/*
* 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.bc2ir;
import org.jikesrvm.compilers.opt.driver.CompilerPhase;
import org.jikesrvm.compilers.opt.ir.HIRInfo;
import org.jikesrvm.compilers.opt.ir.IR;
/**
* Translate from bytecodes to HIR
*/
public final class ConvertBCtoHIR extends 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(IR ir) {
// Generate the cfg into gc
GenerationContext gc = new GenerationContext(ir.method, ir.params, ir.compiledMethod, ir.options, ir.inlinePlan);
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.IRStage = IR.HIR;
ir.HIRInfo = new HIRInfo(ir);
}
// This phase contains no instance fields.
public CompilerPhase newExecution(IR ir) {
return this;
}
}