1  /* { dg-require-effective-target vect_int } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 124
       7  #define OFF 4
       8  
       9  /* Check handling of accesses for which the "initial condition" -
      10     the expression that represents the first location accessed - is
      11     more involved than just an ssa_name.  */
      12  
      13  int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17};
      14  int ic[N+OFF] = {0, 1, 3, 5, 7, 11, 13, 17};
      15  
      16  __attribute__ ((noinline))
      17  int main1 (int *pib)
      18  {
      19    int i;
      20    int ia[N+OFF];
      21    for (i = OFF; i < N+OFF; i++)
      22      {
      23        ib[i] = ib[i%8]*(i/8);
      24        ic[i] = ic[i%8]*(i/8);
      25        asm volatile ("" ::: "memory");
      26      }
      27  
      28    for (i = OFF; i < N; i++)
      29      {
      30        ia[i] = pib[i - OFF];
      31      }
      32  
      33  
      34    /* check results:  */
      35    for (i = OFF; i < N; i++)
      36      {
      37       if (ia[i] != pib[i - OFF])
      38          abort ();
      39      }
      40  
      41    for (i = 0; i < N; i++)
      42      {
      43        ia[i] = pib[i - OFF];
      44      }
      45  
      46  
      47    /* check results:  */
      48    for (i = 0; i < N; i++)
      49      {
      50       if (ia[i] != pib[i - OFF])
      51          abort ();
      52      }
      53  
      54    for (i = OFF; i < N; i++)
      55      {
      56        ia[i] = ic[i - OFF];
      57      }
      58  
      59  
      60    /* check results:  */
      61    for (i = OFF; i < N; i++)
      62      {
      63       if (ia[i] != ic[i - OFF])
      64          abort ();
      65      }
      66  
      67    return 0;
      68  }
      69  
      70  int main (void)
      71  {
      72    check_vect ();
      73  
      74    main1 (&ib[OFF]);
      75    return 0;
      76  }
      77  
      78  
      79  /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" } } */