| /* |
| * Copyright (c) 2016, 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 org.graalvm.compiler.hotspot.nodes.aot; |
| |
| import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_3; |
| import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_3; |
| |
| import org.graalvm.compiler.common.PermanentBailoutException; |
| import org.graalvm.compiler.graph.Node; |
| import org.graalvm.compiler.graph.NodeClass; |
| import org.graalvm.compiler.graph.spi.Canonicalizable; |
| import org.graalvm.compiler.graph.spi.CanonicalizerTool; |
| import org.graalvm.compiler.hotspot.HotSpotLIRGenerator; |
| import org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction; |
| import org.graalvm.compiler.hotspot.word.KlassPointer; |
| import org.graalvm.compiler.hotspot.word.MethodPointer; |
| import org.graalvm.compiler.nodeinfo.NodeInfo; |
| import org.graalvm.compiler.nodes.FixedWithNextNode; |
| import org.graalvm.compiler.nodes.ValueNode; |
| import org.graalvm.compiler.nodes.spi.LIRLowerable; |
| import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; |
| import org.graalvm.compiler.nodes.util.GraphUtil; |
| |
| import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant; |
| import jdk.vm.ci.hotspot.HotSpotObjectConstant; |
| import jdk.vm.ci.meta.Constant; |
| import jdk.vm.ci.meta.Value; |
| |
| @NodeInfo(cycles = CYCLES_3, size = SIZE_3) |
| public class LoadConstantIndirectlyFixedNode extends FixedWithNextNode implements Canonicalizable, LIRLowerable { |
| |
| public static final NodeClass<LoadConstantIndirectlyFixedNode> TYPE = NodeClass.create(LoadConstantIndirectlyFixedNode.class); |
| |
| @OptionalInput protected ValueNode value; |
| protected Constant constant; |
| protected HotSpotConstantLoadAction action; |
| |
| public LoadConstantIndirectlyFixedNode(ValueNode value) { |
| super(TYPE, value.stamp().unrestricted()); |
| this.value = value; |
| this.constant = null; |
| this.action = HotSpotConstantLoadAction.RESOLVE; |
| } |
| |
| public LoadConstantIndirectlyFixedNode(ValueNode value, HotSpotConstantLoadAction action) { |
| super(TYPE, value.stamp().unrestricted()); |
| this.value = value; |
| this.constant = null; |
| this.action = action; |
| } |
| |
| @Override |
| public Node canonical(CanonicalizerTool tool) { |
| if (value != null) { |
| constant = GraphUtil.foldIfConstantAndRemove(this, value); |
| } |
| return this; |
| } |
| |
| @Override |
| public void generate(NodeLIRBuilderTool gen) { |
| assert constant != null : "Expected the value to fold: " + value; |
| Value result; |
| if (constant instanceof HotSpotObjectConstant) { |
| result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitLoadObjectAddress(constant); |
| } else if (constant instanceof HotSpotMetaspaceConstant) { |
| result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitLoadMetaspaceAddress(constant, action); |
| } else { |
| throw new PermanentBailoutException("Unsupported constant type: " + constant); |
| } |
| gen.setResult(this, result); |
| } |
| |
| @NodeIntrinsic |
| public static native KlassPointer loadKlass(KlassPointer klassPointer, @ConstantNodeParameter HotSpotConstantLoadAction action); |
| |
| @NodeIntrinsic |
| public static native KlassPointer loadKlass(KlassPointer klassPointer); |
| |
| @NodeIntrinsic |
| public static native MethodPointer loadMethod(MethodPointer klassPointer); |
| |
| @NodeIntrinsic |
| public static native Object loadObject(Object object); |
| |
| } |