| // RUN: %clang_cc1 -std=c++2a -verify -ast-dump -ast-dump-decl-types -ast-dump-filter "deduction guide" %s | FileCheck %s --strict-whitespace |
| |
| template<auto ...> struct X {}; |
| template<template<typename X, X> typename> struct Y {}; |
| template<typename ...> struct Z {}; |
| |
| template<typename T, typename ...Ts> struct A { |
| template<Ts ...Ns, T *...Ps> A(X<Ps...>, Ts (*...qs)[Ns]); |
| }; |
| int arr1[3], arr2[3]; |
| short arr3[4]; |
| A a(X<&arr1, &arr2>{}, &arr1, &arr2, &arr3); |
| using AT = decltype(a); |
| using AT = A<int[3], int, int, short>; |
| |
| // CHECK-LABEL: Dumping <deduction guide for A>: |
| // CHECK: FunctionTemplateDecl |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 0 T |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 1 ... Ts |
| // CHECK: |-NonTypeTemplateParmDecl {{.*}} 'Ts...' depth 0 index 2 ... Ns |
| // CHECK: |-NonTypeTemplateParmDecl {{.*}} 'T *' depth 0 index 3 ... Ps |
| // CHECK: |-CXXDeductionGuideDecl |
| // CHECK: | |-ParmVarDecl {{.*}} 'X<Ps...>' |
| // CHECK: | `-ParmVarDecl {{.*}} 'Ts (*)[Ns]...' pack |
| // CHECK: `-CXXDeductionGuideDecl |
| // CHECK: |-TemplateArgument type 'int[3]' |
| // CHECK: |-TemplateArgument pack |
| // CHECK: | |-TemplateArgument type 'int' |
| // CHECK: | |-TemplateArgument type 'int' |
| // CHECK: | `-TemplateArgument type 'short' |
| // CHECK: |-TemplateArgument pack |
| // CHECK: | |-TemplateArgument integral '3' |
| // CHECK: | |-TemplateArgument integral '3' |
| // CHECK: | `-TemplateArgument integral '(short)4' |
| // CHECK: |-TemplateArgument pack |
| // CHECK: | |-TemplateArgument decl |
| // CHECK: | | `-Var {{.*}} 'arr1' 'int[3]' |
| // CHECK: | `-TemplateArgument decl |
| // CHECK: | `-Var {{.*}} 'arr2' 'int[3]' |
| // CHECK: |-ParmVarDecl {{.*}} 'X<&arr1, &arr2>' |
| // CHECK: |-ParmVarDecl {{.*}} 'int (*)[3]' |
| // CHECK: |-ParmVarDecl {{.*}} 'int (*)[3]' |
| // CHECK: `-ParmVarDecl {{.*}} 'short (*)[4]' |
| // CHECK: FunctionProtoType {{.*}} 'auto (X<Ps...>, Ts (*)[Ns]...) -> A<T, Ts...>' dependent trailing_return |
| // CHECK: |-InjectedClassNameType {{.*}} 'A<T, Ts...>' dependent |
| // CHECK: |-ElaboratedType {{.*}} 'X<Ps...>' sugar dependent |
| // CHECK: | `-TemplateSpecializationType {{.*}} 'X<Ps...>' dependent |
| // CHECK: | `-TemplateArgument expr |
| // CHECK: | `-PackExpansionExpr {{.*}} 'T *' |
| // CHECK: | `-DeclRefExpr {{.*}} 'T *' NonTypeTemplateParm {{.*}} 'Ps' 'T *' |
| // CHECK: `-PackExpansionType {{.*}} 'Ts (*)[Ns]...' dependent |
| // CHECK: `-PointerType {{.*}} 'Ts (*)[Ns]' dependent contains_unexpanded_pack |
| // CHECK: `-ParenType {{.*}} 'Ts[Ns]' sugar dependent contains_unexpanded_pack |
| // CHECK: `-DependentSizedArrayType {{.*}} 'Ts[Ns]' dependent contains_unexpanded_pack |
| // CHECK: |-TemplateTypeParmType {{.*}} 'Ts' dependent contains_unexpanded_pack depth 0 index 1 pack |
| // CHECK: | `-TemplateTypeParm {{.*}} 'Ts' |
| // CHECK: `-DeclRefExpr {{.*}} 'Ts' NonTypeTemplateParm {{.*}} 'Ns' 'Ts...' |
| |
| template<typename T, T V> struct B { |
| template<typename U, U W> B(X<W, V>); |
| }; |
| B b(X<nullptr, 'x'>{}); |
| using BT = decltype(b); |
| using BT = B<char, 'x'>; |
| |
| // CHECK-LABEL: Dumping <deduction guide for B>: |
| // CHECK: FunctionTemplateDecl |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 0 T |
