main/gcc/testsuite/gcc.dg/vect/pr59591-2.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 long long int p[256], r[256], t[256];
  12 int q[256];
  13
  14 __attribute__((noinline, noclone)) void
  15 foo (void)
  16 {
  17   int i;
  18   #pragma omp simd safelen(64)
  19   for (i = 0; i < 256; i++)
  20     if (r[i] > 32LL)
  21       t[i] = p[q[i]];
  22 }
  23
  24 __attribute__((noinline, noclone)) void
  25 bar (void)
  26 {
  27   int i;
  28   for (i = 0; i < 256; i++)
  29     {
  30       r[i] = ((i >> 2) & (1 << (i & 3))) ? 32 + i : 32 - i;
  31       q[i] = r[i] > 32 ? ((i * 7) % 256) : 258 + i;
  32       p[i] = i * 11;
  33       t[i] = i * 13;
  34     }
  35   foo ();
  36   for (i = 0; i < 256; i++)
  37     if ((i >> 2) & (1 << (i & 3)))
  38       {
  39         if (t[i] != ((i * 7) % 256) * 11)
  40           abort ();
  41       }
  42     else if (t[i] != i * 13)
  43       abort ();
  44 }
  45
  46 #ifndef CHECK_H
  47 int
  48 main ()
  49 {
  50   check_vect ();
  51   bar ();
  52   return 0;
  53 }
  54 #endif
  55
  56 /* { dg-final { cleanup-tree-dump "vect" } } */