218 lines
7.5 KiB
C++
218 lines
7.5 KiB
C++
|
// 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;
|
||
|
|
};
|