1; RUN: llc -split-dwarf-file=foo.dwo -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
2; RUN: llvm-dwarfdump -v -all %t | FileCheck %s --check-prefix=CHECK-DWO
3
4; Based on the debuginfo-tests/sret.cpp code.
5
6; CHECK-DWO: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x51ac5644b1937aa1)
7; CHECK-DWO: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x51ac5644b1937aa1)
8
9; RUN: llc -O0 -fast-isel=true -mtriple=x86_64-apple-darwin -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s
10; RUN: llc -O0 -fast-isel=false -mtriple=x86_64-apple-darwin -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s
11; CHECK: _ZN1B9AInstanceEv
12; CHECK: DW_TAG_variable
13; CHECK-NEXT:   DW_AT_location [DW_FORM_sec_offset] (0x00000000
14; CHECK-NEXT:     [{{.*}}, {{.*}}): DW_OP_breg5 RDI+0
15; CHECK-NEXT:     [{{.*}}, {{.*}}): DW_OP_breg6 RBP-24, DW_OP_deref)
16; CHECK-NEXT:   DW_AT_name {{.*}}"a"
17
18%class.A = type { i32 (...)**, i32 }
19%class.B = type { i8 }
20
21@_ZTV1A = linkonce_odr unnamed_addr constant [4 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast (void (%class.A*)* @_ZN1AD2Ev to i8*), i8* bitcast (void (%class.A*)* @_ZN1AD0Ev to i8*)]
22@_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
23@_ZTS1A = linkonce_odr constant [3 x i8] c"1A\00"
24@_ZTI1A = linkonce_odr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1A, i32 0, i32 0) }
25
26@_ZN1AC1Ei = alias void (%class.A*, i32), void (%class.A*, i32)* @_ZN1AC2Ei
27@_ZN1AC1ERKS_ = alias void (%class.A*, %class.A*), void (%class.A*, %class.A*)* @_ZN1AC2ERKS_
28
29; Function Attrs: nounwind uwtable
30define void @_ZN1AC2Ei(%class.A* %this, i32 %i) unnamed_addr #0 align 2 !dbg !49 {
31entry:
32  %this.addr = alloca %class.A*, align 8
33  %i.addr = alloca i32, align 4
34  store %class.A* %this, %class.A** %this.addr, align 8
35  call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !67, metadata !DIExpression()), !dbg !69
36  store i32 %i, i32* %i.addr, align 4
37  call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !70, metadata !DIExpression()), !dbg !71
38  %this1 = load %class.A*, %class.A** %this.addr
39  %0 = bitcast %class.A* %this1 to i8***, !dbg !72
40  store i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !72
41  %m_int = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 1, !dbg !72
42  %1 = load i32, i32* %i.addr, align 4, !dbg !72
43  store i32 %1, i32* %m_int, align 4, !dbg !72
44  ret void, !dbg !73
45}
46
47; Function Attrs: nounwind readnone
48declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
49
50; Function Attrs: nounwind uwtable
51define void @_ZN1AC2ERKS_(%class.A* %this, %class.A* %rhs) unnamed_addr #0 align 2 !dbg !50 {
52entry:
53  %this.addr = alloca %class.A*, align 8
54  %rhs.addr = alloca %class.A*, align 8
55  store %class.A* %this, %class.A** %this.addr, align 8
56  call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !74, metadata !DIExpression()), !dbg !75
57  store %class.A* %rhs, %class.A** %rhs.addr, align 8
58  call void @llvm.dbg.declare(metadata %class.A** %rhs.addr, metadata !76, metadata !DIExpression()), !dbg !77
59  %this1 = load %class.A*, %class.A** %this.addr
60  %0 = bitcast %class.A* %this1 to i8***, !dbg !78
61  store i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !78
62  %m_int = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 1, !dbg !78
63  %1 = load %class.A*, %class.A** %rhs.addr, align 8, !dbg !78
64  %m_int2 = getelementptr inbounds %class.A, %class.A* %1, i32 0, i32 1, !dbg !78
