1 ; RUN: llc -mtriple=x86_64-pc-linux-gnu -generate-gnu-dwarf-pub-sections < %s | FileCheck -check-prefix=ASM %s 2 ; RUN: llc -mtriple=x86_64-pc-linux-gnu -generate-gnu-dwarf-pub-sections -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s 3 ; ModuleID = 'dwarf-public-names.cpp' 4 ; 5 ; Generated from: 6 ; 7 ; struct C { 8 ; void member_function(); 9 ; static int static_member_function(); 10 ; static int static_member_variable; 11 ; }; 12 ; 13 ; int C::static_member_variable = 0; 14 ; 15 ; void C::member_function() { 16 ; static_member_variable = 0; 17 ; } 18 ; 19 ; int C::static_member_function() { 20 ; return static_member_variable; 21 ; } 22 ; 23 ; C global_variable; 24 ; 25 ; int global_function() { 26 ; return -1; 27 ; } 28 ; 29 ; namespace ns { 30 ; void global_namespace_function() { 31 ; global_variable.member_function(); 32 ; } 33 ; int global_namespace_variable = 1; 34 ; extern int global_namespace_variable_decl; 35 ; struct D { 36 ; int A; 37 ; } d; 38 ; } 39 ; 40 ; using ns::global_namespace_variable_decl; 41 ; 42 ; namespace { 43 ; int i; 44 ; } 45 ; 46 ; int *f3() { 47 ; static int z; 48 ; return &z; 49 ; } 50 ; 51 ; namespace { 52 ; namespace inner { 53 ; int b; 54 ; } 55 ; } 56 ; 57 ; namespace outer { 58 ; namespace { 59 ; int c; 60 ; } 61 ; } 62 ; 63 ; int f7() { 64 ; return i + *f3() + inner::b + outer::c; 65 ; } 66 67 ; ASM: .section .debug_gnu_pubnames 68 ; ASM: .byte 32 # Kind: VARIABLE, EXTERNAL 69 ; ASM-NEXT: .asciz "global_variable" # External Name 70 71 ; ASM: .section .debug_gnu_pubtypes 72 ; ASM: .byte 16 # Kind: TYPE, EXTERNAL 73 ; ASM-NEXT: .asciz "C" # External Name 74 75 ; CHECK: .debug_info contents: 76 ; CHECK: Compile Unit: 77 ; CHECK: DW_AT_GNU_pubnames [DW_FORM_flag_present] (true) 78 ; CHECK-NOT: DW_AT_GNU_pubtypes [ 79 80 ; CHECK: [[STATIC_MEM_VAR:0x[0-9a-f]+]]: DW_TAG_variable 81 ; CHECK-NEXT: DW_AT_specification {{.*}} "static_member_variable" 82 83 ; CHECK: [[C:0x[0-9a-f]+]]: DW_TAG_structure_type 84 ; CHECK-NEXT: DW_AT_name {{.*}} "C" 85 86 ; CHECK: DW_TAG_member 87 ; CHECK-NEXT: DW_AT_name {{.*}} "static_member_variable" 88 89 ; CHECK: DW_TAG_subprogram 90 ; CHECK-NEXT: DW_AT_linkage_name 91 ; CHECK-NEXT: DW_AT_name {{.*}} "member_function" 92 93 ; CHECK: DW_TAG_subprogram 94 ; CHECK-NEXT: DW_AT_linkage_name 95 ; CHECK-NEXT: DW_AT_name {{.*}} "static_member_function" 96 97 ; CHECK: [[INT:0x[0-9a-f]+]]: DW_TAG_base_type 98 ; CHECK-NEXT: DW_AT_name {{.*}} "int" 99 100 ; CHECK: [[GLOB_VAR:0x[0-9a-f]+]]: DW_TAG_variable 101 ; CHECK-NEXT: DW_AT_name {{.*}} "global_variable" 102 103 ; CHECK: [[NS:0x[0-9a-f]+]]: DW_TAG_namespace 104 ; CHECK-NEXT: DW_AT_name {{.*}} "ns" 105 106 ; CHECK: [[GLOB_NS_VAR:0x[0-9a-f]+]]: DW_TAG_variable 107 ; CHECK-NEXT: DW_AT_name {{.*}} "global_namespace_variable" 108 ; CHECK-NOT: DW_AT_specification 109 ; CHECK: DW_AT_location 110 ; CHECK-NOT: DW_AT_specification 111 112 ; CHECK: [[D_VAR:0x[0-9a-f]+]]: DW_TAG_variable 113 ; CHECK-NEXT: DW_AT_name {{.*}} "d" 114 ; CHECK-NOT: DW_AT_specification 115 ; CHECK: DW_AT_location 116 ; CHECK-NOT: DW_AT_specification 117 118 ; CHECK: [[D:0x[0-9a-f]+]]: DW_TAG_structure_type 119 ; CHECK-NEXT: DW_AT_name {{.*}} "D" 120 121 ; CHECK: [[GLOB_NS_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram 122 ; CHECK-NOT: DW_TAG 123 ; CHECK: DW_AT_linkage_name 124 ; CHECK-NOT: DW_TAG 125 ; CHECK: DW_AT_name {{.