| /* |
| * Copyright (c) 2011, 2016, 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 org.graalvm.compiler.nodes.spi; |
| |
| import org.graalvm.compiler.core.common.spi.ConstantFieldProvider; |
| import org.graalvm.compiler.nodes.FixedNode; |
| import org.graalvm.compiler.nodes.FixedWithNextNode; |
| import org.graalvm.compiler.nodes.LogicNode; |
| import org.graalvm.compiler.nodes.extended.AnchoringNode; |
| import org.graalvm.compiler.nodes.extended.GuardingNode; |
| |
| import jdk.vm.ci.meta.ConstantReflectionProvider; |
| import jdk.vm.ci.meta.DeoptimizationAction; |
| import jdk.vm.ci.meta.DeoptimizationReason; |
| import jdk.vm.ci.meta.JavaConstant; |
| import jdk.vm.ci.meta.MetaAccessProvider; |
| |
| public interface LoweringTool { |
| |
| MetaAccessProvider getMetaAccess(); |
| |
| LoweringProvider getLowerer(); |
| |
| ConstantReflectionProvider getConstantReflection(); |
| |
| ConstantFieldProvider getConstantFieldProvider(); |
| |
| Replacements getReplacements(); |
| |
| StampProvider getStampProvider(); |
| |
| NodeCostProvider getNodeCostProvider(); |
| |
| GuardingNode createGuard(FixedNode before, LogicNode condition, DeoptimizationReason deoptReason, DeoptimizationAction action); |
| |
| GuardingNode createGuard(FixedNode before, LogicNode condition, DeoptimizationReason deoptReason, DeoptimizationAction action, JavaConstant speculation, boolean negated); |
| |
| /** |
| * Gets the closest fixed node preceding the node currently being lowered. |
| */ |
| FixedWithNextNode lastFixedNode(); |
| |
| AnchoringNode getCurrentGuardAnchor(); |
| |
| /** |
| * Marker interface lowering stages. |
| */ |
| interface LoweringStage { |
| } |
| |
| /** |
| * The lowering stages used in a standard Graal phase plan. Lowering is called 3 times, during |
| * every tier of compilation. |
| */ |
| enum StandardLoweringStage implements LoweringStage { |
| HIGH_TIER, |
| MID_TIER, |
| LOW_TIER |
| } |
| |
| /** |
| * Returns current lowering stage. |
| */ |
| LoweringStage getLoweringStage(); |
| } |