llvm::HexagonPacketizerList Class Reference

#include "Target/Hexagon/HexagonVLIWPacketizer.h"

Inheritance diagram for llvm::HexagonPacketizerList:

Public Member Functions
	HexagonPacketizerList (MachineFunction &MF, MachineLoopInfo &MLI, AAResults *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, AAResults *AA)
VLIWPacketizerList &	operator= (const VLIWPacketizerList &other)=delete
	VLIWPacketizerList (const VLIWPacketizerList &other)=delete
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.
void	undoChangedOffset (MachineInstr &MI)
	Undo the changed offset.
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)
unsigned int	calcStall (const MachineInstr &MI)

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

Detailed Description

Definition at line 27 of file HexagonVLIWPacketizer.h.

Constructor & Destructor Documentation

HexagonPacketizerList()

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

Definition at line 126 of file HexagonVLIWPacketizer.cpp.

References llvm::VLIWPacketizerList::AA, llvm::VLIWPacketizerList::addMutation(), const, llvm::HexagonSubtarget::getInstrInfo(), llvm::HexagonSubtarget::getRegisterInfo(), HexagonPacketizerList(), MBPI, llvm::VLIWPacketizerList::MF, MLI, and llvm::VLIWPacketizerList::VLIWPacketizerList().

Referenced by HexagonPacketizerList().

Member Function Documentation

addToPacket()

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

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1701 of file HexagonVLIWPacketizer.cpp.

References assert(), calcStall(), canReserveResourcesForConstExt(), llvm::VLIWPacketizerList::CurrentPacketMIs, demoteToDotOld(), endPacket(), MBB, MI, producesStall(), reserveResourcesForConstExt(), llvm::VLIWPacketizerList::ResourceTracker, tryAllocateResourcesForConstExt(), and useCalleesSP().

arePredicatesComplements()

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

protected

Definition at line 958 of file HexagonVLIWPacketizer.cpp.

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

Referenced by isLegalToPacketizeTogether().

calcStall()

unsigned int HexagonPacketizerList::calcStall ( const MachineInstr & MI )

protected

Definition at line 1870 of file HexagonVLIWPacketizer.cpp.

References llvm::VLIWPacketizerList::CurrentPacketMIs, I, llvm::VLIWPacketizerList::MIToSUnit, MLI, and llvm::SUnit::Preds.

Referenced by addToPacket(), and producesStall().

cannotCoexist()

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

protected

Definition at line 1152 of file HexagonVLIWPacketizer.cpp.

References cannotCoexistAsymm(), and MI.

Referenced by isLegalToPacketizeTogether(), and isLegalToPruneDependencies().

canPromoteToDotCur()

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

protected

Definition at line 398 of file HexagonVLIWPacketizer.cpp.

References llvm::VLIWPacketizerList::CurrentPacketMIs, llvm::dbgs(), llvm::SUnit::getInstr(), llvm::MachineInstr::isInlineAsm(), LLVM_DEBUG, llvm::VLIWPacketizerList::MF, and MI.

Referenced by isLegalToPacketizeTogether().

canPromoteToDotNew()

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

protected

Definition at line 841 of file HexagonVLIWPacketizer.cpp.

References canPromoteToNewValue(), D(), llvm::dwarf_linker::DebugLoc, DisableVecDblNVStores, llvm::MachineInstr::getDesc(), llvm::SUnit::getInstr(), llvm::MachineInstr::isImplicitDef(), isImplicitDependency(), llvm::MachineInstr::isInlineAsm(), isNewifiable(), MBPI, llvm::VLIWPacketizerList::MF, MI, and llvm::VLIWPacketizerList::ResourceTracker.

Referenced by isLegalToPacketizeTogether().

canPromoteToNewValue()

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

protected

Definition at line 811 of file HexagonVLIWPacketizer.cpp.

References canPromoteToNewValueStore(), llvm::SUnit::getInstr(), and MI.

Referenced by canPromoteToDotNew().

canPromoteToNewValueStore()

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

protected

Definition at line 642 of file HexagonVLIWPacketizer.cpp.

References assert(), llvm::VLIWPacketizerList::CurrentPacketMIs, getAbsSetOperand(), llvm::MachineInstr::getDesc(), llvm::SUnit::getInstr(), getPostIncrementOperand(), getPredicateSense(), getReg(), llvm::MachineOperand::getReg(), getStoreValueOperand(), I, isLoadAbsSet(), llvm::MachineOperand::isReg(), llvm::MachineInstr::mayLoad(), llvm::MachineInstr::mayStore(), llvm::VLIWPacketizerList::MF, MI, llvm::VLIWPacketizerList::MIToSUnit, llvm::MachineInstr::modifiesRegister(), and llvm::MachineInstr::operands().

