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// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s -fms-extensions
// RUN: %clang_cc1 -triple i386-unknown-unknown -fsyntax-only -verify %s -fms-extensions
void f() {
(void)_byteswap_ushort(42); // expected-warning{{implicitly declaring library function '_byteswap_ushort'}} \
// expected-note{{include the header <stdlib.h> or explicitly provide a declaration for '_byteswap_ushort'}}
(void)_byteswap_uint64(42LL); // expected-warning{{implicitly declaring library function '_byteswap_uint64'}} \
// expected-note{{include the header <stdlib.h> or explicitly provide a declaration for '_byteswap_uint64'}}
}
void _byteswap_ulong(); // expected-warning{{incompatible redeclaration of library function '_byteswap_ulong'}} \
// expected-note{{'_byteswap_ulong' is a builtin}}
unsigned short _byteswap_ushort(unsigned short);
unsigned long long _byteswap_uint64(unsigned long long);
void g() {
(void)_byteswap_ushort(42);
(void)_byteswap_uint64(42LL);
}
#if defined(__x86_64__)
void h() {
(void)__mulh(21, 2); // expected-warning{{implicitly declaring library function '__mulh'}} \
// expected-note{{include the header <intrin.h> or explicitly provide a declaration for '__mulh'}}
(void)__umulh(21, 2); // expected-warning{{implicitly declaring library function '__umulh'}} \
// expected-note{{include the header <intrin.h> or explicitly provide a declaration for '__umulh'}}
}
long long __mulh(long long, long long);
unsigned long long __umulh(unsigned long long, unsigned long long);
void i() {
(void)__mulh(21, 2);
(void)__umulh(21, 2);
}
#endif
#if defined(i386)
void h() {
(void)__mulh(21LL, 2LL); // expected-warning{{implicit declaration of function '__mulh' is invalid}}
(void)__umulh(21ULL, 2ULL); // expected-warning{{implicit declaration of function '__umulh' is invalid}}
}
#endif
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