blob: 1097a189bc33fb4c8494f6746caa1a0aa384f017 (
plain) (
blame)
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
|
// RUN: %clang -emit-llvm -g -c %s -o %t.bc
// RUN: rm -rf %t.klee-out
// RUN: %klee --output-dir=%t.klee-out %t.bc > %t.log 2> %t.stderr.log
// RUN: FileCheck %s -check-prefix=CHECK-MSG --input-file=%t.log
// RUN: FileCheck %s -check-prefix=CHECK-ERR --input-file=%t.stderr.log
#include "klee/klee.h"
#include <stdio.h>
int main(void) {
void * lptr = &&one;
lptr = &&two;
lptr = &&three;
klee_make_symbolic(&lptr, sizeof(lptr), "lptr");
// CHECK-ERR: KLEE: ERROR: {{.*}} indirectbr: illegal label address
goto *lptr;
one:
puts("Label one");
// CHECK-MSG-DAG: Label one
return 0;
two:
puts("Label two");
// CHECK-MSG-DAG: Label two
return 0;
three:
puts("Label three");
// CHECK-MSG-DAG: Label three
return 0;
// LLVM should infer only {one, two, three} as valid targets
four:
puts("Label four");
// CHECK-MSG-NOT: Label four
return 0;
}
|
