1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
| ; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s
; RUN: llc < %s | llvm-mc -filetype=obj --triple=x86_64-windows | llvm-readobj - --codeview | FileCheck %s
; C++ source used to generate IR:
; $ cat t.cpp
; struct A {
; virtual int f();
; };
; struct B {
; virtual int g() = 0;
; };
; struct C : A, B {
; int c = 42;
; virtual int g();
; };
; int C::g() { return c; }
; struct D : virtual B {
; int d = 13;
; virtual int g();
; };
; int D::g() { return d; }
; $ clang t.cpp -S -emit-llvm -fstandalone-debug -g -gcodeview -o t.ll
; A::f
; CHECK: MemberFunction ({{.*}}) {
; CHECK-NEXT: TypeLeafKind: LF_MFUNCTION (0x1009)
; CHECK-NEXT: ReturnType: int (0x74)
; CHECK-NEXT: ClassType: A ({{.*}})
; CHECK-NEXT: ThisType: A* const ({{.*}})
; CHECK-NEXT: CallingConvention: NearC (0x0)
; CHECK-NEXT: FunctionOptions [ (0x0)
; CHECK-NEXT: ]
; CHECK-NEXT: NumParameters: 0
; CHECK-NEXT: ArgListType: () ({{.*}})
; CHECK-NEXT: ThisAdjustment: 0
; CHECK-NEXT: }
; A::g
; CHECK: MemberFunction ({{.*}}) {
; CHECK-NEXT: TypeLeafKind: LF_MFUNCTION (0x1009)
; CHECK-NEXT: ReturnType: int (0x74)
; CHECK-NEXT: ClassType: B ({{.*}})
; CHECK-NEXT: ThisType: B* const ({{.*}})
; CHECK-NEXT: CallingConvention: NearC (0x0)
; CHECK-NEXT: FunctionOptions [ (0x0)
; CHECK-NEXT: ]
; CHECK-NEXT: NumParameters: 0
; CHECK-NEXT: ArgListType: () ({{.*}})
; CHECK-NEXT: ThisAdjustment: 0
; CHECK-NEXT: }
; C::g
; CHECK: MemberFunction ([[C_g:.*]]) {
; CHECK-NEXT: TypeLeafKind: LF_MFUNCTION (0x1009)
; CHECK-NEXT: ReturnType: int (0x74)
; CHECK-NEXT: ClassType: C ({{.*}})
; CHECK-NEXT: ThisType: C* const ({{.*}})
; CHECK-NEXT: CallingConvention: NearC (0x0)
; CHECK-NEXT: FunctionOptions [ (0x0)
; CHECK-NEXT: ]
; CHECK-NEXT: NumParameters: 0
; CHECK-NEXT: ArgListType: () ({{.*}})
; CHECK-NEXT: ThisAdjustment: 8
; CHECK-NEXT: }
; CHECK: FieldList ({{.*}}) {
; CHECK: OneMethod {
; CHECK-NEXT: TypeLeafKind: LF_ONEMETHOD (0x1511)
; CHECK-NEXT: AccessSpecifier: Public (0x3)
; CHECK-NEXT: MethodKind: Virtual (0x1)
; CHECK-NEXT: Type: int C::() ([[C_g]])
; CHECK-NEXT: Name: g
; CHECK-NEXT: }
; CHECK-NEXT: }
; D::g
; CHECK: MemberFunction ([[D_g:.*]]) {
; CHECK-NEXT: TypeLeafKind: LF_MFUNCTION (0x1009)
; CHECK-NEXT: ReturnType: int (0x74)
; CHECK-NEXT: ClassType: D ({{.*}})
; CHECK-NEXT: ThisType: D* const ({{.*}})
; CHECK-NEXT: CallingConvention: NearC (0x0)
; CHECK-NEXT: FunctionOptions [ (0x0)
; CHECK-NEXT: ]
; CHECK-NEXT: NumParameters: 0
; CHECK-NEXT: ArgListType: () ({{.*}})
; CHECK-NEXT: ThisAdjustment: 16
; CHECK-NEXT: }
; CHECK: FieldList ({{.*}}) {
; CHECK: OneMethod {
; CHECK-NEXT: TypeLeafKind: LF_ONEMETHOD (0x1511)
; CHECK-NEXT: AccessSpecifier: Public (0x3)
; CHECK-NEXT: MethodKind: Virtual (0x1)
; CHECK-NEXT: Type: int D::() ([[D_g]])
; CHECK-NEXT: Name: g
; CHECK-NEXT: }
; CHECK-NEXT: }
; Need to skip constructor IDs...
