diff options
| -rw-r--r-- | utils/TableGen/SubtargetEmitter.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/utils/TableGen/SubtargetEmitter.cpp b/utils/TableGen/SubtargetEmitter.cpp index 48dbdc2c7c..39055c07b9 100644 --- a/utils/TableGen/SubtargetEmitter.cpp +++ b/utils/TableGen/SubtargetEmitter.cpp @@ -336,10 +336,16 @@ EmitStageAndOperandCycleData(raw_ostream &OS, std::vector<std::vector<InstrItinerary> > &ProcItinLists) { + // Multiple processor models may share an itinerary record. Emit it once. + SmallPtrSet<Record*, 8> ItinsDefSet; + // Emit functional units for all the itineraries. for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), PE = SchedModels.procModelEnd(); PI != PE; ++PI) { + if (!ItinsDefSet.insert(PI->ItinsDef)) + continue; + std::vector<Record*> FUs = PI->ItinsDef->getValueAsListOfDefs("FU"); if (FUs.empty()) continue; @@ -508,12 +514,18 @@ void SubtargetEmitter:: EmitItineraries(raw_ostream &OS, std::vector<std::vector<InstrItinerary> > &ProcItinLists) { + // Multiple processor models may share an itinerary record. Emit it once. + SmallPtrSet<Record*, 8> ItinsDefSet; + // For each processor's machine model std::vector<std::vector<InstrItinerary> >::iterator ProcItinListsIter = ProcItinLists.begin(); for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), PE = SchedModels.procModelEnd(); PI != PE; ++PI) { + Record *ItinsDef = PI->ItinsDef; + if (!ItinsDefSet.insert(ItinsDef)) + continue; // Get processor itinerary name const std::string &Name = ItinsDef->getName(); |