LLVM 22.0.0git
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
llvm::GCNSchedStage Class Reference

#include "Target/AMDGPU/GCNSchedStrategy.h"

Inheritance diagram for llvm::GCNSchedStage:
[legend]

Public Member Functions

virtual bool initGCNSchedStage ()
virtual void finalizeGCNSchedStage ()
virtual bool initGCNRegion ()
void setupNewBlock ()
void finalizeGCNRegion ()
void checkScheduling ()
ScheduleMetrics getScheduleMetrics (const std::vector< SUnit > &InputSchedule)
ScheduleMetrics getScheduleMetrics (const GCNScheduleDAGMILive &DAG)
unsigned computeSUnitReadyCycle (const SUnit &SU, unsigned CurrCycle, DenseMap< unsigned, unsigned > &ReadyCycles, const TargetSchedModel &SM)
virtual bool shouldRevertScheduling (unsigned WavesAfter)
bool isRegionWithExcessRP () const
unsigned getRegionIdx ()
bool mayCauseSpilling (unsigned WavesAfter)
void revertScheduling ()
void advanceRegion ()
virtual ~GCNSchedStage ()=default

Protected Member Functions

 GCNSchedStage (GCNSchedStageID StageID, GCNScheduleDAGMILive &DAG)

Protected Attributes

GCNScheduleDAGMILive & DAG
GCNSchedStrategy & S
MachineFunction & MF
SIMachineFunctionInfo & MFI
const GCNSubtarget & ST
const GCNSchedStageID StageID
MachineBasicBlock * CurrentMBB = nullptr
unsigned RegionIdx = 0
std::vector< MachineInstr * > Unsched
GCNRegPressure PressureBefore
GCNRegPressure PressureAfter
std::vector< std::unique_ptr< ScheduleDAGMutation > > SavedMutations

Detailed Description

Definition at line 325 of file GCNSchedStrategy.h.

Constructor & Destructor Documentation

◆ GCNSchedStage()

GCNSchedStage::GCNSchedStage ( GCNSchedStageID StageID,
GCNScheduleDAGMILive & DAG )
protected

Definition at line 1204 of file GCNSchedStrategy.cpp.

References DAG, MF, MFI, S, ST, and StageID.

Referenced by llvm::ClusteredLowOccStage::ClusteredLowOccStage(), llvm::ILPInitialScheduleStage::ILPInitialScheduleStage(), llvm::MemoryClauseInitialScheduleStage::MemoryClauseInitialScheduleStage(), llvm::OccInitialScheduleStage::OccInitialScheduleStage(), llvm::PreRARematStage::PreRARematStage(), and llvm::UnclusteredHighRPStage::UnclusteredHighRPStage().

◆ ~GCNSchedStage()

virtual llvm::GCNSchedStage::~GCNSchedStage ( )
virtualdefault

Member Function Documentation

◆ advanceRegion()

void llvm::GCNSchedStage::advanceRegion ( )
inline

Definition at line 403 of file GCNSchedStrategy.h.

References RegionIdx.

Referenced by finalizeGCNRegion().

◆ checkScheduling()

void GCNSchedStage::checkScheduling ( )

Definition at line 1455 of file GCNSchedStrategy.cpp.

References DAG, llvm::dbgs(), LLVM_DEBUG, MF, MFI, PressureAfter, PressureBefore, llvm::print(), RegionIdx, revertScheduling(), S, shouldRevertScheduling(), and ST.

Referenced by finalizeGCNRegion().

◆ computeSUnitReadyCycle()

unsigned GCNSchedStage::computeSUnitReadyCycle ( const SUnit & SU,
unsigned CurrCycle,
DenseMap< unsigned, unsigned > & ReadyCycles,
const TargetSchedModel & SM )

Definition at line 1528 of file GCNSchedStrategy.cpp.

References D(), DAG, DefMI, llvm::Latency, llvm::SUnit::NodeNum, and llvm::SUnit::Preds.

Referenced by getScheduleMetrics(), and getScheduleMetrics().

◆ finalizeGCNRegion()

void GCNSchedStage::finalizeGCNRegion ( )

Definition at line 1438 of file GCNSchedStrategy.cpp.

