1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
| // RUN: %clang_cc1 -triple i386-pc-linux-gnu -ffreestanding -verify -emit-llvm -o - %s | FileCheck %s
#include <stdint.h>
// Brace-enclosed string array initializers
char a[] = { "asdf" };
// CHECK: @a = global [5 x i8] c"asdf\00"
char a2[2][5] = { "asdf" };
// CHECK: @a2 = global [2 x [5 x i8]] {{\[}}[5 x i8] c"asdf\00", [5 x i8] zeroinitializer]
// Double-implicit-conversions of array/functions (not legal C, but
// clang accepts it for gcc compat).
intptr_t b = a; // expected-warning {{incompatible pointer to integer conversion}}
int c();
void *d = c;
intptr_t e = c; // expected-warning {{incompatible pointer to integer conversion}}
int f, *g = __extension__ &f, *h = (1 != 1) ? &f : &f;
union s2 {
struct {
struct { } *f0;
} f0;
};
int g0 = (int)(&(((union s2 *) 0)->f0.f0) - 0);
// CHECK: @g1x = global { double, double } { double 1.000000e+00{{[0]*}}, double 0.000000e+00{{[0]*}} }
_Complex double g1x = 1.0f;
// CHECK: @g1y = global { double, double } { double 0.000000e+00{{[0]*}}, double 1.000000e+00{{[0]*}} }
_Complex double g1y = 1.0fi;
// CHECK: @g1 = global { i8, i8 } { i8 1, i8 10 }
_Complex char g1 = (char) 1 + (char) 10 * 1i;
// CHECK: @g2 = global { i32, i32 } { i32 1, i32 10 }
_Complex int g2 = 1 + 10i;
// CHECK: @g3 = global { float, float } { float 1.000000e+00{{[0]*}}, float 1.000000e+0{{[0]*}}1 }
_Complex float g3 = 1.0 + 10.0i;
// CHECK: @g4 = global { double, double } { double 1.000000e+00{{[0]*}}, double 1.000000e+0{{[0]*}}1 }
_Complex double g4 = 1.0 + 10.0i;
// CHECK: @g5 = global { i32, i32 } zeroinitializer
_Complex int g5 = (2 + 3i) == (5 + 7i);
// CHECK: @g6 = global { double, double } { double -1.100000e+0{{[0]*}}1, double 2.900000e+0{{[0]*}}1 }
_Complex double g6 = (2.0 + 3.0i) * (5.0 + 7.0i);
// CHECK: @g7 = global i32 1
int g7 = (2 + 3i) * (5 + 7i) == (-11 + 29i);
// CHECK: @g8 = global i32 1
int g8 = (2.0 + 3.0i) * (5.0 + 7.0i) == (-11.0 + 29.0i);
// CHECK: @g9 = global i32 0
int g9 = (2 + 3i) * (5 + 7i) != (-11 + 29i);
// CHECK: @g10 = global i32 0
int g10 = (2.0 + 3.0i) * (5.0 + 7.0i) != (-11.0 + 29.0i);
// PR5108
// CHECK: @gv1 = global %struct.anon <{ i32 0, i8 7 }>, align 1
struct {
unsigned long a;
unsigned long b:3;
} __attribute__((__packed__)) gv1 = { .a = 0x0, .b = 7, };
// PR5118
// CHECK: @gv2 = global %struct.anon.0 <{ i8 1, i8* null }>, align 1
struct {
unsigned char a;
char *b;
} __attribute__((__packed__)) gv2 = { 1, (void*)0 };
// Global references
// CHECK: @g11.l0 = internal global i32 ptrtoint (i32 ()* @g11 to i32)
long g11() {
static long l0 = (long) g11;
return l0;
}
// CHECK: @g12 = global i32 ptrtoint (i8* @g12_tmp to i32)
static char g12_tmp;
long g12 = (long) &g12_tmp;
// CHECK: @g13 = global [1 x %struct.g13_s0] [%struct.g13_s0 { i32 ptrtoint (i8* @g12_tmp to i32) }]
struct g13_s0 {
long a;
};
struct g13_s0 g13[] = {
{ (long) &g12_tmp }
};
