# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-before=greedy,0 -stop-after=virtregrewriter,0 -simplify-mir -o - %s | FileCheck %s
--- |
  define void @main() #0 {
    ret void
  }

  attributes #0 = { "amdgpu-waves-per-eu"="10,10" }

...
---
name:            main
tracksRegLiveness: true
machineFunctionInfo:
  scratchRSrcReg:  '$sgpr0_sgpr1_sgpr2_sgpr3'
  frameOffsetReg:  '$sgpr33'
  stackPtrOffsetReg: '$sgpr32'
  sgprForEXECCopy: '$sgpr58_sgpr59'
body:             |
  ; CHECK-LABEL: name: main
  ; CHECK: bb.0:
  ; CHECK-NEXT:   liveins: $vgpr0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   dead renamable $sgpr5 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead undef [[DEF:%[0-9]+]].sub0:vreg_64 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead renamable $sgpr5 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead undef [[DEF2:%[0-9]+]].sub0:vreg_64 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead renamable $sgpr5 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead undef [[DEF3:%[0-9]+]].sub1:vreg_64 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead renamable $sgpr5 = IMPLICIT_DEF
  ; CHECK-NEXT:   renamable $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51 = S_LOAD_DWORDX16_IMM undef renamable $sgpr4_sgpr5, 0, 0 :: (invariant load (s512), align 32, addrspace 4)
  ; CHECK-NEXT:   renamable $sgpr24 = IMPLICIT_DEF implicit-def $sgpr25
  ; CHECK-NEXT:   renamable $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19 = S_LOAD_DWORDX16_IMM undef renamable $sgpr4_sgpr5, 0, 0 :: (invariant load (s512), align 32, addrspace 4)
  ; CHECK-NEXT:   $exec = S_MOV_B64_term undef renamable $sgpr4_sgpr5
  ; CHECK-NEXT:   S_CBRANCH_EXECZ %bb.5, implicit $exec
  ; CHECK-NEXT:   S_BRANCH %bb.4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   liveins: $sgpr24_sgpr25_sgpr26_sgpr27:0x000000000000000F, $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19:0x000000000000FFFF, $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51:0x000000000000FFFF
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   $exec = S_MOV_B64_term undef renamable $sgpr4_sgpr5
  ; CHECK-NEXT:   S_CBRANCH_EXECNZ %bb.3, implicit $exec
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   liveins: $sgpr24_sgpr25_sgpr26_sgpr27:0x000000000000000F, $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19:0x000000000000FFFF, $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51:0x000000000000FFFF
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   dead [[IMAGE_SAMPLE_LZ_V1_V2_:%[0-9]+]]:vgpr_32 = IMAGE_SAMPLE_LZ_V1_V2 undef [[DEF3]], killed renamable $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43, undef renamable $sgpr24_sgpr25_sgpr26_sgpr27, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
  ; CHECK-NEXT:   dead [[IMAGE_SAMPLE_LZ_V1_V2_1:%[0-9]+]]:vgpr_32 = IMAGE_SAMPLE_LZ_V1_V2 undef [[DEF3]], killed renamable $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11, renamable $sgpr24_sgpr25_sgpr26_sgpr27, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
  ; CHECK-NEXT:   SI_RETURN
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3:
  ; CHECK-NEXT:   liveins: $sgpr24_sgpr25_sgpr26_sgpr27:0x000000000000000F, $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19:0x000000000000FFFF
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   renamable $sgpr12 = IMPLICIT_DEF
  ; CHECK-NEXT:   renamable $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead undef [[IMAGE_SAMPLE_LZ_V1_V2_2:%[0-9]+]].sub0:vreg_96 = IMAGE_SAMPLE_LZ_V1_V2 undef [[DEF3]], killed renamable $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43, renamable $sgpr12_sgpr13_sgpr14_sgpr15, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
  ; CHECK-NEXT:   renamable $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51 = S_LOAD_DWORDX16_IMM undef renamable $sgpr4_sgpr5, 0, 0 :: (invariant load (s512), align 32, addrspace 4)
  ; CHECK-NEXT:   renamable $sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead undef [[IMAGE_SAMPLE_LZ_V1_V2_3:%[0-9]+]].sub0:vreg_128 = IMAGE_SAMPLE_LZ_V1_V2 undef [[DEF3]], undef renamable $sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, killed renamable $sgpr12_sgpr13_sgpr14_sgpr15, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
  ; CHECK-NEXT:   S_BRANCH %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4:
  ; CHECK-NEXT:   liveins: $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19:0x000000000000FFFF, $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51:0x00000000FFFFFFFF
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   renamable $sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27 = COPY killed renamable $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51
  ; CHECK-NEXT:   renamable $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51 = IMPLICIT_DEF
  ; CHECK-NEXT:   dead [[IMAGE_SAMPLE_LZ_V1_V2_4:%[0-9]+]]:vgpr_32 = IMAGE_SAMPLE_LZ_V1_V2 undef [[DEF]], killed renamable $sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, undef renamable $sgpr24_sgpr25_sgpr26_sgpr27, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
  ; CHECK-NEXT:   renamable $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51 = COPY killed renamable $sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27
  ; CHECK-NEXT:   S_BRANCH %bb.6
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5:
  ; CHECK-NEXT:   liveins: $sgpr24_sgpr25_sgpr26_sgpr27:0x000000000000000F, $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19:0x000000000000FFFF, $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51:0x000000000000FFFF
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   $exec = S_XOR_B64_term $exec, undef renamable $sgpr4_sgpr5, implicit-def $scc
  ; CHECK-NEXT:   S_CBRANCH_EXECZ %bb.7, implicit $exec
  ; CHECK-NEXT:   S_BRANCH %bb.1
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.6:
  ; CHECK-NEXT:   liveins: $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19:0x000000000000FFFF, $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51:0x00000000FFFFFFFF
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   dead [[IMAGE_SAMPLE_LZ_V1_V2_5:%[0-9]+]]:vgpr_32 = IMAGE_SAMPLE_LZ_V1_V2 undef [[DEF]], renamable $sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, undef renamable $sgpr8_sgpr9_sgpr10_sgpr11, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
  ; CHECK-NEXT:   renamable $sgpr25 = COPY undef renamable $sgpr24, implicit-def $sgpr24
  ; CHECK-NEXT:   S_CBRANCH_VCCNZ %bb.6, implicit undef $vcc
  ; CHECK-NEXT:   S_BRANCH %bb.5
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.7:
  ; CHECK-NEXT:   SI_RETURN
  bb.0:
    liveins: $vgpr0

