claw.wani.transformation.ll.loop

Class LoopInterchange

java.lang.Object

claw.shenron.transformation.Transformation

claw.wani.transformation.ClawTransformation

claw.wani.transformation.ll.loop.LoopInterchange

public class LoopInterchange
extends ClawTransformation

A LoopInterchange transformation is a an independent transformation. It allow to reorder nested loops up to three levels.

Author:

clementval

Field Summary

Fields inherited from class claw.wani.transformation.ClawTransformation

_claw

Constructor Summary

Constructors

Constructor and Description
LoopInterchange(ClawPragma directive) Constructs a new LoopInterchange triggered from a specific pragma.

Method Summary

Modifier and Type	Method and Description
boolean	analyze(XcodeProgram xcodeml, Translator translator) Loop fusion analysis: - Find the different do statement that will be reordered.
boolean	canBeTransformedWith(XcodeProgram xcodeml, Transformation transformation) Check whether the current transformation can be transformed together with the given transformation.
void	transform(XcodeProgram xcodeml, Translator translator, Transformation transformation) Apply the transformation.

Methods inherited from class claw.wani.transformation.ClawTransformation

getLanguageInfo, removePragma

Methods inherited from class claw.shenron.transformation.Transformation

abortOnFailedAnalysis, getDirective, getStartLine, isTransformed, setStartLine, transformed

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LoopInterchange

public LoopInterchange(ClawPragma directive)

Constructs a new LoopInterchange triggered from a specific pragma.

Parameters:

directive - The directive that triggered the loop interchange transformation.

Method Detail

transform

public void transform(XcodeProgram xcodeml,
                      Translator translator,
                      Transformation transformation)
               throws IllegalTransformationException

Apply the transformation.

Specified by:

transform in class Transformation

Parameters:

xcodeml - The XcodeML on which the transformations are applied.

translator - The translator used to applied the transformations.

transformation - Only for dependent transformation. The other transformation part of the transformation.

Throws:

IllegalTransformationException - if the transformation cannot be applied.

analyze

public boolean analyze(XcodeProgram xcodeml,
                       Translator translator)

Loop fusion analysis: - Find the different do statement that will be reordered. - Check the validity of the new ordering option.

Specified by:

analyze in class Transformation

Parameters:

xcodeml - The XcodeML on which the transformations are applied.

translator - The translator used to applied the transformations.

Returns:

True if the transformation can be performed. False otherwise.

canBeTransformedWith

public boolean canBeTransformedWith(XcodeProgram xcodeml,
                                    Transformation transformation)

Description copied from class: Transformation

Check whether the current transformation can be transformed together with the given transformation. Useful only for dependent transformation.

Specified by:

canBeTransformedWith in class Transformation

Parameters:

xcodeml - The XcodeML on which the transformations are applied.

transformation - The other transformation part of the dependent transformation.

Returns:

Always false as independent transformation are applied one by one.

See Also:

Transformation.canBeTransformedWith(XcodeProgram, Transformation)