llvm::ModuloSchedule Class Reference

Represents a schedule for a single-block loop. More...

#include "llvm/CodeGen/ModuloSchedule.h"

Public Member Functions
	ModuloSchedule (MachineFunction &MF, MachineLoop *Loop, std::vector< MachineInstr * > ScheduledInstrs, DenseMap< MachineInstr *, int > Cycle, DenseMap< MachineInstr *, int > Stage)
	Create a new ModuloSchedule.
MachineLoop *	getLoop () const
	Return the single-block loop being scheduled.
int	getNumStages () const
	Return the number of stages contained in this schedule, which is the largest stage index + 1.
int	getFirstCycle ()
	Return the first cycle in the schedule, which is the cycle index of the first instruction.
int	getFinalCycle ()
	Return the final cycle in the schedule, which is the cycle index of the last instruction.
int	getStage (MachineInstr *MI)
	Return the stage that MI is scheduled in, or -1.
int	getCycle (MachineInstr *MI)
	Return the cycle that MI is scheduled at, or -1.
void	setStage (MachineInstr *MI, int MIStage)
	Set the stage of a newly created instruction.
ArrayRef< MachineInstr * >	getInstructions ()
	Return the rescheduled instructions in order.
void	dump ()
void	print (raw_ostream &OS)

Detailed Description

Represents a schedule for a single-block loop.

For every instruction we maintain a Cycle and Stage.

Definition at line 80 of file ModuloSchedule.h.

Constructor & Destructor Documentation

ModuloSchedule()

llvm::ModuloSchedule::ModuloSchedule ( MachineFunction &  MF, MachineLoop *  Loop, std::vector< MachineInstr * >  ScheduledInstrs, DenseMap< MachineInstr *, int >  Cycle, DenseMap< MachineInstr *, int >  Stage  )

inline

Create a new ModuloSchedule.

• ScheduledInstrs The new loop instructions, in total resequenced order.
• Cycle Cycle index for all instructions in ScheduledInstrs. Cycle does not need to start at zero. ScheduledInstrs must be partially ordered by Cycle.
• Stage Stage index for all instructions in ScheduleInstrs.

Definition at line 107 of file ModuloSchedule.h.

Member Function Documentation

dump()

void llvm::ModuloSchedule::dump ( )

inline

Definition at line 155 of file ModuloSchedule.h.

References llvm::dbgs(), and print().

Referenced by llvm::PeelingModuloScheduleExpander::expand().

getCycle()

int llvm::ModuloSchedule::getCycle ( MachineInstr *  MI )

inline

Return the cycle that MI is scheduled at, or -1.

Definition at line 141 of file ModuloSchedule.h.

References I, and MI.

Referenced by llvm::ModuloScheduleTestAnnotater::annotate(), and print().

getFinalCycle()

int llvm::ModuloSchedule::getFinalCycle ( )

inline

Return the final cycle in the schedule, which is the cycle index of the last instruction.

Definition at line 132 of file ModuloSchedule.h.

getFirstCycle()

int llvm::ModuloSchedule::getFirstCycle ( )

inline

Return the first cycle in the schedule, which is the cycle index of the first instruction.

Definition at line 128 of file ModuloSchedule.h.

getInstructions()

ArrayRef< MachineInstr * > llvm::ModuloSchedule::getInstructions ( )

inline

Return the rescheduled instructions in order.

Definition at line 153 of file ModuloSchedule.h.

Referenced by llvm::ModuloScheduleTestAnnotater::annotate(), and llvm::ModuloScheduleExpander::expand().

getLoop()

MachineLoop * llvm::ModuloSchedule::getLoop ( ) const

inline

Return the single-block loop being scheduled.

Definition at line 120 of file ModuloSchedule.h.

Referenced by llvm::ModuloScheduleExpander::expand(), llvm::PeelingModuloScheduleExpander::expand(), llvm::PeelingModuloScheduleExpander::rewriteKernel(), and llvm::PeelingModuloScheduleExpander::validateAgainstModuloScheduleExpander().

getNumStages()

int llvm::ModuloSchedule::getNumStages ( ) const

inline

Return the number of stages contained in this schedule, which is the largest stage index + 1.

Definition at line 124 of file ModuloSchedule.h.

Referenced by llvm::PeelingModuloScheduleExpander::fixupBranches(), and llvm::PeelingModuloScheduleExpander::peelPrologAndEpilogs().

getStage()

int llvm::ModuloSchedule::getStage ( MachineInstr *  MI )

inline

Return the stage that MI is scheduled in, or -1.

Definition at line 135 of file ModuloSchedule.h.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), I, and MI.

Referenced by llvm::ModuloScheduleTestAnnotater::annotate(), llvm::ModuloScheduleExpander::expand(), llvm::PeelingModuloScheduleExpander::getStage(), and print().

print()

void ModuloSchedule::print

(

raw_ostream &

OS

)

Definition at line 25 of file ModuloSchedule.cpp.

References getCycle(), getStage(), MI, and OS.

Referenced by dump(), and llvm::PeelingModuloScheduleExpander::validateAgainstModuloScheduleExpander().

setStage()

void llvm::ModuloSchedule::setStage ( MachineInstr *  MI, int  MIStage  )

inline

Set the stage of a newly created instruction.

Definition at line 147 of file ModuloSchedule.h.

References assert(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::count(), and MI.

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

• include/llvm/CodeGen/ModuloSchedule.h
• lib/CodeGen/ModuloSchedule.cpp