Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/InvokeWithExceptionNode.java @ 11956:8a6d0cd7971b
Label: allocate ArrayList lazily
author | Bernhard Urban <bernhard.urban@jku.at> |
---|---|
date | Thu, 10 Oct 2013 13:03:26 +0200 |
parents | 762dc2f23d1c |
children | 23ccaa863eda |
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/* * Copyright (c) 2011, 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 com.oracle.graal.nodes; import java.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.java.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.util.*; @NodeInfo(nameTemplate = "Invoke!#{p#targetMethod/s}") public class InvokeWithExceptionNode extends ControlSplitNode implements IterableNodeType, Invoke, MemoryCheckpoint.Single, LIRLowerable { private static final double EXCEPTION_PROBA = 1e-5; @Successor private AbstractBeginNode next; @Successor private DispatchBeginNode exceptionEdge; @Input private CallTargetNode callTarget; @Input private FrameState deoptState; @Input private FrameState stateAfter; @Input private GuardingNode guard; private final int bci; private boolean polymorphic; private boolean useForInlining; private double exceptionProbability; public InvokeWithExceptionNode(CallTargetNode callTarget, DispatchBeginNode exceptionEdge, int bci) { super(callTarget.returnStamp()); this.exceptionEdge = exceptionEdge; this.bci = bci; this.callTarget = callTarget; this.polymorphic = false; this.useForInlining = true; this.exceptionProbability = EXCEPTION_PROBA; } public DispatchBeginNode exceptionEdge() { return exceptionEdge; } public void setExceptionEdge(DispatchBeginNode x) { updatePredecessor(exceptionEdge, x); exceptionEdge = x; } public AbstractBeginNode next() { return next; } public void setNext(AbstractBeginNode x) { updatePredecessor(next, x); next = x; } public CallTargetNode callTarget() { return 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); } } 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.getRuntime().lower(this, tool); } @Override public void generate(LIRGeneratorTool gen) { gen.emitInvoke(this); } public FrameState stateAfter() { return stateAfter; } public void setStateAfter(FrameState stateAfter) { updateUsages(this.stateAfter, stateAfter); this.stateAfter = stateAfter; } public boolean hasSideEffect() { return true; } @Override public LocationIdentity getLocationIdentity() { return LocationIdentity.ANY_LOCATION; } public FrameState stateDuring() { FrameState tempStateAfter = stateAfter(); FrameState stateDuring = tempStateAfter.duplicateModified(bci(), tempStateAfter.rethrowException(), kind()); stateDuring.setDuringCall(true); return stateDuring; } @Override public Map<Object, Object> getDebugProperties(Map<Object, Object> map) { Map<Object, Object> debugProperties = super.getDebugProperties(map); 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).kind() == Kind.Void) == (kind() == Kind.Void); CallTargetNode call = callTarget; FrameState state = stateAfter(); killExceptionEdge(); if (node instanceof StateSplit) { StateSplit stateSplit = (StateSplit) node; stateSplit.setStateAfter(state); } if (node == null) { assert kind() == Kind.Void && usages().isEmpty(); 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()); } call.safeDelete(); if (state.usages().isEmpty()) { state.safeDelete(); } } @Override public double probability(AbstractBeginNode successor) { return successor == next ? 1 - exceptionProbability : exceptionProbability; } @Override public void setProbability(AbstractBeginNode successor, double value) { assert successor == next || successor == exceptionEdge; this.exceptionProbability = successor == next ? 1 - value : value; } @Override public boolean canDeoptimize() { return true; } @Override public FrameState getDeoptimizationState() { if (deoptState == null) { FrameState stateDuring = stateDuring(); updateUsages(deoptState, stateDuring); deoptState = stateDuring; } return deoptState; } @Override public void setDeoptimizationState(FrameState f) { throw new IllegalStateException(); } @Override public GuardingNode getGuard() { return guard; } @Override public void setGuard(GuardingNode guard) { updateUsages(this.guard == null ? null : this.guard.asNode(), guard == null ? null : guard.asNode()); this.guard = guard; } @Override public FrameState getState() { if (deoptState != null) { assert stateAfter() == null; return deoptState; } else { return stateAfter(); } } }