Viewing file: devirt-c-4.C (1.36 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* Verify that ipa-cp correctly detects the dynamic type of an object under construction when doing devirtualization. */ /* { dg-do run } */ /* { dg-options "-O3 -fno-inline" } */
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; A(); virtual int foo (int i); };
class B : public Distraction, public A { public: B(); virtual int foo (int i); };
class C : public B { public: virtual int foo (int i); };
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 C::foo (int i) { return i + 3; }
int __attribute__ ((noinline,noclone)) get_input(void) { return 1; }
static int __attribute__ ((noinline)) middleman (class A *obj, int i) { return obj->foo (i); }
static void __attribute__ ((noinline)) sth2 (A *a) { if (a->foo (get_input ()) != 3) abort (); }
inline void __attribute__ ((always_inline)) sth1 (B *b) { sth2 (b); }
inline __attribute__ ((always_inline)) A::A() { if (middleman (this, get_input ()) != 2) abort (); }
B::B() : Distraction(), A() { sth1 (this); }
static void bah () { class C c; }
int main (int argc, char *argv[]) { int i;
for (i = 0; i < 10; i++) bah (); return 0; }
|