1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
foo()3 void foo() {
4   int a;
5   __builtin_prefetch(&a);
6   __builtin_prefetch(&a, 1);
7   __builtin_prefetch(&a, 1, 2);
8   __builtin_prefetch(&a, 1, 9, 3); // expected-error{{too many arguments to function}}
9   __builtin_prefetch(&a, "hello", 2); // expected-error{{argument to '__builtin_prefetch' must be a constant integer}}
10   __builtin_prefetch(&a, a, 2); // expected-error{{argument to '__builtin_prefetch' must be a constant integer}}
11   __builtin_prefetch(&a, 2); // expected-error{{argument value 2 is outside the valid range [0, 1]}}
12   __builtin_prefetch(&a, 0, 4); // expected-error{{argument value 4 is outside the valid range [0, 3]}}
13   __builtin_prefetch(&a, -1, 4); // expected-error{{argument value -1 is outside the valid range [0, 1]}}
14 }
15