| // CHECK: |-NonTypeTemplateParmDecl {{.*}} 'T' depth 0 index 1 V |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 2 U |
| // CHECK: |-NonTypeTemplateParmDecl {{.*}} 'type-parameter-0-2' depth 0 index 3 W |
| // CHECK: |-CXXDeductionGuideDecl {{.*}} 'auto (X<W, V>) -> B<T, V>' |
| // CHECK: | `-ParmVarDecl {{.*}} 'X<W, V>' |
| // CHECK: `-CXXDeductionGuideDecl {{.*}} 'auto (X<nullptr, 'x'>) -> B<char, 'x'>' |
| // CHECK: |-TemplateArgument type 'char' |
| // CHECK: |-TemplateArgument integral ''x'' |
| // CHECK: |-TemplateArgument type 'std::nullptr_t' |
| // CHECK: |-TemplateArgument nullptr |
| // CHECK: `-ParmVarDecl {{.*}} 'X<nullptr, 'x'>' |
| // CHECK: FunctionProtoType {{.*}} 'auto (X<W, V>) -> B<T, V>' dependent trailing_return |
| // CHECK: |-InjectedClassNameType {{.*}} 'B<T, V>' dependent |
| // CHECK: `-TemplateSpecializationType {{.*}} 'X<W, V>' dependent |
| // CHECK: |-TemplateArgument expr |
| // CHECK: | `-DeclRefExpr {{.*}} 'type-parameter-0-2' NonTypeTemplateParm {{.*}} 'W' 'type-parameter-0-2' |
| // CHECK: `-TemplateArgument expr |
| // CHECK: `-DeclRefExpr {{.*}} 'T' NonTypeTemplateParm {{.*}} 'V' 'T' |
| |
| template<typename A> struct C { |
| template<template<typename X, X> typename T, typename U, U V = 0> C(A, Y<T>, U); |
| }; |
| C c(1, Y<B>{}, 2); |
| using CT = decltype(c); |
| using CT = C<int>; |
| |
| // CHECK-LABEL: Dumping <deduction guide for C>: |
| // CHECK: FunctionTemplateDecl |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 0 A |
| // CHECK: |-TemplateTemplateParmDecl {{.*}} depth 0 index 1 T |
| // CHECK: | |-TemplateTypeParmDecl {{.*}} typename depth 1 index 0 X |
| // CHECK: | `-NonTypeTemplateParmDecl {{.*}} 'X' depth 1 index 1 |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 2 U |
| // CHECK: |-NonTypeTemplateParmDecl {{.*}} 'type-parameter-0-2' depth 0 index 3 V |
| // CHECK: | `-TemplateArgument {{.*}} expr |
| // CHECK: | `-IntegerLiteral {{.*}} 'int' 0 |
| // CHECK: |-CXXDeductionGuideDecl {{.*}} 'auto (A, Y<template-parameter-0-1>, type-parameter-0-2) -> C<A>' |
| // CHECK: | |-ParmVarDecl {{.*}} 'A' |
| // CHECK: | |-ParmVarDecl {{.*}} 'Y<template-parameter-0-1>' |
| // CHECK: | `-ParmVarDecl {{.*}} 'type-parameter-0-2' |
| // CHECK: `-CXXDeductionGuideDecl {{.*}} 'auto (int, Y<B>, int) -> C<int>' |
| // CHECK: |-TemplateArgument type 'int' |
| // CHECK: |-TemplateArgument template 'B' |
| // CHECK: |-TemplateArgument type 'int' |
| // CHECK: |-TemplateArgument integral '0' |
| // CHECK: |-ParmVarDecl {{.*}} 'int' |
| // CHECK: |-ParmVarDecl {{.*}} 'Y<B>' |
| // CHECK: `-ParmVarDecl {{.*}} 'int' |
| // CHECK: FunctionProtoType {{.*}} 'auto (A, Y<template-parameter-0-1>, type-parameter-0-2) -> C<A>' dependent trailing_return cdecl |
| // CHECK: |-InjectedClassNameType {{.*}} 'C<A>' dependent |
| // CHECK: |-TemplateTypeParmType {{.*}} 'A' dependent depth 0 index 0 |
| // CHECK: | `-TemplateTypeParm {{.*}} 'A' |
| // CHECK: |-ElaboratedType {{.*}} 'Y<template-parameter-0-1>' sugar dependent |
| // CHECK: | `-TemplateSpecializationType {{.*}} 'Y<template-parameter-0-1>' dependent |
| // CHECK: | `-TemplateArgument template |
| // CHECK: `-TemplateTypeParmType {{.*}} 'type-parameter-0-2' dependent depth 0 index 2 |
| |
| template<typename ...T> struct D { // expected-note {{candidate}} \ |
| // expected-note {{implicit deduction guide declared as 'template <typename ...T> D(D<T...>) -> D<T...>'}} |
