xref: /aosp_15_r20/external/clang/test/CodeGen/ms_struct-bitfield-1.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -emit-llvm-only  -triple x86_64-apple-darwin9 %s
2*67e74705SXin Li // rdar://8823265
3*67e74705SXin Li 
4*67e74705SXin Li #define ATTR __attribute__((__ms_struct__))
5*67e74705SXin Li 
6*67e74705SXin Li struct {
7*67e74705SXin Li   unsigned int bf_1 : 12;
8*67e74705SXin Li   unsigned int : 0;
9*67e74705SXin Li   unsigned int bf_2 : 12;
10*67e74705SXin Li } ATTR t1;
11*67e74705SXin Li static int a1[(sizeof(t1) == 8) -1];
12*67e74705SXin Li 
13*67e74705SXin Li struct
14*67e74705SXin Li {
15*67e74705SXin Li   char foo : 4;
16*67e74705SXin Li   short : 0;
17*67e74705SXin Li   char bar;
18*67e74705SXin Li } ATTR t2;
19*67e74705SXin Li static int a2[(sizeof(t2) == 4) -1];
20*67e74705SXin Li 
21*67e74705SXin Li #pragma ms_struct on
22*67e74705SXin Li struct
23*67e74705SXin Li {
24*67e74705SXin Li   char foo : 4;
25*67e74705SXin Li   short : 0;
26*67e74705SXin Li   char bar;
27*67e74705SXin Li } t3;
28*67e74705SXin Li #pragma ms_struct off
29*67e74705SXin Li static int a3[(sizeof(t3) == 4) -1];
30*67e74705SXin Li 
31*67e74705SXin Li struct
32*67e74705SXin Li {
33*67e74705SXin Li   char foo : 6;
34*67e74705SXin Li   long : 0;
35*67e74705SXin Li } ATTR t4;
36*67e74705SXin Li static int a4[(sizeof(t4) == 8) -1];
37*67e74705SXin Li 
38*67e74705SXin Li struct
39*67e74705SXin Li {
40*67e74705SXin Li   char foo : 4;
41*67e74705SXin Li   short : 0;
42*67e74705SXin Li   char bar : 8;
43*67e74705SXin Li } ATTR t5;
44*67e74705SXin Li static int a5[(sizeof(t5) == 4) -1];
45*67e74705SXin Li 
46*67e74705SXin Li struct
47*67e74705SXin Li {
48*67e74705SXin Li   char foo : 4;
49*67e74705SXin Li   short : 0;
50*67e74705SXin Li   long  : 0;
51*67e74705SXin Li   char bar;
52*67e74705SXin Li } ATTR t6;
53*67e74705SXin Li static int a6[(sizeof(t6) == 4) -1];
54*67e74705SXin Li 
55*67e74705SXin Li struct
56*67e74705SXin Li {
57*67e74705SXin Li   char foo : 4;
58*67e74705SXin Li   long  : 0;
59*67e74705SXin Li   short : 0;
60*67e74705SXin Li   char bar;
61*67e74705SXin Li } ATTR t7;
62*67e74705SXin Li static int a7[(sizeof(t7) == 16) -1];
63*67e74705SXin Li 
64*67e74705SXin Li struct
65*67e74705SXin Li {
66*67e74705SXin Li   char foo : 4;
67*67e74705SXin Li   short : 0;
68*67e74705SXin Li   long  : 0;
69*67e74705SXin Li   char bar:7;
70*67e74705SXin Li } ATTR t8;
71*67e74705SXin Li static int a8[(sizeof(t8) == 4) -1];
72*67e74705SXin Li 
73*67e74705SXin Li struct
74*67e74705SXin Li {
75*67e74705SXin Li   char foo : 4;
76*67e74705SXin Li   long  : 0;
77*67e74705SXin Li   short : 0;
78*67e74705SXin Li   char bar: 8;
79*67e74705SXin Li } ATTR t9;
80*67e74705SXin Li static int a9[(sizeof(t9) == 16) -1];
81*67e74705SXin Li 
82*67e74705SXin Li struct
83*67e74705SXin Li {
84*67e74705SXin Li   char foo : 4;
85*67e74705SXin Li   char : 0;
86*67e74705SXin Li   short : 0;
87*67e74705SXin Li   int : 0;
88*67e74705SXin Li   long  :0;
89*67e74705SXin Li   char bar;
90*67e74705SXin Li } ATTR t10;
91*67e74705SXin Li static int a10[(sizeof(t10) == 2) -1];
92