gcc/testsuite/gcc.dg/vect/vect-simd-clone-7.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 a[N];
  12 long long int b[N];
  13 short c[N];
  14
  15 #pragma omp declare simd
  16 #pragma omp declare simd uniform(b) linear(c:3)
  17 __attribute__((noinline)) short
  18 foo (int a, long long int b, int c)
  19 {
  20   return a + b + c;
  21 }
  22
  23 __attribute__((noinline, noclone)) void
  24 bar (int x)
  25 {
  26   int i;
  27   if (x == 0)
  28     {
  29     #pragma omp simd
  30       for (i = 0; i < N; i++)
  31         c[i] = foo (a[i], b[i], c[i]);
  32     }
  33   else
  34     {
  35     #pragma omp simd
  36       for (i = 0; i < N; i++)
  37         c[i] = foo (a[i], x, i * 3);
  38     }
  39 }
  40
  41 __attribute__((noinline, noclone)) void
  42 baz (void)
  43 {
  44   int i;
  45   for (i = 0; i < N; i++)
  46     {
  47       a[i] = 2 * i;
  48       b[i] = -7 * i + 6;
  49       c[i] = (i & 31) << 4;
  50     }
  51 }
  52
  53 int
  54 main ()
  55 {
  56   int i;
  57   check_vect ();
  58   baz ();
  59   bar (0);
  60   for (i = 0; i < N; i++)
  61     if (a[i] != 2 * i || b[i] != 6 - 7 * i
  62         || c[i] != 6 - 5 * i + ((i & 31) << 4))
  63       abort ();
  64     else
  65       a[i] = c[i];
  66   bar (17);
  67   for (i = 0; i < N; i++)
  68     if (a[i] != 6 - 5 * i + ((i & 31) << 4)
  69         || b[i] != 6 - 7 * i
  70         || c[i] != 23 - 2 * i + ((i & 31) << 4))
  71       abort ();
  72   return 0;
  73 }
  74