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'
8 ; void member_function();
9 ; static int static_member_function();
10 ; static int static_member_variable;
13 ; int C::static_member_variable = 0;
15 ; void C::member_function() {
16 ; static_member_variable = 0;
19 ; int C::static_member_function() {
20 ; return static_member_variable;
25 ; int global_function() {
30 ; void global_namespace_function() {
31 ; global_variable.member_function();
33 ; int global_namespace_variable = 1;
39 ; ASM: .section .debug_gnu_pubnames
40 ; ASM: .byte 32 # Kind: VARIABLE, EXTERNAL
41 ; ASM-NEXT: .asciz "global_variable" # External Name
43 ; ASM: .section .debug_gnu_pubtypes
44 ; ASM: .byte 16 # Kind: TYPE, EXTERNAL
45 ; ASM-NEXT: .asciz "C" # External Name
47 ; CHECK: .debug_info contents:
48 ; CHECK: Compile Unit:
49 ; CHECK: DW_AT_GNU_pubnames [DW_FORM_flag_present] (true)
50 ; CHECK-NOT: DW_AT_GNU_pubtypes [
52 ; CHECK: [[STATIC_MEM_VAR:0x[0-9a-f]+]]: DW_TAG_variable
53 ; CHECK-NEXT: DW_AT_specification {{.*}} "static_member_variable"
55 ; CHECK: [[C:0x[0-9a-f]+]]: DW_TAG_structure_type
56 ; CHECK-NEXT: DW_AT_name {{.*}} "C"
58 ; CHECK: DW_TAG_member
59 ; CHECK-NEXT: DW_AT_name {{.*}} "static_member_variable"
61 ; CHECK: DW_TAG_subprogram
62 ; CHECK-NEXT: DW_AT_MIPS_linkage_name
63 ; CHECK-NEXT: DW_AT_name {{.*}} "member_function"
65 ; CHECK: DW_TAG_subprogram
66 ; CHECK-NEXT: DW_AT_MIPS_linkage_name
67 ; CHECK-NEXT: DW_AT_name {{.*}} "static_member_function"
69 ; CHECK: [[INT:0x[0-9a-f]+]]: DW_TAG_base_type
70 ; CHECK-NEXT: DW_AT_name {{.*}} "int"
72 ; CHECK: [[GLOB_VAR:0x[0-9a-f]+]]: DW_TAG_variable
73 ; CHECK-NEXT: DW_AT_name {{.*}} "global_variable"
75 ; CHECK: [[NS:0x[0-9a-f]+]]: DW_TAG_namespace
76 ; CHECK-NEXT: DW_AT_name {{.*}} "ns"
78 ; CHECK: [[GLOB_NS_VAR:0x[0-9a-f]+]]: DW_TAG_variable
79 ; CHECK-NEXT: DW_AT_name {{.*}} "global_namespace_variable"
80 ; CHECK-NOT: DW_AT_specification
81 ; CHECK: DW_AT_location
82 ; CHECK-NOT: DW_AT_specification
84 ; CHECK: [[D_VAR:0x[0-9a-f]+]]: DW_TAG_variable
85 ; CHECK-NEXT: DW_AT_name {{.*}} "d"
86 ; CHECK-NOT: DW_AT_specification
87 ; CHECK: DW_AT_location
88 ; CHECK-NOT: DW_AT_specification
90 ; CHECK: [[D:0x[0-9a-f]+]]: DW_TAG_structure_type
91 ; CHECK-NEXT: DW_AT_name {{.*}} "D"
93 ; CHECK: [[GLOB_NS_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram
95 ; CHECK: DW_AT_MIPS_linkage_name
97 ; CHECK: DW_AT_name {{.*}} "global_namespace_function"
99 ; CHECK: DW_TAG_subprogram
101 ; CHECK: DW_AT_name {{.*}} "f3"
102 ; CHECK-NOT: {{DW_TAG|NULL}}
103 ; CHECK: [[F3_Z:.*]]: DW_TAG_variable
105 ; CHECK: DW_AT_name {{.*}} "z"
106 ; CHECK-NOT: {{DW_TAG|NULL}}
107 ; CHECK: DW_AT_location
108 ; CHECK-NOT: {{DW_TAG|NULL}}
110 ; CHECK-NOT: {{DW_TAG|NULL}}
112 ; CHECK: [[OUTER:.*]]: DW_TAG_namespace
114 ; CHECK: DW_AT_name {{.*}} "outer"
115 ; CHECK-NOT: {{DW_TAG|NULL}}
