llvm::HexagonPacketizerList Class Reference

#include "Target/Hexagon/HexagonVLIWPacketizer.h"

Inheritance diagram for llvm::HexagonPacketizerList:

Collaboration diagram for llvm::HexagonPacketizerList:

Public Member Functions
	HexagonPacketizerList (MachineFunction &MF, MachineLoopInfo &MLI, AliasAnalysis *AA, const MachineBranchProbabilityInfo *MBPI, bool Minimal)
void	initPacketizerState () override
bool	ignorePseudoInstruction (const MachineInstr &MI, const MachineBasicBlock *MBB) override
bool	isSoloInstruction (const MachineInstr &MI) override
bool	isLegalToPacketizeTogether (SUnit *SUI, SUnit *SUJ) override
bool	isLegalToPruneDependencies (SUnit *SUI, SUnit *SUJ) override
bool	foundLSInPacket ()
MachineBasicBlock::iterator	addToPacket (MachineInstr &MI) override
void	endPacket (MachineBasicBlock *MBB, MachineBasicBlock::iterator MI) override
bool	shouldAddToPacket (const MachineInstr &MI) override
void	unpacketizeSoloInstrs (MachineFunction &MF)
Public Member Functions inherited from llvm::VLIWPacketizerList
	VLIWPacketizerList (MachineFunction &MF, MachineLoopInfo &MLI, AliasAnalysis *AA)
virtual	~VLIWPacketizerList ()
void	PacketizeMIs (MachineBasicBlock *MBB, MachineBasicBlock::iterator BeginItr, MachineBasicBlock::iterator EndItr)
DFAPacketizer *	getResourceTracker ()
void	addMutation (std::unique_ptr< ScheduleDAGMutation > Mutation)
bool	alias (const MachineInstr &MI1, const MachineInstr &MI2, bool UseTBAA=true) const

Protected Member Functions
bool	getmemShufDisabled ()
void	setmemShufDisabled (bool val)
bool	isCallDependent (const MachineInstr &MI, SDep::Kind DepType, unsigned DepReg)
bool	promoteToDotCur (MachineInstr &MI, SDep::Kind DepType, MachineBasicBlock::iterator &MII, const TargetRegisterClass *RC)
bool	canPromoteToDotCur (const MachineInstr &MI, const SUnit *PacketSU, unsigned DepReg, MachineBasicBlock::iterator &MII, const TargetRegisterClass *RC)
void	cleanUpDotCur ()
bool	promoteToDotNew (MachineInstr &MI, SDep::Kind DepType, MachineBasicBlock::iterator &MII, const TargetRegisterClass *RC)
bool	canPromoteToDotNew (const MachineInstr &MI, const SUnit *PacketSU, unsigned DepReg, MachineBasicBlock::iterator &MII, const TargetRegisterClass *RC)
bool	canPromoteToNewValue (const MachineInstr &MI, const SUnit *PacketSU, unsigned DepReg, MachineBasicBlock::iterator &MII)
bool	canPromoteToNewValueStore (const MachineInstr &MI, const MachineInstr &PacketMI, unsigned DepReg)
bool	demoteToDotOld (MachineInstr &MI)
bool	useCallersSP (MachineInstr &MI)
void	useCalleesSP (MachineInstr &MI)
bool	updateOffset (SUnit *SUI, SUnit *SUJ)
	Return true if we can update the offset in MI so that MI and MJ can be packetized together. More...
void	undoChangedOffset (MachineInstr &MI)
	Undo the changed offset. More...
bool	arePredicatesComplements (MachineInstr &MI1, MachineInstr &MI2)
bool	restrictingDepExistInPacket (MachineInstr &, unsigned)
bool	isNewifiable (const MachineInstr &MI, const TargetRegisterClass *NewRC)
bool	isCurifiable (MachineInstr &MI)
bool	cannotCoexist (const MachineInstr &MI, const MachineInstr &MJ)
bool	isPromotedToDotNew () const
bool	tryAllocateResourcesForConstExt (bool Reserve)
bool	canReserveResourcesForConstExt ()
void	reserveResourcesForConstExt ()
bool	hasDeadDependence (const MachineInstr &I, const MachineInstr &J)
bool	hasControlDependence (const MachineInstr &I, const MachineInstr &J)
bool	hasRegMaskDependence (const MachineInstr &I, const MachineInstr &J)
bool	hasDualStoreDependence (const MachineInstr &I, const MachineInstr &J)
bool	producesStall (const MachineInstr &MI)

