| blob | 6f03a3816a7cf372c8c0c68788c5dbb7aedebca1 |
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 identical multiple epilgoues are correctly shared in .xdata.
6 # CHECK: ExceptionData {
7 # CHECK-NEXT: FunctionLength: 164
8 # CHECK-NEXT: Version: 0
9 # CHECK-NEXT: ExceptionData: No
10 # CHECK-NEXT: EpiloguePacked: No
11 # CHECK-NEXT: EpilogueScopes: 2
12 # CHECK-NEXT: ByteCodeLength: 32
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: 0xca04 ; ldp x27, x28, [sp, #32]
33 # CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16]
34 # CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #112
35 # CHECK-NEXT: 0xe4 ; end
36 # CHECK-NEXT: ]
37 # CHECK-NEXT: }
38 # CHECK-NEXT: EpilogueScope {
39 # CHECK-NEXT: StartOffset: 33
40 # CHECK-NEXT: EpilogueStartIndex: 15
41 # CHECK-NEXT: Opcodes [
42 # CHECK-NEXT: 0xc80c ; ldp x19, x20, [sp, #96]
43 # CHECK-NEXT: 0xc88a ; ldp x21, x22, [sp, #80]
44 # CHECK-NEXT: 0xc908 ; ldp x23, x24, [sp, #64]
45 # CHECK-NEXT: 0xc986 ; ldp x25, x26, [sp, #48]
46 # CHECK-NEXT: 0xca04 ; ldp x27, x28, [sp, #32]
47 # CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16]
48 # CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #112
49 # CHECK-NEXT: 0xe4 ; end
50 # CHECK-NEXT: ]
51 # CHECK-NEXT: }
52 # CHECK-NEXT: ]
53 # CHECK-NEXT: }
54 ...
55 ---
56 name: test
57 alignment: 2
58 exposesReturnsTwice: false
59 legalized: false
60 regBankSelected: false
61 selected: false
62 failedISel: false
63 tracksRegLiveness: true
64 hasWinCFI: true
65 registers:
66 liveins:
67 - { reg: '$w0', virtual-reg: '' }
68 frameInfo:
69 isFrameAddressTaken: false
70 isReturnAddressTaken: false
71 hasStackMap: false
72 hasPatchPoint: false
73 stackSize: 112
74 offsetAdjustment: 0
75 maxAlignment: 8
76 adjustsStack: false
77 hasCalls: false
78 stackProtector: ''
79 maxCallFrameSize: 0
80 hasOpaqueSPAdjustment: true
81 hasVAStart: false
82 hasMustTailInVarArgFunc: false
83 localFrameSize: 0
84 savePoint: ''
85 restorePoint: ''
86 fixedStack:
87 stack:
88 - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
89 stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,
90 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
91 - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
92 stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,
93 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
94 - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
95 stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,
96 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
97 - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
98 stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,
99 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
100 - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,
101 stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,
102 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
103 - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
104 stack-id: default, callee-saved-register: '$x24', callee-saved-restored: true,
105 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
106 - { id: 6, name: '', type: spill-slot, offset: -56, size: 8, alignment: 8,
107 stack-id: default, callee-saved-register: '$x25', callee-saved-restored: true,
108 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
109 - { id: 7, name: '', type: spill-slot, offset: -64, size: 8, alignment: 8,
110 stack-id: default, callee-saved-register: '$x26', callee-saved-restored: true,
111 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
112 - { id: 8, name: '', type: spill-slot, offset: -72, size: 8, alignment: 8,
113 stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,
114 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
115 - { id: 9, name: '', type: spill-slot, offset: -80, size: 8, alignment: 8,
116 stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,
117 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
118 - { id: 10, name: '', type: spill-slot, offset: -88, size: 8, alignment: 8,
119 stack-id: default, callee-saved-register: '$d8', callee-saved-restored: true,
120 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
121 - { id: 11, name: '', type: spill-slot, offset: -96, size: 8, alignment: 8,
122 stack-id: default, callee-saved-register: '$d9', callee-saved-restored: true,
123 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
124 - { id: 12, name: '', type: spill-slot, offset: -104, size: 8, alignment: 8,
125 stack-id: default, callee-saved-register: '$d10', callee-saved-restored: true,
126 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
127 - { id: 13, name: '', type: spill-slot, offset: -112, size: 8, alignment: 8,
128 stack-id: default, callee-saved-register: '$d11', callee-saved-restored: true,
129 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
130 constants:
131 body: |
132 bb.0.entry:
133 successors: %bb.2(0x40000000), %bb.1(0x40000000)