; CHECK: MemberFuncId ({{.*}}) {
; CHECK: TypeLeafKind: LF_MFUNC_ID (0x1602)
; CHECK: ClassType: A
; CHECK: FunctionType: void A::()
; CHECK: Name: A
; CHECK: }
; CHECK: MemberFuncId ({{.*}}) {
; CHECK: TypeLeafKind: LF_MFUNC_ID (0x1602)
; CHECK: ClassType: B
; CHECK: FunctionType: void B::()
; CHECK: Name: B
; CHECK: }
; CHECK: MemberFuncId ({{.*}}) {
; CHECK: TypeLeafKind: LF_MFUNC_ID (0x1602)
; CHECK: ClassType: C
; CHECK: FunctionType: void C::()
; CHECK: Name: C
; CHECK: }
; CHECK: MemberFuncId ({{.*}}) {
; CHECK: TypeLeafKind: LF_MFUNC_ID (0x1602)
; CHECK: ClassType: D
; CHECK: FunctionType: void D::()
; CHECK: Name: D
; CHECK: }
; CHECK: MemberFuncId ({{.*}}) {
; CHECK-NEXT: TypeLeafKind: LF_MFUNC_ID (0x1602)
; CHECK-NEXT: ClassType: C ({{.*}})
; CHECK-NEXT: FunctionType: int C::() ([[C_g]])
; CHECK-NEXT: Name: g
; CHECK-NEXT: }
; CHECK: MemberFuncId ({{.*}}) {
; CHECK-NEXT: TypeLeafKind: LF_MFUNC_ID (0x1602)
; CHECK-NEXT: ClassType: D ({{.*}})
; CHECK-NEXT: FunctionType: int D::() ([[D_g]])
; CHECK-NEXT: Name: g
; CHECK-NEXT: }
; ModuleID = 't.cpp'
source_filename = "t.cpp"
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc19.0.23918"
%struct.A = type { i32 (...)** }
%struct.B = type { i32 (...)** }
%struct.C = type { %struct.A, %struct.B, i32 }
%struct.D = type { i32*, i32, %struct.B }
$"\01??0A@@QEAA@XZ" = comdat any
$"\01??0B@@QEAA@XZ" = comdat any
$"\01??0C@@QEAA@XZ" = comdat any
$"\01??0D@@QEAA@XZ" = comdat any
$"\01?g@C@@UEAAHXZ" = comdat any
$"\01?g@D@@UEAAHXZ" = comdat any
$"\01??_7A@@6B@" = comdat any
$"\01??_7B@@6B@" = comdat any
$"\01??_7C@@6BA@@@" = comdat any
$"\01??_7C@@6BB@@@" = comdat any
$"\01??_8D@@7B@" = comdat any
$"\01??_7D@@6B@" = comdat any
@"\01??_7A@@6B@" = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast (i32 (%struct.A*)* @"\01?f@A@@UEAAHXZ" to i8*)], comdat
@"\01??_7B@@6B@" = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast (i32 (%struct.B*)* @"\01?g@B@@UEAAHXZ" to i8*)], comdat
@"\01??_7C@@6BA@@@" = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast (i32 (%struct.A*)* @"\01?f@A@@UEAAHXZ" to i8*)], comdat
@"\01??_7C@@6BB@@@" = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast (i32 (i8*)* @"\01?g@C@@UEAAHXZ" to i8*)], comdat
@"\01??_8D@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 16], comdat
@"\01??_7D@@6B@" = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast (i32 (i8*)* @"\01?g@D@@UEAAHXZ" to i8*)], comdat
; Function Attrs: uwtable
define void @"\01?usetypes@@YAXXZ"() #0 !dbg !7 {
entry:
%a = alloca %struct.A, align 8
%b = alloca %struct.B, align 8
%c = alloca %struct.C, align 8
%d = alloca %struct.D, align 8
call void @llvm.dbg.declare(metadata %struct.A* %a, metadata !10, metadata !23), !dbg !24
%call = call %struct.A* @"\01??0A@@QEAA@XZ"(%struct.A* %a) #5, !dbg !24
call void @llvm.dbg.declare(metadata %struct.B* %b, metadata !25, metadata !23), !dbg !33
%call1 = call %struct.B* @"\01??0B@@QEAA@XZ"(%struct.B* %b) #5, !dbg !33
call void @llvm.dbg.declare(metadata %struct.C* %c, metadata !34, metadata !23), !dbg !44
%call2 = call %struct.C* @"\01??0C@@QEAA@XZ"(%struct.C* %c) #5, !dbg !44