Protected Attributes
const MachineBranchProbabilityInfo *	MBPI
	A handle to the branch probability pass. More...
const MachineLoopInfo *	MLI
Protected Attributes inherited from llvm::VLIWPacketizerList
MachineFunction &	MF
const TargetInstrInfo *	TII
AliasAnalysis *	AA
DefaultVLIWScheduler *	VLIWScheduler
std::vector< MachineInstr * >	CurrentPacketMIs
DFAPacketizer *	ResourceTracker
std::map< MachineInstr *, SUnit * >	MIToSUnit

Detailed Description

Definition at line 28 of file HexagonVLIWPacketizer.h.

Constructor & Destructor Documentation

HexagonPacketizerList()

hexagon Hexagon false HexagonPacketizerList::HexagonPacketizerList	(	MachineFunction &	MF,
		MachineLoopInfo &	MLI,
		AliasAnalysis *	AA,
		const MachineBranchProbabilityInfo *	MBPI,
		bool	Minimal
	)

Definition at line 132 of file HexagonVLIWPacketizer.cpp.

Member Function Documentation

addToPacket()

MachineBasicBlock::iterator HexagonPacketizerList::addToPacket ( MachineInstr &  MI )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1688 of file HexagonVLIWPacketizer.cpp.

References assert(), llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::MachineInstr::getParent(), and llvm::MachineInstr::isImplicitDef().

arePredicatesComplements()

bool HexagonPacketizerList::arePredicatesComplements ( MachineInstr &  MI1, MachineInstr &  MI2  )

protected

Definition at line 958 of file HexagonVLIWPacketizer.cpp.

References llvm::SDep::Data, getPredicatedRegister(), getPredicateSense(), I, llvm::SUnit::isSucc(), PK_Unknown, and llvm::SUnit::Succs.

Referenced by setmemShufDisabled().

cannotCoexist()

bool HexagonPacketizerList::cannotCoexist ( const MachineInstr &  MI, const MachineInstr &  MJ  )

protected

Definition at line 1143 of file HexagonVLIWPacketizer.cpp.

References cannotCoexistAsymm().

Referenced by setmemShufDisabled().

canPromoteToDotCur()

bool HexagonPacketizerList::canPromoteToDotCur ( const MachineInstr &  MI, const SUnit *  PacketSU, unsigned  DepReg, MachineBasicBlock::iterator &  MII, const TargetRegisterClass *  RC  )

protected

Definition at line 399 of file HexagonVLIWPacketizer.cpp.

References llvm::dbgs(), llvm::MachineInstr::dump(), llvm::SUnit::getInstr(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineFunction::getSubtarget(), llvm::MachineInstr::isInlineAsm(), and LLVM_DEBUG.

Referenced by setmemShufDisabled().

canPromoteToDotNew()

bool HexagonPacketizerList::canPromoteToDotNew ( const MachineInstr &  MI, const SUnit *  PacketSU, unsigned  DepReg, MachineBasicBlock::iterator &  MII, const TargetRegisterClass *  RC  )

protected

Definition at line 842 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineFunction::CreateMachineInstr(), D, llvm::MachineFunction::DeleteMachineInstr(), DisableVecDblNVStores, llvm::MachineInstr::getDesc(), llvm::SUnit::getInstr(), llvm::MachineInstr::isImplicitDef(), isImplicitDependency(), and llvm::MachineInstr::isInlineAsm().

Referenced by setmemShufDisabled().

canPromoteToNewValue()

bool HexagonPacketizerList::canPromoteToNewValue ( const MachineInstr &  MI, const SUnit *  PacketSU, unsigned  DepReg, MachineBasicBlock::iterator &  MII  )

protected

Definition at line 812 of file HexagonVLIWPacketizer.cpp.

References llvm::SUnit::getInstr().

Referenced by setmemShufDisabled().

canPromoteToNewValueStore()

bool HexagonPacketizerList::canPromoteToNewValueStore ( const MachineInstr &  MI, const MachineInstr &  PacketMI, unsigned  DepReg  )

protected

Definition at line 643 of file HexagonVLIWPacketizer.cpp.

