001/*
002 *  This file is part of the Jikes RVM project (http://jikesrvm.org).
003 *
004 *  This file is licensed to You under the Eclipse Public License (EPL);
005 *  You may not use this file except in compliance with the License. You
006 *  may obtain a copy of the License at
007 *
008 *      http://www.opensource.org/licenses/eclipse-1.0.php
009 *
010 *  See the COPYRIGHT.txt file distributed with this work for information
011 *  regarding copyright ownership.
012 */
013package org.jikesrvm.compilers.opt.regalloc;
014
015import org.jikesrvm.VM;
016import org.jikesrvm.compilers.opt.OptOptions;
017import org.jikesrvm.compilers.opt.driver.CompilerPhase;
018import org.jikesrvm.compilers.opt.ir.IR;
019
020/**
021 *  Phase for expanding the calling convention
022 */
023public final class ExpandCallingConvention extends CompilerPhase {
024
025  /**
026   * Return this instance of this phase. This phase contains no
027   * per-compilation instance fields.
028   * @param ir not used
029   * @return this
030   */
031  @Override
032  public CompilerPhase newExecution(IR ir) {
033    return this;
034  }
035
036  @Override
037  public boolean printingEnabled(OptOptions options, boolean before) {
038    return options.PRINT_CALLING_CONVENTIONS && !before;
039  }
040
041  @Override
042  public String getName() {
043    return "Expand Calling Convention";
044  }
045
046  @Override
047  public void perform(org.jikesrvm.compilers.opt.ir.IR ir) {
048    if (VM.BuildForIA32) {
049      org.jikesrvm.compilers.opt.regalloc.ia32.CallingConvention.expandCallingConventions(ir);
050    } else {
051      if (VM.VerifyAssertions) VM._assert(VM.BuildForPowerPC);
052      org.jikesrvm.compilers.opt.regalloc.ppc.CallingConvention.expandCallingConventions(ir);
053    }
054  }
055}