/// ClusterNodes - Cluster certain nodes which should be scheduled together.
///
void ScheduleDAGSDNodes::ClusterNodes() {
- for (SelectionDAG::allnodes_iterator NI = DAG->allnodes_begin(),
- E = DAG->allnodes_end(); NI != E; ++NI) {
- SDNode *Node = &*NI;
+ for (SDNode &NI : DAG->allnodes()) {
+ SDNode *Node = ∋
if (!Node || !Node->isMachineOpcode())
continue;
// to their associated SUnits by holding SUnits table indices. A value
// of -1 means the SDNode does not yet have an associated SUnit.
unsigned NumNodes = 0;
- for (SelectionDAG::allnodes_iterator NI = DAG->allnodes_begin(),
- E = DAG->allnodes_end(); NI != E; ++NI) {
- NI->setNodeId(-1);
+ for (SDNode &NI : DAG->allnodes()) {
+ NI.setNodeId(-1);
++NumNodes;
}
SDNode *NI = Worklist.pop_back_val();
// Add all operands to the worklist unless they've already been added.
- for (unsigned i = 0, e = NI->getNumOperands(); i != e; ++i)
- if (Visited.insert(NI->getOperand(i).getNode()).second)
- Worklist.push_back(NI->getOperand(i).getNode());
+ for (const SDValue &Op : NI->op_values())
+ if (Visited.insert(Op.getNode()).second)
+ Worklist.push_back(Op.getNode());
if (isPassiveNode(NI)) // Leaf node, e.g. a TargetImmediate.
continue;