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      1 // RUN: %clangxx_cfi -o %t %s
      2 // RUN: %t
      3 
      4 // Tests that the CFI mechanism does not crash the program when making various
      5 // kinds of valid calls involving classes with various different linkages and
      6 // types of inheritance, and both virtual and non-virtual member functions.
      7 
      8 #include "utils.h"
      9 
     10 struct A {
     11   virtual void f();
     12   void g();
     13 };
     14 
     15 void A::f() {}
     16 void A::g() {}
     17 
     18 struct A2 : A {
     19   virtual void f();
     20   void g();
     21 };
     22 
     23 void A2::f() {}
     24 void A2::g() {}
     25 
     26 struct B {
     27   virtual void f() {}
     28   void g() {}
     29 };
     30 
     31 struct B2 : B {
     32   virtual void f() {}
     33   void g() {}
     34 };
     35 
     36 namespace {
     37 
     38 struct C {
     39   virtual void f();
     40   void g();
     41 };
     42 
     43 void C::f() {}
     44 void C::g() {}
     45 
     46 struct C2 : C {
     47   virtual void f();
     48   void g();
     49 };
     50 
     51 void C2::f() {}
     52 void C2::g() {}
     53 
     54 struct D {
     55   virtual void f() {}
     56   void g() {}
     57 };
     58 
     59 struct D2 : D {
     60   virtual void f() {}
     61   void g() {}
     62 };
     63 
     64 }
     65 
     66 struct E {
     67   virtual void f() {}
     68   void g() {}
     69 };
     70 
     71 struct E2 : virtual E {
     72   virtual void f() {}
     73   void g() {}
     74 };
     75 
     76 int main() {
     77   A *a = new A;
     78   break_optimization(a);
     79   a->f();
     80   a->g();
     81   a = new A2;
     82   break_optimization(a);
     83   a->f();
     84   a->g();
     85 
     86   B *b = new B;
     87   break_optimization(b);
     88   b->f();
     89   b->g();
     90   b = new B2;
     91   break_optimization(b);
     92   b->f();
     93   b->g();
     94 
     95   C *c = new C;
     96   break_optimization(c);
     97   c->f();
     98   c->g();
     99   c = new C2;
    100   break_optimization(c);
    101   c->f();
    102   c->g();
    103 
    104   D *d = new D;
    105   break_optimization(d);
    106   d->f();
    107   d->g();
    108   d = new D2;
    109   break_optimization(d);
    110   d->f();
    111   d->g();
    112 
    113   E *e = new E;
    114   break_optimization(e);
    115   e->f();
    116   e->g();
    117   e = new E2;
    118   break_optimization(e);
    119   e->f();
    120   e->g();
    121 }
    122