harpoon.Analysis
Class Liveness<HCE extends HCodeElement>

java.lang.Object
  harpoon.Analysis.Liveness<HCE>

Direct Known Subclasses:

LiveVars, QuadLiveness

public abstract class Liveness<HCE extends HCodeElement>
extends Object

Liveness defines an abstract class for live variable analysis.

Version:

$Id: Liveness.java,v 1.3 2002/04/10 02:58:48 cananian Exp $

Author:

Karen K. Zee <kkz@alum.mit.edu>

Field Summary

protected HCode<HCE>

hc The HCode for which this object contains analysis results.

Constructor Summary

Liveness(HCode<HCE> hc)
Creates a Liveness object from provided HCode.

Method Summary

abstract Set<Temp>	getLiveIn(HCE hce) Returns the Set of Temps that are live-in at the HCodeElement.
abstract Set<Temp>	getLiveOut(HCE hce) Returns the Set of Temps that are live-out at the HCodeElement.

Methods inherited from class java.lang.Object

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

Field Detail

hc

protected final HCode<HCE extends HCodeElement> hc

The HCode for which this object contains analysis results.

Constructor Detail

Liveness

public Liveness(HCode<HCE> hc)

Creates a Liveness object from provided HCode.

Method Detail

getLiveIn

public abstract Set<Temp> getLiveIn(HCE hce)

Returns the Set of Temps that are live-in at the HCodeElement.

getLiveOut

public abstract Set<Temp> getLiveOut(HCE hce)

Returns the Set of Temps that are live-out at the HCodeElement.