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