call void @llvm.dbg.declare(metadata %struct.D* %d, metadata !45, metadata !23), !dbg !55
%call3 = call %struct.D* @"\01??0D@@QEAA@XZ"(%struct.D* %d, i32 1) #5, !dbg !55
%0 = bitcast %struct.C* %c to i8*, !dbg !56
%1 = getelementptr i8, i8* %0, i64 8, !dbg !56
%call4 = call i32 @"\01?g@C@@UEAAHXZ"(i8* %1), !dbg !56
ret void, !dbg !57
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: inlinehint nounwind uwtable
define linkonce_odr %struct.A* @"\01??0A@@QEAA@XZ"(%struct.A* returned %this) unnamed_addr #2 comdat align 2 !dbg !58 {
entry:
%this.addr = alloca %struct.A*, align 8
store %struct.A* %this, %struct.A** %this.addr, align 8
call void @llvm.dbg.declare(metadata %struct.A** %this.addr, metadata !62, metadata !23), !dbg !64
%this1 = load %struct.A*, %struct.A** %this.addr, align 8
%0 = bitcast %struct.A* %this1 to i32 (...)***, !dbg !65
store i32 (...)** bitcast ([1 x i8*]* @"\01??_7A@@6B@" to i32 (...)**), i32 (...)*** %0, align 8, !dbg !65
ret %struct.A* %this1, !dbg !65
}
; Function Attrs: inlinehint nounwind uwtable
define linkonce_odr %struct.B* @"\01??0B@@QEAA@XZ"(%struct.B* returned %this) unnamed_addr #2 comdat align 2 !dbg !66 {
entry:
%this.addr = alloca %struct.B*, align 8
store %struct.B* %this, %struct.B** %this.addr, align 8
call void @llvm.dbg.declare(metadata %struct.B** %this.addr, metadata !70, metadata !23), !dbg !72
%this1 = load %struct.B*, %struct.B** %this.addr, align 8
%0 = bitcast %struct.B* %this1 to i32 (...)***, !dbg !73
store i32 (...)** bitcast ([1 x i8*]* @"\01??_7B@@6B@" to i32 (...)**), i32 (...)*** %0, align 8, !dbg !73
ret %struct.B* %this1, !dbg !73
}
; Function Attrs: inlinehint nounwind uwtable
define linkonce_odr %struct.C* @"\01??0C@@QEAA@XZ"(%struct.C* returned %this) unnamed_addr #2 comdat align 2 !dbg !74 {
entry:
%this.addr = alloca %struct.C*, align 8
store %struct.C* %this, %struct.C** %this.addr, align 8
call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !78, metadata !23), !dbg !80
%this1 = load %struct.C*, %struct.C** %this.addr, align 8
%0 = bitcast %struct.C* %this1 to %struct.A*, !dbg !81
%call = call %struct.A* @"\01??0A@@QEAA@XZ"(%struct.A* %0) #5, !dbg !81
%1 = bitcast %struct.C* %this1 to i8*, !dbg !81
%2 = getelementptr inbounds i8, i8* %1, i64 8, !dbg !81
%3 = bitcast i8* %2 to %struct.B*, !dbg !81
%call2 = call %struct.B* @"\01??0B@@QEAA@XZ"(%struct.B* %3) #5, !dbg !81
%4 = bitcast %struct.C* %this1 to i32 (...)***, !dbg !81
store i32 (...)** bitcast ([1 x i8*]* @"\01??_7C@@6BA@@@" to i32 (...)**), i32 (...)*** %4, align 8, !dbg !81
%5 = bitcast %struct.C* %this1 to i8*, !dbg !81
%add.ptr = getelementptr inbounds i8, i8* %5, i64 8, !dbg !81
%6 = bitcast i8* %add.ptr to i32 (...)***, !dbg !81
store i32 (...)** bitcast ([1 x i8*]* @"\01??_7C@@6BB@@@" to i32 (...)**), i32 (...)*** %6, align 8, !dbg !81
%c = getelementptr inbounds %struct.C, %struct.C* %this1, i32 0, i32 2, !dbg !82
store i32 42, i32* %c, align 8, !dbg !82
ret %struct.C* %this1, !dbg !81
}
; Function Attrs: inlinehint nounwind uwtable
define linkonce_odr %struct.D* @"\01??0D@@QEAA@XZ"(%struct.D* returned %this, i32 %is_most_derived) unnamed_addr #2 comdat align 2 !dbg !83 {
