# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx900 -run-pass simple-register-coalescing -verify-machineinstrs -o - %s | FileCheck -check-prefix GCN %s
#
---
name:            _amdgpu_ps_main
alignment:       1
tracksRegLiveness: true
registers:
  - { id: 0, class: sgpr_128 }
  - { id: 1, class: sreg_32_xm0, preferred-register: '%2' }
  - { id: 2, class: sreg_32_xm0, preferred-register: '%1' }
machineFunctionInfo:
  argumentInfo:
    privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
    privateSegmentWaveByteOffset: { reg: '$sgpr33' }
body:             |
  ; GCN-LABEL: name: _amdgpu_ps_main
  ; GCN: bb.0:
  ; GCN-NEXT:   successors: %bb.1(0x80000000)
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT:   %3:vgpr_32 = nofpexcept V_TRUNC_F32_e32 undef %4:vgpr_32, implicit $mode, implicit $exec
  ; GCN-NEXT:   %5:vgpr_32 = nofpexcept V_CVT_U32_F32_e32 %3, implicit $mode, implicit $exec
  ; GCN-NEXT:   [[V_LSHRREV_B32_e32_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e32 4, %5, implicit $exec
  ; GCN-NEXT:   undef %11.sub0:vreg_128 = V_MUL_LO_I32_e64 [[V_LSHRREV_B32_e32_]], 3, implicit $exec
  ; GCN-NEXT:   %11.sub3:vreg_128 = COPY %11.sub0
  ; GCN-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32_xm0 = S_MOV_B32 0
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT: bb.1:
  ; GCN-NEXT:   successors: %bb.1(0x7c000000), %bb.2(0x04000000)
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT:   [[COPY:%[0-9]+]]:vreg_128 = COPY %11
  ; GCN-NEXT:   %11.sub3:vreg_128 = V_ADD_U32_e32 target-flags(amdgpu-rel32-lo) 1, [[COPY]].sub3, implicit $exec
  ; GCN-NEXT:   [[S_ADD_I32_:%[0-9]+]]:sreg_32_xm0 = S_ADD_I32 [[S_ADD_I32_]], 1, implicit-def dead $scc
  ; GCN-NEXT:   S_CMP_LT_U32 [[S_ADD_I32_]], 3, implicit-def $scc
  ; GCN-NEXT:   S_CBRANCH_SCC1 %bb.1, implicit killed $scc
  ; GCN-NEXT:   S_BRANCH %bb.2
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT: bb.2:
  ; GCN-NEXT:   successors: %bb.5(0x40000000), %bb.3(0x40000000)
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT:   S_CBRANCH_SCC1 %bb.5, implicit undef $scc
  ; GCN-NEXT:   S_BRANCH %bb.3
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT: bb.3:
  ; GCN-NEXT:   successors: %bb.4(0x80000000)
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT:   dead %16:vreg_128 = BUFFER_LOAD_FORMAT_XYZW_IDXEN [[COPY]].sub3, undef %17:sgpr_128, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s128) from constant-pool, align 1, addrspace 4)
  ; GCN-NEXT:   dead %18:vgpr_32 = V_MOV_B32_e32 -1, implicit $exec
  ; GCN-NEXT:   [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 $exec, -1, implicit-def dead $scc
  ; GCN-NEXT:   dead %20:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT: bb.4:
  ; GCN-NEXT:   successors: %bb.4(0x7c000000), %bb.6(0x04000000)
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT:   $vcc = COPY [[S_AND_B64_]]
  ; GCN-NEXT:   S_CBRANCH_VCCNZ %bb.4, implicit killed $vcc
  ; GCN-NEXT:   S_BRANCH %bb.6
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT: bb.5:
  ; GCN-NEXT:   %21:vgpr_32 = nofpexcept V_MUL_F32_e32 target-flags(amdgpu-gotprel) 0, %11.sub0, implicit $mode, implicit $exec
  ; GCN-NEXT:   %22:vgpr_32 = nofpexcept V_MIN_F32_e32 1106771968, %21, implicit $mode, implicit $exec
  ; GCN-NEXT:   %23:vgpr_32 = nnan arcp contract reassoc nofpexcept V_MAD_F32_e64 0, %22, 0, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
  ; GCN-NEXT:   %24:vgpr_32 = nnan arcp contract reassoc nofpexcept V_MAD_F32_e64 0, %23, 0, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
  ; GCN-NEXT:   %25:vgpr_32 = nofpexcept V_MAD_F32_e64 0, %24, 0, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
  ; GCN-NEXT:   %26:vgpr_32 = nofpexcept V_CVT_PKRTZ_F16_F32_e64 0, %25, 0, undef %27:vgpr_32, 0, 0, implicit $mode, implicit $exec
  ; GCN-NEXT:   EXP_DONE 0, %26, undef %28:vgpr_32, undef %29:vgpr_32, undef %30:vgpr_32, -1, -1, 15, implicit $exec
  ; GCN-NEXT:   S_ENDPGM 0
  ; GCN-NEXT: {{  $}}
  ; GCN-NEXT: bb.6:
  ; GCN-NEXT:   S_ENDPGM 0
  bb.0:
    %10:vgpr_32 = nofpexcept V_TRUNC_F32_e32 undef %11:vgpr_32, implicit $mode, implicit $exec
    %12:vgpr_32 = nofpexcept V_CVT_U32_F32_e32 killed %10, implicit $mode, implicit $exec
    %50:vgpr_32 = V_LSHRREV_B32_e32 4, killed %12, implicit $exec
    %51:vgpr_32 = V_MUL_LO_I32_e64 killed %50, 3, implicit $exec
    undef %52.sub0:vreg_128 = COPY %51
    %52.sub3:vreg_128 = COPY %51
    %9:sreg_32_xm0 = S_MOV_B32 0
    %70:sreg_32_xm0 = COPY killed %9
    %71:vreg_128 = COPY killed %52

