org.multijava.util.backend
Class DeadcodeElimination

java.lang.Object
  org.multijava.util.backend.TreeWalker
      org.multijava.util.backend.DeadcodeElimination

public class DeadcodeElimination

extends TreeWalker

This class removes deadcode generated by optimizations or code transformation

Field Summary
private  QNode	last

 

Fields inherited from class org.multijava.util.backend.TreeWalker

 

Constructor Summary

DeadcodeElimination(BasicBlock[] bblocks, BasicBlock[] eblocks)           Creates a new instruction handle.

 

Method Summary
protected  void	kill()           Called when a branch is reached
protected  void	processNode(QNode node)
void	run()           Runs the deadcode algorithm

 

Methods inherited from class org.multijava.util.backend.TreeWalker

getBasicBlock, removeNode, traverse

 

Methods inherited from class java.lang.Object

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

 

Field Detail

last

private QNode last

DeadcodeElimination

public DeadcodeElimination(BasicBlock[] bblocks,
                           BasicBlock[] eblocks)

Creates a new instruction handle.

run

public void run()

Runs the deadcode algorithm

processNode

protected void processNode(QNode node)

Description copied from class: TreeWalker

Processes the node

kill

protected void kill()

Description copied from class: TreeWalker

Called when a branch is reached

Overrides:

kill in class TreeWalker