X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FMachineOperand.h;h=eede2cc50ced7125eef1dad900fee06c7b6c396b;hb=c24096559dad926ea3554782fd76240f5de9fe7d;hp=7bd7a30a3723c2314466dff35024fbd925312022;hpb=e3087890ac7f2fcf4697f8e09091e9a384311b9c;p=oota-llvm.git diff --git a/include/llvm/CodeGen/MachineOperand.h b/include/llvm/CodeGen/MachineOperand.h index 7bd7a30a372..eede2cc50ce 100644 --- a/include/llvm/CodeGen/MachineOperand.h +++ b/include/llvm/CodeGen/MachineOperand.h @@ -14,234 +14,334 @@ #ifndef LLVM_CODEGEN_MACHINEOPERAND_H #define LLVM_CODEGEN_MACHINEOPERAND_H -#include "llvm/Support/DataTypes.h" -#include +#include "llvm/System/DataTypes.h" #include -#include namespace llvm { +class ConstantFP; +class BlockAddress; class MachineBasicBlock; class GlobalValue; - class MachineInstr; +class MachineInstr; +class TargetMachine; +class MachineRegisterInfo; +class raw_ostream; /// 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 + MO_Register, ///< Register operand. + MO_Immediate, ///< Immediate operand + MO_FPImmediate, ///< Floating-point 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 + MO_BlockAddress ///< Address of a basic block }; 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 ImmVal; // For MO_Immediate. - int Index; // For MO_FrameIndex/CPI/JTI. - } contents; - - /// ParentMI - This is the instruction that this operand is embedded into. - MachineInstr *ParentMI; + /// OpKind - Specify what kind of operand this is. This discriminates the + /// union. + unsigned char OpKind; // MachineOperandType - 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. - /// SubReg - Subregister number, only valid for MO_Register. A value of 0 /// indicates the MO_Register has no subReg. unsigned char SubReg; - /// 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; - - } auxInfo; + /// TargetFlags - This is a set of target-specific operand flags. + unsigned char TargetFlags; + + /// IsDef/IsImp/IsKill/IsDead flags - These are only valid for MO_Register + /// operands. + + /// IsDef - True if this is a def, false if this is a use of the register. + /// + bool IsDef : 1; - MachineOperand() : ParentMI(0) {} + /// IsImp - True if this is an implicit def or use, false if it is explicit. + /// + bool IsImp : 1; - void print(std::ostream &os) const; - void print(std::ostream *os) const { if (os) print(*os); } + /// IsKill - True if this instruction is the last use of the register on this + /// path through the function. This is only valid on uses of registers. + bool IsKill : 1; -public: - MachineOperand(const MachineOperand &M) { - *this = M; - } - - ~MachineOperand() {} + /// IsDead - True if this register is never used by a subsequent instruction. + /// This is only valid on definitions of registers. + bool IsDead : 1; + + /// IsUndef - True if this is a register def / use of "undef", i.e. register + /// defined by an IMPLICIT_DEF. This is only valid on registers. + bool IsUndef : 1; + + /// IsEarlyClobber - True if this MO_Register 'def' operand is written to + /// by the MachineInstr before all input registers are read. This is used to + /// model the GCC inline asm '&' constraint modifier. + bool IsEarlyClobber : 1; + + /// ParentMI - This is the instruction that this operand is embedded into. + /// This is valid for all operand types, when the operand is in an instr. + MachineInstr *ParentMI; + + /// Contents union - This contains the payload for the various operand types. + union { + MachineBasicBlock *MBB; // For MO_MachineBasicBlock. + const ConstantFP *CFP; // For MO_FPImmediate. + int64_t ImmVal; // For MO_Immediate. + + struct { // For MO_Register. + unsigned RegNo; + MachineOperand **Prev; // Access list for register. + MachineOperand *Next; + } Reg; + + /// OffsetedInfo - This struct contains the offset and an object identifier. + /// this represent the object as with an optional offset from it. + struct { + union { + int Index; // For MO_*Index - The index itself. + const char *SymbolName; // For MO_ExternalSymbol. + GlobalValue *GV; // For MO_GlobalAddress. + BlockAddress *BA; // For MO_BlockAddress. + } Val; + int64_t Offset; // An offset from