Referenced by canPromoteToNewValue().

canReserveResourcesForConstExt()

bool HexagonPacketizerList::canReserveResourcesForConstExt ( )

protected

Definition at line 279 of file HexagonVLIWPacketizer.cpp.

References tryAllocateResourcesForConstExt().

Referenced by addToPacket().

cleanUpDotCur()

void HexagonPacketizerList::cleanUpDotCur ( )

protected

Definition at line 376 of file HexagonVLIWPacketizer.cpp.

References llvm::VLIWPacketizerList::CurrentPacketMIs, llvm::dbgs(), LLVM_DEBUG, and MI.

Referenced by isLegalToPruneDependencies().

demoteToDotOld()

bool HexagonPacketizerList::demoteToDotOld ( MachineInstr & MI )

protected

Definition at line 462 of file HexagonVLIWPacketizer.cpp.

References MI.

Referenced by addToPacket(), and isLegalToPruneDependencies().

endPacket()

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

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1780 of file HexagonVLIWPacketizer.cpp.

References llvm::VLIWPacketizerList::CurrentPacketMIs, llvm::dbgs(), llvm::finalizeBundle(), foundLSInPacket(), llvm::MachineInstrBundleIterator< Ty, IsReverse >::getInstrIterator(), getmemShufDisabled(), I, LLVM_DEBUG, llvm::make_range(), MBB, MI, llvm::VLIWPacketizerList::ResourceTracker, setmemShufDisabled(), and llvm::utohexstr().

Referenced by addToPacket().

foundLSInPacket()

bool HexagonPacketizerList::foundLSInPacket

(

)

Definition at line 1681 of file HexagonVLIWPacketizer.cpp.

References llvm::VLIWPacketizerList::CurrentPacketMIs, and Opc.

Referenced by endPacket().

getmemShufDisabled()

bool llvm::HexagonPacketizerList::getmemShufDisabled ( )

inlineprotected

Definition at line 113 of file HexagonVLIWPacketizer.h.

Referenced by endPacket().

hasControlDependence()

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

protected

Definition at line 1225 of file HexagonVLIWPacketizer.cpp.

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

Referenced by isLegalToPacketizeTogether().

hasDeadDependence()

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

protected

Definition at line 1198 of file HexagonVLIWPacketizer.cpp.

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

Referenced by isLegalToPacketizeTogether().

hasDualStoreDependence()

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

protected

Definition at line 1291 of file HexagonVLIWPacketizer.cpp.

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

Referenced by isLegalToPacketizeTogether().

hasRegMaskDependence()

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

protected

Definition at line 1261 of file HexagonVLIWPacketizer.cpp.

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

Referenced by isLegalToPacketizeTogether().

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::MCInstrDesc::getSchedClass(), MI, and llvm::VLIWPacketizerList::ResourceTracker.

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 294 of file HexagonVLIWPacketizer.cpp.

References llvm::SDep::Data, and MI.

Referenced by isLegalToPacketizeTogether().

isCurifiable()

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

protected

References MI.

isLegalToPacketizeTogether()

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

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1316 of file HexagonVLIWPacketizer.cpp.

References llvm::VLIWPacketizerList::alias(), llvm::SDep::Anti, arePredicatesComplements(), assert(), cannotCoexist(), canPromoteToDotCur(), canPromoteToDotNew(), llvm::VLIWPacketizerList::CurrentPacketMIs, llvm::SDep::Data, llvm::find(), llvm::SUnit::getInstr(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), hasControlDependence(), hasDeadDependence(), hasDualStoreDependence(), llvm::MachineInstr::hasOrderedMemoryRef(), hasRegMaskDependence(), llvm::HexagonSubtarget::hasV65Ops(), I, II, llvm::MachineInstr::isBranch(), llvm::MachineInstr::isCall(), isCallDependent(), isDirectJump(), llvm::MachineOperand::isReg(), isRegDependence(), isSoloInstruction(), llvm::SUnit::isSucc(), llvm::MachineInstr::mayLoad(), llvm::MachineInstr::mayStore(), llvm::VLIWPacketizerList::MF, llvm::MachineInstr::modifiesRegister(), Opc, llvm::SDep::Order, llvm::SDep::Output, PacketizeVolatiles, promoteToDotCur(), promoteToDotNew(), llvm::MachineInstr::readsRegister(), setmemShufDisabled(), Slot1Store, llvm::SUnit::Succs, and useCallersSP().

isLegalToPruneDependencies()

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

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1634 of file HexagonVLIWPacketizer.cpp.

References assert(), cannotCoexist(), cleanUpDotCur(), demoteToDotOld(), llvm::SUnit::getInstr(), I, INT64_MAX, undoChangedOffset(), updateOffset(), and useCalleesSP().

isNewifiable()

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

protected

Definition at line 351 of file HexagonVLIWPacketizer.cpp.

References MI.