References assert(), getAbsSetOperand(), llvm::MachineInstr::getDesc(), llvm::SUnit::getInstr(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), getPostIncrementOperand(), getPredicateSense(), llvm::MachineOperand::getReg(), getStoreValueOperand(), I, isLoadAbsSet(), llvm::MachineOperand::isReg(), llvm::MachineInstr::mayLoad(), llvm::MachineInstr::mayStore(), llvm::MachineInstr::modifiesRegister(), and llvm::MachineInstr::operands().

Referenced by setmemShufDisabled().

canReserveResourcesForConstExt()

bool HexagonPacketizerList::canReserveResourcesForConstExt ( )

protected

Definition at line 280 of file HexagonVLIWPacketizer.cpp.

Referenced by isPromotedToDotNew().

cleanUpDotCur()

void HexagonPacketizerList::cleanUpDotCur ( )

protected

Definition at line 377 of file HexagonVLIWPacketizer.cpp.

References llvm::dbgs(), llvm::MachineInstr::dump(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), LLVM_DEBUG, MI, and llvm::MachineInstr::setDesc().

Referenced by setmemShufDisabled().

demoteToDotOld()

bool HexagonPacketizerList::demoteToDotOld ( MachineInstr &  MI )

protected

Definition at line 463 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineInstr::setDesc().

Referenced by setmemShufDisabled().

endPacket()

void HexagonPacketizerList::endPacket ( MachineBasicBlock *  MBB, MachineBasicBlock::iterator  MI  )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1764 of file HexagonVLIWPacketizer.cpp.

References llvm::dbgs(), llvm::finalizeBundle(), llvm::MachineInstrBundleIterator< Ty, IsReverse >::getInstrIterator(), I, LLVM_DEBUG, llvm::make_range(), and MI.

foundLSInPacket()

bool HexagonPacketizerList::foundLSInPacket

(

)

Definition at line 1668 of file HexagonVLIWPacketizer.cpp.

getmemShufDisabled()

bool llvm::HexagonPacketizerList::getmemShufDisabled ( )

inlineprotected

Definition at line 105 of file HexagonVLIWPacketizer.h.

hasControlDependence()

bool HexagonPacketizerList::hasControlDependence ( const MachineInstr &  I, const MachineInstr &  J  )

protected

Definition at line 1219 of file HexagonVLIWPacketizer.cpp.

References doesModifyCalleeSavedReg(), llvm::MachineInstr::isBarrier(), llvm::MachineInstr::isBranch(), llvm::MachineInstr::isCall(), isControlFlow(), and MI.

Referenced by isPromotedToDotNew().

hasDeadDependence()

bool HexagonPacketizerList::hasDeadDependence ( const MachineInstr &  I, const MachineInstr &  J  )

protected

Definition at line 1192 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineInstr::isCall(), and llvm::MachineInstr::operands().

Referenced by isPromotedToDotNew().

hasDualStoreDependence()

bool HexagonPacketizerList::hasDualStoreDependence ( const MachineInstr &  I, const MachineInstr &  J  )

protected

Definition at line 1285 of file HexagonVLIWPacketizer.cpp.

References isSystemInstr(), and llvm::MachineInstr::mayStore().

Referenced by isPromotedToDotNew().

hasRegMaskDependence()

bool HexagonPacketizerList::hasRegMaskDependence ( const MachineInstr &  I, const MachineInstr &  J  )

protected

Definition at line 1255 of file HexagonVLIWPacketizer.cpp.

References assert(), llvm::MachineInstr::isCall(), and llvm::MachineInstr::operands().

Referenced by isPromotedToDotNew().

ignorePseudoInstruction()

bool HexagonPacketizerList::ignorePseudoInstruction ( const MachineInstr &  MI, const MachineBasicBlock *  MBB  )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1035 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineInstr::getDesc(), llvm::MCInstrDesc::getSchedClass(), llvm::MachineInstr::isCFIInstruction(), llvm::MachineInstr::isDebugInstr(), llvm::MachineInstr::isImplicitDef(), and llvm::MachineInstr::isInlineAsm().

initPacketizerState()

void HexagonPacketizerList::initPacketizerState ( )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1025 of file HexagonVLIWPacketizer.cpp.

