Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/memory/FixedAccessNode.java @ 21522:28cbfacd0518
Merge
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Thu, 28 May 2015 17:44:05 +0200 |
parents | graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/FixedAccessNode.java@8fc336a04d77 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/FixedAccessNode.java@cba35d171cd1 |
children | a858c5f56d8a |
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/* * Copyright (c) 2011, 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.memory; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; /** * Accesses a value at an memory address specified by an {@linkplain #object object} and a * {@linkplain #accessLocation() location}. The access does not include a null check on the object. */ @NodeInfo public abstract class FixedAccessNode extends DeoptimizingFixedWithNextNode implements Access { public static final NodeClass<FixedAccessNode> TYPE = NodeClass.create(FixedAccessNode.class); @OptionalInput(InputType.Guard) protected GuardingNode guard; @Input protected ValueNode object; @Input(InputType.Association) protected ValueNode location; protected boolean nullCheck; protected BarrierType barrierType; public ValueNode object() { return object; } protected void setObject(ValueNode x) { updateUsages(object, x); object = x; } public LocationNode location() { return (LocationNode) location; } public LocationNode accessLocation() { return (LocationNode) location; } public boolean getNullCheck() { return nullCheck; } public void setNullCheck(boolean check) { this.nullCheck = check; } protected FixedAccessNode(NodeClass<? extends FixedAccessNode> c, ValueNode object, ValueNode location, Stamp stamp) { this(c, object, location, stamp, BarrierType.NONE); } protected FixedAccessNode(NodeClass<? extends FixedAccessNode> c, ValueNode object, ValueNode location, Stamp stamp, BarrierType barrierType) { this(c, object, location, stamp, null, barrierType, false, null); } protected FixedAccessNode(NodeClass<? extends FixedAccessNode> c, ValueNode object, ValueNode location, Stamp stamp, GuardingNode guard, BarrierType barrierType, boolean nullCheck, FrameState stateBefore) { super(c, stamp, stateBefore); this.object = object; this.location = location; this.guard = guard; this.barrierType = barrierType; this.nullCheck = nullCheck; } @Override public boolean canDeoptimize() { return nullCheck; } @Override public GuardingNode getGuard() { return guard; } @Override public void setGuard(GuardingNode guard) { updateUsagesInterface(this.guard, guard); this.guard = guard; } @Override public BarrierType getBarrierType() { return barrierType; } }