# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass si-pre-emit-peephole -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s

---
name:            simple
body:             |
  bb.0:

    ; GCN-LABEL: name: simple
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            salu_in_between
body:             |
  bb.0:

    ; GCN-LABEL: name: salu_in_between
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: $sgpr0 = S_MOV_B32 $sgpr2
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  $sgpr0 = S_MOV_B32 $sgpr2
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            valu_write_in_between
body:             |
  bb.0:

    ; GCN-LABEL: name: valu_write_in_between
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: $vgpr20 = V_MOV_B32_e32 1, implicit $exec
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  $vgpr20 = V_MOV_B32_e32 1, implicit $exec
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            valu_read_in_between
body:             |
  bb.0:

    ; GCN-LABEL: name: valu_read_in_between
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: V_NOP_e32 implicit $exec, implicit $vgpr0
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  V_NOP_e32 implicit $exec, implicit $vgpr0
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            changed_index
body:             |
  bb.0:

    ; GCN-LABEL: name: changed_index
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: $sgpr2 = S_MOV_B32 1
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  $sgpr2 = S_MOV_B32 1
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            implicitly_changed_index
body:             |
  bb.0:

    ; GCN-LABEL: name: implicitly_changed_index
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: S_NOP 0, implicit-def $sgpr2
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_NOP 0, implicit-def $sgpr2
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            changed_m0
body:             |
  bb.0:

    ; GCN-LABEL: name: changed_m0
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: $m0 = S_MOV_B32 1
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  $m0 = S_MOV_B32 1
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            implicitly_changed_m0
body:             |
  bb.0:

    ; GCN-LABEL: name: implicitly_changed_m0
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: S_NOP 0, implicit-def $m0
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_NOP 0, implicit-def $m0
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            same_imm_index
body:             |
  bb.0:

    ; GCN-LABEL: name: same_imm_index
    ; GCN: S_SET_GPR_IDX_ON 1, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON 1, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON 1, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

name:            different_imm_index
body:             |
  bb.0:

  S_SET_GPR_IDX_ON 1, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON 2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            different_gpr_index
body:             |
  bb.0:

    ; GCN-LABEL: name: different_gpr_index
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr1, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON killed $sgpr1, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            different_gpr_index_then_same_index
body:             |
  bb.0:

    ; GCN-LABEL: name: different_gpr_index_then_same_index
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: S_SET_GPR_IDX_ON $sgpr1, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr1, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            use_m0_with_idx_off
body:             |
  bb.0:

    ; GCN-LABEL: name: use_m0_with_idx_off
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  S_SET_GPR_IDX_OFF
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            three_in_a_row
body:             |
  bb.0:

    ; GCN-LABEL: name: three_in_a_row
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: $vgpr17 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: $vgpr18 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr17 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr18 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            different_gpr_index_then_two_same_indexes
body:             |
  bb.0:

    ; GCN-LABEL: name: different_gpr_index_then_two_same_indexes
    ; GCN: S_SET_GPR_IDX_ON $sgpr1, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr1, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            two_same_indexes_then_different
body:             |
  bb.0:

    ; GCN-LABEL: name: two_same_indexes_then_different
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
    ; GCN: S_SET_GPR_IDX_ON killed $sgpr1, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON killed $sgpr1, 1, implicit-def $m0, implicit undef $m0
  $vgpr15 = V_MOV_B32_e32 undef $vgpr0, implicit $exec, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  S_SET_GPR_IDX_OFF
...

---
name:            indirect_mov
body:             |
  bb.0:

    ; GCN-LABEL: name: indirect_mov
    ; GCN: S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
    ; GCN: $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
    ; GCN: V_MOV_B32_indirect undef $vgpr0, undef $vgpr3, implicit $exec, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3(tied-def 3)
    ; GCN: V_MOV_B32_indirect undef $vgpr0, undef $vgpr3, implicit $exec, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3(tied-def 3)
    ; GCN: S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON $sgpr2, 1, implicit-def $m0, implicit undef $m0
  $vgpr16 = V_MOV_B32_e32 undef $vgpr1, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, implicit $m0
  V_MOV_B32_indirect undef $vgpr0, undef $vgpr3, implicit $exec, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3(tied-def 3)
  S_SET_GPR_IDX_OFF
  S_SET_GPR_IDX_ON killed $sgpr2, 1, implicit-def $m0, implicit undef $m0
  V_MOV_B32_indirect undef $vgpr0, undef $vgpr3, implicit $exec, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3, implicit killed $vgpr0_vgpr1_vgpr2_vgpr3(tied-def 3)
  S_SET_GPR_IDX_OFF
...