Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizingNode.java @ 19205:f129bb0f4d0f
Make RedundantMoveElimination a LowLevelLowTierPhase.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Fri, 06 Feb 2015 17:16:35 +0100 |
parents | 6ae9af961b7c |
children |
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/* * Copyright (c) 2013, 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.nodes; import com.oracle.graal.nodes.spi.*; /** * Interface implemented by nodes which may need {@linkplain FrameState deoptimization information}. */ public interface DeoptimizingNode extends NodeWithState { /** * Determines if this node needs deoptimization information. */ boolean canDeoptimize(); /** * Interface for nodes that need a {@link FrameState} for deoptimizing to a point before their * execution. */ public interface DeoptBefore extends DeoptimizingNode { /** * Sets the {@link FrameState} describing the program state before the execution of this * node. */ void setStateBefore(FrameState state); FrameState stateBefore(); } /** * Interface for nodes that need a {@link FrameState} for deoptimizing to a point after their * execution. */ public interface DeoptAfter extends DeoptimizingNode, StateSplit { } /** * Interface for nodes that need a special {@link FrameState} for deoptimizing during their * execution (e.g. {@link Invoke}). */ public interface DeoptDuring extends DeoptimizingNode, StateSplit { FrameState stateDuring(); /** * Sets the {@link FrameState} describing the program state during the execution of this * node. */ void setStateDuring(FrameState state); /** * Compute the {@link FrameState} describing the program state during the execution of this * node from an input {@link FrameState} describing the program state after finishing the * execution of this node. */ void computeStateDuring(FrameState stateAfter); } }