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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 42# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -run-pass=prologepilog -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s3 4# There are free scratch SGPRs available and hence use the smallest available pair for exec copy5# instead of the pair in the CSR range already given.6 7---8name: shift_back_exec_copy_reserved_reg9tracksRegLiveness: true10frameInfo:11 maxAlignment: 412machineFunctionInfo:13 isEntryFunction: false14 scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'15 stackPtrOffsetReg: '$sgpr32'16 frameOffsetReg: '$sgpr33'17 sgprForEXECCopy: '$sgpr34_sgpr35'18body: |19 bb.0:20 liveins: $sgpr30_sgpr31, $vgpr021 ; GCN-LABEL: name: shift_back_exec_copy_reserved_reg22 ; GCN: liveins: $sgpr30_sgpr31, $vgpr023 ; GCN-NEXT: {{ $}}24 ; GCN-NEXT: $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr30, 0, killed $vgpr025 ; GCN-NEXT: $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr31, 1, killed $vgpr026 ; GCN-NEXT: $sgpr4_sgpr5 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec27 ; GCN-NEXT: $vgpr1 = COPY $vgpr028 ; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr529 ; GCN-NEXT: $sgpr30 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 030 ; GCN-NEXT: $sgpr31 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 131 ; GCN-NEXT: S_SETPC_B64 $sgpr30_sgpr3132 $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr30, 0, killed $vgpr033 $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr31, 1, killed $vgpr034 $sgpr34_sgpr35 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec35 $vgpr1 = COPY $vgpr036 $exec = S_MOV_B64 killed $sgpr34_sgpr3537 $sgpr30 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 038 $sgpr31 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 139 S_SETPC_B64 $sgpr30_sgpr3140...41 42# All scratch registers are made unavailable so that the CSR SGPR pair used for EXEC copy needed spills at prolog and epilog.43 44---45name: spill_exec_copy_reserved_reg46tracksRegLiveness: true47frameInfo:48 maxAlignment: 449machineFunctionInfo:50 isEntryFunction: false51 scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'52 stackPtrOffsetReg: '$sgpr32'53 frameOffsetReg: '$sgpr33'54 sgprForEXECCopy: '$sgpr34_sgpr35'55body: |56 bb.0:57 liveins: $sgpr4, $sgpr5, $sgpr6, $sgpr7, $sgpr8, $sgpr9, $sgpr10, $sgpr11, $sgpr12, $sgpr13, $sgpr14, $sgpr15, $sgpr16, $sgpr17, $sgpr18, $sgpr19, $sgpr20, $sgpr21, $sgpr22, $sgpr23, $sgpr24, $sgpr25, $sgpr26, $sgpr27, $sgpr30_sgpr31, $vcc, $vgpr058 ; GCN-LABEL: name: spill_exec_copy_reserved_reg59 ; GCN: liveins: $sgpr4, $sgpr5, $sgpr6, $sgpr7, $sgpr8, $sgpr9, $sgpr10, $sgpr11, $sgpr12, $sgpr13, $sgpr14, $sgpr15, $sgpr16, $sgpr17, $sgpr18, $sgpr19, $sgpr20, $sgpr21, $sgpr22, $sgpr23, $sgpr24, $sgpr25, $sgpr26, $sgpr27, $sgpr30_sgpr31, $vcc, $vgpr060 ; GCN-NEXT: {{ $}}61 ; GCN-NEXT: $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr30, 0, killed $vgpr062 ; GCN-NEXT: $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr31, 1, killed $vgpr063 ; GCN-NEXT: $sgpr40_sgpr41 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec64 ; GCN-NEXT: $sgpr28_sgpr29 = IMPLICIT_DEF65 ; GCN-NEXT: $vgpr1 = COPY $vgpr066 ; GCN-NEXT: S_NOP 0, implicit $sgpr28_sgpr2967 ; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr40_sgpr4168 ; GCN-NEXT: $sgpr30 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 069 ; GCN-NEXT: $sgpr31 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 170 ; GCN-NEXT: S_SETPC_B64 $sgpr30_sgpr31, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8_sgpr9_sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr15, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr27, implicit $vcc71 $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr30, 0, killed $vgpr072 $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr31, 1, killed $vgpr073 $sgpr34_sgpr35 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec74 $sgpr28_sgpr29 = IMPLICIT_DEF75 $vgpr1 = COPY $vgpr076 S_NOP 0, implicit $sgpr28_sgpr2977 $exec = S_MOV_B64 killed $sgpr34_sgpr3578 $sgpr30 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 079 $sgpr31 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 180 S_SETPC_B64 $sgpr30_sgpr31, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8_sgpr9_sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr15, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr27, implicit $vcc81...82