1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t 4 ; RUN: llvm-dwarfdump %t | FileCheck %s 5 ; CHECK: debug_info contents 6 ; CHECK: [[NS1:0x[0-9a-f]*]]:{{ *}}DW_TAG_namespace 7 ; CHECK-NEXT: DW_AT_name{{.*}} = "A" 8 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F1:".*debug-info-namespace.cpp"]]) 9 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(5) 10 ; CHECK-NOT: NULL 11 ; CHECK: [[NS2:0x[0-9a-f]*]]:{{ *}}DW_TAG_namespace 12 ; CHECK-NEXT: DW_AT_name{{.*}} = "B" 13 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2:".*foo.cpp"]]) 14 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(1) 15 ; CHECK-NOT: NULL 16 ; CHECK: [[I:0x[0-9a-f]*]]:{{ *}}DW_TAG_variable 17 ; CHECK-NEXT: DW_AT_name{{.*}}= "i" 18 ; CHECK: [[VAR_FWD:0x[0-9a-f]*]]:{{ *}}DW_TAG_variable 19 ; CHECK-NEXT: DW_AT_name{{.*}}= "var_fwd" 20 ; CHECK-NOT: NULL 21 ; CHECK: [[FOO:0x[0-9a-f]*]]:{{ *}}DW_TAG_structure_type 22 ; CHECK-NEXT: DW_AT_name{{.*}}= "foo" 23 ; CHECK-NEXT: DW_AT_declaration 24 ; CHECK-NOT: NULL 25 ; CHECK: [[BAR:0x[0-9a-f]*]]:{{ *}}DW_TAG_structure_type 26 ; CHECK-NEXT: DW_AT_name{{.*}}= "bar" 27 ; CHECK: [[FUNC1:.*]]: DW_TAG_subprogram 28 ; CHECK-NOT: DW_TAG 29 ; CHECK: DW_AT_MIPS_linkage_name 30 ; CHECK-NOT: DW_TAG 31 ; CHECK: DW_AT_name{{.*}}= "f1" 32 ; CHECK: [[BAZ:0x[0-9a-f]*]]:{{.*}}DW_TAG_typedef 33 ; CHECK-NOT: DW_TAG 34 ; CHECK: DW_AT_name{{.*}}= "baz" 35 ; CHECK: [[VAR_DECL:0x[0-9a-f]*]]:{{.*}}DW_TAG_variable 36 ; CHECK-NOT: DW_TAG 37 ; CHECK: DW_AT_name{{.*}}= "var_decl" 38 ; CHECK-NOT: DW_TAG 39 ; CHECK: DW_AT_declaration 40 ; CHECK: [[FUNC_DECL:0x[0-9a-f]*]]:{{.*}}DW_TAG_subprogram 41 ; CHECK-NOT: DW_TAG 42 ; CHECK: DW_AT_name{{.*}}= "func_decl" 43 ; CHECK-NOT: DW_TAG 44 ; CHECK: DW_AT_declaration 45 ; CHECK: [[FUNC_FWD:0x[0-9a-f]*]]:{{.*}}DW_TAG_subprogram 46 ; CHECK-NOT: DW_TAG 47 ; CHECK: DW_AT_name{{.*}}= "func_fwd" 48 ; CHECK-NOT: DW_AT_declaration 49 ; CHECK: DW_TAG_subprogram 50 ; CHECK-NOT: DW_TAG 51 ; CHECK: DW_AT_MIPS_linkage_name 52 ; CHECK-NOT: DW_TAG 53 ; CHECK: DW_AT_name{{.*}}= "f1" 54 ; CHECK: NULL 55 56 ; CHECK-NOT: NULL 57 ; CHECK: DW_TAG_imported_module 58 ; This is a bug, it should be in F2 but it inherits the file from its 59 ; enclosing scope 60 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F1]]) 61 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(15) 62 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS2]]}) 63 ; CHECK: NULL 64 ; CHECK-NOT: NULL 65 66 ; CHECK: DW_TAG_imported_module 67 ; Same bug as above, this should be F2, not F1 68 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F1]]) 69 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(18) 70 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]}) 71 ; CHECK-NOT: NULL 72 73 ; CHECK: DW_TAG_subprogram 74 ; CHECK-NOT: DW_TAG 75 ; CHECK: DW_AT_MIPS_linkage_name 76 ; CHECK-NOT: DW_TAG 77 ; CHECK: DW_AT_name{{.*}}= "func" 78 ; CHECK-NOT: NULL 79 ; CHECK: DW_TAG_imported_module 80 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 81 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(26) 82 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]}) 83 ; CHECK-NOT: NULL 84 ; CHECK: DW_TAG_imported_declaration 85 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 86 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(27) 87 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FOO]]}) 88 ; CHECK-NOT: NULL 89 ; CHECK: DW_TAG_imported_declaration 