harpoon.IR.Quads
Class SSIToSSA

java.lang.Object
  harpoon.IR.Quads.SSIToSSA

public class SSIToSSA
extends Object

SSIToSSA renames variables to eliminate sigma functions in an SSI-form codeview, yielding an SSA codeview.

Version:

$Id: SSIToSSA.java,v 1.7 2004/02/08 01:55:25 cananian Exp $

Author:

C. Scott Ananian <cananian@alumni.princeton.edu>

Field Summary

AllocationInformation<Quad>	allocInfo AllocationInformation for the new quads, or null if no allocation information for the old quads was supplied.
Derivation<Quad>	derivation Derivation for the new quads, or null if no Derivation for the old quads was supplied.
Map<Quad,Quad>	quadMap Map from old ssi quads to new ssa quads.
Map<Quad,Quad>	revQuadMap Map from new ssa quads to old ssi quads.
TempMap	revTempMap Map from new ssa temps to old ssi temps.
HEADER	rootQuad New root element (of the SSA-form graph)
TempMap	tempMap Map from old ssi temps to new ssa temps.

Constructor Summary

SSIToSSA(Code c, QuadFactory nqf)
Converts the given code (in SSI form) to a graph graph in SSA form created using the given code factory nqf.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

rootQuad

public final HEADER rootQuad

New root element (of the SSA-form graph)

tempMap

public final TempMap tempMap

Map from old ssi temps to new ssa temps.

revTempMap

public final TempMap revTempMap

Map from new ssa temps to old ssi temps.

quadMap

public final Map<Quad,Quad> quadMap

Map from old ssi quads to new ssa quads.

revQuadMap

public final Map<Quad,Quad> revQuadMap

Map from new ssa quads to old ssi quads.

allocInfo

public final AllocationInformation<Quad> allocInfo

AllocationInformation for the new quads, or null if no allocation information for the old quads was supplied.

derivation

public final Derivation<Quad> derivation

Derivation for the new quads, or null if no Derivation for the old quads was supplied.

Constructor Detail

SSIToSSA

public SSIToSSA(Code c,
                QuadFactory nqf)

Converts the given code (in SSI form) to a graph graph in SSA form created using the given code factory nqf.