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
|
// RUN: %clang -DDYNAMIC_LIBRARY=1 %s -shared -o %t1.so
// RUN: %clang %s -emit-llvm %O0opt -g -c -o %t1.bc
// RUN: rm -rf %t.klee-out
// NOTE: Have to pass `--optimize=false` to avoid vector operations being
// constant folded away.
// RUN: export LD_PRELOAD=%t1.so
// RUN: export DYLD_INSERT_LIBRARIES=%t1.so
// RUN: %klee --output-dir=%t.klee-out --optimize=false --exit-on-error --external-calls=all %t1.bc
#include <stdint.h>
typedef uint32_t v4ui __attribute__((vector_size(16))); // 128-bit vector
typedef uint32_t v8ui __attribute__((vector_size(32))); // 256-bit vector
typedef uint32_t v16ui __attribute__((vector_size(64))); // 512-bit vector
v4ui call4(v4ui v);
v8ui call8(v8ui v);
v16ui call16(v16ui v);
int call_mixed(v16ui v16, v8ui v8, v4ui v4);
#ifdef DYNAMIC_LIBRARY
v4ui call4(v4ui v) {
return v;
}
v8ui call8(v8ui v) {
return v;
}
v16ui call16(v16ui v) {
return v;
}
int call_mixed(v16ui v16, v8ui v8, v4ui v4) {
return v16[15] + v8[7] + v4[3];
}
#else
#include "assert.h"
#include "klee/klee.h"
int main() {
v4ui v4 = {1, 2, 3, 4};
{
v4ui r = call4(v4);
for (int i = 0; i < 4; ++i) {
klee_assert(r[i] == v4[i]);
}
}
v8ui v8 = {1, 2, 3, 4, 5, 6, 7, 8};
{
v8ui r = call8(v8);
for (int i = 0; i < 8; ++i) {
klee_assert(r[i] == v8[i]);
}
}
v16ui v16 = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
{
v16ui r = call16(v16);
for (int i = 0; i < 16; ++i) {
klee_assert(r[i] == v16[i]);
}
}
{
int r = call_mixed(v16, v8, v4);
klee_assert(r == 28);
}
return 0;
}
#endif
|