// CHECK: @g14 = global i8* inttoptr (i32 100 to i8*)
void *g14 = (void*) 100;
// CHECK: @g15 = global i32 -1
int g15 = (int) (char) ((void*) 0 + 255);
// CHECK: @g16 = global i64 4294967295
long long g16 = (long long) ((void*) 0xFFFFFFFF);
// CHECK: @g17 = global i32* @g15
int *g17 = (int *) ((long) &g15);
// CHECK: @g18.p = internal global [1 x i32*] [i32* @g19]
void g18(void) {
extern int g19;
static int *p[] = { &g19 };
}
// CHECK: @g20.l0 = internal global %struct.g20_s1 { %struct.g20_s0* null, %struct.g20_s0** getelementptr inbounds (%struct.g20_s1, %struct.g20_s1* @g20.l0, i32 0, i32 0) }
struct g20_s0;
struct g20_s1 {
struct g20_s0 *f0, **f1;
};
void *g20(void) {
static struct g20_s1 l0 = { ((void*) 0), &l0.f0 };
return l0.f1;
}
// PR4108
struct g21 {int g21;};
const struct g21 g21 = (struct g21){1};
// PR5474
struct g22 {int x;} __attribute((packed));
struct g23 {char a; short b; char c; struct g22 d;};
struct g23 g24 = {1,2,3,4};
// CHECK: @g25.g26 = internal global i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[FUNC:.*]], i32 0, i32 0)
// CHECK: @[[FUNC]] = private unnamed_addr constant [4 x i8] c"g25\00"
int g25() {
static const char *g26 = __func__;
return *g26;
}
// CHECK: @g27.x = internal global i8* bitcast (i8** @g27.x to i8*), align 4
void g27() { // PR8073
static void *x = &x;
}
void g28() {
typedef long long v1i64 __attribute((vector_size(8)));
typedef short v12i16 __attribute((vector_size(24)));
typedef long double v2f80 __attribute((vector_size(24)));
// CHECK: @g28.a = internal global <1 x i64> <i64 10>
// CHECK: @g28.b = internal global <12 x i16> <i16 0, i16 0, i16 0, i16 -32768, i16 16383, i16 0, i16 0, i16 0, i16 0, i16 -32768, i16 16384, i16 0>
// CHECK: @g28.c = internal global <2 x x86_fp80> <x86_fp80 0xK3FFF8000000000000000, x86_fp80 0xK40008000000000000000>, align 32
static v1i64 a = (v1i64)10LL;
static v12i16 b = (v12i16)(v2f80){1,2};
static v2f80 c = (v2f80)(v12i16){0,0,0,-32768,16383,0,0,0,0,-32768,16384,0};
}
// PR13643
void g29() {
typedef char DCC_PASSWD[2];
typedef struct
{
DCC_PASSWD passwd;
} DCC_SRVR_NM;
// CHECK: @g29.a = internal global %struct.DCC_SRVR_NM { [2 x i8] c"@\00" }, align 1
// CHECK: @g29.b = internal global [1 x i32] [i32 ptrtoint ([5 x i8]* @.str.1 to i32)], align 4
// CHECK: @g29.c = internal global [1 x i32] [i32 97], align 4
static DCC_SRVR_NM a = { {"@"} };
static int b[1] = { "asdf" }; // expected-warning {{incompatible pointer to integer conversion initializing 'int' with an expression of type 'char [5]'}}
static int c[1] = { L"a" };
}
// PR21300
void g30() {
#pragma pack(1)
static struct {
int : 1;
int x;
} a = {};
// CHECK: @g30.a = internal global %struct.anon.1 <{ i8 undef, i32 0 }>, align 1
#pragma pack()
}
void g31() {
#pragma pack(4)
static struct {
short a;
long x;
short z;
} a = {23122, -12312731, -312};
#pragma pack()
// CHECK: @g31.a = internal global %struct.anon.2 { i16 23122, i32 -12312731, i16 -312 }, align 4
}
|