1 /*
   2  * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.core.common.spi;
  26 
  27 import org.graalvm.compiler.core.common.LIRKind;
  28 
  29 /**
  30  * This interface can be used to access platform and VM specific kinds.
  31  */
  32 public interface LIRKindTool {
  33 
  34     /**
  35      * Get an architecture specific integer kind of a certain size.
  36      */
  37     LIRKind getIntegerKind(int bits);
  38 
  39     /**
  40      * Get an architecture specific floating point kind of a certain size.
  41      */
  42     LIRKind getFloatingKind(int bits);
  43 
  44     /**
  45      * Get the architecture specific kind used to represent Java objects.
  46      */
  47     LIRKind getObjectKind();
  48 
  49     /**
  50      * Get the architecture specific kind pointer-sized integer kind.
  51      */
  52     LIRKind getWordKind();
  53 
  54     /**
  55      * Get the platform specific kind used to represent compressed oops.
  56      */
  57     LIRKind getNarrowOopKind();
  58 
  59     /**
  60      * Gets the platform specific kind used to represent compressed metaspace pointers.
  61      */
  62     LIRKind getNarrowPointerKind();
  63 }