Mercurial > hg > truffle
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/LoadSnippetVarargParameterNode.java @ 11881:da9db8331658
moved Canonicalizable and Simplifiable to the com.oracle.graal.graph project (GRAAL-506)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 01 Oct 2013 20:38:25 +0200 |
parents | 9a747d8e0d0f |
children | 0774f3303c2e |
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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.replacements.nodes; import com.oracle.graal.graph.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.type.*; import com.oracle.graal.replacements.Snippet.*; /** * Implements the semantics of {@link VarargsParameter}. */ public final class LoadSnippetVarargParameterNode extends FixedWithNextNode implements Canonicalizable { @Input private ValueNode index; private final LocalNode[] locals; public LoadSnippetVarargParameterNode(LocalNode[] locals, ValueNode index, Stamp stamp) { super(stamp); this.index = index; this.locals = locals; } @Override public Node canonical(CanonicalizerTool tool) { if (index.isConstant()) { return locals[index.asConstant().asInt()]; } return this; } }