#define LLVM_CODEGEN_MACHINEOPERAND_H
#include "llvm/Support/DataTypes.h"
-#include <vector>
#include <cassert>
#include <iosfwd>
class MachineInstr;
class TargetMachine;
class MachineRegisterInfo;
+class raw_ostream;
/// MachineOperand class - Representation of each machine instruction operand.
///
/// This is only valid on definitions of registers.
bool IsDead : 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;
+
/// SubReg - Subregister number, only valid for MO_Register. A value of 0
/// indicates the MO_Register has no subReg.
unsigned char SubReg;
/// Contents union - This contains the payload for the various operand types.
union {
MachineBasicBlock *MBB; // For MO_MachineBasicBlock.
- ConstantFP *CFP; // For MO_FPImmediate.
+ const ConstantFP *CFP; // For MO_FPImmediate.
int64_t ImmVal; // For MO_Immediate.
struct { // For MO_Register.
const char *SymbolName; // For MO_ExternalSymbol.
GlobalValue *GV; // For MO_GlobalAddress.
} Val;
- int Offset; // An offset from the object.
+ int64_t Offset; // An offset from the object.
} OffsetedInfo;
} Contents;
const MachineInstr *getParent() const { return ParentMI; }
void print(std::ostream &os, const TargetMachine *TM = 0) const;
+ void print(raw_ostream &os, const TargetMachine *TM = 0) const;
- /// Accessors that tell you what kind of MachineOperand you're looking at.
- ///
- bool isRegister() const { return OpKind == MO_Register; }
- bool isImmediate() const { return OpKind == MO_Immediate; }
- bool isFPImmediate() const { return OpKind == MO_FPImmediate; }
- bool isMachineBasicBlock() const { return OpKind == MO_MachineBasicBlock; }
- bool isFrameIndex() const { return OpKind == MO_FrameIndex; }
- bool isConstantPoolIndex() const { return OpKind == MO_ConstantPoolIndex; }
- bool isJumpTableIndex() const { return OpKind == MO_JumpTableIndex; }
- bool isGlobalAddress() const { return OpKind == MO_GlobalAddress; }
- bool isExternalSymbol() const { return OpKind == MO_ExternalSymbol; }
+ //===--------------------------------------------------------------------===//
+ // 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; }
-
+
//===--------------------------------------------------------------------===//
// Accessors for Register Operands
//===--------------------------------------------------------------------===//
/// getReg - Returns the register number.
unsigned getReg() const {
- assert(isRegister() && "This is not a register operand!");
+ assert(isReg() && "This is not a register operand!");
return Contents.Reg.RegNo;
}
unsigned getSubReg() const {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
return (unsigned)SubReg;
}
bool isUse() const {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
return !IsDef;
}
bool isDef() const {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
return IsDef;
}
bool isImplicit() const {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
return IsImp;
}
bool isDead() const {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
return IsDead;
}
bool isKill() const {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
return IsKill;
}
+ bool isEarlyClobber() const {
+ assert(isReg() && "Wrong MachineOperand accessor");
+ return IsEarlyClobber;
+ }
+
/// getNextOperandForReg - Return the next MachineOperand in the function that
/// uses or defines this register.
MachineOperand *getNextOperandForReg() const {
- assert(isRegister() && "This is not a register operand!");
+ assert(isReg() && "This is not a register operand!");
return Contents.Reg.Next;
}
void setReg(unsigned Reg);
void setSubReg(unsigned subReg) {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
SubReg = (unsigned char)subReg;
}
void setIsUse(bool Val = true) {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
IsDef = !Val;
}
void setIsDef(bool Val = true) {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
IsDef = Val;
}
void setImplicit(bool Val = true) {
- assert(isRegister() && "Wrong MachineOperand accessor");
+ assert(isReg() && "Wrong MachineOperand accessor");
IsImp = Val;
}
void setIsKill(bool Val = true) {
- assert(isRegister() && !IsDef && "Wrong MachineOperand accessor");
+ assert(isReg() && !IsDef && "Wrong MachineOperand accessor");
IsKill = Val;
}
void setIsDead(bool Val = true) {
- assert(isRegister() && IsDef && "Wrong MachineOperand accessor");
+ assert(isReg() && IsDef && "Wrong MachineOperand accessor");
IsDead = Val;
}
+ void setIsEarlyClobber(bool Val = true) {
+ assert(isReg() && IsDef && "Wrong MachineOperand accessor");
+ IsEarlyClobber = Val;
+ }
//===--------------------------------------------------------------------===//
// Accessors for various operand types.
