Viewing file:  devirt-7.C (1.3 KB) -rw-r--r--
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/* 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" } */
/* { dg-add-options bind_pic_locally } */
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" } } */
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