clang/test/Sema/builtin-prefetch.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 void foo(void) {
   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 }