entry:
%retval = alloca %struct.D*, align 8
%is_most_derived.addr = alloca i32, align 4
%this.addr = alloca %struct.D*, align 8
store i32 %is_most_derived, i32* %is_most_derived.addr, align 4
call void @llvm.dbg.declare(metadata i32* %is_most_derived.addr, metadata !87, metadata !23), !dbg !88
store %struct.D* %this, %struct.D** %this.addr, align 8
call void @llvm.dbg.declare(metadata %struct.D** %this.addr, metadata !89, metadata !23), !dbg !88
%this1 = load %struct.D*, %struct.D** %this.addr, align 8
store %struct.D* %this1, %struct.D** %retval, align 8
%is_most_derived2 = load i32, i32* %is_most_derived.addr, align 4
%is_complete_object = icmp ne i32 %is_most_derived2, 0, !dbg !91
br i1 %is_complete_object, label %ctor.init_vbases, label %ctor.skip_vbases, !dbg !91
ctor.init_vbases: ; preds = %entry
%this.int8 = bitcast %struct.D* %this1 to i8*, !dbg !91
%0 = getelementptr inbounds i8, i8* %this.int8, i64 0, !dbg !91
%vbptr.D = bitcast i8* %0 to i32**, !dbg !91
store i32* getelementptr inbounds ([2 x i32], [2 x i32]* @"\01??_8D@@7B@", i32 0, i32 0), i32** %vbptr.D, align 8, !dbg !91
%1 = bitcast %struct.D* %this1 to i8*, !dbg !91
%2 = getelementptr inbounds i8, i8* %1, i64 16, !dbg !91
%3 = bitcast i8* %2 to %struct.B*, !dbg !91
%call = call %struct.B* @"\01??0B@@QEAA@XZ"(%struct.B* %3) #5, !dbg !91
br label %ctor.skip_vbases, !dbg !91
ctor.skip_vbases: ; preds = %ctor.init_vbases, %entry
%4 = bitcast %struct.D* %this1 to i8*, !dbg !91
%vbptr = getelementptr inbounds i8, i8* %4, i64 0, !dbg !91
%5 = bitcast i8* %vbptr to i32**, !dbg !91
%vbtable = load i32*, i32** %5, align 8, !dbg !91
%6 = getelementptr inbounds i32, i32* %vbtable, i32 1, !dbg !91
%vbase_offs = load i32, i32* %6, align 4, !dbg !91
%7 = sext i32 %vbase_offs to i64, !dbg !91
%8 = add nsw i64 0, %7, !dbg !91
%9 = bitcast %struct.D* %this1 to i8*, !dbg !91
%add.ptr = getelementptr inbounds i8, i8* %9, i64 %8, !dbg !91
%10 = bitcast i8* %add.ptr to i32 (...)***, !dbg !91
store i32 (...)** bitcast ([1 x i8*]* @"\01??_7D@@6B@" to i32 (...)**), i32 (...)*** %10, align 8, !dbg !91
%d = getelementptr inbounds %struct.D, %struct.D* %this1, i32 0, i32 1, !dbg !92
store i32 13, i32* %d, align 8, !dbg !92
%11 = load %struct.D*, %struct.D** %retval, align 8, !dbg !91
ret %struct.D* %11, !dbg !91
}
; Function Attrs: nounwind uwtable
define linkonce_odr i32 @"\01?g@C@@UEAAHXZ"(i8*) unnamed_addr #3 comdat align 2 !dbg !93 {
entry:
%this.addr = alloca %struct.C*, align 8
%1 = getelementptr inbounds i8, i8* %0, i32 -8
%this = bitcast i8* %1 to %struct.C*
store %struct.C* %this, %struct.C** %this.addr, align 8
call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !94, metadata !23), !dbg !95
%this1 = load %struct.C*, %struct.C** %this.addr, align 8
%c = getelementptr inbounds %struct.C, %struct.C* %this1, i32 0, i32 2, !dbg !96
%2 = load i32, i32* %c, align 8, !dbg !96
ret i32 %2, !dbg !97
}
declare i32 @"\01?f@A@@UEAAHXZ"(%struct.A*) unnamed_addr #4
declare i32 @"\01?g@B@@UEAAHXZ"(%struct.B*) unnamed_addr #4
; Function Attrs: nounwind uwtable
