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//===- CodeGenRegisters.h - Register and RegisterClass Info -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines structures to encapsulate information gleaned from the
// target register and register class definitions.
//
//===----------------------------------------------------------------------===//
#ifndef CODEGEN_REGISTERS_H
#define CODEGEN_REGISTERS_H
#include "llvm/CodeGen/ValueTypes.h"
#include <string>
#include <vector>
#include <cstdlib>
namespace llvm {
class Record;
/// CodeGenRegister - Represents a register definition.
struct CodeGenRegister {
Record *TheDef;
const std::string &getName() const;
unsigned DeclaredSpillSize, DeclaredSpillAlignment;
CodeGenRegister(Record *R);
};
struct CodeGenRegisterClass {
Record *TheDef;
std::string Namespace;
std::vector<Record*> Elements;
std::vector<MVT::SimpleValueType> VTs;
unsigned SpillSize;
unsigned SpillAlignment;
int CopyCost;
std::vector<Record*> SubRegClasses;
std::string MethodProtos, MethodBodies;
const std::string &getName() const;
const std::vector<MVT::SimpleValueType> &getValueTypes() const {return VTs;}
unsigned getNumValueTypes() const { return VTs.size(); }
MVT::SimpleValueType getValueTypeNum(unsigned VTNum) const {
if (VTNum < VTs.size())
return VTs[VTNum];
assert(0 && "VTNum greater than number of ValueTypes in RegClass!");
abort();
}
CodeGenRegisterClass(Record *R);
};
}
#endif
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