116 ; CHECK: [[OUTER_ANON:.*]]: DW_TAG_namespace
117 ; CHECK-NOT: {{DW_TAG|NULL}}
118 ; CHECK-NOT: DW_AT_name
119 ; CHECK: [[OUTER_ANON_C:.*]]: DW_TAG_variable
121 ; CHECK: DW_AT_name {{.*}} "c"
122 ; CHECK-NOT: {{DW_TAG|NULL}}
124 ; CHECK-NOT: {{DW_TAG|NULL}}
125 ; FIXME: We probably shouldn't bother describing the implicit
126 ; import of the preceding anonymous namespace. This should be fixed
128 ; CHECK: DW_TAG_imported_module
129 ; CHECK-NOT: {{DW_TAG|NULL}}
131 ; CHECK-NOT: {{DW_TAG|NULL}}
133 ; CHECK: [[ANON:.*]]: DW_TAG_namespace
134 ; CHECK-NOT: DW_AT_name
135 ; CHECK: [[ANON_INNER:.*]]: DW_TAG_namespace
137 ; CHECK: DW_AT_name {{.*}} "inner"
138 ; CHECK-NOT: {{DW_TAG|NULL}}
139 ; CHECK: [[ANON_INNER_B:.*]]: DW_TAG_variable
141 ; CHECK: DW_AT_name {{.*}} "b"
142 ; CHECK-NOT: {{DW_TAG|NULL}}
144 ; CHECK-NOT: {{DW_TAG|NULL}}
145 ; CHECK: [[ANON_I:.*]]: DW_TAG_variable
147 ; CHECK: DW_AT_name {{.*}} "i"
148 ; CHECK-NOT: {{DW_TAG|NULL}}
150 ; CHECK-NOT: {{DW_TAG|NULL}}
152 ; CHECK: [[MEM_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram
154 ; CHECK: DW_AT_specification {{.*}} "_ZN1C15member_functionEv"
156 ; CHECK: [[STATIC_MEM_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram
158 ; CHECK: DW_AT_specification {{.*}} "_ZN1C22static_member_functionEv"
160 ; CHECK: [[GLOBAL_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram
162 ; CHECK: DW_AT_MIPS_linkage_name
164 ; CHECK: DW_AT_name {{.*}} "global_function"
166 ; CHECK-LABEL: .debug_gnu_pubnames contents:
167 ; CHECK-NEXT: length = {{.*}} version = 0x0002 unit_offset = 0x00000000 unit_size = {{.*}}
168 ; CHECK-NEXT: Offset Linkage Kind Name
169 ; CHECK-DAG: [[GLOBAL_FUNC]] EXTERNAL FUNCTION "global_function"
170 ; CHECK-DAG: [[NS]] EXTERNAL TYPE "ns"
171 ; CHECK-DAG: [[MEM_FUNC]] EXTERNAL FUNCTION "C::member_function"
172 ; CHECK-DAG: [[GLOB_VAR]] EXTERNAL VARIABLE "global_variable"
173 ; CHECK-DAG: [[GLOB_NS_VAR]] EXTERNAL VARIABLE "ns::global_namespace_variable"
174 ; CHECK-DAG: [[GLOB_NS_FUNC]] EXTERNAL FUNCTION "ns::global_namespace_function"
175 ; CHECK-DAG: [[D_VAR]] EXTERNAL VARIABLE "ns::d"
176 ; CHECK-DAG: [[STATIC_MEM_VAR]] EXTERNAL VARIABLE "C::static_member_variable"
177 ; CHECK-DAG: [[STATIC_MEM_FUNC]] EXTERNAL FUNCTION "C::static_member_function"
178 ; CHECK-DAG: [[ANON]] EXTERNAL TYPE "(anonymous namespace)"
179 ; CHECK-DAG: [[ANON_INNER]] EXTERNAL TYPE "(anonymous namespace)::inner"
180 ; CHECK-DAG: [[OUTER]] EXTERNAL TYPE "outer"
181 ; CHECK-DAG: [[OUTER_ANON]] EXTERNAL TYPE "outer::(anonymous namespace)"
182 ; CHECK-DAG: [[ANON_I]] STATIC VARIABLE "(anonymous namespace)::i"
183 ; CHECK-DAG: [[ANON_INNER_B]] STATIC VARIABLE "(anonymous namespace)::inner::b"
184 ; CHECK-DAG: [[OUTER_ANON_C]] STATIC VARIABLE "outer::(anonymous namespace)::c"
186 ; GCC Doesn't put local statics in pubnames, but it seems not unreasonable and
