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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 52# RUN: llc %s -mtriple=amdgcn -mcpu=gfx1030 -run-pass=si-peephole-sdwa -o - | FileCheck %s3 4---5name: cndmask_b32 # can be directly converted to SDWA without a copy to VCC6tracksRegLiveness: true7body: |8  bb.0:9    liveins: $vgpr0, $vgpr1, $vcc10 11    ; CHECK-LABEL: name: cndmask_b3212    ; CHECK: liveins: $vgpr0, $vgpr1, $vcc13    ; CHECK-NEXT: {{  $}}14    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr115    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr016    ; CHECK-NEXT: [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, [[COPY]], implicit $exec17    ; CHECK-NEXT: [[V_LSHRREV_B32_e64_1:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, [[COPY1]], implicit $exec18    ; CHECK-NEXT: [[V_CNDMASK_B32_sdwa:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_sdwa 0, [[COPY]], 0, [[COPY1]], 0, 6, 0, 5, 5, implicit $vcc_lo, implicit $exec19    ; CHECK-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_sdwa]]20    ; CHECK-NEXT: SI_RETURN implicit $vgpr021    %0:vgpr_32 = COPY $vgpr122    %1:vgpr_32 = COPY $vgpr023    %2:vgpr_32 = V_LSHRREV_B32_e64 16, %0, implicit $exec24    %3:vgpr_32 = V_LSHRREV_B32_e64 16, %1, implicit $exec25    %4:vgpr_32 = V_CNDMASK_B32_e32 killed %2, killed %3, implicit $exec, implicit $vcc26    $vgpr0 = COPY %427    SI_RETURN implicit $vgpr028...29 30# For SDWA conversion of V_CNDMASK, the carry-in operand must be31# available in VCC_LO.  This is achieved by introducing a COPY32# instruction. Comparison instructions could be changed to VOP2 form33# intead, but we prefer to use a COPY.34 35---36name: carry-compare37tracksRegLiveness: true38body:             |39  bb.0:40    liveins: $vgpr041 42    ; CHECK-LABEL: name: carry-compare43    ; CHECK: liveins: $vgpr044    ; CHECK-NEXT: {{  $}}45    ; CHECK-NEXT: [[DEF:%[0-9]+]]:sreg_32_xm0_xexec = IMPLICIT_DEF46    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF47    ; CHECK-NEXT: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_32_xm0_xexec = V_CMP_EQ_U32_e64 undef [[DEF]], 1, implicit $exec48    ; CHECK-NEXT: [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, undef [[DEF1]], implicit $exec49    ; CHECK-NEXT: $vcc_lo = COPY killed [[V_CMP_EQ_U32_e64_]]50    ; CHECK-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec51    ; CHECK-NEXT: [[V_CNDMASK_B32_sdwa:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_sdwa 0, [[V_MOV_B32_e32_]], 0, undef [[DEF1]], 0, 6, 0, 6, 5, implicit $vcc_lo, implicit $exec52    ; CHECK-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_sdwa]]53    ; CHECK-NEXT: SI_RETURN implicit $vgpr054    %0:sreg_32_xm0_xexec = IMPLICIT_DEF55    %1:vgpr_32 = IMPLICIT_DEF56    %2:sreg_32_xm0_xexec = V_CMP_EQ_U32_e64 undef %0, 1, implicit $exec57    %3:vgpr_32 = V_LSHRREV_B32_e64 16, undef %1, implicit $exec58    %4:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, %3, killed %2, implicit $exec59    $vgpr0 = COPY %460    SI_RETURN implicit $vgpr061...62 63---64name: carry-compare-class65tracksRegLiveness: true66body:             |67  bb.0:68    liveins: $vgpr069 70    ; CHECK-LABEL: name: carry-compare-class71    ; CHECK: liveins: $vgpr072    ; CHECK-NEXT: {{  $}}73    ; CHECK-NEXT: [[DEF:%[0-9]+]]:sreg_32_xm0_xexec = IMPLICIT_DEF74    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF75    ; CHECK-NEXT: [[V_CMP_CLASS_F32_e64_:%[0-9]+]]:sreg_32_xm0_xexec = V_CMP_CLASS_F32_e64 2, undef [[DEF]], 1, implicit $exec76    ; CHECK-NEXT: [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, undef [[DEF1]], implicit $exec77    ; CHECK-NEXT: $vcc_lo = COPY killed [[V_CMP_CLASS_F32_e64_]]78    ; CHECK-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec79    ; CHECK-NEXT: [[V_CNDMASK_B32_sdwa:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_sdwa 0, [[V_MOV_B32_e32_]], 0, undef [[DEF1]], 0, 6, 0, 6, 5, implicit $vcc_lo, implicit $exec80    ; CHECK-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_sdwa]]81    ; CHECK-NEXT: SI_RETURN implicit $vgpr082    %0:sreg_32_xm0_xexec = IMPLICIT_DEF83    %1:vgpr_32 = IMPLICIT_DEF84    %2:sreg_32_xm0_xexec = V_CMP_CLASS_F32_e64 2, undef %0, 1, implicit $exec85    %3:vgpr_32 = V_LSHRREV_B32_e64 16, undef %1, implicit $exec86    %4:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, %3, killed %2, implicit $exec87    $vgpr0 = COPY %488    SI_RETURN implicit $vgpr089...90 91...92---93name: carry-non-compare94tracksRegLiveness: true95body:             |96  bb.0:97    liveins: $vgpr098 99    ; CHECK-LABEL: name: carry-non-compare100    ; CHECK: liveins: $vgpr0101    ; CHECK-NEXT: {{  $}}102    ; CHECK-NEXT: [[DEF:%[0-9]+]]:sreg_32_xm0_xexec = IMPLICIT_DEF103    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF104    ; CHECK-NEXT: [[V_PK_MAX_F16_:%[0-9]+]]:vgpr_32 = V_PK_MAX_F16 8, [[DEF1]], 8, [[DEF1]], 0, 0, 0, 0, 0, implicit $mode, implicit $exec105    ; CHECK-NEXT: [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, [[V_PK_MAX_F16_]], implicit $exec106    ; CHECK-NEXT: $vcc_lo = COPY killed undef [[DEF]]107    ; CHECK-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec108    ; CHECK-NEXT: [[V_CNDMASK_B32_sdwa:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_sdwa 0, [[V_MOV_B32_e32_]], 0, [[V_PK_MAX_F16_]], 0, 6, 0, 6, 5, implicit $vcc_lo, implicit $exec109    ; CHECK-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_sdwa]]110    ; CHECK-NEXT: SI_RETURN implicit $vgpr0111    %0:sreg_32_xm0_xexec = IMPLICIT_DEF112    %1:vgpr_32 = IMPLICIT_DEF113    %2:vgpr_32 = V_PK_MAX_F16 8, %1, 8, %1, 0, 0, 0, 0, 0, implicit $mode, implicit $exec114    %3:vgpr_32 = V_LSHRREV_B32_e64 16, %2, implicit $exec115    %4:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, %3, killed undef %0, implicit $exec116    $vgpr0 = COPY %4117    SI_RETURN implicit $vgpr0118...119 120...121---122name: carry-multiuse123tracksRegLiveness: true124body:             |125  bb.0:126    liveins: $vgpr0, $vgpr1127 128    ; CHECK-LABEL: name: carry-multiuse129    ; CHECK: liveins: $vgpr0, $vgpr1130    ; CHECK-NEXT: {{  $}}131    ; CHECK-NEXT: [[DEF:%[0-9]+]]:sreg_32_xm0_xexec = IMPLICIT_DEF132    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF133    ; CHECK-NEXT: [[V_PK_MAX_F16_:%[0-9]+]]:vgpr_32 = V_PK_MAX_F16 8, [[DEF1]], 8, [[DEF1]], 0, 0, 0, 0, 0, implicit $mode, implicit $exec134    ; CHECK-NEXT: [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, [[V_PK_MAX_F16_]], implicit $exec135    ; CHECK-NEXT: $vcc_lo = COPY undef [[DEF]]136    ; CHECK-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec137    ; CHECK-NEXT: [[V_CNDMASK_B32_sdwa:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_sdwa 0, [[V_MOV_B32_e32_]], 0, [[V_PK_MAX_F16_]], 