90 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 91 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(28) 92 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[BAR]]}) 93 ; CHECK-NOT: NULL 94 ; CHECK: DW_TAG_imported_declaration 95 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 96 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(29) 97 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC1]]}) 98 ; CHECK-NOT: NULL 99 ; CHECK: DW_TAG_imported_declaration 100 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 101 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(30) 102 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[I]]}) 103 ; CHECK-NOT: NULL 104 ; CHECK: DW_TAG_imported_declaration 105 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 106 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(31) 107 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[BAZ]]}) 108 ; CHECK-NOT: NULL 109 ; CHECK: [[X:0x[0-9a-f]*]]:{{ *}}DW_TAG_imported_declaration 110 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 111 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(32) 112 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]}) 113 ; CHECK-NEXT: DW_AT_name{{.*}}"X" 114 ; CHECK-NOT: NULL 115 ; CHECK: DW_TAG_imported_declaration 116 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 117 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(33) 118 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[X]]}) 119 ; CHECK-NEXT: DW_AT_name{{.*}}"Y" 120 ; CHECK-NOT: NULL 121 ; CHECK: DW_TAG_imported_declaration 122 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 123 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(34) 124 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[VAR_DECL]]}) 125 ; CHECK: DW_TAG_imported_declaration 126 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 127 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(35) 128 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC_DECL]]}) 129 ; CHECK: DW_TAG_imported_declaration 130 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 131 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(36) 132 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[VAR_FWD]]}) 133 ; CHECK: DW_TAG_imported_declaration 134 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 135 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(37) 136 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC_FWD]]}) 137 138 ; CHECK: DW_TAG_lexical_block 139 ; CHECK-NOT: NULL 140 ; CHECK: DW_TAG_imported_module 141 ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]]) 142 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(23) 143 ; CHECK-NEXT: DW_AT_import{{.*}}=> 144 ; CHECK: NULL 145 ; CHECK: NULL 146 ; CHECK: NULL 147 148 ; IR generated from clang/test/CodeGenCXX/debug-info-namespace.cpp, file paths 149 ; changed to protect the guilty. The C++ source code is: 150 ; // RUN... 151 ; // RUN... 152 ; // RUN... 153 ; 154 ; namespace A { 155 ; #line 1 "foo.cpp" 156 ; namespace B { 157 ; extern int i; 158 ; int f1() { return 0; } 159 ; void f1(int) { } 160 ; struct foo; 161 ; struct bar { }; 162 ; typedef bar baz; 163 ; extern int var_decl; 164 ; void func_decl(void); 165 ; extern int var_fwd; 166 ; void func_fwd(void); 167 ; } 168 ; } 169 ; namespace A { 170 ; using namespace B; 171 ; } 172 ; 173 ; using namespace A; 174 ; namespace E = A; 175 ; int