187 ; comes out naturally from LLVM's implementation, so I'm OK with it for now. If
188 ; it's demonstrated that this is a major size concern or degrades debug info
189 ; consumer behavior, feel free to change it.
191 ; CHECK-DAG: [[F3_Z]] STATIC VARIABLE "f3::z"
194 ; CHECK-LABEL: debug_gnu_pubtypes contents:
195 ; CHECK: Offset Linkage Kind Name
196 ; CHECK-DAG: [[C]] EXTERNAL TYPE "C"
197 ; CHECK-DAG: [[D]] EXTERNAL TYPE "ns::D"
198 ; CHECK-DAG: [[INT]] STATIC TYPE "int"
200 %struct.C = type { i8 }
201 %"struct.ns::D" = type { i32 }
203 @_ZN1C22static_member_variableE = global i32 0, align 4
204 @global_variable = global %struct.C zeroinitializer, align 1
205 @_ZN2ns25global_namespace_variableE = global i32 1, align 4
206 @_ZN2ns1dE = global %"struct.ns::D" zeroinitializer, align 4
207 @_ZZ2f3vE1z = internal global i32 0, align 4
208 @_ZN12_GLOBAL__N_11iE = internal global i32 0, align 4
209 @_ZN12_GLOBAL__N_15inner1bE = internal global i32 0, align 4
210 @_ZN5outer12_GLOBAL__N_11cE = internal global i32 0, align 4
212 ; Function Attrs: nounwind uwtable
213 define void @_ZN1C15member_functionEv(%struct.C* %this) #0 align 2 {
215 %this.addr = alloca %struct.C*, align 8
216 store %struct.C* %this, %struct.C** %this.addr, align 8
217 call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !50, metadata !MDExpression()), !dbg !52
218 %this1 = load %struct.C*, %struct.C** %this.addr
219 store i32 0, i32* @_ZN1C22static_member_variableE, align 4, !dbg !53
223 ; Function Attrs: nounwind readnone
224 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
226 ; Function Attrs: nounwind uwtable
227 define i32 @_ZN1C22static_member_functionEv() #0 align 2 {
229 %0 = load i32, i32* @_ZN1C22static_member_variableE, align 4, !dbg !55
233 ; Function Attrs: nounwind uwtable
234 define i32 @_Z15global_functionv() #0 {
239 ; Function Attrs: nounwind uwtable
240 define void @_ZN2ns25global_namespace_functionEv() #0 {
242 call void @_ZN1C15member_functionEv(%struct.C* @global_variable), !dbg !57
246 ; Function Attrs: nounwind uwtable
247 define i32* @_Z2f3v() #0 {
249 ret i32* @_ZZ2f3vE1z, !dbg !59
252 ; Function Attrs: nounwind uwtable
253 define i32 @_Z2f7v() #0 {
255 %0 = load i32, i32* @_ZN12_GLOBAL__N_11iE, align 4, !dbg !60
256 %call = call i32* @_Z2f3v(), !dbg !60
257 %1 = load i32, i32* %call, align 4, !dbg !60
258 %add = add nsw i32 %0, %1, !dbg !60
259 %2 = load i32, i32* @_ZN12_GLOBAL__N_15inner1bE, align 4, !dbg !60
260 %add1 = add nsw i32 %add, %2, !dbg !60
261 %3 = load i32, i32* @_ZN5outer12_GLOBAL__N_11cE, align 4, !dbg !60
262 %add2 = add nsw i32 %add1, %3, !dbg !60
263 ret i32 %add2, !dbg !60
266 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" "unsafe-fp-math"="false" "use-soft-float"="false" }
267 attributes #1 = { nounwind readnone }
270 !llvm.module.flags = !{!47, !48}