134 liveins: $x0, $x1, $d0, $d1, $d10, $d11, $d8, $d9, $x27, $x28, $x25, $x26, $x23, $x24, $x21, $x22, $x19, $x20
136 early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store 8 into %stack.12), (store 8 into %stack.13)
137 frame-setup SEH_SaveFRegP_X 10, 11, -112
138 frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store 8 into %stack.10), (store 8 into %stack.11)
139 frame-setup SEH_SaveFRegP 8, 9, 16
140 frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store 8 into %stack.8), (store 8 into %stack.9)
141 frame-setup SEH_SaveRegP 27, 28, 32
142 frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store 8 into %stack.6), (store 8 into %stack.7)
143 frame-setup SEH_SaveRegP 25, 26, 48
144 frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store 8 into %stack.4), (store 8 into %stack.5)
145 frame-setup SEH_SaveRegP 23, 24, 64
146 frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store 8 into %stack.2), (store 8 into %stack.3)
147 frame-setup SEH_SaveRegP 21, 22, 80
148 frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store 8 into %stack.0), (store 8 into %stack.1)
149 frame-setup SEH_SaveRegP 19, 20, 96
150 frame-setup SEH_PrologEnd
151 frame-setup CFI_INSTRUCTION def_cfa_offset 112
152 frame-setup CFI_INSTRUCTION offset $w19, -8
153 frame-setup CFI_INSTRUCTION offset $w20, -16
154 frame-setup CFI_INSTRUCTION offset $w21, -24
155 frame-setup CFI_INSTRUCTION offset $w22, -32
156 frame-setup CFI_INSTRUCTION offset $w23, -40
157 frame-setup CFI_INSTRUCTION offset $w24, -48
158 frame-setup CFI_INSTRUCTION offset $w25, -56
159 frame-setup CFI_INSTRUCTION offset $w26, -64
160 frame-setup CFI_INSTRUCTION offset $w27, -72
161 frame-setup CFI_INSTRUCTION offset $w28, -80
162 frame-setup CFI_INSTRUCTION offset $b8, -88
163 frame-setup CFI_INSTRUCTION offset $b9, -96
164 frame-setup CFI_INSTRUCTION offset $b10, -104
165 frame-setup CFI_INSTRUCTION offset $b11, -112
166 $x19 = ADDXrr $x0, killed $x1
167 $d8 = FADDDrr killed $d0, $d1
168 $d9 = FADDDrr $d8, $d1
169 $d10 = FADDDrr $d9, $d8
170 $d11 = FADDDrr killed $d9, $d10
171 $x20 = SUBSXrr $x19, killed $x0, implicit-def $nzcv
172 Bcc 1, %bb.2, implicit killed $nzcv
173 B %bb.1
175 bb.1:
176 liveins: $x19, $x20
178 $x21 = ADDXrr $x20, killed $x19
179 $x22 = ADDXrr $x21, killed $x20
180 $x23 = ADDXrr $x22, killed $x21
181 $x24 = ADDXrr $x23, killed $x22
182 $x25 = ADDXrr $x24, killed $x23
183 $x26 = ADDXrr $x25, killed $x24
184 $x27 = ADDXrr $x26, killed $x25
185 $x28 = ADDXrr $x27, killed $x26
186 $x0 = COPY $x28
187 frame-destroy SEH_EpilogStart
188 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load 8 from %stack.0), (load 8 from %stack.1)
189 frame-destroy SEH_SaveRegP 19, 20, 96
190 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load 8 from %stack.2), (load 8 from %stack.3)
191 frame-destroy SEH_SaveRegP 21, 22, 80
192 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load 8 from %stack.4), (load 8 from %stack.5)
193 frame-destroy SEH_SaveRegP 23, 24, 64
194 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load 8 from %stack.6), (load 8 from %stack.7)
195 frame-destroy SEH_SaveRegP 25, 26, 48
196 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load 8 from %stack.8), (load 8 from %stack.9)
197 frame-destroy SEH_SaveRegP 27, 28, 32
198 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load 8 from %stack.10), (load 8 from %stack.11)
199 frame-destroy SEH_SaveFRegP 8, 9, 16
200 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load 8 from %stack.12), (load 8 from %stack.13)
201 frame-destroy SEH_SaveFRegP_X 10, 11, -112
202 frame-destroy SEH_EpilogEnd
203 RET_ReallyLR implicit $x0
205 bb.2:
206 liveins: $x28, $d11
208 $x0 = COPY $d11
209 $x0 = ADDXrr $x0, killed $x28
210 frame-destroy SEH_EpilogStart
211 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load 8 from %stack.0), (load 8 from %stack.1)
212 frame-destroy SEH_SaveRegP 19, 20, 96
213 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load 8 from %stack.2), (load 8 from %stack.3)
214 frame-destroy SEH_SaveRegP 21, 22, 80
215 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load 8 from %stack.4), (load 8 from %stack.5)
216 frame-destroy SEH_SaveRegP 23, 24, 64
217 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load 8 from %stack.6), (load 8 from %stack.7)
218 frame-destroy SEH_SaveRegP 25, 26, 48
219 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load 8 from %stack.8), (load 8 from %stack.9)
220 frame-destroy SEH_SaveRegP 27, 28, 32
221 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load 8 from %stack.10), (load 8 from %stack.11)
222 frame-destroy SEH_SaveFRegP 8, 9, 16
223 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load 8 from %stack.12), (load 8 from %stack.13)
224 frame-destroy SEH_SaveFRegP_X 10, 11, -112
225 frame-destroy SEH_EpilogEnd
226 RET_ReallyLR implicit $x0
228 ...