//===--------------------------------------------------------------------===//
int64_t getImm() const {
- assert(isImmediate() && "Wrong MachineOperand accessor");
+ assert(isImm() && "Wrong MachineOperand accessor");
return Contents.ImmVal;
}
- ConstantFP *getFPImm() const {
- assert(isFPImmediate() && "Wrong MachineOperand accessor");
+ const ConstantFP *getFPImm() const {
+ assert(isFPImm() && "Wrong MachineOperand accessor");
return Contents.CFP;
}
MachineBasicBlock *getMBB() const {
- assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
+ assert(isMBB() && "Wrong MachineOperand accessor");
return Contents.MBB;
}
int getIndex() const {
- assert((isFrameIndex() || isConstantPoolIndex() || isJumpTableIndex()) &&
+ assert((isFI() || isCPI() || isJTI()) &&
"Wrong MachineOperand accessor");
return Contents.OffsetedInfo.Val.Index;
}
GlobalValue *getGlobal() const {
- assert(isGlobalAddress() && "Wrong MachineOperand accessor");
+ assert(isGlobal() && "Wrong MachineOperand accessor");
return Contents.OffsetedInfo.Val.GV;
}
- int getOffset() const {
- assert((isGlobalAddress() || isExternalSymbol() || isConstantPoolIndex()) &&
+ int64_t getOffset() const {
+ assert((isGlobal() || isSymbol() || isCPI()) &&
"Wrong MachineOperand accessor");
return Contents.OffsetedInfo.Offset;
}
const char *getSymbolName() const {
- assert(isExternalSymbol() && "Wrong MachineOperand accessor");
+ assert(isSymbol() && "Wrong MachineOperand accessor");
return Contents.OffsetedInfo.Val.SymbolName;
}
//===--------------------------------------------------------------------===//
void setImm(int64_t immVal) {
- assert(isImmediate() && "Wrong MachineOperand mutator");
+ 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()) &&
"Wrong MachineOperand accessor");
Contents.OffsetedInfo.Offset = Offset;
}
void setIndex(int Idx) {
- assert((isFrameIndex() || isConstantPoolIndex() || isJumpTableIndex()) &&
+ assert((isFI() || isCPI() || isJTI()) &&
"Wrong MachineOperand accessor");
Contents.OffsetedInfo.Val.Index = Idx;
}
void setMBB(MachineBasicBlock *MBB) {
- assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
+ assert(isMBB() && "Wrong MachineOperand accessor");
Contents.MBB = MBB;
}
return Op;
}
- static MachineOperand CreateFPImm(ConstantFP *CFP) {
+ 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,
- unsigned SubReg = 0) {
+ unsigned SubReg = 0,
+ bool isEarlyClobber = false) {
MachineOperand Op(MachineOperand::MO_Register);
Op.IsDef = isDef;
Op.IsImp = isImp;
Op.IsKill = isKill;
Op.IsDead = isDead;
+ Op.IsEarlyClobber = isEarlyClobber;
Op.Contents.Reg.RegNo = Reg;
Op.Contents.Reg.Prev = 0;
Op.Contents.Reg.Next = 0;
Op.setIndex(Idx);
return Op;
}
- static MachineOperand CreateGA(GlobalValue *GV, int Offset) {
+ static MachineOperand CreateGA(GlobalValue *GV, int64_t Offset) {
MachineOperand Op(MachineOperand::MO_GlobalAddress);
Op.Contents.OffsetedInfo.Val.GV = GV;
Op.setOffset(Offset);
return Op;
}
- static MachineOperand CreateES(const char *SymName, int Offset = 0) {
+ static MachineOperand CreateES(const char *SymName, int64_t Offset = 0) {
MachineOperand Op(MachineOperand::MO_ExternalSymbol);
Op.Contents.OffsetedInfo.Val.SymbolName = SymName;
Op.setOffset(Offset);
IsImp = MO.IsImp;
IsKill = MO.IsKill;
IsDead = MO.IsDead;
+ IsEarlyClobber = MO.IsEarlyClobber;
SubReg = MO.SubReg;
ParentMI = MO.ParentMI;
Contents = MO.Contents;
void AddRegOperandToRegInfo(MachineRegisterInfo *RegInfo);
void RemoveRegOperandFromRegInfo() {
- assert(isOnRegUseList() && "Can only add reg operand to use lists");
+ assert(isOnRegUseList() && "Reg operand is not on a use list");
// Unlink this from the doubly linked list of operands.
MachineOperand *NextOp = Contents.Reg.Next;
*Contents.Reg.Prev = NextOp;
return OS;
}
+inline raw_ostream &operator<<(raw_ostream &OS, const MachineOperand& MO) {
+ MO.print(OS, 0);
+ return OS;
+}
+
} // End llvm namespace
#endif