clang/test/CodeGen/preferred_name.cpp

   1 // RUN: %clang_cc1 -triple x86_64-unk-unk -o - -emit-llvm -debug-info-kind=standalone -debugger-tuning=lldb %s | FileCheck %s --check-prefixes=COMMON,LLDB
   2 // RUN: %clang_cc1 -triple x86_64-unk-unk -o - -emit-llvm -debug-info-kind=standalone -debugger-tuning=gdb %s | FileCheck %s --check-prefixes=COMMON,GDB
   3
   4 template <typename T>
   5 struct Foo;
   6
   7 typedef Foo<int> BarInt;
   8 typedef Foo<double> BarDouble;
   9
  10 template <typename T>
  11 using Bar = Foo<T>;
  12
  13 template <typename T>
  14 struct [[clang::preferred_name(BarInt),
  15          clang::preferred_name(BarDouble),
  16          clang::preferred_name(Bar<short>),
  17          clang::preferred_name(Bar<char>)]] Foo{
  18          };
  19
  20 int main() {
  21     Foo<int> varInt;
  22
  23 // COMMON: !DILocalVariable(name: "varInt", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_INT_TY:[0-9]+]])
  24 // LLDB:   ![[BAR_INT_TY]] = !DIDerivedType(tag: DW_TAG_typedef, name: "BarInt", file: ![[#]], line: [[#]], baseType: ![[BAR_INT_BASE:[0-9]+]])
  25 // LLDB:   ![[BAR_INT_BASE]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<int>", file: ![[#]], line: [[#]], size: [[#]]
  26 // GDB:    ![[BAR_INT_TY]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<int>", file: ![[#]], line: [[#]], size: [[#]]
  27
  28     Foo<double> varDouble;
  29
  30 // COMMON: !DILocalVariable(name: "varDouble", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_DOUBLE_TY:[0-9]+]])
  31 // LLDB:   ![[BAR_DOUBLE_TY]] = !DIDerivedType(tag: DW_TAG_typedef, name: "BarDouble", file: ![[#]], line: [[#]], baseType: ![[BAR_DOUBLE_BASE:[0-9]+]])
  32 // LLDB:   ![[BAR_DOUBLE_BASE]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<double>"
  33 // GDB:    ![[BAR_DOUBLE_TY]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<double>"
  34
  35     Foo<short> varShort;
  36
  37 // COMMON: !DILocalVariable(name: "varShort", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_SHORT_TY:[0-9]+]])
  38 // LLDB:   ![[BAR_SHORT_TY]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Bar<short>", file: ![[#]], line: [[#]], baseType: ![[BAR_SHORT_BASE:[0-9]+]])
  39 // LLDB:   ![[BAR_SHORT_BASE]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<short>"
  40 // GDB:    ![[BAR_SHORT_TY]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<short>"
  41
  42     Foo<char> varChar;
  43
  44 // COMMON: !DILocalVariable(name: "varChar", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_CHAR_TY:[0-9]+]])
  45 // LLDB:   ![[BAR_CHAR_TY]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Bar<char>", file: ![[#]], line: [[#]], baseType: ![[BAR_CHAR_BASE:[0-9]+]])
  46 // LLDB:   ![[BAR_CHAR_BASE]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<char>"
  47 // GDB:    ![[BAR_CHAR_TY]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<char>"
  48
  49     Foo<Foo<int>> varFooInt;
  50
  51 // COMMON:      !DILocalVariable(name: "varFooInt", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[FOO_BAR_INT_TY:[0-9]+]])
  52 // COMMON:      ![[FOO_BAR_INT_TY]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<Foo<int> >"
  53 // COMMON-SAME: templateParams: ![[PARAM:[0-9]+]]
  54 // COMMON:      ![[PARAM]] = !{![[TEMPL_TYPE_PARAM:[0-9]+]]}
  55 // GDB:         ![[TEMPL_TYPE_PARAM]] = !DITemplateTypeParameter(name: "T", type: ![[BAR_INT_TY]])
  56 // LLDB:        ![[TEMPL_TYPE_PARAM]] = !DITemplateTypeParameter(name: "T", type: ![[BAR_INT_TY]])
  57
  58     BarInt barInt;
  59
  60 // LLDB:   !DILocalVariable(name: "barInt", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_INT_TY]])
  61 // GDB:    !DILocalVariable(name: "barInt", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_INT_TYPEDEF:[0-9]+]])
  62 // GDB:    ![[BAR_INT_TYPEDEF]] = !DIDerivedType(tag: DW_TAG_typedef, name: "BarInt"
  63
  64     BarDouble barDouble;
  65
  66 // LLDB:   !DILocalVariable(name: "barDouble", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_DOUBLE_TY]])
  67 // GDB:    !DILocalVariable(name: "barDouble", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_DOUBLE_TYPEDEF:[0-9]+]])
  68 // GDB:    ![[BAR_DOUBLE_TYPEDEF]] = !DIDerivedType(tag: DW_TAG_typedef, name: "BarDouble"
  69
  70     Bar<short> barShort;
  71
  72 // LLDB:   !DILocalVariable(name: "barShort", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_SHORT_TY_2:[0-9]+]])
  73 // GDB:    !DILocalVariable(name: "barShort", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_SHORT_TYPEDEF:[0-9]+]])
  74 // GDB:    ![[BAR_SHORT_TYPEDEF]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Bar<short>"
  75
  76     Bar<char> barChar;
  77
  78 // LLDB:   ![[BAR_SHORT_TY_2]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Bar<short>", file: ![[#]], line: [[#]], baseType: ![[BAR_SHORT_TY]])
  79
  80 // LLDB:   !DILocalVariable(name: "barChar", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_CHAR_TY_2:[0-9]+]])
  81 // GDB:    !DILocalVariable(name: "barChar", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_CHAR_TYPEDEF:[0-9]+]])
  82 // GDB:    ![[BAR_CHAR_TYPEDEF]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Bar<char>"
  83
  84 // LLDB:   ![[BAR_CHAR_TY_2]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Bar<char>", file: ![[#]], line: [[#]], baseType: ![[BAR_CHAR_TY]])
  85
  86     return 0;
  87 }
  88
  89