Mercurial > hg > graal-compiler
view graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/IsCompilationConstantNode.java @ 17450:45b45f902bed
removed Node generation (GRAAL-857)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 15 Oct 2014 15:35:33 +0200 |
parents | 2834b4432586 |
children | f57d86eb036f |
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/* * Copyright (c) 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.truffle.nodes; import com.oracle.graal.graph.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.replacements.nodes.*; @NodeInfo public class IsCompilationConstantNode extends MacroStateSplitNode implements Canonicalizable { public static IsCompilationConstantNode create(Invoke invoke) { return new IsCompilationConstantNode(invoke); } protected IsCompilationConstantNode(Invoke invoke) { super(invoke); assert arguments.size() == 1; } @Override public void lower(LoweringTool tool) { /* Invoke will return false. */ replaceWithInvoke().lower(tool); } @Override public Node canonical(CanonicalizerTool tool) { ValueNode arg0 = arguments.get(0); if (arg0 instanceof BoxNode) { arg0 = ((BoxNode) arg0).getValue(); } if (arg0.isConstant()) { return ConstantNode.forBoolean(true); } return this; } }