--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/InvokeWithExceptionNode.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,314 @@
+/*
+ * Copyright (c) 2011, 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 jdk.vm.ci.meta.JavaKind;
+
+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.NodeInfo;
+import org.graalvm.compiler.nodeinfo.Verbosity;
+import org.graalvm.compiler.nodes.extended.ForeignCallNode;
+import org.graalvm.compiler.nodes.java.MethodCallTargetNode;
+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 org.graalvm.word.LocationIdentity;
+
+import java.util.Map;
+
+import static org.graalvm.compiler.nodeinfo.InputType.Extension;
+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;
+
+@NodeInfo(nameTemplate = "Invoke!#{p#targetMethod/s}", allowedUsageTypes = {Memory}, cycles = CYCLES_UNKNOWN, size = SIZE_UNKNOWN)
+public final class InvokeWithExceptionNode extends ControlSplitNode implements Invoke, MemoryCheckpoint.Single, LIRLowerable, UncheckedInterfaceProvider {
+ public static final NodeClass<InvokeWithExceptionNode> TYPE = NodeClass.create(InvokeWithExceptionNode.class);
+
+ private static final double EXCEPTION_PROBA = 1e-5;
+
+ @Successor AbstractBeginNode next;
+ @Successor AbstractBeginNode exceptionEdge;
+ @OptionalInput ValueNode classInit;
+ @Input(Extension) CallTargetNode callTarget;
+ @OptionalInput(State) FrameState stateDuring;
+ @OptionalInput(State) FrameState stateAfter;
+ protected final int bci;
+ protected boolean polymorphic;
+ protected boolean useForInlining;
+ protected double exceptionProbability;
+
+ 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.useForInlining = true;
+ this.exceptionProbability = EXCEPTION_PROBA;
+ }
+
+ public AbstractBeginNode exceptionEdge() {
+ return exceptionEdge;
+ }
+
+ public void setExceptionEdge(AbstractBeginNode x) {
+ updatePredecessor(exceptionEdge, x);
+ exceptionEdge = x;
+ }
+
+ @Override
+ public AbstractBeginNode next() {
+ return next;
+ }
+
+ public void setNext(AbstractBeginNode x) {
+ updatePredecessor(next, x);
+ next = x;
+ }
+
+ @Override
+ public CallTargetNode callTarget() {
+ return callTarget;
+ }
+
+ void setCallTarget(CallTargetNode callTarget) {
+ updateUsages(this.callTarget, callTarget);
+ this.callTarget = callTarget;
+ }
+
+ public MethodCallTargetNode methodCallTarget() {
+ return (MethodCallTargetNode) 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 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(KillingBeginNode.begin(x, getLocationIdentity()));
+ } else {
+ this.setNext(null);
+ }
+ }
+
+ @Override
+ public void lower(LoweringTool tool) {
+ tool.getLowerer().lower(this, tool);
+ }
+
+ @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 getLocationIdentity() {
+ return LocationIdentity.any();
+ }
+
+ @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;
+ }
+
+ public void killExceptionEdge() {
+ AbstractBeginNode edge = exceptionEdge();
+ setExceptionEdge(null);
+ GraphUtil.killCFG(edge);
+ }
+
+ public void replaceWithNewBci(int newBci) {
+ AbstractBeginNode nextNode = next();
+ AbstractBeginNode exceptionObject = exceptionEdge;
+ setExceptionEdge(null);
+ setNext(null);
+ InvokeWithExceptionNode repl = graph().add(new InvokeWithExceptionNode(callTarget(), exceptionObject, newBci));
+ repl.setStateAfter(stateAfter);
+ this.setStateAfter(null);
+ this.replaceAtPredecessor(repl);
+ repl.setNext(nextNode);
+ boolean removed = this.callTarget().removeUsage(this);
+ assert removed;
+ this.replaceAtUsages(repl);
+ this.markDeleted();
+ }
+
+ @Override
+ public void intrinsify(Node node) {
+ assert !(node instanceof ValueNode) || (((ValueNode) node).getStackKind() == JavaKind.Void) == (getStackKind() == JavaKind.Void);
+ CallTargetNode call = callTarget;
+ FrameState state = stateAfter();
+ if (exceptionEdge != null) {
+ killExceptionEdge();
+ }
+ if (node instanceof StateSplit) {
+ StateSplit stateSplit = (StateSplit) node;
+ stateSplit.setStateAfter(state);
+ }
+ if (node instanceof ForeignCallNode) {
+ ForeignCallNode foreign = (ForeignCallNode) node;
+ foreign.setBci(bci());
+ }
+ if (node == null) {
+ assert getStackKind() == JavaKind.Void && hasNoUsages();
+ graph().removeSplit(this, next());
+ } else if (node instanceof ControlSinkNode) {
+ this.replaceAtPredecessor(node);
+ this.replaceAtUsages(null);
+ GraphUtil.killCFG(this);
+ return;
+ } else {
+ graph().replaceSplit(this, node, next());
+ }
+ GraphUtil.killWithUnusedFloatingInputs(call);
+ if (state.hasNoUsages()) {
+ GraphUtil.killWithUnusedFloatingInputs(state);
+ }
+ }
+
+ @Override
+ public double probability(AbstractBeginNode successor) {
+ return successor == next ? 1 - exceptionProbability : exceptionProbability;
+ }
+
+ @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 AbstractBeginNode getPrimarySuccessor() {
+ return this.next();
+ }
+
+ @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;
+ }
+
+ @Override
+ public boolean setProbability(AbstractBeginNode successor, double value) {
+ // Cannot set probability for exception invokes.
+ return false;
+ }
+
+ @Override
+ public int getSuccessorCount() {
+ return 2;
+ }
+
+ /**
+ * Replaces this InvokeWithExceptionNode with a normal InvokeNode. Kills the exception dispatch
+ * code.
+ */
+ public InvokeNode replaceWithInvoke() {
+ InvokeNode invokeNode = graph().add(new InvokeNode(callTarget, bci));
+ AbstractBeginNode oldException = this.exceptionEdge;
+ graph().replaceSplitWithFixed(this, invokeNode, this.next());
+ GraphUtil.killCFG(oldException);
+ return invokeNode;
+ }
+}