45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
// 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
|