llvm::ResourceManager Class Reference

#include "llvm/CodeGen/MachinePipeliner.h"

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

Detailed Description

Definition at line 644 of file MachinePipeliner.h.

Constructor & Destructor Documentation

ResourceManager()

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

inline

Definition at line 694 of file MachinePipeliner.h.

References initProcResourceVectors(), and llvm::SwpForceIssueWidth.

Member Function Documentation

calculateResMII()

int ResourceManager::calculateResMII

(

)

const

Definition at line 4099 of file MachinePipeliner.cpp.

References llvm::dbgs(), llvm::SUnit::getInstr(), llvm::MachineInstr::getOpcode(), I, llvm::MCSchedClassDesc::isValid(), LLVM_DEBUG, llvm::make_range(), llvm::MCSchedClassDesc::NumMicroOps, 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 3944 of file MachinePipeliner.cpp.

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

init()

void ResourceManager::init

(

int

II

)

Initialize resources with the initiation interval II.

Definition at line 4174 of file MachinePipeliner.cpp.

References I, and II.

initProcResourceVectors()

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

Definition at line 3902 of file MachinePipeliner.cpp.

References assert(), llvm::dbgs(), llvm::format(), 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 3970 of file MachinePipeliner.cpp.

References llvm::dbgs(), llvm::MachineInstr::getDesc(), llvm::SUnit::getInstr(), 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
• lib/MCA/HardwareUnits/ResourceManager.cpp