1 /* 2 * Copyright (c) 2017, 2018, 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 */ 24 25 26 package org.graalvm.compiler.hotspot.meta; 27 28 import java.util.ListIterator; 29 30 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 31 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider; 32 import org.graalvm.compiler.options.OptionValues; 33 import org.graalvm.compiler.phases.BasePhase; 34 import org.graalvm.compiler.phases.Phase; 35 import org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase; 36 import org.graalvm.compiler.phases.schedule.SchedulePhase; 37 import org.graalvm.compiler.phases.tiers.LowTierContext; 38 import org.graalvm.compiler.phases.tiers.Suites; 39 import org.graalvm.compiler.phases.tiers.SuitesCreator; 40 41 /** 42 * Subclass to factor out management of address lowering. 43 */ 44 public class AddressLoweringHotSpotSuitesProvider extends HotSpotSuitesProvider { 45 46 private final Phase addressLowering; 47 48 public AddressLoweringHotSpotSuitesProvider(SuitesCreator defaultSuitesCreator, GraalHotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime, 49 Phase addressLowering) { 50 super(defaultSuitesCreator, config, runtime); 51 this.addressLowering = addressLowering; 52 } 53 54 @Override 55 public Suites createSuites(OptionValues options) { 56 Suites suites = super.createSuites(options); 57 58 ListIterator<BasePhase<? super LowTierContext>> findPhase = suites.getLowTier().findPhase(UseTrappingNullChecksPhase.class); 59 if (findPhase == null) { 60 findPhase = suites.getLowTier().findPhase(SchedulePhase.class); 61 } 62 findPhase.previous(); 63 findPhase.add(addressLowering); 64 65 return suites; 66 } 67 }