gcc/testsuite/gcc.dg/vect/vect-early-break_43.c

   1 /* { dg-add-options vect_early_break } */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target vect_early_break } */
   4 /* { dg-require-effective-target vect_int } */
   5
   6 #ifndef N
   7 #define N 802
   8 #endif
   9 unsigned vect_a[N];
  10 unsigned vect_b[N];
  11
  12 unsigned test4(unsigned x)
  13 {
  14  unsigned ret = 0;
  15  for (int i = 0; i < N; i+=2)
  16  {
  17    vect_b[i] = x + i;
  18    vect_b[i+1] = x + i + 1;
  19    if (vect_a[i]*2 > x)
  20      break;
  21    if (vect_a[i+1]*2 > x)
  22      break;
  23    vect_a[i] = x;
  24    vect_a[i+1] = x;
  25
  26  }
  27  return ret;
  28 }
  29
  30 /* { dg-final { scan-tree-dump "vectorized 1 loops in function" "vect" } } */