65  %2 = load i32, i32* %m_int2, align 4, !dbg !78
66  store i32 %2, i32* %m_int, align 4, !dbg !78
67  ret void, !dbg !79
68}
69
70; Function Attrs: nounwind uwtable
71define %class.A* @_ZN1AaSERKS_(%class.A* %this, %class.A* %rhs) #0 align 2 !dbg !51 {
72entry:
73  %this.addr = alloca %class.A*, align 8
74  %rhs.addr = alloca %class.A*, align 8
75  store %class.A* %this, %class.A** %this.addr, align 8
76  call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !80, metadata !DIExpression()), !dbg !81
77  store %class.A* %rhs, %class.A** %rhs.addr, align 8
78  call void @llvm.dbg.declare(metadata %class.A** %rhs.addr, metadata !82, metadata !DIExpression()), !dbg !83
79  %this1 = load %class.A*, %class.A** %this.addr
80  %0 = load %class.A*, %class.A** %rhs.addr, align 8, !dbg !84
81  %m_int = getelementptr inbounds %class.A, %class.A* %0, i32 0, i32 1, !dbg !84
82  %1 = load i32, i32* %m_int, align 4, !dbg !84
83  %m_int2 = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 1, !dbg !84
84  store i32 %1, i32* %m_int2, align 4, !dbg !84
85  ret %class.A* %this1, !dbg !85
86}
87
88; Function Attrs: nounwind uwtable
89define i32 @_ZN1A7get_intEv(%class.A* %this) #0 align 2 !dbg !52 {
90entry:
91  %this.addr = alloca %class.A*, align 8
92  store %class.A* %this, %class.A** %this.addr, align 8
93  call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !86, metadata !DIExpression()), !dbg !87
94  %this1 = load %class.A*, %class.A** %this.addr
95  %m_int = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 1, !dbg !88
96  %0 = load i32, i32* %m_int, align 4, !dbg !88
97  ret i32 %0, !dbg !88
98}
99
100; Function Attrs: uwtable
101define void @_ZN1B9AInstanceEv(%class.A* noalias sret %agg.result, %class.B* %this) #2 align 2 !dbg !53 {
102entry:
103  %this.addr = alloca %class.B*, align 8
104  %nrvo = alloca i1
105  %cleanup.dest.slot = alloca i32
106  store %class.B* %this, %class.B** %this.addr, align 8
107  call void @llvm.dbg.declare(metadata %class.B** %this.addr, metadata !89, metadata !DIExpression()), !dbg !91
108  %this1 = load %class.B*, %class.B** %this.addr
109  store i1 false, i1* %nrvo, !dbg !92
110  call void @llvm.dbg.declare(metadata %class.A* %agg.result, metadata !93, metadata !DIExpression()), !dbg !92
111  call void @_ZN1AC1Ei(%class.A* %agg.result, i32 12), !dbg !92
112  store i1 true, i1* %nrvo, !dbg !94
113  store i32 1, i32* %cleanup.dest.slot
114  %nrvo.val = load i1, i1* %nrvo, !dbg !95
115  br i1 %nrvo.val, label %nrvo.skipdtor, label %nrvo.unused, !dbg !95
116
117nrvo.unused:                                      ; preds = %entry
118  call void @_ZN1AD2Ev(%class.A* %agg.result), !dbg !96
119  br label %nrvo.skipdtor, !dbg !96
120
121nrvo.skipdtor:                                    ; preds = %nrvo.unused, %entry
122  ret void, !dbg !98
123}
124
125; Function Attrs: nounwind uwtable
126define linkonce_odr void @_ZN1AD2Ev(%class.A* %this) unnamed_addr #0 align 2 !dbg !63 {
127entry:
128  %this.addr = alloca %class.A*, align 8
129  store %class.A* %this, %class.A** %this.addr, align 8
130  call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !101, metadata !DIExpression()), !dbg !102
131  %this1 = load %class.A*, %class.A** %this.addr
132  ret void, !dbg !103
133}
134
135; Function Attrs: uwtable
136define i32 @main(i32 %argc, i8** %argv) #2 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !54 {
137entry:
138  %retval = alloca i32, align 4
139  %argc.addr = alloca i32, align 4
140  %argv.addr = alloca i8**, align 8