| template<typename... U> using B = int(int (*...p)(T, U)); |
| template<typename U1, typename U2> D(B<U1, U2>*); // expected-note {{candidate}} \ |
| // expected-note {{implicit deduction guide declared as 'template <typename ...T, typename U1, typename U2> D(B<type-parameter-0-1, type-parameter-0-2> *) -> D<T...>'}} |
| }; |
| int f(int(int, int), int(int, int)); |
| // FIXME: We can't deduce this because we can't deduce through a |
| // SubstTemplateTypeParmPackType. |
| D d = f; // expected-error {{no viable}} |
| using DT = decltype(d); |
| using DT = D<int, int>; |
| |
| // CHECK-LABEL: Dumping <deduction guide for D>: |
| // CHECK: FunctionTemplateDecl |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 0 ... T |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 1 U1 |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 2 U2 |
| // CHECK: `-CXXDeductionGuideDecl {{.*}} 'auto (B<type-parameter-0-1, type-parameter-0-2> *) -> D<T...>' |
| // CHECK: `-ParmVarDecl {{.*}} 'B<type-parameter-0-1, type-parameter-0-2> *' |
| // CHECK: FunctionProtoType {{.*}} 'auto (B<type-parameter-0-1, type-parameter-0-2> *) -> D<T...>' dependent trailing_return |
| // CHECK: |-InjectedClassNameType {{.*}} 'D<T...>' dependent |
| // CHECK: `-PointerType {{.*}} 'B<type-parameter-0-1, type-parameter-0-2> *' dependent |
| // CHECK: `-TemplateSpecializationType {{.*}} 'B<type-parameter-0-1, type-parameter-0-2>' sugar dependent alias |
| // CHECK: |-TemplateArgument type 'type-parameter-0-1' |
| // CHECK: |-TemplateArgument type 'type-parameter-0-2' |
| // CHECK: `-FunctionProtoType {{.*}} 'int (int (*)(T, U)...)' dependent cdecl |
| // CHECK: |-BuiltinType {{.*}} 'int' |
| // CHECK: `-PackExpansionType {{.*}} 'int (*)(T, U)...' dependent expansions 2 |
| // CHECK: `-PointerType {{.*}} 'int (*)(T, U)' dependent contains_unexpanded_pack |
| // CHECK: `-ParenType {{.*}} 'int (T, U)' sugar dependent contains_unexpanded_pack |
| // CHECK: `-FunctionProtoType {{.*}} 'int (T, U)' dependent contains_unexpanded_pack cdecl |
| // CHECK: |-BuiltinType {{.*}} 'int' |
| // CHECK: |-TemplateTypeParmType {{.*}} 'T' dependent contains_unexpanded_pack depth 0 index 0 pack |
| // CHECK: | `-TemplateTypeParm {{.*}} 'T' |
| // CHECK: `-SubstTemplateTypeParmPackType {{.*}} 'U' dependent contains_unexpanded_pack typename depth 1 index 0 ... U |
| // CHECK: |-TypeAliasTemplate {{.*}} 'B' |
| // CHECK: `-TemplateArgument pack |
| // CHECK: |-TemplateArgument type 'type-parameter-0-1' |
| // CHECK-NOT: Subst |
| // CHECK: | `-TemplateTypeParmType |
| // CHECK: `-TemplateArgument type 'type-parameter-0-2' |
| // CHECK-NOT: Subst |
| // CHECK: `-TemplateTypeParmType |
| |
| template<int ...N> struct E { // expected-note {{candidate}} \ |
| expected-note {{implicit deduction guide declared as 'template <int ...N> E(E<N...>) -> E<N...>'}} |
| template<int ...M> using B = Z<X<N, M>...>; |
| template<int M1, int M2> E(B<M1, M2>); // expected-note {{candidate}} \ |
| // expected-note {{implicit deduction guide declared as 'template <int ...N, int M1, int M2> E(B<M1, M2>) -> E<N...>'}}}} |
| }; |
| // FIXME: We can't deduce this because we can't deduce through a |
| // SubstNonTypeTemplateParmPackExpr. |
| E e = Z<X<1, 2>, X<3, 4>>(); // expected-error {{no viable}} |
| using ET = decltype(e); |
| using ET = E<1, 3>; |
| |
