gcc/testsuite/gcc.dg/tree-ssa/alias-access-path-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-fre1" } */
   3 struct a {
   4   int val;
   5 };
   6 struct b {
   7   struct a a[10],a2[10];
   8 };
   9 struct c {
  10   struct b b[10];
  11 } *cptr;
  12
  13 struct d {struct c c;} *dptr;
  14
  15 int
  16 test (int i, int j, int k, int l)
  17 {
  18   cptr->b[i].a[j].val=123;
  19   dptr->c.b[k].a2[l].val=2;
  20   return cptr->b[i].a[j].val;
  21 }
  22 /* { dg-final { scan-tree-dump-times "return 123" 1 "fre1"} } */