1 // RUN: clang-cc -triple i386-pc-linux-gnu -verify -emit-llvm -o %t %s &&
2 
3 #include <stdint.h>
4 
5 // Brace-enclosed string array initializers
6 char a[] = { "asdf" };
7 
8 // Double-implicit-conversions of array/functions (not legal C, but
9 // clang accepts it for gcc compat).
10 intptr_t b = a; // expected-warning {{incompatible pointer to integer conversion}}
11 int c();
12 void *d = c;
13 intptr_t e = c; // expected-warning {{incompatible pointer to integer conversion}}
14 
15 int f, *g = __extension__ &f, *h = (1 != 1) ? &f : &f;
16 
17 union s2 {
18   struct {
19     struct { } *f0;
20   } f0;
21 };
22 
23 int g0 = (int)(&(((union s2 *) 0)->f0.f0) - 0);
24 
25 // RUN: grep '@g1x = global %. { double 1.000000e+00, double 0.000000e+00 }' %t &&
26 _Complex double g1x = 1.0f;
27 // RUN: grep '@g1y = global %. { double 0.000000e+00, double 1.000000e+00 }' %t &&
28 _Complex double g1y = 1.0fi;
29 // RUN: grep '@g1 = global %. { i8 1, i8 10 }' %t &&
30 _Complex char g1 = (char) 1 + (char) 10 * 1i;
31 // RUN: grep '@g2 = global %2 { i32 1, i32 10 }' %t &&
32 _Complex int g2 = 1 + 10i;
33 // RUN: grep '@g3 = global %. { float 1.000000e+00, float 1.000000e+01 }' %t &&
34 _Complex float g3 = 1.0 + 10.0i;
35 // RUN: grep '@g4 = global %. { double 1.000000e+00, double 1.000000e+01 }' %t &&
36 _Complex double g4 = 1.0 + 10.0i;
37 // RUN: grep '@g5 = global %2 zeroinitializer' %t &&
38 _Complex int g5 = (2 + 3i) == (5 + 7i);
39 // RUN: grep '@g6 = global %. { double -1.100000e+01, double 2.900000e+01 }' %t &&
40 _Complex double g6 = (2.0 + 3.0i) * (5.0 + 7.0i);
41 // RUN: grep '@g7 = global i32 1' %t &&
42 int g7 = (2 + 3i) * (5 + 7i) == (-11 + 29i);
43 // RUN: grep '@g8 = global i32 1' %t &&
44 int g8 = (2.0 + 3.0i) * (5.0 + 7.0i) == (-11.0 + 29.0i);
45 // RUN: grep '@g9 = global i32 0' %t &&
46 int g9 = (2 + 3i) * (5 + 7i) != (-11 + 29i);
47 // RUN: grep '@g10 = global i32 0' %t &&
48 int g10 = (2.0 + 3.0i) * (5.0 + 7.0i) != (-11.0 + 29.0i);
49 
50 
51 // Global references
52 // RUN: grep '@g11.l0 = internal global i32 ptrtoint (i32 ()\* @g11 to i32)' %t &&
53 long g11() {
54   static long l0 = (long) g11;
55   return l0;
56 }
57 
58 // RUN: grep '@g12 = global i32 ptrtoint (i8\* @g12_tmp to i32)' %t &&
59 static char g12_tmp;
60 long g12 = (long) &g12_tmp;
61 
62 // RUN: grep '@g13 = global \[1 x .struct.g13_s0\] \[.struct.g13_s0 <{ i32 ptrtoint (i8\* @g12_tmp to i32) }>\]' %t &&
63 struct g13_s0 {
64    long a;
65 };
66 struct g13_s0 g13[] = {
67    { (long) &g12_tmp }
68 };
69 
70 // RUN: grep '@g14 = global i8\* inttoptr (i64 100 to i8\*)' %t &&
71 void *g14 = (void*) 100;
72 
73 // RUN: grep '@g15 = global i32 -1' %t &&
74 int g15 = (int) (char) ((void*) 0 + 255);
75 
76 // RUN: grep '@g16 = global i64 4294967295' %t &&
77 long long g16 = (long long) ((void*) 0xFFFFFFFF);
78 
79 // RUN: grep '@g17 = global i32\* @g15' %t &&
80 int *g17 = (int *) ((long) &g15);
81 
82 // RUN: grep '@g18.p = internal global \[1 x i32\*\] \[i32\* @g19\]' %t &&
83 void g18(void) {
84   extern int g19;
85   static int *p[] = { &g19 };
86 }
87 
88 // RUN: grep '@g20.l0 = internal global .struct.g20_s1 <{ .struct.g20_s0\* null, .struct.g20_s0\*\* getelementptr (.struct.g20_s1\* @g20.l0, i32 0, i32 0) }>'  %t &&
89 
90 struct g20_s0;
91 struct g20_s1 {
92   struct g20_s0 *f0, **f1;
93 };
94 void *g20(void) {
95   static struct g20_s1 l0 = { ((void*) 0), &l0.f0 };
96   return l0.f1;
97 }
98 
99 // PR4108
100 struct g21 {int g21;};
101 const struct g21 g21 = (struct g21){1};
102 
103 // RUN: true
104 
105