llvm/utils/TableGen/InstrInfoEmitter.h
2003-08-06 04:32:07 +00:00

35 lines
1.1 KiB
C++

//===- InstrInfoEmitter.h - Generate a Instruction Set Desc. ----*- C++ -*-===//
//
// This tablegen backend is responsible for emitting a description of the target
// instruction set for the code generator.
//
//===----------------------------------------------------------------------===//
#ifndef INSTRINFO_EMITTER_H
#define INSTRINFO_EMITTER_H
#include "TableGenBackend.h"
class StringInit;
class IntInit;
class ListInit;
class InstrInfoEmitter : public TableGenBackend {
RecordKeeper &Records;
public:
InstrInfoEmitter(RecordKeeper &R) : Records(R) {}
// run - Output the instruction set description, returning true on failure.
void run(std::ostream &OS);
// runEnums - Print out enum values for all of the instructions.
void runEnums(std::ostream &OS);
private:
void printDefList(ListInit *LI, const std::string &Name,
std::ostream &OS) const;
void emitRecord(Record *R, unsigned Num, Record *InstrInfo, std::ostream &OS);
void emitShiftedValue(Record *R, StringInit *Val, IntInit *Shift,
std::ostream &OS);
};
#endif