Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StateSplit.java @ 6546:79119bd2505a
Call target can be null, so don't crash debug printer
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 10 Oct 2012 20:29:07 -0700 |
parents | feb579677b58 |
children | 5e3d1a68664e |
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/* * Copyright (c) 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.nodes; /** * A state split is a node that may have a frame state associated with it. */ public interface StateSplit { /** * Gets the state of the JVM frame after execution of this node. */ FrameState stateAfter(); /** * Sets the state of the JVM frame after execution of this node. */ void setStateAfter(FrameState x); /** * Determines if this node has a side-effect. Execution of such a node changes * state visible to other threads. These nodes denote boundaries across which deoptimization * points cannot be moved. */ boolean hasSideEffect(); }