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1# RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \2# RUN: -filetype=obj | llvm-readobj --unwind - | FileCheck %s3# Test that the register pairing of both general purpose and floating point4# registers is correctly saved in the .xdata section, as well as the pre/post5# increment of floating point register pairs.6 7# CHECK: ExceptionData {8# CHECK-NEXT: FunctionLength: 1249# CHECK-NEXT: Version: 010# CHECK-NEXT: ExceptionData: No11# CHECK-NEXT: EpiloguePacked: Yes12# CHECK-NEXT: EpilogueOffset: 013# CHECK-NEXT: ByteCodeLength: 1614# CHECK-NEXT: Prologue [15# CHECK-NEXT: 0xc80c ; stp x19, x20, [sp, #96]16# CHECK-NEXT: 0xc88a ; stp x21, x22, [sp, #80]17# CHECK-NEXT: 0xc908 ; stp x23, x24, [sp, #64]18# CHECK-NEXT: 0xc986 ; stp x25, x26, [sp, #48]19# CHECK-NEXT: 0xca04 ; stp x27, x28, [sp, #32]20# CHECK-NEXT: 0xd802 ; stp d8, d9, [sp, #16]21# CHECK-NEXT: 0xda8d ; stp d10, d11, [sp, #-112]!22# CHECK-NEXT: 0xe4 ; end23# CHECK-NEXT: ]24# CHECK-NEXT: }25...26---27name: test28alignment: 429exposesReturnsTwice: false30legalized: false31regBankSelected: false32selected: false33failedISel: false34tracksRegLiveness: true35hasWinCFI: true36registers:37liveins:38 - { reg: '$w0', virtual-reg: '' }39frameInfo:40 isFrameAddressTaken: false41 isReturnAddressTaken: false42 hasStackMap: false43 hasPatchPoint: false44 stackSize: 11245 offsetAdjustment: 046 maxAlignment: 847 adjustsStack: false48 hasCalls: false49 stackProtector: ''50 maxCallFrameSize: 051 hasOpaqueSPAdjustment: true52 hasVAStart: false53 hasMustTailInVarArgFunc: false54 localFrameSize: 055 savePoint: []56 restorePoint: []57fixedStack:58stack:59 - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,60 stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,61 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }62 - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,63 stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,64 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }65 - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,66 stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,67 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }68 - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,69 stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,70 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }71 - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,72 stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,73 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }74 - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,75 stack-id: default, callee-saved-register: '$x24', callee-saved-restored: true,76 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }77 - { id: 6, name: '', type: spill-slot, offset: -56, size: 8, alignment: 8,78 stack-id: default, callee-saved-register: '$x25', callee-saved-restored: true,79 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }80 - { id: 7, name: '', type: spill-slot, offset: -64, size: 8, alignment: 8,81 stack-id: default, callee-saved-register: '$x26', callee-saved-restored: true,82 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }83 - { id: 8, name: '', type: spill-slot, offset: -72, size: 8, alignment: 8,84 stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,85 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }86 - { id: 9, name: '', type: spill-slot, offset: -80, size: 8, alignment: 8,87 stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,88 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }89 - { id: 10, name: '', type: spill-slot, offset: -88, size: 8, alignment: 8,90 stack-id: default, callee-saved-register: '$d8', callee-saved-restored: true,91 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }92 - { id: 11, name: '', type: spill-slot, offset: -96, size: 8, alignment: 8,93 stack-id: default, callee-saved-register: '$d9', callee-saved-restored: true,94 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }95 - { id: 12, name: '', type: spill-slot, offset: -104, size: 8, alignment: 8,96 stack-id: default, callee-saved-register: '$d10', callee-saved-restored: true,97 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }98 - { id: 13, name: '', type: spill-slot, offset: -112, size: 8, alignment: 8,99 stack-id: default, callee-saved-register: '$d11', callee-saved-restored: true,100 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }101constants:102body: |103 bb.0.entry:104 liveins: $x0, $x1, $d0, $d1, $d10, $d11, $d8, $d9, $x27, $x28, $x25, $x26, $x23, $x24, $x21, $x22, $x19, $x20105 106 early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store (s64) into %stack.12), (store (s64) into %stack.13)107 frame-setup SEH_SaveFRegP_X 10, 11, -112108 frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store (s64) into %stack.10), (store (s64) into %stack.11)109 frame-setup SEH_SaveFRegP 8, 9, 16110 frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store (s64) into %stack.8), (store (s64) into %stack.9)111 frame-setup SEH_SaveRegP 27, 28, 32112 frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store (s64) into %stack.6), (store (s64) into %stack.7)113 frame-setup SEH_SaveRegP 25, 26, 48114 frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store (s64) into %stack.4), (store (s64) into %stack.5)115 frame-setup SEH_SaveRegP 23, 24, 64116 frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store (s64) into %stack.2), (store (s64) into %stack.3)117 frame-setup SEH_SaveRegP 21, 22, 80118 frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store (s64) into %stack.0), (store (s64) into %stack.1)119 frame-setup SEH_SaveRegP 19, 20, 96120 frame-setup SEH_PrologEnd121 $x19 = ADDXrr $x0, killed $x1122 $d8 = FADDDrr killed $d0, $d1, implicit $fpcr123 $d9 = FADDDrr $d8, $d1, implicit $fpcr124 $d10 = FADDDrr $d9, $d8, implicit $fpcr125 $d11 = FADDDrr killed $d9, $d10, implicit $fpcr126 $x20 = ADDXrr $x19, killed $x0127 $x21 = ADDXrr $x20, killed $x19128 $x22 = ADDXrr $x21, killed $x20129 $x23 = ADDXrr $x22, killed $x21130 $x24 = ADDXrr $x23, killed $x22131 $x25 = ADDXrr $x24, killed $x23132 $x26 = ADDXrr $x25, killed $x24133 $x27 = ADDXrr $x26, killed $x25134 $x28 = ADDXrr $x27, killed $x26135 $x0 = COPY $d11136 $x0 = ADDXrr $x0, killed $x28137 frame-destroy SEH_EpilogStart138 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load (s64) from %stack.0), (load (s64) from %stack.1)139 frame-destroy SEH_SaveRegP 19, 20, 96140 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3)141 frame-destroy SEH_SaveRegP 21, 22, 80142 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5)143 frame-destroy SEH_SaveRegP 23, 24, 64144 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7)145 frame-destroy SEH_SaveRegP 25, 26, 48146 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load (s64) from %stack.8), (load (s64) from %stack.9)147 frame-destroy SEH_SaveRegP 27, 28, 32148 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11)149 frame-destroy SEH_SaveFRegP 8, 9, 16150 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13)151 frame-destroy SEH_SaveFRegP_X 10, 11, -112152 frame-destroy SEH_EpilogEnd153 RET_ReallyLR implicit $x0154 155...156