| // CHECK-LABEL: Dumping <deduction guide for E>: |
| // CHECK: FunctionTemplateDecl |
| // CHECK: |-NonTypeTemplateParmDecl [[N:0x[0-9a-f]*]] {{.*}} 'int' depth 0 index 0 ... N |
| // CHECK: |-NonTypeTemplateParmDecl [[M1:0x[0-9a-f]*]] {{.*}} 'int' depth 0 index 1 M1 |
| // CHECK: |-NonTypeTemplateParmDecl [[M2:0x[0-9a-f]*]] {{.*}} 'int' depth 0 index 2 M2 |
| // CHECK: `-CXXDeductionGuideDecl {{.*}} 'auto (B<M1, M2>) -> E<N...>' |
| // CHECK: `-ParmVarDecl {{.*}} 'B<M1, M2>':'Z<X<N, M>...>' |
| // CHECK: FunctionProtoType {{.*}} 'auto (B<M1, M2>) -> E<N...>' dependent trailing_return |
| // CHECK: |-InjectedClassNameType {{.*}} 'E<N...>' dependent |
| // CHECK: `-TemplateSpecializationType {{.*}} 'B<M1, M2>' sugar dependent alias |
| // CHECK: |-TemplateArgument expr |
| // CHECK: | `-DeclRefExpr {{.*}} 'int' NonTypeTemplateParm {{.*}} 'M1' 'int' |
| // CHECK: |-TemplateArgument expr |
| // CHECK: | `-DeclRefExpr {{.*}} 'int' NonTypeTemplateParm {{.*}} 'M2' 'int' |
| // CHECK: `-TemplateSpecializationType {{.*}} 'Z<X<N, M>...>' dependent |
| // CHECK: `-TemplateArgument type 'X<N, M>...' |
| // CHECK: `-PackExpansionType {{.*}} 'X<N, M>...' dependent expansions 2 |
| // CHECK: `-TemplateSpecializationType {{.*}} 'X<N, M>' dependent contains_unexpanded_pack |
| // CHECK: |-TemplateArgument expr |
| // CHECK-NOT: Subst |
| // CHECK: | `-DeclRefExpr {{.*}} 'int' NonTypeTemplateParm [[N]] 'N' 'int' |
| // CHECK: `-TemplateArgument expr |
| // CHECK: `-SubstNonTypeTemplateParmPackExpr {{.*}} 'int' |
| // CHECK: |-NonTypeTemplateParmDecl {{.*}} referenced 'int' depth 1 index 0 ... M |
| // CHECK: `-TemplateArgument pack |
| // CHECK: |-TemplateArgument expr |
| // CHECK-NOT: Subst |
| // CHECK: | `-DeclRefExpr {{.*}} 'int' NonTypeTemplateParm [[M1]] 'M1' 'int' |
| // CHECK: `-TemplateArgument expr |
| // CHECK-NOT: Subst |
| // CHECK: `-DeclRefExpr {{.*}} 'int' NonTypeTemplateParm [[M2]] 'M2' 'int' |
| |
| template <char = 'x'> struct F; |
| |
| template <char> struct F { |
| template <typename U> |
| requires(false) F(U); |
| template <typename U> |
| requires(true) F(U); |
| }; |
| |
| F s(0); |
| |
| // CHECK-LABEL: Dumping <deduction guide for F>: |
| // CHECK: FunctionTemplateDecl |
| // CHECK: |-NonTypeTemplateParmDecl {{.*}} 'char' depth 0 index 0 |
| // CHECK: `-TemplateArgument {{.*}} expr |
| // CHECK: | |-inherited from NonTypeTemplateParm {{.*}} '' 'char' |
| // CHECK: | `-CharacterLiteral {{.*}} 'char' 120 |
| // CHECK: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 1 U |
| // CHECK: |-ParenExpr {{.*}} 'bool' |
| // CHECK: | `-CXXBoolLiteralExpr {{.*}} 'bool' false |
| // CHECK: |-CXXDeductionGuideDecl {{.*}} implicit <deduction guide for F> 'auto (type-parameter-0-1) -> F<>' |
| // CHECK: | `-ParmVarDecl {{.*}} 'type-parameter-0-1' |
| // CHECK: `-CXXDeductionGuideDecl {{.*}} implicit <deduction guide for F> 'auto (int) -> F<>' |
| // CHECK: |-TemplateArgument integral ''x'' |
| // CHECK: |-TemplateArgument type 'int' |
| // CHECK: | `-BuiltinType {{.*}} 'int' |
| // CHECK: `-ParmVarDecl {{.*}} 'int' |
| // CHECK: FunctionProtoType {{.*}} 'auto (type-parameter-0-1) -> F<>' dependent trailing_return cdecl |
| // CHECK: |-InjectedClassNameType {{.*}} 'F<>' dependent |
| // CHECK: | `-CXXRecord {{.*}} 'F' |
| // CHECK: `-TemplateTypeParmType {{.*}} 'type-parameter-0-1' dependent depth 0 index 1 |
| |
