| 1 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s -fms-extensions |
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| 2 | // RUN: %clang_cc1 -triple i386-unknown-unknown -fsyntax-only -verify %s -fms-extensions |
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| 3 | |
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| 4 | void f() { |
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| 5 | (void)_byteswap_ushort(42); // expected-warning{{implicitly declaring library function '_byteswap_ushort'}} \ |
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| 6 | // expected-note{{include the header <stdlib.h> or explicitly provide a declaration for '_byteswap_ushort'}} |
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| 7 | (void)_byteswap_uint64(42LL); // expected-warning{{implicitly declaring library function '_byteswap_uint64'}} \ |
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| 8 | // expected-note{{include the header <stdlib.h> or explicitly provide a declaration for '_byteswap_uint64'}} |
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| 9 | } |
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| 10 | |
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| 11 | void _byteswap_ulong(); // expected-warning{{incompatible redeclaration of library function '_byteswap_ulong'}} \ |
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| 12 | // expected-note{{'_byteswap_ulong' is a builtin}} |
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| 13 | |
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| 14 | unsigned short _byteswap_ushort(unsigned short); |
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| 15 | unsigned long long _byteswap_uint64(unsigned long long); |
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| 16 | |
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| 17 | void g() { |
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| 18 | (void)_byteswap_ushort(42); |
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| 19 | (void)_byteswap_uint64(42LL); |
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| 20 | } |
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| 21 | |
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| 22 | #if defined(__x86_64__) |
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| 23 | void h() { |
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| 24 | (void)__mulh(21, 2); // expected-warning{{implicitly declaring library function '__mulh'}} \ |
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| 25 | // expected-note{{include the header <intrin.h> or explicitly provide a declaration for '__mulh'}} |
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| 26 | (void)__umulh(21, 2); // expected-warning{{implicitly declaring library function '__umulh'}} \ |
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| 27 | // expected-note{{include the header <intrin.h> or explicitly provide a declaration for '__umulh'}} |
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| 28 | } |
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| 29 | |
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| 30 | long long __mulh(long long, long long); |
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| 31 | unsigned long long __umulh(unsigned long long, unsigned long long); |
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| 32 | |
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| 33 | void i() { |
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| 34 | (void)__mulh(21, 2); |
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| 35 | (void)__umulh(21, 2); |
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| 36 | } |
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| 37 | #endif |
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| 38 | |
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| 39 | #if defined(i386) |
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| 40 | void h() { |
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| 41 | (void)__mulh(21LL, 2LL); // expected-warning{{implicit declaration of function '__mulh' is invalid}} |
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| 42 | (void)__umulh(21ULL, 2ULL); // expected-warning{{implicit declaration of function '__umulh' is invalid}} |
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| 43 | } |
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| 44 | #endif |
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| 45 | |
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