private bool TryMakeLoop(IntervalConstruct interval, DominatorTree dominatorTree) { V_0 = DFSTBuilder.BuildTree(interval); if (V_0.get_BackEdges().get_Count() == 0) { return(false); } V_2 = this.BuildLoop(V_0, out V_1); V_4 = this.DetermineLoopType(V_1, V_2, interval, dominatorTree, out V_3); if (V_1.get_Count() > 0) { V_5 = new LoopLogicalConstruct(interval.get_Entry() as ILogicalConstruct, V_1, V_4, V_3, this.typeSystem); this.CleanUpEdges(V_5); this.UpdateDominatorTree(dominatorTree, V_5); return(true); } V_6 = V_0.get_BackEdges().GetEnumerator(); try { while (V_6.MoveNext()) { V_7 = V_6.get_Current(); this.MarkAsGotoEdge(V_7.get_Start().get_Construct() as ILogicalConstruct, V_7.get_End().get_Construct() as ILogicalConstruct); } } finally { ((IDisposable)V_6).Dispose(); } return(false); }