141  %b = alloca %class.B, align 1
142  %return_val = alloca i32, align 4
143  %temp.lvalue = alloca %class.A, align 8
144  %exn.slot = alloca i8*
145  %ehselector.slot = alloca i32
146  %a = alloca %class.A, align 8
147  %cleanup.dest.slot = alloca i32
148  store i32 0, i32* %retval
149  store i32 %argc, i32* %argc.addr, align 4
150  call void @llvm.dbg.declare(metadata i32* %argc.addr, metadata !104, metadata !DIExpression()), !dbg !105
151  store i8** %argv, i8*** %argv.addr, align 8
152  call void @llvm.dbg.declare(metadata i8*** %argv.addr, metadata !106, metadata !DIExpression()), !dbg !105
153  call void @llvm.dbg.declare(metadata %class.B* %b, metadata !107, metadata !DIExpression()), !dbg !108
154  call void @_ZN1BC2Ev(%class.B* %b), !dbg !108
155  call void @llvm.dbg.declare(metadata i32* %return_val, metadata !109, metadata !DIExpression()), !dbg !110
156  call void @_ZN1B9AInstanceEv(%class.A* sret %temp.lvalue, %class.B* %b), !dbg !110
157  %call = invoke i32 @_ZN1A7get_intEv(%class.A* %temp.lvalue)
158          to label %invoke.cont unwind label %lpad, !dbg !110
159
160invoke.cont:                                      ; preds = %entry
161  call void @_ZN1AD2Ev(%class.A* %temp.lvalue), !dbg !111
162  store i32 %call, i32* %return_val, align 4, !dbg !111
163  call void @llvm.dbg.declare(metadata %class.A* %a, metadata !113, metadata !DIExpression()), !dbg !114
164  call void @_ZN1B9AInstanceEv(%class.A* sret %a, %class.B* %b), !dbg !114
165  %0 = load i32, i32* %return_val, align 4, !dbg !115
166  store i32 %0, i32* %retval, !dbg !115
167  store i32 1, i32* %cleanup.dest.slot
168  call void @_ZN1AD2Ev(%class.A* %a), !dbg !116
169  %1 = load i32, i32* %retval, !dbg !116
170  ret i32 %1, !dbg !116
171
172lpad:                                             ; preds = %entry
173  %2 = landingpad { i8*, i32 }
174          cleanup, !dbg !116
175  %3 = extractvalue { i8*, i32 } %2, 0, !dbg !116
176  store i8* %3, i8** %exn.slot, !dbg !116
177  %4 = extractvalue { i8*, i32 } %2, 1, !dbg !116
178  store i32 %4, i32* %ehselector.slot, !dbg !116
179  invoke void @_ZN1AD2Ev(%class.A* %temp.lvalue)
180          to label %invoke.cont1 unwind label %terminate.lpad, !dbg !116
181
182invoke.cont1:                                     ; preds = %lpad
183  br label %eh.resume, !dbg !117
184
185eh.resume:                                        ; preds = %invoke.cont1
186  %exn = load i8*, i8** %exn.slot, !dbg !119
187  %sel = load i32, i32* %ehselector.slot, !dbg !119
188  %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0, !dbg !119
189  %lpad.val2 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1, !dbg !119
190  resume { i8*, i32 } %lpad.val2, !dbg !119
191
192terminate.lpad:                                   ; preds = %lpad
193  %5 = landingpad { i8*, i32 }
194          catch i8* null, !dbg !121
195  %6 = extractvalue { i8*, i32 } %5, 0, !dbg !121
196  call void @__clang_call_terminate(i8* %6) #5, !dbg !121
197  unreachable, !dbg !121
198}
199
200; Function Attrs: nounwind uwtable
201define linkonce_odr void @_ZN1BC2Ev(%class.B* %this) unnamed_addr #0 align 2 !dbg !62 {
202entry:
203  %this.addr = alloca %class.B*, align 8
204  store %class.B* %this, %class.B** %this.addr, align 8
205  call void @llvm.dbg.declare(metadata %class.B** %this.addr, metadata !123, metadata !DIExpression()), !dbg !124
206  %this1 = load %class.B*, %class.B** %this.addr
207  ret void, !dbg !125
208}
209
210declare i32 @__gxx_personality_v0(...)
