1/* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2017, Red Hat Inc. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24package org.graalvm.compiler.hotspot.meta; 25 26import java.util.ListIterator; 27 28import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 29import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider; 30import org.graalvm.compiler.options.OptionValues; 31import org.graalvm.compiler.phases.BasePhase; 32import org.graalvm.compiler.phases.common.AddressLoweringPhase; 33import org.graalvm.compiler.phases.common.ExpandLogicPhase; 34import org.graalvm.compiler.phases.common.FixReadsPhase; 35import org.graalvm.compiler.phases.tiers.LowTierContext; 36import org.graalvm.compiler.phases.tiers.Suites; 37import org.graalvm.compiler.phases.tiers.SuitesCreator; 38 39/** 40 * Subclass to factor out management of address lowering. 41 */ 42public class AddressLoweringHotSpotSuitesProvider extends HotSpotSuitesProvider { 43 44 private final AddressLoweringPhase.AddressLowering addressLowering; 45 46 public AddressLoweringHotSpotSuitesProvider(SuitesCreator defaultSuitesCreator, GraalHotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime, 47 AddressLoweringPhase.AddressLowering addressLowering) { 48 super(defaultSuitesCreator, config, runtime); 49 this.addressLowering = addressLowering; 50 } 51 52 @Override 53 public Suites createSuites(OptionValues options) { 54 Suites suites = super.createSuites(options); 55 56 ListIterator<BasePhase<? super LowTierContext>> findPhase = suites.getLowTier().findPhase(FixReadsPhase.class); 57 if (findPhase == null) { 58 findPhase = suites.getLowTier().findPhase(ExpandLogicPhase.class); 59 } 60 findPhase.add(new AddressLoweringPhase(addressLowering)); 61 62 return suites; 63 } 64} 65