1 // RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o -
2
3 struct {
4 int x;
5 int y;
6 } point;
7
fn1()8 void fn1() {
9 point.x = 42;
10 }
11
12 /* Nested member */
13 struct {
14 struct {
15 int a;
16 int b;
17 } p1;
18 } point2;
19
fn2()20 void fn2() {
21 point2.p1.a = 42;
22 }
23
24 /* Indirect reference */
25 typedef struct __sf {
26 unsigned char *c;
27 short flags;
28 } F;
29
30 typedef struct __sf2 {
31 F *ff;
32 } F2;
33
fn3(F2 * c)34 int fn3(F2 *c) {
35 if (c->ff->c >= 0)
36 return 1;
37 else
38 return 0;
39 }
40
41 /* Nested structs */
42 typedef struct NA {
43 int data;
44 struct NA *next;
45 } NA;
f1()46 void f1() { NA a; }
47
48 typedef struct NB {
49 int d1;
50 struct _B2 {
51 int d2;
52 struct NB *n2;
53 } B2;
54 } NB;
55
f2()56 void f2() { NB b; }
57
58 extern NB *f3();
f4()59 void f4() {
60 f3()->d1 = 42;
61 }
62
f5()63 void f5() {
64 (f3())->d1 = 42;
65 }
66
67 /* Function calls */
68 typedef struct {
69 int location;
70 int length;
71 } range;
72 extern range f6();
f7()73 void f7() {
74 range r = f6();
75 }
76
77 /* Member expressions */
78 typedef struct {
79 range range1;
80 range range2;
81 } rangepair;
82
f8()83 void f8() {
84 rangepair p;
85
86 range r = p.range1;
87 }
88
f9(range * p)89 void f9(range *p) {
90 range r = *p;
91 }
92
f10(range * p)93 void f10(range *p) {
94 range r = p[0];
95 }
96
97 /* _Bool types */
98
99 struct _w {
100 short a,b;
101 short c,d;
102 short e,f;
103 short g;
104
105 unsigned int h,i;
106
107 _Bool j,k;
108 } ws;
109
110 /* Implicit casts (due to typedefs) */
111 typedef struct _a {
112 int a;
113 } a;
114
f11()115 void f11() {
116 struct _a a1;
117 a a2;
118
119 a1 = a2;
120 a2 = a1;
121 }
122
123 /* Implicit casts (due to const) */
f12()124 void f12() {
125 struct _a a1;
126 const struct _a a2;
127
128 a1 = a2;
129 }
130
131 /* struct initialization */
132 struct a13 {int b; int c;};
133 struct a13 c13 = {5};
134 typedef struct a13 a13;
135 struct a14 { short a; int b; } x = {1, 1};
136
137 /* flexible array members */
138 struct a15 {char a; int b[];} c15;
a16(void)139 int a16(void) {c15.a = 1;}
140
141 /* compound literals */
f13()142 void f13() {
143 a13 x; x = (a13){1,2};
144 }
145
146 /* va_arg */
f14(int i,...)147 int f14(int i, ...) {
148 __builtin_va_list l;
149 __builtin_va_start(l,i);
150 a13 b = __builtin_va_arg(l, a13);
151 int c = __builtin_va_arg(l, a13).c;
152 return b.b;
153 }
154
155 /* Attribute packed */
156 struct __attribute__((packed)) S2839 { double a[19]; signed char b; } s2839[5];
157
158 struct __attribute__((packed)) SS { long double a; char b; } SS;
159
160
161 /* As lvalue */
162
f15()163 int f15() {
164 extern range f15_ext();
165 return f15_ext().location;
166 }
167
f16()168 range f16() {
169 extern rangepair f16_ext();
170 return f16_ext().range1;
171 }
172
f17()173 int f17() {
174 extern range f17_ext();
175 range r;
176 return (r = f17_ext()).location;
177 }
178
f18()179 range f18() {
180 extern rangepair f18_ext();
181 rangepair rp;
182 return (rp = f18_ext()).range1;
183 }
184
185
186
187 // Complex forward reference of struct.
188 struct f19S;
189 extern struct f19T {
190 struct f19S (*p)(void);
191 } t;
192 struct f19S { int i; };
f19(void)193 void f19(void) {
194 t.p();
195 }
196
197