References advanceRegion(), checkScheduling(), DAG, RegionIdx, S, SavedMutations, StageID, and llvm::UnclusteredHighRPReschedule.

◆ finalizeGCNSchedStage()

void GCNSchedStage::finalizeGCNSchedStage ( )
virtual

Reimplemented in llvm::UnclusteredHighRPStage.

Definition at line 1314 of file GCNSchedStrategy.cpp.

References DAG, llvm::dbgs(), LLVM_DEBUG, and StageID.

Referenced by llvm::UnclusteredHighRPStage::finalizeGCNSchedStage().

◆ getRegionIdx()

unsigned llvm::GCNSchedStage::getRegionIdx ( )
inline

Definition at line 395 of file GCNSchedStrategy.h.

References RegionIdx.

◆ getScheduleMetrics() [1/2]

ScheduleMetrics GCNSchedStage::getScheduleMetrics ( const GCNScheduleDAGMILive & DAG)

Definition at line 1606 of file GCNSchedStrategy.cpp.

References computeSUnitReadyCycle(), DAG, llvm::dbgs(), llvm::SUnit::getInstr(), LLVM_DEBUG, MI, printScheduleModel(), llvm::ScheduleMetrics::ScaleFactor, and ST.

◆ getScheduleMetrics() [2/2]

ScheduleMetrics GCNSchedStage::getScheduleMetrics ( const std::vector< SUnit > & InputSchedule)

Definition at line 1573 of file GCNSchedStrategy.cpp.

References computeSUnitReadyCycle(), llvm::dbgs(), LLVM_DEBUG, printScheduleModel(), llvm::ScheduleMetrics::ScaleFactor, and ST.

Referenced by llvm::UnclusteredHighRPStage::shouldRevertScheduling().

◆ initGCNRegion()

bool GCNSchedStage::initGCNRegion ( )
virtual

Reimplemented in llvm::ClusteredLowOccStage, llvm::PreRARematStage, and llvm::UnclusteredHighRPStage.

Definition at line 1331 of file GCNSchedStrategy.cpp.

References llvm::createIGroupLPDAGMutation(), CurrentMBB, DAG, llvm::dbgs(), llvm::getRegPressure(), I, if(), llvm::ILPInitialSchedule, llvm::AMDGPU::Initial, llvm::SIInstrInfo::isIGLPMutationOnly(), isRegionWithExcessRP(), LLVM_DEBUG, MF, llvm::OccInitialSchedule, llvm::AMDGPU::PreRAReentry, PressureBefore, llvm::print(), llvm::printMBBReference(), RegionIdx, S, SavedMutations, setupNewBlock(), StageID, llvm::UnclusteredHighRPReschedule, and Unsched.

Referenced by llvm::ClusteredLowOccStage::initGCNRegion(), llvm::PreRARematStage::initGCNRegion(), and llvm::UnclusteredHighRPStage::initGCNRegion().

◆ initGCNSchedStage()

bool GCNSchedStage::initGCNSchedStage ( )
virtual

Reimplemented in llvm::ClusteredLowOccStage, llvm::PreRARematStage, and llvm::UnclusteredHighRPStage.

Definition at line 1208 of file GCNSchedStrategy.cpp.

References DAG, llvm::dbgs(), LLVM_DEBUG, and StageID.

Referenced by llvm::ClusteredLowOccStage::initGCNSchedStage(), llvm::PreRARematStage::initGCNSchedStage(), and llvm::UnclusteredHighRPStage::initGCNSchedStage().

◆ isRegionWithExcessRP()

bool llvm::GCNSchedStage::isRegionWithExcessRP ( ) const
inline

Definition at line 390 of file GCNSchedStrategy.h.

References DAG, and RegionIdx.

Referenced by initGCNRegion(), mayCauseSpilling(), and llvm::UnclusteredHighRPStage::shouldRevertScheduling().

◆ mayCauseSpilling()

bool GCNSchedStage::mayCauseSpilling ( unsigned WavesAfter)

Definition at line 1742 of file GCNSchedStrategy.cpp.

References llvm::dbgs(), isRegionWithExcessRP(), LLVM_DEBUG, MF, MFI, PressureAfter, and PressureBefore.

