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Diffstat (limited to 'test/Sema/builtins-overflow.c')
| -rw-r--r-- | test/Sema/builtins-overflow.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Sema/builtins-overflow.c b/test/Sema/builtins-overflow.c new file mode 100644 index 000000000000..e2c07f08ec9f --- /dev/null +++ b/test/Sema/builtins-overflow.c @@ -0,0 +1,22 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +#if __has_feature(__builtin_add_overflow) +#warning defined as expected +// expected-warning@-1 {{defined as expected}} +#endif + +void test(void) { + unsigned r; + const char * c; + float f; + const unsigned q; + + __builtin_add_overflow(); // expected-error {{too few arguments to function call, expected 3, have 0}} + __builtin_add_overflow(1, 1, 1, 1); // expected-error {{too many arguments to function call, expected 3, have 4}} + + __builtin_add_overflow(c, 1, &r); // expected-error {{operand argument to overflow builtin must be an integer ('const char *' invalid)}} + __builtin_add_overflow(1, c, &r); // expected-error {{operand argument to overflow builtin must be an integer ('const char *' invalid)}} + __builtin_add_overflow(1, 1, 3); // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('int' invalid)}} + __builtin_add_overflow(1, 1, &f); // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('float *' invalid)}} + __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)}} +} |