001/* 002 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved. 003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 004 * 005 * This code is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU General Public License version 2 only, as 007 * published by the Free Software Foundation. 008 * 009 * This code is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 011 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 012 * version 2 for more details (a copy is included in the LICENSE file that 013 * accompanied this code). 014 * 015 * You should have received a copy of the GNU General Public License version 016 * 2 along with this work; if not, write to the Free Software Foundation, 017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 018 * 019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 020 * or visit www.oracle.com if you need additional information or have any 021 * questions. 022 */ 023package com.oracle.graal.lir.phases; 024 025import static com.oracle.graal.compiler.common.BackendOptions.UserOptions.*; 026 027import com.oracle.graal.lir.alloc.lsra.*; 028import com.oracle.graal.lir.alloc.trace.*; 029import com.oracle.graal.lir.dfa.*; 030import com.oracle.graal.lir.phases.AllocationPhase.AllocationContext; 031import com.oracle.graal.lir.stackslotalloc.*; 032 033public class AllocationStage extends LIRPhaseSuite<AllocationContext> { 034 public AllocationStage() { 035 appendPhase(new MarkBasePointersPhase()); 036 if (TraceRA.getValue()) { 037 appendPhase(new TraceRegisterAllocationPhase()); 038 } else { 039 appendPhase(new LinearScanPhase()); 040 } 041 042 // build frame map 043 if (LSStackSlotAllocator.Options.LIROptLSStackSlotAllocator.getValue()) { 044 appendPhase(new LSStackSlotAllocator()); 045 } else { 046 appendPhase(new SimpleStackSlotAllocator()); 047 } 048 // currently we mark locations only if we do register allocation 049 appendPhase(new LocationMarkerPhase()); 050 } 051}