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comparison clang/test/CodeGenObjC/interface-layout-64.m @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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147:c2174574ed3a 150:1d019706d866
1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
2
3 // CHECK: @"OBJC_IVAR_$_I3._iv2" = global i64 8, section "__DATA, __objc_ivar", align 8
4 // CHECK: @"OBJC_IVAR_$_I3._iv3" = global i64 12, section "__DATA, __objc_ivar", align 8
5 // CHECK: _OBJC_CLASS_RO_$_I3" = internal global {{.*}} { i32 0, i32 8, i32 13
6 // CHECK: @"OBJC_IVAR_$_I4._iv4" = global i64 13, section "__DATA, __objc_ivar", align 8
7 // CHECK: _OBJC_CLASS_RO_$_I4" = internal global {{.*}} { i32 0, i32 13, i32 14, {{.*}}
8 // CHECK: @"OBJC_IVAR_$_I5._iv6_synth" = hidden global i64 16, section "__DATA, __objc_ivar", align 8
9 // CHECK: @"OBJC_IVAR_$_I5._iv7_synth" = hidden global i64 20, section "__DATA, __objc_ivar", align 8
10 // CHECK: @"OBJC_IVAR_$_I5._iv5" = global i64 14, section "__DATA, __objc_ivar", align 8
11 // CHECK: _OBJC_CLASS_RO_$_I5" = internal global {{.*}} { i32 0, i32 14, i32 24, {{.*}}
12 // CHECK: @"OBJC_IVAR_$_I6.iv0" = global i64 0, section "__DATA, __objc_ivar", align 8
13 // CHECK: _OBJC_CLASS_RO_$_I6" = internal global {{.*}} { i32 2, i32 0, i32 1, {{.*}}
14 // CHECK: @"OBJC_IVAR_$_I8.b" = global i64 8, section "__DATA, __objc_ivar", align 8
15 // CHECK: _OBJC_CLASS_RO_$_I8" = internal global {{.*}} { i32 0, i32 8, i32 16, {{.*}}
16 // CHECK: @"OBJC_IVAR_$_I9.iv0" = global i64 0, section "__DATA, __objc_ivar", align 8
17 // CHECK: _OBJC_CLASS_RO_$_I9" = internal global {{.*}} { i32 2, i32 0, i32 4, {{.*}}
18 // CHECK: @"OBJC_IVAR_$_I10.iv1" = global i64 4, section "__DATA, __objc_ivar", align 8
19 // CHECK: _OBJC_CLASS_RO_$_I10" = internal global {{.*}} { i32 0, i32 4, i32 5, {{.*}}
20 // CHECK: _OBJC_CLASS_RO_$_I11" = internal global {{.*}} { i32 0, i32 5, i32 5, {{.*}}
21 // CHECK: @"OBJC_IVAR_$_I12.iv2" = global i64 8, section "__DATA, __objc_ivar", align 8
22 // CHECK: _OBJC_CLASS_RO_$_I12" = internal global {{.*}} { i32 0, i32 8, i32 12, {{.*}}
23
24 /*
25 Compare to:
26 gcc -m64 -S -o - interface-layout-64.m | grep '^_OBJC_IVAR_$_*{{.*}}' -A 1
27 and
28 gcc -m64 -S -o - interface-layout-64.m | grep '^l{{.*}}_CLASS_RO_$_I[0-9]*' -A 3
29 */
30
31 struct s0 {
32 double x;
33 };
34
35 @interface I2 {
36 struct s0 _iv1;
37 }
38 @end
39
40 @interface I3 : I2 {
41 unsigned int _iv2 :1;
42 unsigned : 0;
43 unsigned int _iv3 : 3;
44 }
45 @end
46
47 @interface I4 : I3 {
48 char _iv4;
49 }
50 @end
51
52 @interface I5 : I4 {
53 char _iv5;
54 }
55
56 @property int prop0;
57 @end
58
59 @implementation I3
60 @end
61
62 @implementation I4
63 @end
64
65 @interface I5 ()
66 @property int prop1;
67 @property char prop2;
68 @end
69
70 @implementation I5
71 @synthesize prop0 = _iv6_synth;
72 @synthesize prop1 = _iv7_synth;
73 @synthesize prop2 = _iv5;
74 @end
75
76 // The size rounds up to the next available byte.
77 @interface I6 {
78 unsigned iv0 : 2;
79 }
80 @end
81 @implementation I6
82 @end
83
84 // The start of the subclass includes padding for its own alignment.
85 @interface I7 {
86 char a;
87 }
88 @end
89 @interface I8 : I7 {
90 double b;
91 }
92 @end
93 @implementation I8
94 @end
95
96 // Padding bit-fields
97 @interface I9 {
98 unsigned iv0 : 2;
99 unsigned : 0;
100 }
101 @end
102 @implementation I9
103 @end
104 @interface I10 : I9 {
105 unsigned iv1 : 2;
106 }
107 @end
108 @implementation I10
109 @end
110
111 // Empty structures
112 @interface I11 : I10
113 @end
114 @implementation I11
115 @end
116 @interface I12 : I11 {
117 unsigned iv2;
118 }
119 @end
120 @implementation I12
121 @end