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      1 // Test that (the same) debug info is emitted for an Objective-C++
      2 // module and a C++ precompiled header.
      3 
      4 // REQUIRES: asserts, shell
      5 
      6 // Modules:
      7 // RUN: rm -rf %t
      8 // RUN: %clang_cc1 -triple %itanium_abi_triple -x objective-c++ -std=c++11 -debug-info-kind=limited -fmodules -fmodule-format=obj -fimplicit-module-maps -DMODULES -fmodules-cache-path=%t %s -I %S/Inputs -I %t -emit-llvm -o %t.ll -mllvm -debug-only=pchcontainer &>%t-mod.ll
      9 // RUN: cat %t-mod.ll | FileCheck %s
     10 // RUN: cat %t-mod.ll | FileCheck --check-prefix=CHECK-NEG %s
     11 
     12 // PCH:
     13 // RUN: %clang_cc1 -triple %itanium_abi_triple -x c++ -std=c++11 -emit-pch -fmodule-format=obj -I %S/Inputs -o %t.pch %S/Inputs/DebugCXX.h -mllvm -debug-only=pchcontainer &>%t-pch.ll
     14 // RUN: cat %t-pch.ll | FileCheck %s
     15 // RUN: cat %t-pch.ll | FileCheck --check-prefix=CHECK-NEG %s
     16 
     17 #ifdef MODULES
     18 @import DebugCXX;
     19 #endif
     20 
     21 // CHECK: distinct !DICompileUnit(language: DW_LANG_{{.*}}C_plus_plus,
     22 // CHECK-SAME:                    isOptimized: false,
     23 // CHECK-NOT:                     splitDebugFilename:
     24 // CHECK-SAME:                    dwoId:
     25 
     26 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "Enum"
     27 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX4EnumE")
     28 // CHECK: !DINamespace(name: "DebugCXX"
     29 
     30 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
     31 // CHECK-NOT:              name:
     32 // CHECK-SAME:             )
     33 
     34 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
     35 // CHECK-NOT:              name:
     36 // CHECK-SAME:             )
     37 
     38 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
     39 // CHECK-NOT:              name:
     40 // CHECK-SAME:             identifier: "_ZTS11TypedefEnum")
     41 
     42 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
     43 // CHECK-NOT:              name:
     44 // CHECK-SAME:             )
     45 // CHECK: !DIEnumerator(name: "e5", value: 5)
     46 
     47 // CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "B",
     48 // no mangled name here yet.
     49 
     50 // This type is anchored by a function parameter.
     51 // CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "A<void>"
     52 // CHECK-SAME:             templateParams:
     53 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX1AIJvEEE")
     54 
     55 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "Struct"
     56 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX6StructE")
     57 
     58 // This type is anchored by an explicit template instantiation.
     59 // CHECK: !DICompositeType(tag: DW_TAG_class_type,
     60 // CHECK-SAME:             name: "Template<int, DebugCXX::traits<int> >"
     61 // CHECK-SAME:             templateParams:
     62 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX8TemplateIiNS_6traitsIiEEEE")
     63 
     64 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "traits<int>"
     65 // CHECK-SAME:             flags: DIFlagFwdDecl
     66 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX6traitsIiEE")
     67 
     68 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "traits<float>"
     69 // CHECK-SAME:             templateParams:
     70 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX6traitsIfEE")
     71 
     72 // CHECK: !DICompositeType(tag: DW_TAG_class_type,
     73 // CHECK-SAME:             name: "Template<long, DebugCXX::traits<long> >"
     74 // CHECK-SAME:             templateParams:
     75 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX8TemplateIlNS_6traitsIlEEEE")
     76 
     77 // CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "FloatInstantiation"
     78 // no mangled name here yet.
     79 
     80 // CHECK: !DICompositeType(tag: DW_TAG_class_type,
     81 // CHECK-SAME:             name: "Template<float, DebugCXX::traits<float> >"
     82 // CHECK-SAME:             flags: DIFlagFwdDecl
     83 // CHECK-SAME:             identifier: "_ZTSN8DebugCXX8TemplateIfNS_6traitsIfEEEE")
     84 
     85 // CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "FwdVirtual"
     86 // CHECK-SAME:             elements:
     87 // CHECK-SAME:             identifier: "_ZTS10FwdVirtual")
     88 // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "_vptr$FwdVirtual"
     89 
     90 // CHECK: !DICompositeType(tag: DW_TAG_union_type,
     91 // CHECK-NOT:              name:
     92 // CHECK-SAME:             identifier: "_ZTS12TypedefUnion")
     93 
     94 // CHECK: !DICompositeType(tag: DW_TAG_structure_type,
     95 // CHECK-NOT:              name:
     96 // CHECK-SAME:             identifier: "_ZTS13TypedefStruct")
     97 
     98 // CHECK: !DICompositeType(tag: DW_TAG_union_type,
     99 // CHECK-NOT:              name:
    100 // CHECK-SAME:             )
    101 
    102 // CHECK: !DICompositeType(tag: DW_TAG_structure_type,
    103 // CHECK-NOT:              name:
    104 // CHECK-SAME:             )
    105 
    106 // CHECK: !DICompositeType(tag: DW_TAG_structure_type,
    107 // CHECK-SAME:             name: "InAnonymousNamespace",
    108 // CHECK-SAME:             elements: !{{[0-9]+}})
    109 
    110 // CHECK: ![[DERIVED:.*]] = {{.*}}!DICompositeType(tag: DW_TAG_class_type, name: "Derived",
    111 // CHECK-SAME:                                     identifier: "_ZTS7Derived")
    112 // CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "B", scope: ![[DERIVED]],
    113 // CHECK-SAME:             elements: ![[B_MBRS:.*]], vtableHolder:
    114 // CHECK: ![[B_MBRS]] = !{{{.*}}, ![[GET_PARENT:.*]]}
    115 // CHECK: ![[GET_PARENT]] = !DISubprogram(name: "getParent"
    116 
    117 // CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "TypedefTemplate",
    118 // CHECK-SAME:           baseType: ![[BASE:.*]])
    119 // CHECK: ![[BASE]] = !DICompositeType(tag: DW_TAG_class_type,
    120 // CHECK-SAME:                         name: "Template1<void *>",
    121 // CHECK-SAME:                         flags: DIFlagFwdDecl,
    122 // CHECK-SAME:                         identifier: "_ZTS9Template1IPvE")
    123 
    124 // Explicit instatiation.
    125 // CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "Template1<int>",
    126 // CHECK-SAME:             templateParams:
    127 // CHECK-SAME:             identifier: "_ZTS9Template1IiE")
    128 
    129 // CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "FwdDeclTemplate<int>",
    130 // CHECK-SAME:             flags: DIFlagFwdDecl
    131 // CHECK-SAME:             identifier: "_ZTS15FwdDeclTemplateIiE")
    132 
    133 // Forward-declared member of a template.
    134 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "Member",
    135 // CHECK-SAME:             flags: DIFlagFwdDecl
    136 // CHECK-SAME:             identifier: "_ZTSN21FwdDeclTemplateMemberIiE6MemberE")
    137 
    138 // CHECK-NEG-NOT: !DICompositeType(tag: DW_TAG_structure_type, name: "PureForwardDecl"
    139