001/*
002 * Copyright (c) 2014, 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.truffle.test.builtins;
024
025import com.oracle.graal.truffle.*;
026import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
027import com.oracle.truffle.api.*;
028import com.oracle.truffle.api.dsl.*;
029import com.oracle.truffle.api.nodes.*;
030import com.oracle.truffle.sl.nodes.*;
031import com.oracle.truffle.sl.runtime.*;
032
033/**
034 * Disables splitting for a given {@link SLFunction} instance. If no function is given the splitting
035 * will be disabled for the calling function.
036 */
037@NodeInfo(shortName = "disableSplitting")
038public abstract class SLDisableSplittingBuiltin extends SLGraalRuntimeBuiltin {
039
040    @Specialization
041    @TruffleBoundary
042    public SLFunction disableSplitting(SLFunction function) {
043        OptimizedCallTarget target = (OptimizedCallTarget) function.getCallTarget();
044        for (OptimizedCallTarget oct : findDuplicateCallTargets(target)) {
045            ((SLRootNode) oct.getRootNode()).setCloningAllowed(false);
046        }
047        return function;
048    }
049
050    @Specialization
051    @TruffleBoundary
052    public SLNull disableSplitting(@SuppressWarnings("unused") SLNull argument) {
053        RootNode parentRoot = Truffle.getRuntime().getCallerFrame().getCallNode().getRootNode();
054        ((SLRootNode) parentRoot).setCloningAllowed(false);
055        return SLNull.SINGLETON;
056    }
057
058}