| 1 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
| 2 | |
| 3 | template<typename T> T &lvalue(); |
| 4 | template<typename T> T &&xvalue(); |
| 5 | template<typename T> T prvalue(); |
| 6 | |
| 7 | struct X0 { |
| 8 | int &f() &; |
| 9 | float &f() &&; |
| 10 | |
| 11 | template<typename T> int &ft(T) &; |
| 12 | template<typename T> float &ft(T) &&; |
| 13 | |
| 14 | typedef int &(*func_int_ref)(); |
| 15 | typedef float &(*func_float_ref)(); |
| 16 | |
| 17 | operator func_int_ref() &; |
| 18 | operator func_float_ref() &&; |
| 19 | |
| 20 | void g(); |
| 21 | |
| 22 | void c() const; // expected-note {{'c' declared here}} |
| 23 | void v() volatile; // expected-note {{'v' declared here}} |
| 24 | void r() __restrict__; // expected-note {{'r' declared here}} |
| 25 | void cr() const __restrict__; // expected-note {{'cr' declared here}} |
| 26 | void cv() const volatile; |
| 27 | void vr() volatile __restrict__; // expected-note {{'vr' declared here}} |
| 28 | void cvr() const volatile __restrict__; |
| 29 | |
| 30 | void lvalue() &; // expected-note 2 {{'lvalue' declared here}} |
| 31 | void const_lvalue() const&; |
| 32 | void rvalue() &&; // expected-note {{'rvalue' declared here}} |
| 33 | |
| 34 | int &operator+(const X0&) &; |
| 35 | float &operator+(const X0&) &&; |
| 36 | |
| 37 | template<typename T> int &operator+(const T&) &; |
| 38 | template<typename T> float &operator+(const T&) &&; |
| 39 | |
| 40 | int &h() const&; |
| 41 | float &h() &&; |
| 42 | int &h2() const&; |
| 43 | float &h2() const&&; |
| 44 | }; |
| 45 | |
| 46 | void X0::g() { // expected-note {{'g' declared here}} |
| 47 | int &ir1 = f(); |
| 48 | int &ir2 = X0::f(); |
| 49 | } |
| 50 | |
| 51 | void test_ref_qualifier_binding() { |
| 52 | int &ir1 = lvalue<X0>().f(); |
| 53 | float &fr1 = xvalue<X0>().f(); |
| 54 | float &fr2 = prvalue<X0>().f(); |
| 55 | int &ir2 = lvalue<X0>().ft(1); |
| 56 | float &fr3 = xvalue<X0>().ft(2); |
| 57 | float &fr4 = prvalue<X0>().ft(3); |
| 58 | } |
| 59 | |
| 60 | void test_ref_qualifier_binding_with_surrogates() { |
| 61 | int &ir1 = lvalue<X0>()(); |
| 62 | float &fr1 = xvalue<X0>()(); |
| 63 | float &fr2 = prvalue<X0>()(); |
| 64 | } |
| 65 | |
| 66 | void test_ref_qualifier_binding_operators() { |
| 67 | int &ir1 = lvalue<X0>() + prvalue<X0>(); |
| 68 | float &fr1 = xvalue<X0>() + prvalue<X0>(); |
| 69 | float &fr2 = prvalue<X0>() + prvalue<X0>(); |
| 70 | int &ir2 = lvalue<X0>() + 1; |
| 71 | float &fr3 = xvalue<X0>() + 2; |
| 72 | float &fr4 = prvalue<X0>() + 3; |
| 73 | } |
| 74 | |
| 75 | void test_ref_qualifier_overloading() { |
| 76 | int &ir1 = lvalue<X0>().h(); |
| 77 | float &fr1 = xvalue<X0>().h(); |
| 78 | float &fr2 = prvalue<X0>().h(); |
| 79 | int &ir2 = lvalue<X0>().h2(); |
| 80 | float &fr3 = xvalue<X0>().h2(); |
| 81 | float &fr4 = prvalue<X0>().h2(); |
| 82 | } |
| 83 | |
| 84 | void test_diagnostics(const volatile X0 &__restrict__ cvr) { |
| 85 | cvr.g(); // expected-error {{'this' argument to member function 'g' has type 'const volatile X0', but function is not marked const or volatile}} |
| 86 | cvr.c(); // expected-error {{not marked volatile}} |
| 87 | cvr.v(); // expected-error {{not marked const}} |
| 88 | cvr.r(); // expected-error {{not marked const or volatile}} |
| 89 | cvr.cr(); // expected-error {{not marked volatile}} |
| 90 | cvr.cv(); |
| 91 | cvr.vr(); // expected-error {{not marked const}} |
| 92 | cvr.cvr(); |
| 93 | |
| 94 | lvalue<X0>().lvalue(); |
| 95 | lvalue<X0>().const_lvalue(); |
| 96 | lvalue<X0>().rvalue(); // expected-error {{'this' argument to member function 'rvalue' is an lvalue, but function has rvalue ref-qualifier}} |
| 97 | |
| 98 | xvalue<X0>().lvalue(); // expected-error {{'this' argument to member function 'lvalue' is an rvalue, but function has non-const lvalue ref-qualifier}} |
| 99 | xvalue<X0>().const_lvalue(); |
| 100 | xvalue<X0>().rvalue(); |
| 101 | |
| 102 | prvalue<X0>().lvalue(); // expected-error {{'this' argument to member function 'lvalue' is an rvalue, but function has non-const lvalue ref-qualifier}} |
| 103 | prvalue<X0>().const_lvalue(); |
| 104 | prvalue<X0>().rvalue(); |
| 105 | } |
| 106 | |