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