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