*}} "global_namespace_function" 126 127 ; CHECK: DW_TAG_subprogram 128 ; CHECK-NOT: DW_TAG 129 ; CHECK: DW_AT_name {{.*}} "f3" 130 ; CHECK-NOT: {{DW_TAG|NULL}} 131 ; CHECK: [[F3_Z:.*]]: DW_TAG_variable 132 ; CHECK-NOT: DW_TAG 133 ; CHECK: DW_AT_name {{.*}} "z" 134 ; CHECK-NOT: {{DW_TAG|NULL}} 135 ; CHECK: DW_AT_location 136 ; CHECK-NOT: {{DW_TAG|NULL}} 137 ; CHECK: NULL 138 ; CHECK-NOT: {{DW_TAG|NULL}} 139 140 ; CHECK: [[ANON:.*]]: DW_TAG_namespace 141 ; CHECK-NOT: DW_AT_name 142 ; CHECK: [[ANON_I:.*]]: DW_TAG_variable 143 ; CHECK-NOT: DW_TAG 144 ; CHECK: DW_AT_name {{.*}} "i" 145 ; CHECK-NOT: {{DW_TAG|NULL}} 146 ; CHECK: [[ANON_INNER:.*]]: DW_TAG_namespace 147 ; CHECK-NOT: DW_TAG 148 ; CHECK: DW_AT_name {{.*}} "inner" 149 ; CHECK-NOT: {{DW_TAG|NULL}} 150 ; CHECK: [[ANON_INNER_B:.*]]: DW_TAG_variable 151 ; CHECK-NOT: DW_TAG 152 ; CHECK: DW_AT_name {{.*}} "b" 153 ; CHECK-NOT: {{DW_TAG|NULL}} 154 ; CHECK: NULL 155 ; CHECK-NOT: {{DW_TAG|NULL}} 156 ; CHECK: NULL 157 ; CHECK-NOT: {{DW_TAG|NULL}} 158 159 ; CHECK: [[OUTER:.*]]: DW_TAG_namespace 160 ; CHECK-NOT: DW_TAG 161 ; CHECK: DW_AT_name {{.*}} "outer" 162 ; CHECK-NOT: {{DW_TAG|NULL}} 163 ; CHECK: [[OUTER_ANON:.*]]: DW_TAG_namespace 164 ; CHECK-NOT: {{DW_TAG|NULL}} 165 ; CHECK-NOT: DW_AT_name 166 ; CHECK: [[OUTER_ANON_C:.*]]: DW_TAG_variable 167 ; CHECK-NOT: DW_TAG 168 ; CHECK: DW_AT_name {{.*}} "c" 169 ; CHECK-NOT: {{DW_TAG|NULL}} 170 ; CHECK: NULL 171 ; CHECK-NOT: {{DW_TAG|NULL}} 172 ; FIXME: We probably shouldn't bother describing the implicit 173 ; import of the preceding anonymous namespace. This should be fixed 174 ; in clang. 175 ; CHECK: DW_TAG_imported_module 176 ; CHECK-NOT: {{DW_TAG|NULL}} 177 ; CHECK: NULL 178 ; CHECK-NOT: {{DW_TAG|NULL}} 179 180 ; CHECK: DW_TAG_imported_declaration 181 ; CHECK-NOT: {{DW_TAG|NULL}} 182 183 ; CHECK: [[MEM_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram 184 ; CHECK-NOT: DW_TAG 185 ; CHECK: DW_AT_specification {{.*}} "_ZN1C15member_functionEv" 186 187 ; CHECK: [[STATIC_MEM_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram 188 ; CHECK-NOT: DW_TAG 189 ; CHECK: DW_AT_specification {{.*}} "_ZN1C22static_member_functionEv" 190 191 ; CHECK: [[GLOBAL_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram 192 ; CHECK-NOT: DW_TAG 193 ; CHECK: DW_AT_linkage_name 194 ; CHECK-NOT: DW_TAG 195 ; CHECK: DW_AT_name {{.*}} "global_function" 196 197 ; CHECK-LABEL: .debug_gnu_pubnames contents: 198 ; CHECK-NEXT: length = {{.*}} version = 0x0002 unit_offset = 0x00000000 unit_size = {{.*}} 199 ; CHECK-NEXT: Offset Linkage Kind Name 200 ; CHECK-NEXT: [[GLOBAL_FUNC]] EXTERNAL FUNCTION "global_function" 201 ; CHECK-NEXT: [[NS]] EXTERNAL TYPE "ns" 202 ; CHECK-NEXT: [[OUTER_ANON_C]] STATIC VARIABLE "outer::(anonymous namespace)::c" 203 ; CHECK-NEXT: [[ANON_I]] STATIC VARIABLE "(anonymous namespace)::i" 204 ; GCC Doesn't put local statics in pubnames, but it seems not unreasonable and 205 ; comes out naturally from LLVM's implementation, so I'm OK with it for now. If 206 ; it's demonstrated that this is a major size concern or degrades debug info 207 ; consumer behavior, feel free to change it. 208 ; CHECK-NEXT: [[F3_Z]] STATIC VARIABLE "f3::z" 209 ; CHECK-NEXT: [[ANON]] EXTERNAL TYPE "(anonymous namespace)" 210 ; CHECK-NEXT: [[OUTER_ANON]] EXTERNAL TYPE "outer::(anonymous namespace)" 211 ; CHECK-NEXT: [[ANON_INNER_B]] STATIC VARIABLE "(anonymous namespace)::inner::b" 212 ; CHECK-NEXT: [[OUTER]] EXTERNAL TYPE "outer" 213 ; CHECK-NEXT: [[MEM_FUNC]] EXTERNAL FUNCTION "C::member_function" 214 ; CHECK-NEXT: [[GLOB_VAR]] EXTERNAL VARIABLE "global_variable" 215 ; CHECK-NEXT: [[GLOB_NS_VAR]] EXTERNAL VARIABLE "ns::global_namespace_variable" 216 ; CHECK-NEXT: [[ANON_INNER]] EXTERNAL TYPE "(anonymous namespace)::inner" 217 ; CHECK-NEXT: [[D_VAR]] EXTERNAL VARIABLE "ns::d" 218 ; CHECK-NEXT: [[GLOB_NS_FUNC]] EXTERNAL FUNCTION "ns::global_namespace_function" 219 ; CHECK-NEXT: [[STATIC_MEM_VAR]] EXTERNAL VARIABLE "C::static_member_variable" 220 ; CHECK-NEXT: [[STATIC_MEM_FUNC]] EXTERNAL FUNCTION "C::static_member_function" 221 222 223 224 ; CHECK-LABEL: debug_gnu_pubtypes contents: 225 ; CHECK: Offset Linkage Kind Name 226 ; CHECK-DAG: [[C]] EXTERNAL TYPE "C" 227 ; CHECK-DAG: [[D]] EXTERNAL TYPE "ns::D" 228 ; CHECK-DAG: [[INT]] STATIC TYPE "int" 229 230 %struct.C = type { i8 } 231 %"struct.ns::D" = type { i32 } 232 233 @_ZN1C22static_member_variableE = global i32 0, align 4 234 @global_variable = global %struct.C zeroinitializer, align 1 235 @_ZN2ns25global_namespace_variableE = global i32 1, align 4 236 @_ZN2ns1dE = global %"struct.ns::D" zeroinitializer, align 4 237 @_ZZ2f3vE1z = internal global i32 0, align 4 238 @_ZN12_GLOBAL__N_11iE = internal global i32 0, align 4 239 @_ZN12_GLOBAL__N_15inner1bE = internal global i32 0, align 4 240 @_ZN5outer12_GLOBAL__N_11cE = internal global i32 0, align 4 241 242 ; Function Attrs: nounwind uwtable 243 define void @_ZN1C15member_functionEv(%struct.C* %this) #0 align 2 !dbg !20 { 244 entry: 245 %this.addr = alloca %struct.C*, align 8 246 store %struct.C* %this, %struct.C** %this.addr, align 8 247 call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !51, metadata !53), !dbg !54 248 %this1 = load %struct.C*, %struct.C** %this.addr 249 store i32 0, i32* @_ZN1C22static_member_variableE, align 4, !dbg !55 250 ret void, !dbg !56 251 } 252 253 ; Function Attrs: nounwind readnone 254 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 255 256 ; Function Attrs: nounwind uwtable 257 define i32 @_ZN1C22static_member_functionEv() #0 align 2 !dbg !21 { 258 entry: 259 %0 = load i32, i32* @_ZN1C22static_member_variableE, align 4, !dbg !57 260 ret i32 %0, !dbg !57 261 } 262 263 ; Function Attrs: nounwind uwtable 264 define i32 @_Z15global_functionv() #0 !dbg !22 { 265 entry: 266 ret i32 -1, !dbg !58 267 } 268 269 ; Function Attrs: nounwind uwtable 270 define void @_ZN2ns25global_namespace_functionEv() #0 !dbg !23 { 271 entry: 272 call void @_ZN1C15member_functionEv(%struct.C* @global_variable), !dbg !59 273 ret void, !dbg !60 274 } 275 276 ; Function Attrs: nounwind uwtable 277 define i32* @_Z2f3v() #0 !dbg !26 { 278 entry: 279 ret i32* @_ZZ2f3vE1z, !dbg !61 280 } 281 282 ; Function Attrs: nounwind uwtable 283 define i32 @_Z2f7v() #0 !dbg !30 { 284 entry: 285 %0 = load i32, i32* @_ZN12_GLOBAL__N_11iE, align 4, !dbg !62 286 %call = call i32* @_Z2f3v(), !dbg !62 287 %1 = load i32, i32* %call, align 4, !dbg !62 288 %add = add nsw i32 %0, %1, !dbg !62 289 %2 = load i32, i32* @_ZN12_GLOBAL__N_15inner1bE, align 4, !dbg !62 290 %add1 = add nsw i32 %add, %2, !dbg !62 291 %3 = load i32, i32* @_ZN5outer12_GLOBAL__N_11cE, align 4, !dbg !62 292 %add2 = add nsw i32 %add1, %3, !dbg !62 293 ret i32 %add2, !dbg !62 294 } 295 296 attributes #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" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" } 297 attributes #1 = { nounwind readnone } 298 299 !llvm.dbg.cu = !