llvm-for-llvmta/tools/clang/test/Sema/builtin-prefetch.c

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2022-04-25 13:02:35 +02:00
// 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 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]}}
}