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// RUN: %clang_cc1 -fsyntax-only -verify %s
void foo() {
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 should be a value from 0 to 1}}
__builtin_prefetch(&a, 0, 4); // expected-error{{argument should be a value from 0 to 3}}
__builtin_prefetch(&a, -1, 4); // expected-error{{argument should be a value from 0 to 1}}
}
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