llvm-project/clang/test/Sema/builtin-prefetch.c

15 lines
790 B
C

// RUN: %clang_cc1 -fsyntax-only -verify %s
void foo(void) {
int a;
__builtin_prefetch(&a);
__builtin_prefetch(&a, 1);
__builtin_prefetch(&a, 1, 2);
__builtin_prefetch(&a, 1, 9, 3); // expected-error{{too many arguments to function}}
__builtin_prefetch(&a, "hello", 2); // expected-error{{argument to '__builtin_prefetch' must be a constant integer}}
__builtin_prefetch(&a, a, 2); // expected-error{{argument to '__builtin_prefetch' must be a constant integer}}
__builtin_prefetch(&a, 2); // expected-error{{argument value 2 is outside the valid range [0, 1]}}
__builtin_prefetch(&a, 0, 4); // expected-error{{argument value 4 is outside the valid range [0, 3]}}
__builtin_prefetch(&a, -1, 4); // expected-error{{argument value -1 is outside the valid range [0, 1]}}
}