gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-20.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-ethread-stats" } */
   3
   4 struct S { int base; };
   5 void foo (struct S *p)
   6 {
   7   if (p)
   8     {
   9       int *q = &p->base;
  10       if (q)
  11         __builtin_puts ("x");
  12     }
  13 }
  14
  15 /* { dg-final { scan-tree-dump "Jumps threaded: 1" "ethread" } } */