# RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \ # RUN: -disable-branch-fold -filetype=obj \ # RUN: | llvm-readobj --unwind - | FileCheck %s # Check that non-identical multiple epilgoues are correctly shared in .xdata. # CHECK: ExceptionData { # CHECK-NEXT: FunctionLength: 160 # CHECK-NEXT: Version: 0 # CHECK-NEXT: ExceptionData: No # CHECK-NEXT: EpiloguePacked: No # CHECK-NEXT: EpilogueScopes: 2 # CHECK-NEXT: ByteCodeLength: 44 # CHECK-NEXT: Prologue [ # CHECK-NEXT: 0xc80c ; stp x19, x20, [sp, #96] # CHECK-NEXT: 0xc88a ; stp x21, x22, [sp, #80] # CHECK-NEXT: 0xc908 ; stp x23, x24, [sp, #64] # CHECK-NEXT: 0xc986 ; stp x25, x26, [sp, #48] # CHECK-NEXT: 0xca04 ; stp x27, x28, [sp, #32] # CHECK-NEXT: 0xd802 ; stp d8, d9, [sp, #16] # CHECK-NEXT: 0xda8d ; stp d10, d11, [sp, #-112]! # CHECK-NEXT: 0xe4 ; end # CHECK-NEXT: ] # CHECK-NEXT: EpilogueScopes [ # CHECK-NEXT: EpilogueScope { # CHECK-NEXT: StartOffset: 16 # CHECK-NEXT: EpilogueStartIndex: 15 # CHECK-NEXT: Opcodes [ # CHECK-NEXT: 0xc80c ; ldp x19, x20, [sp, #96] # CHECK-NEXT: 0xc88a ; ldp x21, x22, [sp, #80] # CHECK-NEXT: 0xc908 ; ldp x23, x24, [sp, #64] # CHECK-NEXT: 0xc986 ; ldp x25, x26, [sp, #48] # CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16] # CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #112 # CHECK-NEXT: 0xe4 ; end # CHECK-NEXT: ] # CHECK-NEXT: } # CHECK-NEXT: EpilogueScope { # CHECK-NEXT: StartOffset: 32 # CHECK-NEXT: EpilogueStartIndex: 28 # CHECK-NEXT: Opcodes [ # CHECK-NEXT: 0xc80c ; ldp x19, x20, [sp, #96] # CHECK-NEXT: 0xc88a ; ldp x21, x22, [sp, #80] # CHECK-NEXT: 0xc908 ; ldp x23, x24, [sp, #64] # CHECK-NEXT: 0xc986 ; ldp x25, x26, [sp, #48] # CHECK-NEXT: 0xca04 ; ldp x27, x28, [sp, #32] # CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16] # CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #112 # CHECK-NEXT: 0xe4 ; end # CHECK-NEXT: ] # CHECK-NEXT: } # CHECK-NEXT: ] # CHECK-NEXT: } ... --- name: test alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: true registers: liveins: - { reg: '$w0', virtual-reg: '' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 112 offsetAdjustment: 0 maxAlignment: 8 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 0 hasOpaqueSPAdjustment: true hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: stack: - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x24', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 6, name: '', type: spill-slot, offset: -56, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x25', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 7, name: '', type: spill-slot, offset: -64, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x26', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 8, name: '', type: spill-slot, offset: -72, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 9, name: '', type: spill-slot, offset: -80, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 10, name: '', type: spill-slot, offset: -88, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$d8', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 11, name: '', type: spill-slot, offset: -96, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$d9', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 12, name: '', type: spill-slot, offset: -104, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$d10', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 13, name: '', type: spill-slot, offset: -112, size: 8, alignment: 8, stack-id: default, callee-saved-register: '$d11', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } constants: body: | bb.0.entry: successors: %bb.2(0x40000000), %bb.1(0x40000000) liveins: $x0, $x1, $d0, $d1, $d10, $d11, $d8, $d9, $x27, $x28, $x25, $x26, $x23, $x24, $x21, $x22, $x19, $x20 early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store (s64) into %stack.12), (store (s64) into %stack.13) frame-setup SEH_SaveFRegP_X 10, 11, -112 frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store (s64) into %stack.10), (store (s64) into %stack.11) frame-setup SEH_SaveFRegP 8, 9, 16 frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store (s64) into %stack.8), (store (s64) into %stack.9) frame-setup SEH_SaveRegP 27, 28, 32 frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store (s64) into %stack.6), (store (s64) into %stack.7) frame-setup SEH_SaveRegP 25, 26, 48 frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store (s64) into %stack.4), (store (s64) into %stack.5) frame-setup SEH_SaveRegP 23, 24, 64 frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store (s64) into %stack.2), (store (s64) into %stack.3) frame-setup SEH_SaveRegP 21, 22, 80 frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store (s64) into %stack.0), (store (s64) into %stack.1) frame-setup SEH_SaveRegP 19, 20, 96 frame-setup SEH_PrologEnd frame-setup CFI_INSTRUCTION def_cfa_offset 112 frame-setup CFI_INSTRUCTION offset $w19, -8 frame-setup CFI_INSTRUCTION offset $w20, -16 frame-setup CFI_INSTRUCTION offset $w21, -24 frame-setup CFI_INSTRUCTION offset $w22, -32 frame-setup CFI_INSTRUCTION offset $w23, -40 frame-setup CFI_INSTRUCTION offset $w24, -48 frame-setup CFI_INSTRUCTION offset $w25, -56 frame-setup CFI_INSTRUCTION offset $w26, -64 frame-setup CFI_INSTRUCTION offset $w27, -72 frame-setup CFI_INSTRUCTION offset $w28, -80 frame-setup CFI_INSTRUCTION offset $b8, -88 frame-setup CFI_INSTRUCTION offset $b9, -96 frame-setup CFI_INSTRUCTION offset $b10, -104 frame-setup CFI_INSTRUCTION offset $b11, -112 $x19 = ADDXrr $x0, killed $x1 $d8 = FADDDrr killed $d0, $d1 $d9 = FADDDrr $d8, $d1 $d10 = FADDDrr $d9, $d8 $d11 = FADDDrr killed $d9, $d10 $x20 = SUBSXrr $x19, killed $x0, implicit-def $nzcv Bcc 1, %bb.2, implicit killed $nzcv B %bb.1 bb.1: liveins: $x19, $x20 $x21 = ADDXrr $x20, killed $x19 $x22 = ADDXrr $x21, killed $x20 $x23 = ADDXrr $x22, killed $x21 $x24 = ADDXrr $x23, killed $x22 $x25 = ADDXrr $x24, killed $x23 $x26 = ADDXrr $x25, killed $x24 $x27 = ADDXrr $x26, killed $x25 $x28 = ADDXrr $x27, killed $x26 $x0 = COPY $x28 frame-destroy SEH_EpilogStart $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load (s64) from %stack.0), (load (s64) from %stack.1) frame-destroy SEH_SaveRegP 19, 20, 96 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3) frame-destroy SEH_SaveRegP 21, 22, 80 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5) frame-destroy SEH_SaveRegP 23, 24, 64 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7) frame-destroy SEH_SaveRegP 25, 26, 48 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load (s64) from %stack.8), (load (s64) from %stack.9) frame-destroy SEH_SaveRegP 27, 28, 32 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11) frame-destroy SEH_SaveFRegP 8, 9, 16 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13) frame-destroy SEH_SaveFRegP_X 10, 11, -112 frame-destroy SEH_EpilogEnd RET_ReallyLR implicit $x0 bb.2: liveins: $d11 $x0 = COPY $d11 $x0 = ADDXrr $x0, $x0 frame-destroy SEH_EpilogStart $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load (s64) from %stack.0), (load (s64) from %stack.1) frame-destroy SEH_SaveRegP 19, 20, 96 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3) frame-destroy SEH_SaveRegP 21, 22, 80 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5) frame-destroy SEH_SaveRegP 23, 24, 64 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7) frame-destroy SEH_SaveRegP 25, 26, 48 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11) frame-destroy SEH_SaveFRegP 8, 9, 16 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13) frame-destroy SEH_SaveFRegP_X 10, 11, -112 frame-destroy SEH_EpilogEnd RET_ReallyLR implicit $x0 ...