define linkonce_odr i32 @"\01?g@D@@UEAAHXZ"(i8*) unnamed_addr #3 comdat align 2 !dbg !98 {
entry:
%this.addr = alloca %struct.D*, align 8
%1 = getelementptr inbounds i8, i8* %0, i32 -16
%this = bitcast i8* %1 to %struct.D*
store %struct.D* %this, %struct.D** %this.addr, align 8
call void @llvm.dbg.declare(metadata %struct.D** %this.addr, metadata !99, metadata !23), !dbg !100
%this1 = load %struct.D*, %struct.D** %this.addr, align 8
%d = getelementptr inbounds %struct.D, %struct.D* %this1, i32 0, i32 1, !dbg !101
%2 = load i32, i32* %d, align 8, !dbg !101
ret i32 %2, !dbg !102
}
attributes #0 = { uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
attributes #2 = { inlinehint nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #4 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #5 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}
!llvm.ident = !{!6}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
!2 = !{}
!3 = !{i32 2, !"CodeView", i32 1}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"PIC Level", i32 2}
!6 = !{!"clang version 3.9.0 "}
!7 = distinct !DISubprogram(name: "usetypes", linkageName: "\01?usetypes@@YAXXZ", scope: !1, file: !1, line: 15, type: !8, isLocal: false, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!8 = !DISubroutineType(types: !9)
!9 = !{null}
!10 = !DILocalVariable(name: "a", scope: !7, file: !1, line: 16, type: !11)
!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !1, line: 1, size: 64, align: 64, elements: !12, vtableHolder: !11, identifier: ".?AUA@@")
!12 = !{!13, !19}
!13 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", scope: !1, file: !1, baseType: !14, size: 64, flags: DIFlagArtificial)
!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64)
!15 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", baseType: !16, size: 64)
!16 = !DISubroutineType(types: !17)
!17 = !{!18}
!18 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!19 = !DISubprogram(name: "f", linkageName: "\01?f@A@@UEAAHXZ", scope: !11, file: !1, line: 2, type: !20, isLocal: false, isDefinition: false, scopeLine: 2, containingType: !11, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, flags: DIFlagPrototyped | DIFlagIntroducedVirtual, isOptimized: false)
!20 = !DISubroutineType(types: !21)
!21 = !{!18, !22}
!22 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
!23 = !DIExpression()
!24 = !DILocation(line: 16, column: 5, scope: !7)
!25 = !DILocalVariable(name: "b", scope: !7, file: !1, line: 17, type: !26)
!26 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "B", file: !1, line: 4, size: 64, align: 64, elements: !27, vtableHolder: !26, identifier: ".?AUB@@")
!27 = !{!28, !29}
!28 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$B", scope: !1, file: !1, baseType: !14, size: 64, flags: DIFlagArtificial)
!29 = !DISubprogram(name: "g", linkageName: "\01?g@B@@UEAAHXZ", scope: !26, file: !1, line: 5, type: !30, isLocal: false, isDefinition: false, scopeLine: 5, containingType: !26, virtuality: DW_VIRTUALITY_pure_virtual, virtualIndex: 0, flags: DIFlagPrototyped | DIFlagIntroducedVirtual, isOptimized: false)
