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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] (0x5b59949640ec1580)
7; CHECK: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x5b59949640ec1580)
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** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8]* @_ZTS1A, i32 0, i32 0) }
16
17@_ZN1AC1Ei = alias void (%class.A*, i32)* @_ZN1AC2Ei
18@_ZN1AC1ERKS_ = alias 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 {
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), !dbg !69
27  store i32 %i, i32* %i.addr, align 4
28  call void @llvm.dbg.declare(metadata !{i32* %i.addr}, metadata !70), !dbg !71
29  %this1 = load %class.A** %this.addr
30  %0 = bitcast %class.A* %this1 to i8***, !dbg !72
31  store i8** getelementptr inbounds ([4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !72
32  %m_int = getelementptr inbounds %class.A* %this1, i32 0, i32 1, !dbg !72
33  %1 = load 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) #1
40
41; Function Attrs: nounwind uwtable
42define void @_ZN1AC2ERKS_(%class.A* %this, %class.A* %rhs) unnamed_addr #0 align 2 {
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), !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), !dbg !77
50  %this1 = load %class.A** %this.addr
51  %0 = bitcast %class.A* %this1 to i8***, !dbg !78
52  store i8** getelementptr inbounds ([4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !78
53  %m_int = getelementptr inbounds %class.A* %this1, i32 0, i32 1, !dbg !78
54  %1 = load %class.A** %rhs.addr, align 8, !dbg !78
55  %m_int2 = getelementptr inbounds %class.A* %1, i32 0, i32 1, !dbg !78
56  %2 = load 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 {
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), !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), !dbg !83
70  %this1 = load %class.A** %this.addr
71  %0 = load %class.A** %rhs.addr, align 8, !dbg !84
72  %m_int = getelementptr inbounds %class.A* %0, i32 0, i32 1, !dbg !84
73  %1 = load i32* %m_int, align 4, !dbg !84
74  %m_int2 = getelementptr inbounds %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 {
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), !dbg !87
85  %this1 = load %class.A** %this.addr
86  %m_int = getelementptr inbounds %class.A* %this1, i32 0, i32 1, !dbg !88
87  %0 = load 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 {
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), !dbg !91
99  %this1 = load %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), !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* %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 {
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), !dbg !102
122  %this1 = load %class.A** %this.addr
123  ret void, !dbg !103
124}
125
126; Function Attrs: uwtable
127define i32 @main(i32 %argc, i8** %argv) #2 {
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), !dbg !105
142  store i8** %argv, i8*** %argv.addr, align 8
143  call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !106), !dbg !105
144  call void @llvm.dbg.declare(metadata !{%class.B* %b}, metadata !107), !dbg !108
145  call void @_ZN1BC2Ev(%class.B* %b), !dbg !108
146  call void @llvm.dbg.declare(metadata !{i32* %return_val}, metadata !109), !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), !dbg !114
155  call void @_ZN1B9AInstanceEv(%class.A* sret %a, %class.B* %b), !dbg !114
156  %0 = load 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* %retval, !dbg !116
161  ret i32 %1, !dbg !116
162
163lpad:                                             ; preds = %entry
164  %2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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** %exn.slot, !dbg !119
178  %sel = load 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 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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 {
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), !dbg !124
197  %this1 = load %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 {
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), !dbg !127
222  %this1 = load %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 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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** %exn.slot, !dbg !133
244  %sel = load 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 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 (trunk 203283) (llvm/trunk 203307)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !48, metadata !2, metadata !2, metadata !"sret.dwo", i32 1} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/sret.cpp] [DW_LANG_C_plus_plus]
267!1 = metadata !{metadata !"sret.cpp", metadata !"/usr/local/google/home/echristo/tmp"}
268!2 = metadata !{}
269!3 = metadata !{metadata !4, metadata !37}