B::i = f1(); 176 ; int func(bool b) { 177 ; if (b) { 178 ; using namespace A::B; 179 ; return i; 180 ; } 181 ; using namespace A; 182 ; using B::foo; 183 ; using B::bar; 184 ; using B::f1; 185 ; using B::i; 186 ; using B::baz; 187 ; namespace X = A; 188 ; namespace Y = X; 189 ; using B::var_decl; 190 ; using B::func_decl; 191 ; using B::var_fwd; 192 ; using B::func_fwd; 193 ; return i + X::B::i + Y::B::i; 194 ; } 195 ; 196 ; namespace A { 197 ; using B::i; 198 ; namespace B { 199 ; int var_fwd = i; 200 ; } 201 ; } 202 ; void B::func_fwd() {} 203 204 @_ZN1A1B1iE = global i32 0, align 4 205 @_ZN1A1B7var_fwdE = global i32 0, align 4 206 @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_debug_info_namespace.cpp, i8* null }] 207 208 ; Function Attrs: nounwind ssp uwtable 209 define i32 @_ZN1A1B2f1Ev() #0 { 210 entry: 211 ret i32 0, !dbg !60 212 } 213 214 ; Function Attrs: nounwind ssp uwtable 215 define void @_ZN1A1B2f1Ei(i32) #0 { 216 entry: 217 %.addr = alloca i32, align 4 218 store i32 %0, i32* %.addr, align 4 219 call void @llvm.dbg.declare(metadata i32* %.addr, metadata !61, metadata !62), !dbg !63 220 ret void, !dbg !64 221 } 222 223 ; Function Attrs: nounwind readnone 224 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 225 226 define internal void @__cxx_global_var_init() section "__TEXT,__StaticInit,regular,pure_instructions" { 227 entry: 228 %call = call i32 @_ZN1A1B2f1Ev(), !dbg !65 229 store i32 %call, i32* @_ZN1A1B1iE, align 4, !dbg !65 230 ret void, !dbg !65 231 } 232 233 ; Function Attrs: nounwind ssp uwtable 234 define i32 @_Z4funcb(i1 zeroext %b) #0 { 235 entry: 236 %retval = alloca i32, align 4 237 %b.addr = alloca i8, align 1 238 %frombool = zext i1 %b to i8 239 store i8 %frombool, i8* %b.addr, align 1 240 call void @llvm.dbg.declare(metadata i8* %b.addr, metadata !66, metadata !62), !dbg !67 241 %0 = load i8, i8* %b.addr, align 1, !dbg !68 242 %tobool = trunc i8 %0 to i1, !dbg !68 243 br i1 %tobool, label %if.then, label %if.end, !dbg !68 244 245 if.then: ; preds = %entry 246 %1 = load i32, i32* @_ZN1A1B1iE, align 4, !dbg !69 247 store i32 %1, i32* %retval, !dbg !69 248 br label %return, !dbg !69 249 250 if.end: ; preds = %entry 251 %2 = load i32, i32* @_ZN1A1B1iE, align 4, !dbg !70 252 %3 = load i32, i32* @_ZN1A1B1iE, align 4, !dbg !70 253 %add = add nsw i32 %2, %3, !dbg !70 254 %4 = load i32, i32* @_ZN1A1B1iE, align 4, !dbg !70 255 %add1 = add nsw i32 %add, %4, !dbg !70 256 store i32 %add1, i32* %retval, !dbg !70 257 br label %return, !dbg !70 258 259 return: ; preds = %if.end, %if.then 260 %5 = load i32, i32* %retval, !dbg !71 261 ret i32 %5, !dbg !71 262 } 263 264 define internal void @__cxx_global_var_init1() section "__TEXT,__StaticInit,regular,pure_instructions" { 265 entry: 266 %0 = load i32, i32* @_ZN1A1B1iE, align 4, !dbg !72 267 store i32 %0, i32* @_ZN1A1B7var_fwdE, align 4, !dbg !72 268 ret void, !dbg !72 269 } 270 271 ; Function Attrs: nounwind ssp uwtable 272 define void @_ZN1A1B8func_fwdEv() #0 { 273 entry: 274 ret void, !dbg !73 275 } 276 277 define internal void @_GLOBAL__sub_I_debug_info_namespace.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" { 278 entry: 279 call void @__cxx_global_var_init(), !dbg !74 280 call void @__cxx_global_var_init1(), !dbg !74 281 ret void, !dbg !74 282 } 283 284 attributes #0 = { nounwind ssp 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" } 285 attributes #1 = { nounwind readnone } 286 287 !llvm.dbg.cu = !