1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s |
2 | // RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s |
3 | |
4 | /* |
5 | |
6 | Here is a handy command for looking at llvm-gcc's output: |
7 | llvm-gcc -m64 -fobjc-gc -emit-llvm -S -o - ivar-layout-64.m | \ |
8 | grep 'OBJC_CLASS_NAME.* =.*global' | \ |
9 | sed -e 's#, section.*# ...#' | \ |
10 | sed -e 's#_[0-9]*"#_NNN#' | \ |
11 | sort |
12 | |
13 | */ |
14 | |
15 | @interface B @end |
16 | |
17 | @interface A { |
18 | struct s0 { |
19 | int f0; |
20 | int f1; |
21 | } f0; |
22 | id f1; |
23 | __weak B *f2; |
24 | int f3 : 5; |
25 | struct s1 { |
26 | int *f0; |
27 | int *f1; |
28 | } f4[2][1]; |
29 | } |
30 | @end |
31 | |
32 | @interface C : A |
33 | @property int p3; |
34 | @end |
35 | |
36 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"C\00" |
37 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\11p\00" |
38 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"!`\00" |
39 | |
40 | |
41 | @implementation C |
42 | @synthesize p3 = _p3; |
43 | @end |
44 | |
45 | @interface A() |
46 | @property int p0; |
47 | @property (assign) __strong id p1; |
48 | @property (assign) __weak id p2; |
49 | @end |
50 | |
51 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"A\00" |
52 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\11q\10\00" |
53 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"!q\00" |
54 | |
55 | @implementation A |
56 | @synthesize p0 = _p0; |
57 | @synthesize p1 = _p1; |
58 | @synthesize p2 = _p2; |
59 | @end |
60 | |
61 | @interface D : A |
62 | @property int p3; |
63 | @end |
64 | |
65 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"D\00" |
66 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\11p\00" |
67 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"!`\00" |
68 | |
69 | @implementation D |
70 | @synthesize p3 = _p3; |
71 | @end |
72 | |
73 | typedef unsigned short UInt16; |
74 | |
75 | |
76 | typedef signed char BOOL; |
77 | typedef unsigned int FSCatalogInfoBitmap; |
78 | |
79 | @interface NSFileLocationComponent { |
80 | @private |
81 | |
82 | id _specifierOrStandardizedPath; |
83 | BOOL _carbonCatalogInfoAndNameAreValid; |
84 | FSCatalogInfoBitmap _carbonCatalogInfoMask; |
85 | id _name; |
86 | id _containerComponent; |
87 | id _presentableName; |
88 | id _iconAsAttributedString; |
89 | } |
90 | @end |
91 | |
92 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"NSFileLocationComponent\00" |
93 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\01\14\00" |
94 | |
95 | @implementation NSFileLocationComponent @end |
96 | |
97 | @interface NSObject { |
98 | id isa; |
99 | } |
100 | @end |
101 | |
102 | @interface Foo : NSObject { |
103 | id ivar; |
104 | |
105 | unsigned long bitfield :31; |
106 | unsigned long bitfield2 :1; |
107 | unsigned long bitfield3 :32; |
108 | } |
109 | @end |
110 | |
111 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"Foo\00" |
112 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\02\10\00" |
113 | |
114 | @implementation Foo @end |
115 | |
116 | // GC layout strings aren't capable of expressing __strong ivars at |
117 | // non-word alignments. |
118 | struct __attribute__((packed)) PackedStruct { |
119 | char c; |
120 | __strong id x; |
121 | }; |
122 | @interface Packed : NSObject { |
123 | struct PackedStruct _packed; |
124 | } |
125 | @end |
126 | @implementation Packed @end |
127 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"Packed\00" |
128 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\01 \00" |
129 | // ' ' == 0x20 |
130 | |
131 | // Ensure that layout descends into anonymous unions and structs. |
132 | // Hilariously, anonymous unions and structs that appear directly as ivars |
133 | // are completely ignored by layout. |
134 | |
135 | @interface AnonymousUnion : NSObject { |
136 | struct { |
137 | union { |
138 | id _object; |
139 | void *_ptr; |
140 | }; |
141 | } a; |
142 | } |
143 | @end |
144 | @implementation AnonymousUnion @end |
145 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"AnonymousUnion\00" |
146 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\02\00" |
147 | |
148 | @interface AnonymousStruct : NSObject { |
149 | struct { |
150 | struct { |
151 | id _object; |
152 | __weak id _weakref; |
153 | }; |
154 | } a; |
155 | } |
156 | @end |
157 | @implementation AnonymousStruct @end |
158 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"AnonymousStruct\00" |
159 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\02\10\00" |
160 | // CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"!\00" |
161 | // '!' == 0x21 |
162 | |