ms-x86-bitfields-vbases.cpp
4.38 KB
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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
struct B0 { int a; };
struct B1 { int a; };
struct A : virtual B0 { char a : 1; };
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct A
// CHECK-NEXT: 0 | (A vbtable pointer)
// CHECK-NEXT: 4:0-0 | char a
// CHECK-NEXT: 8 | struct B0 (virtual base)
// CHECK-NEXT: 8 | int a
// CHECK-NEXT: | [sizeof=12, align=4
// CHECK-NEXT: | nvsize=8, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct A
// CHECK-X64-NEXT: 0 | (A vbtable pointer)
// CHECK-X64-NEXT: 8:0-0 | char a
// CHECK-X64-NEXT: 16 | struct B0 (virtual base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=16, nvalign=8]
struct B : virtual B0 { short a : 1; };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct B
// CHECK-NEXT: 0 | (B vbtable pointer)
// CHECK-NEXT: 4:0-0 | short a
// CHECK-NEXT: 8 | struct B0 (virtual base)
// CHECK-NEXT: 8 | int a
// CHECK-NEXT: | [sizeof=12, align=4
// CHECK-NEXT: | nvsize=8, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct B
// CHECK-X64-NEXT: 0 | (B vbtable pointer)
// CHECK-X64-NEXT: 8:0-0 | short a
// CHECK-X64-NEXT: 16 | struct B0 (virtual base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=16, nvalign=8]
struct C : virtual B0 { char a : 1; char : 0; };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct C
// CHECK-NEXT: 0 | (C vbtable pointer)
// CHECK-NEXT: 4:0-0 | char a
// CHECK-NEXT: 5:- | char
// CHECK-NEXT: 8 | struct B0 (virtual base)
// CHECK-NEXT: 8 | int a
// CHECK-NEXT: | [sizeof=12, align=4
// CHECK-NEXT: | nvsize=8, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct C
// CHECK-X64-NEXT: 0 | (C vbtable pointer)
// CHECK-X64-NEXT: 8:0-0 | char a
// CHECK-X64-NEXT: 9:- | char
// CHECK-X64-NEXT: 16 | struct B0 (virtual base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=16, nvalign=8]
struct D : virtual B0 { char a : 1; char b; };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct D
// CHECK-NEXT: 0 | (D vbtable pointer)
// CHECK-NEXT: 4:0-0 | char a
// CHECK-NEXT: 5 | char b
// CHECK-NEXT: 8 | struct B0 (virtual base)
// CHECK-NEXT: 8 | int a
// CHECK-NEXT: | [sizeof=12, align=4
// CHECK-NEXT: | nvsize=8, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct D
// CHECK-X64-NEXT: 0 | (D vbtable pointer)
// CHECK-X64-NEXT: 8:0-0 | char a
// CHECK-X64-NEXT: 9 | char b
// CHECK-X64-NEXT: 16 | struct B0 (virtual base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=16, nvalign=8]
struct E : virtual B0, virtual B1 { long long : 1; };
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct E
// CHECK-NEXT: 0 | (E vbtable pointer)
// CHECK-NEXT: 8:0-0 | long long
// CHECK-NEXT: 16 | struct B0 (virtual base)
// CHECK-NEXT: 16 | int a
// CHECK-NEXT: 20 | struct B1 (virtual base)
// CHECK-NEXT: 20 | int a
// CHECK-NEXT: | [sizeof=24, align=8
// CHECK-NEXT: | nvsize=16, nvalign=8]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct E
// CHECK-X64-NEXT: 0 | (E vbtable pointer)
// CHECK-X64-NEXT: 8:0-0 | long long
// CHECK-X64-NEXT: 16 | struct B0 (virtual base)
// CHECK-X64-NEXT: 16 | int a
// CHECK-X64-NEXT: 20 | struct B1 (virtual base)
// CHECK-X64-NEXT: 20 | int a
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=16, nvalign=8]
int a[
sizeof(A)+
sizeof(B)+
sizeof(C)+
sizeof(D)+
sizeof(E)];