273 !0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !19, globals: !32, imports: !45)
274 !1 = !MDFile(filename: "pubnames.cpp", directory: "/tmp/dbginfo")
277 !4 = !MDCompositeType(tag: DW_TAG_structure_type, name: "C", line: 1, size: 8, align: 8, file: !1, elements: !5, identifier: "_ZTS1C")
279 !6 = !MDDerivedType(tag: DW_TAG_member, name: "static_member_variable", line: 4, flags: DIFlagStaticMember, file: !1, scope: !"_ZTS1C", baseType: !7)
280 !7 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
281 !8 = !MDSubprogram(name: "member_function", linkageName: "_ZN1C15member_functionEv", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !"_ZTS1C", type: !9)
282 !9 = !MDSubroutineType(types: !10)
284 !11 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1C")
285 !12 = !MDSubprogram(name: "static_member_function", linkageName: "_ZN1C22static_member_functionEv", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !"_ZTS1C", type: !13)
286 !13 = !MDSubroutineType(types: !14)
288 !15 = !MDCompositeType(tag: DW_TAG_structure_type, name: "D", line: 28, size: 32, align: 32, file: !1, scope: !16, elements: !17, identifier: "_ZTSN2ns1DE")
289 !16 = !MDNamespace(name: "ns", line: 23, file: !1, scope: null)
291 !18 = !MDDerivedType(tag: DW_TAG_member, name: "A", line: 29, size: 32, align: 32, file: !1, scope: !"_ZTSN2ns1DE", baseType: !7)
292 !19 = !{!20, !21, !22, !24, !27, !31}
293 !20 = !MDSubprogram(name: "member_function", linkageName: "_ZN1C15member_functionEv", line: 9, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 9, file: !1, scope: !"_ZTS1C", type: !9, function: void (%struct.C*)* @_ZN1C15member_functionEv, declaration: !8, variables: !2)
294 !21 = !MDSubprogram(name: "static_member_function", linkageName: "_ZN1C22static_member_functionEv", line: 13, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 13, file: !1, scope: !"_ZTS1C", type: !13, function: i32 ()* @_ZN1C22static_member_functionEv, declaration: !12, variables: !2)
295 !22 = !MDSubprogram(name: "global_function", linkageName: "_Z15global_functionv", line: 19, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 19, file: !1, scope: !23, type: !13, function: i32 ()* @_Z15global_functionv, variables: !2)
296 !23 = !MDFile(filename: "pubnames.cpp", directory: "/tmp/dbginfo")
297 !24 = !MDSubprogram(name: "global_namespace_function", linkageName: "_ZN2ns25global_namespace_functionEv", line: 24, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 24, file: !1, scope: !16, type: !25, function: void ()* @_ZN2ns25global_namespace_functionEv, variables: !2)
298 !25 = !MDSubroutineType(types: !26)
300 !27 = !MDSubprogram(name: "f3", linkageName: "_Z2f3v", line: 37, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 37, file: !1, scope: !23, type: !28, function: i32* ()* @_Z2f3v, variables: !2)
301 !28 = !MDSubroutineType(types: !29)
