1 ; RUN: opt < %s -domfrontier -loop-simplify -domfrontier -verify-dom-info -analyze 2 3 4 define void @a() nounwind { 5 entry: 6 br i1 undef, label %bb37, label %bb1.i 7 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 13 14 bb37: ; preds = %bb1.i, %bb 15 br label %return 16 17 18 return: ; preds = %bb39 19 ret void 20 } 21
