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 209define i32 @_ZN1A1B2f1Ev() #0 { 210entry: 211 ret i32 0, !dbg !60 212} 213 214; Function Attrs: nounwind ssp uwtable 215define void @_ZN1A1B2f1Ei(i32) #0 { 216entry: 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 224declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 225 226define internal void @__cxx_global_var_init() section "__TEXT,__StaticInit,regular,pure_instructions" { 227entry: 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 234define i32 @_Z4funcb(i1 zeroext %b) #0 { 235entry: 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 245if.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 250if.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 259return: ; preds = %if.end, %if.then 260 %5 = load i32, i32* %retval, !dbg !71 261 ret i32 %5, !dbg !71 262} 263 264define internal void @__cxx_global_var_init1() section "__TEXT,__StaticInit,regular,pure_instructions" { 265entry: 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 272define void @_ZN1A1B8func_fwdEv() #0 { 273entry: 274 ret void, !dbg !73 275} 276 277define internal void @_GLOBAL__sub_I_debug_info_namespace.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" { 278entry: 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 284attributes #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" } 285attributes #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