gcc/testsuite/gcc.dg/vect/vect-early-break_118-pr114068.c

   1 /* { dg-do compile } */
   2 /* { dg-add-options vect_early_break } */
   3 /* { dg-require-effective-target vect_early_break } */
   4 /* { dg-require-effective-target vect_int } */
   5 /* { dg-additional-options "-O3" } */
   6
   7 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */
   8
   9 struct h {
  10   int b;
  11   int f;
  12 } k;
  13
  14 void n(int m) {
  15   struct h a = k;
  16   for (int o = m; o; ++o) {
  17     if (a.f)
  18       __builtin_unreachable();
  19     if (o > 1)
  20       __builtin_unreachable();
  21     *(&k.b + o) = 1;
  22   }
  23 }