llvm::GCNUpwardRPTracker Class Reference

#include "Target/AMDGPU/GCNRegPressure.h"

Inheritance diagram for llvm::GCNUpwardRPTracker:

Public Member Functions
	GCNUpwardRPTracker (const LiveIntervals &LIS_)
void	reset (const MachineRegisterInfo &MRI_, const LiveRegSet &LiveRegs_)
void	reset (const MachineRegisterInfo &MRI, SlotIndex SI)
void	reset (const MachineBasicBlock &MBB)
void	reset (const MachineInstr &MI)
void	recede (const MachineInstr &MI)
bool	isValid () const
const GCNRegPressure &	getMaxPressure () const
void	resetMaxPressure ()
GCNRegPressure	getMaxPressureAndReset ()
Public Member Functions inherited from llvm::GCNRPTracker
const decltype(LiveRegs) &	getLiveRegs () const
const MachineInstr *	getLastTrackedMI () const
void	clearMaxPressure ()
GCNRegPressure	getPressure () const
decltype(LiveRegs)	moveLiveRegs ()

Additional Inherited Members
Public Types inherited from llvm::GCNRPTracker
using	LiveRegSet = DenseMap< unsigned, LaneBitmask >
Protected Member Functions inherited from llvm::GCNRPTracker
	GCNRPTracker (const LiveIntervals &LIS_)
void	reset (const MachineInstr &MI, const LiveRegSet *LiveRegsCopy, bool After)
Protected Attributes inherited from llvm::GCNRPTracker
const LiveIntervals &	LIS
LiveRegSet	LiveRegs
GCNRegPressure	CurPressure
GCNRegPressure	MaxPressure
const MachineInstr *	LastTrackedMI = nullptr
const MachineRegisterInfo *	MRI = nullptr

Detailed Description

Definition at line 141 of file GCNRegPressure.h.

Constructor & Destructor Documentation

GCNUpwardRPTracker()

llvm::GCNUpwardRPTracker::GCNUpwardRPTracker ( const LiveIntervals &  LIS_ )

inline

Definition at line 143 of file GCNRegPressure.h.

Member Function Documentation

getMaxPressure()

const GCNRegPressure & llvm::GCNUpwardRPTracker::getMaxPressure ( ) const

inline

Definition at line 171 of file GCNRegPressure.h.

References llvm::GCNRPTracker::MaxPressure.

Referenced by llvm::GCNRegPressurePrinter::runOnMachineFunction().

getMaxPressureAndReset()

GCNRegPressure llvm::GCNUpwardRPTracker::getMaxPressureAndReset ( )

inline

Definition at line 175 of file GCNRegPressure.h.

References llvm::GCNRPTracker::MaxPressure, and resetMaxPressure().

Referenced by llvm::GCNIterativeScheduler::getRegionPressure().

isValid()

bool GCNUpwardRPTracker::isValid

(

)

const

Definition at line 457 of file GCNRegPressure.cpp.

References llvm::GCNRPTracker::CurPressure, llvm::dbgs(), llvm::SlotIndex::getBaseIndex(), llvm::LiveIntervals::getInstructionIndex(), llvm::getLiveRegs(), llvm::getRegPressure(), llvm::MachineRegisterInfo::getTargetRegisterInfo(), llvm::isEqual(), llvm::GCNRPTracker::LIS, llvm::GCNRPTracker::LiveRegs, llvm::GCNRPTracker::MRI, llvm::print(), and llvm::reportMismatch().

Referenced by llvm::GCNIterativeScheduler::getRegionPressure().

recede()

void GCNUpwardRPTracker::recede

(

const MachineInstr &

MI

)

Definition at line 269 of file GCNRegPressure.cpp.

References assert(), collectVirtualRegUses(), llvm::GCNRPTracker::CurPressure, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::erase(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), llvm::getRegPressure(), I, llvm::GCNRegPressure::inc(), llvm::GCNRPTracker::LastTrackedMI, llvm::GCNRPTracker::LIS, llvm::GCNRPTracker::LiveRegs, llvm::max(), llvm::GCNRPTracker::MaxPressure, MI, llvm::GCNRPTracker::MRI, llvm::LaneBitmask::none(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

Referenced by llvm::GCNIterativeScheduler::getRegionPressure(), and llvm::GCNRegPressurePrinter::runOnMachineFunction().

reset() [1/4]

void llvm::GCNUpwardRPTracker::reset ( const MachineBasicBlock &  MBB )

inline

Definition at line 154 of file GCNRegPressure.h.

References llvm::SlotIndexes::getMBBEndIdx(), llvm::LiveIntervals::getSlotIndexes(), llvm::GCNRPTracker::LIS, MBB, and reset().

reset() [2/4]

void llvm::GCNUpwardRPTracker::reset ( const MachineInstr &  MI )

inline

Definition at line 160 of file GCNRegPressure.h.

References llvm::SlotIndex::getDeadSlot(), llvm::LiveIntervals::getInstructionIndex(), llvm::GCNRPTracker::LIS, MI, and reset().

reset() [3/4]

void llvm::GCNUpwardRPTracker::reset ( const MachineRegisterInfo &  MRI, SlotIndex  SI  )

inline

Definition at line 149 of file GCNRegPressure.h.

References llvm::getLiveRegs(), llvm::GCNRPTracker::LIS, llvm::GCNRPTracker::MRI, and reset().

reset() [4/4]

void GCNUpwardRPTracker::reset	(	const MachineRegisterInfo &	MRI_,
		const LiveRegSet &	LiveRegs_
	)

Definition at line 261 of file GCNRegPressure.cpp.

References llvm::GCNRPTracker::CurPressure, llvm::getRegPressure(), llvm::GCNRPTracker::LastTrackedMI, llvm::GCNRPTracker::LiveRegs, llvm::GCNRPTracker::MaxPressure, and llvm::GCNRPTracker::MRI.

Referenced by llvm::GCNIterativeScheduler::getRegionPressure(), reset(), and llvm::GCNRegPressurePrinter::runOnMachineFunction().

resetMaxPressure()

void llvm::GCNUpwardRPTracker::resetMaxPressure ( )

inline

Definition at line 173 of file GCNRegPressure.h.

References llvm::GCNRPTracker::CurPressure, and llvm::GCNRPTracker::MaxPressure.

Referenced by getMaxPressureAndReset(), and llvm::GCNRegPressurePrinter::runOnMachineFunction().

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

• lib/Target/AMDGPU/GCNRegPressure.h
• lib/Target/AMDGPU/GCNRegPressure.cpp