third_party/llvm-7.0/llvm/test/CodeGen/AMDGPU/sdwa-gfx9.mir

# RUN: llc -march=amdgcn -mcpu=kaveri -run-pass=si-peephole-sdwa -o - %s | FileCheck -check-prefix=CI -check-prefix=GCN %s
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=si-peephole-sdwa -o - %s | FileCheck -check-prefix=VI -check-prefix=GCN %s
# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=si-peephole-sdwa -o - %s | FileCheck -check-prefix=GFX9 -check-prefix=GCN %s

# GCN-LABEL: {{^}}name: add_shr_i32
# GCN: [[SMOV:%[0-9]+]]:sreg_32_xm0 = S_MOV_B32 123

# CI: [[SHIFT:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, %{{[0-9]+}}, implicit $exec
# CI: %{{[0-9]+}}:vgpr_32 = V_ADD_I32_e32 [[SMOV]], killed [[SHIFT]], implicit-def $vcc, implicit $exec

# VI: [[VMOV:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 [[SMOV]], implicit $exec
# VI: %{{[0-9]+}}:vgpr_32 = V_ADD_I32_sdwa 0, [[VMOV]], 0, %{{[0-9]+}}, 0, 6, 0, 6, 5, implicit-def $vcc, implicit $exec

# GFX9: %{{[0-9]+}}:vgpr_32 = V_ADD_I32_sdwa 0, [[SMOV]], 0, %{{[0-9]+}}, 0, 6, 0, 6, 5, implicit-def $vcc, implicit $exec

---
name:            add_shr_i32
tracksRegLiveness: true
registers:
  - { id: 0, class: vreg_64 }
  - { id: 1, class: vreg_64 }
  - { id: 2, class: sreg_64 }
  - { id: 3, class: vgpr_32 }
  - { id: 4, class: sreg_32_xm0 }
  - { id: 5, class: sreg_32_xm0 }
  - { id: 6, class: sreg_32 }
  - { id: 7, class: sreg_32_xm0 }
  - { id: 8, class: sreg_32 }
  - { id: 9, class: vgpr_32 }
  - { id: 10, class: vgpr_32 }
  - { id: 11, class: vgpr_32 }
  - { id: 12, class: sreg_32_xm0 }
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $sgpr30_sgpr31

    %2 = COPY $sgpr30_sgpr31
    %1 = COPY $vgpr2_vgpr3
    %0 = COPY $vgpr0_vgpr1
    %3 = FLAT_LOAD_DWORD %1, 0, 0, 0, implicit $exec, implicit $flat_scr :: (load 4)
    %12 = S_MOV_B32 123
    %10 = V_LSHRREV_B32_e64 16, %3, implicit $exec
    %11 = V_ADD_I32_e32 %12, killed %10, implicit-def $vcc, implicit $exec
    FLAT_STORE_DWORD %0, %11, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4)
    $sgpr30_sgpr31 = COPY %2
    S_SETPC_B64_return $sgpr30_sgpr31

...

# GCN-LABEL: {{^}}name: trunc_shr_f32

# CI: [[SHIFT:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, %{{[0-9]+}}, implicit $exec
# CI: %{{[0-9]+}}:vgpr_32 = V_TRUNC_F32_e64 0, killed [[SHIFT]], 1, 2, implicit-def $vcc, implicit $exec

# VI: [[SHIFT:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, %{{[0-9]+}}, implicit $exec
# VI: %{{[0-9]+}}:vgpr_32 = V_TRUNC_F32_e64 0, killed [[SHIFT]], 1, 2, implicit-def $vcc, implicit $exec

#GFX9: %{{[0-9]+}}:vgpr_32 = V_TRUNC_F32_sdwa 0, %{{[0-9]+}}, 1, 2, 6, 0, 5, implicit $exec

---
name:            trunc_shr_f32
tracksRegLiveness: true
registers:
  - { id: 0, class: vreg_64 }
  - { id: 1, class: vreg_64 }
  - { id: 2, class: sreg_64 }
  - { id: 3, class: vgpr_32 }
  - { id: 4, class: sreg_32_xm0 }
  - { id: 5, class: sreg_32_xm0 }
  - { id: 6, class: sreg_32 }
  - { id: 7, class: sreg_32_xm0 }
  - { id: 8, class: sreg_32 }
  - { id: 9, class: vgpr_32 }
  - { id: 10, class: vgpr_32 }
  - { id: 11, class: vgpr_32 }
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $sgpr30_sgpr31

    %2 = COPY $sgpr30_sgpr31
    %1 = COPY $vgpr2_vgpr3
    %0 = COPY $vgpr0_vgpr1
    %3 = FLAT_LOAD_DWORD %1, 0, 0, 0, implicit $exec, implicit $flat_scr :: (load 4)
    %10 = V_LSHRREV_B32_e64 16, %3, implicit $exec
    %11 = V_TRUNC_F32_e64 0, killed %10, 1, 2, implicit-def $vcc, implicit $exec
    FLAT_STORE_DWORD %0, %11, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4)
    $sgpr30_sgpr31 = COPY %2
    S_SETPC_B64_return $sgpr30_sgpr31