1// RUN: %clang_cc1 -triple i686-apple-darwin9 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -o %t %s
2// RUN: FileCheck < %t %s
3//
4// CHECK: @OBJC_METH_VAR_TYPE_{{.*}} = private unnamed_addr constant [16 x i8] c"v12@0:4[3[4@]]8\00"
5
6@class Int1;
7
8struct Innermost {
9  unsigned char a, b;
10};
11
12@interface Int1 {
13  signed char a, b;
14  struct Innermost *innermost;
15}
16@end
17
18@implementation Int1
19@end
20
21@interface Base
22{
23    struct objc_class *isa;
24    int full;
25    int full2: 32;
26    int _refs: 8;
27    int field2: 3;
28    unsigned f3: 8;
29    short cc;
30    unsigned g: 16;
31    int r2: 8;
32    int r3: 8;
33    int r4: 2;
34    int r5: 8;
35    char c;
36}
37@end
38
39@interface Derived: Base
40{
41    char d;
42    int _field3: 6;
43}
44@end
45
46@implementation Base
47@end
48
49@implementation Derived
50@end
51
52@interface B1
53{
54    struct objc_class *isa;
55    Int1 *sBase;
56    char c;
57}
58@end
59
60@implementation B1
61@end
62
63@interface Test
64{
65	int ivar;
66         __attribute__((objc_gc(weak))) SEL selector;
67}
68-(void) test3: (Test*  [3] [4])b ;
69- (SEL**) meth : (SEL) arg : (SEL*****) arg1 : (SEL*)arg2 : (SEL**) arg3;
70@end
71
72@implementation Test
73-(void) test3: (Test* [3] [4])b {}
74- (SEL**) meth : (SEL) arg : (SEL*****) arg1 : (SEL*)arg2 : (SEL**) arg3 {}
75@end
76
77struct S { int iS; };
78
79@interface Object
80{
81 Class isa;
82}
83@end
84typedef Object MyObj;
85
86int main()
87{
88	const char *en = @encode(Derived);
89	const char *eb = @encode(B1);
90        const char *es = @encode(const struct S *);
91        const char *ec = @encode(const struct S);
92        const char *ee = @encode(MyObj *const);
93}
94
95// CHECK: @g0 = constant [15 x i8] c"{Innermost=CC}\00"
96const char g0[] = @encode(struct Innermost);
97
98// CHECK: @g1 = constant [38 x i8] c"{Derived=#ib32b8b3b8sb16b8b8b2b8ccb6}\00"
99const char g1[] = @encode(Derived);
100
101// CHECK: @g2 = constant [9 x i8] c"{B1=#@c}\00"
102const char g2[] = @encode(B1);
103
104// CHECK: @g3 = constant [8 x i8] c"r^{S=i}\00"
105const char g3[] = @encode(const struct S *);
106
107// CHECK: @g4 = constant [6 x i8] c"{S=i}\00"
108const char g4[] = @encode(const struct S);
109
110// CHECK: @g5 = constant [2 x i8] c"@\00"
111const char g5[] = @encode(MyObj * const);
112
113////
114
115enum Enum1X { one, two, three, four };
116
117@interface Base1X {
118  unsigned a: 2;
119  int b: 3;
120  enum Enum1X c: 4;
121  unsigned d: 5;
122}
123@end
124
125@interface Derived1X: Base1X {
126  signed e: 5;
127  int f: 4;
128  enum Enum1X g: 3;
129}
130@end
131
132@implementation Base1X @end
133
134@implementation Derived1X @end
135
136// CHECK: @g6 = constant [18 x i8] c"{Base1X=b2b3b4b5}\00"
137const char g6[] = @encode(Base1X);
138
139// CHECK: @g7 = constant [27 x i8] c"{Derived1X=b2b3b4b5b5b4b3}\00"
140const char g7[] = @encode(Derived1X);
141
142// CHECK: @g8 = constant [7 x i8] c"{s8=D}\00"
143struct s8 {
144  long double x;
145};
146const char g8[] = @encode(struct s8);
147
148// CHECK: @g9 = constant [11 x i8] c"{S9=i[0i]}\00"
149struct S9 {
150  int x;
151  int flex[];
152};
153const char g9[] = @encode(struct S9);
154
155struct f
156{
157  int i;
158  struct{} g[4];
159  int tt;
160};
161
162// CHECK: @g10 = constant [14 x i8] c"{f=i[4{?=}]i}\00"
163const char g10[] = @encode(struct f);
164
165// rdar://9622422
166// CHECK: @g11 = constant [2 x i8] c"v\00"
167const char g11[] = @encode(void);
168
169// PR14628
170// CHECK: @g12 = constant [3 x i8] c"Ai\00"
171const char g12[] = @encode(_Atomic(int));
172
173// rdar://15824769
174id test_id = 0;
175Class test_class = 0;
176const char g13[] = @encode(__typeof__(*test_class));
177const char g14[] = @encode(__typeof__(*test_id));
178// CHECK: constant [14 x i8] c"{objc_class=}\00"
179// CHECK: constant [15 x i8] c"{objc_object=}\00"
180
181// CHECK: @g15 = constant [2 x i8] c":\00"
182const char g15[] = @encode(SEL);
183
184typedef typeof(sizeof(int)) size_t;
185size_t strlen(const char *s);
186
187// CHECK-LABEL: @test_strlen(
188// CHECK: %[[i:.*]] = alloca i32
189// CHECK: %[[call:.*]] = call i32 @strlen
190// CHECK: store i32 %[[call]], i32* %[[i]]
191void test_strlen() {
192  const char array[] = @encode(int);
193  int i = strlen(array);
194}
195