{!0} 300 !llvm.module.flags = !{!48, !49} 301 !llvm.ident = !{!50} 302 303 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.7.0 (trunk 234897) (llvm/trunk 234911)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, globals: !31, imports: !44) 304 !1 = !DIFile(filename: "gnu-public-names.cpp", directory: "/tmp/dbginfo") 305 !2 = !{} 306 !3 = !{!4, !15} 307 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "C", file: !1, line: 1, size: 8, align: 8, elements: !5, identifier: "_ZTS1C") 308 !5 = !{!6, !8, !12} 309 !6 = !DIDerivedType(tag: DW_TAG_member, name: "static_member_variable", scope: !4, file: !1, line: 4, baseType: !7, flags: DIFlagStaticMember) 310 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 311 !8 = !DISubprogram(name: "member_function", linkageName: "_ZN1C15member_functionEv", scope: !4, file: !1, line: 2, type: !9, isLocal: false, isDefinition: false, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false) 312 !9 = !DISubroutineType(types: !10) 313 !10 = !{null, !11} 314 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) 315 !12 = !DISubprogram(name: "static_member_function", linkageName: "_ZN1C22static_member_functionEv", scope: !4, file: !1, line: 3, type: !13, isLocal: false, isDefinition: false, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false) 316 !13 = !DISubroutineType(types: !14) 317 !14 = !{!7} 318 !15 = !DICompositeType(tag: DW_TAG_structure_type, name: "D", scope: !16, file: !1, line: 29, size: 32, align: 32, elements: !17, identifier: "_ZTSN2ns1DE") 319 !16 = !DINamespace(name: "ns", scope: null, file: !1, line: 23) 320 !17 = !{!18} 321 !18 = !DIDerivedType(tag: DW_TAG_member, name: "A", scope: !15, file: !1, line: 30, baseType: !7, size: 32, align: 32) 322 !20 = distinct !DISubprogram(name: "member_function", linkageName: "_ZN1C15member_functionEv", scope: !4, file: !1, line: 9, type: !9, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !8, variables: !2) 323 !21 = distinct !DISubprogram(name: "static_member_function", linkageName: "_ZN1C22static_member_functionEv", scope: !4, file: !1, line: 13, type: !13, isLocal: false, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !12, variables: !2) 324 !22 = distinct !DISubprogram(name: "global_function", linkageName: "_Z15global_functionv", scope: !1, file: !1, line: 19, type: !13, isLocal: false, isDefinition: true, scopeLine: 19, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) 325 !23 = distinct !DISubprogram(name: "global_namespace_function", linkageName: "_ZN2ns25global_namespace_functionEv", scope: !16, file: !1, line: 24, type: !24, isLocal: false, isDefinition: true, scopeLine: 24, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) 326 !24 = !DISubroutineType(types: !25) 327 !25 = !{null} 328 !26 = distinct !DISubprogram(name: "f3", linkageName: "_Z2f3v", scope: !1, file: !1, line: 40, type: !27, isLocal: false, isDefinition: true, scopeLine: 40, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) 329 !27 = !DISubroutineType(types: !28) 330 !28 = !