{!0} 288 !llvm.module.flags = !{!57, !58} 289 !llvm.ident = !{!59} 290 291 !0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !9, globals: !30, imports: !33) 292 !1 = !MDFile(filename: "debug-info-namespace.cpp", directory: "/tmp") 293 !2 = !{} 294 !3 = !{!4, !8} 295 !4 = !MDCompositeType(tag: DW_TAG_structure_type, name: "foo", line: 5, flags: DIFlagFwdDecl, file: !5, scope: !6, identifier: "_ZTSN1A1B3fooE") 296 !5 = !MDFile(filename: "foo.cpp", directory: "/tmp") 297 !6 = !MDNamespace(name: "B", line: 1, file: !5, scope: !7) 298 !7 = !MDNamespace(name: "A", line: 5, file: !1, scope: null) 299 !8 = !MDCompositeType(tag: DW_TAG_structure_type, name: "bar", line: 6, size: 8, align: 8, file: !5, scope: !6, elements: !2, identifier: "_ZTSN1A1B3barE") 300 !9 = !{!10, !14, !17, !21, !25, !26, !27} 301 !10 = !MDSubprogram(name: "f1", linkageName: "_ZN1A1B2f1Ev", line: 3, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !5, scope: !6, type: !11, function: i32 ()* @_ZN1A1B2f1Ev, variables: !2) 302 !11 = !MDSubroutineType(types: !12) 303 !12 = !{!13} 304 !13 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 305 !14 = !MDSubprogram(name: "f1", linkageName: "_ZN1A1B2f1Ei", line: 4, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !5, scope: !6, type: !15, function: void (i32)* @_ZN1A1B2f1Ei, variables: !2) 306 !15 = !MDSubroutineType(types: !16) 307 !16 = !{null, !13} 308 !17 = !MDSubprogram(name: "__cxx_global_var_init", line: 20, isLocal: true, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 20, file: !5, scope: !18, type: !19, function: void ()* @__cxx_global_var_init, variables: !2) 309 !18 = !MDFile(filename: "foo.cpp", directory: "/tmp") 310 !19 = !MDSubroutineType(types: !20) 311 !20 = !{null} 312 !21 = !MDSubprogram(name: "func", linkageName: "_Z4funcb", line: 21, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 21, file: !5, scope: !18, type: !22, function: i32 (i1)* @_Z4funcb, variables: !2) 313 !22 = !MDSubroutineType(types: !23) 314 !23 = !{!13, !24} 315 !24 = !MDBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean) 316 !25 = !MDSubprogram(name: "__cxx_global_var_init1", line: 44, isLocal: true, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 44, file: !5, scope: !18, type: !19, function: void ()* @__cxx_global_var_init1, variables: !2) 317 !26 = !MDSubprogram(name: "func_fwd", linkageName: "_ZN1A1B8func_fwdEv", line: 47, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 47, file: !5, scope: !6, type: !19, function: void ()* @_ZN1A1B8func_fwdEv, variables: !2) 318 !27 = !MDSubprogram(name: "", linkageName: "_GLOBAL__sub_I_debug_info_namespace.cpp", isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, file: !1, scope: !28, type: !29, function: void ()* @_GLOBAL__sub_I_debug_info_namespace.cpp, variables: !2) 319 !28 = !MDFile(filename: "debug-info-namespace.cpp", directory: "/tmp") 320 !29 = !MDSubroutineType(types: !2) 321 !30 = !{!31, !32} 322 !31 = !MDGlobalVariable(name: "i", linkageName: "_ZN1A1B1iE", line: 20, isLocal: false, isDefinition: true, scope: !6, file: !18, type: !13, variable: i32* @_ZN1A1B1iE) 323 !32 = !MDGlobalVariable(name: "var_fwd", linkageName: "_ZN1A1B7var_fwdE", line: 44, isLocal: false, isDefinition: true, scope: !6, file: !18, type: !13, variable: i32* @_ZN1A1B7var_fwdE) 324 !33 = !