| 1 | // RUN: %clang_cc1 -std=c++1z -ast-print %s > %t |
| 2 | // RUN: FileCheck < %t %s -check-prefix=CHECK1 |
| 3 | // RUN: FileCheck < %t %s -check-prefix=CHECK2 |
| 4 | // RUN: %clang_cc1 -std=c++1z -ast-dump %s | FileCheck --check-prefix=DUMP %s |
| 5 | |
| 6 | template <int X, typename Y, int Z = 5> |
| 7 | struct foo { |
| 8 | int constant; |
| 9 | foo() {} |
| 10 | Y getSum() { return Y(X + Z); } |
| 11 | }; |
| 12 | |
| 13 | template <int A, typename B> |
| 14 | B bar() { |
| 15 | return B(A); |
| 16 | } |
| 17 | |
| 18 | void baz() { |
| 19 | int x = bar<5, int>(); |
| 20 | int y = foo<5, int>().getSum(); |
| 21 | double z = foo<2, double, 3>().getSum(); |
| 22 | } |
| 23 | |
| 24 | // Template definition - foo |
| 25 | // CHECK1: template <int X, typename Y, int Z = 5> struct foo { |
| 26 | // CHECK2: template <int X, typename Y, int Z = 5> struct foo { |
| 27 | |
| 28 | // Template instantiation - foo |
| 29 | // Since the order of instantiation may vary during runs, run FileCheck twice |
| 30 | // to make sure each instantiation is in the correct spot. |
| 31 | // CHECK1: template<> struct foo<5, int, 5> { |
| 32 | // CHECK2: template<> struct foo<2, double, 3> { |
| 33 | |
| 34 | // Template definition - bar |
| 35 | // CHECK1: template <int A, typename B> B bar() |
| 36 | // CHECK2: template <int A, typename B> B bar() |
| 37 | |
| 38 | // Template instantiation - bar |
| 39 | // CHECK1: template<> int bar<5, int>() |
| 40 | // CHECK2: template<> int bar<5, int>() |
| 41 | |
| 42 | // CHECK1-LABEL: template <typename ...T> struct A { |
| 43 | // CHECK1-NEXT: template <T ...x[3]> struct B { |
| 44 | template <typename ...T> struct A { |
| 45 | template <T ...x[3]> struct B {}; |
| 46 | }; |
| 47 | |
| 48 | // CHECK1-LABEL: template <typename ...T> void f(T ...[3]) { |
| 49 | // CHECK1-NEXT: A<T [3]...> a; |
| 50 | template <typename ...T> void f(T ...[3]) { |
| 51 | A<T [3]...> a; |
| 52 | } |
| 53 | |
| 54 | namespace test2 { |
| 55 | void func(int); |
| 56 | void func(float); |
| 57 | template<typename T> |
| 58 | void tmpl() { |
| 59 | func(T()); |
| 60 | } |
| 61 | |
| 62 | // DUMP: UnresolvedLookupExpr {{.*}} <col:3> '<overloaded function type>' lvalue (ADL) = 'func' |
| 63 | } |
| 64 | |
| 65 | namespace test3 { |
| 66 | template<typename T> struct A {}; |
| 67 | template<typename T> A(T) -> A<int>; |
| 68 | // CHECK1: template <typename T> A(T) -> A<int>; |
| 69 | } |
| 70 | |