Subversion Repositories openrisc

/* Verify that IPA-CP can do devirtualization even if the virtual call

   comes from a method that has been early-inlined into a descendant.  */

/* { dg-do run } */

/* { dg-options "-O3 -fdump-ipa-cp"  } */

extern "C" void abort (void);

class Distraction

{

public:

  float f;

  double d;

  Distraction ()

  {

    f = 8.3;

    d = 10.2;

  }

  virtual float bar (float z);

};

class A

{

public:

  int data;

  virtual int foo (int i);

  int middleman_1 (int i);

};

class B : public Distraction, public A

{

public:

  virtual int foo (int i);

  int middleman_2 (int i);

  __attribute__ ((noinline)) B();

};

float Distraction::bar (float z)

{

  f += z;

  return f/2;

}

int A::foo (int i)

{

  return i + 1;

}

int B::foo (int i)

{

  return i + 2;

}

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

{

  return 1;

}

int inline __attribute__ ((always_inline))

A::middleman_1 (int i)

{

  return this->foo (i);

}

int __attribute__ ((noinline))

B::middleman_2 (int i)

{

  return this->middleman_1 (i);

}

B::B ()

{

}

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

{

  class B b;

  int i;

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

    if (b.middleman_2 (get_input ()) != 3)

      abort ();

  return 0;

}

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

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