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1# RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \2# RUN: -disable-branch-fold -filetype=obj \3# RUN: | llvm-readobj --unwind - | FileCheck %s4# Check that identical multiple epilgoues are correctly shared in .xdata.5 6# CHECK: ExceptionData {7# CHECK-NEXT: FunctionLength: 1648# CHECK-NEXT: Version: 09# CHECK-NEXT: ExceptionData: No10# CHECK-NEXT: EpiloguePacked: No11# CHECK-NEXT: EpilogueScopes: 212# CHECK-NEXT: ByteCodeLength: 1613# CHECK-NEXT: Prologue [14# CHECK-NEXT: 0xc80c ; stp x19, x20, [sp, #96]15# CHECK-NEXT: 0xc88a ; stp x21, x22, [sp, #80]16# CHECK-NEXT: 0xc908 ; stp x23, x24, [sp, #64]17# CHECK-NEXT: 0xc986 ; stp x25, x26, [sp, #48]18# CHECK-NEXT: 0xca04 ; stp x27, x28, [sp, #32]19# CHECK-NEXT: 0xd802 ; stp d8, d9, [sp, #16]20# CHECK-NEXT: 0xda8d ; stp d10, d11, [sp, #-112]!21# CHECK-NEXT: 0xe4 ; end22# CHECK-NEXT: ]23# CHECK-NEXT: EpilogueScopes [24# CHECK-NEXT: EpilogueScope {25# CHECK-NEXT: StartOffset: 1626# CHECK-NEXT: EpilogueStartIndex: 027# CHECK-NEXT: Opcodes [28# CHECK-NEXT: 0xc80c ; ldp x19, x20, [sp, #96]29# CHECK-NEXT: 0xc88a ; ldp x21, x22, [sp, #80]30# CHECK-NEXT: 0xc908 ; ldp x23, x24, [sp, #64]31# CHECK-NEXT: 0xc986 ; ldp x25, x26, [sp, #48]32# CHECK-NEXT: 0xca04 ; ldp x27, x28, [sp, #32]33# CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16]34# CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #11235# CHECK-NEXT: 0xe4 ; end36# CHECK-NEXT: ]37# CHECK-NEXT: }38# CHECK-NEXT: EpilogueScope {39# CHECK-NEXT: StartOffset: 3340# CHECK-NEXT: EpilogueStartIndex: 041# CHECK-NEXT: Opcodes [42# CHECK-NEXT: 0xc80c ; ldp x19, x20, [sp, #96]43# CHECK-NEXT: 0xc88a ; ldp x21, x22, [sp, #80]44# CHECK-NEXT: 0xc908 ; ldp x23, x24, [sp, #64]45# CHECK-NEXT: 0xc986 ; ldp x25, x26, [sp, #48]46# CHECK-NEXT: 0xca04 ; ldp x27, x28, [sp, #32]47# CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16]48# CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #11249# CHECK-NEXT: 0xe4 ; end50# CHECK-NEXT: ]51# CHECK-NEXT: }52# CHECK-NEXT: ]53# CHECK-NEXT: }54...55---56name: test57alignment: 458exposesReturnsTwice: false59legalized: false60regBankSelected: false61selected: false62failedISel: false63tracksRegLiveness: true64hasWinCFI: true65registers:66liveins:67 - { reg: '$w0', virtual-reg: '' }68frameInfo:69 isFrameAddressTaken: false70 isReturnAddressTaken: false71 hasStackMap: false72 hasPatchPoint: false73 stackSize: 11274 offsetAdjustment: 075 maxAlignment: 876 adjustsStack: false77 hasCalls: false78 stackProtector: ''79 maxCallFrameSize: 080 hasOpaqueSPAdjustment: true81 hasVAStart: false82 hasMustTailInVarArgFunc: false83 localFrameSize: 084 savePoint: []85 restorePoint: []86fixedStack:87stack:88 - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,89 stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,90 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }91 - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,92 stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,93 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }94 - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,95 stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,96 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }97 - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,98 stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,99 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }100 - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,101 stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,102 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }103 - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,104 stack-id: default, callee-saved-register: '$x24', callee-saved-restored: true,105 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }106 - { id: 6, name: '', type: spill-slot, offset: -56, size: 8, alignment: 8,107 stack-id: default, callee-saved-register: '$x25', callee-saved-restored: true,108 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }109 - { id: 7, name: '', type: spill-slot, offset: -64, size: 8, alignment: 8,110 stack-id: default, callee-saved-register: '$x26', callee-saved-restored: true,111 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }112 - { id: 8, name: '', type: spill-slot, offset: -72, size: 8, alignment: 8,113 stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,114 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }115 - { id: 9, name: '', type: spill-slot, offset: -80, size: 8, alignment: 8,116 stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,117 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }118 - { id: 10, name: '', type: spill-slot, offset: -88, size: 8, alignment: 8,119 stack-id: default, callee-saved-register: '$d8', callee-saved-restored: true,120 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }121 - { id: 11, name: '', type: spill-slot, offset: -96, size: 8, alignment: 8,122 stack-id: default, callee-saved-register: '$d9', callee-saved-restored: true,123 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }124 - { id: 12, name: '', type: spill-slot, offset: -104, size: 8, alignment: 8,125 stack-id: default, callee-saved-register: '$d10', callee-saved-restored: true,126 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }127 - { id: 13, name: '', type: spill-slot, offset: -112, size: 8, alignment: 8,128 stack-id: default, callee-saved-register: '$d11', callee-saved-restored: true,129 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }130constants:131body: |132 bb.0.entry:133 successors: %bb.2(0x40000000), %bb.1(0x40000000)134 liveins: $x0, $x1, $d0, $d1, $d10, $d11, $d8, $d9, $x27, $x28, $x25, $x26, $x23, $x24, $x21, $x22, $x19, $x20135 136 early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store (s64) into %stack.12), (store (s64) into %stack.13)137 frame-setup SEH_SaveFRegP_X 10, 11, -112138 frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store (s64) into %stack.10), (store (s64) into %stack.11)139 frame-setup SEH_SaveFRegP 8, 9, 16140 frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store (s64) into %stack.8), (store (s64) into %stack.9)141 frame-setup SEH_SaveRegP 27, 28, 32142 frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store (s64) into %stack.6), (store (s64) into %stack.7)143 frame-setup SEH_SaveRegP 25, 26, 48144 frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store (s64) into %stack.4), (store (s64) into %stack.5)145 frame-setup SEH_SaveRegP 23, 24, 64146 frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store (s64) into %stack.2), (store (s64) into %stack.3)147 frame-setup SEH_SaveRegP 21, 22, 80148 frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store (s64) into %stack.0), (store (s64) into %stack.1)149 frame-setup SEH_SaveRegP 19, 20, 96150 frame-setup SEH_PrologEnd151 frame-setup CFI_INSTRUCTION def_cfa_offset 112152 frame-setup CFI_INSTRUCTION offset $w19, -8153 frame-setup CFI_INSTRUCTION offset $w20, -16154 frame-setup CFI_INSTRUCTION offset $w21, -24155 frame-setup CFI_INSTRUCTION offset $w22, -32156 frame-setup CFI_INSTRUCTION offset $w23, -40157 frame-setup CFI_INSTRUCTION offset $w24, -48158 frame-setup CFI_INSTRUCTION offset $w25, -56159 frame-setup CFI_INSTRUCTION offset $w26, -64160 frame-setup CFI_INSTRUCTION offset $w27, -72161 frame-setup CFI_INSTRUCTION offset $w28, -80162 frame-setup CFI_INSTRUCTION offset $b8, -88163 frame-setup CFI_INSTRUCTION offset $b9, -96164 frame-setup CFI_INSTRUCTION offset $b10, -104165 frame-setup CFI_INSTRUCTION offset $b11, -112166 $x19 = ADDXrr $x0, killed $x1167 $d8 = FADDDrr killed $d0, $d1, implicit $fpcr168 $d9 = FADDDrr $d8, $d1, implicit $fpcr169 $d10 = FADDDrr $d9, $d8, implicit $fpcr170 $d11 = FADDDrr killed $d9, $d10, implicit $fpcr171 $x20 = SUBSXrr $x19, killed $x0, implicit-def $nzcv172 Bcc 1, %bb.2, implicit killed $nzcv173 B %bb.1174 175 bb.1:176 liveins: $x19, $x20177 178 $x21 = ADDXrr $x20, killed $x19179 $x22 = ADDXrr $x21, killed $x20180 $x23 = ADDXrr $x22, killed $x21181 $x24 = ADDXrr $x23, killed $x22182 $x25 = ADDXrr $x24, killed $x23183 $x26 = ADDXrr $x25, killed $x24184 $x27 = ADDXrr $x26, killed $x25185 $x28 = ADDXrr $x27, killed $x26186 $x0 = COPY $x28187 frame-destroy SEH_EpilogStart188 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load (s64) from %stack.0), (load (s64) from %stack.1)189 frame-destroy SEH_SaveRegP 19, 20, 96190 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3)191 frame-destroy SEH_SaveRegP 21, 22, 80192 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5)193 frame-destroy SEH_SaveRegP 23, 24, 64194 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7)195 frame-destroy SEH_SaveRegP 25, 26, 48196 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load (s64) from %stack.8), (load (s64) from %stack.9)197 frame-destroy SEH_SaveRegP 27, 28, 32198 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11)199 frame-destroy SEH_SaveFRegP 8, 9, 16200 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13)201 frame-destroy SEH_SaveFRegP_X 10, 11, -112202 frame-destroy SEH_EpilogEnd203 RET_ReallyLR implicit $x0204 205 bb.2:206 liveins: $d11207 208 $x0 = COPY $d11209 $x0 = ADDXrr $x0, $x0210 frame-destroy SEH_EpilogStart211 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load (s64) from %stack.0), (load (s64) from %stack.1)212 frame-destroy SEH_SaveRegP 19, 20, 96213 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3)214 frame-destroy SEH_SaveRegP 21, 22, 80215 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5)216 frame-destroy SEH_SaveRegP 23, 24, 64217 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7)218 frame-destroy SEH_SaveRegP 25, 26, 48219 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load (s64) from %stack.8), (load (s64) from %stack.9)220 frame-destroy SEH_SaveRegP 27, 28, 32221 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11)222 frame-destroy SEH_SaveFRegP 8, 9, 16223 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13)224 frame-destroy SEH_SaveFRegP_X 10, 11, -112225 frame-destroy SEH_EpilogEnd226 RET_ReallyLR implicit $x0227 228...229