mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-10-31 08:16:47 +00:00 
			
		
		
		
	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24139 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			63 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===- SubtargetEmitter.h - Generate subtarget enumerations -----*- C++ -*-===//
 | |
| //
 | |
| //                     The LLVM Compiler Infrastructure
 | |
| //
 | |
| // This file was developed by James M. Laskey and is distributed under
 | |
| // the University of Illinois Open Source License. See LICENSE.TXT for details.
 | |
| //
 | |
| //===----------------------------------------------------------------------===//
 | |
| //
 | |
| // This tablegen backend emits subtarget enumerations.
 | |
| //
 | |
| //===----------------------------------------------------------------------===//
 | |
| 
 | |
| #ifndef SUBTARGET_EMITTER_H
 | |
| #define SUBTARGET_EMITTER_H
 | |
| 
 | |
| #include "TableGenBackend.h"
 | |
| #include "llvm/Target/TargetInstrItineraries.h"
 | |
| #include <vector>
 | |
| #include <map>
 | |
| #include <string>
 | |
| 
 | |
| 
 | |
| namespace llvm {
 | |
| 
 | |
| class SubtargetEmitter : public TableGenBackend {
 | |
|   
 | |
|   RecordKeeper &Records;
 | |
|   std::string Target;
 | |
|   bool HasItineraries;
 | |
|   
 | |
|   void Enumeration(std::ostream &OS, const char *ClassName, bool isBits);
 | |
|   void FeatureKeyValues(std::ostream &OS);
 | |
|   void CPUKeyValues(std::ostream &OS);
 | |
|   unsigned CollectAllItinClasses(std::ostream &OS,
 | |
|                                std::map<std::string, unsigned> &ItinClassesMap);
 | |
|   void FormItineraryString(Record *ItinData, std::string &ItinString,
 | |
|                            unsigned &NStages);
 | |
|   void EmitStageData(std::ostream &OS, unsigned NItinClasses,
 | |
|                      std::map<std::string, unsigned> &ItinClassesMap,
 | |
|                      std::vector<std::vector<InstrItinerary> > &ProcList);
 | |
|   void EmitProcessorData(std::ostream &OS,
 | |
|                        std::vector<std::vector<InstrItinerary> > &ProcList);
 | |
|   void EmitProcessorLookup(std::ostream &OS);
 | |
|   void EmitData(std::ostream &OS);
 | |
|   void ParseFeaturesFunction(std::ostream &OS);
 | |
|   
 | |
| public:
 | |
|   SubtargetEmitter(RecordKeeper &R) : Records(R), HasItineraries(false) {}
 | |
| 
 | |
|   // run - Output the subtarget enumerations, returning true on failure.
 | |
|   void run(std::ostream &o);
 | |
| 
 | |
| };
 | |
| 
 | |
| 
 | |
| } // End llvm namespace
 | |
| 
 | |
| #endif
 | |
| 
 | |
| 
 | |
| 
 |