the object. + } OffsetedInfo; + } Contents; + explicit MachineOperand(MachineOperandType K) : OpKind(K), ParentMI(0) { + TargetFlags = 0; + } +public: /// getType - Returns the MachineOperandType for this operand. /// - MachineOperandType getType() const { return opType; } + MachineOperandType getType() const { return (MachineOperandType)OpKind; } + + unsigned char getTargetFlags() const { return TargetFlags; } + void setTargetFlags(unsigned char F) { TargetFlags = F; } + void addTargetFlag(unsigned char F) { TargetFlags |= F; } + /// getParent - Return the instruction that this operand belongs to. /// MachineInstr *getParent() { return ParentMI; } const MachineInstr *getParent() const { return ParentMI; } - /// 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; } + void print(raw_ostream &os, const TargetMachine *TM = 0) const; - int64_t getImm() const { - assert(isImmediate() && "Wrong MachineOperand accessor"); - return contents.ImmVal; + //===--------------------------------------------------------------------===// + // Accessors that tell you what kind of MachineOperand you're looking at. + //===--------------------------------------------------------------------===// + + /// isReg - Tests if this is a MO_Register operand. + bool isReg() const { return OpKind == MO_Register; } + /// isImm - Tests if this is a MO_Immediate operand. + bool isImm() const { return OpKind == MO_Immediate; } + /// isFPImm - Tests if this is a MO_FPImmediate operand. + bool isFPImm() const { return OpKind == MO_FPImmediate; } + /// isMBB - Tests if this is a MO_MachineBasicBlock operand. + bool isMBB() const { return OpKind == MO_MachineBasicBlock; } + /// isFI - Tests if this is a MO_FrameIndex operand. + bool isFI() const { return OpKind == MO_FrameIndex; } + /// isCPI - Tests if this is a MO_ConstantPoolIndex operand. + bool isCPI() const { return OpKind == MO_ConstantPoolIndex; } + /// isJTI - Tests if this is a MO_JumpTableIndex operand. + bool isJTI() const { return OpKind == MO_JumpTableIndex; } + /// isGlobal - Tests if this is a MO_GlobalAddress operand. + bool isGlobal() const { return OpKind == MO_GlobalAddress; } + /// isSymbol - Tests if this is a MO_ExternalSymbol operand. + bool isSymbol() const { return OpKind == MO_ExternalSymbol; } + /// isBlockAddress - Tests if this is a MO_BlockAddress operand. + bool isBlockAddress() const { return OpKind == MO_BlockAddress; } + + //===--------------------------------------------------------------------===// + // Accessors for Register Operands + //===--------------------------------------------------------------------===// + + /// getReg - Returns the register number. + unsigned getReg() const { + assert(isReg() && "This is not a register operand!"); + return Contents.Reg.RegNo; } - MachineBasicBlock *getMBB() const { - assert(isMachineBasicBlock() && "Wrong MachineOperand accessor"); - return contents.MBB; - } - MachineBasicBlock *getMachineBasicBlock() const { - assert(isMachineBasicBlock() && "Wrong MachineOperand accessor"); - return contents.MBB; + unsigned getSubReg() const { + assert(isReg() && "Wrong MachineOperand accessor"); + return (unsigned)SubReg; } - void setMachineBasicBlock(MachineBasicBlock *MBB) { - assert(isMachineBasicBlock() && "Wrong MachineOperand accessor"); - contents.MBB = MBB; + + bool isUse() const { + assert(isReg() && "Wrong MachineOperand accessor"); + return !IsDef; } - int getFrameIndex() const { - assert(isFrameIndex() && "Wrong MachineOperand accessor"); - return (int)contents.Index; + + bool isDef() const { + assert(isReg() && "Wrong MachineOperand accessor"); + return IsDef; } - unsigned getConstantPoolIndex() const { - assert(isConstantPoolIndex() && "Wrong MachineOperand accessor"); - return (unsigned)contents.Index; + + bool isImplicit() const { + assert(isReg() && "Wrong MachineOperand accessor"); + return IsImp; } - unsigned getJumpTableIndex() const { - assert(isJumpTableIndex() && "Wrong MachineOperand accessor"); - return (unsigned)contents.Index; + + bool isDead() const { + assert(isReg() && "Wrong MachineOperand accessor"); + return IsDead; } - GlobalValue *getGlobal() const { - assert(isGlobalAddress() && "Wrong MachineOperand accessor"); - return contents.GV; + + bool isKill() const { + assert(isReg() && "Wrong MachineOperand accessor"); + return IsKill; } - int getOffset() const { - assert((isGlobalAddress() || isExternalSymbol() || isConstantPoolIndex()) && - "Wrong MachineOperand accessor"); - return auxInfo.offset; + + bool isUndef() const { + assert(isReg() && "Wrong MachineOperand accessor"); + return IsUndef; } - unsigned getSubReg() const { - assert(isRegister() && "Wrong MachineOperand accessor"); - return (unsigned)SubReg; + + bool isEarlyClobber() const { + assert(isReg() && "Wrong MachineOperand accessor"); + return IsEarlyClobber; } - const char *getSymbolName() const { - assert(isExternalSymbol() && "Wrong MachineOperand accessor"); - return contents.SymbolName; + + /// getNextOperandForReg - Return the next MachineOperand in the function that + /// uses or defines this register. + MachineOperand *getNextOperandForReg() const { + assert(isReg() && "This is not a register operand!"); + return Contents.Reg.Next; } - bool isUse() const { - assert(isRegister() && "Wrong MachineOperand accessor"); - return !IsDef; + //===--------------------------------------------------------------------===// + // Mutators for Register Operands + //===--------------------------------------------------------------------===// + + /// Change the register this operand corresponds to. + /// + void setReg(unsigned Reg); + + void setSubReg(unsigned subReg) { + assert(isReg() && "Wrong MachineOperand accessor"); + SubReg = (unsigned char)subReg; } - bool isDef() const { - assert(isRegister() && "Wrong MachineOperand accessor"); - return IsDef; + + void setIsUse(bool Val = true) { + assert(isReg() && "Wrong MachineOperand accessor"); + IsDef = !Val; } - void setIsUse() { - assert(isRegister() && "Wrong MachineOperand accessor"); - IsDef = false; + + void setIsDef(bool Val = true) { + assert(isReg() && "Wrong MachineOperand accessor"); + IsDef = Val; } - void setIsDef() { - assert(isRegister() && "Wrong MachineOperand accessor"); - IsDef = true; + + void setImplicit(bool Val = true) { + assert(isReg() && "Wrong MachineOperand accessor"); + IsImp = Val; } - bool isImplicit() const { - assert(isRegister() && "Wrong MachineOperand accessor"); - return IsImp; + void setIsKill(bool Val = true) { + assert(isReg() && !IsDef && "Wrong MachineOperand accessor"); + IsKill = Val; } - void setImplicit() { - assert(isRegister() && "Wrong MachineOperand accessor"); - IsImp = true; + + void setIsDead(bool Val = true) { + assert(isReg() && IsDef && "Wrong MachineOperand accessor"); + IsDead = Val; } - bool isKill() const { - assert(isRegister() && "Wrong MachineOperand accessor"); - return IsKill; - } - bool isDead() const { - assert(isRegister() && "Wrong MachineOperand accessor"); - return IsDead; + void setIsUndef(bool Val = true) { + assert(isReg() && "Wrong MachineOperand accessor"); + IsUndef = Val; } - void setIsKill() { - assert(isRegister() && !IsDef && "Wrong MachineOperand accessor"); - IsKill = true; + + void setIsEarlyClobber(bool Val = true) { + assert(isReg() && IsDef && "Wrong MachineOperand accessor"); + IsEarlyClobber = Val; } - void setIsDead() { - assert(isRegister() && IsDef && "Wrong MachineOperand accessor"); - IsDead = true; + + //===--------------------------------------------------------------------===// + // Accessors for various operand types. + //===--------------------------------------------------------------------===// + + int64_t getImm() const { + assert(isImm() && "Wrong MachineOperand accessor"); + return Contents.ImmVal; } - void unsetIsKill() { - assert(isRegister() && !IsDef && "Wrong MachineOperand accessor"); - IsKill = false; + + const ConstantFP *getFPImm() const { + assert(isFPImm() && "Wrong MachineOperand accessor"); + return Contents.CFP; } - void unsetIsDead() { - assert(isRegister() && IsDef && "Wrong MachineOperand accessor"); - IsDead = false; + + MachineBasicBlock *getMBB() const { + assert(isMBB() && "Wrong MachineOperand accessor"); + return Contents.MBB; } - /// getReg - Returns the register number. - /// - unsigned