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The GraalVM compiler and the Graal-truffle optimizer.
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/*
 * Copyright (c) 2011, 2023, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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
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 */
package jdk.graal.compiler.nodes;

import static jdk.graal.compiler.nodeinfo.InputType.Extension;
import static jdk.graal.compiler.nodeinfo.InputType.Memory;
import static jdk.graal.compiler.nodeinfo.InputType.State;
import static jdk.graal.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN;
import static jdk.graal.compiler.nodeinfo.NodeSize.SIZE_UNKNOWN;
import static jdk.graal.compiler.nodes.Invoke.CYCLES_UNKNOWN_RATIONALE;
import static jdk.graal.compiler.nodes.Invoke.SIZE_UNKNOWN_RATIONALE;

import java.util.Map;

import jdk.graal.compiler.core.common.type.Stamp;
import jdk.graal.compiler.graph.IterableNodeType;
import jdk.graal.compiler.graph.Node;
import jdk.graal.compiler.graph.NodeClass;
import jdk.graal.compiler.nodeinfo.NodeCycles;
import jdk.graal.compiler.nodeinfo.NodeInfo;
import jdk.graal.compiler.nodeinfo.NodeSize;
import jdk.graal.compiler.nodeinfo.Verbosity;
import jdk.graal.compiler.nodes.memory.SingleMemoryKill;
import jdk.graal.compiler.nodes.spi.LIRLowerable;
import jdk.graal.compiler.nodes.spi.NodeLIRBuilderTool;
import jdk.graal.compiler.nodes.spi.Simplifiable;
import jdk.graal.compiler.nodes.spi.SimplifierTool;
import jdk.graal.compiler.nodes.spi.UncheckedInterfaceProvider;
import jdk.graal.compiler.nodes.util.GraphUtil;
import org.graalvm.word.LocationIdentity;

import jdk.vm.ci.code.BytecodeFrame;

// @formatter:off
@NodeInfo(nameTemplate = "Invoke!#{p#targetMethod/s}",
          allowedUsageTypes = {Memory},
          cycles = CYCLES_UNKNOWN, cyclesRationale = CYCLES_UNKNOWN_RATIONALE,
          size   = SIZE_UNKNOWN,   sizeRationale   = SIZE_UNKNOWN_RATIONALE)
// @formatter:on
public final class InvokeWithExceptionNode extends WithExceptionNode implements Invoke, IterableNodeType, SingleMemoryKill, LIRLowerable, UncheckedInterfaceProvider, Simplifiable {
    public static final NodeClass TYPE = NodeClass.create(InvokeWithExceptionNode.class);

    @OptionalInput ValueNode classInit;
    @Input(Extension) CallTargetNode callTarget;
    @OptionalInput(State) FrameState stateDuring;
    @OptionalInput(State) FrameState stateAfter;
    protected int bci;
    protected boolean polymorphic;
    protected InlineControl inlineControl;
    private boolean isInOOMETry;

    public InvokeWithExceptionNode(CallTargetNode callTarget, AbstractBeginNode exceptionEdge, int bci) {
        super(TYPE, callTarget.returnStamp().getTrustedStamp());
        this.exceptionEdge = exceptionEdge;
        this.bci = bci;
        this.callTarget = callTarget;
        this.polymorphic = false;
        this.inlineControl = InlineControl.Normal;
    }

    @Override
    protected void afterClone(Node other) {
        updateInliningLogAfterClone(other);
    }

    @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 void setInlineControl(InlineControl control) {
        this.inlineControl = control;
    }

    @Override
    public InlineControl getInlineControl() {
        return inlineControl;
    }

    @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 setNext(FixedNode x) {
        if (x != null) {
            this.setNext(BeginNode.begin(x));
        } else {
            this.setNext(null);
        }
    }

    @Override
    public void generate(NodeLIRBuilderTool gen) {
        gen.emitInvoke(this);
    }

    @Override
    public FrameState stateAfter() {
        return stateAfter;
    }

    @Override
    public void setStateAfter(FrameState stateAfter) {
        updateUsages(this.stateAfter, stateAfter);
        this.stateAfter = stateAfter;
    }

    @Override
    public boolean hasSideEffect() {
        return true;
    }

    @Override
    public LocationIdentity getKilledLocationIdentity() {
        return LocationIdentity.any();
    }

    @Override
    public Map getDebugProperties(Map map) {
        Map debugProperties = super.getDebugProperties(map);
        if (callTarget != null) {
            debugProperties.put("targetMethod", callTarget.targetName());
        }
        return debugProperties;
    }

    @Override
    public void setBci(int newBci) {
        assert BytecodeFrame.isPlaceholderBci(bci) && !BytecodeFrame.isPlaceholderBci(newBci) : "can only replace placeholder with better bci";
        bci = newBci;
    }

    @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 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;
    }

    /**
     * Replaces this InvokeWithExceptionNode with a normal InvokeNode. Kills the exception dispatch
     * code.
     */
    @SuppressWarnings("try")
    public InvokeNode replaceWithInvoke() {
        try (InliningLog.UpdateScope updateScope = InliningLog.openUpdateScopeTrackingReplacement(graph().getInliningLog(), this)) {
            InvokeNode newInvoke = graph().add(new InvokeNode(callTarget, bci, stamp, this.getKilledLocationIdentity()));
            newInvoke.setStateAfter(stateAfter);
            newInvoke.setStateDuring(stateDuring);
            newInvoke.setInlineControl(inlineControl);
            AbstractBeginNode oldException = this.exceptionEdge;
            graph().replaceSplitWithFixed(this, newInvoke, this.next());
            GraphUtil.killCFG(oldException);
            // copy across any original node source position
            newInvoke.setNodeSourcePosition(getNodeSourcePosition());
            return newInvoke;
        }
    }

    @Override
    public InvokeNode replaceWithNonThrowing() {
        return replaceWithInvoke();
    }

    @Override
    public void simplify(SimplifierTool tool) {
        if (exceptionEdge() instanceof UnreachableBeginNode) {
            replaceWithInvoke();
        }
    }

    @Override
    public NodeCycles estimatedNodeCycles() {
        return InvokeNode.estimatedNodeCycles(callTarget);
    }

    @Override
    protected NodeSize dynamicNodeSizeEstimate() {
        return InvokeNode.estimatedNodeSize(callTarget);
    }

    @Override
    public boolean isInOOMETry() {
        return isInOOMETry;
    }

    @Override
    public void setInOOMETry(boolean isInOOMETry) {
        this.isInOOMETry = isInOOMETry;
    }
}