References INT64_MAX.

isCallDependent()

bool HexagonPacketizerList::isCallDependent ( const MachineInstr &  MI, SDep::Kind  DepType, unsigned  DepReg  )

protected

Definition at line 295 of file HexagonVLIWPacketizer.cpp.

References llvm::SDep::Data, and llvm::MachineInstr::operands().

Referenced by setmemShufDisabled().

isCurifiable()

bool llvm::HexagonPacketizerList::isCurifiable ( MachineInstr &  MI )

protected

Referenced by setmemShufDisabled().

isLegalToPacketizeTogether()

bool HexagonPacketizerList::isLegalToPacketizeTogether ( SUnit *  SUI, SUnit *  SUJ  )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1310 of file HexagonVLIWPacketizer.cpp.

References llvm::SDep::Anti, assert(), llvm::SDep::Data, llvm::find(), llvm::SUnit::getInstr(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getSubtarget(), llvm::MachineInstr::hasOrderedMemoryRef(), llvm::HexagonSubtarget::hasV65Ops(), I, llvm::MachineInstr::isBranch(), llvm::MachineInstr::isCall(), isDirectJump(), llvm::MachineOperand::isReg(), isRegDependence(), llvm::SUnit::isSucc(), llvm::MachineInstr::mayLoad(), llvm::MachineInstr::mayStore(), llvm::MachineInstr::modifiesRegister(), llvm::SDep::Order, llvm::SDep::Output, PacketizeVolatiles, llvm::MachineInstr::readsRegister(), Slot1Store, and llvm::SUnit::Succs.

isLegalToPruneDependencies()

bool HexagonPacketizerList::isLegalToPruneDependencies ( SUnit *  SUI, SUnit *  SUJ  )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1621 of file HexagonVLIWPacketizer.cpp.

References assert(), llvm::SUnit::getInstr(), I, and INT64_MAX.

isNewifiable()

bool HexagonPacketizerList::isNewifiable ( const MachineInstr &  MI, const TargetRegisterClass *  NewRC  )

protected

Definition at line 352 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineInstr::mayStore().

Referenced by setmemShufDisabled().

isPromotedToDotNew()

bool llvm::HexagonPacketizerList::isPromotedToDotNew ( ) const

inlineprotected

Definition at line 142 of file HexagonVLIWPacketizer.h.

References canReserveResourcesForConstExt(), hasControlDependence(), hasDeadDependence(), hasDualStoreDependence(), hasRegMaskDependence(), I, producesStall(), reserveResourcesForConstExt(), and tryAllocateResourcesForConstExt().

isSoloInstruction()

bool HexagonPacketizerList::isSoloInstruction ( const MachineInstr &  MI )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1058 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineInstr::getOpcode(), llvm::MachineInstr::isBundle(), llvm::MachineInstr::isCFIInstruction(), llvm::MachineInstr::isEHLabel(), llvm::MachineInstr::isInlineAsm(), isSchedBarrier(), and ScheduleInlineAsm.

producesStall()

bool HexagonPacketizerList::producesStall ( const MachineInstr &  MI )

protected

Definition at line 1805 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineInstr::getParent(), I, and llvm::SUnit::Preds.

Referenced by isPromotedToDotNew().

promoteToDotCur()

bool HexagonPacketizerList::promoteToDotCur ( MachineInstr &  MI, SDep::Kind  DepType, MachineBasicBlock::iterator &  MII, const TargetRegisterClass *  RC  )

protected

Definition at line 368 of file HexagonVLIWPacketizer.cpp.

References assert(), llvm::SDep::Data, and llvm::MachineInstr::setDesc().

Referenced by setmemShufDisabled().

promoteToDotNew()

bool HexagonPacketizerList::promoteToDotNew ( MachineInstr &  MI, SDep::Kind  DepType, MachineBasicBlock::iterator &  MII, const TargetRegisterClass *  RC  )

protected

Definition at line 450 of file HexagonVLIWPacketizer.cpp.

References assert(), llvm::SDep::Data, and llvm::MachineInstr::setDesc().

Referenced by setmemShufDisabled().

reserveResourcesForConstExt()

void HexagonPacketizerList::reserveResourcesForConstExt ( )

protected

Definition at line 275 of file HexagonVLIWPacketizer.cpp.

References llvm_unreachable.

