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Split Register specific stuff out from TargetMachine.h to RegInfo.h

Get rid of unneccesary #includes from TargetMachine.h

llvm-svn: 568
This commit is contained in:
Chris Lattner 2001-09-14 06:20:10 +00:00
parent de29307caa
commit e8a8afce05
4 changed files with 105 additions and 109 deletions

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@ -8,10 +8,13 @@
#define LLVM_TARGET_INSTINFO_H
#include "llvm/Target/Machine.h"
#include "llvm/Support/DataTypes.h"
class MachineInstrDescriptor;
typedef int InstrSchedClass;
// Global variable holding an array of descriptors for machine instructions.
// The actual object needs to be created separately for each target machine.
// This variable is initialized and reset by class MachineInstrInfo.

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@ -9,14 +9,8 @@
#include "llvm/Target/Data.h"
#include "llvm/Support/NonCopyable.h"
#include "llvm/Support/DataTypes.h"
#include <string>
#include <hash_map>
#include <hash_set>
#include <algorithm>
class StructType;
struct MachineInstrDescriptor;
class TargetMachine;
class MachineInstrInfo;
@ -27,107 +21,6 @@ class MachineInstrInfo;
typedef int MachineOpCode;
typedef int OpCodeMask;
static const unsigned MAX_OPCODE_SIZE = 16;
//-----------------------------------------------------------------------------
// class MachineRegClassInfo
//
// Purpose:
// Interface to description of machine register class (e.g., int reg class
// float reg class etc)
//
//--------------------------------------------------------------------------
class IGNode;
class MachineRegClassInfo {
protected:
const unsigned RegClassID; // integer ID of a reg class
const unsigned NumOfAvailRegs; // # of avail for coloring -without SP etc.
const unsigned NumOfAllRegs; // # of all registers -including SP,g0 etc.
public:
inline unsigned getRegClassID() const { return RegClassID; }
inline unsigned getNumOfAvailRegs() const { return NumOfAvailRegs; }
inline unsigned getNumOfAllRegs() const { return NumOfAllRegs; }
// This method should find a color which is not used by neighbors
// (i.e., a false position in IsColorUsedArr) and
virtual void colorIGNode(IGNode * Node, bool IsColorUsedArr[] ) const = 0;
MachineRegClassInfo(const unsigned ID, const unsigned NVR,
const unsigned NAR): RegClassID(ID), NumOfAvailRegs(NVR),
NumOfAllRegs(NAR)
{ } // empty constructor
};
//---------------------------------------------------------------------------
// class MachineRegInfo
//
// Purpose:
// Interface to register info of target machine
//
//--------------------------------------------------------------------------
class LiveRangeInfo;
class Method;
class Instruction;
class LiveRange;
class AddedInstrns;
class MachineInstr;
typedef hash_map<const MachineInstr *, AddedInstrns *> AddedInstrMapType;
// A vector of all machine register classes
typedef vector<const MachineRegClassInfo *> MachineRegClassArrayType;
class MachineRegInfo : public NonCopyableV {
protected:
MachineRegClassArrayType MachineRegClassArr;
public:
inline unsigned int getNumOfRegClasses() const {
return MachineRegClassArr.size();
}
const MachineRegClassInfo *const getMachineRegClass(unsigned i) const {
return MachineRegClassArr[i];
}
virtual unsigned getRegClassIDOfValue (const Value *const Val) const = 0;
virtual void colorArgs(const Method *const Meth,
LiveRangeInfo & LRI) const = 0;
virtual void colorCallArgs(vector<const Instruction *> & CallInstrList,
LiveRangeInfo& LRI,
AddedInstrMapType& AddedInstrMap ) const = 0;
virtual int getUnifiedRegNum(int RegClassID, int reg) const = 0;
virtual const string getUnifiedRegName(int reg) const = 0;
//virtual void printReg(const LiveRange *const LR) const =0;
MachineRegInfo() { }
};
//---------------------------------------------------------------------------

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@ -0,0 +1,99 @@
//===-- llvm/Target/RegInfo.h - Target Register Information ------*- C++ -*-==//
//
// This file is used to describe the register system of a target to the register
// allocator.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGET_REGINFO_H
#define LLVM_TARGET_REGINFO_H
class LiveRangeInfo;
class Method;
class Instruction;
class LiveRange;
class AddedInstrns;
class MachineInstr;
//-----------------------------------------------------------------------------
// class MachineRegClassInfo
//
// Purpose:
// Interface to description of machine register class (e.g., int reg class
// float reg class etc)
//
//--------------------------------------------------------------------------
class IGNode;
class MachineRegClassInfo {
protected:
const unsigned RegClassID; // integer ID of a reg class
const unsigned NumOfAvailRegs; // # of avail for coloring -without SP etc.
const unsigned NumOfAllRegs; // # of all registers -including SP,g0 etc.
public:
inline unsigned getRegClassID() const { return RegClassID; }
inline unsigned getNumOfAvailRegs() const { return NumOfAvailRegs; }
inline unsigned getNumOfAllRegs() const { return NumOfAllRegs; }
// This method should find a color which is not used by neighbors
// (i.e., a false position in IsColorUsedArr) and
virtual void colorIGNode(IGNode * Node, bool IsColorUsedArr[] ) const = 0;
MachineRegClassInfo(const unsigned ID, const unsigned NVR,
const unsigned NAR): RegClassID(ID), NumOfAvailRegs(NVR),
NumOfAllRegs(NAR) { }
};
//---------------------------------------------------------------------------
// class MachineRegInfo
//
// Purpose:
// Interface to register info of target machine
//
//--------------------------------------------------------------------------
typedef hash_map<const MachineInstr *, AddedInstrns *> AddedInstrMapType;
// A vector of all machine register classes
typedef vector<const MachineRegClassInfo *> MachineRegClassArrayType;
class MachineRegInfo : public NonCopyableV {
protected:
MachineRegClassArrayType MachineRegClassArr;
public:
inline unsigned int getNumOfRegClasses() const {
return MachineRegClassArr.size();
}
const MachineRegClassInfo *const getMachineRegClass(unsigned i) const {
return MachineRegClassArr[i];
}
virtual unsigned getRegClassIDOfValue (const Value *const Val) const = 0;
virtual void colorArgs(const Method *const Meth,
LiveRangeInfo & LRI) const = 0;
virtual void colorCallArgs(vector<const Instruction *> & CallInstrList,
LiveRangeInfo& LRI,
AddedInstrMapType& AddedInstrMap ) const = 0;
virtual int getUnifiedRegNum(int RegClassID, int reg) const = 0;
virtual const string getUnifiedRegName(int reg) const = 0;
//virtual void printReg(const LiveRange *const LR) const =0;
MachineRegInfo() { }
};
#endif

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@ -8,11 +8,12 @@
#define LLVM_TARGET_SCHEDINFO_H
#include "llvm/Target/InstInfo.h"
#include <hash_map>
typedef long long cycles_t;
const cycles_t HUGE_LATENCY = ~((unsigned long long) 1 << sizeof(cycles_t)-1);
const cycles_t INVALID_LATENCY = -HUGE_LATENCY;
static const unsigned MAX_OPCODE_SIZE = 16;
class OpCodePair {
public: