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1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o %t %s
2// RUNX: llvm-gcc -m64 -emit-llvm -S -o %t %s &&
3
4// RUN: grep '@"OBJC_IVAR_$_I3._iv2" = global i64 8, section "__DATA, __objc_ivar", align 8' %t
5// RUN: grep '@"OBJC_IVAR_$_I3._iv3" = global i64 12, section "__DATA, __objc_ivar", align 8' %t
6// RUN: grep '@"OBJC_IVAR_$_I4._iv4" = global i64 13, section "__DATA, __objc_ivar", align 8' %t
7// RUN: grep '@"OBJC_IVAR_$_I5._iv5" = global i64 14, section "__DATA, __objc_ivar", align 8' %t
8// RUN: grep '@"OBJC_IVAR_$_I5._iv6_synth" = hidden global i64 16, section "__DATA, __objc_ivar", align 8' %t
9// RUN: grep '@"OBJC_IVAR_$_I5._iv7_synth" = hidden global i64 20, section "__DATA, __objc_ivar", align 8' %t
10// RUN: grep '@"OBJC_IVAR_$_I6.iv0" = global i64 0, section "__DATA, __objc_ivar", align 8' %t
11// RUN: grep '@"OBJC_IVAR_$_I8.b" = global i64 8, section "__DATA, __objc_ivar", align 8' %t
12// RUN: grep '@"OBJC_IVAR_$_I9.iv0" = global i64 0, section "__DATA, __objc_ivar", align 8' %t
13// RUN: grep '@"OBJC_IVAR_$_I10.iv1" = global i64 4, section "__DATA, __objc_ivar", align 8' %t
14// RUN: grep '@"OBJC_IVAR_$_I12.iv2" = global i64 8, section "__DATA, __objc_ivar", align 8' %t
15// RUN: grep '_OBJC_CLASS_RO_$_I3" = internal global .* { i32 0, i32 8, i32 13, .*' %t
16// RUN: grep '_OBJC_CLASS_RO_$_I4" = internal global .* { i32 0, i32 13, i32 14, .*' %t
17// RUN: grep '_OBJC_CLASS_RO_$_I5" = internal global .* { i32 0, i32 14, i32 24, .*' %t
18// RUN: grep '_OBJC_CLASS_RO_$_I6" = internal global .* { i32 2, i32 0, i32 1, .*' %t
19// RUN: grep '_OBJC_CLASS_RO_$_I8" = internal global .* { i32 0, i32 8, i32 16, .*' %t
20// RUN: grep '_OBJC_CLASS_RO_$_I9" = internal global .* { i32 2, i32 0, i32 4, .*' %t
21// RUN: grep '_OBJC_CLASS_RO_$_I10" = internal global .* { i32 0, i32 4, i32 5, .*' %t
22// RUN: grep '_OBJC_CLASS_RO_$_I11" = internal global .* { i32 0, i32 5, i32 5, .*' %t
23// RUN: grep '_OBJC_CLASS_RO_$_I12" = internal global .* { i32 0, i32 8, i32 12, .*' %t
24
25
26/*
27  Compare to:
28    gcc -m64 -S -o - interface-layout-64.m | grep '^_OBJC_IVAR_$_*.*' -A 1
29  and
30    gcc -m64 -S -o - interface-layout-64.m | grep '^l.*_CLASS_RO_$_I[0-9]*' -A 3
31 */
32
33struct s0 {
34  double x;
35};
36
37@interface I2 {
38  struct s0 _iv1;
39}
40@end
41
42@interface I3 : I2 {
43  unsigned int _iv2 :1;
44  unsigned : 0;
45  unsigned int _iv3 : 3;
46}
47@end
48
49@interface I4 : I3 {
50 char _iv4;
51}
52@end
53
54@interface I5 : I4 {
55 char _iv5;
56}
57
58@property int prop0;
59@end
60
61@implementation I3
62@end
63
64@implementation I4
65@end
66
67@interface I5 ()
68@property int prop1;
69@property char prop2;
70@end
71
72@implementation I5
73@synthesize prop0 = _iv6_synth;
74@synthesize prop1 = _iv7_synth;
75@synthesize prop2 = _iv5;
76@end
77
78// The size rounds up to the next available byte.
79@interface I6 {
80  unsigned iv0 : 2;
81}
82@end
83@implementation I6
84@end
85
86// The start of the subclass includes padding for its own alignment.
87@interface I7 {
88  char a;
89}
90@end
91@interface I8 : I7 {
92  double b;
93}
94@end
95@implementation I8
96@end
97
98// Padding bit-fields
99@interface I9 {
100  unsigned iv0 : 2;
101  unsigned : 0;
102}
103@end
104@implementation I9
105@end
106@interface I10 : I9 {
107  unsigned iv1 : 2;
108}
109@end
110@implementation I10
111@end
112
113// Empty structures
114@interface I11 : I10
115@end
116@implementation I11
117@end
118@interface I12 : I11 {
119  unsigned iv2;
120}
121@end
122@implementation I12
123@end
124