org.jikesrvm.compilers.opt.ssa
Class SSADictionary.HeapKey<T>

java.lang.Object
  org.jikesrvm.compilers.opt.ssa.SSADictionary.HeapKey<T>

Enclosing class:

SSADictionary

private static final class SSADictionary.HeapKey<T>
extends Object

This class represents the name of a heap variable in the heap array SSA form.

number

private final int number

The number and type comprise the name of a heap variable in array SSA form

type

private final T type

The number and type comprise the name of a heap variable in array SSA form

SSADictionary.HeapKey

SSADictionary.HeapKey(int number,
                      T type)

Create a new name for a heap variable.

Parameters:

number - the number, a unique integer from SSA renaming

type - the type (a RVMField or TypeReference

equals

public boolean equals(Object key)

Test against another key for equality. This function is used to retrive items from hashtables.

Overrides:

equals in class Object

Parameters:

key - the object to compare with

Returns:

true or false as appropriate

hashCode

public int hashCode()

Return a hash code for this name. TODO: come up with a better hash function.

Overrides:

hashCode in class Object

Returns:

the hash code