llvm::ResourceManager Class Reference

#include "llvm/CodeGen/MachinePipeliner.h"

Public Member Functions
	ResourceManager (const TargetSubtargetInfo *ST, ScheduleDAGInstrs *DAG)
void	initProcResourceVectors (const MCSchedModel &SM, SmallVectorImpl< uint64_t > &Masks)
bool	canReserveResources (SUnit &SU, int Cycle)
	Check if the resources occupied by a machine instruction are available in the current state.
void	reserveResources (SUnit &SU, int Cycle)
	Reserve the resources occupied by a machine instruction and change the current state to reflect that change.
int	calculateResMII () const
void	init (int II)
	Initialize resources with the initiation interval II.

Detailed Description

Definition at line 485 of file MachinePipeliner.h.

Constructor & Destructor Documentation

ResourceManager()

llvm::ResourceManager::ResourceManager ( const TargetSubtargetInfo *  ST, ScheduleDAGInstrs *  DAG  )

inline

Definition at line 535 of file MachinePipeliner.h.

References initProcResourceVectors(), llvm::SwpForceIssueWidth, and TII.

Member Function Documentation

calculateResMII()

int ResourceManager::calculateResMII

(

)

const

Definition at line 3668 of file MachinePipeliner.cpp.

References llvm::dbgs(), llvm::ScheduleDAGInstrs::dumpNode(), llvm::SUnit::getInstr(), llvm::MCSchedModel::getNumProcResourceKinds(), llvm::MachineInstr::getOpcode(), llvm::MCSchedModel::getProcResource(), llvm::ScheduleDAGInstrs::getSchedClass(), llvm::MCSubtargetInfo::getWriteProcResBegin(), llvm::MCSubtargetInfo::getWriteProcResEnd(), I, llvm::MCSchedClassDesc::isValid(), llvm::TargetInstrInfo::isZeroCost(), LLVM_DEBUG, llvm::make_range(), llvm::MCSchedClassDesc::NumMicroOps, llvm::ScheduleDAG::SUnits, and SwpDebugResource.

canReserveResources()

bool ResourceManager::canReserveResources	(	SUnit &	SU,
		int	Cycle
	)

Check if the resources occupied by a machine instruction are available in the current state.

Definition at line 3513 of file MachinePipeliner.cpp.

References llvm::dbgs(), llvm::MachineInstr::getDesc(), llvm::SUnit::getInstr(), llvm::ScheduleDAGInstrs::getSchedClass(), llvm::MachineInstr::isPseudo(), llvm::MCSchedClassDesc::isValid(), LLVM_DEBUG, and SwpDebugResource.

Referenced by llvm::SMSchedule::insert().

init()

void ResourceManager::init

(

int

II

)

Initialize resources with the initiation interval II.

Definition at line 3743 of file MachinePipeliner.cpp.

References llvm::SmallVectorImpl< T >::clear(), llvm::MCSchedModel::getNumProcResourceKinds(), I, II, and llvm::SmallVectorImpl< T >::resize().

Referenced by llvm::SMSchedule::setInitiationInterval().

initProcResourceVectors()

void ResourceManager::initProcResourceVectors	(	const MCSchedModel &	SM,
		SmallVectorImpl< uint64_t > &	Masks
	)

Definition at line 3471 of file MachinePipeliner.cpp.

References assert(), llvm::dbgs(), llvm::format(), llvm::MCSchedModel::getNumProcResourceKinds(), llvm::MCSchedModel::getProcResource(), I, LLVM_DEBUG, llvm::MCProcResourceDesc::Name, llvm::MCProcResourceDesc::NumUnits, llvm::SmallVectorImpl< T >::resize(), and SwpShowResMask.

Referenced by ResourceManager().

reserveResources()

void ResourceManager::reserveResources	(	SUnit &	SU,
		int	Cycle
	)

Reserve the resources occupied by a machine instruction and change the current state to reflect that change.

Definition at line 3539 of file MachinePipeliner.cpp.

References llvm::dbgs(), llvm::MachineInstr::getDesc(), llvm::SUnit::getInstr(), llvm::ScheduleDAGInstrs::getSchedClass(), llvm::MachineInstr::isPseudo(), llvm::MCSchedClassDesc::isValid(), LLVM_DEBUG, and SwpDebugResource.

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

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