| John McCall | 03107a4 | 2015-10-29 20:48:01 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | |
| 3 | #if __has_feature(__builtin_add_overflow) |
| 4 | #warning defined as expected |
| 5 | // expected-warning@-1 {{defined as expected}} |
| 6 | #endif |
| 7 | |
| 8 | void test(void) { |
| 9 | unsigned r; |
| 10 | const char * c; |
| 11 | float f; |
| 12 | const unsigned q; |
| 13 | |
| 14 | __builtin_add_overflow(); // expected-error {{too few arguments to function call, expected 3, have 0}} |
| 15 | __builtin_add_overflow(1, 1, 1, 1); // expected-error {{too many arguments to function call, expected 3, have 4}} |
| 16 | |
| 17 | __builtin_add_overflow(c, 1, &r); // expected-error {{operand argument to overflow builtin must be an integer ('const char *' invalid)}} |
| 18 | __builtin_add_overflow(1, c, &r); // expected-error {{operand argument to overflow builtin must be an integer ('const char *' invalid)}} |
| 19 | __builtin_add_overflow(1, 1, 3); // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('int' invalid)}} |
| 20 | __builtin_add_overflow(1, 1, &f); // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('float *' invalid)}} |
| 21 | __builtin_add_overflow(1, 1, &q); // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('const unsigned int *' invalid)}} |
| 22 | } |