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
|
; RUN: %llvmas %s -o=%t.bc
; RUN: rm -rf %t.klee-out
; RUN: %klee -exit-on-error-type=Abort -output-source -output-dir=%t.klee-out %t.bc
@x = global i32 0, align 4
define i32 @__foo() {
entry:
%0 = load i32, i32* @x, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, i32* @x, align 4
ret i32 1
}
@foo = alias i32 (...), bitcast (i32 ()* @__foo to i32 (...)*)
@foo2 = alias i32 (...), i32 (...)* @foo
@foo3 = alias i16 (...), bitcast (i32 (...)* @foo2 to i16 (...)*)
define i32 @main() {
entry:
%call1 = call i32 (...) @foo()
%call2 = call i32 (...) @foo2()
%call3 = call i16 (...) @foo3()
%load = load i32, i32* @x, align 4
%inc1 = add nsw i32 %load, %call1
%inc2 = add nsw i32 %inc1, %call2
%zext = zext i16 %call3 to i32
%inc3 = add nsw i32 %inc2, %zext
%cmp = icmp ne i32 %inc3, 6
br i1 %cmp, label %if.then, label %if.end
if.then:
call void @klee_abort()
unreachable
if.end:
ret i32 0
}
declare void @klee_abort() #1
attributes #1 = { noreturn }
|