InlineGraalDirectivesPlugin.java revision 12651:6ef01bd40ce2 
1/*
2 * Copyright (c) 2013, 2016, 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 */
23package org.graalvm.compiler.replacements;
24
25import static org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo.createStandardInlineInfo;
26
27import java.lang.reflect.Method;
28
29import org.graalvm.compiler.api.directives.GraalDirectives;
30import org.graalvm.compiler.debug.GraalError;
31import org.graalvm.compiler.nodes.ValueNode;
32import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
33import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin;
34
35import jdk.vm.ci.meta.ResolvedJavaMethod;
36
37public final class InlineGraalDirectivesPlugin implements InlineInvokePlugin {
38
39    private static final Method ROOTNAME;
40
41    static {
42        try {
43            ROOTNAME = GraalDirectives.class.getDeclaredMethod("rootName");
44        } catch (Exception e) {
45            throw new GraalError("unable to find GraalDirectives.rootName()", e);
46        }
47    }
48
49    @Override
50    public InlineInfo shouldInlineInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) {
51        if (method.equals(b.getMetaAccess().lookupJavaMethod(ROOTNAME))) {
52            return createStandardInlineInfo(method);
53        }
54        return null;
55    }
56
57}
58