1# RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \ 2# RUN: -filetype=obj | llvm-readobj --unwind - | FileCheck %s 3# Test that the register pairing of both general purpose and floating point 4# registers is correctly saved in the .xdata section, as well as the pre/post 5# increment of floating point register pairs. 6 7# CHECK: ExceptionData { 8# CHECK-NEXT: FunctionLength: 124 9# CHECK-NEXT: Version: 0 10# CHECK-NEXT: ExceptionData: No 11# CHECK-NEXT: EpiloguePacked: Yes 12# CHECK-NEXT: EpilogueOffset: 0 13# CHECK-NEXT: ByteCodeLength: 16 14# 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 ; end 23# CHECK-NEXT: ] 24# CHECK-NEXT: } 25... 26--- 27name: test 28alignment: 4 29exposesReturnsTwice: false 30legalized: false 31regBankSelected: false 32selected: false 33failedISel: false 34tracksRegLiveness: true 35hasWinCFI: true 36registers: 37liveins: 38 - { reg: '$w0', virtual-reg: '' } 39frameInfo: 40 isFrameAddressTaken: false 41 isReturnAddressTaken: false 42 hasStackMap: false 43 hasPatchPoint: false 44 stackSize: 112 45 offsetAdjustment: 0 46 maxAlignment: 8 47 adjustsStack: false 48 hasCalls: false 49 stackProtector: '' 50 maxCallFrameSize: 0 51 hasOpaqueSPAdjustment: true 52 hasVAStart: false 53 hasMustTailInVarArgFunc: false 54 localFrameSize: 0 55 savePoint: '' 56 restorePoint: '' 57fixedStack: 58stack: 59 - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8, 60 stack-id: default, callee-saved-register: '$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, $x20 105 106 early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store 8 into %stack.12), (store 8 into %stack.13) 107 frame-setup SEH_SaveFRegP_X 10, 11, -112 108 frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store 8 into %stack.10), (store 8 into %stack.11) 109 frame-setup SEH_SaveFRegP 8, 9, 16 110 frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store 8 into %stack.8), (store 8 into %stack.9) 111 frame-setup SEH_SaveRegP 27, 28, 32 112 frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store 8 into %stack.6), (store 8 into %stack.7) 113 frame-setup SEH_SaveRegP 25, 26, 48 114 frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store 8 into %stack.4), (store 8 into %stack.5) 115 frame-setup SEH_SaveRegP 23, 24, 64 116 frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store 8 into %stack.2), (store 8 into %stack.3) 117 frame-setup SEH_SaveRegP 21, 22, 80 118 frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store 8 into %stack.0), (store 8 into %stack.1) 119 frame-setup SEH_SaveRegP 19, 20, 96 120 frame-setup SEH_PrologEnd 121 $x19 = ADDXrr $x0, killed $x1 122 $d8 = FADDDrr killed $d0, $d1 123 $d9 = FADDDrr $d8, $d1 124 $d10 = FADDDrr $d9, $d8 125 $d11 = FADDDrr killed $d9, $d10 126 $x20 = ADDXrr $x19, killed $x0 127 $x21 = ADDXrr $x20, killed $x19 128 $x22 = ADDXrr $x21, killed $x20 129 $x23 = ADDXrr $x22, killed $x21 130 $x24 = ADDXrr $x23, killed $x22 131 $x25 = ADDXrr $x24, killed $x23 132 $x26 = ADDXrr $x25, killed $x24 133 $x27 = ADDXrr $x26, killed $x25 134 $x28 = ADDXrr $x27, killed $x26 135 $x0 = COPY $d11 136 $x0 = ADDXrr $x0, killed $x28 137 frame-destroy SEH_EpilogStart 138 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load 8 from %stack.0), (load 8 from %stack.1) 139 frame-destroy SEH_SaveRegP 19, 20, 96 140 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load 8 from %stack.2), (load 8 from %stack.3) 141 frame-destroy SEH_SaveRegP 21, 22, 80 142 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load 8 from %stack.4), (load 8 from %stack.5) 143 frame-destroy SEH_SaveRegP 23, 24, 64 144 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load 8 from %stack.6), (load 8 from %stack.7) 145 frame-destroy SEH_SaveRegP 25, 26, 48 146 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load 8 from %stack.8), (load 8 from %stack.9) 147 frame-destroy SEH_SaveRegP 27, 28, 32 148 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load 8 from %stack.10), (load 8 from %stack.11) 149 frame-destroy SEH_SaveFRegP 8, 9, 16 150 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load 8 from %stack.12), (load 8 from %stack.13) 151 frame-destroy SEH_SaveFRegP_X 10, 11, -112 152 frame-destroy SEH_EpilogEnd 153 RET_ReallyLR implicit $x0 154 155... 156