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// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm-only -fdump-vtable-layouts 2>&1 | FileCheck %s
namespace Test1 {
// CHECK: Vtable for 'Test1::A' (3 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test1::A RTTI
// CHECK-NEXT: -- (Test1::A, 0) vtable address --
// CHECK-NEXT: 2 | void Test1::A::f()
struct A {
virtual void f();
};
void A::f() { }
}
namespace Test2 {
// This is a smoke test of the vtable dumper.
// CHECK: Vtable for 'Test2::A' (9 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test2::A RTTI
// CHECK-NEXT: -- (Test2::A, 0) vtable address --
// CHECK-NEXT: 2 | void Test2::A::f()
// CHECK-NEXT: 3 | void Test2::A::f() const
// CHECK-NEXT: 4 | Test2::A *Test2::A::g(int)
// CHECK-NEXT: 5 | Test2::A::~A() [complete]
// CHECK-NEXT: 6 | Test2::A::~A() [deleting]
// CHECK-NEXT: 7 | void Test2::A::h()
// CHECK-NEXT: 8 | Test2::A &Test2::A::operator=(Test2::A const &)
struct A {
virtual void f();
virtual void f() const;
virtual A* g(int a);
virtual ~A();
virtual void h();
virtual A& operator=(const A&);
};
void A::f() { }
// Another simple vtable dumper test.
// CHECK: Vtable for 'Test2::B' (6 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test2::B RTTI
// CHECK-NEXT: -- (Test2::B, 0) vtable address --
// CHECK-NEXT: 2 | void Test2::B::f()
// CHECK-NEXT: 3 | void Test2::B::g() [pure]
// CHECK-NEXT: 4 | Test2::B::~B() [complete] [pure]
// CHECK-NEXT: 5 | Test2::B::~B() [deleting] [pure]
struct B {
virtual void f();
virtual void g() = 0;
virtual ~B() = 0;
};
void B::f() { }
}
namespace Test3 {
// If a function in a derived class overrides a function in a primary base,
// then the function should not have an entry in the derived class (unless the return
// value requires adjusting).
// CHECK: Vtable for 'Test3::A' (3 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test3::A RTTI
// CHECK-NEXT: -- (Test3::A, 0) vtable address --
// CHECK-NEXT: 2 | void Test3::A::f()
struct A {
virtual void f();
};
void A::f() { }
// CHECK: Vtable for 'Test3::B' (4 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test3::B RTTI
// CHECK-NEXT: -- (Test3::A, 0) vtable address --
// CHECK-NEXT: -- (Test3::B, 0) vtable address --
// CHECK-NEXT: 2 | void Test3::B::f()
// CHECK-NEXT: 3 | void Test3::B::g()
struct B : A {
virtual void f();
virtual void g();
};
void B::f() { }
// CHECK: Vtable for 'Test3::C' (5 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test3::C RTTI
// CHECK-NEXT: -- (Test3::A, 0) vtable address --
// CHECK-NEXT: -- (Test3::C, 0) vtable address --
// CHECK-NEXT: 2 | void Test3::A::f()
// CHECK-NEXT: 3 | void Test3::C::g()
// CHECK-NEXT: 4 | void Test3::C::h()
struct C : A {
virtual void g();
virtual void h();
};
void C::g() { }
// CHECK: Vtable for 'Test3::D' (5 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test3::D RTTI
// CHECK-NEXT: -- (Test3::A, 0) vtable address --
// CHECK-NEXT: -- (Test3::B, 0) vtable address --
// CHECK-NEXT: -- (Test3::D, 0) vtable address --
// CHECK-NEXT: 2 | void Test3::D::f()
// CHECK-NEXT: 3 | void Test3::D::g()
// CHECK-NEXT: 4 | void Test3::D::h()
struct D : B {
virtual void f();
virtual void g();
virtual void h();
};
void D::f() { }
}
namespace Test4 {
// Test non-virtual result adjustments.
struct R1 { int r1; };
struct R2 { int r2; };
struct R3 : R1, R2 { int r3; };
struct A {
virtual R2 *f();
};
// CHECK: Vtable for 'Test4::B' (4 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test4::B RTTI
// CHECK-NEXT: -- (Test4::A, 0) vtable address --
// CHECK-NEXT: -- (Test4::B, 0) vtable address --
// CHECK-NEXT: 2 | Test4::R3 *Test4::B::f()
// CHECK-NEXT: [return adjustment: 4 non-virtual]
// CHECK-NEXT: 3 | Test4::R3 *Test4::B::f()
struct B : A {
virtual R3 *f();
};
R3 *B::f() { return 0; }
// Test virtual result adjustments.
struct V1 { int v1; };
struct V2 : virtual V1 { int v1; };
struct C {
virtual V1 *f();
};
// CHECK: Vtable for 'Test4::D' (4 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test4::D RTTI
// CHECK-NEXT: -- (Test4::C, 0) vtable address --
// CHECK-NEXT: -- (Test4::D, 0) vtable address --
// CHECK-NEXT: 2 | Test4::V2 *Test4::D::f()
// CHECK-NEXT: [return adjustment: 0 non-virtual, -24 vbase offset offset]
// CHECK-NEXT: 3 | Test4::V2 *Test4::D::f()
struct D : C {
virtual V2 *f();
};
V2 *D::f() { return 0; };
// Virtual result adjustments with an additional non-virtual adjustment.
struct V3 : virtual R3 { int r3; };
// CHECK: Vtable for 'Test4::E' (4 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test4::E RTTI
// CHECK-NEXT: -- (Test4::A, 0) vtable address --
// CHECK-NEXT: -- (Test4::E, 0) vtable address --
// CHECK-NEXT: 2 | Test4::V3 *Test4::E::f()
// CHECK-NEXT: [return adjustment: 4 non-virtual, -24 vbase offset offset]
// CHECK-NEXT: 3 | Test4::V3 *Test4::E::f()
struct E : A {
virtual V3 *f();
};
V3 *E::f() { return 0;}
// Test that a pure virtual member doesn't get a thunk.
// CHECK: Vtable for 'Test4::F' (5 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test4::F RTTI
// CHECK-NEXT: -- (Test4::A, 0) vtable address --
// CHECK-NEXT: -- (Test4::F, 0) vtable address --
// CHECK-NEXT: 2 | Test4::R3 *Test4::F::f() [pure]
// CHECK-NEXT: 3 | void Test4::F::g()
// CHECK-NEXT: 4 | Test4::R3 *Test4::F::f() [pure]
struct F : A {
virtual void g();
virtual R3 *f() = 0;
};
void F::g() { }
}
// For now, just verify this doesn't crash.
namespace test0 {
struct Obj {};
struct Base { virtual const Obj *foo() = 0; };
struct Derived : Base { virtual Obj *foo() { return new Obj(); } };
void test(Derived *D) { D->foo(); }
}
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