303 !30 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !7)
304 !31 = !MDSubprogram(name: "f7", linkageName: "_Z2f7v", line: 54, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 54, file: !1, scope: !23, type: !13, function: i32 ()* @_Z2f7v, variables: !2)
305 !32 = !{!33, !34, !35, !36, !37, !38, !41, !44}
306 !33 = !MDGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", line: 7, isLocal: false, isDefinition: true, scope: null, file: !23, type: !7, variable: i32* @_ZN1C22static_member_variableE, declaration: !6)
307 !34 = !MDGlobalVariable(name: "global_variable", line: 17, isLocal: false, isDefinition: true, scope: null, file: !23, type: !"_ZTS1C", variable: %struct.C* @global_variable)
308 !35 = !MDGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", line: 27, isLocal: false, isDefinition: true, scope: !16, file: !23, type: !7, variable: i32* @_ZN2ns25global_namespace_variableE)
309 !36 = !MDGlobalVariable(name: "d", linkageName: "_ZN2ns1dE", line: 30, isLocal: false, isDefinition: true, scope: !16, file: !23, type: !"_ZTSN2ns1DE", variable: %"struct.ns::D"* @_ZN2ns1dE)
310 !37 = !MDGlobalVariable(name: "z", line: 38, isLocal: true, isDefinition: true, scope: !27, file: !23, type: !7, variable: i32* @_ZZ2f3vE1z)
311 !38 = !MDGlobalVariable(name: "c", linkageName: "_ZN5outer12_GLOBAL__N_11cE", line: 50, isLocal: true, isDefinition: true, scope: !39, file: !23, type: !7, variable: i32* @_ZN5outer12_GLOBAL__N_11cE)
312 !39 = !MDNamespace(line: 49, file: !1, scope: !40)
313 !40 = !MDNamespace(name: "outer", line: 48, file: !1, scope: null)
314 !41 = !MDGlobalVariable(name: "b", linkageName: "_ZN12_GLOBAL__N_15inner1bE", line: 44, isLocal: true, isDefinition: true, scope: !42, file: !23, type: !7, variable: i32* @_ZN12_GLOBAL__N_15inner1bE)
315 !42 = !MDNamespace(name: "inner", line: 43, file: !1, scope: !43)
316 !43 = !MDNamespace(line: 33, file: !1, scope: null)
317 !44 = !MDGlobalVariable(name: "i", linkageName: "_ZN12_GLOBAL__N_11iE", line: 34, isLocal: true, isDefinition: true, scope: !43, file: !23, type: !7, variable: i32* @_ZN12_GLOBAL__N_11iE)
319 !46 = !MDImportedEntity(tag: DW_TAG_imported_module, line: 40, scope: !40, entity: !39)
320 !47 = !{i32 2, !"Dwarf Version", i32 4}
321 !48 = !{i32 2, !"Debug Info Version", i32 3}
322 !49 = !{!"clang version 3.5.0 "}
323 !50 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !20, type: !51)
324 !51 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1C")
325 !52 = !MDLocation(line: 0, scope: !20)
326 !53 = !MDLocation(line: 10, scope: !20)
327 !54 = !MDLocation(line: 11, scope: !20)
328 !55 = !MDLocation(line: 14, scope: !21)
329 !56 = !MDLocation(line: 20, scope: !22)
330 !57 = !MDLocation(line: 25, scope: !24)
331 !58 = !MDLocation(line: 26, scope: !24)
332 !59 = !MDLocation(line: 39, scope: !27)
333 !60 = !MDLocation(line: 55, scope: !31)