Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.graph/src/com/oracle/graal/graph/spi/CanonicalizerTool.java @ 20826:a4aa2116cfe0
Support node canonicalization when not all usages of a node are known yet
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 08 Apr 2015 22:07:50 -0700 |
parents | 8ab925a6f724 |
children | 48c1ebd24120 |
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/* * Copyright (c) 2011, 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.graph.spi; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; public interface CanonicalizerTool { MetaAccessProvider getMetaAccess(); ConstantReflectionProvider getConstantReflection(); boolean canonicalizeReads(); /** * If this method returns false, not all {@link Node#usages() usages of a node} are yet * available. So a node must not be canonicalized base on, e.g., information returned from * {@link Node#hasNoUsages()}. */ boolean allUsagesAvailable(); }