// RUN: %clang_cc1 -fno-rtti -fms-extensions -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>&1 \ // RUN: | FileCheck %s // RUN: %clang_cc1 -fno-rtti -fms-extensions -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \ // RUN: | FileCheck %s -check-prefix CHECK-X64 extern "C" int printf(const char *fmt, ...); struct B0 { int a; B0() : a(0xf00000B0) {} virtual void f() { printf("B0"); } }; struct __declspec(align(16)) B1 { int a; B1() : a(0xf00000B1) {} virtual void f() { printf("B1"); } }; struct __declspec(align(16)) Align16 {}; struct __declspec(align(32)) Align32 {}; struct VAlign16 : virtual Align16 {}; struct VAlign32 : virtual Align32 {}; struct A : virtual B0, virtual B1 { int a; A() : a(0xf000000A) {} virtual void f() { printf("A"); } virtual void g() { printf("A"); } }; // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct A // CHECK-NEXT: 0 | (A vftable pointer) // CHECK-NEXT: 4 | (A vbtable pointer) // CHECK-NEXT: 8 | int a // CHECK-NEXT: 16 | (vtordisp for vbase B0) // CHECK-NEXT: 20 | struct B0 (virtual base) // CHECK-NEXT: 20 | (B0 vftable pointer) // CHECK-NEXT: 24 | int a // CHECK-NEXT: 44 | (vtordisp for vbase B1) // CHECK-NEXT: 48 | struct B1 (virtual base) // CHECK-NEXT: 48 | (B1 vftable pointer) // CHECK-NEXT: 52 | int a // CHECK-NEXT: | [sizeof=64, align=16 // CHECK-NEXT: | nvsize=12, nvalign=16] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64-NEXT: 0 | struct A // CHECK-X64-NEXT: 0 | (A vftable pointer) // CHECK-X64-NEXT: 8 | (A vbtable pointer) // CHECK-X64-NEXT: 16 | int a // CHECK-X64-NEXT: 36 | (vtordisp for vbase B0) // CHECK-X64-NEXT: 40 | struct B0 (virtual base) // CHECK-X64-NEXT: 40 | (B0 vftable pointer) // CHECK-X64-NEXT: 48 | int a // CHECK-X64-NEXT: 76 | (vtordisp for vbase B1) // CHECK-X64-NEXT: 80 | struct B1 (virtual base) // CHECK-X64-NEXT: 80 | (B1 vftable pointer) // CHECK-X64-NEXT: 88 | int a // CHECK-X64-NEXT: | [sizeof=96, align=16 // CHECK-X64-NEXT: | nvsize=24, nvalign=16] struct C : virtual B0, virtual B1, VAlign32 { int a; C() : a(0xf000000C) {} virtual void f() { printf("C"); } virtual void g() { printf("C"); } }; // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct C // CHECK-NEXT: 0 | (C vftable pointer) // CHECK-NEXT: 32 | struct VAlign32 (base) // CHECK-NEXT: 32 | (VAlign32 vbtable pointer) // CHECK-NEXT: 36 | int a // CHECK-NEXT: 64 | (vtordisp for vbase B0) // CHECK-NEXT: 68 | struct B0 (virtual base) // CHECK-NEXT: 68 | (B0 vftable pointer) // CHECK-NEXT: 72 | int a // CHECK-NEXT: 108 | (vtordisp for vbase B1) // CHECK-NEXT: 112 | struct B1 (virtual base) // CHECK-NEXT: 112 | (B1 vftable pointer) // CHECK-NEXT: 116 | int a // CHECK-NEXT: 128 | struct Align32 (virtual base) (empty) // CHECK-NEXT: | [sizeof=128, align=32 // CHECK-NEXT: | nvsize=64, nvalign=32] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64-NEXT: 0 | struct C // CHECK-X64-NEXT: 0 | (C vftable pointer) // CHECK-X64-NEXT: 32 | struct VAlign32 (base) // CHECK-X64-NEXT: 32 | (VAlign32 vbtable pointer) // CHECK-X64-NEXT: 40 | int a // CHECK-X64-NEXT: 68 | (vtordisp for vbase B0) // CHECK-X64-NEXT: 72 | struct B0 (virtual base) // CHECK-X64-NEXT: 72 | (B0 vftable pointer) // CHECK-X64-NEXT: 80 | int a // CHECK-X64-NEXT: 108 | (vtordisp for vbase B1) // CHECK-X64-NEXT: 112 | struct B1 (virtual base) // CHECK-X64-NEXT: 112 | (B1 vftable