270!4 = metadata !{i32 786434, metadata !1, null, metadata !"A", i32 1, i64 128, i64 64, i32 0, i32 0, null, metadata !5, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 1, size 128, align 64, offset 0] [def] [from ]
271!5 = metadata !{metadata !6, metadata !13, metadata !14, metadata !19, metadata !25, metadata !29, metadata !33}
272!6 = metadata !{i32 786445, metadata !1, metadata !7, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !8} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
273!7 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/tmp/sret.cpp]
274!8 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !9} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
275!9 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
276!10 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !11, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
277!11 = metadata !{metadata !12}
278!12 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
279!13 = metadata !{i32 786445, metadata !1, metadata !"_ZTS1A", metadata !"m_int", i32 13, i64 32, i64 32, i64 64, i32 2, metadata !12} ; [ DW_TAG_member ] [m_int] [line 13, size 32, align 32, offset 64] [protected] [from int]
280!14 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"", i32 4, metadata !15, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, null, i32 4} ; [ DW_TAG_subprogram ] [line 4] [A]
281!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
282!16 = metadata !{null, metadata !17, metadata !12}
283!17 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
284!19 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"", i32 5, metadata !20, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, null, i32 5} ; [ DW_TAG_subprogram ] [line 5] [A]
285!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
286!21 = metadata !{null, metadata !17, metadata !22}
287!22 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ]
288!23 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from _ZTS1A]
289!25 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"operator=", metadata !"operator=", metadata !"_ZN1AaSERKS_", i32 7, metadata !26, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, null, i32 7} ; [ DW_TAG_subprogram ] [line 7] [operator=]
290!26 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !27, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
291!27 = metadata !{metadata !22, metadata !17, metadata !22}
292!29 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"~A", metadata !"~A", metadata !"", i32 8, metadata !30, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, null, i32 8} ; [ DW_TAG_subprogram ] [line 8] [~A]
293!30 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !31, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
294!31 = metadata !{null, metadata !17}
295!33 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"get_int", metadata !"get_int", metadata !"_ZN1A7get_intEv", i32 10, metadata !34, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, null, i32 10} ; [ DW_TAG_subprogram ] [line 10] [get_int]
296!34 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !35, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
297!35 = metadata !{metadata !12, metadata !17}
298!37 = metadata !{i32 786434, metadata !1, null, metadata !"B", i32 38, i64 8, i64 8, i32 0, i32 0, null, metadata !38, i32 0, null, null, metadata !"_ZTS1B"} ; [ DW_TAG_class_type ] [B] [line 38, size 8, align 8, offset 0] [def] [from ]
299!38 = metadata !{metadata !39, metadata !44}
300!39 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1B", metadata !"B", metadata !"B", metadata !"", i32 41, metadata !40, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, null, i32 41} ; [ DW_TAG_subprogram ] [line 41] [B]
301!40 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !41, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
302!41 = metadata !{null, metadata !42}
303!42 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1B"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1B]
304!44 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1B", metadata !"AInstance", metadata !"AInstance", metadata !"_ZN1B9AInstanceEv", i32 43, metadata !45, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, null, i32 43} ; [ DW_TAG_subprogram ] [line 43] [AInstance]
305!45 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !46, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
306!46 = metadata !{metadata !4, metadata !42}
307!48 = metadata !{metadata !49, metadata !50, metadata !51, metadata !52, metadata !53, metadata !54, metadata !61, metadata !62, metadata !63}
308!49 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC2Ei", i32 16, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*, i32)* @_ZN1AC2Ei, null, metadata !14, metadata !2, i32 18} ; [ DW_TAG_subprogram ] [line 16] [def] [scope 18] [A]
309!50 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC2ERKS_", i32 21, metadata !20, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*, %class.A*)* @_ZN1AC2ERKS_, null, metadata !19, metadata !2, i32 23} ; [ DW_TAG_subprogram ] [line 21] [def] [scope 23] [A]
