clang/test/CodeGen/preferred_name-chain.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> BarIntBase;
   8 typedef BarIntBase BarIntTmp;
   9 typedef BarIntTmp BarInt;
  10
  11 template <typename T>
  12 using BarBase = Foo<T>;
  13
  14 template <typename T>
  15 using BarTmp = BarBase<T>;
  16
  17 template <typename T>
  18 using Bar = BarTmp<T>;
  19
  20 template <typename T>
  21 struct [[clang::preferred_name(BarInt),
  22          clang::preferred_name(Bar<char>)]] Foo{
  23          };
  24
  25 int main() {
  26     Foo<int> varInt;
  27
  28 // COMMON: !DILocalVariable(name: "varInt", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_INT_TY:[0-9]+]])
  29 // LLDB:   ![[BAR_INT_TY]] = !DIDerivedType(tag: DW_TAG_typedef, name: "BarInt", file: ![[#]], line: [[#]], baseType: ![[BAR_INT_TMP:[0-9]+]])
  30 // LLDB:   ![[BAR_INT_TMP]] = !DIDerivedType(tag: DW_TAG_typedef, name: "BarIntTmp", file: ![[#]], line: [[#]], baseType: ![[BAR_INT_BASE:[0-9]+]])
  31 // LLDB:   ![[BAR_INT_BASE]] = !DIDerivedType(tag: DW_TAG_typedef, name: "BarIntBase", file: ![[#]], line: [[#]], baseType: ![[FOO_INT:[0-9]+]])
  32 // LLDB:   ![[FOO_INT]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<int>", file: ![[#]], line: [[#]], size: [[#]]
  33 // GDB:    ![[BAR_INT_TY]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<int>", file: ![[#]], line: [[#]], size: [[#]]
  34
  35     Foo<char> varChar;
  36
  37 // COMMON: !DILocalVariable(name: "varChar", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[BAR_CHAR_TY:[0-9]+]])
  38 // LLDB:   ![[BAR_CHAR_TY]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Bar<char>", file: ![[#]], line: [[#]], baseType: ![[BAR_CHAR_TMP:[0-9]+]])
  39 // LLDB:   ![[BAR_CHAR_TMP]] = !DIDerivedType(tag: DW_TAG_typedef, name: "BarTmp<char>", file: ![[#]], line: [[#]], baseType: ![[BAR_CHAR_BASE:[0-9]+]])
  40 // LLDB:   ![[BAR_CHAR_BASE]] = !DIDerivedType(tag: DW_TAG_typedef, name: "BarBase<char>", file: ![[#]], line: [[#]], baseType: ![[FOO_CHAR:[0-9]+]])
  41 // LLDB:   ![[FOO_CHAR]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<char>"
  42 // GDB:    ![[BAR_CHAR_TY]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<char>"
  43
  44     Foo<Foo<int>> varFooInt;
  45
  46 // COMMON:      !DILocalVariable(name: "varFooInt", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[FOO_BAR_INT_TY:[0-9]+]])
  47 // COMMON:      ![[FOO_BAR_INT_TY]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<Foo<int> >"
  48 // COMMON-SAME: templateParams: ![[PARAM:[0-9]+]]
  49 // COMMON:      ![[PARAM]] = !{![[TEMPL_TYPE_PARAM:[0-9]+]]}
  50 // GDB:         ![[TEMPL_TYPE_PARAM]] = !DITemplateTypeParameter(name: "T", type: ![[BAR_INT_TY]])
  51 // LLDB:        ![[TEMPL_TYPE_PARAM]] = !DITemplateTypeParameter(name: "T", type: ![[BAR_INT_TY]])
  52
  53     Foo<Foo<char>> varFooChar;
  54
  55 // COMMON:      !DILocalVariable(name: "varFooChar", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[FOO_BAR_CHAR_TY:[0-9]+]])
  56 // COMMON:      ![[FOO_BAR_CHAR_TY]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo<Foo<char> >"
  57 // COMMON-SAME: templateParams: ![[CHAR_PARAM:[0-9]+]]
  58 // COMMON:      ![[CHAR_PARAM]] = !{![[CHAR_TEMPL_TYPE_PARAM:[0-9]+]]}
  59 // GDB:         ![[CHAR_TEMPL_TYPE_PARAM]] = !DITemplateTypeParameter(name: "T", type: ![[BAR_CHAR_TY]])
  60 // LLDB:        ![[CHAR_TEMPL_TYPE_PARAM]] = !DITemplateTypeParameter(name: "T", type: ![[BAR_CHAR_TY]])
  61
  62     return 0;
  63 }
  64
  65