clang/test/CodeGenCXX/debug-info-codeview-nested-types.cpp

   1 // RUN: %clang_cc1 %s -std=c++11 -triple=x86_64-pc-windows-msvc -debug-info-kind=limited -gcodeview -emit-llvm -o - | FileCheck %s
   2
   3 struct HasNested {
   4   enum InnerEnum { _BUF_SIZE = 1 };
   5   typedef int InnerTypedef;
   6   enum { InnerEnumerator = 2 };
   7   struct InnerStruct { };
   8
   9   union { int i1; };
  10   union { int i2; } unnamed_union;
  11   struct { int i3; };
  12   struct { int i4; } unnamed_struct;
  13 };
  14 HasNested f;
  15
  16 // CHECK: ![[INNERENUM:[0-9]+]] = !DICompositeType(tag: DW_TAG_enumeration_type, name: "InnerEnum", {{.*}})
  17 // CHECK: ![[HASNESTED:[0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "HasNested",
  18 // CHECK-SAME: elements: ![[MEMBERS:[0-9]+]],
  19 //
  20 // CHECK: ![[MEMBERS]] = !{![[INNERENUM]], ![[INNERTYPEDEF:[0-9]+]], ![[UNNAMEDENUM:[0-9]+]], ![[INNERSTRUCT:[0-9]+]], ![[ANONYMOUS_UNION:[0-9]+]], ![[UNNAMED_UNION_TYPE:[0-9]+]], ![[UNNAMED_UNION:[0-9]+]], ![[ANONYMOUS_STRUCT:[0-9]+]], ![[UNNAMED_STRUCT_TYPE:[0-9]+]], ![[UNNAMED_STRUCT:[0-9]+]]}
  21 //
  22 // CHECK: ![[INNERTYPEDEF]] = !DIDerivedType(tag: DW_TAG_typedef, name: "InnerTypedef", scope: ![[HASNESTED]]{{.*}})
  23 //
  24 // CHECK: ![[UNNAMEDENUM]] = !DICompositeType(tag: DW_TAG_enumeration_type, scope: ![[HASNESTED]],
  25 // CHECK-SAME: elements: ![[UNNAMEDMEMBERS:[0-9]+]],
  26 // CHECK: ![[UNNAMEDMEMBERS]] = !{![[INNERENUMERATOR:[0-9]+]]}
  27 // CHECK: ![[INNERENUMERATOR]] = !DIEnumerator(name: "InnerEnumerator", value: 2)
  28 //
  29 // CHECK: ![[INNERSTRUCT]] = !DICompositeType(tag: DW_TAG_structure_type, name: "InnerStruct"
  30 // CHECK-SAME: flags: DIFlagFwdDecl
  31
  32 // CHECK: ![[ANONYMOUS_UNION]] = !DIDerivedType(tag: DW_TAG_member,
  33 // CHECK-SAME: baseType: ![[ANONYMOUS_UNION_TYPE:[0-9]+]]
  34 // CHECK: ![[ANONYMOUS_UNION_TYPE]] = distinct !DICompositeType(tag: DW_TAG_union_type,
  35 // CHECK-SAME: elements: ![[ANONYMOUS_UNION_MEMBERS:[0-9]+]], identifier: ".?AT<unnamed-type-$S1>@HasNested@@")
  36 // CHECK: ![[ANONYMOUS_UNION_MEMBERS]] = !{![[ANONYMOUS_UNION_MEMBER:[0-9]+]]}
  37 // CHECK: ![[ANONYMOUS_UNION_MEMBER]] = !DIDerivedType(tag: DW_TAG_member, name: "i1"
  38
  39 // CHECK: ![[UNNAMED_UNION_TYPE]] = distinct !DICompositeType(tag: DW_TAG_union_type, name: "<unnamed-type-unnamed_union>"
  40 // CHECK-SAME: elements: ![[UNNAMED_UNION_MEMBERS:[0-9]+]], identifier: ".?AT<unnamed-type-unnamed_union>@HasNested@@")
  41 // CHECK: ![[UNNAMED_UNION_MEMBERS]] = !{![[UNNAMED_UNION_MEMBER:[0-9]+]]}
  42 // CHECK: ![[UNNAMED_UNION_MEMBER]] = !DIDerivedType(tag: DW_TAG_member, name: "i2"
  43 // CHECK: ![[UNNAMED_UNION]] = !DIDerivedType(tag: DW_TAG_member, name: "unnamed_union"
  44 // CHECK-SAME: baseType: ![[UNNAMED_UNION_TYPE]]
  45
  46 // CHECK: ![[ANONYMOUS_STRUCT]] = !DIDerivedType(tag: DW_TAG_member
  47 // CHECK-SAME: baseType: ![[ANONYMOUS_STRUCT_TYPE:[0-9]+]]
  48 // CHECK: ![[ANONYMOUS_STRUCT_TYPE]] = distinct !DICompositeType(tag: DW_TAG_structure_type
  49 // CHECK-SAME: elements: ![[ANONYMOUS_STRUCT_MEMBERS:[0-9]+]], identifier: ".?AU<unnamed-type-$S2>@HasNested@@")
  50 // CHECK: ![[ANONYMOUS_STRUCT_MEMBERS]] = !{![[ANONYMOUS_STRUCT_MEMBER:[0-9]+]]}
  51 // CHECK: ![[ANONYMOUS_STRUCT_MEMBER]] = !DIDerivedType(tag: DW_TAG_member, name: "i3"
  52
  53 // CHECK: ![[UNNAMED_STRUCT_TYPE]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<unnamed-type-unnamed_struct>"
  54 // CHECK-SAME: elements: ![[UNNAMED_STRUCT_MEMBERS:[0-9]+]], identifier: ".?AU<unnamed-type-unnamed_struct>@HasNested@@")
  55 // CHECK: ![[UNNAMED_STRUCT_MEMBERS]] = !{![[UNNAMED_STRUCT_MEMBER:[0-9]+]]}
  56 // CHECK: ![[UNNAMED_STRUCT_MEMBER]] = !DIDerivedType(tag: DW_TAG_member, name: "i4"
  57 // CHECK: ![[UNNAMED_STRUCT]] = !DIDerivedType(tag: DW_TAG_member, name: "unnamed_struct"
  58 // CHECK-SAME: baseType: ![[UNNAMED_STRUCT_TYPE]]