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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-after=phi-node-elimination -stop-before=greedy -o - %s | FileCheck -check-prefix=GFX9 %s3# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-after=phi-node-elimination -stop-before=greedy -early-live-intervals -o - %s | FileCheck -check-prefix=GFX9 %s4 5# Make sure that the V_MOV_B32 isn't rematerialized out of the loop. This was also breaking RenameIndependentSubregisters which missed the use of all subregisters.6 7---8name: index_vgpr_waterfall_loop9tracksRegLiveness: true10liveins:11 - { reg: '$vgpr0', virtual-reg: '%0' }12 - { reg: '$vgpr1', virtual-reg: '%1' }13 - { reg: '$vgpr2', virtual-reg: '%2' }14 - { reg: '$vgpr3', virtual-reg: '%3' }15 - { reg: '$vgpr4', virtual-reg: '%4' }16 - { reg: '$vgpr5', virtual-reg: '%5' }17 - { reg: '$vgpr6', virtual-reg: '%6' }18 - { reg: '$vgpr7', virtual-reg: '%7' }19 - { reg: '$vgpr8', virtual-reg: '%8' }20 - { reg: '$vgpr9', virtual-reg: '%9' }21 - { reg: '$vgpr10', virtual-reg: '%10' }22 - { reg: '$vgpr11', virtual-reg: '%11' }23 - { reg: '$vgpr12', virtual-reg: '%12' }24 - { reg: '$vgpr13', virtual-reg: '%13' }25 - { reg: '$vgpr14', virtual-reg: '%14' }26 - { reg: '$vgpr15', virtual-reg: '%15' }27 - { reg: '$vgpr16', virtual-reg: '%16' }28 - { reg: '$sgpr30_sgpr31', virtual-reg: '%17' }29body: |30 ; GFX9-LABEL: name: index_vgpr_waterfall_loop31 ; GFX9: bb.0:32 ; GFX9-NEXT: successors: %bb.1(0x80000000)33 ; GFX9-NEXT: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7, $vgpr8, $vgpr9, $vgpr10, $vgpr11, $vgpr12, $vgpr13, $vgpr14, $vgpr15, $vgpr16, $sgpr30_sgpr3134 ; GFX9-NEXT: {{ $}}35 ; GFX9-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr30_sgpr3136 ; GFX9-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1637 ; GFX9-NEXT: undef [[COPY2:%[0-9]+]].sub15:vreg_512 = COPY $vgpr1538 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub14:vreg_512 = COPY $vgpr1439 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub13:vreg_512 = COPY $vgpr1340 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub12:vreg_512 = COPY $vgpr1241 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub11:vreg_512 = COPY $vgpr1142 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub10:vreg_512 = COPY $vgpr1043 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub9:vreg_512 = COPY $vgpr944 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub8:vreg_512 = COPY $vgpr845 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub7:vreg_512 = COPY $vgpr746 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub6:vreg_512 = COPY $vgpr647 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub5:vreg_512 = COPY $vgpr548 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub4:vreg_512 = COPY $vgpr449 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub3:vreg_512 = COPY $vgpr350 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub2:vreg_512 = COPY $vgpr251 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub1:vreg_512 = COPY $vgpr152 ; GFX9-NEXT: [[COPY2:%[0-9]+]].sub0:vreg_512 = COPY $vgpr053 ; GFX9-NEXT: [[V_AND_B32_e32_:%[0-9]+]]:vgpr_32 = V_AND_B32_e32 15, [[COPY1]], implicit $exec54 ; GFX9-NEXT: [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec55 ; GFX9-NEXT: {{ $}}56 ; GFX9-NEXT: bb.1:57 ; GFX9-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)58 ; GFX9-NEXT: {{ $}}59 ; GFX9-NEXT: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[V_AND_B32_e32_]], implicit $exec60 ; GFX9-NEXT: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_]], [[V_AND_B32_e32_]], implicit $exec61 ; GFX9-NEXT: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 [[V_CMP_EQ_U32_e64_]], implicit-def $exec, implicit-def dead $scc, implicit $exec62 ; GFX9-NEXT: S_SET_GPR_IDX_ON [[V_READFIRSTLANE_B32_]], 1, implicit-def $m0, implicit-def $mode, implicit undef $m0, implicit $mode63 ; GFX9-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 undef [[COPY2]].sub0, implicit $exec, implicit [[COPY2]], implicit $m064 ; GFX9-NEXT: S_SET_GPR_IDX_OFF implicit-def $mode, implicit $mode65 ; GFX9-NEXT: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def dead $scc66 ; GFX9-NEXT: S_CBRANCH_EXECNZ %bb.1, implicit $exec67 ; GFX9-NEXT: {{ $}}68 ; GFX9-NEXT: bb.2:69 ; GFX9-NEXT: $exec = S_MOV_B64 [[S_MOV_B64_]]70 ; GFX9-NEXT: $sgpr30_sgpr31 = COPY [[COPY]]71 ; GFX9-NEXT: $vgpr0 = COPY [[V_MOV_B32_e32_]]72 ; GFX9-NEXT: S_SETPC_B64_return $sgpr30_sgpr31, implicit $vgpr0, implicit undef $vgpr1, implicit undef $vgpr2, implicit undef $vgpr373 bb.0:74 successors: %bb.175 liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7, $vgpr8, $vgpr9, $vgpr10, $vgpr11, $vgpr12, $vgpr13, $vgpr14, $vgpr15, $vgpr16, $sgpr30_sgpr3176 77 %17:sreg_64 = COPY killed $sgpr30_sgpr3178 %16:vgpr_32 = COPY killed $vgpr1679 %15:vgpr_32 = COPY killed $vgpr1580 %14:vgpr_32 = COPY killed $vgpr1481 %13:vgpr_32 = COPY killed $vgpr1382 %12:vgpr_32 = COPY killed $vgpr1283 %11:vgpr_32 = COPY killed $vgpr1184 %10:vgpr_32 = COPY killed $vgpr1085 %9:vgpr_32 = COPY killed $vgpr986 %8:vgpr_32 = COPY killed $vgpr887 %7:vgpr_32 = COPY killed $vgpr788 %6:vgpr_32 = COPY killed $vgpr689 %5:vgpr_32 = COPY killed $vgpr590 %4:vgpr_32 = COPY killed $vgpr491 %3:vgpr_32 = COPY killed $vgpr392 %2:vgpr_32 = COPY killed $vgpr293 %1:vgpr_32 = COPY killed $vgpr194 %0:vgpr_32 = COPY killed $vgpr095 %18:vreg_512 = REG_SEQUENCE killed %0, %subreg.sub0, killed %1, %subreg.sub1, killed %2, %subreg.sub2, killed %3, %subreg.sub3, killed %4, %subreg.sub4, killed %5, %subreg.sub5, killed %6, %subreg.sub6, killed %7, %subreg.sub7, killed %8, %subreg.sub8, killed %9, %subreg.sub9, killed %10, %subreg.sub10, killed %11, %subreg.sub11, killed %12, %subreg.sub12, killed %13, %subreg.sub13, killed %14, %subreg.sub14, killed %15, %subreg.sub1596 %19:vgpr_32 = V_AND_B32_e32 15, killed %16, implicit $exec97 %20:sreg_64_xexec = S_MOV_B64 $exec98 99 bb.1:100 successors: %bb.1, %bb.2101 102 %21:sreg_32_xm0 = V_READFIRSTLANE_B32 %19, implicit $exec103 %22:sreg_64 = V_CMP_EQ_U32_e64 %21, %19, implicit $exec104 %23:sreg_64 = S_AND_SAVEEXEC_B64 killed %22, implicit-def $exec, implicit-def dead $scc, implicit $exec105 S_SET_GPR_IDX_ON killed %21, 1, implicit-def $m0, implicit-def $mode, implicit undef $m0, implicit $mode106 %24:vgpr_32 = V_MOV_B32_e32 undef %18.sub0, implicit $exec, implicit %18, implicit $m0107 S_SET_GPR_IDX_OFF implicit-def $mode, implicit $mode108 $exec = S_XOR_B64_term $exec, killed %23, implicit-def dead $scc109 S_CBRANCH_EXECNZ %bb.1, implicit $exec110 111 bb.2:112 $exec = S_MOV_B64 killed %20113 $sgpr30_sgpr31 = COPY killed %17114 $vgpr0 = COPY killed %24115 S_SETPC_B64_return killed $sgpr30_sgpr31, implicit killed $vgpr0, implicit undef $vgpr1, implicit undef $vgpr2, implicit undef $vgpr3116 117...118