gcc/testsuite/gcc.dg/vect/vect-simd-clone-15.c

   1 /* { dg-require-effective-target vect_simd_clones } */
   2 /* { dg-additional-options "-fopenmp-simd" } */
   3 /* { dg-additional-options "-mavx" { target avx_runtime } } */
   4
   5 #include "tree-vect.h"
   6
   7 #ifndef N
   8 #define N 1024
   9 #endif
  10
  11 int array[N];
  12
  13 #pragma omp declare simd linear(val(b):-3), notinbranch
  14 __attribute__((noinline)) int
  15 foo (int a, int b)
  16 {
  17   return a + b;
  18 }
  19
  20 __attribute__((noinline, noclone)) void
  21 bar ()
  22 {
  23   int i;
  24 #pragma omp simd
  25   for (i = 0; i < N; ++i)
  26     array[i] = foo (i >> 1, -i * 3);
  27 }
  28
  29 int
  30 main ()
  31 {
  32   int i;
  33   check_vect ();
  34   bar ();
  35 #pragma GCC novector
  36   for (i = 0; i < N; i++)
  37     if (array[i] != ((i >> 1) + (-3 * i)))
  38       abort ();
  39   return 0;
  40 }