!30 = !DISubroutineType(types: !31)
!31 = !{!18, !32}
!32 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !26, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
!33 = !DILocation(line: 17, column: 5, scope: !7)
!34 = !DILocalVariable(name: "c", scope: !7, file: !1, line: 18, type: !35)
!35 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C", file: !1, line: 7, size: 192, align: 64, elements: !36, vtableHolder: !11, identifier: ".?AUC@@")
!36 = !{!37, !38, !39, !40}
!37 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !35, baseType: !11)
!38 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !35, baseType: !26, offset: 64)
!39 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !35, file: !1, line: 8, baseType: !18, size: 32, align: 32, offset: 128)
!40 = !DISubprogram(name: "g", linkageName: "\01?g@C@@UEAAHXZ", scope: !35, file: !1, line: 9, type: !41, isLocal: false, isDefinition: false, scopeLine: 9, containingType: !35, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, thisAdjustment: 8, flags: DIFlagPrototyped, isOptimized: false)
!41 = !DISubroutineType(types: !42)
!42 = !{!18, !43}
!43 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !35, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
!44 = !DILocation(line: 18, column: 5, scope: !7)
!45 = !DILocalVariable(name: "d", scope: !7, file: !1, line: 19, type: !46)
!46 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "D", file: !1, line: 11, size: 192, align: 64, elements: !47, vtableHolder: !46, identifier: ".?AUD@@")
!47 = !{!48, !49, !50, !51}
!48 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !46, baseType: !26, offset: 4, flags: DIFlagVirtual)
!49 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$D", scope: !1, file: !1, baseType: !14, size: 64, flags: DIFlagArtificial)
!50 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !46, file: !1, line: 12, baseType: !18, size: 32, align: 32, offset: 64)
!51 = !DISubprogram(name: "g", linkageName: "\01?g@D@@UEAAHXZ", scope: !46, file: !1, line: 13, type: !52, isLocal: false, isDefinition: false, scopeLine: 13, containingType: !46, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, thisAdjustment: 16, flags: DIFlagPrototyped, isOptimized: false)
!52 = !DISubroutineType(types: !53)
!53 = !{!18, !54}
!54 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !46, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
!55 = !DILocation(line: 19, column: 5, scope: !7)
!56 = !DILocation(line: 20, column: 5, scope: !7)
!57 = !DILocation(line: 21, column: 1, scope: !7)
!58 = distinct !DISubprogram(name: "A", linkageName: "\01??0A@@QEAA@XZ", scope: !11, file: !1, line: 1, type: !59, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !61, retainedNodes: !2)
!59 = !DISubroutineType(types: !60)
!60 = !{null, !22}
!61 = !DISubprogram(name: "A", scope: !11, type: !59, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
!62 = !DILocalVariable(name: "this", arg: 1, scope: !58, type: !63, flags: DIFlagArtificial | DIFlagObjectPointer)
!63 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, align: 64)
!64 = !DILocation(line: 0, scope: !58)