pointer) // CHECK-X64-NEXT: 120 | int a // CHECK-X64-NEXT: 128 | struct Align32 (virtual base) (empty) // CHECK-X64-NEXT: | [sizeof=128, align=32 // CHECK-X64-NEXT: | nvsize=64, nvalign=32] struct __declspec(align(32)) D : virtual B0, virtual B1 { int a; D() : a(0xf000000D) {} virtual void f() { printf("D"); } virtual void g() { printf("D"); } }; // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct D // CHECK-NEXT: 0 | (D vftable pointer) // CHECK-NEXT: 4 | (D vbtable pointer) // CHECK-NEXT: 8 | int a // CHECK-NEXT: 32 | (vtordisp for vbase B0) // CHECK-NEXT: 36 | struct B0 (virtual base) // CHECK-NEXT: 36 | (B0 vftable pointer) // CHECK-NEXT: 40 | int a // CHECK-NEXT: 76 | (vtordisp for vbase B1) // CHECK-NEXT: 80 | struct B1 (virtual base) // CHECK-NEXT: 80 | (B1 vftable pointer) // CHECK-NEXT: 84 | int a // CHECK-NEXT: | [sizeof=96, align=32 // CHECK-NEXT: | nvsize=12, nvalign=32] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64-NEXT: 0 | struct D // CHECK-X64-NEXT: 0 | (D vftable pointer) // CHECK-X64-NEXT: 8 | (D vbtable pointer) // CHECK-X64-NEXT: 16 | int a // CHECK-X64-NEXT: 36 | (vtordisp for vbase B0) // CHECK-X64-NEXT: 40 | struct B0 (virtual base) // CHECK-X64-NEXT: 40 | (B0 vftable pointer) // CHECK-X64-NEXT: 48 | int a // CHECK-X64-NEXT: 76 | (vtordisp for vbase B1) // CHECK-X64-NEXT: 80 | struct B1 (virtual base) // CHECK-X64-NEXT: 80 | (B1 vftable pointer) // CHECK-X64-NEXT: 88 | int a // CHECK-X64-NEXT: | [sizeof=96, align=32 // CHECK-X64-NEXT: | nvsize=24, nvalign=32] struct AT { virtual ~AT(){} }; struct CT : virtual AT { virtual ~CT(); }; CT::~CT(){} // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct CT // CHECK-NEXT: 0 | (CT vbtable pointer) // CHECK-NEXT: 4 | struct AT (virtual base) // CHECK-NEXT: 4 | (AT vftable pointer) // CHECK-NEXT: | [sizeof=8, align=4 // CHECK-NEXT: | nvsize=4, nvalign=4] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64-NEXT: 0 | struct CT // CHECK-X64-NEXT: 0 | (CT vbtable pointer) // CHECK-X64-NEXT: 8 | struct AT (virtual base) // CHECK-X64-NEXT: 8 | (AT vftable pointer) // CHECK-X64-NEXT: | [sizeof=16, align=8 // CHECK-X64-NEXT: | nvsize=8, nvalign=8] struct XA { XA() { printf("XA"); } long long ll; }; struct XB : XA { XB() { printf("XB"); } virtual void foo() {} int b; }; struct XC : virtual XB { XC() { printf("XC"); } virtual void foo() {} }; // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct XC // CHECK-NEXT: 0 | (XC vbtable pointer) // CHECK-NEXT: 4 | (vtordisp for vbase XB) // CHECK-NEXT: 8 | struct XB (virtual base) // CHECK-NEXT: 8 | (XB vftable pointer) // CHECK-NEXT: 16 | struct XA (base) // CHECK-NEXT: 16 | long long ll // CHECK-NEXT: 24 | int b // CHECK-NEXT: | [sizeof=32, align=8 // CHECK-NEXT: | nvsize=4, nvalign=8] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64-NEXT: 0 | struct XC // CHECK-X64-NEXT: 0 | (XC vbtable pointer) // CHECK-X64-NEXT: 12 | (vtordisp for vbase XB) // CHECK-X64-NEXT: 16 | struct XB (virtual base) // CHECK-X64-NEXT: 16 | (XB vftable pointer) // CHECK-X64-NEXT: 24 | struct XA (base) // CHECK-X64-NEXT: 24 | long long ll // CHECK-X64-NEXT: 32 | int b // CHECK-X64-NEXT: | [sizeof=40, align=8 // CHECK-X64-NEXT: | nvsize=8, nvalign=8] namespace pragma_test1 { // No overrides means no vtordisps by default. struct A { virtual ~A(); virtual void foo(); int a; }; struct B : virtual A { virtual ~B(); virtual void bar(); int b; }; struct C : virtual B { int c; }; // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct pragma_test1::C // CHECK-NEXT: 0 | (C vbtable pointer) // CHECK-NEXT: 4 | int c // CHECK-NEXT: 8 | struct pragma_test1::A (virtual base) // CHECK-NEXT: 8 | (A vftable pointer) // CHECK-NEXT: 12 | int a // CHECK-NEXT: 16 | struct pragma_test1::B (virtual base) // CHECK-NEXT: 16 | (B vftable pointer) // CHECK-NEXT: 20 | (B vbtable pointer) // CHECK-NEXT: 24 | int b // CHECK-NEXT: | [sizeof=28, align=4 // CHECK-NEXT: | nvsize=8, nvalign=4] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout } namespace pragma_test2 { struct A { virtual ~A(); virtual void foo(); int a; }; #pragma vtordisp(push,2) struct B : virtual A { virtual ~B(); virtual void bar(); int b; }; struct C : virtual B { int c; }; #pragma vtordisp(pop) // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct pragma_test2::C // CHECK-NEXT: 0 | (C vbtable pointer) // CHECK-NEXT: 4 | int c // CHECK-NEXT: 8 | (vtordisp for vbase A) // CHECK-NEXT: 12 | struct pragma_test2::A (virtual base) // CHECK-NEXT: 12 | (A vftable pointer) // CHECK-NEXT: 16 | int a // By adding a virtual method and vftable to B, now we need a vtordisp. // CHECK-NEXT: 20 | (vtordisp for vbase B) // CHECK-NEXT: 24 | struct pragma_test2::B (virtual base) // CHECK-NEXT: 24 | (B vftable pointer) // CHECK-NEXT: 28 | (B vbtable pointer) // CHECK-NEXT: 32 | int b // CHECK-NEXT: | [sizeof=36, align=4 // CHECK-NEXT: | nvsize=8, nvalign=4] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout } namespace pragma_test3 { struct A { virtual ~A(); virtual void foo(); int a; }; #pragma vtordisp(push,2) struct B : virtual A { virtual ~B(); virtual void foo(); int b; }; struct C : virtual B { int c; }; #pragma vtordisp(pop) // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct pragma_test3::C // CHECK-NEXT: 0 | (C vbtable pointer) // CHECK-NEXT: 4 | int c // CHECK-NEXT: 8 | (vtordisp for vbase A) // CHECK-NEXT: 12 | struct pragma_test3::A (virtual base) // CHECK-NEXT: 12 | (A vftable pointer) // CHECK-NEXT: 16 | int a // No vtordisp before B! It doesn't have its own vftable. // CHECK-NEXT: 20 | struct pragma_test3::B (virtual base) // CHECK-NEXT: 20 | (B vbtable pointer) // CHECK-NEXT: 24 | int b // CHECK-NEXT: | [sizeof=28, align=4 // CHECK-NEXT: | nvsize=8, nvalign=4] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout } namespace pragma_test4 { struct A { A(); virtual void foo(); int a; }; // Make sure the pragma applies to class template decls before they've been // instantiated. #pragma vtordisp(push,2) template struct B : virtual A { B(); virtual ~B(); virtual void bar(); T b; }; #pragma vtordisp(pop) struct C : virtual B { int c; }; // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct pragma_test4::C // CHECK-NEXT: 0 | (C vbtable pointer) // CHECK-NEXT: 4 | int c // Pragma applies to B, which has vbase A. // CHECK-NEXT: 8 | (vtordisp for vbase A) // CHECK-NEXT: 12 | struct pragma_test4::A (virtual base) // CHECK-NEXT: 12 | (A vftable pointer) // CHECK-NEXT: 16 | int a // Pragma does not apply to C, and B doesn't usually need a vtordisp in C. // CHECK-NEXT: 20 | struct pragma_test4::B (virtual base) // CHECK-NEXT: 20 | (B vftable pointer) // CHECK-NEXT: 24 | (B vbtable pointer) // CHECK-NEXT: 28 | int b // CHECK-NEXT: | [sizeof=32, align=4 // CHECK-NEXT: | nvsize=8, nvalign=4] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout } struct GA { virtual void fun() {} }; struct GB: public GA {}; struct GC: public virtual GA { virtual void fun() {} GC() {} }; struct GD: public virtual GC, public virtual GB {}; // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct GD // CHECK-NEXT: 0 | (GD vbtable pointer) // CHECK-NEXT: 4 | (vtordisp for vbase GA) // CHECK-NEXT: 8 | struct GA (virtual base) // CHECK-NEXT: 8 | (GA vftable pointer) // CHECK-NEXT: 12 | struct GC (virtual base) // CHECK-NEXT: 12 | (GC vbtable pointer) // CHECK-NEXT: 16 | struct GB (virtual base) // CHECK-NEXT: 16 | struct GA (primary base) // CHECK-NEXT: 16 | (GA vftable pointer) // CHECK-NEXT: | [sizeof=20, align=4 // CHECK-NEXT: | nvsize=4, nvalign=4] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64-NEXT: 0 | struct GD // CHECK-X64-NEXT: 0 | (GD vbtable pointer) // CHECK-X64-NEXT: 12 | (vtordisp for vbase GA) // CHECK-X64-NEXT: 16 | struct GA (virtual base) // CHECK-X64-NEXT: 16 | (GA vftable pointer) // CHECK-X64-NEXT: 24 | struct GC (virtual base) // CHECK-X64-NEXT: 24 | (GC vbtable pointer) // CHECK-X64-NEXT: 32 | struct GB (virtual base) // CHECK-X64-NEXT: 32 | struct GA (primary base) // CHECK-X64-NEXT: 32 | (GA vftable pointer) // CHECK-X64-NEXT: | [sizeof=40, align=8 // CHECK-X64-NEXT: | nvsize=8, nvalign=8] struct HA { virtual void fun() {} }; #pragma vtordisp(push, 2) struct HB : virtual HA {}; #pragma vtordisp(pop) #pragma vtordisp(push, 0) struct HC : virtual HB {}; #pragma vtordisp(pop) // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct HC // CHECK-NEXT: 0 | (HC vbtable pointer) // CHECK-NEXT: 4 | (vtordisp for vbase HA) // CHECK-NEXT: 8 | struct HA (virtual base) // CHECK-NEXT: 8 | (HA vftable pointer) // CHECK-NEXT: 12 | struct HB (virtual base) // CHECK-NEXT: 12 | (HB vbtable pointer) // CHECK-NEXT: | [sizeof=16, align=4 // CHECK-NEXT: | nvsize=4, nvalign=4] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64-NEXT: 0 | struct HC // CHECK-X64-NEXT: 0 | (HC vbtable pointer) // CHECK-X64-NEXT: 12 | (vtordisp for vbase HA) // CHECK-X64-NEXT: 16 | struct HA (virtual base) // CHECK-X64-NEXT: 16 | (HA vftable pointer) // CHECK-X64-NEXT: 24 | struct HB (virtual base) // CHECK-X64-NEXT: 24 | (HB vbtable pointer) // CHECK-X64-NEXT: | [sizeof=32, align=8 // CHECK-X64-NEXT: | nvsize=8, nvalign=8] struct IA { virtual void f(); }; struct __declspec(dllexport) IB : virtual IA { virtual void f() = 0; IB() {} }; // CHECK: *** Dumping AST Record Layout // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct IB // CHECK-NEXT: 0 | (IB vbtable pointer) // CHECK-NEXT: 4 | struct IA (virtual base) // CHECK-NEXT: 4 | (IA vftable pointer) // CHECK-NEXT: | [sizeof=8, align=4 // CHECK-NEXT: | nvsize=4, nvalign=4] // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64: *** Dumping AST Record Layout // CHECK-X64-NEXT: 0 | struct IB // CHECK-X64-NEXT: 0 | (IB vbtable pointer) // CHECK-X64-NEXT: 8 | struct IA (virtual base) // CHECK-X64-NEXT: 8 | (IA vftable pointer) // CHECK-X64-NEXT: | [sizeof=16, align=8 // CHECK-X64-NEXT: | nvsize=8, nvalign=8] int a[ sizeof(A)+ sizeof(C)+ sizeof(D)+ sizeof(CT)+ sizeof(XC)+ sizeof(pragma_test1::C)+ sizeof(pragma_test2::C)+ sizeof(pragma_test3::C)+ sizeof(pragma_test4::C)+ sizeof(GD)+ sizeof(HC)+ sizeof(IB)+ 0];