llvm-project/clang/test/CodeGenCXX/microsoft-abi-vtables-singl...

114 lines
3.4 KiB
C++

// RUN: %clang_cc1 %s -fno-rtti -cxx-abi microsoft -triple=i386-pc-win32 -emit-llvm -fdump-vtable-layouts -o - > %t 2>&1
// RUN: FileCheck --check-prefix=EMITS-VTABLE %s < %t
// RUN: FileCheck --check-prefix=CHECK-A %s < %t
// RUN: FileCheck --check-prefix=CHECK-B %s < %t
// RUN: FileCheck --check-prefix=CHECK-C %s < %t
// RUN: FileCheck --check-prefix=CHECK-D %s < %t
// RUN: FileCheck --check-prefix=CHECK-E %s < %t
// RUN: FileCheck --check-prefix=CHECK-F %s < %t
// RUN: FileCheck --check-prefix=CHECK-G %s < %t
struct A {
// CHECK-A: Vtable for 'A' (3 entries)
// CHECK-A-NEXT: 0 | void A::f()
// CHECK-A-NEXT: 1 | void A::g()
// CHECK-A-NEXT: 2 | void A::h()
// EMITS-VTABLE: @"\01??_7A@@6B@" = unnamed_addr constant [3 x i8*]
virtual void f();
virtual void g();
virtual void h();
int ia;
};
void A::f() {}
struct B : A {
// CHECK-B: Vtable for 'B' (5 entries)
// CHECK-B-NEXT: 0 | void B::f()
// CHECK-B-NEXT: 1 | void A::g()
// CHECK-B-NEXT: 2 | void A::h()
// CHECK-B-NEXT: 3 | void B::i()
// CHECK-B-NEXT: 4 | void B::j()
// EMITS-VTABLE: @"\01??_7B@@6B@" = unnamed_addr constant [5 x i8*]
virtual void f(); // overrides A::f()
virtual void i();
virtual void j();
};
void B::f() {}
struct C {
// CHECK-C: Vtable for 'C' (2 entries)
// CHECK-C-NEXT: 0 | C::~C() [scalar deleting]
// CHECK-C-NEXT: 1 | void C::f()
// CHECK-C: VTable indices for 'C' (2 entries).
// CHECK-C-NEXT: 0 | C::~C() [scalar deleting]
// CHECK-C-NEXT: 1 | void C::f()
// Never used, so doesn't emit a vtable.
virtual ~C();
virtual void f();
};
void C::f() {}
struct D {
// CHECK-D: Vtable for 'D' (2 entries)
// CHECK-D-NEXT: 0 | void D::f()
// CHECK-D-NEXT: 1 | D::~D() [scalar deleting]
// EMITS-VTABLE: @"\01??_7D@@6B@" = unnamed_addr constant [2 x i8*]
virtual void f();
virtual ~D();
};
void D::f() {}
struct E : A {
// CHECK-E: Vtable for 'E' (5 entries)
// CHECK-E-NEXT: 0 | void A::f()
// CHECK-E-NEXT: 1 | void A::g()
// CHECK-E-NEXT: 2 | void A::h()
// CHECK-E-NEXT: 3 | E::~E() [scalar deleting]
// CHECK-E-NEXT: 4 | void E::i()
// CHECK-E: VTable indices for 'E' (2 entries).
// CHECK-E-NEXT: 3 | E::~E() [scalar deleting]
// CHECK-E-NEXT: 4 | void E::i()
// Never used, so doesn't emit a vtable.
virtual ~E();
virtual void i();
};
void E::i() {}
struct F : A {
// CHECK-F: Vtable for 'F' (5 entries)
// CHECK-F-NEXT: 0 | void A::f()
// CHECK-F-NEXT: 1 | void A::g()
// CHECK-F-NEXT: 2 | void A::h()
// CHECK-F-NEXT: 3 | void F::i()
// CHECK-F-NEXT: 4 | F::~F() [scalar deleting]
// CHECK-F: VTable indices for 'F' (2 entries).
// CHECK-F-NEXT: 3 | void F::i()
// CHECK-F-NEXT: 4 | F::~F() [scalar deleting]
// EMITS-VTABLE: @"\01??_7F@@6B@" = unnamed_addr constant [5 x i8*]
virtual void i();
virtual ~F();
};
void F::i() {}
struct G : E {
// CHECK-G: Vtable for 'G' (6 entries)
// CHECK-G-NEXT: 0 | void G::f()
// CHECK-G-NEXT: 1 | void A::g()
// CHECK-G-NEXT: 2 | void A::h()
// CHECK-G-NEXT: 3 | G::~G() [scalar deleting]
// CHECK-G-NEXT: 4 | void E::i()
// CHECK-G-NEXT: 5 | void G::j()
// CHECK-G: VTable indices for 'G' (3 entries).
// CHECK-G-NEXT: 0 | void G::f()
// CHECK-G-NEXT: 3 | G::~G() [scalar deleting]
// CHECK-G-NEXT: 5 | void G::j()
// Never used, so doesn't emit a vtable.
virtual void f(); // overrides A::f()
virtual ~G();
virtual void j();
};
void G::j() {}