gcc/testsuite/gcc.dg/vect/vect-early-break_32.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 /* { dg-additional-options "-Ofast" } */
   7
   8 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */
   9
  10 #ifndef N
  11 #define N 1024
  12 #endif
  13 unsigned vect_a[N];
  14 unsigned vect_b[N];
  15
  16 unsigned test4(unsigned x)
  17 {
  18  unsigned ret = 0;
  19  for (int i = 0; i < N; i++)
  20  {
  21    vect_b[i] = x + i;
  22    if (vect_a[i] > x)
  23      return vect_a[i];
  24    vect_a[i] = x;
  25    ret = vect_a[i] + vect_b[i];
  26  }
  27  return ret;
  28 }
  29
  30 /* { dg-final { scan-tree-dump "vectorized 1 loops in function" "vect" } } */