Referenced by canPromoteToDotNew().

isPromotedToDotNew()

bool llvm::HexagonPacketizerList::isPromotedToDotNew ( ) const

inlineprotected

Definition at line 150 of file HexagonVLIWPacketizer.h.

isSoloInstruction()

bool HexagonPacketizerList::isSoloInstruction ( const MachineInstr & MI )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1057 of file HexagonVLIWPacketizer.cpp.

References isSchedBarrier(), MI, and ScheduleInlineAsm.

Referenced by isLegalToPacketizeTogether().

producesStall()

bool HexagonPacketizerList::producesStall ( const MachineInstr & MI )

protected

Definition at line 1931 of file HexagonVLIWPacketizer.cpp.

References calcStall(), I, and llvm::Latency.

Referenced by addToPacket(), and shouldAddToPacket().

promoteToDotCur()

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

protected

Definition at line 367 of file HexagonVLIWPacketizer.cpp.

References assert(), llvm::SDep::Data, and MI.

Referenced by isLegalToPacketizeTogether().

promoteToDotNew()

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

protected

Definition at line 449 of file HexagonVLIWPacketizer.cpp.

References assert(), llvm::SDep::Data, MBPI, and MI.

Referenced by isLegalToPacketizeTogether().

reserveResourcesForConstExt()

void HexagonPacketizerList::reserveResourcesForConstExt ( )

protected

Definition at line 274 of file HexagonVLIWPacketizer.cpp.

References llvm_unreachable, and tryAllocateResourcesForConstExt().

Referenced by addToPacket().

restrictingDepExistInPacket()

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

protected

Definition at line 911 of file HexagonVLIWPacketizer.cpp.

References llvm::SDep::Anti, llvm::VLIWPacketizerList::CurrentPacketMIs, I, llvm::SUnit::isSucc(), MI, llvm::VLIWPacketizerList::MIToSUnit, and llvm::SUnit::Succs.

Referenced by arePredicatesComplements().

setmemShufDisabled()

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

inlineprotected

Definition at line 116 of file HexagonVLIWPacketizer.h.

Referenced by endPacket(), and isLegalToPacketizeTogether().

shouldAddToPacket()

bool HexagonPacketizerList::shouldAddToPacket ( const MachineInstr & MI )

overridevirtual

Reimplemented from llvm::VLIWPacketizerList.

Definition at line 1826 of file HexagonVLIWPacketizer.cpp.

References llvm::VLIWPacketizerList::CurrentPacketMIs, MI, producesStall(), llvm::VLIWPacketizerList::ResourceTracker, and llvm::MachineInstr::setDesc().

tryAllocateResourcesForConstExt()

bool HexagonPacketizerList::tryAllocateResourcesForConstExt ( bool Reserve )

protected

Definition at line 285 of file HexagonVLIWPacketizer.cpp.

References llvm::VLIWPacketizerList::MF, and llvm::VLIWPacketizerList::ResourceTracker.

Referenced by addToPacket(), canReserveResourcesForConstExt(), and reserveResourcesForConstExt().

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 543 of file HexagonVLIWPacketizer.cpp.

References llvm_unreachable, MI, and OP.

Referenced by isLegalToPruneDependencies().

unpacketizeSoloInstrs()

void HexagonPacketizerList::unpacketizeSoloInstrs

(

MachineFunction &

MF

)

Definition at line 1157 of file HexagonVLIWPacketizer.cpp.

References B(), hasWriteToReadDep(), llvm::make_early_inc_range(), llvm::VLIWPacketizerList::MF, 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 507 of file HexagonVLIWPacketizer.cpp.

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

Referenced by isLegalToPruneDependencies().

useCalleesSP()

void HexagonPacketizerList::useCalleesSP ( MachineInstr & MI )

protected

Definition at line 489 of file HexagonVLIWPacketizer.cpp.

References HEXAGON_LRFP_SIZE, llvm_unreachable, llvm::VLIWPacketizerList::MF, MI, and Opc.

Referenced by addToPacket(), and isLegalToPruneDependencies().

useCallersSP()

bool HexagonPacketizerList::useCallersSP ( MachineInstr & MI )

protected

Definition at line 468 of file HexagonVLIWPacketizer.cpp.

References HEXAGON_LRFP_SIZE, llvm_unreachable, llvm::VLIWPacketizerList::MF, MI, and Opc.

Referenced by isLegalToPacketizeTogether().

Member Data Documentation

MBPI

const MachineBranchProbabilityInfo* llvm::HexagonPacketizerList::MBPI

protected

A handle to the branch probability pass.

Definition at line 72 of file HexagonVLIWPacketizer.h.

Referenced by canPromoteToDotNew(), HexagonPacketizerList(), and promoteToDotNew().

MLI

const MachineLoopInfo* llvm::HexagonPacketizerList::MLI

protected

Definition at line 73 of file HexagonVLIWPacketizer.h.

Referenced by calcStall(), and HexagonPacketizerList().

---

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

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