310!51 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"operator=", metadata !"operator=", metadata !"_ZN1AaSERKS_", i32 27, metadata !26, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, %class.A* (%class.A*, %class.A*)* @_ZN1AaSERKS_, null, metadata !25, metadata !2, i32 28} ; [ DW_TAG_subprogram ] [line 27] [def] [scope 28] [operator=]
311!52 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"get_int", metadata !"get_int", metadata !"_ZN1A7get_intEv", i32 33, metadata !34, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (%class.A*)* @_ZN1A7get_intEv, null, metadata !33, metadata !2, i32 34} ; [ DW_TAG_subprogram ] [line 33] [def] [scope 34] [get_int]
312!53 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1B", metadata !"AInstance", metadata !"AInstance", metadata !"_ZN1B9AInstanceEv", i32 47, metadata !45, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*, %class.B*)* @_ZN1B9AInstanceEv, null, metadata !44, metadata !2, i32 48} ; [ DW_TAG_subprogram ] [line 47] [def] [scope 48] [AInstance]
313!54 = metadata !{i32 786478, metadata !1, metadata !7, metadata !"main", metadata !"main", metadata !"", i32 53, metadata !55, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32, i8**)* @main, null, null, metadata !2, i32 54} ; [ DW_TAG_subprogram ] [line 53] [def] [scope 54] [main]
314!55 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !56, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
315!56 = metadata !{metadata !12, metadata !12, metadata !57}
316!57 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !58} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
317!58 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !59} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
318!59 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !60} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from char]
319!60 = metadata !{i32 786468, null, null, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ] [char] [line 0, size 8, align 8, offset 0, enc DW_ATE_signed_char]
320!61 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"~A", metadata !"~A", metadata !"_ZN1AD0Ev", i32 8, metadata !30, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1AD0Ev, null, metadata !29, metadata !2, i32 8} ; [ DW_TAG_subprogram ] [line 8] [def] [~A]
321!62 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1B", metadata !"B", metadata !"B", metadata !"_ZN1BC2Ev", i32 41, metadata !40, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.B*)* @_ZN1BC2Ev, null, metadata !39, metadata !2, i32 41} ; [ DW_TAG_subprogram ] [line 41] [def] [B]
322!63 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"~A", metadata !"~A", metadata !"_ZN1AD2Ev", i32 8, metadata !30, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1AD2Ev, null, metadata !29, metadata !2, i32 8} ; [ DW_TAG_subprogram ] [line 8] [def] [~A]
323!64 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
324!65 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
325!66 = metadata !{metadata !"clang version 3.5.0 (trunk 203283) (llvm/trunk 203307)"}
326!67 = metadata !{i32 786689, metadata !49, metadata !"this", null, i32 16777216, metadata !68, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
327!68 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
328!69 = metadata !{i32 0, i32 0, metadata !49, null}
329!70 = metadata !{i32 786689, metadata !49, metadata !"i", metadata !7, i32 33554448, metadata !12, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [i] [line 16]
330!71 = metadata !{i32 16, i32 0, metadata !49, null}
331!72 = metadata !{i32 18, i32 0, metadata !49, null}
332!73 = metadata !{i32 19, i32 0, metadata !49, null}
333!74 = metadata !{i32 786689, metadata !50, metadata !"this", null, i32 16777216, metadata !68, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
334!75 = metadata !{i32 0, i32 0, metadata !50, null}
335!76 = metadata !{i32 786689, metadata !50, metadata !"rhs", metadata !7, i32 33554453, metadata !22, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [rhs] [line 21]
336!77 = metadata !{i32 21, i32 0, metadata !50, null}
337!78 = metadata !{i32 23, i32 0, metadata !50, null}
338!79 = metadata !{i32 24, i32 0, metadata !50, null}
339!80 = metadata !{i32 786689, metadata !51, metadata !"this", null, i32 16777216, metadata !68, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
340!81 = metadata !{i32 0, i32 0, metadata !51, null}
341!82 = metadata !{i32 786689, metadata !51, metadata !"rhs", metadata !7, i32 33554459, metadata !22, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [rhs] [line 27]
342!83 = metadata !{i32 27, i32 0, metadata !51, null}
343!84 = metadata !{i32 29, i32 0, metadata !51, null}
344!85 = metadata !{i32 30, i32 0, metadata !51, null}
