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1# This test used to crash MIRPrinter::convertStackObjects():2# MFI can contain some dead stack objects after PEI pass, but objects storage3# contains not dead objects only. So using objects IDs as offset in the storage4# caused out of bounds access.5 6# RUN: llc -mtriple=amdgcn -start-before=si-lower-sgpr-spills -stop-after=prologepilog -verify-machineinstrs -o - %s | FileCheck %s7 8# CHECK-LABEL: name:            foo9# CHECK: {{^}}fixedStack:      []10# CHECK: stack:           []11 12# CHECK-LABEL: name:            bar13# CHECK: fixedStack:      []14# CHECK-NEXT: {{^}}stack:15# CHECK-NEXT:  - { id:16 17 18---19name:            foo20body:             |21  bb.0:22    SI_RETURN23 24...25---26name:            bar27tracksRegLiveness: true28liveins:29  - { reg: '$vgpr0', virtual-reg: '' }30  - { reg: '$vgpr1', virtual-reg: '' }31  - { reg: '$vgpr2', virtual-reg: '' }32frameInfo:33  adjustsStack:    true34stack:35  - { id: 0, name: '', type: spill-slot, offset: 0, size: 8, alignment: 4,36      stack-id: sgpr-spill, callee-saved-register: '', callee-saved-restored: true,37      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }38machineFunctionInfo:39  scratchRSrcReg:  '$sgpr0_sgpr1_sgpr2_sgpr3'40  stackPtrOffsetReg: '$sgpr32'41body:             |42  bb.0:43    liveins: $vgpr0, $vgpr1, $vgpr244 45    renamable $vgpr41 = COPY $vgpr2, implicit $exec46    renamable $vgpr40 = COPY $vgpr1, implicit $exec47    renamable $vcc = V_CMP_NE_U32_e64 42, killed $vgpr0, implicit $exec48    $sgpr4_sgpr5 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec49    renamable $sgpr34_sgpr35 = S_XOR_B64 $exec, killed renamable $sgpr4_sgpr5, implicit-def dead $scc50 51    ADJCALLSTACKUP 0, 0, implicit-def dead $scc, implicit-def $sgpr32, implicit $sgpr3252    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 $scc53    renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 054    dead $sgpr30_sgpr31 = SI_CALL killed renamable $sgpr4_sgpr5, @foo, csr_amdgpu, implicit $sgpr0_sgpr1_sgpr2_sgpr355    ADJCALLSTACKDOWN 0, 0, implicit-def dead $scc, implicit-def $sgpr32, implicit $sgpr3256 57    SI_RETURN58 59...60 61