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// RUN: %clang_cc1 -fms-extensions -fexceptions -fcxx-exceptions -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>&1 | FileCheck %s
struct Base {
virtual ~Base() {}
virtual void BaseFunc() {}
};
#pragma vtordisp(0)
struct Container {
static void f() try {
#pragma vtordisp(2)
struct HasVtorDisp : virtual Base {
virtual ~HasVtorDisp() {}
virtual void Func() {}
};
int x[sizeof(HasVtorDisp)];
// HasVtorDisp: vtordisp because of pragma right before it.
//
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct HasVtorDisp
// CHECK-NEXT: 0 | (HasVtorDisp vftable pointer)
// CHECK-NEXT: 8 | (HasVtorDisp vbtable pointer)
// CHECK-NEXT: 20 | (vtordisp for vbase Base)
// CHECK-NEXT: 24 | struct Base (virtual base)
// CHECK-NEXT: 24 | (Base vftable pointer)
// CHECK-NEXT: | [sizeof=32, align=8,
// CHECK-NEXT: | nvsize=16, nvalign=8]
} catch (...) {
}
};
struct NoVtorDisp1 : virtual Base {
virtual ~NoVtorDisp1() {}
virtual void Func() {}
};
int x1[sizeof(NoVtorDisp1)];
// NoVtroDisp1: no vtordisp because of pragma disabling it.
//
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct NoVtorDisp1
// CHECK-NEXT: 0 | (NoVtorDisp1 vftable pointer)
// CHECK-NEXT: 8 | (NoVtorDisp1 vbtable pointer)
// CHECK-NEXT: 16 | struct Base (virtual base)
// CHECK-NEXT: 16 | (Base vftable pointer)
// CHECK-NEXT: | [sizeof=24, align=8,
// CHECK-NEXT: | nvsize=16, nvalign=8]
struct Container2 {
static void f1() {
// Local pragma #1 - must be disabled on exit from f1().
#pragma vtordisp(push, 2)
struct HasVtorDisp1 : virtual Base {
virtual ~HasVtorDisp1() {}
virtual void Func() {}
};
int x2[sizeof(HasVtorDisp1)];
// HasVtorDisp1: vtordisp because of pragma right before it.
//
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct HasVtorDisp1
// CHECK-NEXT: 0 | (HasVtorDisp1 vftable pointer)
// CHECK-NEXT: 8 | (HasVtorDisp1 vbtable pointer)
// CHECK-NEXT: 20 | (vtordisp for vbase Base)
// CHECK-NEXT: 24 | struct Base (virtual base)
// CHECK-NEXT: 24 | (Base vftable pointer)
// CHECK-NEXT: | [sizeof=32, align=8,
// CHECK-NEXT: | nvsize=16, nvalign=8]
struct InnerContainer {
static void g1() {
struct HasVtorDisp2 : virtual Base {
virtual ~HasVtorDisp2() {}
virtual void Func() {}
};
int x3[sizeof(HasVtorDisp2)];
// HasVtorDisp2: vtordisp because of vtordisp(2) in f1().
//
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct HasVtorDisp2
// CHECK-NEXT: 0 | (HasVtorDisp2 vftable pointer)
// CHECK-NEXT: 8 | (HasVtorDisp2 vbtable pointer)
// CHECK-NEXT: 20 | (vtordisp for vbase Base)
// CHECK-NEXT: 24 | struct Base (virtual base)
// CHECK-NEXT: 24 | (Base vftable pointer)
// CHECK-NEXT: | [sizeof=32, align=8,
// CHECK-NEXT: | nvsize=16, nvalign=8]
// Local pragma #2 - must be disabled on exit from g1().
#pragma vtordisp(push, 0)
struct NoVtorDisp2 : virtual Base {
virtual ~NoVtorDisp2() {}
virtual void Func() {}
};
int x4[sizeof(NoVtorDisp2)];
// NoVtroDisp2: no vtordisp because of vtordisp(0) in g1().
