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      public CompilerPhase newExecution(IR ir) {
032        return this;
033      }
034    
035      public boolean printingEnabled(OptOptions options, boolean before) {
036        return options.PRINT_CALLING_CONVENTIONS && !before;
037      }
038    
039      public String getName() {
040        return "Expand Calling Convention";
041      }
042    
043      public void perform(org.jikesrvm.compilers.opt.ir.IR ir) {
044        CallingConvention.expandCallingConventions(ir);
045      }
046    }