  bb.1:
    successors: %bb.1(0x7c000000), %bb.2(0x04000000)

    %53:vreg_128 = COPY killed %71
    %1:sreg_32_xm0 = COPY killed %70
    %57:vgpr_32 = V_ADD_U32_e32 target-flags(amdgpu-rel32-lo) 1, %53.sub3, implicit $exec
    %55:vreg_128 = COPY %53
    %55.sub3:vreg_128 = COPY killed %57
    %2:sreg_32_xm0 = S_ADD_I32 killed %1, 1, implicit-def dead $scc
    S_CMP_LT_U32 %2, 3, implicit-def $scc
    %54:vreg_128 = COPY %55
    %70:sreg_32_xm0 = COPY killed %2
    %71:vreg_128 = COPY killed %54
    S_CBRANCH_SCC1 %bb.1, implicit killed $scc
    S_BRANCH %bb.2

  bb.2:
    S_CBRANCH_SCC1 %bb.5, implicit undef $scc
    S_BRANCH %bb.3

  bb.3:
    dead %22:vreg_128 = BUFFER_LOAD_FORMAT_XYZW_IDXEN killed %53.sub3, undef %24:sgpr_128, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s128) from constant-pool, align 1, addrspace 4)
    dead %60:vgpr_32 = V_MOV_B32_e32 -1, implicit $exec
    %36:sreg_64 = S_AND_B64 $exec, -1, implicit-def dead $scc
    dead %67:vgpr_32 = V_MOV_B32_e32 0, implicit $exec

  bb.4:
    successors: %bb.4(0x7c000000), %bb.6(0x04000000)

    $vcc = COPY %36
    S_CBRANCH_VCCNZ %bb.4, implicit killed $vcc
    S_BRANCH %bb.6

  bb.5:
    %39:vgpr_32 = nofpexcept V_MUL_F32_e32 target-flags(amdgpu-gotprel) 0, killed %55.sub0, implicit $mode, implicit $exec
    %41:vgpr_32 = nofpexcept V_MIN_F32_e32 1106771968, killed %39, implicit $mode, implicit $exec
    %42:vgpr_32 = nnan arcp contract reassoc nofpexcept V_MAD_F32_e64 0, killed %41, 0, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
    %43:vgpr_32 = nnan arcp contract reassoc nofpexcept V_MAD_F32_e64 0, killed %42, 0, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
    %44:vgpr_32 = nofpexcept V_MAD_F32_e64 0, killed %43, 0, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
    %45:vgpr_32 = nofpexcept V_CVT_PKRTZ_F16_F32_e64 0, killed %44, 0, undef %46:vgpr_32, 0, 0, implicit $mode, implicit $exec
    EXP_DONE 0, killed %45, undef %47:vgpr_32, undef %48:vgpr_32, undef %49:vgpr_32, -1, -1, 15, implicit $exec
    S_ENDPGM 0

  bb.6:
    S_ENDPGM 0

...