DominatorOperator (Jikes RVM API)

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org.jikesrvm.compilers.opt.controlflow
Class DominatorOperator

java.lang.Object
  org.jikesrvm.compilers.opt.dfsolver.DF_Operator
      org.jikesrvm.compilers.opt.controlflow.DominatorOperator

class DominatorOperator
extends DF_Operator
extends DF_Operator

This class implements the MEET operation for the dataflow equations for the dominator calculation.

Field Summary
`(package private) static DominatorOperator`	`MEET` A singleton instance of this class.

Constructor Summary
`DominatorOperator()`

Method Summary
`boolean`	`evaluate(DF_LatticeCell[] operands)` Evaluate an equation with the MEET operation
`String`	`toString()` Return a String representation of the operator

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

MEET

static final DominatorOperator MEET

A singleton instance of this class.

Constructor Detail

DominatorOperator

DominatorOperator()

Method Detail

evaluate

public boolean evaluate(DF_LatticeCell[] operands)

Evaluate an equation with the MEET operation

Specified by:: evaluate in class DF_Operator

Parameters:: operands - the lhs(operands[0]) and rhs(operands[1]) of the equation.
Returns:: true if the value of the lhs changes. false otherwise

toString

public String toString()

Return a String representation of the operator

Overrides:: toString in class Object

Returns:: "MEET"