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