getReg() const { - assert(isRegister() && "This is not a register operand!"); - return contents.RegNo; + int getIndex() const { + assert((isFI() || isCPI() || isJTI()) && + "Wrong MachineOperand accessor"); + return Contents.OffsetedInfo.Val.Index; } - - /// MachineOperand mutators. - /// - void setReg(unsigned Reg) { - assert(isRegister() && "This is not a register operand!"); - contents.RegNo = Reg; + + GlobalValue *getGlobal() const { + assert(isGlobal() && "Wrong MachineOperand accessor"); + return Contents.OffsetedInfo.Val.GV; } + BlockAddress *getBlockAddress() const { + assert(isBlockAddress() && "Wrong MachineOperand accessor"); + return Contents.OffsetedInfo.Val.BA; + } + + /// getOffset - Return the offset from the symbol in this operand. This always + /// returns 0 for ExternalSymbol operands. + int64_t getOffset() const { + assert((isGlobal() || isSymbol() || isCPI() || isBlockAddress()) && + "Wrong MachineOperand accessor"); + return Contents.OffsetedInfo.Offset; + } + + const char *getSymbolName() const { + assert(isSymbol() && "Wrong MachineOperand accessor"); + return Contents.OffsetedInfo.Val.SymbolName; + } + + //===--------------------------------------------------------------------===// + // Mutators for various operand types. + //===--------------------------------------------------------------------===// + void setImm(int64_t immVal) { - assert(isImmediate() && "Wrong MachineOperand mutator"); - contents.ImmVal = immVal; + assert(isImm() && "Wrong MachineOperand mutator"); + Contents.ImmVal = immVal; } - void setOffset(int Offset) { - assert((isGlobalAddress() || isExternalSymbol() || isConstantPoolIndex()) && + void setOffset(int64_t Offset) { + assert((isGlobal() || isSymbol() || isCPI() || isBlockAddress()) && "Wrong MachineOperand accessor"); - auxInfo.offset = Offset; - } - void setSubReg(unsigned subReg) { - assert(isRegister() && "Wrong MachineOperand accessor"); - SubReg = (unsigned char)subReg; + Contents.OffsetedInfo.Offset = Offset; } - void setConstantPoolIndex(unsigned Idx) { - assert(isConstantPoolIndex() && "Wrong MachineOperand accessor"); - contents.Index = Idx; + + void setIndex(int Idx) { + assert((isFI() || isCPI() || isJTI()) && + "Wrong MachineOperand accessor"); + Contents.OffsetedInfo.Val.Index = Idx; } - void setJumpTableIndex(unsigned Idx) { - assert(isJumpTableIndex() && "Wrong MachineOperand accessor"); - contents.Index = Idx; + + void setMBB(MachineBasicBlock *MBB) { + assert(isMBB() && "Wrong MachineOperand accessor"); + Contents.MBB = MBB; } + //===--------------------------------------------------------------------===// + // Other methods. + //===--------------------------------------------------------------------===// + /// 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; @@ -249,105 +349,128 @@ public: /// ChangeToImmediate - Replace this operand with a new immediate operand of /// the specified value. If an operand is known to be an immediate already, /// the setImm method should be used. - void ChangeToImmediate(int64_t ImmVal) { - opType = MO_Immediate; - contents.ImmVal = ImmVal; - } - + void ChangeToImmediate(int64_t 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; - SubReg = 0; - } + bool isKill = false, bool isDead = false, + bool isUndef = false); + + //===--------------------------------------------------------------------===// + // Construction methods. + //===--------------------------------------------------------------------===// static MachineOperand CreateImm(int64_t Val) { - MachineOperand Op; - Op.opType = MachineOperand::MO_Immediate; - Op.contents.ImmVal = Val; + MachineOperand Op(MachineOperand::MO_Immediate); + Op.setImm(Val); + return Op; + } + + static MachineOperand CreateFPImm(const ConstantFP *CFP) { + MachineOperand Op(MachineOperand::MO_FPImmediate); + Op.Contents.CFP = CFP; return Op; } + static MachineOperand CreateReg(unsigned Reg, bool isDef, bool isImp = false, bool isKill = false, bool isDead = false, + bool isUndef = false, + bool isEarlyClobber = false, unsigned SubReg = 0) { - MachineOperand Op; - Op.opType = MachineOperand::MO_Register; + MachineOperand