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llvm-project/clang/test/Layout/ms-x86-vfvb-alignment.cpp

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// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>&1 \
// RUN: | FileCheck %s
// RUN: %clang_cc1 -fno-rtti -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) {} };
struct B1 { char a; B1() : a(0xB1) {} };
struct B2 : virtual B1 { int a; B2() : a(0xf00000B2) {} };
struct B3 { __declspec(align(16)) int a; B3() : a(0xf00000B3) {} };
struct B4 : virtual B3 { int a; B4() : a(0xf00000B4) {} };
struct B5 { __declspec(align(32)) int a; B5() : a(0xf00000B5) {} };
struct B6 { int a; B6() : a(0xf00000B6) {} virtual void f() { printf("B6"); } };
struct A : B0, virtual B1 { __declspec(align(16)) int a; A() : a(0xf000000A) {} 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 | char 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: 8 | struct B0 (base)
// CHECK-X64-NEXT: 8 | int a
// CHECK-X64-NEXT: 16 | (A vbtable pointer)
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: 48 | struct B1 (virtual base)
// CHECK-X64-NEXT: 48 | char a
// CHECK-X64-NEXT: | [sizeof=64, align=16
// CHECK-X64-NEXT: | nvsize=48, nvalign=16]
struct B : A, B2 { int a; B() : a(0xf000000B) {} virtual void f() { printf("B"); } };
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct B
// CHECK-NEXT: 0 | struct A (primary base)
// 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 B2 (base)
// CHECK-NEXT: 64 | (B2 vbtable pointer)
// CHECK-NEXT: 68 | int a
// CHECK-NEXT: 72 | int a
// CHECK-NEXT: 80 | struct B1 (virtual base)
// CHECK-NEXT: 80 | char a
// CHECK-NEXT: | [sizeof=96, align=16
// CHECK-NEXT: | nvsize=80, 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 A (primary base)
// CHECK-X64-NEXT: 0 | (A vftable pointer)
// CHECK-X64-NEXT: 8 | struct B0 (base)
// CHECK-X64-NEXT: 8 | int a
// CHECK-X64-NEXT: 16 | (A vbtable pointer)
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: 48 | struct B2 (base)
// CHECK-X64-NEXT: 48 | (B2 vbtable pointer)
// CHECK-X64-NEXT: 56 | int a
// CHECK-X64-NEXT: 64 | int a
// CHECK-X64-NEXT: 80 | struct B1 (virtual base)
// CHECK-X64-NEXT: 80 | char a
// CHECK-X64-NEXT: | [sizeof=96, align=16
// CHECK-X64-NEXT: | nvsize=80, nvalign=16]
struct C : B4 { int a; C() : a(0xf000000C) {} virtual void f() { 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: 16 | struct B4 (base)
// CHECK-NEXT: 16 | (B4 vbtable pointer)
// CHECK-NEXT: 20 | int a
// CHECK-NEXT: 24 | int a
// CHECK-NEXT: 32 | struct B3 (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: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct C
// CHECK-X64-NEXT: 0 | (C vftable pointer)
// CHECK-X64-NEXT: 16 | struct B4 (base)
// CHECK-X64-NEXT: 16 | (B4 vbtable pointer)
// CHECK-X64-NEXT: 24 | int a
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: 48 | struct B3 (virtual base)
// CHECK-X64-NEXT: 48 | int a
// CHECK-X64-NEXT: | [sizeof=64, align=16
// CHECK-X64-NEXT: | nvsize=48, nvalign=16]
struct D : C { int a; D() : a(0xf000000D) {} virtual void f() { printf("D"); } };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct D
// CHECK-NEXT: 0 | struct C (primary base)
// CHECK-NEXT: 0 | (C vftable pointer)
// CHECK-NEXT: 16 | struct B4 (base)
// CHECK-NEXT: 16 | (B4 vbtable pointer)
// CHECK-NEXT: 20 | int a
// CHECK-NEXT: 24 | int a
// CHECK-NEXT: 32 | int a
// CHECK-NEXT: 48 | struct B3 (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-NEXT: 0 | struct D
// CHECK-X64-NEXT: 0 | struct C (primary base)
// CHECK-X64-NEXT: 0 | (C vftable pointer)
// CHECK-X64-NEXT: 16 | struct B4 (base)
// CHECK-X64-NEXT: 16 | (B4 vbtable pointer)
// CHECK-X64-NEXT: 24 | int a
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: 48 | int a
// CHECK-X64-NEXT: 64 | struct B3 (virtual base)
// CHECK-X64-NEXT: 64 | int a
// CHECK-X64-NEXT: | [sizeof=80, align=16
// CHECK-X64-NEXT: | nvsize=64, nvalign=16]
struct E : virtual C { int a; E() : a(0xf000000E) {} virtual void f() { printf("E"); } };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct E