| template<typename T> |
| struct G { T t; }; |
| |
| G g = {1}; |
| // CHECK-LABEL: Dumping <deduction guide for G>: |
| // CHECK: FunctionTemplateDecl |
| // CHECK: |-CXXDeductionGuideDecl {{.*}} implicit <deduction guide for G> 'auto (T) -> G<T>' aggregate |
| // CHECK: `-CXXDeductionGuideDecl {{.*}} implicit used <deduction guide for G> 'auto (int) -> G<int>' implicit_instantiation aggregate |
| |
| template<typename X> |
| using AG = G<X>; |
| AG ag = {1}; |
| // Verify that the aggregate deduction guide for alias templates is built. |
| // CHECK-LABEL: Dumping <deduction guide for AG> |
| // CHECK: FunctionTemplateDecl |
| // CHECK: |-CXXDeductionGuideDecl {{.*}} 'auto (type-parameter-0-0) -> G<type-parameter-0-0>' |
| // CHECK: `-CXXDeductionGuideDecl {{.*}} 'auto (int) -> G<int>' implicit_instantiation |
| // CHECK: |-TemplateArgument type 'int' |
| // CHECK: | `-BuiltinType {{.*}} 'int' |
| // CHECK: `-ParmVarDecl {{.*}} 'int' |
| |
| template <typename X = int> |
| using BG = G<int>; |
| BG bg(1.0); |
| // CHECK-LABEL: Dumping <deduction guide for BG> |
| // CHECK: FunctionTemplateDecl {{.*}} implicit <deduction guide for BG> |
| // CHECK: |-CXXDeductionGuideDecl {{.*}} 'auto (int) -> G<int>' aggregate |
| |
| template <typename D> |
| requires (sizeof(D) == 4) |
| struct Foo { |
| Foo(D); |
| }; |
| |
| template <typename U> |
| using AFoo = Foo<G<U>>; |
| // Verify that the require-clause from the Foo deduction guide is transformed. |
| // The D occurrence should be rewritten to G<type-parameter-0-0>. |
| // |
| // CHECK-LABEL: Dumping <deduction guide for AFoo> |
| // CHECK: FunctionTemplateDecl {{.*}} implicit <deduction guide for AFoo> |
| // CHECK-NEXT: |-TemplateTypeParmDecl {{.*}} typename depth 0 index 0 U |
| // CHECK-NEXT: |-BinaryOperator {{.*}} '&&' |
| // CHECK-NEXT: | |-ParenExpr {{.*}} 'bool' |
| // CHECK-NEXT: | | `-BinaryOperator {{.*}} 'bool' '==' |
| // CHECK-NEXT: | | |-UnaryExprOrTypeTraitExpr {{.*}} 'G<type-parameter-0-0>' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} |
| // CHECK-NEXT: | | `-IntegerLiteral {{.*}} |
| // CHECK-NEXT: | `-TypeTraitExpr {{.*}} 'bool' __is_deducible |
| // CHECK-NEXT: | |-DeducedTemplateSpecializationType {{.*}} 'AFoo' dependent |
| // CHECK-NEXT: | | `-name: 'AFoo' |
| // CHECK-NEXT: | | `-TypeAliasTemplateDecl {{.+}} AFoo |
| // CHECK-NEXT: | `-TemplateSpecializationType {{.*}} 'Foo<G<type-parameter-0-0>>' dependent |
| // CHECK: |-CXXDeductionGuideDecl {{.*}} implicit <deduction guide for AFoo> 'auto (G<type-parameter-0-0>) -> Foo<G<type-parameter-0-0>>' |
| // CHECK-NEXT: | `-ParmVarDecl {{.*}} 'G<type-parameter-0-0>' |
| // CHECK-NEXT: `-CXXDeductionGuideDecl {{.*}} implicit used <deduction guide for AFoo> 'auto (G<int>) -> Foo<G<int>>' implicit_instantiation |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType {{.*}} 'int' |
| // CHECK-NEXT: `-ParmVarDecl {{.*}} 'G<int>' |
| |
| AFoo aa(G<int>{}); |
| |
| namespace TTP { |
| template<typename> struct A {}; |
| |
| template<class T> struct B { |
| template<template <class> typename TT> B(TT<T>); |
| }; |
| |
| B b(A<int>{}); |
| } // namespace TTP |
| |
| // CHECK-LABEL: Dumping TTP::<deduction guide for B>: |
| // CHECK-NEXT: FunctionTemplateDecl 0x{{.+}} <{{.+}}:[[# @LINE - 7]]:5, col:51> |
| // CHECK-NEXT: |-TemplateTypeParmDecl {{.+}} class depth 0 index 0 T{{$}} |
