| /* |
| * 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 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.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.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; |
| |
| @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; |
| @OptionalInput(Guard) GuardingNode guard; |
| 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); |
| } |
| |
| @Override |
| public void intrinsify(Node node) { |
| assert !(node instanceof ValueNode) || (((ValueNode) node).getStackKind() == JavaKind.Void) == (getStackKind() == JavaKind.Void); |
| CallTargetNode call = callTarget; |
| FrameState state = stateAfter(); |
| 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 GuardingNode getGuard() { |
| return guard; |
| } |
| |
| @Override |
| public void setGuard(GuardingNode guard) { |
| updateUsagesInterface(this.guard, guard); |
| this.guard = guard; |
| } |
| |
| @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; |
| } |
| } |