///
virtual void Schedule() = 0;
+ /// getGraphpNodeLabel - Return a label for an SUnit node in a Graphviz or similar
+ /// graph visualization.
+ virtual std::string getGraphNodeLabel(const SUnit *SU) const;
+
private:
/// EmitSubregNode - Generate machine code for subreg nodes.
///
std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
const ScheduleDAG *G) {
- std::string Op;
-
- if (G->DAG) {
- if (!SU->getNode())
- Op = "<CROSS RC COPY>";
- else {
- SmallVector<SDNode *, 4> FlaggedNodes;
- for (SDNode *N = SU->getNode(); N; N = N->getFlaggedNode())
- FlaggedNodes.push_back(N);
- while (!FlaggedNodes.empty()) {
- Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(FlaggedNodes.back(),
- G->DAG) + "\n";
- FlaggedNodes.pop_back();
- }
+ return G->getGraphNodeLabel(SU);
+}
+
+std::string ScheduleDAG::getGraphNodeLabel(const SUnit *SU) const {
+ std::string s;
+ raw_string_ostream O(s);
+ O << "SU(" << SU->NodeNum << "): ";
+ if (SU->getNode()) {
+ SmallVector<SDNode *, 4> FlaggedNodes;
+ for (SDNode *N = SU->getNode(); N; N = N->getFlaggedNode())
+ FlaggedNodes.push_back(N);
+ while (!FlaggedNodes.empty()) {
+ O << DOTGraphTraits<SelectionDAG*>::getNodeLabel(FlaggedNodes.back(), DAG);
+ FlaggedNodes.pop_back();
+ if (!FlaggedNodes.empty())
+ O << "\n ";
}
} else {
- std::string s;
- raw_string_ostream oss(s);
- SU->getInstr()->print(oss);
- Op += oss.str();
+ O << "CROSS RC COPY";
}
-
- return Op;
+ return O.str();
}
-
/// viewGraph - Pop up a ghostview window with the reachable parts of the DAG
/// rendered using 'dot'.
///