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113 lines
5.9 KiB
YAML
113 lines
5.9 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-after=phi-node-elimination -stop-before=greedy -o - %s | FileCheck -check-prefix=GFX9 %s
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# 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.
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---
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name: index_vgpr_waterfall_loop
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tracksRegLiveness: true
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liveins:
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- { reg: '$vgpr0', virtual-reg: '%0' }
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- { reg: '$vgpr1', virtual-reg: '%1' }
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- { reg: '$vgpr2', virtual-reg: '%2' }
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- { reg: '$vgpr3', virtual-reg: '%3' }
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- { reg: '$vgpr4', virtual-reg: '%4' }
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- { reg: '$vgpr5', virtual-reg: '%5' }
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- { reg: '$vgpr6', virtual-reg: '%6' }
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- { reg: '$vgpr7', virtual-reg: '%7' }
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- { reg: '$vgpr8', virtual-reg: '%8' }
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- { reg: '$vgpr9', virtual-reg: '%9' }
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- { reg: '$vgpr10', virtual-reg: '%10' }
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- { reg: '$vgpr11', virtual-reg: '%11' }
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- { reg: '$vgpr12', virtual-reg: '%12' }
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- { reg: '$vgpr13', virtual-reg: '%13' }
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- { reg: '$vgpr14', virtual-reg: '%14' }
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- { reg: '$vgpr15', virtual-reg: '%15' }
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- { reg: '$vgpr16', virtual-reg: '%16' }
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- { reg: '$sgpr30_sgpr31', virtual-reg: '%17' }
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body: |
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; GFX9-LABEL: name: index_vgpr_waterfall_loop
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; GFX9: bb.0:
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; GFX9: successors: %bb.1(0x80000000)
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; GFX9: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7, $vgpr8, $vgpr9, $vgpr10, $vgpr11, $vgpr12, $vgpr13, $vgpr14, $vgpr15, $vgpr16, $sgpr30_sgpr31
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; GFX9: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr30_sgpr31
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; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr16
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; GFX9: undef %18.sub15:vreg_512 = COPY $vgpr15
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; GFX9: %18.sub14:vreg_512 = COPY $vgpr14
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; GFX9: %18.sub13:vreg_512 = COPY $vgpr13
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; GFX9: %18.sub12:vreg_512 = COPY $vgpr12
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; GFX9: %18.sub11:vreg_512 = COPY $vgpr11
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; GFX9: %18.sub10:vreg_512 = COPY $vgpr10
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; GFX9: %18.sub9:vreg_512 = COPY $vgpr9
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; GFX9: %18.sub8:vreg_512 = COPY $vgpr8
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; GFX9: %18.sub7:vreg_512 = COPY $vgpr7
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; GFX9: %18.sub6:vreg_512 = COPY $vgpr6
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; GFX9: %18.sub5:vreg_512 = COPY $vgpr5
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; GFX9: %18.sub4:vreg_512 = COPY $vgpr4
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; GFX9: %18.sub3:vreg_512 = COPY $vgpr3
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; GFX9: %18.sub2:vreg_512 = COPY $vgpr2
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; GFX9: %18.sub1:vreg_512 = COPY $vgpr1
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; GFX9: %18.sub0:vreg_512 = COPY $vgpr0
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; GFX9: [[V_AND_B32_e32_:%[0-9]+]]:vgpr_32 = V_AND_B32_e32 15, [[COPY1]], implicit $exec
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; GFX9: [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec
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; GFX9: bb.1:
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; GFX9: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; GFX9: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[V_AND_B32_e32_]], implicit $exec
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; GFX9: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_]], [[V_AND_B32_e32_]], implicit $exec
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; GFX9: [[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 $exec
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; GFX9: S_SET_GPR_IDX_ON [[V_READFIRSTLANE_B32_]], 1, implicit-def $m0, implicit-def $mode, implicit undef $m0, implicit $mode
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; GFX9: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 undef %18.sub0, implicit $exec, implicit %18, implicit $m0
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; GFX9: S_SET_GPR_IDX_OFF implicit-def $mode, implicit $mode
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; GFX9: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def dead $scc
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; GFX9: S_CBRANCH_EXECNZ %bb.1, implicit $exec
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; GFX9: bb.2:
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; GFX9: $exec = S_MOV_B64 [[S_MOV_B64_]]
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; GFX9: $sgpr30_sgpr31 = COPY [[COPY]]
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; GFX9: $vgpr0 = COPY [[V_MOV_B32_e32_]]
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; GFX9: S_SETPC_B64_return $sgpr30_sgpr31, implicit $vgpr0, implicit undef $vgpr1, implicit undef $vgpr2, implicit undef $vgpr3
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bb.0:
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successors: %bb.1
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liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7, $vgpr8, $vgpr9, $vgpr10, $vgpr11, $vgpr12, $vgpr13, $vgpr14, $vgpr15, $vgpr16, $sgpr30_sgpr31
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%17:sreg_64 = COPY killed $sgpr30_sgpr31
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%16:vgpr_32 = COPY killed $vgpr16
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%15:vgpr_32 = COPY killed $vgpr15
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%14:vgpr_32 = COPY killed $vgpr14
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%13:vgpr_32 = COPY killed $vgpr13
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%12:vgpr_32 = COPY killed $vgpr12
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%11:vgpr_32 = COPY killed $vgpr11
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%10:vgpr_32 = COPY killed $vgpr10
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%9:vgpr_32 = COPY killed $vgpr9
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%8:vgpr_32 = COPY killed $vgpr8
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%7:vgpr_32 = COPY killed $vgpr7
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%6:vgpr_32 = COPY killed $vgpr6
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%5:vgpr_32 = COPY killed $vgpr5
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%4:vgpr_32 = COPY killed $vgpr4
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%3:vgpr_32 = COPY killed $vgpr3
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%2:vgpr_32 = COPY killed $vgpr2
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%1:vgpr_32 = COPY killed $vgpr1
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%0:vgpr_32 = COPY killed $vgpr0
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%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.sub15
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%19:vgpr_32 = V_AND_B32_e32 15, killed %16, implicit $exec
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%20:sreg_64_xexec = S_MOV_B64 $exec
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bb.1:
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successors: %bb.1, %bb.2
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%21:sgpr_32 = V_READFIRSTLANE_B32 %19, implicit $exec
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%22:sreg_64 = V_CMP_EQ_U32_e64 %21, %19, implicit $exec
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%23:sreg_64 = S_AND_SAVEEXEC_B64 killed %22, implicit-def $exec, implicit-def dead $scc, implicit $exec
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S_SET_GPR_IDX_ON killed %21, 1, implicit-def $m0, implicit-def $mode, implicit undef $m0, implicit $mode
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%24:vgpr_32 = V_MOV_B32_e32 undef %18.sub0, implicit $exec, implicit %18, implicit $m0
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S_SET_GPR_IDX_OFF implicit-def $mode, implicit $mode
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$exec = S_XOR_B64_term $exec, killed %23, implicit-def dead $scc
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S_CBRANCH_EXECNZ %bb.1, implicit $exec
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bb.2:
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$exec = S_MOV_B64 killed %20
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$sgpr30_sgpr31 = COPY killed %17
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$vgpr0 = COPY killed %24
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S_SETPC_B64_return killed $sgpr30_sgpr31, implicit killed $vgpr0, implicit undef $vgpr1, implicit undef $vgpr2, implicit undef $vgpr3
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...
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