1 ; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=All < %s | llvm-dwarfdump - | FileCheck %s --implicit-check-not "{{DW_TAG|NULL}}"
3 ; CHECK: debug_info contents
4 ; CHECK:DW_TAG_compile_unit
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
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
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")
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")
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
36 ; CHECK: [[FUNC_FWD:0x[0-9a-f]*]]:{{.*}}DW_TAG_subprogram
37 ; CHECK: DW_AT_name ("func_fwd")
38 ; CHECK-NOT: DW_AT_declaration
40 ; CHECK: [[BAZ:0x[0-9a-f]*]]:{{.*}}DW_TAG_typedef
41 ; CHECK: DW_AT_name ("baz")
43 ; CHECK: [[VAR_DECL:0x[0-9a-f]*]]:{{.*}}DW_TAG_variable
44 ; CHECK: DW_AT_name ("var_decl")
45 ; CHECK: DW_AT_declaration
47 ; CHECK: [[FUNC_DECL:0x[0-9a-f]*]]:{{.*}}DW_TAG_subprogram
48 ; CHECK: DW_AT_name ("func_decl")
49 ; CHECK: DW_AT_declaration
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
59 ; CHECK: DW_TAG_base_type
60 ; CHECK: DW_TAG_subprogram
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 {{.*}}
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]])
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
133 ; IR generated from clang/test/CodeGenCXX/debug-info-namespace.cpp, file paths
134 ; changed to protect the guilty. The C++ source code is:
143 ; int f1() { return 0; }
148 ; extern int var_decl;
149 ; void func_decl(void);
150 ; extern int var_fwd;
151 ; void func_fwd(void);
163 ; using namespace A::B;
175 ; using B::func_decl;
178 ; return i + X::B::i + Y::B::i;
187 ; void B::func_fwd() {}
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 }]
193 ; Function Attrs: nounwind ssp uwtable
194 define i32 @_ZN1A1B2f1Ev() #0 !dbg !10 {
199 ; Function Attrs: nounwind ssp uwtable
200 define void @_ZN1A1B2f1Ei(i32) #0 !dbg !14 {
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
208 ; Function Attrs: nounwind readnone
209 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
211 define internal void @__cxx_global_var_init() section "__TEXT,__StaticInit,regular,pure_instructions" !dbg !17 {
213 %call = call i32 @_ZN1A1B2f1Ev(), !dbg !65
214 store i32 %call, ptr @_ZN1A1B1iE, align 4, !dbg !65
218 ; Function Attrs: nounwind ssp uwtable
219 define i32 @_Z4funcb(i1 zeroext %b) #0 !dbg !21 {
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
230 if.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
235 if.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
244 return: ; preds = %if.end, %if.then
245 %5 = load i32, ptr %retval, !dbg !71
249 define internal void @__cxx_global_var_init1() section "__TEXT,__StaticInit,regular,pure_instructions" !dbg !25 {
251 %0 = load i32, ptr @_ZN1A1B1iE, align 4, !dbg !72
252 store i32 %0, ptr @_ZN1A1B7var_fwdE, align 4, !dbg !72
256 ; Function Attrs: nounwind ssp uwtable
257 define void @_ZN1A1B8func_fwdEv() #0 !dbg !26 {
262 define internal void @_GLOBAL__sub_I_debug_info_namespace.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" {
264 call void @__cxx_global_var_init(), !dbg !74
265 call void @__cxx_global_var_init1(), !dbg !74
269 attributes #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" }
270 attributes #1 = { nounwind readnone }
273 !llvm.module.flags = !{!57, !58}
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")
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)
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)
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)
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)
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)
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())