<commit_before>//===-- llvm/Target/Machine.h - General Target Information -------*- C++ -*-==//
//
// This file describes the general parts of a Target machine.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TARGET_MACHINE_H
#define LLVM_TARGET_MACHINE_H

#include "llvm/Target/Data.h"
#include "llvm/Support/NonCopyable.h"
#include <string>

class TargetMachine;
class MachineInstrInfo;
class MachineInstrDescriptor;

//---------------------------------------------------------------------------
// Data types used to define information about a single machine instruction
//---------------------------------------------------------------------------

typedef int MachineOpCode;
typedef int OpCodeMask;


//---------------------------------------------------------------------------
// class TargetMachine
// 
// Purpose:
//   Primary interface to machine description for the target machine.
// 
//---------------------------------------------------------------------------

class TargetMachine : public NonCopyableV {
public:
  const string     TargetName;
  const TargetData DataLayout;		// Calculates type size & alignment
  int              optSizeForSubWordData;
  int	           minMemOpWordSize;
  int	           maxAtomicMemOpWordSize;
  
  // Register information.  This needs to be reorganized into a single class.
  int		zeroRegNum;	// register that gives 0 if any (-1 if none)
  
protected:
  TargetMachine(const string &targetname, // Can only create subclasses...
		unsigned char PtrSize = 8, unsigned char PtrAl = 8,
		unsigned char DoubleAl = 8, unsigned char FloatAl = 4,
		unsigned char LongAl = 8, unsigned char IntAl = 4,
		unsigned char ShortAl = 2, unsigned char ByteAl = 1)
    : TargetName(targetname), DataLayout(targetname, PtrSize, PtrAl,
					 DoubleAl, FloatAl, LongAl, IntAl, 
					 ShortAl, ByteAl) { }
public:
  virtual ~TargetMachine() {}
  
  virtual const MachineInstrInfo& getInstrInfo() const = 0;

  virtual unsigned int	findOptimalStorageSize	(const Type* ty) const;
  
  // This really should be in the register info class
  virtual bool		regsMayBeAliased	(unsigned int regNum1,
						 unsigned int regNum2) const {
    return (regNum1 == regNum2);
  }
  
  // compileMethod - This does everything neccesary to compile a method into the
  // built in representation.  This allows the target to have complete control
  // over how it does compilation.  This does not emit assembly or output
  // machine code however, this is done later.
  //
  virtual bool compileMethod(Method *M) = 0;

  // emitAssembly - Output assembly language code (a .s file) for the specified
  // method. The specified method must have been compiled before this may be
  // used.
  //
  virtual void emitAssembly(Method *M, ostream &OutStr) {  /* todo */ }
};

#endif<commit_msg>added reg alloc support<commit_after>//===-- llvm/Target/Machine.h - General Target Information -------*- C++ -*-==//
//
// This file describes the general parts of a Target machine.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TARGET_MACHINE_H
#define LLVM_TARGET_MACHINE_H

#include "llvm/Target/Data.h"
#include "llvm/Support/NonCopyable.h"
#include <string>

class TargetMachine;
class MachineInstrInfo;
class MachineInstrDescriptor;
class MachineRegInfo;

//---------------------------------------------------------------------------
// Data types used to define information about a single machine instruction
//---------------------------------------------------------------------------

typedef int MachineOpCode;
typedef int OpCodeMask;


//---------------------------------------------------------------------------
// class TargetMachine
// 
// Purpose:
//   Primary interface to machine description for the target machine.
// 
//---------------------------------------------------------------------------

class TargetMachine : public NonCopyableV {
public:
  const string     TargetName;
  const TargetData DataLayout;		// Calculates type size & alignment
  int              optSizeForSubWordData;
  int	           minMemOpWordSize;
  int	           maxAtomicMemOpWordSize;
  
  // Register information.  This needs to be reorganized into a single class.
  int		zeroRegNum;	// register that gives 0 if any (-1 if none)
  
protected:
  TargetMachine(const string &targetname, // Can only create subclasses...
		unsigned char PtrSize = 8, unsigned char PtrAl = 8,
		unsigned char DoubleAl = 8, unsigned char FloatAl = 4,
		unsigned char LongAl = 8, unsigned char IntAl = 4,
		unsigned char ShortAl = 2, unsigned char ByteAl = 1)
    : TargetName(targetname), DataLayout(targetname, PtrSize, PtrAl,
					 DoubleAl, FloatAl, LongAl, IntAl, 
					 ShortAl, ByteAl) { }
public:
  virtual ~TargetMachine() {}
  
  virtual const MachineInstrInfo& getInstrInfo() const = 0;

  virtual const MachineRegInfo& getRegInfo() const = 0;

  virtual unsigned int	findOptimalStorageSize	(const Type* ty) const;
  
  // This really should be in the register info class
  virtual bool		regsMayBeAliased	(unsigned int regNum1,
						 unsigned int regNum2) const {
    return (regNum1 == regNum2);
  }
  
  // compileMethod - This does everything neccesary to compile a method into the
  // built in representation.  This allows the target to have complete control
  // over how it does compilation.  This does not emit assembly or output
  // machine code however, this is done later.
  //
  virtual bool compileMethod(Method *M) = 0;

  // emitAssembly - Output assembly language code (a .s file) for the specified
  // method. The specified method must have been compiled before this may be
  // used.
  //
  virtual void emitAssembly(Method *M, ostream &OutStr) {  /* todo */ }
};

#endif
{'fraction_non_alphanumeric': 0.20861442656979762, 'fraction_numerical': 0.005708354955889984, 'mean_word_length': 1.9804123711340207, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 5, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4486078', 'n_tokens_mistral': 1546, 'n_tokens_neox': 1455, 'n_words': 552}