211
212; Function Attrs: noinline noreturn nounwind
213define linkonce_odr hidden void @__clang_call_terminate(i8*) #3 {
214  %2 = call i8* @__cxa_begin_catch(i8* %0) #6
215  call void @_ZSt9terminatev() #5
216  unreachable
217}
218
219declare i8* @__cxa_begin_catch(i8*)
220
221declare void @_ZSt9terminatev()
222
223; Function Attrs: uwtable
224define linkonce_odr void @_ZN1AD0Ev(%class.A* %this) unnamed_addr #2 align 2 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !61 {
225entry:
226  %this.addr = alloca %class.A*, align 8
227  %exn.slot = alloca i8*
228  %ehselector.slot = alloca i32
229  store %class.A* %this, %class.A** %this.addr, align 8
230  call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !126, metadata !DIExpression()), !dbg !127
231  %this1 = load %class.A*, %class.A** %this.addr
232  invoke void @_ZN1AD2Ev(%class.A* %this1)
233          to label %invoke.cont unwind label %lpad, !dbg !128
234
235invoke.cont:                                      ; preds = %entry
236  %0 = bitcast %class.A* %this1 to i8*, !dbg !129
237  call void @_ZdlPv(i8* %0) #7, !dbg !129
238  ret void, !dbg !129
239
240lpad:                                             ; preds = %entry
241  %1 = landingpad { i8*, i32 }
242          cleanup, !dbg !131
243  %2 = extractvalue { i8*, i32 } %1, 0, !dbg !131
244  store i8* %2, i8** %exn.slot, !dbg !131
245  %3 = extractvalue { i8*, i32 } %1, 1, !dbg !131
246  store i32 %3, i32* %ehselector.slot, !dbg !131
247  %4 = bitcast %class.A* %this1 to i8*, !dbg !131
248  call void @_ZdlPv(i8* %4) #7, !dbg !131
249  br label %eh.resume, !dbg !131
250
251eh.resume:                                        ; preds = %lpad
252  %exn = load i8*, i8** %exn.slot, !dbg !133
253  %sel = load i32, i32* %ehselector.slot, !dbg !133
254  %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0, !dbg !133
255  %lpad.val2 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1, !dbg !133
256  resume { i8*, i32 } %lpad.val2, !dbg !133
257}
258
259; Function Attrs: nobuiltin nounwind
260declare void @_ZdlPv(i8*) #4
261
262attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
263attributes #1 = { nounwind readnone }
264attributes #2 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
265attributes #3 = { noinline noreturn nounwind }
266attributes #4 = { nobuiltin nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
267attributes #5 = { noreturn nounwind }
268attributes #6 = { nounwind }
269attributes #7 = { builtin nounwind }
270
271!llvm.dbg.cu = !{!0}
272!llvm.module.flags = !{!64, !65}
273!llvm.ident = !{!66}
274
275!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 203283) (llvm/trunk 203307)", isOptimized: false, splitDebugFilename: "sret.dwo", emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
276!1 = !DIFile(filename: "sret.cpp", directory: "/usr/local/google/home/echristo/tmp")
277!2 = !{}
278!3 = !{!4, !37}
279!4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, size: 128, align: 64, file: !1, elements: !5, vtableHolder: !4, identifier: "_ZTS1A")
280!5 = !{!6, !13, !14, !19, !25, !29, !33}
281!6 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", size: 64, flags: DIFlagArtificial, file: !1, scope: !7, baseType: !8)
282!7 = !DIFile(filename: "sret.cpp", directory: "/usr/local/google/home/echristo/tmp")
283!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !9)
284!9 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", size: 64, baseType: !10)
285!10 = !DISubroutineType(types: !11)
286!11 = !{!12}
287!12 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
288!13 = !DIDerivedType(tag: DW_TAG_member, name: "m_int", line: 13, size: 32, align: 32, offset: 64, flags: DIFlagProtected, file: !1, scope: !4, baseType: !12)
289!14 = !DISubprogram(name: "A", line: 4, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !1, scope: !4, type: !15)
290!15 = !DISubroutineType(types: !16)
291!16 = !{null, !17, !12}
292!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
