001/*
002 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.replacements.test;
024
025import jdk.internal.jvmci.code.*;
026import jdk.internal.jvmci.meta.*;
027import jdk.internal.jvmci.meta.JavaTypeProfile.*;
028
029import com.oracle.graal.compiler.test.*;
030import com.oracle.graal.nodes.*;
031
032/**
033 * Base class for checkcast and instanceof test classes.
034 */
035public abstract class TypeCheckTest extends GraalCompilerTest {
036
037    protected abstract void replaceProfile(StructuredGraph graph, JavaTypeProfile profile);
038
039    protected JavaTypeProfile currentProfile;
040
041    @Override
042    protected StructuredGraph parseForCompile(ResolvedJavaMethod method) {
043        StructuredGraph graph = super.parseForCompile(method);
044        if (currentProfile != null) {
045            replaceProfile(graph, currentProfile);
046        }
047        return graph;
048    }
049
050    @Override
051    protected InstalledCode getCode(final ResolvedJavaMethod method, final StructuredGraph graph) {
052        return getCode(method, graph, currentProfile != null);
053    }
054
055    protected JavaTypeProfile profile(Class<?>... types) {
056        return profile(TriState.FALSE, types);
057    }
058
059    protected JavaTypeProfile profile(TriState nullSeen, Class<?>... types) {
060        if (types.length == 0) {
061            return null;
062        }
063        ProfiledType[] ptypes = new ProfiledType[types.length];
064        for (int i = 0; i < types.length; i++) {
065            ptypes[i] = new ProfiledType(getMetaAccess().lookupJavaType(types[i]), 1.0D / types.length);
066        }
067        return new JavaTypeProfile(nullSeen, 0.0D, ptypes);
068    }
069
070    protected void test(String name, JavaTypeProfile profile, Object... args) {
071        assert currentProfile == null;
072        currentProfile = profile;
073        try {
074            super.test(name, args);
075        } finally {
076            currentProfile = null;
077        }
078    }
079}