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ms-x86-vfvb-sharing.cpp
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// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>&1 \
// RUN: | FileCheck %s
// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -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) { printf("B0 = %p\n", this); } };
struct B1 { int a; B1() : a(0xf00000B1) { printf("B1 = %p\n", this); } };
struct B2 { B2() { printf("B2 = %p\n", this); } virtual void g() { printf("B2"); } };
struct B3 : virtual B1 { B3() { printf("B3 = %p\n", this); } };
struct B4 : virtual B1 { B4() { printf("B4 = %p\n", this); } virtual void g() { printf("B4"); } };
struct A : B0, virtual B1 {
__declspec(align(16)) int a;
A() : a(0xf000000A) { printf(" A = %p\n\n", this); }
virtual void f() { 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: 16 | struct B0 (base)
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: 20 | (A vbtable pointer)
// CHECK-NEXT: 48 | int a
// CHECK-NEXT: 64 | struct B1 (virtual base)
// CHECK-NEXT: 64 | int a
// CHECK-NEXT: | [sizeof=80, align=16
// CHECK-NEXT: | nvsize=64, 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: 16 | struct B0 (base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: 24 | (A vbtable pointer)
// CHECK-X64-NEXT: 48 | int a
// CHECK-X64-NEXT: 64 | struct B1 (virtual base)
// CHECK-X64-NEXT: 64 | int a
// CHECK-X64-NEXT: | [sizeof=80, align=16
// CHECK-X64-NEXT: | nvsize=64, nvalign=16]
struct B : B2, B0, virtual B1 {
__declspec(align(16)) int a;
B() : a(0xf000000B) { printf(" B = %p\n\n", this); }
virtual void f() { printf("B"); }
};
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct B
// CHECK-NEXT: 0 | struct B2 (primary base)
// CHECK-NEXT: 0 | (B2 vftable pointer)
// CHECK-NEXT: 4 | struct B0 (base)
// CHECK-NEXT: 4 | int a
// CHECK-NEXT: 8 | (B vbtable pointer)
// CHECK-NEXT: 32 | int a
// CHECK-NEXT: 48 | struct B1 (virtual base)
// CHECK-NEXT: 48 | int a
// CHECK-NEXT: | [sizeof=64, align=16
// CHECK-NEXT: | nvsize=48, nvalign=16]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct B
// CHECK-X64-NEXT: 0 | struct B2 (primary base)
// CHECK-X64-NEXT: 0 | (B2 vftable pointer)
// CHECK-X64-NEXT: 8 | struct B0 (base)
// CHECK-X64-NEXT: 8 | int a
// CHECK-X64-NEXT: 16 | (B vbtable pointer)
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: 48 | struct B1 (virtual base)
// CHECK-X64-NEXT: 48 | int a
// CHECK-X64-NEXT: | [sizeof=64, align=16
// CHECK-X64-NEXT: | nvsize=48, nvalign=16]
struct C : B3, B0, virtual B1 {
__declspec(align(16)) int a;
C() : a(0xf000000C) { printf(" C = %p\n\n", this); }
virtual void f() { printf("C"); }
};
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct C
// CHECK-NEXT: 0 | (C vftable pointer)
// CHECK-NEXT: 16 | struct B3 (base)
// CHECK-NEXT: 16 | (B3 vbtable pointer)
// CHECK-NEXT: 20 | struct B0 (base)
// CHECK-NEXT: 20 | int a
// CHECK-NEXT: 32 | int a
// CHECK-NEXT: 48 | struct B1 (virtual base)
// CHECK-NEXT: 48 | int a
// CHECK-NEXT: | [sizeof=64, align=16
// CHECK-NEXT: | nvsize=48, nvalign=16]
// 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: 16 | struct B3 (base)
// CHECK-X64-NEXT: 16 | (B3 vbtable pointer)
// CHECK-X64-NEXT: 24 | struct B0 (base)
// CHECK-X64-NEXT: 24 | int a
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: 48 | struct B1 (virtual base)
// CHECK-X64-NEXT: 48 | int a
// CHECK-X64-NEXT: | [sizeof=64, align=16
// CHECK-X64-NEXT: | nvsize=48, nvalign=16]
struct D : B4, B0, virtual B1 {
__declspec(align(16)) int a;
D() : a(0xf000000D) { printf(" D = %p\n\n", this); }
virtual void f() { printf("D"); }
};
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct D
// CHECK-NEXT: 0 | struct B4 (primary base)
// CHECK-NEXT: 0 | (B4 vftable pointer)
// CHECK-NEXT: 4 | (B4 vbtable pointer)
// CHECK-NEXT: 8 | struct B0 (base)
// CHECK-NEXT: 8 | int a
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: 32 | struct B1 (virtual base)
// CHECK-NEXT: 32 | int a
// CHECK-NEXT: | [sizeof=48, align=16
// CHECK-NEXT: | nvsize=32, nvalign=16]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct D
// CHECK-X64-NEXT: 0 | struct B4 (primary base)
// CHECK-X64-NEXT: 0 | (B4 vftable pointer)
// CHECK-X64-NEXT: 8 | (B4 vbtable pointer)
// CHECK-X64-NEXT: 16 | struct B0 (base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: 48 | struct B1 (virtual base)
// CHECK-X64-NEXT: 48 | int a
// CHECK-X64-NEXT: | [sizeof=64, align=16
// CHECK-X64-NEXT: | nvsize=48, nvalign=16]
int a[
sizeof(A)+
sizeof(B)+
sizeof(C)+
sizeof(D)];