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/* Verify that ipa-co can convert virtual calls to direct ones even

   when a typecast to an ancestor is involved along the way.  */

/* { dg-do run } */

/* { dg-options "-O3 -fno-early-inlining -fno-inline -fdump-ipa-cp -fdump-tree-optimized"  } */

extern "C" void abort (void);

class A

{

public:

  int data;

  virtual int foo (int i);

};

class B : public A

{

public:

  virtual int foo (int i);

};

class C : public A

{

public:

  virtual int foo (int i);

};

int A::foo (int i)

{

  return i + 1;

}

int B::foo (int i)

{

  return i + 2;

}

int C::foo (int i)

{

  return i + 3;

}

int __attribute__ ((noinline,noclone)) get_input(void)

{

  return 1;

}

static int middleman_1 (class A *obj, int i)

{

  return obj->foo (i);

}

static int middleman_2 (class B *obj, int i)

{

  return middleman_1 (obj, i);

}

int main (int argc, char *argv[])

{

  class B b;

  if (middleman_2 (&b, get_input ()) != 3)

    abort ();

  return 0;

}

/* { dg-final { scan-ipa-dump "Discovered a virtual call to a known target.*B::foo"  "cp"  } } */

/* { dg-final { scan-tree-dump-times "OBJ_TYPE_REF" 0 "optimized"} } */

/* { dg-final { cleanup-ipa-dump "cp" } } */

/* { dg-final { cleanup-tree-dump "optimized" } } */