// CHECK-NEXT: 0 | (E vbtable pointer)
// CHECK-NEXT: 4 | int a
// CHECK-NEXT: 16 | struct B3 (virtual base)
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: 44 | (vtordisp for vbase C)
// CHECK-NEXT: 48 | struct C (virtual base)
// CHECK-NEXT: 48 | (C vftable pointer)
// CHECK-NEXT: 64 | struct B4 (base)
// CHECK-NEXT: 64 | (B4 vbtable pointer)
// CHECK-NEXT: 68 | int a
// CHECK-NEXT: 72 | int a
// CHECK-NEXT: | [sizeof=80, align=16
// CHECK-NEXT: | nvsize=8, nvalign=16]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct E
// CHECK-X64-NEXT: 0 | (E vbtable pointer)
// CHECK-X64-NEXT: 8 | int a
// CHECK-X64-NEXT: 16 | struct B3 (virtual base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: 44 | (vtordisp for vbase C)
// CHECK-X64-NEXT: 48 | struct C (virtual base)
// CHECK-X64-NEXT: 48 | (C vftable pointer)
// CHECK-X64-NEXT: 64 | struct B4 (base)
// CHECK-X64-NEXT: 64 | (B4 vbtable pointer)
// CHECK-X64-NEXT: 72 | int a
// CHECK-X64-NEXT: 80 | int a
// CHECK-X64-NEXT: | [sizeof=96, align=16
// CHECK-X64-NEXT: | nvsize=16, nvalign=16]
struct F : B3, virtual B0 { int a; F() : a(0xf000000F) {} virtual void f() { printf("F"); } };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct F
// CHECK-NEXT: 0 | (F vftable pointer)
// CHECK-NEXT: 16 | struct B3 (base)
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: 32 | (F vbtable pointer)
// CHECK-NEXT: 48 | int a
// CHECK-NEXT: 64 | struct B0 (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-NEXT: 0 | struct F
// CHECK-X64-NEXT: 0 | (F vftable pointer)
// CHECK-X64-NEXT: 16 | struct B3 (base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: 32 | (F vbtable pointer)
// CHECK-X64-NEXT: 40 | int a
// CHECK-X64-NEXT: 48 | struct B0 (virtual base)
// CHECK-X64-NEXT: 48 | int a
// CHECK-X64-NEXT: | [sizeof=64, align=16
// CHECK-X64-NEXT: | nvsize=48, nvalign=16]
struct G : B2, B6, virtual B1 { int a; G() : a(0xf0000010) {} };
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct G
// CHECK-NEXT: 8 | struct B2 (base)
// CHECK-NEXT: 8 | (B2 vbtable pointer)
// CHECK-NEXT: 12 | int a
// CHECK-NEXT: 0 | struct B6 (primary base)
// CHECK-NEXT: 0 | (B6 vftable pointer)
// CHECK-NEXT: 4 | int a
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: 20 | struct B1 (virtual base)
// CHECK-NEXT: 20 | char a
// CHECK-NEXT: | [sizeof=21, align=4
// CHECK-NEXT: | nvsize=20, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct G
// CHECK-X64-NEXT: 16 | struct B2 (base)
// CHECK-X64-NEXT: 16 | (B2 vbtable pointer)
// CHECK-X64-NEXT: 24 | int a
// CHECK-X64-NEXT: 0 | struct B6 (primary base)
// CHECK-X64-NEXT: 0 | (B6 vftable pointer)
// CHECK-X64-NEXT: 8 | int a
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: 40 | struct B1 (virtual base)
// CHECK-X64-NEXT: 40 | char a
// CHECK-X64-NEXT: | [sizeof=48, align=8
// CHECK-X64-NEXT: | nvsize=40, nvalign=8]
struct H : B6, B2, virtual B1 { int a; H() : a(0xf0000011) {} };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct H
// CHECK-NEXT: 0 | struct B6 (primary base)
// CHECK-NEXT: 0 | (B6 vftable pointer)
// CHECK-NEXT: 4 | int a
// CHECK-NEXT: 8 | struct B2 (base)
// CHECK-NEXT: 8 | (B2 vbtable pointer)
// CHECK-NEXT: 12 | int a
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: 20 | struct B1 (virtual base)
// CHECK-NEXT: 20 | char a
// CHECK-NEXT: | [sizeof=21, align=4
// CHECK-NEXT: | nvsize=20, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct H
// CHECK-X64-NEXT: 0 | struct B6 (primary base)
// CHECK-X64-NEXT: 0 | (B6 vftable pointer)
// CHECK-X64-NEXT: 8 | int a
// CHECK-X64-NEXT: 16 | struct B2 (base)
// CHECK-X64-NEXT: 16 | (B2 vbtable pointer)
// CHECK-X64-NEXT: 24 | int a
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: 40 | struct B1 (virtual base)
// CHECK-X64-NEXT: 40 | char a
// CHECK-X64-NEXT: | [sizeof=48, align=8
// CHECK-X64-NEXT: | nvsize=40, nvalign=8]
struct I : B0, virtual B1 { int a; int a1; __declspec(align(16)) int a2; I() : a(0xf0000011), a1(0xf0000011), a2(0xf0000011) {} };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct I
// CHECK-NEXT: 0 | struct B0 (base)
