| blob | f1fad8b70ff27cfe0af70603db244963f55bb68c |
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.
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: 28
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: 0
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 ---
55 name: test
56 alignment: 4
57 exposesReturnsTwice: false
58 legalized: false
59 regBankSelected: false
60 selected: false
61 failedISel: false
62 tracksRegLiveness: true
63 hasWinCFI: true
64 registers:
65 liveins:
66 - { reg: '$w0', virtual-reg: '' }
67 frameInfo:
68 isFrameAddressTaken: false
69 isReturnAddressTaken: false
70 hasStackMap: false
71 hasPatchPoint: false
72 stackSize: 112
73 offsetAdjustment: 0
74 maxAlignment: 8
75 adjustsStack: false
76 hasCalls: false
77 stackProtector: ''
78 maxCallFrameSize: 0
79 hasOpaqueSPAdjustment: true
80 hasVAStart: false
81 hasMustTailInVarArgFunc: false
82 localFrameSize: 0
83 savePoint: ''
84 restorePoint: ''
85 fixedStack:
86 stack:
87 - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
88 stack-id: default, callee-saved-register: '$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: '' }
129 constants:
130 body: |
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
135 early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store (s64) into %stack.12), (store (s64) into %stack.13)
136 frame-setup SEH_SaveFRegP_X 10, 11, -112
137 frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store (s64) into %stack.10), (store (s64) into %stack.11)
138 frame-setup SEH_SaveFRegP 8, 9, 16
139 frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store (s64) into %stack.8), (store (s64) into %stack.9)
140 frame-setup SEH_SaveRegP 27, 28, 32
141 frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store (s64) into %stack.6), (store (s64) into %stack.7)
142 frame-setup SEH_SaveRegP 25, 26, 48
143 frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store (s64) into %stack.4), (store (s64) into %stack.5)
144 frame-setup SEH_SaveRegP 23, 24, 64
145 frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store (s64) into %stack.2), (store (s64) into %stack.3)
146 frame-setup SEH_SaveRegP 21, 22, 80
147 frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store (s64) into %stack.0), (store (s64) 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, implicit $fpcr
167 $d9 = FADDDrr $d8, $d1, implicit $fpcr
168 $d10 = FADDDrr $d9, $d8, implicit $fpcr
169 $d11 = FADDDrr killed $d9, $d10, implicit $fpcr
170 $x20 = SUBSXrr $x19, killed $x0, implicit-def $nzcv
171 Bcc 1, %bb.2, implicit killed $nzcv
172 B %bb.1
174 bb.1:
175 liveins: $x19, $x20
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 (s64) from %stack.0), (load (s64) from %stack.1)
188 frame-destroy SEH_SaveRegP 19, 20, 96
189 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3)
190 frame-destroy SEH_SaveRegP 21, 22, 80
191 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5)
192 frame-destroy SEH_SaveRegP 23, 24, 64
193 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7)
194 frame-destroy SEH_SaveRegP 25, 26, 48
195 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load (s64) from %stack.8), (load (s64) from %stack.9)
196 frame-destroy SEH_SaveRegP 27, 28, 32
197 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11)
198 frame-destroy SEH_SaveFRegP 8, 9, 16
199 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13)
200 frame-destroy SEH_SaveFRegP_X 10, 11, -112
201 frame-destroy SEH_EpilogEnd
202 RET_ReallyLR implicit $x0
204 bb.2:
205 liveins: $d11
207 $x0 = COPY $d11
208 $x0 = ADDXrr $x0, $x0
209 frame-destroy SEH_EpilogStart
210 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load (s64) from %stack.0), (load (s64) from %stack.1)
211 frame-destroy SEH_SaveRegP 19, 20, 96
212 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3)
213 frame-destroy SEH_SaveRegP 21, 22, 80
214 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5)
215 frame-destroy SEH_SaveRegP 23, 24, 64
216 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7)
217 frame-destroy SEH_SaveRegP 25, 26, 48
218 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11)
219 frame-destroy SEH_SaveFRegP 8, 9, 16
220 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13)
221 frame-destroy SEH_SaveFRegP_X 10, 11, -112
222 frame-destroy SEH_EpilogEnd
223 RET_ReallyLR implicit $x0
225 ...