llvm::DFAPacketizer Class Reference

#include "llvm/CodeGen/DFAPacketizer.h"

Public Member Functions
	DFAPacketizer (const InstrItineraryData *I, const DFAStateInput(*SIT)[2], const unsigned *SET)
void	clearResources ()
DFAInput	getInsnInput (unsigned InsnClass)
bool	canReserveResources (const MCInstrDesc *MID)
void	reserveResources (const MCInstrDesc *MID)
bool	canReserveResources (MachineInstr &MI)
void	reserveResources (MachineInstr &MI)
const InstrItineraryData *	getInstrItins () const

Static Public Member Functions
static DFAInput	getInsnInput (const std::vector< unsigned > &InsnClass)

Detailed Description

Definition at line 78 of file DFAPacketizer.h.

Constructor & Destructor Documentation

DFAPacketizer()

DFAPacketizer::DFAPacketizer	(	const InstrItineraryData *	I,
		const DFAStateInput(*)	SIT[2],
		const unsigned *	SET
	)

Definition at line 75 of file DFAPacketizer.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::count(), DFA_MAX_RESOURCES, and DFA_MAX_RESTERMS.

Member Function Documentation

canReserveResources() [1/2]

bool DFAPacketizer::canReserveResources

(

const MCInstrDesc *

MID

)

Definition at line 130 of file DFAPacketizer.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::count(), getInsnInput(), and llvm::MCInstrDesc::getSchedClass().

Referenced by canReserveResources(), clearResources(), llvm::HexagonHazardRecognizer::EmitInstruction(), llvm::HexagonHazardRecognizer::getHazardType(), getUnderlyingObjects(), llvm::VLIWResourceModel::isResourceAvailable(), and llvm::VLIWPacketizerList::PacketizeMIs().

canReserveResources() [2/2]

bool DFAPacketizer::canReserveResources

(

MachineInstr &

MI

)

Definition at line 151 of file DFAPacketizer.cpp.

References canReserveResources(), and llvm::MachineInstr::getDesc().

clearResources()

void llvm::DFAPacketizer::clearResources ( )

inline

Definition at line 98 of file DFAPacketizer.h.

References canReserveResources(), getInsnInput(), MI, and reserveResources().

Referenced by llvm::HexagonHazardRecognizer::AdvanceCycle(), llvm::VLIWPacketizerList::endPacket(), llvm::VLIWResourceModel::reserveResources(), llvm::HexagonHazardRecognizer::Reset(), llvm::VLIWResourceModel::reset(), llvm::VLIWResourceModel::resetDFA(), and llvm::VLIWResourceModel::VLIWResourceModel().

getInsnInput() [1/2]

DFAInput DFAPacketizer::getInsnInput

(

unsigned

InsnClass

)

Definition at line 110 of file DFAPacketizer.cpp.

References addDFAFuncUnits(), assert(), llvm::InstrItineraryData::beginStage(), DFA_MAX_RESTERMS, llvm::InstrItineraryData::endStage(), and llvm::ARM_PROC::IE.

Referenced by canReserveResources(), clearResources(), and reserveResources().

getInsnInput() [2/2]

DFAInput DFAPacketizer::getInsnInput ( const std::vector< unsigned > &  InsnClass )

static

Definition at line 124 of file DFAPacketizer.cpp.

References getDFAInsnInput().

getInstrItins()

const InstrItineraryData* llvm::DFAPacketizer::getInstrItins ( ) const

inline

Definition at line 124 of file DFAPacketizer.h.

reserveResources() [1/2]

void DFAPacketizer::reserveResources

(

const MCInstrDesc *

MID

)

Definition at line 140 of file DFAPacketizer.cpp.

References assert(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::count(), getInsnInput(), and llvm::MCInstrDesc::getSchedClass().

Referenced by llvm::VLIWPacketizerList::addToPacket(), clearResources(), llvm::HexagonHazardRecognizer::EmitInstruction(), getUnderlyingObjects(), llvm::VLIWResourceModel::reserveResources(), and reserveResources().

reserveResources() [2/2]

void DFAPacketizer::reserveResources

(

MachineInstr &

MI

)

Definition at line 158 of file DFAPacketizer.cpp.

References llvm::MachineInstr::getDesc(), and reserveResources().

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The documentation for this class was generated from the following files:

• include/llvm/CodeGen/DFAPacketizer.h
• lib/CodeGen/DFAPacketizer.cpp