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1; RUN: opt -jump-threading -S < %s
2
3define void @func(i8 zeroext %p_44) nounwind {
4entry:
5  br i1 false, label %for.cond2, label %if.end50
6
7for.cond2:                                        ; preds = %for.inc46, %lor.end, %entry
8  %p_44.addr.1 = phi i8 [ %p_44.addr.1, %lor.end ], [ %p_44, %entry ], [ %p_44.addr.1, %for.inc46 ]
9  br i1 undef, label %for.inc46, label %for.body5
10
11for.body5:                                        ; preds = %for.cond2
12  br i1 undef, label %lbl_465, label %if.then9
13
14if.then9:                                         ; preds = %for.body5
15  br label %return
16
17lbl_465:                                          ; preds = %lbl_465, %for.body5
18  %tobool19 = icmp eq i8 undef, 0
19  br i1 %tobool19, label %if.end21, label %lbl_465
20
21if.end21:                                         ; preds = %lbl_465
22  %conv23 = zext i8 %p_44.addr.1 to i64
23  %xor = xor i64 %conv23, 1
24  %tobool.i = icmp eq i64 %conv23, 0
25  br i1 %tobool.i, label %cond.false.i, label %safe_mod_func_uint64_t_u_u.exit
26
27cond.false.i:                                     ; preds = %if.end21
28  %div.i = udiv i64 %xor, %conv23
29  br label %safe_mod_func_uint64_t_u_u.exit
30
31safe_mod_func_uint64_t_u_u.exit:                  ; preds = %cond.false.i, %if.end21
32  %cond.i = phi i64 [ %div.i, %cond.false.i ], [ %conv23, %if.end21 ]
33  %tobool28 = icmp eq i64 %cond.i, 0
34  br i1 %tobool28, label %lor.rhs, label %lor.end
35
36lor.rhs:                                          ; preds = %safe_mod_func_uint64_t_u_u.exit
37  br label %lor.end
38
39lor.end:                                          ; preds = %lor.rhs, %safe_mod_func_uint64_t_u_u.exit
40  br label %for.cond2
41
42for.inc46:                                        ; preds = %for.cond2
43  br label %for.cond2
44
45if.end50:                                         ; preds = %entry
46  br label %return
47
48return:                                           ; preds = %if.end50, %if.then9
49  ret void
50}
51