1; RUN: opt < %s -domfrontier -loop-simplify -domfrontier -verify-dom-info -analyze
2
3
4define void @a() nounwind {
5entry:
6  br i1 undef, label %bb37, label %bb1.i
7
8bb1.i:                                            ; preds = %bb1.i, %bb
9  %indvar = phi i64 [ %indvar.next, %bb1.i ], [ 0, %entry ] ; <i64> [#uses=1]
10  %indvar.next = add i64 %indvar, 1               ; <i64> [#uses=2]
11  %exitcond = icmp eq i64 %indvar.next, 576       ; <i1> [#uses=1]
12  br i1 %exitcond, label %bb37, label %bb1.i
13
14bb37:                                             ; preds = %bb1.i, %bb
15  br label %return
16
17
18return:                                           ; preds = %bb39
19  ret void
20}
21