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