gcc/testsuite/gcc.dg/tree-ssa/gen-vect-11.c

   1 /* { dg-do run { target vect_cmdline_needed } } */
   2 /* { dg-options "-O2 -ftree-vectorize -ftree-vectorizer-verbose=3 -fwrapv -fdump-tree-vect-stats" } */
   3
   4 #include <stdlib.h>
   5
   6 #define N 16
   7
   8 int main ()
   9 {
  10   int i;
  11   char ia[N];
  12   char ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  13   char ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  14
  15   for (i = 0; i < N; i++)
  16     {
  17       ia[i] = ib[i] + ic[i];
  18     }
  19
  20   /* check results:  */
  21   for (i = 0; i < N; i++)
  22     {
  23       if (ia[i] != ib[i] + ic[i])
  24         abort ();
  25     }
  26
  27   return 0;
  28 }
  29
  30
  31 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  32 /* { dg-final { cleanup-tree-dump "vect" } } */