Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/InvokeNode.java @ 8956:74725f2f6122
Add a deoptState for invokes so that they can loose their stateAfter
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Tue, 09 Apr 2013 16:27:59 +0200 |
parents | 2c0c708a0ad6 |
children | 055d555d5378 |
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/* * Copyright (c) 2009, 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.*; /** * The {@code InvokeNode} represents all kinds of method calls. */ @NodeInfo(nameTemplate = "Invoke#{p#targetMethod/s}") public final class InvokeNode extends AbstractStateSplit implements StateSplit, Node.IterableNodeType, Invoke, LIRLowerable, MemoryCheckpoint { @Input private final CallTargetNode callTarget; @Input private FrameState deoptState; private final int bci; private boolean polymorphic; private boolean useForInlining; private double inliningRelevance; /** * Constructs a new Invoke instruction. * * @param bci the bytecode index of the original invoke (used for debug infos) * @param callTarget the target method being called */ public InvokeNode(CallTargetNode callTarget, int bci) { super(callTarget.returnStamp()); this.callTarget = callTarget; this.bci = bci; this.polymorphic = false; this.useForInlining = true; this.inliningRelevance = Double.NaN; } @Override public CallTargetNode callTarget() { return callTarget; } @Override public MethodCallTargetNode methodCallTarget() { return (MethodCallTargetNode) callTarget; } @Override public boolean isPolymorphic() { return polymorphic; } @Override public void setPolymorphic(boolean value) { this.polymorphic = value; } public boolean useForInlining() { return useForInlining; } @Override public void setUseForInlining(boolean value) { this.useForInlining = value; } @Override public double inliningRelevance() { return inliningRelevance; } @Override public void setInliningRelevance(double value) { inliningRelevance = value; } @Override public Map<Object, Object> getDebugProperties(Map<Object, Object> map) { Map<Object, Object> debugProperties = super.getDebugProperties(map); if (callTarget instanceof MethodCallTargetNode && methodCallTarget().targetMethod() != null) { debugProperties.put("targetMethod", methodCallTarget().targetMethod()); } else if (callTarget instanceof AbstractCallTargetNode) { debugProperties.put("targetMethod", ((AbstractCallTargetNode) callTarget).target()); } return debugProperties; } @Override public Object[] getLocationIdentities() { return new Object[]{LocationNode.ANY_LOCATION}; } @Override public void lower(LoweringTool tool) { tool.getRuntime().lower(this, tool); } @Override public void generate(LIRGeneratorTool 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); } } public int bci() { return bci; } @Override public FixedNode node() { return this; } @Override public FrameState stateDuring() { FrameState stateAfter = stateAfter(); FrameState stateDuring = stateAfter.duplicateModified(bci(), stateAfter.rethrowException(), kind()); stateDuring.setDuringCall(true); return stateDuring; } @Override public void intrinsify(Node node) { assert !(node instanceof ValueNode) || (((ValueNode) node).kind() == Kind.Void) == (kind() == Kind.Void); CallTargetNode call = callTarget; FrameState stateAfter = stateAfter(); if (node instanceof StateSplit) { StateSplit stateSplit = (StateSplit) node; stateSplit.setStateAfter(stateAfter); } if (node instanceof FixedWithNextNode) { ((StructuredGraph) graph()).replaceFixedWithFixed(this, (FixedWithNextNode) node); } else if (node instanceof DeoptimizeNode) { this.replaceAtPredecessor(node); this.replaceAtUsages(null); GraphUtil.killCFG(this); return; } else { ((StructuredGraph) graph()).replaceFixed(this, node); } call.safeDelete(); if (stateAfter.usages().isEmpty()) { stateAfter.safeDelete(); } } @Override public boolean canDeoptimize() { return true; } @Override public DeoptimizationReason getDeoptimizationReason() { return null; } @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 boolean isCallSiteDeoptimization() { return true; } }