gcc/testsuite/gcc.dg/tree-ssa/pta-callused.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 --param max-fields-for-field-sensitive=2 -fdump-tree-alias" } */
   3
   4 struct Foo {
   5   int *p, *q;
   6 };
   7
   8 int foo (int ***x) __attribute__((pure));
   9
  10 int bar (int b)
  11 {
  12   int i;
  13   struct Foo f;
  14   int *p, **q;
  15   p = &i;
  16   f.p = &i;
  17   f.q = f.p;
  18   if (b)
  19     q = &f.p;
  20   else
  21     q = &f.q;
  22   return foo (&q);
  23 }
  24
  25 /* { dg-final { scan-tree-dump "CALLUSED = { f.* i q }" "alias" } } */
  26 /* { dg-final { cleanup-tree-dump "alias" } } */
  27