Mercurial > hg > graal-compiler
view graal/com.oracle.graal.phases/src/com/oracle/graal/phases/PhasePlan.java @ 13175:85b60abfd11f
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author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Mon, 25 Nov 2013 15:31:20 -0800 |
parents | 963a090eb1d8 |
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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.phases; import java.util.*; import com.oracle.graal.nodes.*; /** * Tells the compiler about additional phases that need to be executed during compilation. */ public class PhasePlan { // @formatter:off /** * The compilation is split into the following sections: * ======================================================================== * Period 1: High-level nodes. (Graph building) * ======================================================================== * Runtime-specific lowering. * ======================================================================== * Period 2: Mid-level nodes. (Memory dependence graph) * ======================================================================== * Target-specific lowering, de-SSA. * ======================================================================== * Period 3: Low-level nodes. (Register allocation, code generation) * ======================================================================== * * A compiler extension phase can chose to run at the end of periods 1-3. */ public static enum PhasePosition { AFTER_PARSING } // @formatter:on @SuppressWarnings("unchecked") private final ArrayList<Phase>[] phases = new ArrayList[PhasePosition.values().length]; public void addPhase(PhasePosition pos, Phase phase) { if (phases[pos.ordinal()] == null) { phases[pos.ordinal()] = new ArrayList<>(); } phases[pos.ordinal()].add(phase); } public void runPhases(PhasePosition pos, StructuredGraph graph) { if (phases[pos.ordinal()] != null) { for (Phase p : phases[pos.ordinal()]) { p.apply(graph); } } } }