llvm::R600SchedStrategy Class Reference

#include "Target/AMDGPU/R600MachineScheduler.h"

Inheritance diagram for llvm::R600SchedStrategy:

Collaboration diagram for llvm::R600SchedStrategy:

Public Member Functions
	R600SchedStrategy ()=default
	~R600SchedStrategy () override=default
void	initialize (ScheduleDAGMI *dag) override
	Initialize the strategy after building the DAG for a new region. More...
SUnit *	pickNode (bool &IsTopNode) override
	Pick the next node to schedule, or return NULL. More...
void	schedNode (SUnit *SU, bool IsTopNode) override
	Notify MachineSchedStrategy that ScheduleDAGMI has scheduled an instruction and updated scheduled/remaining flags in the DAG nodes. More...
void	releaseTopNode (SUnit *SU) override
	When all predecessor dependencies have been resolved, free this node for top-down scheduling. More...
void	releaseBottomNode (SUnit *SU) override
	When all successor dependencies have been resolved, free this node for bottom-up scheduling. More...
Public Member Functions inherited from llvm::MachineSchedStrategy
virtual	~MachineSchedStrategy ()=default
virtual void	initPolicy (MachineBasicBlock::iterator Begin, MachineBasicBlock::iterator End, unsigned NumRegionInstrs)
	Optionally override the per-region scheduling policy. More...
virtual void	dumpPolicy () const
virtual bool	shouldTrackPressure () const
	Check if pressure tracking is needed before building the DAG and initializing this strategy. More...
virtual bool	shouldTrackLaneMasks () const
	Returns true if lanemasks should be tracked. More...
virtual bool	doMBBSchedRegionsTopDown () const
virtual void	enterMBB (MachineBasicBlock *MBB)
	Tell the strategy that MBB is about to be processed. More...
virtual void	leaveMBB ()
	Tell the strategy that current MBB is done. More...
virtual void	registerRoots ()
	Notify this strategy that all roots have been released (including those that depend on EntrySU or ExitSU). More...
virtual void	scheduleTree (unsigned SubtreeID)
	Scheduler callback to notify that a new subtree is scheduled. More...

Detailed Description

Definition at line 28 of file R600MachineScheduler.h.

Constructor & Destructor Documentation

R600SchedStrategy()

llvm::R600SchedStrategy::R600SchedStrategy ( )

default

~R600SchedStrategy()

llvm::R600SchedStrategy::~R600SchedStrategy ( )

overridedefault

Member Function Documentation

initialize()

void R600SchedStrategy::initialize ( ScheduleDAGMI *  DAG )

overridevirtual

Initialize the strategy after building the DAG for a new region.

Implements llvm::MachineSchedStrategy.

Definition at line 28 of file R600MachineScheduler.cpp.

References assert(), llvm::R600Subtarget::getTexVTXClauseSize(), llvm::R600Subtarget::hasCaymanISA(), llvm::ScheduleDAGMI::hasVRegLiveness(), and llvm::ARM_MB::ST.

pickNode()

SUnit * R600SchedStrategy::pickNode ( bool &  IsTopNode )

overridevirtual

Pick the next node to schedule, or return NULL.

Set IsTopNode to true to schedule the node at the top of the unscheduled region. Otherwise it will be scheduled at the bottom.

Implements llvm::MachineSchedStrategy.

Definition at line 58 of file R600MachineScheduler.cpp.

References llvm::dbgs(), llvm::ScheduleDAGInstrs::dumpNode(), llvm::empty(), getWFCountLimitedByGPR(), llvm::SUnit::isScheduled, LLVM_DEBUG, llvm::size(), and llvm::ScheduleDAG::SUnits.

releaseBottomNode()

void R600SchedStrategy::releaseBottomNode ( SUnit *  SU )

overridevirtual

When all successor dependencies have been resolved, free this node for bottom-up scheduling.

Implements llvm::MachineSchedStrategy.

Definition at line 194 of file R600MachineScheduler.cpp.

References assert(), llvm::MachineRegisterInfo::constrainRegClass(), llvm::TargetRegisterClass::contains(), llvm::dbgs(), llvm::ScheduleDAGInstrs::dumpNode(), E, llvm::empty(), llvm::R600InstrInfo::fitsConstReadLimitations(), llvm::SUnit::getInstr(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::R600InstrInfo::getOperandIdx(), llvm::MachineOperand::getReg(), llvm::MachineRegisterInfo::getRegClass(), llvm::MachineOperand::getSubReg(), llvm::R600InstrInfo::isALUInstr(), llvm::R600InstrInfo::isCubeOp(), llvm::MachineOperand::isDef(), llvm::R600InstrInfo::isLDSInstr(), isPhysicalRegCopy(), llvm::R600InstrInfo::isReductionOp(), llvm::MachineOperand::isReg(), llvm::R600InstrInfo::isTransOnly(), llvm::MachineOperand::isUndef(), llvm::R600InstrInfo::isVector(), llvm::R600InstrInfo::isVectorOnly(), llvm::TargetRegisterInfo::isVirtualRegister(), LLVM_DEBUG, MI, llvm::MachineInstr::operands_begin(), llvm::MachineInstr::operands_end(), llvm::R600InstrInfo::readsLDSSrcReg(), Reg, llvm::R600InstrInfo::usesTextureCache(), and llvm::R600InstrInfo::usesVertexCache().

releaseTopNode()

void R600SchedStrategy::releaseTopNode ( SUnit *  SU )

overridevirtual

When all predecessor dependencies have been resolved, free this node for top-down scheduling.

Implements llvm::MachineSchedStrategy.

Definition at line 190 of file R600MachineScheduler.cpp.

References llvm::dbgs(), llvm::ScheduleDAGInstrs::dumpNode(), and LLVM_DEBUG.

schedNode()

void R600SchedStrategy::schedNode ( SUnit *  SU, bool  IsTopNode  )

overridevirtual

Notify MachineSchedStrategy that ScheduleDAGMI has scheduled an instruction and updated scheduled/remaining flags in the DAG nodes.

Implements llvm::MachineSchedStrategy.

Definition at line 143 of file R600MachineScheduler.cpp.

References llvm::dbgs(), E, llvm::SUnit::getInstr(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isReg(), LLVM_DEBUG, llvm::MachineInstr::operands_begin(), and llvm::MachineInstr::operands_end().

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

• lib/Target/AMDGPU/R600MachineScheduler.h
• lib/Target/AMDGPU/R600MachineScheduler.cpp