--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/nodes/aot/ResolveMethodAndLoadCountersStubCall.java 2016-12-07 13:50:31.926190557 -0800 @@ -0,0 +1,92 @@ +/* + * 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 jdk.vm.ci.meta.Constant; +import jdk.vm.ci.meta.Value; + +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN; +import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_20; + +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.nodes.DeoptimizingStubCall; +import org.graalvm.compiler.hotspot.nodes.type.MethodCountersPointerStamp; +import org.graalvm.compiler.hotspot.word.KlassPointer; +import org.graalvm.compiler.hotspot.word.MethodCountersPointer; +import org.graalvm.compiler.hotspot.word.MethodPointer; +import org.graalvm.compiler.lir.LIRFrameState; +import org.graalvm.compiler.nodeinfo.NodeInfo; +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; + +/** + * A call to the VM via a regular stub. + */ +@NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_20) +public class ResolveMethodAndLoadCountersStubCall extends DeoptimizingStubCall implements Canonicalizable, LIRLowerable { + public static final NodeClass TYPE = NodeClass.create(ResolveMethodAndLoadCountersStubCall.class); + + @OptionalInput protected ValueNode method; + @Input protected ValueNode klassHint; + @Input protected ValueNode methodDescription; + protected Constant methodConstant; + + public ResolveMethodAndLoadCountersStubCall(ValueNode method, ValueNode klassHint, ValueNode methodDescription) { + super(TYPE, MethodCountersPointerStamp.methodCountersNonNull()); + this.klassHint = klassHint; + this.method = method; + this.methodDescription = methodDescription; + } + + @NodeIntrinsic + public static native MethodCountersPointer resolveMethodAndLoadCounters(MethodPointer method, KlassPointer klassHint, Object methodDescription); + + @Override + public Node canonical(CanonicalizerTool tool) { + if (method != null) { + methodConstant = GraphUtil.foldIfConstantAndRemove(this, method); + } + return this; + } + + @Override + public void generate(NodeLIRBuilderTool gen) { + assert methodConstant != null : "Expected method to fold: " + method; + + Value methodDescriptionValue = gen.operand(methodDescription); + Value klassHintValue = gen.operand(klassHint); + LIRFrameState fs = gen.state(this); + assert fs != null : "The stateAfter is null"; + + Value result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitResolveMethodAndLoadCounters(methodConstant, klassHintValue, methodDescriptionValue, fs); + + gen.setResult(this, result); + } + +}