1  /* Disabling epilogues until we find a better way to deal with scans.  */
       2  /* { dg-additional-options "--param vect-epilogues-nomask=0" } */
       3  /* { dg-require-effective-target vect_int } */
       4  
       5  #include <stdarg.h>
       6  #include "tree-vect.h"
       7  
       8  #define N 16
       9  
      10  unsigned int ub[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
      11  unsigned int uc[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
      12  
      13  /* Vectorization of reduction using loop-aware SLP (with unrolling).  */
      14  
      15  __attribute__ ((noinline))
      16  int main1 (int n, int res0, int res1, int res2, int res3)
      17  {
      18    int i;
      19    unsigned int udiff0 = 5, udiff1 = 10;
      20  
      21    for (i = 0; i < n; i++) {
      22      udiff1 += (ub[2*i + 1] - uc[2*i + 1]);
      23      udiff0 += (ub[2*i] - uc[2*i]);
      24    }
      25  
      26    /* Check results:  */
      27    if (udiff0 != res0
      28        || udiff1 != res1)
      29      abort ();
      30  
      31    return 0;
      32  }
      33  
      34  int main (void)
      35  {
      36    check_vect ();
      37  
      38    main1 (N/2, 117, 138, 84, 102);
      39    return 0;
      40  }
      41  
      42  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_int_add } } } */
      43  /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { xfail vect_no_int_add } } } */
      44  /* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
      45