1# RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \ 2# RUN: -disable-branch-fold -filetype=obj \ 3# RUN: | llvm-readobj --unwind | FileCheck %s 4# Check that non-identical multiple epilgoues are correctly shared in .xdata. 5 6# CHECK: ExceptionData { 7# CHECK-NEXT: FunctionLength: 160 8# CHECK-NEXT: Version: 0 9# CHECK-NEXT: ExceptionData: No 10# CHECK-NEXT: EpiloguePacked: No 11# CHECK-NEXT: EpilogueScopes: 2 12# CHECK-NEXT: ByteCodeLength: 44 13# 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 ; end 22# CHECK-NEXT: ] 23# CHECK-NEXT: EpilogueScopes [ 24# CHECK-NEXT: EpilogueScope { 25# CHECK-NEXT: StartOffset: 16 26# CHECK-NEXT: EpilogueStartIndex: 15 27# 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: 0xd802 ; ldp d8, d9, [sp, #16] 33# CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #112 34# CHECK-NEXT: 0xe4 ; end 35# CHECK-NEXT: ] 36# CHECK-NEXT: } 37# CHECK-NEXT: EpilogueScope { 38# CHECK-NEXT: StartOffset: 32 39# CHECK-NEXT: EpilogueStartIndex: 28 40# CHECK-NEXT: Opcodes [ 41# CHECK-NEXT: 0xc80c ; ldp x19, x20, [sp, #96] 42# CHECK-NEXT: 0xc88a ; ldp x21, x22, [sp, #80] 43# CHECK-NEXT: 0xc908 ; ldp x23, x24, [sp, #64] 44# CHECK-NEXT: 0xc986 ; ldp x25, x26, [sp, #48] 45# CHECK-NEXT: 0xca04 ; ldp x27, x28, [sp, #32] 46# CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16] 47# CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #112 48# CHECK-NEXT: 0xe4 ; end 49# CHECK-NEXT: ] 50# CHECK-NEXT: } 51# CHECK-NEXT: ] 52# CHECK-NEXT: } 53... 54--- 55name: test 56alignment: 4 57exposesReturnsTwice: false 58legalized: false 59regBankSelected: false 60selected: false 61failedISel: false 62tracksRegLiveness: true 63hasWinCFI: true 64registers: 65liveins: 66 - { reg: '$w0', virtual-reg: '' } 67frameInfo: 68 isFrameAddressTaken: false 69 isReturnAddressTaken: false 70 hasStackMap: false 71 hasPatchPoint: false 72 stackSize: 112 73 offsetAdjustment: 0 74 maxAlignment: 8 75 adjustsStack: false 76 hasCalls: false 77 stackProtector: '' 78 maxCallFrameSize: 0 79 hasOpaqueSPAdjustment: true 80 hasVAStart: false 81 hasMustTailInVarArgFunc: false 82 localFrameSize: 0 83 savePoint: '' 84 restorePoint: '' 85fixedStack: 86stack: 87 - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8, 88 stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true, 89 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 90 - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8, 91 stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true, 92 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 93 - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8, 94 stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true, 95 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 96 - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8, 97 stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true, 98 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 99 - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8, 100 stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true, 101 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 102 - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8, 103 stack-id: default, callee-saved-register: '$x24', callee-saved-restored: true, 104 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 105 - { id: 6, name: '', type: spill-slot, offset: -56, size: 8, alignment: 8, 106 stack-id: default, callee-saved-register: '$x25', callee-saved-restored: true, 107 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 108 - { id: 7, name: '', type: spill-slot, offset: -64, size: 8, alignment: 8, 109 stack-id: default, callee-saved-register: '$x26', callee-saved-restored: true, 110 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 111 - { id: 8, name: '', type: spill-slot, offset: -72, size: 8, alignment: 8, 112 stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true, 113 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 114 - { id: 9, name: '', type: spill-slot, offset: -80, size: 8, alignment: 8, 115 stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true, 116 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 117 - { id: 10, name: '', type: spill-slot, offset: -88, size: 8, alignment: 8, 118 stack-id: default, callee-saved-register: '$d8', callee-saved-restored: true, 119 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 120 - { id: 11, name: '', type: spill-slot, offset: -96, size: 8, alignment: 8, 121 stack-id: default, callee-saved-register: '$d9', callee-saved-restored: true, 122 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 123 - { id: 12, name: '', type: spill-slot, offset: -104, size: 8, alignment: 8, 124 stack-id: default, callee-saved-register: '$d10', callee-saved-restored: true, 125 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 126 - { id: 13, name: '', type: spill-slot, offset: -112, size: 8, alignment: 8, 127 stack-id: default, callee-saved-register: '$d11', callee-saved-restored: true, 128 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 129constants: 130body: | 131 bb.0.entry: 132 successors: %bb.2(0x40000000), %bb.1(0x40000000) 133 liveins: $x0, $x1, $d0, $d1, $d10, $d11, $d8, $d9, $x27, $x28, $x25, $x26, $x23, $x24, $x21, $x22, $x19, $x20 134 135 early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store 8 into %stack.12), (store 8 into %stack.13) 136 frame-setup SEH_SaveFRegP_X 10, 11, -112 137 frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store 8 into %stack.10), (store 8 into %stack.11) 138 frame-setup SEH_SaveFRegP 8, 9, 16 139 frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store 8 into %stack.8), (store 8 into %stack.9) 140 frame-setup SEH_SaveRegP 27, 28, 32 141 frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store 8 into %stack.6), (store 8 into %stack.7) 142 frame-setup SEH_SaveRegP 25, 26, 48 143 frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store 8 into %stack.4), (store 8 into %stack.5) 144 frame-setup SEH_SaveRegP 23, 24, 64 145 frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store 8 into %stack.2), (store 8 into %stack.3) 146 frame-setup SEH_SaveRegP 21, 22, 80 147 frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store 8 into %stack.0), (store 8 into %stack.1) 148 frame-setup SEH_SaveRegP 19, 20, 96 149 frame-setup SEH_PrologEnd 150 frame-setup CFI_INSTRUCTION def_cfa_offset 112 151 frame-setup CFI_INSTRUCTION offset $w19, -8 152 frame-setup CFI_INSTRUCTION offset $w20, -16 153 frame-setup CFI_INSTRUCTION offset $w21, -24 154 frame-setup CFI_INSTRUCTION offset $w22, -32 155 frame-setup CFI_INSTRUCTION offset $w23, -40 156 frame-setup CFI_INSTRUCTION offset $w24, -48 157 frame-setup CFI_INSTRUCTION offset $w25, -56 158 frame-setup CFI_INSTRUCTION offset $w26, -64 159 frame-setup CFI_INSTRUCTION offset $w27, -72 160 frame-setup CFI_INSTRUCTION offset $w28, -80 161 frame-setup CFI_INSTRUCTION offset $b8, -88 162 frame-setup CFI_INSTRUCTION offset $b9, -96 163 frame-setup CFI_INSTRUCTION offset $b10, -104 164 frame-setup CFI_INSTRUCTION offset $b11, -112 165 $x19 = ADDXrr $x0, killed $x1 166 $d8 = FADDDrr killed $d0, $d1 167 $d9 = FADDDrr $d8, $d1 168 $d10 = FADDDrr $d9, $d8 169 $d11 = FADDDrr killed $d9, $d10 170 $x20 = SUBSXrr $x19, killed $x0, implicit-def $nzcv 171 Bcc 1, %bb.2, implicit killed $nzcv 172 B %bb.1 173 174 bb.1: 175 liveins: $x19, $x20 176 177 $x21 = ADDXrr $x20, killed $x19 178 $x22 = ADDXrr $x21, killed $x20 179 $x23 = ADDXrr $x22, killed $x21 180 $x24 = ADDXrr $x23, killed $x22 181 $x25 = ADDXrr $x24, killed $x23 182 $x26 = ADDXrr $x25, killed $x24 183 $x27 = ADDXrr $x26, killed $x25 184 $x28 = ADDXrr $x27, killed $x26 185 $x0 = COPY $x28 186 frame-destroy SEH_EpilogStart 187 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load 8 from %stack.0), (load 8 from %stack.1) 188 frame-destroy SEH_SaveRegP 19, 20, 96 189 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load 8 from %stack.2), (load 8 from %stack.3) 190 frame-destroy SEH_SaveRegP 21, 22, 80 191 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load 8 from %stack.4), (load 8 from %stack.5) 192 frame-destroy SEH_SaveRegP 23, 24, 64 193 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load 8 from %stack.6), (load 8 from %stack.7) 194 frame-destroy SEH_SaveRegP 25, 26, 48 195 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load 8 from %stack.8), (load 8 from %stack.9) 196 frame-destroy SEH_SaveRegP 27, 28, 32 197 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load 8 from %stack.10), (load 8 from %stack.11) 198 frame-destroy SEH_SaveFRegP 8, 9, 16 199 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load 8 from %stack.12), (load 8 from %stack.13) 200 frame-destroy SEH_SaveFRegP_X 10, 11, -112 201 frame-destroy SEH_EpilogEnd 202 RET_ReallyLR implicit $x0 203 204 bb.2: 205 liveins: $d11 206 207 $x0 = COPY $d11 208 $x0 = ADDXrr $x0, $x0 209 frame-destroy SEH_EpilogStart 210 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load 8 from %stack.0), (load 8 from %stack.1) 211 frame-destroy SEH_SaveRegP 19, 20, 96 212 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load 8 from %stack.2), (load 8 from %stack.3) 213 frame-destroy SEH_SaveRegP 21, 22, 80 214 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load 8 from %stack.4), (load 8 from %stack.5) 215 frame-destroy SEH_SaveRegP 23, 24, 64 216 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load 8 from %stack.6), (load 8 from %stack.7) 217 frame-destroy SEH_SaveRegP 25, 26, 48 218 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load 8 from %stack.10), (load 8 from %stack.11) 219 frame-destroy SEH_SaveFRegP 8, 9, 16 220 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load 8 from %stack.12), (load 8 from %stack.13) 221 frame-destroy SEH_SaveFRegP_X 10, 11, -112 222 frame-destroy SEH_EpilogEnd 223 RET_ReallyLR implicit $x0 224 225... 226