{!34, !35, !36, !37, !40, !41, !42, !43, !44, !45, !47, !48, !49, !51, !54, !55, !56} 325 !34 = !MDImportedEntity(tag: DW_TAG_imported_module, line: 15, scope: !7, entity: !6) 326 !35 = !MDImportedEntity(tag: DW_TAG_imported_module, line: 18, scope: !0, entity: !7) 327 !36 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 19, name: "E", scope: !0, entity: !7) 328 !37 = !MDImportedEntity(tag: DW_TAG_imported_module, line: 23, scope: !38, entity: !6) 329 !38 = distinct !MDLexicalBlock(line: 22, column: 10, file: !5, scope: !39) 330 !39 = distinct !MDLexicalBlock(line: 22, column: 7, file: !5, scope: !21) 331 !40 = !MDImportedEntity(tag: DW_TAG_imported_module, line: 26, scope: !21, entity: !7) 332 !41 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 27, scope: !21, entity: !"_ZTSN1A1B3fooE") 333 !42 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 28, scope: !21, entity: !"_ZTSN1A1B3barE") 334 !43 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 29, scope: !21, entity: !14) 335 !44 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 30, scope: !21, entity: !31) 336 !45 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 31, scope: !21, entity: !46) 337 !46 = !MDDerivedType(tag: DW_TAG_typedef, name: "baz", line: 7, file: !5, scope: !6, baseType: !"_ZTSN1A1B3barE") 338 !47 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 32, name: "X", scope: !21, entity: !7) 339 !48 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 33, name: "Y", scope: !21, entity: !47) 340 !49 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 34, scope: !21, entity: !50) 341 !50 = !MDGlobalVariable(name: "var_decl", linkageName: "_ZN1A1B8var_declE", line: 8, isLocal: false, isDefinition: false, scope: !6, file: !18, type: !13) 342 !51 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 35, scope: !21, entity: !52) 343 !52 = !MDSubprogram(name: "func_decl", linkageName: "_ZN1A1B9func_declEv", line: 9, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: false, file: !5, scope: !6, type: !19, variables: !53) 344 !53 = !{} ; previously: invalid DW_TAG_base_type 345 !54 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 36, scope: !21, entity: !32) 346 !55 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 37, scope: !21, entity: !26) 347 !56 = !MDImportedEntity(tag: DW_TAG_imported_declaration, line: 42, scope: !7, entity: !31) 348 !57 = !{i32 2, !"Dwarf Version", i32 2} 349 !58 = !{i32 2, !"Debug Info Version", i32 3} 350 !59 = !{!"clang version 3.6.0 "} 351 !60 = !MDLocation(line: 3, column: 12, scope: !10) 352 !61 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "", line: 4, arg: 1, scope: !14, file: !18, type: !13) 353 !62 = !MDExpression() 354 !63 = !MDLocation(line: 4, column: 12, scope: !14) 355 !64 = !MDLocation(line: 4, column: 16, scope: !14) 356 !65 = !MDLocation(line: 20, column: 12, scope: !17) 357 !66 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 21, arg: 1, scope: !21, file: !18, type: !24) 358 !67 = !MDLocation(line: 21, column: 15, scope: !21) 359 !68 = !MDLocation(line: 22, column: 7, scope: !21) 360 !69 = !MDLocation(line: 24, column: 5, scope: !38) 361 !70 = !MDLocation(line: 38, column: 3, scope: !21) 362 !71 = !MDLocation(line: 39, column: 1, scope: !21) 363 !72 = !MDLocation(line: 44, column: 15, scope: !25) 364 !73 = !MDLocation(line: 47, column: 21, scope: !26) 365 !74 = !MDLocation(line: 0, scope: !75) 366 !75 = !MDLexicalBlockFile(discriminator: 0, file: !5, scope: !27) 367