Mercurial > hg > graal-compiler
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MacroStateSplitNode.java @ 16919:0fe4732e5181
made use of generated Node classes predicated on value of graal.useGeneratedNodes system property (default is false)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 Aug 2014 13:45:12 +0200 |
parents | f90dcdbbb75e |
children | 655f3e6b467b |
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/* * Copyright (c) 2013, 2014, 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.replacements.nodes; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.java.*; /** * This is an extension of {@link MacroNode} that is a {@link StateSplit} and a * {@link MemoryCheckpoint}. */ @NodeInfo public class MacroStateSplitNode extends MacroNode implements StateSplit, MemoryCheckpoint.Single { @OptionalInput(InputType.State) protected FrameState stateAfter; public static MacroStateSplitNode create(Invoke invoke) { return USE_GENERATED_NODES ? new MacroStateSplitNodeGen(invoke) : new MacroStateSplitNode(invoke); } protected MacroStateSplitNode(Invoke invoke) { super(invoke); this.stateAfter = invoke.stateAfter(); } @Override public FrameState stateAfter() { return stateAfter; } public void setStateAfter(FrameState x) { assert x == null || x.isAlive() : "frame state must be in a graph"; updateUsages(stateAfter, x); stateAfter = x; } public boolean hasSideEffect() { return true; } public LocationIdentity getLocationIdentity() { return LocationIdentity.ANY_LOCATION; } protected void replaceSnippetInvokes(StructuredGraph snippetGraph) { for (MethodCallTargetNode call : snippetGraph.getNodes(MethodCallTargetNode.class)) { Invoke invoke = call.invoke(); if (!call.targetMethod().equals(getTargetMethod())) { throw new GraalInternalError("unexpected invoke %s in snippet", getClass().getSimpleName()); } assert invoke.stateAfter().bci == BytecodeFrame.AFTER_BCI; // Here we need to fix the bci of the invoke InvokeNode newInvoke = snippetGraph.add(InvokeNode.create(invoke.callTarget(), getBci())); newInvoke.setStateAfter(invoke.stateAfter()); snippetGraph.replaceFixedWithFixed((InvokeNode) invoke.asNode(), newInvoke); } } }