mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-29 10:32:47 +00:00
87c5905e0b
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15390 91177308-0d34-0410-b5e6-96231b3b80d8
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
//===- CodeGenTarget.h - Target Class Wrapper -------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines wrappers for the Target class and related global
|
|
// functionality. 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 CODEGEN_TARGET_H
|
|
#define CODEGEN_TARGET_H
|
|
|
|
#include "CodeGenInstruction.h"
|
|
#include <iosfwd>
|
|
#include <map>
|
|
|
|
namespace llvm {
|
|
|
|
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);
|
|
std::string getName(MVT::ValueType T);
|
|
std::string getEnumName(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;
|
|
|
|
mutable std::map<std::string, CodeGenInstruction> Instructions;
|
|
void ReadInstructions() const;
|
|
public:
|
|
CodeGenTarget();
|
|
|
|
Record *getTargetRecord() const { return TargetRec; }
|
|
const std::string &getName() const;
|
|
|
|
const std::vector<Record*> &getCalleeSavedRegisters() const {
|
|
return CalleeSavedRegisters;
|
|
}
|
|
|
|
MVT::ValueType getPointerType() const { return PointerType; }
|
|
|
|
// getInstructionSet - Return the InstructionSet object.
|
|
///
|
|
Record *getInstructionSet() const;
|
|
|
|
/// getPHIInstruction - Return the designated PHI instruction.
|
|
const CodeGenInstruction &getPHIInstruction() const;
|
|
|
|
/// getInstructions - Return all of the instructions defined for this target.
|
|
///
|
|
const std::map<std::string, CodeGenInstruction> &getInstructions() const {
|
|
if (Instructions.empty()) ReadInstructions();
|
|
return Instructions;
|
|
}
|
|
|
|
typedef std::map<std::string,
|
|
CodeGenInstruction>::const_iterator inst_iterator;
|
|
inst_iterator inst_begin() const { return getInstructions().begin(); }
|
|
inst_iterator inst_end() const { return Instructions.end(); }
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|