293!19 = !DISubprogram(name: "A", line: 5, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !1, scope: !4, type: !20)
294!20 = !DISubroutineType(types: !21)
295!21 = !{null, !17, !22}
296!22 = !DIDerivedType(tag: DW_TAG_reference_type, size: 64, align: 64, baseType: !23)
297!23 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !4)
298!25 = !DISubprogram(name: "operator=", linkageName: "_ZN1AaSERKS_", line: 7, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !4, type: !26)
299!26 = !DISubroutineType(types: !27)
300!27 = !{!22, !17, !22}
301!29 = !DISubprogram(name: "~A", line: 8, isLocal: false, isDefinition: false, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 8, file: !1, scope: !4, type: !30, containingType: !4)
302!30 = !DISubroutineType(types: !31)
303!31 = !{null, !17}
304!33 = !DISubprogram(name: "get_int", linkageName: "_ZN1A7get_intEv", line: 10, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 10, file: !1, scope: !4, type: !34)
305!34 = !DISubroutineType(types: !35)
306!35 = !{!12, !17}
307!37 = !DICompositeType(tag: DW_TAG_class_type, name: "B", line: 38, size: 8, align: 8, file: !1, elements: !38, identifier: "_ZTS1B")
308!38 = !{!39, !44}
309!39 = !DISubprogram(name: "B", line: 41, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 41, file: !1, scope: !37, type: !40)
310!40 = !DISubroutineType(types: !41)
311!41 = !{null, !42}
312!42 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !37)
313!44 = !DISubprogram(name: "AInstance", linkageName: "_ZN1B9AInstanceEv", line: 43, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 43, file: !1, scope: !37, type: !45)
314!45 = !DISubroutineType(types: !46)
315!46 = !{!4, !42}
316!49 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC2Ei", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 18, file: !1, scope: !4, type: !15, declaration: !14, retainedNodes: !2)
317!50 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC2ERKS_", line: 21, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 23, file: !1, scope: !4, type: !20, declaration: !19, retainedNodes: !2)
318!51 = distinct !DISubprogram(name: "operator=", linkageName: "_ZN1AaSERKS_", line: 27, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 28, file: !1, scope: !4, type: !26, declaration: !25, retainedNodes: !2)
319!52 = distinct !DISubprogram(name: "get_int", linkageName: "_ZN1A7get_intEv", line: 33, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 34, file: !1, scope: !4, type: !34, declaration: !33, retainedNodes: !2)
320!53 = distinct !DISubprogram(name: "AInstance", linkageName: "_ZN1B9AInstanceEv", line: 47, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 48, file: !1, scope: !37, type: !45, declaration: !44, retainedNodes: !2)
321!54 = distinct !DISubprogram(name: "main", line: 53, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 54, file: !1, scope: !7, type: !55, retainedNodes: !2)
322!55 = !DISubroutineType(types: !56)
323!56 = !{!12, !12, !57}
324!57 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !58)
325!58 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !59)
326!59 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !60)
327!60 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
328!61 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD0Ev", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 8, file: !1, scope: !4, type: !30, declaration: !29, retainedNodes: !2)
329!62 = distinct !DISubprogram(name: "B", linkageName: "_ZN1BC2Ev", line: 41, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 41, file: !1, scope: !37, type: !40, declaration: !39, retainedNodes: !2)
330!63 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD2Ev", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 8, file: !1, scope: !4, type: !30, declaration: !29, retainedNodes: !2)
331!64 = !{i32 2, !"Dwarf Version", i32 4}
332!65 = !{i32 1, !"Debug Info Version", i32 3}
333!66 = !{!"clang version 3.5.0 (trunk 203283) (llvm/trunk 203307)"}