Referenced by isPromotedToDotNew().

restrictingDepExistInPacket()

bool HexagonPacketizerList::restrictingDepExistInPacket ( MachineInstr &  MI, unsigned  DepReg  )

protected

Definition at line 911 of file HexagonVLIWPacketizer.cpp.

References llvm::SDep::Anti, I, llvm::SUnit::isSucc(), and llvm::SUnit::Succs.

Referenced by setmemShufDisabled().

setmemShufDisabled()

void llvm::HexagonPacketizerList::setmemShufDisabled ( bool  val )

inlineprotected

Definition at line 108 of file HexagonVLIWPacketizer.h.

References arePredicatesComplements(), cannotCoexist(), canPromoteToDotCur(), canPromoteToDotNew(), canPromoteToNewValue(), canPromoteToNewValueStore(), cleanUpDotCur(), demoteToDotOld(), isCallDependent(), isCurifiable(), isNewifiable(), MI, promoteToDotCur(), promoteToDotNew(), restrictingDepExistInPacket(), undoChangedOffset(), updateOffset(), useCalleesSP(), and useCallersSP().

shouldAddToPacket()

bool HexagonPacketizerList::shouldAddToPacket ( const MachineInstr &  MI )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1798 of file HexagonVLIWPacketizer.cpp.

tryAllocateResourcesForConstExt()

bool HexagonPacketizerList::tryAllocateResourcesForConstExt ( bool  Reserve )

protected

Definition at line 286 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineFunction::CreateMachineInstr(), and llvm::MachineFunction::DeleteMachineInstr().

Referenced by isPromotedToDotNew().

undoChangedOffset()

void HexagonPacketizerList::undoChangedOffset ( MachineInstr &  MI )

protected

Undo the changed offset.

This is needed if the instruction cannot be added to the current packet due to a different instruction.

Definition at line 544 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineInstr::getOperand(), llvm_unreachable, OP, and llvm::MachineOperand::setImm().

Referenced by setmemShufDisabled().

unpacketizeSoloInstrs()

void HexagonPacketizerList::unpacketizeSoloInstrs

(

MachineFunction &

MF

)

Definition at line 1148 of file HexagonVLIWPacketizer.cpp.

References B, E, hasWriteToReadDep(), I, llvm::MachineInstr::isBundle(), llvm::MachineInstr::isDebugValue(), llvm::MachineInstr::isInlineAsm(), llvm::MachineInstr::isInsideBundle(), MI, and moveInstrOut().

updateOffset()

bool HexagonPacketizerList::updateOffset ( SUnit *  SUI, SUnit *  SUJ  )

protected

Return true if we can update the offset in MI so that MI and MJ can be packetized together.

Definition at line 508 of file HexagonVLIWPacketizer.cpp.

References llvm::SDep::Anti, assert(), llvm::SDep::Data, llvm::SUnit::getInstr(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), MI, llvm::SUnit::Preds, and Reg.

Referenced by setmemShufDisabled().

useCalleesSP()

void HexagonPacketizerList::useCalleesSP ( MachineInstr &  MI )

protected

Definition at line 490 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineFunction::getFrameInfo(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineFrameInfo::getStackSize(), HEXAGON_LRFP_SIZE, llvm_unreachable, and llvm::MachineOperand::setImm().

Referenced by setmemShufDisabled().

useCallersSP()

bool HexagonPacketizerList::useCallersSP ( MachineInstr &  MI )

protected

Definition at line 469 of file HexagonVLIWPacketizer.cpp.

References llvm::MachineFunction::getFrameInfo(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineFrameInfo::getStackSize(), HEXAGON_LRFP_SIZE, llvm_unreachable, and llvm::MachineOperand::setImm().

Referenced by setmemShufDisabled().

Member Data Documentation

MBPI

const MachineBranchProbabilityInfo* llvm::HexagonPacketizerList::MBPI

protected

A handle to the branch probability pass.

Definition at line 63 of file HexagonVLIWPacketizer.h.

MLI

const MachineLoopInfo* llvm::HexagonPacketizerList::MLI

protected

Definition at line 64 of file HexagonVLIWPacketizer.h.

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

• lib/Target/Hexagon/HexagonVLIWPacketizer.h
• lib/Target/Hexagon/HexagonVLIWPacketizer.cpp