split machineoperand out into its own header file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45445 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-12-30 04:40:25 +00:00
parent 6259d51c91
commit 103a64318b
2 changed files with 354 additions and 334 deletions

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@ -16,348 +16,16 @@
#ifndef LLVM_CODEGEN_MACHINEINSTR_H
#define LLVM_CODEGEN_MACHINEINSTR_H
#include "llvm/Support/DataTypes.h"
#include <vector>
#include <cassert>
#include <iosfwd>
#include "llvm/CodeGen/MachineOperand.h"
namespace llvm {
class Value;
class Function;
class MachineBasicBlock;
class TargetInstrDescriptor;
class TargetMachine;
class GlobalValue;
template <typename T> struct ilist_traits;
template <typename T> struct ilist;
//===----------------------------------------------------------------------===//
// class MachineOperand
//
// Representation of each machine instruction operand.
//
struct MachineOperand {
enum MachineOperandType {
MO_Register, // Register operand.
MO_Immediate, // Immediate Operand
MO_MachineBasicBlock, // MachineBasicBlock reference
MO_FrameIndex, // Abstract Stack Frame Index
MO_ConstantPoolIndex, // Address of indexed Constant in Constant Pool
MO_JumpTableIndex, // Address of indexed Jump Table for switch
MO_ExternalSymbol, // Name of external global symbol
MO_GlobalAddress // Address of a global value
};
private:
union {
GlobalValue *GV; // For MO_GlobalAddress.
MachineBasicBlock *MBB; // For MO_MachineBasicBlock.
const char *SymbolName; // For MO_ExternalSymbol.
unsigned RegNo; // For MO_Register.
int64_t immedVal; // For MO_Immediate and MO_*Index.
} contents;
MachineOperandType opType:8; // Discriminate the union.
bool IsDef : 1; // True if this is a def, false if this is a use.
bool IsImp : 1; // True if this is an implicit def or use.
bool IsKill : 1; // True if this is a reg use and the reg is dead
// immediately after the read.
bool IsDead : 1; // True if this is a reg def and the reg is dead
// immediately after the write. i.e. A register
// that is defined but never used.
/// auxInfo - auxiliary information used by the MachineOperand
union {
/// offset - Offset to address of global or external, only valid for
/// MO_GlobalAddress, MO_ExternalSym and MO_ConstantPoolIndex
int offset;
/// subReg - SubRegister number, only valid for MO_Register. A value of 0
/// indicates the MO_Register has no subReg.
unsigned char subReg;
} auxInfo;
MachineOperand() {}
void print(std::ostream &os) const;
void print(std::ostream *os) const { if (os) print(*os); }
public:
MachineOperand(const MachineOperand &M) {
*this = M;
}
~MachineOperand() {}
/// getType - Returns the MachineOperandType for this operand.
///
MachineOperandType getType() const { return opType; }
/// Accessors that tell you what kind of MachineOperand you're looking at.
///
bool isRegister() const { return opType == MO_Register; }
bool isImmediate() const { return opType == MO_Immediate; }
bool isMachineBasicBlock() const { return opType == MO_MachineBasicBlock; }
bool isFrameIndex() const { return opType == MO_FrameIndex; }
bool isConstantPoolIndex() const { return opType == MO_ConstantPoolIndex; }
bool isJumpTableIndex() const { return opType == MO_JumpTableIndex; }
bool isGlobalAddress() const { return opType == MO_GlobalAddress; }
bool isExternalSymbol() const { return opType == MO_ExternalSymbol; }
int64_t getImm() const {
assert(isImmediate() && "Wrong MachineOperand accessor");
return contents.immedVal;
}
int64_t getImmedValue() const {
assert(isImmediate() && "Wrong MachineOperand accessor");
return contents.immedVal;
}
MachineBasicBlock *getMBB() const {
assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
return contents.MBB;
}
MachineBasicBlock *getMachineBasicBlock() const {
assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
return contents.MBB;
}
void setMachineBasicBlock(MachineBasicBlock *MBB) {
assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
contents.MBB = MBB;
}
int getFrameIndex() const {
assert(isFrameIndex() && "Wrong MachineOperand accessor");
return (int)contents.immedVal;
}
unsigned getConstantPoolIndex() const {
assert(isConstantPoolIndex() && "Wrong MachineOperand accessor");
return (unsigned)contents.immedVal;
}
unsigned getJumpTableIndex() const {
assert(isJumpTableIndex() && "Wrong MachineOperand accessor");
return (unsigned)contents.immedVal;
}
GlobalValue *getGlobal() const {
assert(isGlobalAddress() && "Wrong MachineOperand accessor");
return contents.GV;
}
int getOffset() const {
assert((isGlobalAddress() || isExternalSymbol() || isConstantPoolIndex()) &&
"Wrong MachineOperand accessor");
return auxInfo.offset;
}
unsigned getSubReg() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return (unsigned)auxInfo.subReg;
}
const char *getSymbolName() const {
assert(isExternalSymbol() && "Wrong MachineOperand accessor");
return contents.SymbolName;
}
bool isUse() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return !IsDef;
}
bool isDef() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return IsDef;
}
void setIsUse() {
assert(isRegister() && "Wrong MachineOperand accessor");
IsDef = false;
}
void setIsDef() {
assert(isRegister() && "Wrong MachineOperand accessor");
IsDef = true;
}
bool isImplicit() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return IsImp;
}
void setImplicit() {
assert(isRegister() && "Wrong MachineOperand accessor");
IsImp = true;
}
bool isKill() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return IsKill;
}
bool isDead() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return IsDead;
}
void setIsKill() {
assert(isRegister() && !IsDef && "Wrong MachineOperand accessor");
IsKill = true;
}
void setIsDead() {
assert(isRegister() && IsDef && "Wrong MachineOperand accessor");
IsDead = true;
}
void unsetIsKill() {
assert(isRegister() && !IsDef && "Wrong MachineOperand accessor");
IsKill = false;
}
void unsetIsDead() {
assert(isRegister() && IsDef && "Wrong MachineOperand accessor");
IsDead = false;
}
/// getReg - Returns the register number.
///
unsigned getReg() const {
assert(isRegister() && "This is not a register operand!");
return contents.RegNo;
}
/// MachineOperand mutators.
///
void setReg(unsigned Reg) {
assert(isRegister() && "This is not a register operand!");
contents.RegNo = Reg;
}
void setImmedValue(int64_t immVal) {
assert(isImmediate() && "Wrong MachineOperand mutator");
contents.immedVal = immVal;
}
void setImm(int64_t immVal) {
assert(isImmediate() && "Wrong MachineOperand mutator");
contents.immedVal = immVal;
}
void setOffset(int Offset) {
assert((isGlobalAddress() || isExternalSymbol() || isConstantPoolIndex() ||
isJumpTableIndex()) &&
"Wrong MachineOperand accessor");
auxInfo.offset = Offset;
}
void setSubReg(unsigned subReg) {
assert(isRegister() && "Wrong MachineOperand accessor");
auxInfo.subReg = (unsigned char)subReg;
}
void setConstantPoolIndex(unsigned Idx) {
assert(isConstantPoolIndex() && "Wrong MachineOperand accessor");
contents.immedVal = Idx;
}
void setJumpTableIndex(unsigned Idx) {
assert(isJumpTableIndex() && "Wrong MachineOperand accessor");
contents.immedVal = Idx;
}
/// isIdenticalTo - Return true if this operand is identical to the specified
/// operand. Note: This method ignores isKill and isDead properties.
bool isIdenticalTo(const MachineOperand &Other) const;
/// ChangeToImmediate - Replace this operand with a new immediate operand of
/// the specified value. If an operand is known to be an immediate already,
/// the setImmedValue method should be used.
void ChangeToImmediate(int64_t ImmVal) {
opType = MO_Immediate;
contents.immedVal = ImmVal;
}
/// ChangeToRegister - Replace this operand with a new register operand of
/// the specified value. If an operand is known to be an register already,
/// the setReg method should be used.