| // CHECK-NEXT: |-TemplateTemplateParmDecl {{.+}} depth 0 index 1 TT{{$}} |
| // CHECK-NEXT: | `-TemplateTypeParmDecl {{.+}} class depth 1 index 0{{$}} |
| // CHECK-NEXT: |-CXXDeductionGuideDecl {{.+}} 'auto (template-parameter-0-1<T>) -> B<T>'{{$}} |
| // CHECK-NEXT: | `-ParmVarDecl {{.+}} 'template-parameter-0-1<T>'{{$}} |
| // CHECK-NEXT: `-CXXDeductionGuideDecl {{.+}} 'auto (A<int>) -> TTP::B<int>' |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType {{.+}} 'int'{{$}} |
| // CHECK-NEXT: |-TemplateArgument template 'TTP::A'{{$}} |
| // CHECK-NEXT: | `-ClassTemplateDecl {{.+}} A{{$}} |
| // CHECK-NEXT: `-ParmVarDecl {{.+}} 'A<int>':'TTP::A<int>'{{$}} |
| // CHECK-NEXT: FunctionProtoType {{.+}} 'auto (template-parameter-0-1<T>) -> B<T>' dependent trailing_return cdecl{{$}} |
| // CHECK-NEXT: |-InjectedClassNameType {{.+}} 'B<T>' dependent{{$}} |
| // CHECK-NEXT: | `-CXXRecord {{.+}} 'B'{{$}} |
| // CHECK-NEXT: `-ElaboratedType {{.+}} 'template-parameter-0-1<T>' sugar dependent{{$}} |
| // CHECK-NEXT: `-TemplateSpecializationType {{.+}} 'template-parameter-0-1<T>' dependent{{$}} |
| // CHECK-NEXT: |-name: 'template-parameter-0-1' qualified |
| // CHECK-NEXT: | `-TemplateTemplateParmDecl {{.+}} depth 0 index 1 |
| // CHECK-NEXT: `-TemplateArgument type 'T':'type-parameter-0-0'{{$}} |
| // CHECK-NEXT: `-TemplateTypeParmType {{.+}} 'T' dependent depth 0 index 0{{$}} |
| // CHECK-NEXT: `-TemplateTypeParm {{.+}} 'T'{{$}} |
| |
| namespace GH64625 { |
| |
| template <class T> struct X { |
| T t[2]; |
| }; |
| |
| X x = {{1, 2}}; |
| |
| // CHECK-LABEL: Dumping GH64625::<deduction guide for X>: |
| // CHECK-NEXT: FunctionTemplateDecl {{.+}} <{{.+}}:[[#@LINE - 7]]:1, col:27> col:27 implicit <deduction guide for X> |
| // CHECK-NEXT: |-TemplateTypeParmDecl {{.+}} <col:11, col:17> col:17 referenced class depth 0 index 0 T |
| // CHECK: |-CXXDeductionGuideDecl {{.+}} <col:27> col:27 implicit <deduction guide for X> 'auto (T (&&)[2]) -> X<T>' aggregate |
| // CHECK-NEXT: | `-ParmVarDecl {{.+}} <col:27> col:27 'T (&&)[2]' |
| // CHECK-NEXT: `-CXXDeductionGuideDecl {{.+}} <col:27> col:27 implicit used <deduction guide for X> 'auto (int (&&)[2]) -> GH64625::X<int>' implicit_instantiation aggregate |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType {{.+}} 'int' |
| // CHECK-NEXT: `-ParmVarDecl {{.+}} <col:27> col:27 'int (&&)[2]' |
| // CHECK-NEXT: FunctionProtoType {{.+}} 'auto (T (&&)[2]) -> X<T>' dependent trailing_return |
| // CHECK-NEXT: |-InjectedClassNameType {{.+}} 'X<T>' dependent |
| // CHECK-NEXT: | `-CXXRecord {{.+}} 'X' |
| // CHECK-NEXT: `-RValueReferenceType {{.+}} 'T (&&)[2]' dependent |
| // CHECK-NEXT: `-ConstantArrayType {{.+}} 'T[2]' dependent 2 |
| // CHECK-NEXT: `-TemplateTypeParmType {{.+}} 'T' dependent depth 0 index 0 |
| // CHECK-NEXT: `-TemplateTypeParm {{.+}} 'T' |
| |
| template <class T, class U> struct TwoArrays { |
| T t[2]; |
| U u[3]; |
| }; |
| |
| TwoArrays ta = {{1, 2}, {3, 4, 5}}; |
| // CHECK-LABEL: Dumping GH64625::<deduction guide for TwoArrays>: |
| // CHECK-NEXT: FunctionTemplateDecl {{.+}} <{{.+}}:[[#@LINE - 7]]:1, col:36> col:36 implicit <deduction guide for TwoArrays> |
| // CHECK-NEXT: |-TemplateTypeParmDecl {{.+}} <col:11, col:17> col:17 referenced class depth 0 index 0 T |
| // CHECK-NEXT: |-TemplateTypeParmDecl {{.+}} <col:20, col:26> col:26 referenced class depth 0 index 1 U |
