gcc/testsuite/gcc.dg/tree-ssa/modref-11.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-modref1 -fno-ipa-pure-const"  } */
   3 struct linkedlist {
   4   struct linkedlist *next;
   5 };
   6 struct linkedlist *
   7 find_last (struct linkedlist *l)
   8 {
   9   while (l->next)
  10    l = l->next;
  11   return l;
  12 }
  13 /* { dg-final { scan-tree-dump "parm 0 flags: no_direct_clobber no_indirect_clobber no_direct_escape no_indirect_escape" "modref1"} } */