clang/test/CodeGenCXX/variadic-template-alias.cpp

   1 // RUN: %clang_cc1 -triple x86_64-unk-unk -o - -emit-llvm -debug-info-kind=standalone -gtemplate-alias %s -gsimple-template-names=simple \
   2 // RUN: | FileCheck %s
   3
   4 //// Check that -gtemplate-alias causes DW_TAG_template_alias emission for
   5 //// variadic template aliases. See template-alias.cpp for more template alias
   6 //// tests.
   7
   8 template<typename Y, int Z>
   9 struct X {
  10   Y m1 = Z;
  11 };
  12
  13 template<int I, typename... Ts>
  14 using A = X<Ts..., I>;
  15
  16 A<5, int> a;
  17
  18 // CHECK: !DIDerivedType(tag: DW_TAG_template_alias, name: "A", file: ![[#]], line: [[#]], baseType: ![[baseType:[0-9]+]], extraData: ![[extraData:[0-9]+]])
  19 // CHECK: ![[baseType]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "X",
  20 // CHECK: ![[int:[0-9]+]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
  21 // CHECK: ![[extraData]] = !{![[I:[0-9]+]], ![[Ts:[0-9]+]]}
  22 // CHECK: ![[I]] = !DITemplateValueParameter(name: "I", type: ![[int]], value: i32 5)
  23 // CHECK: ![[Ts]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "Ts", value: ![[types:[0-9]+]])
  24 // CHECK: ![[types]] = !{![[int_template_param:[0-9]+]]}
  25 // CHECK: ![[int_template_param]] = !DITemplateTypeParameter(type: ![[int]])