Op(MachineOperand::MO_Register); Op.IsDef = isDef; Op.IsImp = isImp; Op.IsKill = isKill; Op.IsDead = isDead; - Op.contents.RegNo = Reg; + Op.IsUndef = isUndef; + Op.IsEarlyClobber = isEarlyClobber; + Op.Contents.Reg.RegNo = Reg; + Op.Contents.Reg.Prev = 0; + Op.Contents.Reg.Next = 0; Op.SubReg = SubReg; return Op; } - static MachineOperand CreateMBB(MachineBasicBlock *MBB) { - MachineOperand Op; - Op.opType = MachineOperand::MO_MachineBasicBlock; - Op.contents.MBB = MBB; + static MachineOperand CreateMBB(MachineBasicBlock *MBB, + unsigned char TargetFlags = 0) { + MachineOperand Op(MachineOperand::MO_MachineBasicBlock); + Op.setMBB(MBB); + Op.setTargetFlags(TargetFlags); return Op; } static MachineOperand CreateFI(unsigned Idx) { - MachineOperand Op; - Op.opType = MachineOperand::MO_FrameIndex; - Op.contents.Index = Idx; + MachineOperand Op(MachineOperand::MO_FrameIndex); + Op.setIndex(Idx); return Op; } - static MachineOperand CreateCPI(unsigned Idx, int Offset) { - MachineOperand Op; - Op.opType = MachineOperand::MO_ConstantPoolIndex; - Op.contents.Index = Idx; - Op.auxInfo.offset = Offset; + static MachineOperand CreateCPI(unsigned Idx, int Offset, + unsigned char TargetFlags = 0) { + MachineOperand Op(MachineOperand::MO_ConstantPoolIndex); + Op.setIndex(Idx); + Op.setOffset(Offset); + Op.setTargetFlags(TargetFlags); return Op; } - static MachineOperand CreateJTI(unsigned Idx) { - MachineOperand Op; - Op.opType = MachineOperand::MO_JumpTableIndex; - Op.contents.Index = Idx; + static MachineOperand CreateJTI(unsigned Idx, + unsigned char TargetFlags = 0) { + MachineOperand Op(MachineOperand::MO_JumpTableIndex); + Op.setIndex(Idx); + Op.setTargetFlags(TargetFlags); return Op; } - static MachineOperand CreateGA(GlobalValue *GV, int Offset) { - MachineOperand Op; - Op.opType = MachineOperand::MO_GlobalAddress; - Op.contents.GV = GV; - Op.auxInfo.offset = Offset; + static MachineOperand CreateGA(GlobalValue *GV, int64_t Offset, + unsigned char TargetFlags = 0) { + MachineOperand Op(MachineOperand::MO_GlobalAddress); + Op.Contents.OffsetedInfo.Val.GV = GV; + Op.setOffset(Offset); + Op.setTargetFlags(TargetFlags); 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; + static MachineOperand CreateES(const char *SymName, + unsigned char TargetFlags = 0) { + MachineOperand Op(MachineOperand::MO_ExternalSymbol); + Op.Contents.OffsetedInfo.Val.SymbolName = SymName; + Op.setOffset(0); // Offset is always 0. + Op.setTargetFlags(TargetFlags); 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; - SubReg = MO.SubReg; - ParentMI = MO.ParentMI; - return *this; + static MachineOperand CreateBA(BlockAddress *BA) { + MachineOperand Op(MachineOperand::MO_BlockAddress); + Op.Contents.OffsetedInfo.Val.BA = BA; + Op.setOffset(0); // Offset is always 0. + return Op; } - friend std::ostream& operator<<(std::ostream& os, const MachineOperand& mop) { - mop.print(os); - return os; + friend class MachineInstr; + friend class MachineRegisterInfo; +private: + //===--------------------------------------------------------------------===// + // Methods for handling register use/def lists. + //===--------------------------------------------------------------------===// + + /// isOnRegUseList - Return true if this operand is on a register use/def list + /// or false if not. This can only be called for register operands that are + /// part of a machine instruction. + bool isOnRegUseList() const { + assert(isReg() && "Can only add reg operand to use lists"); + return Contents.Reg.Prev != 0; } + + /// AddRegOperandToRegInfo - Add this register operand to the specified + /// MachineRegisterInfo. If it is null, then the next/prev fields should be + /// explicitly nulled out. + void AddRegOperandToRegInfo(MachineRegisterInfo *RegInfo); - friend class MachineInstr; + /// RemoveRegOperandFromRegInfo - Remove this register operand from the + /// MachineRegisterInfo it is linked with. + void RemoveRegOperandFromRegInfo(); }; -std::ostream& operator<<(std::ostream &OS, const MachineOperand &MO); +inline raw_ostream &operator<<(raw_ostream &OS, const MachineOperand& MO) { + MO.print(OS, 0); + return OS; +} } // End llvm namespace