334!67 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !49, type: !68)
335!68 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)
336!69 = !DILocation(line: 0, scope: !49)
337!70 = !DILocalVariable(name: "i", line: 16, arg: 2, scope: !49, file: !7, type: !12)
338!71 = !DILocation(line: 16, scope: !49)
339!72 = !DILocation(line: 18, scope: !49)
340!73 = !DILocation(line: 19, scope: !49)
341!74 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !50, type: !68)
342!75 = !DILocation(line: 0, scope: !50)
343!76 = !DILocalVariable(name: "rhs", line: 21, arg: 2, scope: !50, file: !7, type: !22)
344!77 = !DILocation(line: 21, scope: !50)
345!78 = !DILocation(line: 23, scope: !50)
346!79 = !DILocation(line: 24, scope: !50)
347!80 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !51, type: !68)
348!81 = !DILocation(line: 0, scope: !51)
349!82 = !DILocalVariable(name: "rhs", line: 27, arg: 2, scope: !51, file: !7, type: !22)
350!83 = !DILocation(line: 27, scope: !51)
351!84 = !DILocation(line: 29, scope: !51)
352!85 = !DILocation(line: 30, scope: !51)
353!86 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !52, type: !68)
354!87 = !DILocation(line: 0, scope: !52)
355!88 = !DILocation(line: 35, scope: !52)
356!89 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !53, type: !90)
357!90 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !37)
358!91 = !DILocation(line: 0, scope: !53)
359!92 = !DILocation(line: 49, scope: !53)
360!93 = !DILocalVariable(name: "a", line: 49, scope: !53, file: !7, type: !4)
361!94 = !DILocation(line: 50, scope: !53)
362!95 = !DILocation(line: 51, scope: !53)
363!96 = !DILocation(line: 51, scope: !97)
364!97 = distinct !DILexicalBlock(line: 51, column: 0, file: !1, scope: !53)
365!98 = !DILocation(line: 51, scope: !99)
366!99 = distinct !DILexicalBlock(line: 51, column: 0, file: !1, scope: !100)
367!100 = distinct !DILexicalBlock(line: 51, column: 0, file: !1, scope: !53)
368!101 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !63, type: !68)
369!102 = !DILocation(line: 0, scope: !63)
370!103 = !DILocation(line: 8, scope: !63)
371!104 = !DILocalVariable(name: "argc", line: 53, arg: 1, scope: !54, file: !7, type: !12)
372!105 = !DILocation(line: 53, scope: !54)
373!106 = !DILocalVariable(name: "argv", line: 53, arg: 2, scope: !54, file: !7, type: !57)
374!107 = !DILocalVariable(name: "b", line: 55, scope: !54, file: !7, type: !37)
375!108 = !DILocation(line: 55, scope: !54)
376!109 = !DILocalVariable(name: "return_val", line: 56, scope: !54, file: !7, type: !12)
377!110 = !DILocation(line: 56, scope: !54)
378!111 = !DILocation(line: 56, scope: !112)
379!112 = distinct !DILexicalBlock(line: 56, column: 0, file: !1, scope: !54)
380!113 = !DILocalVariable(name: "a", line: 58, scope: !54, file: !7, type: !4)
381!114 = !DILocation(line: 58, scope: !54)
382!115 = !DILocation(line: 59, scope: !54)
383!116 = !DILocation(line: 60, scope: !54)
384!117 = !DILocation(line: 60, scope: !118)
385!118 = distinct !DILexicalBlock(line: 60, column: 0, file: !1, scope: !54)
386!119 = !DILocation(line: 60, scope: !120)
387!120 = distinct !DILexicalBlock(line: 60, column: 0, file: !1, scope: !54)
388!121 = !DILocation(line: 60, scope: !122)
389!122 = distinct !DILexicalBlock(line: 60, column: 0, file: !1, scope: !54)
390!123 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !62, type: !90)
391!124 = !DILocation(line: 0, scope: !62)
392!125 = !DILocation(line: 41, scope: !62)
393!126 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !61, type: !68)
394!127 = !DILocation(line: 0, scope: !61)
395!128 = !DILocation(line: 8, scope: !61)
396!129 = !DILocation(line: 8, scope: !130)
397!130 = distinct !DILexicalBlock(line: 8, column: 0, file: !1, scope: !61)
398!131 = !DILocation(line: 8, scope: !132)
399!132 = distinct !DILexicalBlock(line: 8, column: 0, file: !1, scope: !61)
400!133 = !DILocation(line: 8, scope: !134)
401!134 = distinct !DILexicalBlock(line: 8, column: 0, file: !1, scope: !61)
402