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.
7 # CHECK: ExceptionData {
8 # CHECK-NEXT: FunctionLength: 124
9 # CHECK-NEXT: Version: 0
10 # CHECK-NEXT: ExceptionData: No
11 # CHECK-NEXT: EpiloguePacked: No
12 # CHECK-NEXT: EpilogueScopes: 1
13 # CHECK-NEXT: ByteCodeLength: 32
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
24 # CHECK-NEXT: EpilogueScopes [
25 # CHECK-NEXT: EpilogueScope {
26 # CHECK-NEXT: StartOffset: 23
27 # CHECK-NEXT: EpilogueStartIndex: 15
28 # CHECK-NEXT: Opcodes [
29 # CHECK-NEXT: 0xc80c ; ldp x19, x20, [sp, #96]
30 # CHECK-NEXT: 0xc88a ; ldp x21, x22, [sp, #80]
31 # CHECK-NEXT: 0xc908 ; ldp x23, x24, [sp, #64]
32 # CHECK-NEXT: 0xc986 ; ldp x25, x26, [sp, #48]
33 # CHECK-NEXT: 0xca04 ; ldp x27, x28, [sp, #32]
34 # CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16]
35 # CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #112
36 # CHECK-NEXT: 0xe4 ; end
45 exposesReturnsTwice: false
47 regBankSelected: false
50 tracksRegLiveness: true
54 - { reg: '$w0', virtual-reg: '' }
56 isFrameAddressTaken: false
57 isReturnAddressTaken: false
67 hasOpaqueSPAdjustment: true
69 hasMustTailInVarArgFunc: false
75 - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
76 stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,
77 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
78 - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
79 stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,
80 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
81 - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
82 stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,
83 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
84 - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
85 stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,
86 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
87 - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,
88 stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,
89 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
90 - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
91 stack-id: default, callee-saved-register: '$x24', callee-saved-restored: true,
92 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
93 - { id: 6, name: '', type: spill-slot, offset: -56, size: 8, alignment: 8,
94 stack-id: default, callee-saved-register: '$x25', callee-saved-restored: true,
95 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
96 - { id: 7, name: '', type: spill-slot, offset: -64, size: 8, alignment: 8,
97 stack-id: default, callee-saved-register: '$x26', callee-saved-restored: true,
98 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
99 - { id: 8, name: '', type: spill-slot, offset: -72, size: 8, alignment: 8,
100 stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,
101 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
102 - { id: 9, name: '', type: spill-slot, offset: -80, size: 8, alignment: 8,
103 stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,
104 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
105 - { id: 10, name: '', type: spill-slot, offset: -88, size: 8, alignment: 8,
106 stack-id: default, callee-saved-register: '$d8', callee-saved-restored: true,
107 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
108 - { id: 11, name: '', type: spill-slot, offset: -96, size: 8, alignment: 8,
109 stack-id: default, callee-saved-register: '$d9', callee-saved-restored: true,
110 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
111 - { id: 12, name: '', type: spill-slot, offset: -104, size: 8, alignment: 8,
112 stack-id: default, callee-saved-register: '$d10', callee-saved-restored: true,
113 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
114 - { id: 13, name: '', type: spill-slot, offset: -112, size: 8, alignment: 8,
115 stack-id: default, callee-saved-register: '$d11', callee-saved-restored: true,
116 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
120 liveins: $x0, $x1, $d0, $d1, $d10, $d11, $d8, $d9, $x27, $x28, $x25, $x26, $x23, $x24, $x21, $x22, $x19, $x20
122 early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store 8 into %stack.12), (store 8 into %stack.13)
123 frame-setup SEH_SaveFRegP_X 10, 11, -112
124 frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store 8 into %stack.10), (store 8 into %stack.11)
125 frame-setup SEH_SaveFRegP 8, 9, 16
126 frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store 8 into %stack.8), (store 8 into %stack.9)
127 frame-setup SEH_SaveRegP 27, 28, 32
128 frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store 8 into %stack.6), (store 8 into %stack.7)
129 frame-setup SEH_SaveRegP 25, 26, 48
130 frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store 8 into %stack.4), (store 8 into %stack.5)
131 frame-setup SEH_SaveRegP 23, 24, 64
132 frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store 8 into %stack.2), (store 8 into %stack.3)
133 frame-setup SEH_SaveRegP 21, 22, 80
134 frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store 8 into %stack.0), (store 8 into %stack.1)
135 frame-setup SEH_SaveRegP 19, 20, 96
136 frame-setup SEH_PrologEnd
137 $x19 = ADDXrr $x0, killed $x1
138 $d8 = FADDDrr killed $d0, $d1
139 $d9 = FADDDrr $d8, $d1
140 $d10 = FADDDrr $d9, $d8
141 $d11 = FADDDrr killed $d9, $d10
142 $x20 = ADDXrr $x19, killed $x0
143 $x21 = ADDXrr $x20, killed $x19
144 $x22 = ADDXrr $x21, killed $x20
145 $x23 = ADDXrr $x22, killed $x21
146 $x24 = ADDXrr $x23, killed $x22
147 $x25 = ADDXrr $x24, killed $x23
148 $x26 = ADDXrr $x25, killed $x24
149 $x27 = ADDXrr $x26, killed $x25
150 $x28 = ADDXrr $x27, killed $x26
152 $x0 = ADDXrr $x0, killed $x28
153 frame-destroy SEH_EpilogStart
154 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load 8 from %stack.0), (load 8 from %stack.1)
155 frame-destroy SEH_SaveRegP 19, 20, 96
156 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load 8 from %stack.2), (load 8 from %stack.3)
157 frame-destroy SEH_SaveRegP 21, 22, 80
158 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load 8 from %stack.4), (load 8 from %stack.5)
159 frame-destroy SEH_SaveRegP 23, 24, 64
160 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load 8 from %stack.6), (load 8 from %stack.7)
161 frame-destroy SEH_SaveRegP 25, 26, 48
162 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load 8 from %stack.8), (load 8 from %stack.9)
163 frame-destroy SEH_SaveRegP 27, 28, 32
164 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load 8 from %stack.10), (load 8 from %stack.11)
165 frame-destroy SEH_SaveFRegP 8, 9, 16
166 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load 8 from %stack.12), (load 8 from %stack.13)
167 frame-destroy SEH_SaveFRegP_X 10, 11, -112
168 frame-destroy SEH_EpilogEnd
169 RET_ReallyLR implicit $x0