/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.jikesrvm.compilers.opt.ir;
import org.jikesrvm.compilers.opt.controlflow.DominatorTree;
import org.jikesrvm.compilers.opt.controlflow.LSTGraph;
import org.jikesrvm.compilers.opt.dfsolver.DF_Solution;
import org.jikesrvm.compilers.opt.ssa.GlobalValueNumberState;
import org.jikesrvm.compilers.opt.ssa.SSADictionary;
/**
* Wrapper class around IR info that is valid on the HIR/LIR/MIR
*/
public final class HIRInfo {
public HIRInfo(IR ir) { }
/** Place to hang dominator tree. */
public DominatorTree dominatorTree;
/** Were dominators computed successfully ? */
public boolean dominatorsAreComputed;
/** Place to hang post-dominator tree. */
public DominatorTree postDominatorTree;
/** Were post-dominators computed successfully ? */
public boolean postDominatorsAreComputed;
/** Place to hang Heap SSA information. */
public SSADictionary dictionary;
/** Place to hang global value number information. */
public GlobalValueNumberState valueNumbers;
/** Place to hang uniformly generated global value number information. */
public GlobalValueNumberState uniformlyGeneratedValueNumbers;
/** Place to hang Loop Structure Tree (LST) */
public LSTGraph loopStructureTree;
/** Place to hang results of index propagation analysis */
public DF_Solution indexPropagationSolution;
/** Did load elimination do anything last time? */
public boolean loadEliminationDidSomething = true;
}