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; RUN: opt < %s -domfrontier -loop-simplify -domfrontier -verify-dom-info -analyze
define void @a() nounwind {
entry:
br i1 undef, label %bb37, label %bb1.i
bb1.i: ; preds = %bb1.i, %bb
%indvar = phi i64 [ %indvar.next, %bb1.i ], [ 0, %entry ] ; <i64> [#uses=1]
%indvar.next = add i64 %indvar, 1 ; <i64> [#uses=2]
%exitcond = icmp eq i64 %indvar.next, 576 ; <i1> [#uses=1]
br i1 %exitcond, label %bb37, label %bb1.i
bb37: ; preds = %bb1.i, %bb
br label %return
return: ; preds = %bb39
ret void
}
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