void ChangeToRegister(unsigned Reg, bool isDef, bool isImp = false,
bool isKill = false, bool isDead = false) {
opType = MO_Register;
contents.RegNo = Reg;
IsDef = isDef;
IsImp = isImp;
IsKill = isKill;
IsDead = isDead;
}
static MachineOperand CreateImm(int64_t Val) {
MachineOperand Op;
Op.opType = MachineOperand::MO_Immediate;
Op.contents.immedVal = Val;
Op.auxInfo.offset = 0;
return Op;
}
static MachineOperand CreateReg(unsigned Reg, bool isDef, bool isImp = false,
bool isKill = false, bool isDead = false,
unsigned SubReg = 0) {
MachineOperand Op;
Op.opType = MachineOperand::MO_Register;
Op.IsDef = isDef;
Op.IsImp = isImp;
Op.IsKill = isKill;
Op.IsDead = isDead;
Op.contents.RegNo = Reg;
Op.auxInfo.subReg = SubReg;
return Op;
}
static MachineOperand CreateMBB(MachineBasicBlock *MBB) {
MachineOperand Op;
Op.opType = MachineOperand::MO_MachineBasicBlock;
Op.contents.MBB = MBB;
Op.auxInfo.offset = 0;
return Op;
}
static MachineOperand CreateFI(unsigned Idx) {
MachineOperand Op;
Op.opType = MachineOperand::MO_FrameIndex;
Op.contents.immedVal = Idx;
Op.auxInfo.offset = 0;
return Op;
}
static MachineOperand CreateCPI(unsigned Idx, int Offset) {
MachineOperand Op;
Op.opType = MachineOperand::MO_ConstantPoolIndex;
Op.contents.immedVal = Idx;
Op.auxInfo.offset = Offset;
return Op;
}
static MachineOperand CreateJTI(unsigned Idx) {
MachineOperand Op;
Op.opType = MachineOperand::MO_JumpTableIndex;
Op.contents.immedVal = Idx;
Op.auxInfo.offset = 0;
return Op;
}
static MachineOperand CreateGA(GlobalValue *GV, int Offset) {
MachineOperand Op;
Op.opType = MachineOperand::MO_GlobalAddress;
Op.contents.GV = GV;
Op.auxInfo.offset = Offset;
return Op;
}
static MachineOperand CreateES(const char *SymName, int Offset = 0) {
MachineOperand Op;
Op.opType = MachineOperand::MO_ExternalSymbol;
Op.contents.SymbolName = SymName;
Op.auxInfo.offset = Offset;
return Op;
}
const MachineOperand &operator=(const MachineOperand &MO) {
contents = MO.contents;
IsDef = MO.IsDef;
IsImp = MO.IsImp;
IsKill = MO.IsKill;
IsDead = MO.IsDead;
opType = MO.opType;
auxInfo = MO.auxInfo;
return *this;
}
friend std::ostream& operator<<(std::ostream& os, const MachineOperand& mop) {
mop.print(os);
return os;
}
friend class MachineInstr;
};
//===----------------------------------------------------------------------===//
/// MachineInstr - Representation of each machine instruction.
///
@ -531,7 +199,6 @@ private:
// Debugging Support
std::ostream& operator<<(std::ostream &OS, const MachineInstr &MI);
std::ostream& operator<<(std::ostream &OS, const MachineOperand &MO);
} // End llvm namespace

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@ -0,0 +1,353 @@
//===-- llvm/CodeGen/MachineOperand.h - MachineOperand class ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the declaration of the MachineOperand class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_MACHINEOPERAND_H
#define LLVM_CODEGEN_MACHINEOPERAND_H
#include "llvm/Support/DataTypes.h"
#include <vector>
#include <cassert>
#include <iosfwd>
namespace llvm {
class MachineBasicBlock;
class GlobalValue;
/// MachineOperand class - Representation of each machine instruction operand.
///
class MachineOperand {
public:
enum MachineOperandType {
MO_Register, // Register operand.
MO_Immediate, // Immediate Operand
MO_MachineBasicBlock, // MachineBasicBlock reference
MO_FrameIndex, // Abstract Stack Frame Index
MO_ConstantPoolIndex, // Address of indexed Constant in Constant Pool
MO_JumpTableIndex, // Address of indexed Jump Table for switch
MO_ExternalSymbol, // Name of external global symbol
MO_GlobalAddress // Address of a global value
};
private:
union {
GlobalValue *GV; // For MO_GlobalAddress.
MachineBasicBlock *MBB; // For MO_MachineBasicBlock.
const char *SymbolName; // For MO_ExternalSymbol.
unsigned RegNo; // For MO_Register.
int64_t immedVal; // For MO_Immediate and MO_*Index.
} contents;
MachineOperandType opType:8; // Discriminate the union.
bool IsDef : 1; // True if this is a def, false if this is a use.
bool IsImp : 1; // True if this is an implicit def or use.
bool IsKill : 1; // True if this is a reg use and the reg is dead
// immediately after the read.
bool IsDead : 1; // True if this is a reg def and the reg is dead
// immediately after the write. i.e. A register
// that is defined but never used.
