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64 lines
2.6 KiB
64 lines
2.6 KiB
# This test used to crash MIRPrinter::convertStackObjects():
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# MFI can contain some dead stack objects after PEI pass, but objects storage
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# contains not dead objects only. So using objects IDs as offset in the storage
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# caused out of bounds access.
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# RUN: llc -march=amdgcn -run-pass=si-lower-sgpr-spills,prologepilog -verify-machineinstrs -o - %s | FileCheck %s
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# CHECK-LABEL: name: foo
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# CHECK: {{^}}fixedStack: []
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# CHECK: stack: []
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# CHECK-LABEL: name: bar
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# CHECK: fixedStack: []
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# CHECK-NEXT: {{^}}stack:
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# CHECK-NEXT: - { id:
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---
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name: foo
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liveins:
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- { reg: '$sgpr30_sgpr31', virtual-reg: '' }
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body: |
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bb.0:
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S_SETPC_B64_return killed renamable $sgpr30_sgpr31
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...
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---
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name: bar
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tracksRegLiveness: true
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liveins:
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- { reg: '$vgpr0', virtual-reg: '' }
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- { reg: '$vgpr1', virtual-reg: '' }
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- { reg: '$vgpr2', virtual-reg: '' }
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- { reg: '$sgpr30_sgpr31', virtual-reg: '' }
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stack:
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- { id: 0, name: '', type: spill-slot, offset: 0, size: 8, alignment: 4,
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stack-id: sgpr-spill, callee-saved-register: '', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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machineFunctionInfo:
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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bb.0:
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liveins: $vgpr0, $vgpr1, $vgpr2, $sgpr30_sgpr31
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renamable $vgpr41 = COPY $vgpr2, implicit $exec
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renamable $vgpr40 = COPY $vgpr1, implicit $exec
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renamable $vcc = V_CMP_NE_U32_e64 42, killed $vgpr0, implicit $exec
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$sgpr4_sgpr5 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
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renamable $sgpr34_sgpr35 = S_XOR_B64 $exec, killed renamable $sgpr4_sgpr5, implicit-def dead $scc
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ADJCALLSTACKUP 0, 0, implicit-def dead $scc, implicit-def $sgpr32, implicit $sgpr32
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renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @foo + 4, target-flags(amdgpu-gotprel32-hi) @foo + 12, implicit-def dead $scc
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renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0, 0
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SI_SPILL_S64_SAVE killed renamable $sgpr30_sgpr31, %stack.0, implicit $exec, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr32
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dead $sgpr30_sgpr31 = SI_CALL killed renamable $sgpr4_sgpr5, @foo, csr_amdgpu_highregs, implicit $sgpr0_sgpr1_sgpr2_sgpr3
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renamable $sgpr30_sgpr31 = SI_SPILL_S64_RESTORE %stack.0, implicit $exec, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr32
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ADJCALLSTACKDOWN 0, 0, implicit-def dead $scc, implicit-def $sgpr32, implicit $sgpr32
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S_SETPC_B64_return killed renamable $sgpr30_sgpr31
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...
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