223 lines
9.0 KiB
C++
223 lines
9.0 KiB
C++
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// RUN: rm -rf %t
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// Test that only forward declarations are emitted for types defined in modules.
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// Modules:
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// RUN: %clang_cc1 -x objective-c++ -std=c++11 -debug-info-kind=standalone \
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// RUN: -dwarf-ext-refs -fmodules \
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// RUN: -fmodule-format=obj -fimplicit-module-maps -DMODULES \
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// RUN: -triple %itanium_abi_triple \
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// RUN: -fmodules-cache-path=%t %s -I %S/Inputs -I %t -emit-llvm -o %t-mod.ll
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// RUN: cat %t-mod.ll | FileCheck %s
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// PCH:
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// RUN: %clang_cc1 -x c++ -std=c++11 -fmodule-format=obj -emit-pch -I%S/Inputs \
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// RUN: -triple %itanium_abi_triple \
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// RUN: -o %t.pch %S/Inputs/DebugCXX.h
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// RUN: %clang_cc1 -std=c++11 -debug-info-kind=standalone \
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// RUN: -dwarf-ext-refs -fmodule-format=obj \
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// RUN: -triple %itanium_abi_triple \
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// RUN: -include-pch %t.pch %s -emit-llvm -o %t-pch.ll
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// RUN: cat %t-pch.ll | FileCheck %s
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// RUN: cat %t-pch.ll | FileCheck %s --check-prefix=CHECK-PCH
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#ifdef MODULES
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@import DebugCXX;
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#endif
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using DebugCXX::Struct;
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Struct s;
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DebugCXX::Enum e;
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// Template instantiations.
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DebugCXX::Template<long> implicitTemplate;
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DebugCXX::Template<int> explicitTemplate;
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DebugCXX::FloatInstantiation typedefTemplate;
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DebugCXX::B anchoredTemplate;
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int Struct::static_member = -1;
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enum {
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e3 = -1
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} conflicting_uid = e3;
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auto anon_enum = DebugCXX::e2;
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char _anchor = anon_enum + conflicting_uid;
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TypedefUnion tdu;
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TypedefEnum tde;
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TypedefStruct tds;
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TypedefTemplate tdt;
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Template1<int> explicitTemplate1;
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template <class T> class FwdDeclTemplate { T t; };
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TypedefFwdDeclTemplate tdfdt;
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InAnonymousNamespace anon;
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// Types that are forward-declared in the module and defined here.
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struct PureFwdDecl { int i; };
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PureFwdDecl definedLocally;
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struct Specialized<int>::Member { int i; };
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struct Specialized<int>::Member definedLocally2;
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template <class T> struct FwdDeclTemplateMember<T>::Member { T t; };
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TypedefFwdDeclTemplateMember tdfdtm;
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SpecializedBase definedLocally3;
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extern template class WithSpecializedBase<int>;
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WithSpecializedBase<int> definedLocally4;
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void foo() {
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anon.i = GlobalStruct.i = GlobalUnion.i = GlobalEnum;
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A a;
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Virtual virt;
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}
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// CHECK: ![[CPP:.*]] = !DIFile(filename: {{.*}}ExtDebugInfo.cpp"
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "Enum",
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// CHECK-SAME: scope: ![[NS:[0-9]+]],
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// CHECK-SAME: flags: DIFlagFwdDecl
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// CHECK-SAME: identifier: "_ZTSN8DebugCXX4EnumE")
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// CHECK: ![[NS]] = !DINamespace(name: "DebugCXX", scope: ![[MOD:[0-9]+]])
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// CHECK: ![[MOD]] = !DIModule(scope: null, name: {{.*}}DebugCXX
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// This type is not anchored in the module by an explicit template instantiation.
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// CHECK: !DICompositeType(tag: DW_TAG_class_type,
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// CHECK-SAME: name: "Template<long, DebugCXX::traits<long> >",
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// CHECK-SAME: scope: ![[NS]],
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// CHECK-SAME: elements:
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// CHECK-SAME: identifier: "_ZTSN8DebugCXX8TemplateIlNS_6traitsIlEEEE")
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// This type is anchored in the module by an explicit template instantiation.
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// CHECK: !DICompositeType(tag: DW_TAG_class_type,
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// CHECK-SAME: name: "Template<int, DebugCXX::traits<int> >",
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// CHECK-SAME: scope: ![[NS]],
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// CHECK-SAME: flags: DIFlagFwdDecl
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// CHECK-SAME: identifier: "_ZTSN8DebugCXX8TemplateIiNS_6traitsIiEEEE")
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// This type isn't, however, even with standalone non-module debug info this
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// type is a forward declaration.
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// CHECK-NOT: !DICompositeType(tag: DW_TAG_structure_type, name: "traits<int>",
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// This one isn't.
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// CHECK: !DICompositeType(tag: DW_TAG_class_type,
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// CHECK-SAME: name: "Template<float, DebugCXX::traits<float> >",
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// CHECK-SAME: scope: ![[NS]],
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// CHECK-SAME: elements:
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// CHECK-SAME: templateParams:
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// CHECK-SAME: identifier: "_ZTSN8DebugCXX8TemplateIfNS_6traitsIfEEEE")
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// This type is anchored in the module by an explicit template instantiation.
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// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "traits<float>",
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// CHECK-SAME: flags: DIFlagFwdDecl
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// CHECK-SAME: identifier: "_ZTSN8DebugCXX6traitsIfEE")
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// This type is anchored in the module via a function argument,
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// but we don't know this (yet).
