Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/UnaryArithmeticNode.java @ 18646:290dc460feb3
use better types to simplify instantiation of Serializable lambdas
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 08 Dec 2014 20:41:28 +0100 |
parents | 47263ffe47bd |
children | 9220566922ab |
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/* * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.nodes.calc; import java.io.*; import java.util.function.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.compiler.common.type.ArithmeticOpTable.UnaryOp; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; @NodeInfo public abstract class UnaryArithmeticNode<OP> extends UnaryNode implements ArithmeticLIRLowerable { protected interface SerializableUnaryFunction<T> extends Function<ArithmeticOpTable, UnaryOp<T>>, Serializable { } protected final SerializableUnaryFunction<OP> getOp; protected UnaryArithmeticNode(SerializableUnaryFunction<OP> getOp, ValueNode value) { super(getOp.apply(ArithmeticOpTable.forStamp(value.stamp())).foldStamp(value.stamp()), value); this.getOp = getOp; } protected final UnaryOp<OP> getOp(ValueNode forValue) { return getOp.apply(ArithmeticOpTable.forStamp(forValue.stamp())); } @Override public boolean inferStamp() { return updateStamp(getOp(getValue()).foldStamp(getValue().stamp())); } @Override public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) { if (forValue.isConstant()) { return ConstantNode.forPrimitive(stamp(), getOp(forValue).foldConstant(forValue.asConstant())); } return this; } }