| /* |
| * Copyright (c) 2009, 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.nodes; |
| |
| import static org.graalvm.compiler.nodeinfo.InputType.Extension; |
| import static org.graalvm.compiler.nodeinfo.InputType.Guard; |
| import static org.graalvm.compiler.nodeinfo.InputType.Memory; |
| import static org.graalvm.compiler.nodeinfo.InputType.State; |
| import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN; |
| import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_UNKNOWN; |
| |
| import java.util.Map; |
| |
| import org.graalvm.compiler.core.common.LocationIdentity; |
| import org.graalvm.compiler.core.common.type.Stamp; |
| import org.graalvm.compiler.graph.Node; |
| import org.graalvm.compiler.graph.NodeClass; |
| import org.graalvm.compiler.nodeinfo.InputType; |
| import org.graalvm.compiler.nodeinfo.NodeInfo; |
| import org.graalvm.compiler.nodeinfo.Verbosity; |
| import org.graalvm.compiler.nodes.extended.ForeignCallNode; |
| import org.graalvm.compiler.nodes.extended.GuardingNode; |
| import org.graalvm.compiler.nodes.java.MethodCallTargetNode; |
| import org.graalvm.compiler.nodes.memory.AbstractMemoryCheckpoint; |
| import org.graalvm.compiler.nodes.memory.MemoryCheckpoint; |
| import org.graalvm.compiler.nodes.spi.LIRLowerable; |
| import org.graalvm.compiler.nodes.spi.LoweringTool; |
| import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; |
| import org.graalvm.compiler.nodes.spi.UncheckedInterfaceProvider; |
| import org.graalvm.compiler.nodes.util.GraphUtil; |
| |
| import jdk.vm.ci.meta.JavaKind; |
| |
| /** |
| * The {@code InvokeNode} represents all kinds of method calls. |
| */ |
| // @formatter:off |
| @NodeInfo(nameTemplate = "Invoke#{p#targetMethod/s}", |
| allowedUsageTypes = {Memory}, |
| cycles = CYCLES_UNKNOWN, |
| cyclesRationale = "We cannot estimate the runtime cost of a call, it is a blackhole." + |
| "However, we can estimate, dyanmically, the cost of the call operation itself based on the type of the call.", |
| size = SIZE_UNKNOWN, |
| sizeRationale = "We can only dyanmically, based on the type of the call (special, static, virtual, interface) decide" + |
| "how much code is generated for the call.") |
| // @formatter:on |
| public final class InvokeNode extends AbstractMemoryCheckpoint implements Invoke, LIRLowerable, MemoryCheckpoint.Single, UncheckedInterfaceProvider { |
| public static final NodeClass<InvokeNode> TYPE = NodeClass.create(InvokeNode.class); |
| |
| @OptionalInput ValueNode classInit; |
| @Input(Extension) CallTargetNode callTarget; |
| @OptionalInput(State) FrameState stateDuring; |
| @OptionalInput(Guard) GuardingNode guard; |
| protected final int bci; |
| protected boolean polymorphic; |
| protected boolean useForInlining; |
| |
| public InvokeNode(CallTargetNode callTarget, int bci) { |
| this(callTarget, bci, callTarget.returnStamp().getTrustedStamp()); |
| } |
| |
| public InvokeNode(CallTargetNode callTarget, int bci, Stamp stamp) { |
| super(TYPE, stamp); |
| this.callTarget = callTarget; |
| this.bci = bci; |
| this.polymorphic = false; |
| this.useForInlining = true; |
| } |
| |
| @Override |
| public CallTargetNode callTarget() { |
| return callTarget; |
| } |
| |
| void setCallTarget(CallTargetNode callTarget) { |
| updateUsages(this.callTarget, callTarget); |
| this.callTarget = callTarget; |
| } |
| |
| @Override |
| public boolean isPolymorphic() { |
| return polymorphic; |
| } |
| |
| @Override |
| public void setPolymorphic(boolean value) { |
| this.polymorphic = value; |
| } |
| |
| @Override |
