Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ValuePhiNode.java @ 21400:33d3be2548d6
removed cache for intermediate graphs in ReplacementsImpl since graph building inlining is now used
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 15 May 2015 13:45:06 +0200 |
parents | af9d0db304e8 |
children |
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/* * Copyright (c) 2009, 2015, 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; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.type.*; /** * Value {@link PhiNode}s merge data flow values at control flow merges. */ @NodeInfo(nameTemplate = "\u03D5({i#values})") public class ValuePhiNode extends PhiNode { public static final NodeClass<ValuePhiNode> TYPE = NodeClass.create(ValuePhiNode.class); @Input protected NodeInputList<ValueNode> values; public ValuePhiNode(Stamp stamp, AbstractMergeNode merge) { this(TYPE, stamp, merge); } protected ValuePhiNode(NodeClass<? extends ValuePhiNode> c, Stamp stamp, AbstractMergeNode merge) { super(c, stamp, merge); assert stamp != StampFactory.forVoid(); values = new NodeInputList<>(this); } public ValuePhiNode(Stamp stamp, AbstractMergeNode merge, ValueNode[] values) { super(TYPE, stamp, merge); assert stamp != StampFactory.forVoid(); this.values = new NodeInputList<>(this, values); } @Override public NodeInputList<ValueNode> values() { return values; } @Override public boolean inferStamp() { Stamp valuesStamp = StampTool.meet(values()); if (stamp.isCompatible(valuesStamp)) { valuesStamp = stamp.join(valuesStamp); } return updateStamp(valuesStamp); } }