!65 = !DILocation(line: 1, column: 8, scope: !58)
!66 = distinct !DISubprogram(name: "B", linkageName: "\01??0B@@QEAA@XZ", scope: !26, file: !1, line: 4, type: !67, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !69, retainedNodes: !2)
!67 = !DISubroutineType(types: !68)
!68 = !{null, !32}
!69 = !DISubprogram(name: "B", scope: !26, type: !67, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
!70 = !DILocalVariable(name: "this", arg: 1, scope: !66, type: !71, flags: DIFlagArtificial | DIFlagObjectPointer)
!71 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !26, size: 64, align: 64)
!72 = !DILocation(line: 0, scope: !66)
!73 = !DILocation(line: 4, column: 8, scope: !66)
!74 = distinct !DISubprogram(name: "C", linkageName: "\01??0C@@QEAA@XZ", scope: !35, file: !1, line: 7, type: !75, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !77, retainedNodes: !2)
!75 = !DISubroutineType(types: !76)
!76 = !{null, !43}
!77 = !DISubprogram(name: "C", scope: !35, type: !75, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
!78 = !DILocalVariable(name: "this", arg: 1, scope: !74, type: !79, flags: DIFlagArtificial | DIFlagObjectPointer)
!79 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !35, size: 64, align: 64)
!80 = !DILocation(line: 0, scope: !74)
!81 = !DILocation(line: 7, column: 8, scope: !74)
!82 = !DILocation(line: 8, column: 7, scope: !74)
!83 = distinct !DISubprogram(name: "D", linkageName: "\01??0D@@QEAA@XZ", scope: !46, file: !1, line: 11, type: !84, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !86, retainedNodes: !2)
!84 = !DISubroutineType(types: !85)
!85 = !{null, !54}
!86 = !DISubprogram(name: "D", scope: !46, type: !84, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
!87 = !DILocalVariable(name: "is_most_derived", arg: 2, scope: !83, type: !18, flags: DIFlagArtificial)
!88 = !DILocation(line: 0, scope: !83)
!89 = !DILocalVariable(name: "this", arg: 1, scope: !83, type: !90, flags: DIFlagArtificial | DIFlagObjectPointer)
!90 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !46, size: 64, align: 64)
!91 = !DILocation(line: 11, column: 8, scope: !83)
!92 = !DILocation(line: 12, column: 7, scope: !83)
!93 = distinct !DISubprogram(name: "g", linkageName: "\01?g@C@@UEAAHXZ", scope: !35, file: !1, line: 9, type: !41, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !40, retainedNodes: !2)
!94 = !DILocalVariable(name: "this", arg: 1, scope: !93, type: !79, flags: DIFlagArtificial | DIFlagObjectPointer)
!95 = !DILocation(line: 0, scope: !93)
!96 = !DILocation(line: 9, column: 28, scope: !93)
!97 = !DILocation(line: 9, column: 21, scope: !93)
!98 = distinct !DISubprogram(name: "g", linkageName: "\01?g@D@@UEAAHXZ", scope: !46, file: !1, line: 13, type: !52, isLocal: false, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !51, retainedNodes: !2)
!99 = !DILocalVariable(name: "this", arg: 1, scope: !98, type: !90, flags: DIFlagArtificial | DIFlagObjectPointer)
!100 = !DILocation(line: 0, scope: !98)
!101 = !DILocation(line: 13, column: 28, scope: !98)
!102 = !DILocation(line: 13, column: 21, scope: !98)
|