| # 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 |
| |
| ... |
| |