forked from OSchip/llvm-project
80 lines
3.6 KiB
C++
80 lines
3.6 KiB
C++
// Test without serialization:
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// RUN: %clang_cc1 -fsyntax-only %s -ast-dump -std=c++17 | FileCheck %s
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//
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// Test with serialization:
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// RUN: %clang_cc1 -std=c++17 -emit-pch -o %t %s
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// RUN: %clang_cc1 -x c++ -std=c++17 -include-pch %t -ast-dump-all /dev/null \
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// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
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// RUN: | FileCheck %s
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namespace PR46111 {
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template <typename>
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struct S;
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template <typename T>
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struct HasDeductionGuide {
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typedef PR46111::S<T> STy;
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HasDeductionGuide(typename STy::Child);
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};
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// This causes deduction guides to be generated for all constructors.
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HasDeductionGuide()->HasDeductionGuide<int>;
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template <typename T>
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struct HasDeductionGuideTypeAlias {
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using STy = PR46111::S<T>;
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HasDeductionGuideTypeAlias(typename STy::Child);
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};
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// This causes deduction guides to be generated for all constructors.
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HasDeductionGuideTypeAlias()->HasDeductionGuideTypeAlias<int>;
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// The parameter to this one shouldn't be an elaborated type.
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// CHECK: CXXDeductionGuideDecl {{.*}} implicit <deduction guide for HasDeductionGuide> 'auto (typename STy::Child) -> HasDeductionGuide<T>'
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// CHECK: CXXDeductionGuideDecl {{.*}} implicit <deduction guide for HasDeductionGuide> 'auto (HasDeductionGuide<T>) -> HasDeductionGuide<T>'
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// CHECK: CXXDeductionGuideDecl {{.*}} <deduction guide for HasDeductionGuide> 'auto () -> HasDeductionGuide<int>'
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// CHECK: CXXDeductionGuideDecl {{.*}} implicit <deduction guide for HasDeductionGuideTypeAlias> 'auto (typename STy::Child) -> HasDeductionGuideTypeAlias<T>'
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// CHECK: CXXDeductionGuideDecl {{.*}} implicit <deduction guide for HasDeductionGuideTypeAlias> 'auto (HasDeductionGuideTypeAlias<T>) -> HasDeductionGuideTypeAlias<T>'
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// CHECK: CXXDeductionGuideDecl {{.*}} <deduction guide for HasDeductionGuideTypeAlias> 'auto () -> HasDeductionGuideTypeAlias<int>'
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} // namespace PR46111
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namespace PR48177 {
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template <class A> struct Base {
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using type_alias = A;
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};
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template<class T, int S, class A>
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struct Derived : Base<A> {
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using type_alias = typename Derived::type_alias;
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Derived(Derived &&, typename Derived::type_alias const&);
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Derived(T);
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};
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template<class T, class A>
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Derived(T, A) -> Derived<T, 1, A>;
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void init() {
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Derived d {1,2};
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}
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} // namespace PR48177
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// CHECK: CXXRecordDecl {{.*}} struct Derived
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// CHECK: TypeAliasDecl {{.*}} type_alias 'typename Derived<T, S, A>::type_alias'
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// CHECK-NEXT: DependentNameType {{.*}} 'typename Derived<T, S, A>::type_alias' dependent
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// CHECK: CXXRecordDecl {{.*}} struct Derived
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// CHECK: TypeAliasDecl {{.*}} type_alias 'typename Derived<int, 1, int>::type_alias':'int'
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// CHECK-NEXT: ElaboratedType {{.*}} 'typename Derived<int, 1, int>::type_alias' sugar
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// CHECK-NEXT: TypedefType {{.*}} 'PR48177::Base<int>::type_alias' sugar
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// CHECK-NEXT: TypeAlias {{.*}} 'type_alias'
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// CHECK-NEXT: SubstTemplateTypeParmType {{.*}} 'int' sugar
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// CHECK-NEXT: TemplateTypeParmType {{.*}} 'A'
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// CHECK-NEXT: TemplateTypeParm {{.*}} 'A'
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// CHECK-NEXT: BuiltinType {{.*}} 'int'
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// CHECK: CXXDeductionGuideDecl {{.*}} implicit <deduction guide for Derived> 'auto (Derived<T, S, A> &&, const typename Derived<T, S, A>::type_alias &) -> Derived<T, S, A>'
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// CHECK: CXXDeductionGuideDecl {{.*}} implicit <deduction guide for Derived> 'auto (T) -> Derived<T, S, A>'
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// CHECK: CXXDeductionGuideDecl {{.*}} implicit <deduction guide for Derived> 'auto (Derived<T, S, A>) -> Derived<T, S, A>'
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// CHECK: CXXDeductionGuideDecl {{.*}} <deduction guide for Derived> 'auto (T, A) -> Derived<T, 1, A>'
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// CHECK: CXXDeductionGuideDecl {{.*}} <deduction guide for Derived> 'auto (int, int) -> Derived<int, 1, int>'
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