Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/AheadOfTimeVerifcationPhase.java @ 10015:deb5bd841422
aot: add verification phase
author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Wed, 12 Jun 2013 17:24:20 +0200 |
parents | |
children | 56fc40ca4ae0 |
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/* * Copyright (c) 2013, 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.hotspot.phases; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.*; import com.oracle.graal.phases.*; public class AheadOfTimeVerifcationPhase extends VerifyPhase { @Override protected boolean verify(StructuredGraph graph) { for (ConstantNode node : graph.getNodes().filter(ConstantNode.class)) { assert !isOop(node) || isNullReference(node) || isString(node) : "embedded oop: " + node; } return true; } private static boolean isOop(ConstantNode node) { return node.kind() == Kind.Object; } private static boolean isNullReference(ConstantNode node) { return isOop(node) && node.asConstant().asObject() == null; } private static boolean isString(ConstantNode node) { return isOop(node) && node.asConstant().asObject() instanceof String; } }