| // CHECK: |-CXXDeductionGuideDecl {{.+}} <col:36> col:36 implicit <deduction guide for TwoArrays> 'auto (T (&&)[2], U (&&)[3]) -> TwoArrays<T, U>' aggregate |
| // CHECK-NEXT: | |-ParmVarDecl {{.+}} <col:36> col:36 'T (&&)[2]' |
| // CHECK-NEXT: | `-ParmVarDecl {{.+}} <col:36> col:36 'U (&&)[3]' |
| // CHECK-NEXT: `-CXXDeductionGuideDecl {{.+}} <col:36> col:36 implicit used <deduction guide for TwoArrays> 'auto (int (&&)[2], int (&&)[3]) -> GH64625::TwoArrays<int, int>' implicit_instantiation aggregate |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType {{.+}} 'int' |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType {{.+}} 'int' |
| // CHECK-NEXT: |-ParmVarDecl {{.+}} <col:36> col:36 'int (&&)[2]' |
| // CHECK-NEXT: `-ParmVarDecl {{.+}} <col:36> col:36 'int (&&)[3]' |
| // CHECK-NEXT: FunctionProtoType {{.+}} 'auto (T (&&)[2], U (&&)[3]) -> TwoArrays<T, U>' dependent trailing_return |
| // CHECK-NEXT: |-InjectedClassNameType {{.+}} 'TwoArrays<T, U>' dependent |
| // CHECK-NEXT: | `-CXXRecord {{.+}} 'TwoArrays' |
| // CHECK-NEXT: |-RValueReferenceType {{.+}} 'T (&&)[2]' dependent |
| // CHECK-NEXT: | `-ConstantArrayType {{.+}} 'T[2]' dependent 2 |
| // CHECK-NEXT: | `-TemplateTypeParmType {{.+}} 'T' dependent depth 0 index 0 |
| // CHECK-NEXT: | `-TemplateTypeParm {{.+}} 'T' |
| // CHECK-NEXT: `-RValueReferenceType {{.+}} 'U (&&)[3]' dependent |
| // CHECK-NEXT: `-ConstantArrayType {{.+}} 'U[3]' dependent 3 |
| // CHECK-NEXT: `-TemplateTypeParmType {{.+}} 'U' dependent depth 0 index 1 |
| // CHECK-NEXT: `-TemplateTypeParm {{.+}} 'U' |
| |
| TwoArrays tb = {1, 2, {3, 4, 5}}; |
| // CHECK: |-CXXDeductionGuideDecl {{.+}} <col:36> col:36 implicit <deduction guide for TwoArrays> 'auto (T, T, U (&&)[3]) -> TwoArrays<T, U>' aggregate |
| // CHECK-NEXT: | |-ParmVarDecl {{.+}} <col:36> col:36 'T' |
| // CHECK-NEXT: | |-ParmVarDecl {{.+}} <col:36> col:36 'T' |
| // CHECK-NEXT: | `-ParmVarDecl {{.+}} <col:36> col:36 'U (&&)[3]' |
| // CHECK-NEXT: `-CXXDeductionGuideDecl {{.+}} <col:36> col:36 implicit used <deduction guide for TwoArrays> 'auto (int, int, int (&&)[3]) -> GH64625::TwoArrays<int, int>' implicit_instantiation aggregate |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType {{.+}} 'int' |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType {{.+}} 'int' |
| // CHECK-NEXT: |-ParmVarDecl {{.+}} <col:36> col:36 'int' |
| // CHECK-NEXT: |-ParmVarDecl {{.+}} <col:36> col:36 'int' |
| // CHECK-NEXT: `-ParmVarDecl {{.+}} <col:36> col:36 'int (&&)[3]' |
| // CHECK-NEXT: FunctionProtoType {{.+}} 'auto (T, T, U (&&)[3]) -> TwoArrays<T, U>' dependent trailing_return |
| // CHECK-NEXT: |-InjectedClassNameType {{.+}} 'TwoArrays<T, U>' dependent |
| // CHECK-NEXT: | `-CXXRecord {{.+}} 'TwoArrays' |
| // CHECK-NEXT: |-TemplateTypeParmType {{.+}} 'T' dependent depth 0 index 0 |
| // CHECK-NEXT: | `-TemplateTypeParm {{.+}} 'T' |
| // CHECK-NEXT: |-TemplateTypeParmType {{.+}} 'T' dependent depth 0 index 0 |
| // CHECK-NEXT: | `-TemplateTypeParm {{.+}} 'T' |
| // CHECK-NEXT: `-RValueReferenceType {{.+}} 'U (&&)[3]' dependent |
| // CHECK-NEXT: `-ConstantArrayType {{.+}} 'U[3]' dependent 3 |
| // CHECK-NEXT: `-TemplateTypeParmType {{.+}} 'U' dependent depth 0 index 1 |
| // CHECK-NEXT: `-TemplateTypeParm {{.+}} 'U' |
| |
| TwoArrays tc = {{1, 2}, 3, 4, 5}; |
