+//
+// EmitProcessorLookup - generate cpu name to itinerary lookup table.
+//
+void SubtargetEmitter::EmitProcessorLookup(raw_ostream &OS) {
+ // Gather and sort processor information
+ std::vector<Record*> ProcessorList =
+ Records.getAllDerivedDefinitions("Processor");
+ std::sort(ProcessorList.begin(), ProcessorList.end(), LessRecordFieldName());
+
+ // Begin processor table
+ OS << "\n";
+ OS << "// Sorted (by key) array of itineraries for CPU subtype.\n"
+ << "static const llvm::SubtargetInfoKV ProcItinKV[] = {\n";
+
+ // For each processor
+ for (unsigned i = 0, N = ProcessorList.size(); i < N;) {
+ // Next processor
+ Record *Processor = ProcessorList[i];
+
+ const std::string &Name = Processor->getValueAsString("Name");
+ const std::string &ProcItin =
+ Processor->getValueAsDef("ProcItin")->getName();
+
+ // Emit as { "cpu", procinit },
+ OS << " { "
+ << "\"" << Name << "\", "
+ << "(void *)&" << ProcItin;
+
+ OS << " }";
+
+ // Depending on ''if more in the list'' emit comma
+ if (++i < N) OS << ",";
+
+ OS << "\n";
+ }
+
+ // End processor table
+ OS << "};\n";
+
+ // Emit size of table
+ OS<<"\nenum {\n";
+ OS<<" ProcItinKVSize = sizeof(ProcItinKV)/"
+ "sizeof(llvm::SubtargetInfoKV)\n";
+ OS<<"};\n";
+}
+