ms_struct-pack.c source code [clang_source_code/test/CodeGen/ms

1	// RUN: %clang_cc1 -emit-llvm-only -triple i386-apple-darwin9 -fdump-record-layouts %s \| FileCheck %s
2	// rdar://8823265
3
4	#pragma pack(1)
5	struct _one_ms {
6	short m:9; // size is 2
7	int q:27; // size is 6
8	short w:13; // size is 8
9	short e:3; // size is 8
10	char r:4; // size is 9
11	char t:7; // size is 10
12	short y:16; // size is 12
13	short u:1; // size is 14
14	char i:2; // size is 15
15	int a; // size is 19
16	char o:6; // size is 20
17	char s:2; // size is 20
18	short d:10; // size is 22
19	short f:4; // size is 22
20	char b; // size is 23
21	char g:1; // size is 24
22	short h:13; // size is 26
23	char j:8; // size is 27
24	char k:5; // size is 28
25	char c; // size is 29
26	int l:28; // size is 33
27	char z:7; // size is 34
28	int x:20; // size is 38
29	} __attribute__((__ms_struct__));
30	typedef struct _one_ms one_ms;
31
32	static int a1[(sizeof(one_ms) == 38) - 1];
33
34	#pragma pack(2)
35	struct _two_ms {
36	short m:9;
37	int q:27;
38	short w:13;
39	short e:3;
40	char r:4;
41	char t:7;
42	short y:16;
43	short u:1;
44	char i:2;
45	int a;
46	char o:6;
47	char s:2;
48	short d:10;
49	short f:4;
50	char b;
51	char g:1;
52	short h:13;
53	char j:8;
54	char k:5;
55	char c;
56	int l:28;
57	char z:7;
58	int x:20;
59	} __attribute__((__ms_struct__));
60
61	typedef struct _two_ms two_ms;
62
63	static int a2[(sizeof(two_ms) == 42) - 1];
64
65	#pragma pack(4)
66	struct _four_ms {
67	short m:9;
68	int q:27;
69	short w:13;
70	short e:3;
71	char r:4;
72	char t:7;
73	short y:16;
74	short u:1;
75	char i:2;
76	int a;
77	char o:6;
78	char s:2;
79	short d:10;
80	short f:4;
81	char b;
82	char g:1;
83	short h:13;
84	char j:8;
85	char k:5;
86	char c;
87	int l:28;
88	char z:7;
89	int x:20;
90	} __attribute__((__ms_struct__));
91	typedef struct _four_ms four_ms;
92
93	static int a4[(sizeof(four_ms) == 48) - 1];
94
95	#pragma pack(8)
96	struct _eight_ms {
97	short m:9;
98	int q:27;
99	short w:13;
100	short e:3;
101	char r:4;
102	char t:7;
103	short y:16;
104	short u:1;
105	char i:2;
106	int a;
107	char o:6;
108	char s:2;
109	short d:10;
110	short f:4;
111	char b;
112	char g:1;
113	short h:13;
114	char j:8;
115	char k:5;
116	char c;
117	int l:28;
118	char z:7;
119	int x:20;
120	} __attribute__((__ms_struct__));
121
122	typedef struct _eight_ms eight_ms;
123
124	static int a8[(sizeof(eight_ms) == 48) - 1];
125
126	// rdar://15926990
127	#pragma pack(2)
128	struct test0 {
129	unsigned long a : 8;
130	unsigned long b : 8;
131	unsigned long c : 8;
132	unsigned long d : 10;
133	unsigned long e : 1;
134	} __attribute__((__ms_struct__));
135
136	// CHECK: 0 \| struct test0
137	// CHECK-NEXT: 0:0-7 \| unsigned long a
138	// CHECK-NEXT: 1:0-7 \| unsigned long b
139	// CHECK-NEXT: 2:0-7 \| unsigned long c
140	// CHECK-NEXT: 4:0-9 \| unsigned long d
141	// CHECK-NEXT: 5:2-2 \| unsigned long e
142	// CHECK-NEXT: \| [sizeof=8, align=2]
143
144	static int test0[(sizeof(struct test0) == 8) ? 1 : -1];
145

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