1 // RUN: rm -rf %t
2 // Test that only forward declarations are emitted for types dfined in modules.
3 
4 // Modules:
5 // RUN: %clang_cc1 -x objective-c++ -std=c++11 -debug-info-kind=limited -dwarf-ext-refs -fmodules \
6 // RUN:     -fmodule-format=obj -fimplicit-module-maps -DMODULES \
7 // RUN:     -triple %itanium_abi_triple \
8 // RUN:     -fmodules-cache-path=%t %s -I %S/Inputs -I %t -emit-llvm -o %t-mod.ll
9 // RUN: cat %t-mod.ll |  FileCheck %s
10 
11 // PCH:
12 // RUN: %clang_cc1 -x c++ -std=c++11 -fmodule-format=obj -emit-pch -I%S/Inputs \
13 // RUN:     -triple %itanium_abi_triple \
14 // RUN:     -o %t.pch %S/Inputs/DebugCXX.h
15 // RUN: %clang_cc1 -std=c++11 -debug-info-kind=limited -dwarf-ext-refs -fmodule-format=obj \
16 // RUN:     -triple %itanium_abi_triple \
17 // RUN:     -include-pch %t.pch %s -emit-llvm -o %t-pch.ll %s
18 // RUN: cat %t-pch.ll |  FileCheck %s
19 
20 #ifdef MODULES
21 @import DebugCXX;
22 #endif
23 
24 using DebugCXX::Struct;
25 
26 Struct s;
27 DebugCXX::Enum e;
28 DebugCXX::Template<long> implicitTemplate;
29 DebugCXX::Template<int> explicitTemplate;
30 DebugCXX::FloatInstatiation typedefTemplate;
31 int Struct::static_member = -1;
32 enum {
33   e3 = -1
34 } conflicting_uid = e3;
35 auto anon_enum = DebugCXX::e2;
36 char _anchor = anon_enum + conflicting_uid;
37 
38 TypedefUnion tdu;
39 TypedefEnum tde;
40 TypedefStruct tds;
41 
42 InAnonymousNamespace anon;
43 
44 void foo() {
45   anon.i = GlobalStruct.i = GlobalUnion.i = GlobalEnum;
46 }
47 
48 // CHECK: ![[NS:.*]] = !DINamespace(name: "DebugCXX", scope: ![[MOD:[0-9]+]],
49 // CHECK: ![[MOD]] = !DIModule(scope: null, name: {{.*}}DebugCXX
50 
51 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "Struct",
52 // CHECK-SAME:             scope: ![[NS]],
53 // CHECK-SAME:             flags: DIFlagFwdDecl,
54 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX6StructE")
55 
56 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "Enum",
57 // CHECK-SAME:             scope: ![[NS]],
58 // CHECK-SAME:             flags: DIFlagFwdDecl,
59 // CHECK-SAME:             identifier:  "_ZTSN8DebugCXX4EnumE")
60 
61 // CHECK: !DICompositeType(tag: DW_TAG_class_type,
62 
63 // CHECK: !DICompositeType(tag: DW_TAG_class_type,
64 // CHECK-SAME:             name: "Template<int, DebugCXX::traits<int> >",
65 // CHECK-SAME:             scope: ![[NS]],
66 // CHECK-SAME:             flags: DIFlagFwdDecl,
67 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX8TemplateIiNS_6traitsIiEEEE")
68 
69 // CHECK: !DICompositeType(tag: DW_TAG_class_type,
70 // CHECK-SAME:             name: "Template<float, DebugCXX::traits<float> >",
71 // CHECK-SAME:             scope: ![[NS]],
72 // CHECK-SAME:             flags: DIFlagFwdDecl,
73 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX8TemplateIfNS_6traitsIfEEEE")
74 
75 // CHECK: !DICompositeType(tag: DW_TAG_union_type,
76 // CHECK-SAME:             flags: DIFlagFwdDecl, identifier: "_ZTS12TypedefUnion")
77 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
78 // CHECK-SAME:             flags: DIFlagFwdDecl, identifier: "_ZTS11TypedefEnum")
79 // CHECK: !DICompositeType(tag: DW_TAG_structure_type,
80 // CHECK-SAME:             flags: DIFlagFwdDecl, identifier: "_ZTS13TypedefStruct")
81 
82 // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "static_member",
83 // CHECK-SAME:           scope: !"_ZTSN8DebugCXX6StructE"
84 
85 // CHECK: !DIGlobalVariable(name: "anon_enum", {{.*}}, type: ![[ANON_ENUM:[0-9]+]]
86 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, scope: ![[NS]],
87 // CHECK-SAME:             line: 16
88 
89 // CHECK: !DIGlobalVariable(name: "GlobalUnion",
90 // CHECK-SAME:              type: ![[GLOBAL_UNION:[0-9]+]]
91 // CHECK: ![[GLOBAL_UNION]] = !DICompositeType(tag: DW_TAG_union_type,
92 // CHECK-SAME:                elements: !{{[0-9]+}})
93 // CHECK: !DIGlobalVariable(name: "GlobalStruct",
94 // CHECK-SAME:              type: ![[GLOBAL_STRUCT:[0-9]+]]
95 // CHECK: ![[GLOBAL_STRUCT]] = !DICompositeType(tag: DW_TAG_structure_type,
96 // CHECK-SAME:                elements: !{{[0-9]+}})
97 
98 // CHECK: !DIGlobalVariable(name: "anon",
99 // CHECK-SAME:              type: ![[GLOBAL_ANON:[0-9]+]]
100 // CHECK: ![[GLOBAL_ANON]] = !DICompositeType(tag: DW_TAG_structure_type,
101 // CHECK-SAME:              name: "InAnonymousNamespace", {{.*}}DIFlagFwdDecl)
102 
103 
104 // CHECK: !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !0, entity: !"_ZTSN8DebugCXX6StructE", line: 24)
105 
106 // CHECK: !DICompileUnit(
107 // CHECK-SAME:           splitDebugFilename:
108 // CHECK-SAME:           dwoId:
109