// CHECK-NEXT: 0 | int a
// CHECK-NEXT: 4 | (I vbtable pointer)
// CHECK-NEXT: 20 | int a
// CHECK-NEXT: 24 | int a1
// CHECK-NEXT: 32 | int a2
// CHECK-NEXT: 48 | struct B1 (virtual base)
// CHECK-NEXT: 48 | char a
// CHECK-NEXT: | [sizeof=64, align=16
// CHECK-NEXT: | nvsize=48, nvalign=16]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct I
// CHECK-X64-NEXT: 0 | struct B0 (base)
// CHECK-X64-NEXT: 0 | int a
// CHECK-X64-NEXT: 8 | (I vbtable pointer)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: 20 | int a1
// CHECK-X64-NEXT: 32 | int a2
// CHECK-X64-NEXT: 48 | struct B1 (virtual base)
// CHECK-X64-NEXT: 48 | char a
// CHECK-X64-NEXT: | [sizeof=64, align=16
// CHECK-X64-NEXT: | nvsize=48, nvalign=16]
struct J : B0, B3, virtual B1 { int a; int a1; J() : a(0xf0000012), a1(0xf0000012) {} };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct J
// CHECK-NEXT: 0 | struct B0 (base)
// CHECK-NEXT: 0 | int a
// CHECK-NEXT: 16 | struct B3 (base)
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: 32 | (J vbtable pointer)
// CHECK-NEXT: 48 | int a
// CHECK-NEXT: 52 | int a1
// CHECK-NEXT: 64 | struct B1 (virtual base)
// CHECK-NEXT: 64 | char a
// CHECK-NEXT: | [sizeof=80, align=16
// CHECK-NEXT: | nvsize=64, nvalign=16]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct J
// CHECK-X64-NEXT: 0 | struct B0 (base)
// CHECK-X64-NEXT: 0 | int a
// CHECK-X64-NEXT: 16 | struct B3 (base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: 32 | (J vbtable pointer)
// CHECK-X64-NEXT: 40 | int a
// CHECK-X64-NEXT: 44 | int a1
// CHECK-X64-NEXT: 48 | struct B1 (virtual base)
// CHECK-X64-NEXT: 48 | char a
// CHECK-X64-NEXT: | [sizeof=64, align=16
// CHECK-X64-NEXT: | nvsize=48, nvalign=16]
struct K { int a; K() : a(0xf0000013) {} virtual void f() { printf("K"); } };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct K
// CHECK-NEXT: 0 | (K vftable pointer)
// CHECK-NEXT: 4 | int a
// CHECK-NEXT: | [sizeof=8, align=4
// CHECK-NEXT: | nvsize=8, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct K
// CHECK-X64-NEXT: 0 | (K vftable pointer)
// CHECK-X64-NEXT: 8 | int a
// CHECK-X64-NEXT: | [sizeof=16, align=8
// CHECK-X64-NEXT: | nvsize=16, nvalign=8]
struct L : virtual K { int a; L() : a(0xf0000014) {} virtual void g() { printf("L"); } };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct L
// CHECK-NEXT: 0 | (L vftable pointer)
// CHECK-NEXT: 4 | (L vbtable pointer)
// CHECK-NEXT: 8 | int a
// CHECK-NEXT: 12 | struct K (virtual base)
// CHECK-NEXT: 12 | (K vftable pointer)
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: | [sizeof=20, align=4
// CHECK-NEXT: | nvsize=12, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct L
// CHECK-X64-NEXT: 0 | (L vftable pointer)
// CHECK-X64-NEXT: 8 | (L vbtable pointer)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: 24 | struct K (virtual base)
// CHECK-X64-NEXT: 24 | (K vftable pointer)
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: | [sizeof=40, align=8
// CHECK-X64-NEXT: | nvsize=24, nvalign=8]
struct M : virtual K { int a; M() : a(0xf0000015) {} virtual void f() { printf("M"); } };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct M
// CHECK-NEXT: 0 | (M vbtable pointer)
// CHECK-NEXT: 4 | int a
// CHECK-NEXT: 8 | (vtordisp for vbase K)
// CHECK-NEXT: 12 | struct K (virtual base)
// CHECK-NEXT: 12 | (K vftable pointer)
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: | [sizeof=20, align=4
// CHECK-NEXT: | nvsize=8, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct M
// CHECK-X64-NEXT: 0 | (M vbtable pointer)
// CHECK-X64-NEXT: 8 | int a
// CHECK-X64-NEXT: 20 | (vtordisp for vbase K)
// CHECK-X64-NEXT: 24 | struct K (virtual base)
// CHECK-X64-NEXT: 24 | (K vftable pointer)
// CHECK-X64-NEXT: 32 | int a
// CHECK-X64-NEXT: | [sizeof=40, align=8
// CHECK-X64-NEXT: | nvsize=16, nvalign=8]
int a[
sizeof(A)+
sizeof(B)+
sizeof(C)+
sizeof(D)+
sizeof(E)+
sizeof(F)+
sizeof(G)+
sizeof(H)+
sizeof(I)+
sizeof(J)+
sizeof(K)+
sizeof(L)+
sizeof(M)];
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