| ; RUN: opt < %s -domfrontier -loop-simplify -domfrontier -verify-dom-info | |
| 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 | |
| } |