clang/test/Sema/implicit-intel-builtin-decl.c

   1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +sse2 -fsyntax-only -verify=expected,c %s
   2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +sse2 -fsyntax-only -verify=expected,cxx %s -x c++
   3
   4 void f(void) {
   5   (void)_mm_getcsr(); // cxx-warning{{implicitly declaring library function '_mm_getcsr'}} \
   6                          c-error{{call to undeclared library function '_mm_getcsr'}} \
   7                          expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_getcsr'}}
   8   _mm_setcsr(1); // cxx-warning{{implicitly declaring library function '_mm_setcsr'}} \
   9                     c-error{{call to undeclared library function '_mm_setcsr'}} \
  10                     expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_setcsr'}}
  11   _mm_sfence(); // cxx-warning{{implicitly declaring library function '_mm_sfence'}} \
  12                    c-error{{call to undeclared library function '_mm_sfence'}} \
  13                    expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_sfence'}}
  14
  15   _mm_clflush((void*)0); // cxx-warning{{implicitly declaring library function '_mm_clflush'}} \
  16                             c-error{{call to undeclared library function '_mm_clflush'}} \
  17                             expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_clflush'}}
  18   _mm_lfence(); // cxx-warning{{implicitly declaring library function '_mm_lfence'}} \
  19                    c-error{{call to undeclared library function '_mm_lfence'}} \
  20                    expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_lfence'}}
  21   _mm_mfence(); // cxx-warning{{implicitly declaring library function '_mm_mfence'}} \
  22                    c-error{{call to undeclared library function '_mm_mfence'}} \
  23                    expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_mfence'}}
  24   _mm_pause(); // cxx-warning{{implicitly declaring library function '_mm_pause'}} \
  25                   c-error{{call to undeclared library function '_mm_pause'}} \
  26                   expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_pause'}}
  27 }
  28
  29 unsigned int _mm_getcsr(void);
  30 void _mm_setcsr(unsigned int);
  31 void _mm_sfence(void);
  32
  33 void _mm_clflush(void const *);
  34 void _mm_lfence(void);
  35 void _mm_mfence(void);
  36 void _mm_pause(void);
  37
  38 void g(void) {
  39   (void)_mm_getcsr();
  40   _mm_setcsr(1);
  41   _mm_sfence();
  42
  43   _mm_clflush((void*)0);
  44   _mm_lfence();
  45   _mm_mfence();
  46   _mm_pause();
  47 }