//
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct NoVtorDisp2
// CHECK-NEXT: 0 | (NoVtorDisp2 vftable pointer)
// CHECK-NEXT: 8 | (NoVtorDisp2 vbtable pointer)
// CHECK-NEXT: 16 | struct Base (virtual base)
// CHECK-NEXT: 16 | (Base vftable pointer)
// CHECK-NEXT: | [sizeof=24, align=8,
// CHECK-NEXT: | nvsize=16, nvalign=8]
}
static void g2() {
struct HasVtorDisp3 : virtual Base {
virtual ~HasVtorDisp3() {}
virtual void Func() {}
};
int x5[sizeof(HasVtorDisp3)];
// HasVtorDisp3: vtordisp because of vtordisp(2) in f1(),
// local vtordisp(0) in g1() is disabled.
//
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct HasVtorDisp3
// CHECK-NEXT: 0 | (HasVtorDisp3 vftable pointer)
// CHECK-NEXT: 8 | (HasVtorDisp3 vbtable pointer)
// CHECK-NEXT: 20 | (vtordisp for vbase Base)
// CHECK-NEXT: 24 | struct Base (virtual base)
// CHECK-NEXT: 24 | (Base vftable pointer)
// CHECK-NEXT: | [sizeof=32, align=8,
// CHECK-NEXT: | nvsize=16, nvalign=8]
}
};
struct HasVtorDisp4 : virtual Base {
virtual ~HasVtorDisp4() {}
virtual void Func() {}
};
int x6[sizeof(HasVtorDisp4)];
// HasVtorDisp4: vtordisp because of vtordisp(2) in f1(),
// local vtordisp(0) in g1() is disabled,
// g2() has no pragmas - stack is not affected.
//
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct HasVtorDisp4
// CHECK-NEXT: 0 | (HasVtorDisp4 vftable pointer)
// CHECK-NEXT: 8 | (HasVtorDisp4 vbtable pointer)
// CHECK-NEXT: 20 | (vtordisp for vbase Base)
// CHECK-NEXT: 24 | struct Base (virtual base)
// CHECK-NEXT: 24 | (Base vftable pointer)
// CHECK-NEXT: | [sizeof=32, align=8,
// CHECK-NEXT: | nvsize=16, nvalign=8]
InnerContainer::g1();
InnerContainer::g2();
}
static void f2() {
struct NoVtorDisp3 : virtual Base {
virtual ~NoVtorDisp3() {}
virtual void Func() {}
};
int x7[sizeof(NoVtorDisp3)];
// NoVtroDisp3: no vtordisp because of global pragma (0),
// local vtordisp(2) is disabled on exit from f1().
//
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct NoVtorDisp3
// CHECK-NEXT: 0 | (NoVtorDisp3 vftable pointer)
// CHECK-NEXT: 8 | (NoVtorDisp3 vbtable pointer)
// CHECK-NEXT: 16 | struct Base (virtual base)
// CHECK-NEXT: 16 | (Base vftable pointer)
// CHECK-NEXT: | [sizeof=24, align=8,
// CHECK-NEXT: | nvsize=16, nvalign=8]
}
};
struct Container3 {
#pragma vtordisp(2)
struct HasVtorDisp5 : virtual Base {
virtual ~HasVtorDisp5() {}
virtual void Func() {}
};
int x8[sizeof(HasVtorDisp5)];
// HasVtorDisp5: vtordisp because of pragma right before it.
//
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct Container3::HasVtorDisp5
// CHECK-NEXT: 0 | (HasVtorDisp5 vftable pointer)
// CHECK-NEXT: 8 | (HasVtorDisp5 vbtable pointer)
// CHECK-NEXT: 20 | (vtordisp for vbase Base)
// CHECK-NEXT: 24 | struct Base (virtual base)
// CHECK-NEXT: 24 | (Base vftable pointer)
// CHECK-NEXT: | [sizeof=32, align=8,
// CHECK-NEXT: | nvsize=16, nvalign=8]
};
int main() {
Container::f();
Container2::f1();
Container2::f2();
Container3 cont3;
return 0;
};
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