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//===- HexagonMCInst.h - Hexagon sub-class of MCInst ----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class extends MCInst to allow some VLIW annotations.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCINST_H
#define LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCINST_H
#include "llvm/MC/MCInst.h"
namespace llvm {
class MCInstrDesc;
class MCOperand;
class HexagonTargetMachine;
class HexagonMCInst : public MCInst {
public:
explicit HexagonMCInst(unsigned op);
/// 10.6 Instruction Packets
bool isPacketBegin() const;
/// \brief Is this marked as last in packet.
bool isPacketEnd() const;
void setPacketBegin(bool Y);
/// \brief Mark this as last in packet.
void setPacketEnd(bool Y);
/// \brief Return the slots used.
unsigned getUnits(HexagonTargetMachine const &TM) const;
bool isConstExtended() const;
/// \brief Return constant extended operand number.
unsigned short getCExtOpNum(void) const;
/// \brief Return whether this is a new-value consumer.
bool isNewValue() const;
/// \brief Return whether this is a legal new-value producer.
bool hasNewValue() const;
/// \brief Return the operand that consumes or produces a new value.
MCOperand const &getNewValue() const;
/// \brief Return number of bits in the constant extended operand.
unsigned getBitCount(void) const;
private:
/// \brief Return whether this must be always extended.
bool isExtended() const;
/// \brief Return true if this may be extended based on the operand value.
bool isExtendable() const;
/// \brief Return if the operand can be constant extended.
bool isOperandExtended(unsigned short const OperandNum) const;
/// \brief Return the min value that a constant extendable operand can have
/// without being extended.
int getMinValue() const;
/// \brief Return the max value that a constant extendable operand can have
/// without being extended.
int getMaxValue() const;
bool packetBegin;
bool packetEnd;
MCInstrDesc const &MCID;
};
}
#endif
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