| public boolean useForInlining() { |
| return useForInlining; |
| } |
| |
| @Override |
| public void setUseForInlining(boolean value) { |
| this.useForInlining = value; |
| } |
| |
| @Override |
| public boolean isAllowedUsageType(InputType type) { |
| if (!super.isAllowedUsageType(type)) { |
| if (getStackKind() != JavaKind.Void) { |
| if (callTarget instanceof MethodCallTargetNode && ((MethodCallTargetNode) callTarget).targetMethod().getAnnotation(NodeIntrinsic.class) != null) { |
| return true; |
| } |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public Map<Object, Object> getDebugProperties(Map<Object, Object> map) { |
| Map<Object, Object> debugProperties = super.getDebugProperties(map); |
| if (callTarget != null) { |
| debugProperties.put("targetMethod", callTarget.targetName()); |
| } |
| return debugProperties; |
| } |
| |
| @Override |
| public LocationIdentity getLocationIdentity() { |
| return LocationIdentity.any(); |
| } |
| |
| @Override |
| public void lower(LoweringTool tool) { |
| tool.getLowerer().lower(this, tool); |
| } |
| |
| @Override |
| public void generate(NodeLIRBuilderTool gen) { |
| gen.emitInvoke(this); |
| } |
| |
| @Override |
| public String toString(Verbosity verbosity) { |
| if (verbosity == Verbosity.Long) { |
| return super.toString(Verbosity.Short) + "(bci=" + bci() + ")"; |
| } else if (verbosity == Verbosity.Name) { |
| return "Invoke#" + (callTarget == null ? "null" : callTarget().targetName()); |
| } else { |
| return super.toString(verbosity); |
| } |
| } |
| |
| @Override |
| public int bci() { |
| return bci; |
| } |
| |
| @Override |
| public void intrinsify(Node node) { |
| assert !(node instanceof ValueNode) || node.isAllowedUsageType(InputType.Value) == isAllowedUsageType(InputType.Value) : "replacing " + this + " with " + node; |
| CallTargetNode call = callTarget; |
| FrameState currentStateAfter = stateAfter(); |
| if (node instanceof StateSplit) { |
| StateSplit stateSplit = (StateSplit) node; |
| stateSplit.setStateAfter(currentStateAfter); |
| } |
| if (node instanceof ForeignCallNode) { |
| ForeignCallNode foreign = (ForeignCallNode) node; |
| foreign.setBci(bci()); |
| } |
| if (node instanceof FixedWithNextNode) { |
| graph().replaceFixedWithFixed(this, (FixedWithNextNode) node); |
| } else if (node instanceof ControlSinkNode) { |
| this.replaceAtPredecessor(node); |
| this.replaceAtUsages(null); |
| GraphUtil.killCFG(this); |
| return; |
| } else { |
| graph().replaceFixed(this, node); |
| } |
| GraphUtil.killWithUnusedFloatingInputs(call); |
| if (currentStateAfter.hasNoUsages()) { |
| GraphUtil.killWithUnusedFloatingInputs(currentStateAfter); |
| } |
| } |
| |
| @Override |
| public boolean canDeoptimize() { |
| return true; |
| } |
| |
| @Override |
| public FrameState stateDuring() { |
| return stateDuring; |
| } |
| |
| @Override |
| public void setStateDuring(FrameState stateDuring) { |
| updateUsages(this.stateDuring, stateDuring); |
| this.stateDuring = stateDuring; |
| } |
| |
| @Override |
| public GuardingNode getGuard() { |
| return guard; |
| } |
| |
| @Override |
| public void setGuard(GuardingNode guard) { |
| updateUsagesInterface(this.guard, guard); |
| this.guard = guard; |
| } |
| |
| @Override |
| public Stamp uncheckedStamp() { |
| return this.callTarget.returnStamp().getUncheckedStamp(); |
| } |
| |
| @Override |
| public void setClassInit(ValueNode classInit) { |
| this.classInit = classInit; |
| updateUsages(null, classInit); |
| } |
| |
| @Override |
| public ValueNode classInit() { |
| return classInit; |
| } |
| } |
