gcc/testsuite/gcc.dg/tree-ssa/forwprop-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-forwprop1" } */
   3
   4 struct bar {
   5   int a[2];
   6 };
   7
   8 int foo(struct bar *x)
   9 {
  10   int *p = &x->a[0];
  11   int *q = &x->a[1];
  12   if (p < q)
  13     return 1;
  14   return 0;
  15 }
  16
  17 /* { dg-final { scan-tree-dump "Replaced .p_. < q_.. with .1." "forwprop1" } } */
  18 /* { dg-final { cleanup-tree-dump "forwprop1" } } */