| // CHECK: |-CXXDeductionGuideDecl {{.+}} <col:36> col:36 implicit <deduction guide for TwoArrays> 'auto (T (&&)[2], U, U, U) -> TwoArrays<T, U>' aggregate |
| // CHECK-NEXT: | |-ParmVarDecl {{.+}} <col:36> col:36 'T (&&)[2]' |
| // CHECK-NEXT: | |-ParmVarDecl {{.+}} <col:36> col:36 'U' |
| // CHECK-NEXT: | |-ParmVarDecl {{.+}} <col:36> col:36 'U' |
| // CHECK-NEXT: | `-ParmVarDecl {{.+}} <col:36> col:36 'U' |
| // CHECK-NEXT: `-CXXDeductionGuideDecl {{.+}} <col:36> col:36 implicit used <deduction guide for TwoArrays> 'auto (int (&&)[2], int, int, int) -> GH64625::TwoArrays<int, int>' implicit_instantiation aggregate |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType {{.+}} 'int' |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType {{.+}} 'int' |
| // CHECK-NEXT: |-ParmVarDecl {{.+}} <col:36> col:36 'int (&&)[2]' |
| // CHECK-NEXT: |-ParmVarDecl {{.+}} <col:36> col:36 'int' |
| // CHECK-NEXT: |-ParmVarDecl {{.+}} <col:36> col:36 'int' |
| // CHECK-NEXT: `-ParmVarDecl {{.+}} <col:36> col:36 'int' |
| // CHECK-NEXT: FunctionProtoType {{.+}} 'auto (T (&&)[2], U, U, U) -> TwoArrays<T, U>' dependent trailing_return |
| // CHECK-NEXT: |-InjectedClassNameType {{.+}} 'TwoArrays<T, U>' dependent |
| // CHECK-NEXT: | `-CXXRecord {{.+}} 'TwoArrays' |
| // CHECK-NEXT: |-RValueReferenceType {{.+}} 'T (&&)[2]' dependent |
| // CHECK-NEXT: | `-ConstantArrayType {{.+}} 'T[2]' dependent 2 |
| // CHECK-NEXT: | `-TemplateTypeParmType {{.+}} 'T' dependent depth 0 index 0 |
| // CHECK-NEXT: | `-TemplateTypeParm {{.+}} 'T' |
| // CHECK-NEXT: |-TemplateTypeParmType {{.+}} 'U' dependent depth 0 index 1 |
| // CHECK-NEXT: | `-TemplateTypeParm {{.+}} 'U' |
| // CHECK-NEXT: |-TemplateTypeParmType {{.+}} 'U' dependent depth 0 index 1 |
| // CHECK-NEXT: | `-TemplateTypeParm {{.+}} 'U' |
| // CHECK-NEXT: `-TemplateTypeParmType {{.+}} 'U' dependent depth 0 index 1 |
| // CHECK-NEXT: `-TemplateTypeParm {{.+}} 'U' |
| |
| } // namespace GH64625 |
| |
| namespace GH83368 { |
| |
| template <int N> struct A { |
| int f1[N]; |
| }; |
| |
| A a{.f1 = {1}}; |
| |
| // CHECK-LABEL: Dumping GH83368::<deduction guide for A>: |
| // CHECK-NEXT: FunctionTemplateDecl 0x{{.+}} <{{.+}}:[[#@LINE - 7]]:1, col:25> col:25 implicit <deduction guide for A> |
| // CHECK-NEXT: |-NonTypeTemplateParmDecl {{.+}} <col:11, col:15> col:15 referenced 'int' depth 0 index 0 N |
| // CHECK: |-CXXDeductionGuideDecl {{.+}} <col:25> col:25 implicit <deduction guide for A> 'auto (int (&&)[N]) -> A<N>' aggregate |
| // CHECK-NEXT: | `-ParmVarDecl {{.+}} <col:25> col:25 'int (&&)[N]' |
| // CHECK-NEXT: `-CXXDeductionGuideDecl {{.+}} <col:25> col:25 implicit used <deduction guide for A> 'auto (int (&&)[1]) -> GH83368::A<1>' implicit_instantiation aggregate |
| // CHECK-NEXT: |-TemplateArgument integral '1' |
| // CHECK-NEXT: `-ParmVarDecl {{.+}} <col:25> col:25 'int (&&)[1]' |
| // CHECK-NEXT: FunctionProtoType {{.+}} 'auto (int (&&)[N]) -> A<N>' dependent trailing_return |
| // CHECK-NEXT: |-InjectedClassNameType {{.+}} 'A<N>' dependent |
| // CHECK-NEXT: | `-CXXRecord {{.+}} 'A' |
| // CHECK-NEXT: `-RValueReferenceType {{.+}} 'int (&&)[N]' dependent |
| // CHECK-NEXT: `-DependentSizedArrayType {{.+}} 'int[N]' dependent |
| // CHECK-NEXT: |-BuiltinType {{.+}} 'int' |
| // CHECK-NEXT: `-DeclRefExpr {{.+}} <col:10> 'int' NonTypeTemplateParm {{.+}} 'N' 'int' |
| |
| } // namespace GH83368 |
