/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Common Public License (CPL);
* 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/cpl1.0.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.OPT_CompilerPhase;
/**
* Translate from bytecodes to HIR
*/
public final class OPT_ConvertBCtoHIR extends OPT_CompilerPhase {
public String getName() {
return "Generate HIR";
}
/**
* Generate HIR for ir.method into ir
*
* @param ir The IR to generate HIR into
*/
public void perform(OPT_IR ir) {
// Generate the cfg into gc
OPT_GenerationContext gc = new OPT_GenerationContext(ir.method, ir.params, ir.compiledMethod, ir.options, ir.inlinePlan);
OPT_BC2IR.generateHIR(gc);
// Transfer HIR and misc state from gc to the ir object
ir.gc = gc;
ir.cfg = gc.cfg;
ir.regpool = gc.temps;
if (gc.allocFrame) {
ir.stackManager.forceFrameAllocation();
}
// ir now contains well formed HIR.
ir.IRStage = OPT_IR.HIR;
ir.HIRInfo = new OPT_HIRInfo(ir);
if (OPT_IR.SANITY_CHECK) {
ir.verify("Initial HIR", true);
}
}
// This phase contains no instance fields.
public OPT_CompilerPhase newExecution(OPT_IR ir) {
return this;
}
}