llvm::GCNDownwardRPTracker Class Reference

#include "Target/AMDGPU/GCNRegPressure.h"

Inheritance diagram for llvm::GCNDownwardRPTracker:

Public Member Functions
	GCNDownwardRPTracker (const LiveIntervals &LIS_)
MachineBasicBlock::const_iterator	getNext () const
GCNRegPressure	moveMaxPressure ()
bool	reset (const MachineInstr &MI, const LiveRegSet *LiveRegs=nullptr)
bool	advanceBeforeNext ()
void	advanceToNext ()
bool	advance ()
bool	advance (MachineBasicBlock::const_iterator End)
bool	advance (MachineBasicBlock::const_iterator Begin, MachineBasicBlock::const_iterator End, const LiveRegSet *LiveRegsCopy=nullptr)
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 182 of file GCNRegPressure.h.

Constructor & Destructor Documentation

GCNDownwardRPTracker()

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

inline

Definition at line 189 of file GCNRegPressure.h.

Member Function Documentation

advance() [1/3]

bool GCNDownwardRPTracker::advance

(

)

Definition at line 411 of file GCNRegPressure.cpp.

References advanceBeforeNext(), and advanceToNext().

Referenced by advance().

advance() [2/3]

bool GCNDownwardRPTracker::advance	(	MachineBasicBlock::const_iterator	Begin,
		MachineBasicBlock::const_iterator	End,
		const LiveRegSet *	LiveRegsCopy = nullptr
	)

Definition at line 425 of file GCNRegPressure.cpp.

References advance(), End, and reset().

advance() [3/3]

bool GCNDownwardRPTracker::advance

(

MachineBasicBlock::const_iterator

End

)

Definition at line 419 of file GCNRegPressure.cpp.

References advance(), and End.

advanceBeforeNext()

bool GCNDownwardRPTracker::advanceBeforeNext

(

)

Definition at line 339 of file GCNRegPressure.cpp.

References assert(), 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::SlotIndex::getBaseIndex(), llvm::SlotIndex::getDeadSlot(), llvm::LiveIntervals::getInstructionIndex(), llvm::LiveIntervals::getInterval(), llvm::LaneBitmask::getNone(), llvm::LiveInterval::hasSubRanges(), llvm::GCNRegPressure::inc(), llvm::SmallSet< T, N, C >::insert(), llvm::GCNRPTracker::LastTrackedMI, llvm::GCNRPTracker::LIS, llvm::LiveRange::liveAt(), llvm::GCNRPTracker::LiveRegs, llvm_unreachable, llvm::max(), llvm::GCNRPTracker::MaxPressure, llvm::GCNRPTracker::MRI, llvm::MachineInstr::operands(), and llvm::LiveInterval::subranges().

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

advanceToNext()

void GCNDownwardRPTracker::advanceToNext

(

)

Definition at line 393 of file GCNRegPressure.cpp.

References llvm::MachineInstr::all_defs(), llvm::GCNRPTracker::CurPressure, getDefRegMask(), llvm::GCNRegPressure::inc(), llvm::GCNRPTracker::LastTrackedMI, llvm::GCNRPTracker::LiveRegs, llvm::max(), llvm::GCNRPTracker::MaxPressure, llvm::GCNRPTracker::MRI, and llvm::skipDebugInstructionsForward().

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

getNext()

MachineBasicBlock::const_iterator llvm::GCNDownwardRPTracker::getNext ( ) const

inline

Definition at line 191 of file GCNRegPressure.h.

moveMaxPressure()

GCNRegPressure llvm::GCNDownwardRPTracker::moveMaxPressure ( )

inline

Definition at line 194 of file GCNRegPressure.h.

References llvm::GCNRegPressure::clear(), and llvm::GCNRPTracker::MaxPressure.

reset()

bool GCNDownwardRPTracker::reset	(	const MachineInstr &	MI,
		const LiveRegSet *	LiveRegs = nullptr
	)

Definition at line 326 of file GCNRegPressure.cpp.

References llvm::GCNRPTracker::LastTrackedMI, MI, llvm::GCNRPTracker::MRI, llvm::GCNRPTracker::reset(), and llvm::skipDebugInstructionsForward().

Referenced by advance(), 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