0, 6, 0, 6, 5, implicit $vcc_lo, implicit $exec138    ; CHECK-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_sdwa]]139    ; CHECK-NEXT: $vgpr1 = COPY [[DEF]]140    ; CHECK-NEXT: SI_RETURN implicit $vgpr0141    %0:sreg_32_xm0_xexec = IMPLICIT_DEF142    %1:vgpr_32 = IMPLICIT_DEF143    %2:vgpr_32 = V_PK_MAX_F16 8, %1, 8, %1, 0, 0, 0, 0, 0, implicit $mode, implicit $exec144    %3:vgpr_32 = V_LSHRREV_B32_e64 16, %2, implicit $exec145    %4:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, %3, undef %0, implicit $exec146    $vgpr0 = COPY %4147    $vgpr1 = COPY %0148    SI_RETURN implicit $vgpr0149...150 151...152---153name: live-vcc # cannot convert because of live VCC154tracksRegLiveness: true155body:             |156  bb.0:157    liveins: $vgpr0158 159    ; CHECK-LABEL: name: live-vcc160    ; CHECK: liveins: $vgpr0161    ; CHECK-NEXT: {{  $}}162    ; CHECK-NEXT: [[DEF:%[0-9]+]]:sreg_32_xm0_xexec = IMPLICIT_DEF163    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF164    ; CHECK-NEXT: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_32_xm0_xexec = V_CMP_EQ_U32_e64 [[DEF]], 1, implicit $exec165    ; CHECK-NEXT: [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, [[DEF1]], implicit $exec166    ; CHECK-NEXT: V_CMP_EQ_U32_e32 1, undef [[DEF1]], implicit-def $vcc_lo, implicit $exec167    ; CHECK-NEXT: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, [[V_LSHRREV_B32_e64_]], [[V_CMP_EQ_U32_e64_]], implicit $exec168    ; CHECK-NEXT: [[V_CNDMASK_B32_e32_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e32 killed [[V_LSHRREV_B32_e64_]], killed [[V_LSHRREV_B32_e64_]], implicit $vcc_lo, implicit $exec169    ; CHECK-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_e64_]]170    ; CHECK-NEXT: SI_RETURN implicit $vgpr0171    %0:sreg_32_xm0_xexec = IMPLICIT_DEF172    %2:vgpr_32 = IMPLICIT_DEF173    %3:sreg_32_xm0_xexec = V_CMP_EQ_U32_e64 %0, 1, implicit $exec174    %5:vgpr_32 = V_LSHRREV_B32_e64 16, %2, implicit $exec175    V_CMP_EQ_U32_e32 1, undef %2, implicit-def $vcc, implicit $exec176    %6:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, %5, %3, implicit $exec177    %7:vgpr_32 = V_CNDMASK_B32_e32 killed %5, killed %5, implicit $vcc, implicit $exec178    $vgpr0 = COPY %6179    SI_RETURN implicit $vgpr0180...181 182...183---184name: cannot-shrink-with-source-mods185tracksRegLiveness: true186body:             |187  bb.0:188    liveins: $vgpr0189 190    ; CHECK-LABEL: name: cannot-shrink-with-source-mods191    ; CHECK: liveins: $vgpr0192    ; CHECK-NEXT: {{  $}}193    ; CHECK-NEXT: [[DEF:%[0-9]+]]:sreg_32_xm0_xexec = IMPLICIT_DEF194    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF195    ; CHECK-NEXT: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_32_xm0_xexec = V_CMP_EQ_U32_e64 [[DEF]], 0, implicit $exec196    ; CHECK-NEXT: [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, [[DEF1]], implicit $exec197    ; CHECK-NEXT: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 1, 0, 0, [[V_LSHRREV_B32_e64_]], killed [[V_CMP_EQ_U32_e64_]], implicit $exec198    ; CHECK-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_e64_]]199    ; CHECK-NEXT: SI_RETURN implicit $vgpr0200    %0:sreg_32_xm0_xexec = IMPLICIT_DEF201    %1:vgpr_32 = IMPLICIT_DEF202    %2:sreg_32_xm0_xexec = V_CMP_EQ_U32_e64 %0, 0, implicit $exec203    %3:vgpr_32 = V_LSHRREV_B32_e64 16, %1, implicit $exec204    %4:vgpr_32 = V_CNDMASK_B32_e64 1, 0, 0, %3, killed %2, implicit $exec205    $vgpr0 = COPY %4206    SI_RETURN implicit $vgpr0207...208 209...210---211name: missing-carry-def212tracksRegLiveness: true213registers:214  - { id: 0, class: sreg_32_xm0_xexec }215body:             |216  bb.0:217    liveins: $vgpr0218 219    ; CHECK-LABEL: name: missing-carry-def220    ; CHECK: liveins: $vgpr0221    ; CHECK-NEXT: {{  $}}222    ; CHECK-NEXT: [[DEF:%[0-9]+]]:sreg_32_xm0_xexec = IMPLICIT_DEF223    ; CHECK-NEXT: [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, [[DEF]], implicit $exec224    ; CHECK-NEXT: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, [[V_LSHRREV_B32_e64_]], undef %0:sreg_32_xm0_xexec, implicit $exec225    ; CHECK-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_e64_]]226    ; CHECK-NEXT: SI_RETURN implicit $vgpr0227    %1:sreg_32_xm0_xexec = IMPLICIT_DEF228    %2:vgpr_32 = V_LSHRREV_B32_e64 16, %1:sreg_32_xm0_xexec, implicit $exec229    %3:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, %2, undef %0:sreg_32_xm0_xexec, implicit $exec230    $vgpr0 = COPY %3231    SI_RETURN implicit $vgpr0232...233 234---235name: cndmask-not-converted236tracksRegLiveness: true237body: |238  ; CHECK-LABEL: name: cndmask-not-converted239  ; CHECK: bb.0:240  ; CHECK-NEXT:   successors: %bb.1(0x40000000), %bb.2(0x40000000)241  ; CHECK-NEXT:   liveins: $vgpr0, $sgpr8_sgpr9242  ; CHECK-NEXT: {{  $}}243  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:sgpr_64 = COPY $sgpr8_sgpr9244  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0245  ; CHECK-NEXT:   [[S_LOAD_DWORDX2_IMM:%[0-9]+]]:sreg_64_xexec = S_LOAD_DWORDX2_IMM [[COPY]], 0, 0246  ; CHECK-NEXT:   S_BITCMP1_B32 [[S_LOAD_DWORDX2_IMM]].sub1, 0, implicit-def $scc247  ; CHECK-NEXT:   [[S_CSELECT_B32_:%[0-9]+]]:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit $scc248  ; CHECK-NEXT:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec249  ; CHECK-NEXT:   [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 $exec_lo, [[S_CSELECT_B32_]], implicit-def dead $scc250  ; CHECK-NEXT:   $vcc_lo = COPY [[S_AND_B32_]]251  ; CHECK-NEXT:   S_CBRANCH_VCCNZ %bb.2, implicit $vcc_lo252  ; CHECK-NEXT:   S_BRANCH %bb.1253  ; CHECK-NEXT: {{  $}}254  ; CHECK-NEXT: bb.1:255  ; CHECK-NEXT:   successors: %bb.2(0x80000000)256  ; CHECK-NEXT: {{  $}}257  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:sreg_64 = COPY [[S_LOAD_DWORDX2_IMM]]258  ; CHECK-NEXT:   [[V_MUL_U32_U24_e64_:%[0-9]+]]:vgpr_32 = V_MUL_U32_U24_e64 [[COPY1]](s32), 5, 0, implicit $exec259  ; CHECK-NEXT:   [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec260  ; CHECK-NEXT:   [[REG_SEQUENCE:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[V_MUL_U32_U24_e64_]], %subreg.sub0, killed [[V_MOV_B32_e32_1]], %subreg.sub1261  ; CHECK-NEXT:   [[GLOBAL_LOAD_USHORT:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_USHORT [[REG_SEQUENCE]], 3, 0, implicit $exec262  ; CHECK-NEXT:   [[V_AND_B32_e64_:%[0-9]+]]:vgpr_32 = V_AND_B32_e64 [[GLOBAL_LOAD_USHORT]], 255, implicit $exec263  ; CHECK-NEXT:   [[V_MOV_B32_e32_2:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 65535, implicit $exec264  ; CHECK-NEXT:   [[V_AND_B32_sdwa:%[0-9]+]]:vgpr_32 = V_AND_B32_sdwa 0, [[V_MOV_B32_e32_2]], 0, [[GLOBAL_LOAD_USHORT]], 0, 6, 0, 6, 0, implicit $exec265  ; CHECK-NEXT:   S_CMP_EQ_U32 [[COPY2]].sub0, 0, implicit-def $scc266  ; CHECK-NEXT:   [[S_CSELECT_B32_1:%[0-9]+]]:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit $scc267  ; CHECK-NEXT:   $vcc_lo = COPY [[S_CSELECT_B32_1]]268  ; CHECK-NEXT:   [[V_CNDMASK_B32_e32_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e32 0, killed [[V_AND_B32_sdwa]], implicit $vcc_lo, implicit $exec269  ; CHECK-NEXT:   [[V_MOV_B32_e32_3:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 24, implicit $exec270  ; CHECK-NEXT:   [[V_LSHRREV_B32_sdwa:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_sdwa 0, [[V_MOV_B32_e32_3]], 0, [[V_CNDMASK_B32_e32_]], 0, 1, 0, 6, 6, implicit $exec271  ; CHECK-NEXT:   [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 16, [[V_CNDMASK_B32_e32_]], implicit $exec272  ; CHECK-NEXT:   [[V_MOV_B32_e32_4:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 255, implicit $exec273  ; CHECK-NEXT:   [[V_AND_B32_sdwa1:%[0-9]+]]:vgpr_32 = V_AND_B32_sdwa 0, [[V_CNDMASK_B32_e32_]], 0, [[V_MOV_B32_e32_4]], 0, 6, 0, 5, 6, implicit $exec274  ; CHECK-NEXT:   [[V_OR_B32_sdwa:%[0-9]+]]:vgpr_32 = V_OR_B32_sdwa 0, [[V_AND_B32_sdwa1]], 0, [[V_LSHRREV_B32_sdwa]], 0, 5, 0, 6, 6, implicit $exec275  ; CHECK-NEXT: {{  $}}276  ; CHECK-NEXT: bb.2:277  ; CHECK-NEXT:   [[PHI:%[0-9]+]]:vgpr_32 = PHI [[V_MOV_B32_e32_]], %bb.0, [[V_OR_B32_sdwa]], %bb.1278  ; CHECK-NEXT:   [[V_MOV_B:%[0-9]+]]:vreg_64 = V_MOV_B64_PSEUDO 0, implicit $exec279  ; CHECK-NEXT:   GLOBAL_STORE_BYTE killed [[V_MOV_B]], [[PHI]], 0, 0, implicit $exec280  ; CHECK-NEXT:   S_ENDPGM 0281  bb.0:282    successors: %bb.1(0x40000000), %bb.2(0x40000000)283    liveins: $vgpr0, $sgpr8_sgpr9284 285    %0:sgpr_64 = COPY $sgpr8_sgpr9286    %1:vgpr_32 = COPY $vgpr0287    %2:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 0, 0288    S_BITCMP1_B32 %2.sub1, 0, implicit-def $scc289    %3:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit $scc290    %4:vgpr_32 = V_MOV_B32_e32 0, implicit $exec291    %5:sreg_32 = S_AND_B32 $exec_lo, %3, implicit-def dead $scc292    $vcc_lo = COPY %5293    S_CBRANCH_VCCNZ %bb.2, implicit $vcc294    S_BRANCH %bb.1295 296  bb.1:297    successors: %bb.2(0x80000000)298 299    %6:sreg_64 = COPY %2300    %7:vgpr_32 = V_MUL_U32_U24_e64 %1(s32), 5, 0, implicit $exec301    %8:vgpr_32 = V_MOV_B32_e32 0, implicit $exec302    %9:vreg_64 = REG_SEQUENCE %7, %subreg.sub0, killed %8, %subreg.sub1303    %10:vgpr_32 = GLOBAL_LOAD_USHORT %9, 3, 0, implicit $exec304    %11:vgpr_32 = V_AND_B32_e64 %10, 255, implicit $exec305    %12:vgpr_32 = V_AND_B32_e64 65535, killed %11, implicit $exec306    S_CMP_EQ_U32 %6.sub0, 0, implicit-def $scc307    %13:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit $scc308    %14:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, killed %12, %13, implicit $exec309    %15:vgpr_32 = V_LSHRREV_B32_e64 24, %14, implicit $exec310    %16:vgpr_32 = V_LSHLREV_B16_e64 8, %15, implicit $exec311    %17:vgpr_32 = V_LSHRREV_B32_e64 16, %14, implicit $exec312    %18:vgpr_32 = V_AND_B32_e64 %17, 255, implicit $exec313    %19:vgpr_32 = V_OR_B32_e64 killed %18, killed %16, implicit $exec314    %20:vgpr_32 = V_LSHLREV_B32_e64 16, killed %19, implicit $exec315 316  bb.2:317    %21:vgpr_32 = PHI %4, %bb.0, %20, %bb.1318    %22:vreg_64 = V_MOV_B64_PSEUDO 0, implicit $exec319    GLOBAL_STORE_BYTE killed %22, %21, 0, 0, implicit $exec320    S_ENDPGM 0321...322