345!86 = metadata !{i32 786689, metadata !52, metadata !"this", null, i32 16777216, metadata !68, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
346!87 = metadata !{i32 0, i32 0, metadata !52, null}
347!88 = metadata !{i32 35, i32 0, metadata !52, null}
348!89 = metadata !{i32 786689, metadata !53, metadata !"this", null, i32 16777216, metadata !90, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
349!90 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1B"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1B]
350!91 = metadata !{i32 0, i32 0, metadata !53, null}
351!92 = metadata !{i32 49, i32 0, metadata !53, null}
352!93 = metadata !{i32 786688, metadata !53, metadata !"a", metadata !7, i32 49, metadata !4, i32 8192, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 49]
353!94 = metadata !{i32 50, i32 0, metadata !53, null}
354!95 = metadata !{i32 51, i32 0, metadata !53, null}
355!96 = metadata !{i32 51, i32 0, metadata !97, null}
356!97 = metadata !{i32 786443, metadata !1, metadata !53, i32 51, i32 0, i32 2, i32 5} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
357!98 = metadata !{i32 51, i32 0, metadata !99, null}
358!99 = metadata !{i32 786443, metadata !1, metadata !100, i32 51, i32 0, i32 3, i32 6} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
359!100 = metadata !{i32 786443, metadata !1, metadata !53, i32 51, i32 0, i32 1, i32 4} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
360!101 = metadata !{i32 786689, metadata !63, metadata !"this", null, i32 16777216, metadata !68, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
361!102 = metadata !{i32 0, i32 0, metadata !63, null}
362!103 = metadata !{i32 8, i32 0, metadata !63, null} ; [ DW_TAG_imported_declaration ]
363!104 = metadata !{i32 786689, metadata !54, metadata !"argc", metadata !7, i32 16777269, metadata !12, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [argc] [line 53]
364!105 = metadata !{i32 53, i32 0, metadata !54, null}
365!106 = metadata !{i32 786689, metadata !54, metadata !"argv", metadata !7, i32 33554485, metadata !57, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [argv] [line 53]
366!107 = metadata !{i32 786688, metadata !54, metadata !"b", metadata !7, i32 55, metadata !37, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [b] [line 55]
367!108 = metadata !{i32 55, i32 0, metadata !54, null}
368!109 = metadata !{i32 786688, metadata !54, metadata !"return_val", metadata !7, i32 56, metadata !12, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [return_val] [line 56]
369!110 = metadata !{i32 56, i32 0, metadata !54, null}
370!111 = metadata !{i32 56, i32 0, metadata !112, null}
371!112 = metadata !{i32 786443, metadata !1, metadata !54, i32 56, i32 0, i32 1, i32 7} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
372!113 = metadata !{i32 786688, metadata !54, metadata !"a", metadata !7, i32 58, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 58]
373!114 = metadata !{i32 58, i32 0, metadata !54, null} ; [ DW_TAG_imported_module ]
374!115 = metadata !{i32 59, i32 0, metadata !54, null}
375!116 = metadata !{i32 60, i32 0, metadata !54, null}
376!117 = metadata !{i32 60, i32 0, metadata !118, null}
377!118 = metadata !{i32 786443, metadata !1, metadata !54, i32 60, i32 0, i32 1, i32 8} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
378!119 = metadata !{i32 60, i32 0, metadata !120, null}
379!120 = metadata !{i32 786443, metadata !1, metadata !54, i32 60, i32 0, i32 3, i32 10} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
380!121 = metadata !{i32 60, i32 0, metadata !122, null}
381!122 = metadata !{i32 786443, metadata !1, metadata !54, i32 60, i32 0, i32 2, i32 9} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
382!123 = metadata !{i32 786689, metadata !62, metadata !"this", null, i32 16777216, metadata !90, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
383!124 = metadata !{i32 0, i32 0, metadata !62, null}
384!125 = metadata !{i32 41, i32 0, metadata !62, null}
385!126 = metadata !{i32 786689, metadata !61, metadata !"this", null, i32 16777216, metadata !68, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
386!127 = metadata !{i32 0, i32 0, metadata !61, null}
387!128 = metadata !{i32 8, i32 0, metadata !61, null} ; [ DW_TAG_imported_declaration ]
388!129 = metadata !{i32 8, i32 0, metadata !130, null} ; [ DW_TAG_imported_declaration ]
389!130 = metadata !{i32 786443, metadata !1, metadata !61, i32 8, i32 0, i32 1, i32 11} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
390!131 = metadata !{i32 8, i32 0, metadata !132, null} ; [ DW_TAG_imported_declaration ]
391!132 = metadata !{i32 786443, metadata !1, metadata !61, i32 8, i32 0, i32 2, i32 12} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
392!133 = metadata !{i32 8, i32 0, metadata !134, null} ; [ DW_TAG_imported_declaration ]
393!134 = metadata !{i32 786443, metadata !1, metadata !61, i32 8, i32 0, i32 3, i32 13} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/sret.cpp]
394