gcc/testsuite/gcc.dg/vect/pr59591-1.c

   1 /* PR tree-optimization/59591 */
   2 /* { dg-do run } */
   3 /* { dg-additional-options "-fopenmp-simd" } */
   4
   5 #ifndef CHECK_H
   6 #include "tree-vect.h"
   7 #endif
   8
   9 extern void abort (void);
  10
  11 int p[256], q[256], r[256], t[256];
  12
  13 __attribute__((noinline, noclone)) void
  14 foo (void)
  15 {
  16   int i;
  17   #pragma omp simd safelen(64)
  18   for (i = 0; i < 256; i++)
  19     if (r[i] > 32)
  20       t[i] = p[q[i] * 3L + 2L];
  21 }
  22
  23 __attribute__((noinline, noclone)) void
  24 bar (void)
  25 {
  26   int i;
  27   for (i = 0; i < 256; i++)
  28     {
  29       r[i] = ((i >> 2) & (1 << (i & 3))) ? 32 + i : 32 - i;
  30       q[i] = r[i] > 32 ? ((i * 7) % 84) : 99 + i;
  31       p[i] = i * 11;
  32       t[i] = i * 13;
  33     }
  34   foo ();
  35   for (i = 0; i < 256; i++)
  36     if ((i >> 2) & (1 << (i & 3)))
  37       {
  38         if (t[i] != (((i * 7) % 84) * 3 + 2) * 11)
  39           abort ();
  40       }
  41     else if (t[i] != i * 13)
  42       abort ();
  43 }
  44
  45 #ifndef CHECK_H
  46 int
  47 main ()
  48 {
  49   check_vect ();
  50   bar ();
  51   return 0;
  52 }
  53 #endif
  54
  55 /* { dg-final { cleanup-tree-dump "vect" } } */