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