ExtDebugInfo.cpp
8.95 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
// RUN: rm -rf %t
// Test that only forward declarations are emitted for types defined in modules.
// Modules:
// RUN: %clang_cc1 -x objective-c++ -std=c++11 -debug-info-kind=standalone \
// RUN: -dwarf-ext-refs -fmodules \
// RUN: -fmodule-format=obj -fimplicit-module-maps -DMODULES \
// RUN: -triple %itanium_abi_triple \
// RUN: -fmodules-cache-path=%t %s -I %S/Inputs -I %t -emit-llvm -o %t-mod.ll
// RUN: cat %t-mod.ll | FileCheck %s
// PCH:
// RUN: %clang_cc1 -x c++ -std=c++11 -fmodule-format=obj -emit-pch -I%S/Inputs \
// RUN: -triple %itanium_abi_triple \
// RUN: -o %t.pch %S/Inputs/DebugCXX.h
// RUN: %clang_cc1 -std=c++11 -debug-info-kind=standalone \
// RUN: -dwarf-ext-refs -fmodule-format=obj \
// RUN: -triple %itanium_abi_triple \
// RUN: -include-pch %t.pch %s -emit-llvm -o %t-pch.ll
// RUN: cat %t-pch.ll | FileCheck %s
// RUN: cat %t-pch.ll | FileCheck %s --check-prefix=CHECK-PCH
#ifdef MODULES
@import DebugCXX;
#endif
using DebugCXX::Struct;
Struct s;
DebugCXX::Enum e;
// Template instantiations.
DebugCXX::Template<long> implicitTemplate;
DebugCXX::Template<int> explicitTemplate;
DebugCXX::FloatInstantiation typedefTemplate;
DebugCXX::B anchoredTemplate;
int Struct::static_member = -1;
enum {
e3 = -1
} conflicting_uid = e3;
auto anon_enum = DebugCXX::e2;
char _anchor = anon_enum + conflicting_uid;
TypedefUnion tdu;
TypedefEnum tde;
TypedefStruct tds;
TypedefTemplate tdt;
Template1<int> explicitTemplate1;
template <class T> class FwdDeclTemplate { T t; };
TypedefFwdDeclTemplate tdfdt;
InAnonymousNamespace anon;
// Types that are forward-declared in the module and defined here.
struct PureFwdDecl { int i; };
PureFwdDecl definedLocally;
struct Specialized<int>::Member { int i; };
struct Specialized<int>::Member definedLocally2;
template <class T> struct FwdDeclTemplateMember<T>::Member { T t; };
TypedefFwdDeclTemplateMember tdfdtm;
SpecializedBase definedLocally3;
extern template class WithSpecializedBase<int>;
WithSpecializedBase<int> definedLocally4;
void foo() {
anon.i = GlobalStruct.i = GlobalUnion.i = GlobalEnum;
A a;
Virtual virt;
}
// CHECK: ![[CPP:.*]] = !DIFile(filename: {{.*}}ExtDebugInfo.cpp"
// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "Enum",
// CHECK-SAME: scope: ![[NS:[0-9]+]],
// CHECK-SAME: flags: DIFlagFwdDecl,
// CHECK-SAME: identifier: "_ZTSN8DebugCXX4EnumE")
// CHECK: ![[NS]] = !DINamespace(name: "DebugCXX", scope: ![[MOD:[0-9]+]])
// CHECK: ![[MOD]] = !DIModule(scope: null, name: {{.*}}DebugCXX
// This type is not anchored in the module by an explicit template instantiation.
// CHECK: !DICompositeType(tag: DW_TAG_class_type,
// CHECK-SAME: name: "Template<long, DebugCXX::traits<long> >",
// CHECK-SAME: scope: ![[NS]],
// CHECK-SAME: elements:
// CHECK-SAME: identifier: "_ZTSN8DebugCXX8TemplateIlNS_6traitsIlEEEE")
// This type is anchored in the module by an explicit template instantiation.
// CHECK: !DICompositeType(tag: DW_TAG_class_type,
// CHECK-SAME: name: "Template<int, DebugCXX::traits<int> >",
// CHECK-SAME: scope: ![[NS]],
// CHECK-SAME: flags: DIFlagFwdDecl,
// CHECK-SAME: identifier: "_ZTSN8DebugCXX8TemplateIiNS_6traitsIiEEEE")
// This type isn't, however, even with standalone non-module debug info this
// type is a forward declaration.
// CHECK-NOT: !DICompositeType(tag: DW_TAG_structure_type, name: "traits<int>",
// This one isn't.
// CHECK: !DICompositeType(tag: DW_TAG_class_type,
// CHECK-SAME: name: "Template<float, DebugCXX::traits<float> >",
// CHECK-SAME: scope: ![[NS]],
// CHECK-SAME: elements:
// CHECK-SAME: templateParams:
// CHECK-SAME: identifier: "_ZTSN8DebugCXX8TemplateIfNS_6traitsIfEEEE")
// This type is anchored in the module by an explicit template instantiation.
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "traits<float>",
// CHECK-SAME: flags: DIFlagFwdDecl,
// CHECK-SAME: identifier: "_ZTSN8DebugCXX6traitsIfEE")
// This type is anchored in the module via a function argument,
// but we don't know this (yet).
// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "A<void>",
// CHECK-SAME: scope: ![[NS]],
// CHECK-SAME: elements:
// CHECK-SAME: identifier: "_ZTSN8DebugCXX1AIJvEEE")
// CHECK: !DIDerivedType(tag: DW_TAG_member, name: "static_member",
// CHECK-SAME: scope: ![[STRUCT:[0-9]*]]
// CHECK: ![[STRUCT]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Struct",
// CHECK-SAME: scope: ![[NS]],
// CHECK-SAME: flags: DIFlagFwdDecl,
// CHECK-SAME: identifier: "_ZTSN8DebugCXX6StructE")
// CHECK: !DICompositeType(tag: DW_TAG_union_type,
// CHECK-SAME: flags: DIFlagFwdDecl,
// CHECK-SAME: identifier: "_ZTS12TypedefUnion")
// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
// CHECK-SAME: flags: DIFlagFwdDecl,
// CHECK-SAME: identifier: "_ZTS11TypedefEnum")
// CHECK: !DICompositeType(tag: DW_TAG_structure_type,
// CHECK-SAME: flags: DIFlagFwdDecl,
// CHECK-SAME: identifier: "_ZTS13TypedefStruct")
// This one isn't.
// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "Template1<void *>",
// CHECK-SAME: elements:
// CHECK-SAME: templateParams:
// CHECK-SAME: identifier: "_ZTS9Template1IPvE")
// This type is anchored in the module by an explicit template instantiation.
// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "Template1<int>",
// CHECK-SAME: flags: DIFlagFwdDecl,
// CHECK-SAME: identifier: "_ZTS9Template1IiE")
// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "FwdDeclTemplate<int>",
// CHECK-SAME: elements:
// CHECK-SAME: templateParams:
// CHECK-SAME: identifier: "_ZTS15FwdDeclTemplateIiE")
// This type is defined locally and forward-declared in the module.
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "PureFwdDecl",
// CHECK-SAME: elements:
// CHECK-SAME: identifier: "_ZTS11PureFwdDecl")
// This type is defined locally and forward-declared in the module.
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "Member",
// CHECK-SAME: elements:
// CHECK-SAME: identifier: "_ZTSN11SpecializedIiE6MemberE")
// This type is defined locally and forward-declared in the module.
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "Member",
// CHECK-SAME: elements:
// CHECK-SAME: identifier: "_ZTSN21FwdDeclTemplateMemberIiE6MemberE")
// This type is defined locally and forward-declared in the module.
// CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "SpecializedBase",
// CHECK-SAME: baseType: ![[SPECIALIZEDBASE:.*]])
// CHECK: ![[SPECIALIZEDBASE]] =
// CHECK-SAME: !DICompositeType(tag: DW_TAG_class_type,
// CHECK-SAME: name: "WithSpecializedBase<float>",
// CHECK-SAME: elements:
// CHECK-SAME: identifier: "_ZTS19WithSpecializedBaseIfE")
// This type is explicitly specialized locally.
// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "WithSpecializedBase<int>",
// CHECK-SAME: elements:
// CHECK-SAME: identifier: "_ZTS19WithSpecializedBaseIiE")
// CHECK: !DIGlobalVariable(name: "anon_enum", {{.*}}, type: ![[ANON_ENUM:[0-9]+]]
// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, scope: ![[NS]],
// CHECK-SAME: line: 19
// CHECK: !DIGlobalVariable(name: "GlobalUnion",
// CHECK-SAME: type: ![[GLOBAL_UNION:[0-9]+]]
// CHECK: ![[GLOBAL_UNION]] = distinct !DICompositeType(tag: DW_TAG_union_type,
// CHECK-SAME: elements: !{{[0-9]+}})
// CHECK: !DIGlobalVariable(name: "GlobalStruct",
// CHECK-SAME: type: ![[GLOBAL_STRUCT:[0-9]+]]
// CHECK: ![[GLOBAL_STRUCT]] = distinct !DICompositeType(tag: DW_TAG_structure_type,
// CHECK-SAME: elements: !{{[0-9]+}})
// CHECK: !DIGlobalVariable(name: "anon",
// CHECK-SAME: type: ![[GLOBAL_ANON:[0-9]+]]
// CHECK: ![[GLOBAL_ANON]] = !DICompositeType(tag: DW_TAG_structure_type,
// CHECK-SAME: name: "InAnonymousNamespace", {{.*}}DIFlagFwdDecl)
// CHECK: !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !{{[0-9]+}}, entity: ![[STRUCT]], file: ![[CPP]], line: 27)
// CHECK: !DICompileUnit(
// CHECK-SAME: splitDebugFilename:
// CHECK-SAME: dwoId:
// CHECK-PCH: !DICompileUnit({{.*}}splitDebugFilename:
// CHECK-PCH: dwoId: 18446744073709551614
// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "A",
// CHECK-SAME: DIFlagFwdDecl)
// There is a full definition of the type available in the module.
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "Virtual",
// CHECK-SAME: DIFlagFwdDecl, identifier: "_ZTS7Virtual")