1; RUN: opt < %s -adce --preserve-ll-uselistorder -S | FileCheck %s
2
3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-apple-macosx10.10.0"
5
6; CHECK: uselistorder label %bb16, { 1, 0 }
7; Function Attrs: noinline nounwind ssp uwtable
8define void @ham() local_unnamed_addr #0 {
9bb:
10  br i1 false, label %bb1, label %bb22
11
12bb1:                                              ; preds = %bb
13  br i1 undef, label %bb2, label %bb20
14
15bb2:                                              ; preds = %bb1
16  br label %bb5
17
18bb5:                                              ; preds = %bb16, %bb2
19  br i1 undef, label %bb6, label %bb17
20
21bb6:                                              ; preds = %bb5
22  br i1 undef, label %bb7, label %bb16
23
24bb7:                                              ; preds = %bb6
25  br i1 undef, label %bb9, label %bb8
26
27bb8:                                              ; preds = %bb7
28  br i1 undef, label %bb9, label %bb10
29
30bb9:                                              ; preds = %bb8, %bb7
31  br label %bb13
32
33bb10:                                             ; preds = %bb8
34  br label %bb12
35
36bb12:                                             ; preds = %bb10
37  br label %bb13
38
39bb13:                                             ; preds = %bb12, %bb9
40  br label %bb14
41
42bb14:                                             ; preds = %bb13
43  br label %bb15
44
45bb15:                                             ; preds = %bb14
46  br label %bb16
47
48bb16:                                             ; preds = %bb15, %bb6
49  br label %bb5
50
51bb17:                                             ; preds = %bb5
52  br label %bb19
53
54bb19:                                             ; preds = %bb17
55  br label %bb21
56
57bb20:                                             ; preds = %bb1
58  br label %bb21
59
60bb21:                                             ; preds = %bb20, %bb19
61  br label %bb22
62
63bb22:                                             ; preds = %bb21, %bb
64  ret void
65}
66
67attributes #0 = { noinline nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="core2" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
68
69!llvm.module.flags = !{!0}
70
71!0 = !{i32 7, !"PIC Level", i32 2}
72