Package org.apache.sysds.parser

Class ForStatementBlock

java.lang.Object

org.apache.sysds.parser.LiveVariableAnalysis

org.apache.sysds.parser.StatementBlock

org.apache.sysds.parser.ForStatementBlock

All Implemented Interfaces:

ParseInfo

Direct Known Subclasses:

ParForStatementBlock

public class ForStatementBlock
extends StatementBlock

Field Summary

Fields inherited from class org.apache.sysds.parser.StatementBlock

DEFAULT_LOOP_REPETITIONS

Constructor Summary

Constructors

Constructor	Description
ForStatementBlock()

Method Summary

Modifier and Type	Method	Description
VariableSet	analyze(VariableSet loPassed)
int	getEstimateReps()
Hop	getFromHops()
Lop	getFromLops()
Hop	getIncrementHops()
Lop	getIncrementLops()
ArrayList<String>	getInputstoSB()
IterablePredicate	getIterPredicate()
Hop	getToHops()
Lop	getToLops()
VariableSet	initializebackwardLV(VariableSet loPassed)
VariableSet	initializeforwardLV(VariableSet activeInPassed)	For each statement: gen rule: for each variable read in current statement but not updated in any PRIOR statement, add to gen Handles case where variable both read and updated in same statement (i = i + 1, i needs to be added to gen) kill rule: for each variable updated in current statement but not read in this or any PRIOR statement, add to kill.
void	performConstantPropagation(HashMap<String,ConstIdentifier> currConstVars)
boolean	requiresFromRecompilation()
boolean	requiresIncrementRecompilation()
boolean	requiresPredicateRecompilation()
boolean	requiresToRecompilation()
void	setFromHops(Hop hops)
void	setFromLops(Lop lops)
void	setIncrementHops(Hop hops)
void	setIncrementLops(Lop lops)
void	setToHops(Hop hops)
void	setToLops(Lop lops)
boolean	updatePredicateRecompilationFlags()
VariableSet	validate(DMLProgram dmlProg, VariableSet ids, HashMap<String,ConstIdentifier> constVars, boolean conditional)

Methods inherited from class org.apache.sysds.parser.StatementBlock

addStatement, addStatementBlock, getBeginColumn, getBeginLine, getCheckpointPositions, getConstIn, getConstOut, getDMLProg, getEndColumn, getEndLine, getFilename, getHops, getLoopDepRatio, getLops, getName, getNumStatements, getOutputNamesofSB, getOutputsofSB, getSBID, getStatement, getStatements, getText, getUpdateInPlaceVars, hasHops, isMergeableFunctionCallBlock, isNondeterministic, isRecompileOnce, isRewritableFunctionCall, isSplitDag, mergeable, mergeFunctionCalls, mergeStatementBlocks, printBlockErrorLocation, printErrorLocation, printWarningLocation, raiseValidateError, raiseValidateError, requiresRecompilation, rewriteFunctionCallStatements, rHoistFunctionCallsFromExpressions, rHoistFunctionCallsFromExpressions, rHoistFunctionCallsFromExpressions, setBeginColumn, setBeginLine, setCheckpointPosition, setDMLProg, setEndColumn, setEndLine, setFilename, setHops, setLoopDepRatio, setLops, setNondeterministic, setParseInfo, setRecompileOnce, setSplitDag, setStatementFormatType, setStatementFormatType, setStatements, setText, setUpdateInPlaceVars, toString, updateRecompilationFlag

Methods inherited from class org.apache.sysds.parser.LiveVariableAnalysis

getGen, getKill, getWarn, liveIn, liveOut, setGen, setKill, setLiveIn, setLiveOut, setReadVariables, setUpdatedVariables, updateLiveVariablesOut, variablesRead, variablesUpdated

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ForStatementBlock

public ForStatementBlock()

Method Detail

getIterPredicate

public IterablePredicate getIterPredicate()

validate

public VariableSet validate(DMLProgram dmlProg,
                            VariableSet ids,
                            HashMap<String,ConstIdentifier> constVars,
                            boolean conditional)

Overrides:

validate in class StatementBlock

initializeforwardLV

public VariableSet initializeforwardLV(VariableSet activeInPassed)

Description copied from class: StatementBlock

For each statement: gen rule: for each variable read in current statement but not updated in any PRIOR statement, add to gen Handles case where variable both read and updated in same statement (i = i + 1, i needs to be added to gen) kill rule: for each variable updated in current statement but not read in this or any PRIOR statement, add to kill.

Overrides:

initializeforwardLV in class StatementBlock

initializebackwardLV

public VariableSet initializebackwardLV(VariableSet loPassed)

Overrides:

initializebackwardLV in class StatementBlock

setFromHops

public void setFromHops(Hop hops)

setToHops

public void setToHops(Hop hops)

setIncrementHops

public void setIncrementHops(Hop hops)

getFromHops

public Hop getFromHops()

getToHops

public Hop getToHops()

getIncrementHops

public Hop getIncrementHops()

setFromLops

public void setFromLops(Lop lops)

setToLops

public void setToLops(Lop lops)

setIncrementLops

public void setIncrementLops(Lop lops)

getFromLops

public Lop getFromLops()

getToLops

public Lop getToLops()

getIncrementLops

public Lop getIncrementLops()

getInputstoSB

public ArrayList<String> getInputstoSB()

Overrides:

getInputstoSB in class StatementBlock

analyze

public VariableSet analyze(VariableSet loPassed)

Overrides:

analyze in class StatementBlock

performConstantPropagation

public void performConstantPropagation(HashMap<String,ConstIdentifier> currConstVars)

updatePredicateRecompilationFlags

public boolean updatePredicateRecompilationFlags()

requiresPredicateRecompilation

public boolean requiresPredicateRecompilation()

requiresFromRecompilation

public boolean requiresFromRecompilation()

requiresToRecompilation

public boolean requiresToRecompilation()

requiresIncrementRecompilation

public boolean requiresIncrementRecompilation()

getEstimateReps

public int getEstimateReps()