chapter05 cluster_Nodes cluster_Scope20_0 cluster_Scope20_1 Start1 Start $ctrl arg Con_5 #1 EQNode6 EQNode EQNode6->Start1:p1 EQNode6->Con_5 If7 If True False If7->Start1:p0 If7->EQNode6 Con_11 #2 Add12 Add Add12->Start1:p1 Add12->Con_11 Con_13 #3 Sub14 Sub Sub14->Start1:p1 Sub14->Con_13 Region15 Region Region15->If7:p0 Region15->If7:p1 Phi16 Phi Phi16->Add12 Phi16->Sub14 Phi16->Region15 Return17 Return Return17->Region15 Return17->Phi16 Scope20_0 0 $ctrl arg Scope20_0:Scope20_0_arg->Start1:p1 Scope20_1 1 a Scope20_1:Scope20_1_a->Phi16