Referenced by llvm::ClusteredLowOccStage::shouldRevertScheduling(), llvm::ILPInitialScheduleStage::shouldRevertScheduling(), llvm::MemoryClauseInitialScheduleStage::shouldRevertScheduling(), llvm::OccInitialScheduleStage::shouldRevertScheduling(), llvm::PreRARematStage::shouldRevertScheduling(), and llvm::UnclusteredHighRPStage::shouldRevertScheduling().

◆ revertScheduling()

void GCNSchedStage::revertScheduling ( )

Definition at line 1752 of file GCNSchedStrategy.cpp.

References llvm::RegisterOperands::adjustLaneLiveness(), llvm::RegisterOperands::collect(), DAG, llvm::dbgs(), llvm::RegisterOperands::detectDeadDefs(), LLVM_DEBUG, MI, RegionIdx, and Unsched.

Referenced by checkScheduling().

◆ setupNewBlock()

void GCNSchedStage::setupNewBlock ( )

Definition at line 1424 of file GCNSchedStrategy.cpp.

References CurrentMBB, DAG, llvm::ILPInitialSchedule, llvm::MemoryClauseInitialSchedule, llvm::OccInitialSchedule, RegionIdx, and StageID.

Referenced by initGCNRegion().

◆ shouldRevertScheduling()

bool GCNSchedStage::shouldRevertScheduling ( unsigned WavesAfter)
virtual

Reimplemented in llvm::ClusteredLowOccStage, llvm::ILPInitialScheduleStage, llvm::MemoryClauseInitialScheduleStage, llvm::OccInitialScheduleStage, llvm::PreRARematStage, and llvm::UnclusteredHighRPStage.

Definition at line 1641 of file GCNSchedStrategy.cpp.

References DAG, llvm::AMDGPU::IsaInfo::getAllocatedNumVGPRBlocks(), PressureAfter, PressureBefore, and ST.

Referenced by checkScheduling(), llvm::ClusteredLowOccStage::shouldRevertScheduling(), llvm::OccInitialScheduleStage::shouldRevertScheduling(), llvm::PreRARematStage::shouldRevertScheduling(), and llvm::UnclusteredHighRPStage::shouldRevertScheduling().

Member Data Documentation

◆ CurrentMBB

MachineBasicBlock* llvm::GCNSchedStage::CurrentMBB = nullptr
protected

Definition at line 340 of file GCNSchedStrategy.h.

Referenced by initGCNRegion(), and setupNewBlock().

◆ DAG

GCNScheduleDAGMILive& llvm::GCNSchedStage::DAG
protected

Definition at line 327 of file GCNSchedStrategy.h.

Referenced by checkScheduling(), llvm::ClusteredLowOccStage::ClusteredLowOccStage(), computeSUnitReadyCycle(), finalizeGCNRegion(), finalizeGCNSchedStage(), llvm::UnclusteredHighRPStage::finalizeGCNSchedStage(), GCNSchedStage(), getScheduleMetrics(), llvm::ILPInitialScheduleStage::ILPInitialScheduleStage(), llvm::ClusteredLowOccStage::initGCNRegion(), initGCNRegion(), llvm::UnclusteredHighRPStage::initGCNRegion(), llvm::ClusteredLowOccStage::initGCNSchedStage(), initGCNSchedStage(), llvm::PreRARematStage::initGCNSchedStage(), llvm::UnclusteredHighRPStage::initGCNSchedStage(), isRegionWithExcessRP(), llvm::MemoryClauseInitialScheduleStage::MemoryClauseInitialScheduleStage(), llvm::OccInitialScheduleStage::OccInitialScheduleStage(), llvm::PreRARematStage::PreRARematStage(), revertScheduling(), setupNewBlock(), shouldRevertScheduling(), llvm::UnclusteredHighRPStage::shouldRevertScheduling(), and llvm::UnclusteredHighRPStage::UnclusteredHighRPStage().

◆ MF

MachineFunction& llvm::GCNSchedStage::MF
protected

Definition at line 331 of file GCNSchedStrategy.h.

Referenced by checkScheduling(), GCNSchedStage(), initGCNRegion(), llvm::PreRARematStage::initGCNSchedStage(), llvm::UnclusteredHighRPStage::initGCNSchedStage(), and mayCauseSpilling().

