llvm-6502/utils/TableGen/CodeGenTarget.h
2003-08-07 05:38:11 +00:00

53 lines
1.5 KiB
C++

//===- CodeGenWrappers.h - Code Generation Class Wrappers -------*- C++ -*-===//
//
// These classes wrap target description classes used by the various code
// generation TableGen backends. This makes it easier to access the data and
// provides a single place that needs to check it for validity. All of these
// classes throw exceptions on error conditions.
//
//===----------------------------------------------------------------------===//
#ifndef CODEGENWRAPPERS_H
#define CODEGENWRAPPERS_H
#include "llvm/CodeGen/ValueTypes.h"
#include <iosfwd>
#include <vector>
class Record;
class RecordKeeper;
/// getValueType - Return the MVT::ValueType that the specified TableGen record
/// corresponds to.
MVT::ValueType getValueType(Record *Rec);
std::ostream &operator<<(std::ostream &OS, MVT::ValueType T);
/// CodeGenTarget - This class corresponds to the Target class in the .td files.
///
class CodeGenTarget {
Record *TargetRec;
std::vector<Record*> CalleeSavedRegisters;
MVT::ValueType PointerType;
public:
CodeGenTarget();
Record *getTargetRecord() const { return TargetRec; }
const std::string &getName() const;
const std::vector<Record*> &getCalleeSavedRegisters() const {
return CalleeSavedRegisters;
}
// getInstructionSet - Return the InstructionSet object...
Record *getInstructionSet() const;
// getInstructionSet - Return the CodeGenInstructionSet object for this
// target, lazily reading it from the record keeper as needed.
// CodeGenInstructionSet *getInstructionSet -
};
#endif