/// auxInfo - auxiliary information used by the MachineOperand
union {
/// offset - Offset to address of global or external, only valid for
/// MO_GlobalAddress, MO_ExternalSym and MO_ConstantPoolIndex
int offset;
/// subReg - SubRegister number, only valid for MO_Register. A value of 0
/// indicates the MO_Register has no subReg.
unsigned char subReg;
} auxInfo;
MachineOperand() {}
void print(std::ostream &os) const;
void print(std::ostream *os) const { if (os) print(*os); }
public:
MachineOperand(const MachineOperand &M) {
*this = M;
}
~MachineOperand() {}
/// getType - Returns the MachineOperandType for this operand.
///
MachineOperandType getType() const { return opType; }
/// Accessors that tell you what kind of MachineOperand you're looking at.
///
bool isRegister() const { return opType == MO_Register; }
bool isImmediate() const { return opType == MO_Immediate; }
bool isMachineBasicBlock() const { return opType == MO_MachineBasicBlock; }
bool isFrameIndex() const { return opType == MO_FrameIndex; }
bool isConstantPoolIndex() const { return opType == MO_ConstantPoolIndex; }
bool isJumpTableIndex() const { return opType == MO_JumpTableIndex; }
bool isGlobalAddress() const { return opType == MO_GlobalAddress; }
bool isExternalSymbol() const { return opType == MO_ExternalSymbol; }
int64_t getImm() const {
assert(isImmediate() && "Wrong MachineOperand accessor");
return contents.immedVal;
}
int64_t getImmedValue() const {
assert(isImmediate() && "Wrong MachineOperand accessor");
return contents.immedVal;
}
MachineBasicBlock *getMBB() const {
assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
return contents.MBB;
}
MachineBasicBlock *getMachineBasicBlock() const {
assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
return contents.MBB;
}
void setMachineBasicBlock(MachineBasicBlock *MBB) {
assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
contents.MBB = MBB;
}
int getFrameIndex() const {
assert(isFrameIndex() && "Wrong MachineOperand accessor");
return (int)contents.immedVal;
}
unsigned getConstantPoolIndex() const {
assert(isConstantPoolIndex() && "Wrong MachineOperand accessor");
return (unsigned)contents.immedVal;
}
unsigned getJumpTableIndex() const {
assert(isJumpTableIndex() && "Wrong MachineOperand accessor");
return (unsigned)contents.immedVal;
}
GlobalValue *getGlobal() const {
assert(isGlobalAddress() && "Wrong MachineOperand accessor");
return contents.GV;
}
int getOffset() const {
assert((isGlobalAddress() || isExternalSymbol() || isConstantPoolIndex()) &&
"Wrong MachineOperand accessor");
return auxInfo.offset;
}
unsigned getSubReg() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return (unsigned)auxInfo.subReg;
}
const char *getSymbolName() const {
assert(isExternalSymbol() && "Wrong MachineOperand accessor");
return contents.SymbolName;
}
bool isUse() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return !IsDef;
}
bool isDef() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return IsDef;
}
void setIsUse() {
assert(isRegister() && "Wrong MachineOperand accessor");
IsDef = false;
}
void setIsDef() {
assert(isRegister() && "Wrong MachineOperand accessor");
IsDef = true;
}
bool isImplicit() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return IsImp;
}
void setImplicit() {
assert(isRegister() && "Wrong MachineOperand accessor");
IsImp = true;
}
bool isKill() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return IsKill;
}
bool isDead() const {
assert(isRegister() && "Wrong MachineOperand accessor");
return IsDead;
}
void setIsKill() {
assert(isRegister() && !IsDef && "Wrong MachineOperand accessor");
IsKill = true;
}
void setIsDead() {
assert(isRegister() && IsDef && "Wrong MachineOperand accessor");
IsDead = true;
}
void unsetIsKill() {
assert(isRegister() && !IsDef && "Wrong MachineOperand accessor");
IsKill = false;
}
void unsetIsDead() {
assert(isRegister() && IsDef && "Wrong MachineOperand accessor");
IsDead = false;
}
/// getReg - Returns the register number.
///
unsigned getReg() const {
assert(isRegister() && "This is not a register operand!");
return contents.RegNo;
}
/// MachineOperand mutators.
