Subversion Repositories openrisc

/* Verify that simple virtual calls on an object refrence are

   converted to simple calls by ipa-cp.  */

/* { 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 float distraction (float f);

  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);

};

float A::distraction (float f)

{

  f += 6.2;

  return f/2;

}

int A::foo (int i)

{

  return i + 1;

}

int B::foo (int i)

{

  return i + 2;

}

int C::foo (int i)

{

  return i + 3;

}

static int middleman (class A &obj, int i)

{

  return obj.foo (i);

}

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

{

  return 1;

}

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

{

  class B b;

  if (middleman (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" } } */