◆ MFI

SIMachineFunctionInfo& llvm::GCNSchedStage::MFI
protected

Definition at line 333 of file GCNSchedStrategy.h.

Referenced by checkScheduling(), GCNSchedStage(), llvm::PreRARematStage::initGCNSchedStage(), llvm::UnclusteredHighRPStage::initGCNSchedStage(), and mayCauseSpilling().

◆ PressureAfter

GCNRegPressure llvm::GCNSchedStage::PressureAfter
protected

Definition at line 352 of file GCNSchedStrategy.h.

Referenced by checkScheduling(), mayCauseSpilling(), llvm::ClusteredLowOccStage::shouldRevertScheduling(), shouldRevertScheduling(), and llvm::OccInitialScheduleStage::shouldRevertScheduling().

◆ PressureBefore

GCNRegPressure llvm::GCNSchedStage::PressureBefore
protected

Definition at line 349 of file GCNSchedStrategy.h.

Referenced by checkScheduling(), initGCNRegion(), mayCauseSpilling(), llvm::ClusteredLowOccStage::shouldRevertScheduling(), shouldRevertScheduling(), llvm::OccInitialScheduleStage::shouldRevertScheduling(), and llvm::UnclusteredHighRPStage::shouldRevertScheduling().

◆ RegionIdx

unsigned llvm::GCNSchedStage::RegionIdx = 0
protected

Definition at line 343 of file GCNSchedStrategy.h.

Referenced by advanceRegion(), checkScheduling(), finalizeGCNRegion(), getRegionIdx(), llvm::ClusteredLowOccStage::initGCNRegion(), initGCNRegion(), llvm::PreRARematStage::initGCNRegion(), llvm::UnclusteredHighRPStage::initGCNRegion(), isRegionWithExcessRP(), revertScheduling(), and setupNewBlock().

◆ S

GCNSchedStrategy& llvm::GCNSchedStage::S
protected

Definition at line 329 of file GCNSchedStrategy.h.

Referenced by checkScheduling(), finalizeGCNRegion(), llvm::UnclusteredHighRPStage::finalizeGCNSchedStage(), GCNSchedStage(), initGCNRegion(), llvm::PreRARematStage::initGCNSchedStage(), llvm::UnclusteredHighRPStage::initGCNSchedStage(), and llvm::UnclusteredHighRPStage::shouldRevertScheduling().

◆ SavedMutations

std::vector<std::unique_ptr<ScheduleDAGMutation> > llvm::GCNSchedStage::SavedMutations
protected

Definition at line 354 of file GCNSchedStrategy.h.

Referenced by finalizeGCNRegion(), llvm::UnclusteredHighRPStage::finalizeGCNSchedStage(), initGCNRegion(), and llvm::UnclusteredHighRPStage::initGCNSchedStage().

◆ ST

const GCNSubtarget& llvm::GCNSchedStage::ST
protected

Definition at line 335 of file GCNSchedStrategy.h.

Referenced by checkScheduling(), GCNSchedStage(), getScheduleMetrics(), getScheduleMetrics(), llvm::UnclusteredHighRPStage::initGCNRegion(), shouldRevertScheduling(), and llvm::UnclusteredHighRPStage::shouldRevertScheduling().

◆ StageID

const GCNSchedStageID llvm::GCNSchedStage::StageID
protected

Definition at line 337 of file GCNSchedStrategy.h.

Referenced by llvm::ClusteredLowOccStage::ClusteredLowOccStage(), finalizeGCNRegion(), finalizeGCNSchedStage(), llvm::UnclusteredHighRPStage::finalizeGCNSchedStage(), GCNSchedStage(), llvm::ILPInitialScheduleStage::ILPInitialScheduleStage(), initGCNRegion(), initGCNSchedStage(), llvm::MemoryClauseInitialScheduleStage::MemoryClauseInitialScheduleStage(), llvm::OccInitialScheduleStage::OccInitialScheduleStage(), llvm::PreRARematStage::PreRARematStage(), setupNewBlock(), and llvm::UnclusteredHighRPStage::UnclusteredHighRPStage().

◆ Unsched

std::vector<MachineInstr *> llvm::GCNSchedStage::Unsched
protected

Definition at line 346 of file GCNSchedStrategy.h.

Referenced by initGCNRegion(), and revertScheduling().

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