133 lines · cpp
1// RUN: %clang_cc1 -fno-rtti -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>&1 \2// RUN: | FileCheck %s --strict-whitespace3// RUN: %clang_cc1 -fno-rtti -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \4// RUN: | FileCheck %s -check-prefix CHECK-X64 --strict-whitespace5 6extern "C" int printf(const char *fmt, ...);7 8struct B0 { int a; B0() : a(0xf00000B0) { printf("B0 = %p\n", this); } };9struct B1 { int a; B1() : a(0xf00000B1) { printf("B1 = %p\n", this); } };10struct B2 { B2() { printf("B2 = %p\n", this); } virtual void g() { printf("B2"); } };11struct B3 : virtual B1 { B3() { printf("B3 = %p\n", this); } };12struct B4 : virtual B1 { B4() { printf("B4 = %p\n", this); } virtual void g() { printf("B4"); } };13 14struct A : B0, virtual B1 {15 __declspec(align(16)) int a;16 A() : a(0xf000000A) { printf(" A = %p\n\n", this); }17 virtual void f() { printf("A"); }18};19 20// CHECK-LABEL: 0 | struct A21// CHECK-NEXT: 0 | (A vftable pointer)22// CHECK-NEXT: 16 | struct B0 (base)23// CHECK-NEXT: 16 | int a24// CHECK-NEXT: 20 | (A vbtable pointer)25// CHECK-NEXT: 48 | int a26// CHECK-NEXT: 64 | struct B1 (virtual base)27// CHECK-NEXT: 64 | int a28// CHECK-NEXT: | [sizeof=80, align=1629// CHECK-NEXT: | nvsize=64, nvalign=16]30// CHECK-X64-LABEL: 0 | struct A31// CHECK-X64-NEXT: 0 | (A vftable pointer)32// CHECK-X64-NEXT: 16 | struct B0 (base)33// CHECK-X64-NEXT: 16 | int a34// CHECK-X64-NEXT: 24 | (A vbtable pointer)35// CHECK-X64-NEXT: 48 | int a36// CHECK-X64-NEXT: 64 | struct B1 (virtual base)37// CHECK-X64-NEXT: 64 | int a38// CHECK-X64-NEXT: | [sizeof=80, align=1639// CHECK-X64-NEXT: | nvsize=64, nvalign=16]40 41struct B : B2, B0, virtual B1 {42 __declspec(align(16)) int a;43 B() : a(0xf000000B) { printf(" B = %p\n\n", this); }44 virtual void f() { printf("B"); }45};46 47// CHECK-LABEL: 0 | struct B{{$}}48// CHECK-NEXT: 0 | struct B2 (primary base)49// CHECK-NEXT: 0 | (B2 vftable pointer)50// CHECK-NEXT: 4 | struct B0 (base)51// CHECK-NEXT: 4 | int a52// CHECK-NEXT: 8 | (B vbtable pointer)53// CHECK-NEXT: 32 | int a54// CHECK-NEXT: 48 | struct B1 (virtual base)55// CHECK-NEXT: 48 | int a56// CHECK-NEXT: | [sizeof=64, align=1657// CHECK-NEXT: | nvsize=48, nvalign=16]58// CHECK-X64-LABEL: 0 | struct B{{$}}59// CHECK-X64-NEXT: 0 | struct B2 (primary base)60// CHECK-X64-NEXT: 0 | (B2 vftable pointer)61// CHECK-X64-NEXT: 8 | struct B0 (base)62// CHECK-X64-NEXT: 8 | int a63// CHECK-X64-NEXT: 16 | (B vbtable pointer)64// CHECK-X64-NEXT: 32 | int a65// CHECK-X64-NEXT: 48 | struct B1 (virtual base)66// CHECK-X64-NEXT: 48 | int a67// CHECK-X64-NEXT: | [sizeof=64, align=1668// CHECK-X64-NEXT: | nvsize=48, nvalign=16]69 70struct C : B3, B0, virtual B1 {71 __declspec(align(16)) int a;72 C() : a(0xf000000C) { printf(" C = %p\n\n", this); }73 virtual void f() { printf("C"); }74};75 76// CHECK-LABEL: 0 | struct C77// CHECK-NEXT: 0 | (C vftable pointer)78// CHECK-NEXT: 16 | struct B3 (base)79// CHECK-NEXT: 16 | (B3 vbtable pointer)80// CHECK-NEXT: 20 | struct B0 (base)81// CHECK-NEXT: 20 | int a82// CHECK-NEXT: 32 | int a83// CHECK-NEXT: 48 | struct B1 (virtual base)84// CHECK-NEXT: 48 | int a85// CHECK-NEXT: | [sizeof=64, align=1686// CHECK-NEXT: | nvsize=48, nvalign=16]87// CHECK-X64-LABEL: 0 | struct C88// CHECK-X64-NEXT: 0 | (C vftable pointer)89// CHECK-X64-NEXT: 16 | struct B3 (base)90// CHECK-X64-NEXT: 16 | (B3 vbtable pointer)91// CHECK-X64-NEXT: 24 | struct B0 (base)92// CHECK-X64-NEXT: 24 | int a93// CHECK-X64-NEXT: 32 | int a94// CHECK-X64-NEXT: 48 | struct B1 (virtual base)95// CHECK-X64-NEXT: 48 | int a96// CHECK-X64-NEXT: | [sizeof=64, align=1697// CHECK-X64-NEXT: | nvsize=48, nvalign=16]98 99struct D : B4, B0, virtual B1 {100 __declspec(align(16)) int a;101 D() : a(0xf000000D) { printf(" D = %p\n\n", this); }102 virtual void f() { printf("D"); }103};104 105// CHECK-LABEL: 0 | struct D106// CHECK-NEXT: 0 | struct B4 (primary base)107// CHECK-NEXT: 0 | (B4 vftable pointer)108// CHECK-NEXT: 4 | (B4 vbtable pointer)109// CHECK-NEXT: 8 | struct B0 (base)110// CHECK-NEXT: 8 | int a111// CHECK-NEXT: 16 | int a112// CHECK-NEXT: 32 | struct B1 (virtual base)113// CHECK-NEXT: 32 | int a114// CHECK-NEXT: | [sizeof=48, align=16115// CHECK-NEXT: | nvsize=32, nvalign=16]116// CHECK-X64-LABEL: 0 | struct D117// CHECK-X64-NEXT: 0 | struct B4 (primary base)118// CHECK-X64-NEXT: 0 | (B4 vftable pointer)119// CHECK-X64-NEXT: 8 | (B4 vbtable pointer)120// CHECK-X64-NEXT: 16 | struct B0 (base)121// CHECK-X64-NEXT: 16 | int a122// CHECK-X64-NEXT: 32 | int a123// CHECK-X64-NEXT: 48 | struct B1 (virtual base)124// CHECK-X64-NEXT: 48 | int a125// CHECK-X64-NEXT: | [sizeof=64, align=16126// CHECK-X64-NEXT: | nvsize=48, nvalign=16]127 128int a[129sizeof(A)+130sizeof(B)+131sizeof(C)+132sizeof(D)];133