Viewing file:  imm-devirt-2.C (1.42 KB) -rw-r--r--
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/* Verify that virtual calls are folded even early inlining puts them into one
function with the definition. */
/* { dg-do run } */
/* { dg-options "-O2 -fdump-tree-einline" } */
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);
};
class B : public A
{
public:
int data_2;
virtual int foo (int i);
virtual int baz (int i);
};
class C : public Distraction, public B
{
public:
__attribute__ ((noinline)) C();
virtual int foo (int i);
};
float __attribute__ ((noinline)) Distraction::bar (float z)
{
f += z;
return f/2;
}
int __attribute__ ((noinline)) A::foo (int i)
{
return i + 1;
}
int __attribute__ ((noinline)) B::foo (int i)
{
return i + 2;
}
int __attribute__ ((noinline)) B::baz (int i)
{
return i * 15;
}
int __attribute__ ((noinline)) C::foo (int i)
{
return i + 3;
}
int __attribute__ ((noinline,noclone)) get_input(void)
{
return 1;
}
static inline int middleman (class A *obj, int i)
{
return obj->foo (i);
}
__attribute__ ((noinline)) C::C()
{
}
int main (int argc, char *argv[])
{
class C c;
if (middleman (&c, get_input ()) != 4)
abort ();
return 0;
}
/* We fold into thunk of C. Eventually we should inline the thunk. */
/* { dg-final { scan-tree-dump "C::_ZThn\[0-9\]+_N1C3fooEi \\(" "einline" } } */
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