Subversion Repositories openrisc

/* Verify that ipa-cp correctly detects the dynamic type of an object

   under construction when doing devirtualization.  */

/* { 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;

  A();

  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;

}

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

{

  return obj->foo (i);

}

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

{

  return 1;

}

A::A ()

{

  if (middleman (this, get_input ()) != 2)

    abort ();

}

static void bah ()

{

  class B b;

}

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

{

  int i;

  for (i = 0; i < 10; i++)

    bah ();

  return 0;

}

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