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// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "A<void>",
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// CHECK-SAME: scope: ![[NS]],
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// CHECK-SAME: elements:
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// CHECK-SAME: identifier: "_ZTSN8DebugCXX1AIJvEEE")
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// CHECK: !DIDerivedType(tag: DW_TAG_member, name: "static_member",
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// CHECK-SAME: scope: ![[STRUCT:[0-9]*]]
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// CHECK: ![[STRUCT]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Struct",
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// CHECK-SAME: scope: ![[NS]],
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// CHECK-SAME: flags: DIFlagFwdDecl
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// CHECK-SAME: identifier: "_ZTSN8DebugCXX6StructE")
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// CHECK: !DICompositeType(tag: DW_TAG_union_type,
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// CHECK-SAME: flags: DIFlagFwdDecl
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// CHECK-SAME: identifier: "_ZTS12TypedefUnion")
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
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// CHECK-SAME: flags: DIFlagFwdDecl,
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// CHECK-SAME: identifier: "_ZTS11TypedefEnum")
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// CHECK: !DICompositeType(tag: DW_TAG_structure_type,
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// CHECK-SAME: flags: DIFlagFwdDecl,
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// CHECK-SAME: identifier: "_ZTS13TypedefStruct")
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// This one isn't.
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// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "Template1<void *>",
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// CHECK-SAME: elements:
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// CHECK-SAME: templateParams:
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// CHECK-SAME: identifier: "_ZTS9Template1IPvE")
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// This type is anchored in the module by an explicit template instantiation.
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// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "Template1<int>",
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// CHECK-SAME: flags: DIFlagFwdDecl,
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// CHECK-SAME: identifier: "_ZTS9Template1IiE")
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// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "FwdDeclTemplate<int>",
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// CHECK-SAME: elements:
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// CHECK-SAME: templateParams:
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// CHECK-SAME: identifier: "_ZTS15FwdDeclTemplateIiE")
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// This type is defined locally and forward-declared in the module.
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// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "PureFwdDecl",
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// CHECK-SAME: elements:
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// CHECK-SAME: identifier: "_ZTS11PureFwdDecl")
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// This type is defined locally and forward-declared in the module.
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// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "Member",
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// CHECK-SAME: elements:
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// CHECK-SAME: identifier: "_ZTSN11SpecializedIiE6MemberE")
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// This type is defined locally and forward-declared in the module.
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// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "Member",
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// CHECK-SAME: elements:
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// CHECK-SAME: identifier: "_ZTSN21FwdDeclTemplateMemberIiE6MemberE")
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// This type is defined locally and forward-declared in the module.
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// CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "SpecializedBase",
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// CHECK-SAME: baseType: ![[SPECIALIZEDBASE:.*]])
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// CHECK: ![[SPECIALIZEDBASE]] =
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// CHECK-SAME: !DICompositeType(tag: DW_TAG_class_type,
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// CHECK-SAME: name: "WithSpecializedBase<float>",
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// CHECK-SAME: elements:
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// CHECK-SAME: identifier: "_ZTS19WithSpecializedBaseIfE")
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// This type is explicitly specialized locally.
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// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "WithSpecializedBase<int>",
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// CHECK-SAME: elements:
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// CHECK-SAME: identifier: "_ZTS19WithSpecializedBaseIiE")
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// CHECK: !DIGlobalVariable(name: "anon_enum", {{.*}}, type: ![[ANON_ENUM:[0-9]+]]
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, scope: ![[NS]],
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// CHECK-SAME: line: 19
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// CHECK: !DIGlobalVariable(name: "GlobalUnion",
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// CHECK-SAME: type: ![[GLOBAL_UNION:[0-9]+]]
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// CHECK: ![[GLOBAL_UNION]] = distinct !DICompositeType(tag: DW_TAG_union_type,
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// CHECK-SAME: elements: !{{[0-9]+}})
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// CHECK: !DIGlobalVariable(name: "GlobalStruct",
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// CHECK-SAME: type: ![[GLOBAL_STRUCT:[0-9]+]]
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// CHECK: ![[GLOBAL_STRUCT]] = distinct !DICompositeType(tag: DW_TAG_structure_type,
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// CHECK-SAME: elements: !{{[0-9]+}})
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// CHECK: !DIGlobalVariable(name: "anon",
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// CHECK-SAME: type: ![[GLOBAL_ANON:[0-9]+]]
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// CHECK: ![[GLOBAL_ANON]] = !DICompositeType(tag: DW_TAG_structure_type,
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// CHECK-SAME: name: "InAnonymousNamespace", {{.*}}DIFlagFwdDecl)
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// CHECK: !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !{{[0-9]+}}, entity: ![[STRUCT]], file: ![[CPP]], line: 27)
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// CHECK: !DICompileUnit(
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// CHECK-SAME: splitDebugFilename:
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// CHECK-SAME: dwoId:
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// CHECK-PCH: !DICompileUnit({{.*}}splitDebugFilename:
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// CHECK-PCH: dwoId: 18446744073709551614
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// CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "A",
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// CHECK-SAME: DIFlagFwdDecl
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// There is a full definition of the type available in the module.
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// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "Virtual",
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// CHECK-SAME: DIFlagFwdDecl
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// CHECK-SAME: identifier: "_ZTS7Virtual")
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