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     */
013    package org.jikesrvm.compilers.opt.regalloc;
014    
015    import org.jikesrvm.ArchitectureSpecificOpt.CallingConvention;
016    import org.jikesrvm.compilers.opt.OptOptions;
017    import org.jikesrvm.compilers.opt.driver.CompilerPhase;
018    import org.jikesrvm.compilers.opt.ir.IR;
019    
020    /**
021     *  Phase for expanding the calling convention
022     */
023    public 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        CallingConvention.expandCallingConventions(ir);
049      }
050    }