{!29} 331 !29 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64) 332 !30 = distinct !DISubprogram(name: "f7", linkageName: "_Z2f7v", scope: !1, file: !1, line: 57, type: !13, isLocal: false, isDefinition: true, scopeLine: 57, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) 333 !31 = !{!32, !33, !34, !35, !36, !37, !39, !41} 334 !32 = !DIGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", scope: !0, file: !1, line: 7, type: !7, isLocal: false, isDefinition: true, variable: i32* @_ZN1C22static_member_variableE, declaration: !6) 335 !33 = !DIGlobalVariable(name: "global_variable", scope: !0, file: !1, line: 17, type: !4, isLocal: false, isDefinition: true, variable: %struct.C* @global_variable) 336 !34 = !DIGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", scope: !16, file: !1, line: 27, type: !7, isLocal: false, isDefinition: true, variable: i32* @_ZN2ns25global_namespace_variableE) 337 !35 = !DIGlobalVariable(name: "d", linkageName: "_ZN2ns1dE", scope: !16, file: !1, line: 31, type: !15, isLocal: false, isDefinition: true, variable: %"struct.ns::D"* @_ZN2ns1dE) 338 !36 = !DIGlobalVariable(name: "z", scope: !26, file: !1, line: 41, type: !7, isLocal: true, isDefinition: true, variable: i32* @_ZZ2f3vE1z) 339 !37 = !DIGlobalVariable(name: "i", linkageName: "_ZN12_GLOBAL__N_11iE", scope: !38, file: !1, line: 37, type: !7, isLocal: true, isDefinition: true, variable: i32* @_ZN12_GLOBAL__N_11iE) 340 !38 = !DINamespace(scope: null, file: !1, line: 36) 341 !39 = !DIGlobalVariable(name: "b", linkageName: "_ZN12_GLOBAL__N_15inner1bE", scope: !40, file: !1, line: 47, type: !7, isLocal: true, isDefinition: true, variable: i32* @_ZN12_GLOBAL__N_15inner1bE) 342 !40 = !DINamespace(name: "inner", scope: !38, file: !1, line: 46) 343 !41 = !DIGlobalVariable(name: "c", linkageName: "_ZN5outer12_GLOBAL__N_11cE", scope: !42, file: !1, line: 53, type: !7, isLocal: true, isDefinition: true, variable: i32* @_ZN5outer12_GLOBAL__N_11cE) 344 !42 = !DINamespace(scope: !43, file: !1, line: 52) 345 !43 = !DINamespace(name: "outer", scope: null, file: !1, line: 51) 346 !44 = !{!45, !47} 347 !45 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !0, entity: !46, line: 34) 348 !46 = !DIGlobalVariable(name: "global_namespace_variable_decl", linkageName: "_ZN2ns30global_namespace_variable_declE", scope: !16, file: !1, line: 28, type: !7, isLocal: false, isDefinition: false) 349 !47 = !DIImportedEntity(tag: DW_TAG_imported_module, scope: !43, entity: !42, line: 43) 350 !48 = !{i32 2, !"Dwarf Version", i32 4} 351 !49 = !{i32 2, !"Debug Info Version", i32 3} 352 !50 = !{!"clang version 3.7.0 (trunk 234897) (llvm/trunk 234911)"} 353 !51 = !DILocalVariable(name: "this", arg: 1, scope: !20, type: !52, flags: DIFlagArtificial | DIFlagObjectPointer) 354 !52 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64) 355 !53 = !DIExpression() 356 !54 = !DILocation(line: 0, scope: !20) 357 !55 = !DILocation(line: 10, scope: !20) 358 !56 = !DILocation(line: 11, scope: !20) 359 !57 = !DILocation(line: 14, scope: !21) 360 !58 = !DILocation(line: 20, scope: !22) 361 !59 = !DILocation(line: 25, scope: !23) 362 !60 = !DILocation(line: 26, scope: !23) 363 !61 = !DILocation(line: 42, scope: !26) 364 !62 = !DILocation(line: 58, scope: !30) 365
