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comparison clang/test/SemaCXX/builtins.cpp @ 252:1f2b6ac9f198 llvm-original

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LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
parents c4bab56944e8
children
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237:c80f45b162ad 252:1f2b6ac9f198
38 static_assert(&pt->n == &t.n, ""); 38 static_assert(&pt->n == &t.n, "");
39 39
40 struct U { int n : 5; } u; 40 struct U { int n : 5; } u;
41 int *pbf = __builtin_addressof(u.n); // expected-error {{address of bit-field requested}} 41 int *pbf = __builtin_addressof(u.n); // expected-error {{address of bit-field requested}}
42 42
43 S *ptmp = __builtin_addressof(S{}); // expected-error {{taking the address of a temporary}} 43 S *ptmp = __builtin_addressof(S{}); // expected-error {{taking the address of a temporary}} expected-warning {{temporary whose address is used as value of local variable 'ptmp' will be destroyed at the end of the full-expression}}
44 } 44 }
45 45
46 namespace function_start { 46 namespace function_start {
47 void a(void) {} 47 void a(void) {}
48 int n; 48 int n;
49 void *p = __builtin_function_start(n); // expected-error {{argument must be a function}} 49 void *p = __builtin_function_start(n); // expected-error {{argument must be a function}}
50 static_assert(__builtin_function_start(a) == a, ""); // expected-error {{static assertion expression is not an integral constant expression}} 50 static_assert(__builtin_function_start(a) == a, ""); // expected-error {{static assertion expression is not an integral constant expression}}
51 // expected-note@-1 {{comparison of addresses of literals has unspecified value}}
51 } // namespace function_start 52 } // namespace function_start
52 53
53 void no_ms_builtins() { 54 void no_ms_builtins() {
54 __assume(1); // expected-error {{use of undeclared}} 55 __assume(1); // expected-error {{use of undeclared}}
55 __noop(1); // expected-error {{use of undeclared}} 56 __noop(1); // expected-error {{use of undeclared}}
162 (void)__builtin_complex(v, v); // expected-error {{not a real floating}} 163 (void)__builtin_complex(v, v); // expected-error {{not a real floating}}
163 } 164 }
164 template void test_builtin_complex(double, double); 165 template void test_builtin_complex(double, double);
165 template void test_builtin_complex(float, double); // expected-note {{instantiation of}} 166 template void test_builtin_complex(float, double); // expected-note {{instantiation of}}
166 template void test_builtin_complex(int, double); // expected-note {{instantiation of}} 167 template void test_builtin_complex(int, double); // expected-note {{instantiation of}}
168
169 #ifdef __x86_64__
170 // This previously would cause an assertion when emitting the note diagnostic.
171 static void __builtin_cpu_init(); // expected-error {{static declaration of '__builtin_cpu_init' follows non-static declaration}} \
172 expected-note {{'__builtin_cpu_init' is a builtin with type 'void () noexcept'}}
173 #endif