harpoon.Analysis.PreciseGC
Class DynamicWBTreePass

java.lang.Object
  harpoon.Analysis.Tree.Simplification
      harpoon.Analysis.PreciseGC.DynamicWBTreePass

public class DynamicWBTreePass
extends Simplification

DynamicWBTreePass performs some low-level transformations to the output of DynamicWBQuadPass which cannot be done in the quad form on which DynamicWBQuadPass operates. DynamicWBTreePass works on tree form.

Version:

$Id: DynamicWBTreePass.java,v 1.2 2003/03/11 19:15:41 cananian Exp $

Author:

Karen Zee <kkz@tmi.lcs.mit.edu>

Nested Class Summary

Nested classes/interfaces inherited from class harpoon.Analysis.Tree.Simplification

Simplification.Rule

Field Summary

Fields inherited from class harpoon.Analysis.Tree.Simplification

_ADD, _ALIGN, _AND, _BINOP, _CALL, _CJUMP, _CMPEQ, _CMPGE, _CMPGT, _CMPLE, _CMPLT, _CMPNE, _CONST, _CONST0, _CONST1, _CONSTm1, _CONSTNULL, _DATUM, _DIV, _ESEQ, _EXPR, _JUMP, _LABEL, _MEM, _METHOD, _MOVE, _MUL, _NAME, _NATIVECALL, _OR, _REM, _RETURN, _SEGMENT, _SEQ, _SHL, _SHR, _TEMP, _THROW, _UNOP, _USHR, _XOR

Method Summary

static HCodeFactory

codeFactory(HCodeFactory parent, Frame frame, Linker linker) Code factory for applying DynamicWBTreePass to a canonical tree.

Methods inherited from class harpoon.Analysis.Tree.Simplification

_KIND, _OP, codeFactory, contains, simplify

Methods inherited from class java.lang.Object

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

Method Detail

codeFactory

public static HCodeFactory codeFactory(HCodeFactory parent,
                                       Frame frame,
                                       Linker linker)

Code factory for applying DynamicWBTreePass to a canonical tree. Clones the tree before doing transformation in-place.