gcc/testsuite/gcc.dg/tree-ssa/pr91091-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-fre1" } */
   3
   4 struct s { int x; };
   5 struct t { int x; };
   6
   7 void swap(struct s* p, struct t* q)
   8 {
   9   p->x = q->x;
  10   q->x = p->x;
  11 }
  12
  13 /* The second statement is redundant.  */
  14 /* { dg-final { scan-tree-dump-times "x = " 1 "fre1" { xfail { ! natural_alignment_32 } } } } */
  15 /* { dg-final { scan-tree-dump-times " = \[^;\]*x;" 1 "fre1" } } */