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comparison clang/test/SemaCXX/builtins.cpp @ 221:79ff65ed7e25

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LLVM12 Original
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 15 Jun 2021 19:15:29 +0900
parents 0572611fdcc8
children c4bab56944e8
comparison
equal deleted inserted replaced
220:42394fc6a535 221:79ff65ed7e25
111 constexpr const int *const_ptr = test_constexpr_launder(&const_int); 111 constexpr const int *const_ptr = test_constexpr_launder(&const_int);
112 static_assert(&const_int == const_ptr, ""); 112 static_assert(&const_int == const_ptr, "");
113 static_assert(const_ptr != test_constexpr_launder(&const_int2), ""); 113 static_assert(const_ptr != test_constexpr_launder(&const_int2), "");
114 114
115 void test_non_constexpr() { 115 void test_non_constexpr() {
116 constexpr int i = 42; // expected-note {{declared here}} 116 constexpr int i = 42; // expected-note {{address of non-static constexpr variable 'i' may differ on each invocation}}
117 constexpr const int *ip = __builtin_launder(&i); // expected-error {{constexpr variable 'ip' must be initialized by a constant expression}} 117 constexpr const int *ip = __builtin_launder(&i); // expected-error {{constexpr variable 'ip' must be initialized by a constant expression}}
118 // expected-note@-1 {{pointer to 'i' is not a constant expression}} 118 // expected-note@-1 {{pointer to 'i' is not a constant expression}}
119 } 119 }
120 120
121 constexpr bool test_in_constexpr(const int &i) { 121 constexpr bool test_in_constexpr(const int &i) {
142 void test_noexcept(int *i) { 142 void test_noexcept(int *i) {
143 static_assert(noexcept(__builtin_launder(i)), ""); 143 static_assert(noexcept(__builtin_launder(i)), "");
144 } 144 }
145 #undef TEST_TYPE 145 #undef TEST_TYPE
146 } // end namespace test_launder 146 } // end namespace test_launder
147
148 template<typename T> void test_builtin_complex(T v, double d) {
149 (void)__builtin_complex(v, d); // expected-error {{different types}} expected-error {{not a real floating}}
150 (void)__builtin_complex(d, v); // expected-error {{different types}} expected-error {{not a real floating}}
151 (void)__builtin_complex(v, v); // expected-error {{not a real floating}}
152 }
153 template void test_builtin_complex(double, double);
154 template void test_builtin_complex(float, double); // expected-note {{instantiation of}}
155 template void test_builtin_complex(int, double); // expected-note {{instantiation of}}