg_32 }
  - { id: 9, class: sreg_32_xm0 }
  - { id: 10, class: sreg_64 }
  - { id: 11, class: sreg_32_xm0 }
  - { id: 12, class: sreg_32_xm0 }
  - { id: 13, class: sgpr_64 }
  - { id: 14, class: sgpr_128 }
  - { id: 15, class: sreg_32_xm0 }
  - { id: 16, class: sreg_64 }
  - { id: 17, class: sgpr_128 }
  - { id: 18, class: sgpr_128 }
  - { id: 19, class: vgpr_32 }
  - { id: 20, class: vreg_64 }
  - { id: 21, class: vgpr_32 }
  - { id: 22, class: vreg_64 }
  - { id: 23, class: vgpr_32 }
  - { id: 24, class: vgpr_32 }
  - { id: 25, class: vgpr_32 }
  - { id: 26, class: vreg_64 }
  - { id: 27, class: vgpr_32 }
  - { id: 28, class: vreg_64 }
  - { id: 29, class: vreg_64 }
liveins:
  - { reg: '$sgpr0_sgpr1', virtual-reg: '%0' }
  - { reg: '$vgpr0', virtual-reg: '%3' }
body:             |
  bb.0:
    liveins: $sgpr0_sgpr1, $vgpr0

    %3 = COPY $vgpr0
    %0 = COPY $sgpr0_sgpr1
    %4 = S_LOAD_DWORDX2_IMM %0, 9, 0, 0
    %5 = S_LOAD_DWORDX2_IMM %0, 11, 0, 0
    %6 = S_LOAD_DWORDX2_IMM %0, 13, 0, 0
    %27 = V_ASHRREV_I32_e32 31, %3, implicit $exec
    %28 = REG_SEQUENCE %3, 1, %27, 2
    %11 = S_MOV_B32 61440
    %12 = S_MOV_B32 0
    %13 = REG_SEQUENCE killed %12, 1, killed %11, 2
    %14 = REG_SEQUENCE killed %5, 17, %13, 18
    %15 = S_MOV_B32 2
    %29 = V_LSHL_B64 killed %28, killed %15, implicit $exec
    %17 = REG_SEQUENCE killed %6, 17, %13, 18
    %18 = REG_SEQUENCE killed %4, 17, %13, 18
    %20 = COPY %29
    %19 = BUFFER_LOAD_DWORD_ADDR64 %20, killed %14, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    %22 = COPY %29
    %21 = BUFFER_LOAD_DWORD_ADDR64 %22, killed %17, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    %23 = V_MOV_B32_e32 1090519040, implicit $exec
    %24 = nofpexcept V_MAD_F32 0, killed %19, 0, killed %21, 0, %23, 1, 0, implicit $mode, implicit $exec
    %26 = COPY %29
    BUFFER_STORE_DWORD_ADDR64 killed %24, %26, killed %18, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    S_ENDPGM 0

...
---
# GCN: name: no_fold_imm_madak_mad_omod_f32
# GCN: %23:vgpr_32 = V_MOV_B32_e32 1090519040, implicit $exec
# GCN: %24:vgpr_32 = nofpexcept V_MAD_F32 0, killed %19, 0, killed %21, 0, %23, 0, 1, implicit $mode, implicit $exec

name:            no_fold_imm_madak_mad_omod_f32
tracksRegLiveness: true
registers:
  - { id: 0, class: sgpr_64 }
  - { id: 1, class: sreg_32_xm0 }
  - { id: 2, class: sgpr_32 }
  - { id: 3, class: vgpr_32 }
  - { id: 4, class: sreg_64_xexec }
  - { id: 5, class: sreg_64_xexec }
  - { id: 6, class: sreg_64_xexec }
  - { id: 7, class: sreg_32 }
  - { id: 8, class: sreg_32 }
  - { id: 9, class: sreg_32_xm0 }
  - { id: 10, class: sreg_64 }
  - { id: 11, class: sreg_32_xm0 }
  - { id: 12, class: sreg_32_xm0 }
  - { id: 13, class: sgpr_64 }
  - { id: 14, class: sgpr_128 }
  - { id: 15, class: sreg_32_xm0 }
  - { id: 16, class: sreg_64 }
  - { id: 17, class: sgpr_128 }
  - { id: 18, class: sgpr_128 }
  - { id: 19, class: vgpr_32 }
  - { id: 20, class: vreg_64 }
  - { id: 21, class: vgpr_32 }
  - { id: 22, class: vreg_64 }
  - { id: 23, class: vgpr_32 }
  - { id: 24, class: vgpr_32 }
  - { id: 25, class: vgpr_32 }
  - { id: 26, class: vreg_64 }
  - { id: 27, class: vgpr_32 }
  - { id: 28, class: vreg_64 }
  - { id: 29, class: vreg_64 }
liveins:
  - { reg: '$sgpr0_sgpr1', virtual-reg: '%0' }
  - { reg: '$vgpr0', virtual-reg: '%3' }
body:             |
  bb.0:
    liveins: $sgpr0_sgpr1, $vgpr0

    %3 = COPY $vgpr0
    %0 = COPY $sgpr0_sgpr1
    %4 = S_LOAD_DWORDX2_IMM %0, 9, 0, 0
    %5 = S_LOAD_DWORDX2_IMM %0, 11, 0, 0
    %6 = S_LOAD_DWORDX2_IMM %0, 13, 0, 0
    %27 = V_ASHRREV_I32_e32 31, %3, implicit $exec
    %28 = REG_SEQUENCE %3, 1, %27, 2
    %11 = S_MOV_B32 61440
    %12 = S_MOV_B32 0
    %13 = REG_SEQUENCE killed %12, 1, killed %11, 2
    %14 = REG_SEQUENCE killed %5, 17, %13, 18
    %15 = S_MOV_B32 2
    %29 = V_LSHL_B64 killed %28, killed %15, implicit $exec
    %17 = REG_SEQUENCE killed %6, 17, %13, 18
    %18 = REG_SEQUENCE killed %4, 17, %13, 18
    %20 = COPY %29
    %19 = BUFFER_LOAD_DWORD_ADDR64 %20, killed %14, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    %22 = COPY %29
    %21 = BUFFER_LOAD_DWORD_ADDR64 %22, killed %17, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    %23 = V_MOV_B32_e32 1090519040, implicit $exec
    %24 = nofpexcept V_MAD_F32 0, killed %19, 0, killed %21, 0, %23, 0, 1, implicit $mode, implicit $exec
    %26 = COPY %29
    BUFFER_STORE_DWORD_ADDR64 killed %24, %26, killed %18, 0, 0, 0, 0, 0, 0, 0, implicit $exec
    S_ENDPGM 0

...