Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /external/bsd/llvm/dist/clang/test/Layout/ms-x86-bitfields-vbases.cpp 
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
// 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)];