    undef %0.sub1:sreg_64 = IMPLICIT_DEF
    %1:sgpr_512 = IMPLICIT_DEF
    undef %2.sub0:vreg_64 = IMPLICIT_DEF
    %3:sgpr_256 = IMPLICIT_DEF
    undef %4.sub1:sgpr_64 = IMPLICIT_DEF
    %5:vgpr_32 = IMPLICIT_DEF
    undef %6.sub0:vreg_64 = IMPLICIT_DEF
    undef %7.sub1:sreg_64 = IMPLICIT_DEF
    undef %8.sub1:vreg_64 = IMPLICIT_DEF
    undef %9.sub1:sreg_64 = IMPLICIT_DEF
    %10:sgpr_512 = S_LOAD_DWORDX16_IMM undef %0, 0, 0 :: (invariant load (s512), align 32, addrspace 4)
    undef %11.sub0:sgpr_128 = IMPLICIT_DEF
    %12:sgpr_512 = S_LOAD_DWORDX16_IMM undef %7, 0, 0 :: (invariant load (s512), align 32, addrspace 4)
    $exec = S_MOV_B64_term undef %9
    S_CBRANCH_EXECZ %bb.5, implicit $exec
    S_BRANCH %bb.4

  bb.1:
    $exec = S_MOV_B64_term undef %9
    S_CBRANCH_EXECNZ %bb.3, implicit $exec

  bb.2:
    %13:vgpr_32 = IMAGE_SAMPLE_LZ_V1_V2 undef %8, %10.sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7, undef %11, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
    %14:vgpr_32 = IMAGE_SAMPLE_LZ_V1_V2 undef %8, %12.sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7, %11, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
    SI_RETURN

  bb.3:
    undef %15.sub0:sgpr_128 = IMPLICIT_DEF
    undef %16.sub0:vreg_96 = IMAGE_SAMPLE_LZ_V1_V2 undef %8, %1.sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7, %15, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
    undef %17.sub0:vreg_128 = IMAGE_SAMPLE_LZ_V1_V2 undef %8, undef %10.sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15, %3.sub0_sub1_sub2_sub3, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
    S_BRANCH %bb.2

  bb.4:
    %18:vgpr_32 = IMAGE_SAMPLE_LZ_V1_V2 undef %2, %1.sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15, undef %11, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
    S_BRANCH %bb.6

  bb.5:
    $exec = S_XOR_B64_term $exec, undef %9, implicit-def $scc
    S_CBRANCH_EXECZ %bb.7, implicit $exec
    S_BRANCH %bb.1

  bb.6:
    %19:vgpr_32 = IMAGE_SAMPLE_LZ_V1_V2 undef %2, %10.sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15, undef %3.sub4_sub5_sub6_sub7, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 8)
    undef %11.sub1:sgpr_128 = COPY undef %11.sub0
    S_CBRANCH_VCCNZ %bb.6, implicit undef $vcc
    S_BRANCH %bb.5

  bb.7:
    SI_RETURN

...