1 ; RUN: opt < %s -passes='require<domfrontier>,loop-simplify,require<domfrontier>' -verify-dom-info
4 define void @a() nounwind {
6 br i1 undef, label %bb37, label %bb1.i
8 bb1.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
14 bb37: ; preds = %bb1.i, %bb
18 return: ; preds = %bb39