implicit-intel-builtin-decl.c
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// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +sse2 -fsyntax-only -verify %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +sse2 -fsyntax-only -verify %s -x c++
void f() {
(void)_mm_getcsr(); // expected-warning{{implicitly declaring library function '_mm_getcsr'}} \
// expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_getcsr'}}
_mm_setcsr(1); // expected-warning{{implicitly declaring library function '_mm_setcsr'}} \
// expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_setcsr'}}
_mm_sfence(); // expected-warning{{implicitly declaring library function '_mm_sfence'}} \
// expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_sfence'}}
_mm_clflush((void*)0); // expected-warning{{implicitly declaring library function '_mm_clflush'}} \
// expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_clflush'}}
_mm_lfence(); // expected-warning{{implicitly declaring library function '_mm_lfence'}} \
// expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_lfence'}}
_mm_mfence(); // expected-warning{{implicitly declaring library function '_mm_mfence'}} \
// expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_mfence'}}
_mm_pause(); // expected-warning{{implicitly declaring library function '_mm_pause'}} \
// expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_pause'}}
}
unsigned int _mm_getcsr();
void _mm_setcsr(unsigned int);
void _mm_sfence();
void _mm_clflush(void const *);
void _mm_lfence();
void _mm_mfence();
void _mm_pause();
void g() {
(void)_mm_getcsr();
_mm_setcsr(1);
_mm_sfence();
_mm_clflush((void*)0);
_mm_lfence();
_mm_mfence();
_mm_pause();
}