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
|
; LLVM 3.7 requires a type as the first argument to 'getelementptr'
; REQUIRES: geq-llvm-3.7
; RUN: llvm-as %s -f -o %t1.bc
; RUN: rm -rf %t.klee-out
; RUN: %klee --output-dir=%t.klee-out -disable-opt %t1.bc > %t2
; RUN: grep PASS %t2
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
declare {i8, i1} @llvm.umul.with.overflow.i8(i8 %a, i8 %b)
declare i32 @puts(i8*)
@.passstr = private constant [5 x i8] c"PASS\00", align 1
@.failstr = private constant [5 x i8] c"FAIL\00", align 1
define i32 @main() {
bb0:
%s0 = call {i8, i1} @llvm.umul.with.overflow.i8(i8 1, i8 128)
%v0 = extractvalue {i8, i1} %s0, 0
%c0 = icmp eq i8 %v0, 128
br i1 %c0, label %bb0_1, label %bbfalse
bb0_1:
%o0 = extractvalue {i8, i1} %s0, 1
br i1 %o0, label %bbfalse, label %bb1
bb1:
%s1 = call {i8, i1} @llvm.umul.with.overflow.i8(i8 2, i8 128)
%v1 = extractvalue {i8, i1} %s1, 0
%c1 = icmp eq i8 %v1, 0
br i1 %c1, label %bb1_1, label %bbfalse
bb1_1:
%o1 = extractvalue {i8, i1} %s1, 1
br i1 %o1, label %bbtrue, label %bbfalse
bbtrue:
%0 = call i32 @puts(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.passstr, i64 0, i64 0)) nounwind
ret i32 0
bbfalse:
%1 = call i32 @puts(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.failstr, i64 0, i64 0)) nounwind
ret i32 0
}
|
