xref: /llvm-project/clang/test/Sema/pragma-ms_struct.c (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97)
1 // RUN: %clang_cc1 -fsyntax-only -fms-extensions -verify -triple x86_64-apple-darwin9 %s
2 
3 #pragma ms_struct on
4 
5 #pragma ms_struct off
6 
7 #pragma ms_struct reset
8 
9 #pragma ms_struct // expected-warning {{incorrect use of '#pragma ms_struct on|off' - ignored}}
10 
11 #pragma ms_struct on top of spaghetti  // expected-warning {{extra tokens at end of '#pragma ms_struct' - ignored}}
12 
13 struct foo
14 {
15   int a;
16   int b;
17   char c;
18 };
19 
20 
21 struct {
22                    unsigned long bf_1 : 12;
23                    unsigned long : 0;
24                    unsigned long bf_2 : 12;
25 } __attribute__((__ms_struct__)) t1;
26 
27 struct S {
28 		   double __attribute__((ms_struct)) d;	// expected-warning {{'ms_struct' attribute only applies to structs, unions, and classes}}
29                    unsigned long bf_1 : 12;
30                    unsigned long : 0;
31                    unsigned long bf_2 : 12;
32 } __attribute__((ms_struct)) t2;
33 
34 enum
35 {
36   A = 0,
37   B,
38   C
39 } __attribute__((ms_struct)) e1; // expected-warning {{'ms_struct' attribute only applies to}}
40 
41 #pragma ms_struct on
42 
43 typedef struct
44 {
45 void *pv;
46 int l;
47 } Foo;
48 
49 typedef struct
50 {
51 void *pv1;
52 Foo foo;
53 unsigned short fInited : 1;
54 void *pv2;
55 } PackOddity;
56 
57 #pragma ms_struct off
58 
59 static int arr[sizeof(PackOddity) == 40 ? 1 : -1];
60 
61 struct __declspec(ms_struct) bad { // expected-warning {{__declspec attribute 'ms_struct' is not supported}}
62 };
63