derek.holloway
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96 lines
5.6 KiB
YAML
96 lines
5.6 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -run-pass=prologepilog -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s
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# There are free scratch SGPRs available and hence use the smallest available pair for exec copy
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# instead of the pair in the CSR range already given.
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---
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name: shift_back_exec_copy_reserved_reg
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tracksRegLiveness: true
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frameInfo:
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maxAlignment: 4
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machineFunctionInfo:
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isEntryFunction: false
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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stackPtrOffsetReg: '$sgpr32'
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frameOffsetReg: '$sgpr33'
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sgprForEXECCopy: '$sgpr34_sgpr35'
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body: |
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bb.0:
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liveins: $sgpr30_sgpr31, $vgpr0
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; GCN-LABEL: name: shift_back_exec_copy_reserved_reg
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; GCN: liveins: $sgpr30_sgpr31, $vgpr0
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_def_aspace_cfa $sgpr32, 0, 6
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_register_pair $pc_reg, $sgpr30, 32, $sgpr31, 32
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $vgpr0
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $vgpr1
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $sgpr4
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $sgpr5
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; GCN-NEXT: $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr30, 0, killed $vgpr0
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; GCN-NEXT: $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr31, 1, killed $vgpr0
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; GCN-NEXT: $sgpr4_sgpr5 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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; GCN-NEXT: $vgpr1 = COPY $vgpr0
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; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5
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; GCN-NEXT: $sgpr30 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 0
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; GCN-NEXT: $sgpr31 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 1
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; GCN-NEXT: S_SETPC_B64 $sgpr30_sgpr31
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$vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr30, 0, killed $vgpr0
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$vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr31, 1, killed $vgpr0
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$sgpr34_sgpr35 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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$vgpr1 = COPY $vgpr0
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$exec = S_MOV_B64 killed $sgpr34_sgpr35
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$sgpr30 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 0
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$sgpr31 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 1
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S_SETPC_B64 $sgpr30_sgpr31
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...
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# All scratch registers are made unavailable so that the CSR SGPR pair used for EXEC copy needed spills at prolog and epilog.
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---
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name: spill_exec_copy_reserved_reg
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tracksRegLiveness: true
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frameInfo:
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maxAlignment: 4
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machineFunctionInfo:
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isEntryFunction: false
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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stackPtrOffsetReg: '$sgpr32'
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frameOffsetReg: '$sgpr33'
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sgprForEXECCopy: '$sgpr34_sgpr35'
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body: |
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bb.0:
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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, $vgpr0
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; GCN-LABEL: name: spill_exec_copy_reserved_reg
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; 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, $vgpr0
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_def_aspace_cfa $sgpr32, 0, 6
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_register_pair $pc_reg, $sgpr30, 32, $sgpr31, 32
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $vgpr0
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $vgpr1
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $sgpr28
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $sgpr29
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $sgpr40
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $sgpr41
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; GCN-NEXT: $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr30, 0, killed $vgpr0
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; GCN-NEXT: $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr31, 1, killed $vgpr0
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; GCN-NEXT: $sgpr40_sgpr41 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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; GCN-NEXT: $sgpr28_sgpr29 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr1 = COPY $vgpr0
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; GCN-NEXT: S_NOP 0, implicit $sgpr28_sgpr29
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; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr40_sgpr41
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; GCN-NEXT: $sgpr30 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 0
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; GCN-NEXT: $sgpr31 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 1
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; 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 $vcc
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$vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr30, 0, killed $vgpr0
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$vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr31, 1, killed $vgpr0
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$sgpr34_sgpr35 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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$sgpr28_sgpr29 = IMPLICIT_DEF
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$vgpr1 = COPY $vgpr0
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S_NOP 0, implicit $sgpr28_sgpr29
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$exec = S_MOV_B64 killed $sgpr34_sgpr35
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$sgpr30 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 0
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$sgpr31 = SI_RESTORE_S32_FROM_VGPR $vgpr1, 1
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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 $vcc
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...
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