71 std::ostream& operator<<(std::ostream& os, const ControlDependence& dep) {  in operator <<()  argument
72   os << dep.source_bb_id() << "->" << dep.target_bb_id();  in operator <<()
73   if (dep.branch_target_bb_id() != dep.target_bb_id()) {  in operator <<()
74     os << " through " << dep.branch_target_bb_id();  in operator <<()
128     for (const ControlDependence& dep : reverse_nodes_[child->id()]) {  in ComputePostDominanceFrontierForNode()  local
130       if (dep.source_bb_id() == kPseudoEntryBlock ||  in ComputePostDominanceFrontierForNode()
131           !pdom.StrictlyDominates(label, dep.source_bb_id())) {  in ComputePostDominanceFrontierForNode()
132         edges.push_back(ControlDependence(dep.source_bb_id(), label,  in ComputePostDominanceFrontierForNode()
133                                           dep.branch_target_bb_id()));  in ComputePostDominanceFrontierForNode()
149     for (const ControlDependence& dep : entry.second) {  in ComputeForwardGraphFromReverse()  local
150       forward_nodes_[dep.source_bb_id()].push_back(dep);  in ComputeForwardGraphFromReverse()