///
void setReg(unsigned Reg) {
assert(isRegister() && "This is not a register operand!");
contents.RegNo = Reg;
}
void setImmedValue(int64_t immVal) {
assert(isImmediate() && "Wrong MachineOperand mutator");
contents.immedVal = immVal;
}
void setImm(int64_t immVal) {
assert(isImmediate() && "Wrong MachineOperand mutator");
contents.immedVal = immVal;
}
void setOffset(int Offset) {
assert((isGlobalAddress() || isExternalSymbol() || isConstantPoolIndex() ||
isJumpTableIndex()) &&
"Wrong MachineOperand accessor");
auxInfo.offset = Offset;
}
void setSubReg(unsigned subReg) {
assert(isRegister() && "Wrong MachineOperand accessor");
auxInfo.subReg = (unsigned char)subReg;
}
void setConstantPoolIndex(unsigned Idx) {
assert(isConstantPoolIndex() && "Wrong MachineOperand accessor");
contents.immedVal = Idx;
}
void setJumpTableIndex(unsigned Idx) {
assert(isJumpTableIndex() && "Wrong MachineOperand accessor");
contents.immedVal = Idx;
}
/// isIdenticalTo - Return true if this operand is identical to the specified
/// operand. Note: This method ignores isKill and isDead properties.
bool isIdenticalTo(const MachineOperand &Other) const;
/// ChangeToImmediate - Replace this operand with a new immediate operand of
/// the specified value. If an operand is known to be an immediate already,
/// the setImmedValue method should be used.
void ChangeToImmediate(int64_t ImmVal) {
opType = MO_Immediate;
contents.immedVal = ImmVal;
}
/// ChangeToRegister - Replace this operand with a new register operand of
/// the specified value. If an operand is known to be an register already,
/// the setReg method should be used.
void ChangeToRegister(unsigned Reg, bool isDef, bool isImp = false,
bool isKill = false, bool isDead = false) {
opType = MO_Register;
contents.RegNo = Reg;
IsDef = isDef;
IsImp = isImp;
IsKill = isKill;
IsDead = isDead;
}
static MachineOperand CreateImm(int64_t Val) {
MachineOperand Op;
Op.opType = MachineOperand::MO_Immediate;
Op.contents.immedVal = Val;
Op.auxInfo.offset = 0;
return Op;
}
static MachineOperand CreateReg(unsigned Reg, bool isDef, bool isImp = false,
bool isKill = false, bool isDead = false,
unsigned SubReg = 0) {
MachineOperand Op;
Op.opType = MachineOperand::MO_Register;
Op.IsDef = isDef;
Op.IsImp = isImp;
Op.IsKill = isKill;
Op.IsDead = isDead;
Op.contents.RegNo = Reg;
Op.auxInfo.subReg = SubReg;
return Op;
}
static MachineOperand CreateMBB(MachineBasicBlock *MBB) {
MachineOperand Op;
Op.opType = MachineOperand::MO_MachineBasicBlock;
Op.contents.MBB = MBB;
Op.auxInfo.offset = 0;
return Op;
}
static MachineOperand CreateFI(unsigned Idx) {
MachineOperand Op;
Op.opType = MachineOperand::MO_FrameIndex;
Op.contents.immedVal = Idx;
Op.auxInfo.offset = 0;
return Op;
}
static MachineOperand CreateCPI(unsigned Idx, int Offset) {
MachineOperand Op;
Op.opType = MachineOperand::MO_ConstantPoolIndex;
Op.contents.immedVal = Idx;
Op.auxInfo.offset = Offset;
return Op;
}
static MachineOperand CreateJTI(unsigned Idx) {
MachineOperand Op;
Op.opType = MachineOperand::MO_JumpTableIndex;
Op.contents.immedVal = Idx;
Op.auxInfo.offset = 0;
return Op;
}
static MachineOperand CreateGA(GlobalValue *GV, int Offset) {
MachineOperand Op;
Op.opType = MachineOperand::MO_GlobalAddress;
Op.contents.GV = GV;
Op.auxInfo.offset = Offset;
return Op;
}
static MachineOperand CreateES(const char *SymName, int Offset = 0) {
MachineOperand Op;
Op.opType = MachineOperand::MO_ExternalSymbol;
Op.contents.SymbolName = SymName;
Op.auxInfo.offset = Offset;
return Op;
}
const MachineOperand &operator=(const MachineOperand &MO) {
contents = MO.contents;
IsDef = MO.IsDef;
IsImp = MO.IsImp;
IsKill = MO.IsKill;
IsDead = MO.IsDead;
opType = MO.opType;
auxInfo = MO.auxInfo;
return *this;
}
friend std::ostream& operator<<(std::ostream& os, const MachineOperand& mop) {
mop.print(os);
return os;
}
friend class MachineInstr;
};
std::ostream& operator<<(std::ostream &OS, const MachineOperand &MO);
} // End llvm namespace
#endif