Mercurial > hg > CbC > CbC_llvm
comparison clang/test/Sema/no-builtin.cpp @ 150:1d019706d866
LLVM10
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 15:10:13 +0900 |
| parents | |
| children | 0572611fdcc8 |
comparison
equal
deleted
inserted
replaced
| 147:c2174574ed3a | 150:1d019706d866 |
|---|---|
| 1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s | |
| 2 // UNSUPPORTED: ppc64be | |
| 3 | |
| 4 /// Prevent use of all builtins. | |
| 5 void valid_attribute_all_1() __attribute__((no_builtin)) {} | |
| 6 void valid_attribute_all_2() __attribute__((no_builtin())) {} | |
| 7 | |
| 8 /// Prevent use of specific builtins. | |
| 9 void valid_attribute_function() __attribute__((no_builtin("memcpy"))) {} | |
| 10 void valid_attribute_functions() __attribute__((no_builtin("memcpy"))) __attribute__((no_builtin("memcmp"))) {} | |
| 11 | |
| 12 /// Many times the same builtin is fine. | |
| 13 void many_attribute_function_1() __attribute__((no_builtin)) __attribute__((no_builtin)) {} | |
| 14 void many_attribute_function_2() __attribute__((no_builtin("memcpy"))) __attribute__((no_builtin("memcpy"))) {} | |
| 15 void many_attribute_function_3() __attribute__((no_builtin("memcpy", "memcpy"))) {} | |
| 16 void many_attribute_function_4() __attribute__((no_builtin("memcpy", "memcpy"))) __attribute__((no_builtin("memcpy"))) {} | |
| 17 | |
| 18 /// Invalid builtin name. | |
| 19 void invalid_builtin() __attribute__((no_builtin("not_a_builtin"))) {} | |
| 20 // expected-warning@-1 {{'not_a_builtin' is not a valid builtin name for no_builtin}} | |
| 21 | |
| 22 /// Can't use bare no_builtin with a named one. | |
| 23 void wildcard_and_functionname() __attribute__((no_builtin)) __attribute__((no_builtin("memcpy"))) {} | |
| 24 // expected-error@-1 {{empty no_builtin cannot be composed with named ones}} | |
| 25 | |
| 26 /// Can't attach attribute to a variable. | |
| 27 int __attribute__((no_builtin)) variable; | |
| 28 // expected-warning@-1 {{'no_builtin' attribute only applies to functions}} | |
| 29 | |
| 30 /// Can't attach attribute to a declaration. | |
| 31 void nobuiltin_on_declaration() __attribute__((no_builtin)); | |
| 32 // expected-error@-1 {{no_builtin attribute is permitted on definitions only}} | |
| 33 | |
| 34 struct S { | |
| 35 /// Can't attach attribute to a defaulted function, | |
| 36 S() | |
| 37 __attribute__((no_builtin)) = default; | |
| 38 // expected-error@-1 {{no_builtin attribute has no effect on defaulted or deleted functions}} | |
| 39 | |
| 40 /// Can't attach attribute to a deleted function, | |
| 41 S(const S &) | |
| 42 __attribute__((no_builtin)) = delete; | |
| 43 // expected-error@-1 {{no_builtin attribute has no effect on defaulted or deleted functions}} | |
| 44 | |
| 45 void whatever() __attribute__((no_builtin("memcpy"))); | |
| 46 // expected-error@-1 {{no_builtin attribute is permitted on definitions only}} | |
| 47 }; | |
| 48 | |
| 49 /// Can't attach attribute to an aliased function. | |
| 50 void alised_function() {} | |
| 51 void aliasing_function() __attribute__((no_builtin)) __attribute__((alias("alised_function"))); | |
| 52 // expected-error@-1 {{no_builtin attribute is permitted on definitions only}} |