1# This test used to crash MIRPrinter::convertStackObjects(): 2# MFI can contain some dead stack objects after PEI pass, but objects storage 3# contains not dead objects only. So using objects IDs as offset in the storage 4# 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 %s 7 8# CHECK-LABEL: name: foo 9# CHECK: {{^}}fixedStack: [] 10# CHECK: stack: [] 11 12# CHECK-LABEL: name: bar 13# CHECK: fixedStack: [] 14# CHECK-NEXT: {{^}}stack: 15# CHECK-NEXT: - { id: 16 17 18--- 19name: foo 20body: | 21 bb.0: 22 SI_RETURN 23 24... 25--- 26name: bar 27tracksRegLiveness: true 28liveins: 29 - { reg: '$vgpr0', virtual-reg: '' } 30 - { reg: '$vgpr1', virtual-reg: '' } 31 - { reg: '$vgpr2', virtual-reg: '' } 32frameInfo: 33 adjustsStack: true 34stack: 35 - { id: 0, name: '', type: spill-slot, offset: 0, size: 8, alignment: 4, 36 stack-id: sgpr-spill, callee-saved-register: '', callee-saved-restored: true, 37 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 38machineFunctionInfo: 39 scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' 40 stackPtrOffsetReg: '$sgpr32' 41body: | 42 bb.0: 43 liveins: $vgpr0, $vgpr1, $vgpr2 44 45 renamable $vgpr41 = COPY $vgpr2, implicit $exec 46 renamable $vgpr40 = COPY $vgpr1, implicit $exec 47 renamable $vcc = V_CMP_NE_U32_e64 42, killed $vgpr0, implicit $exec 48 $sgpr4_sgpr5 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec 49 renamable $sgpr34_sgpr35 = S_XOR_B64 $exec, killed renamable $sgpr4_sgpr5, implicit-def dead $scc 50 51 ADJCALLSTACKUP 0, 0, implicit-def dead $scc, implicit-def $sgpr32, implicit $sgpr32 52 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 53 renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 54 dead $sgpr30_sgpr31 = SI_CALL killed renamable $sgpr4_sgpr5, @foo, csr_amdgpu, implicit $sgpr0_sgpr1_sgpr2_sgpr3 55 ADJCALLSTACKDOWN 0, 0, implicit-def dead $scc, implicit-def $sgpr32, implicit $sgpr32 56 57 SI_RETURN 58 59... 60 61