--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases/src/org/graalvm/compiler/phases/util/Providers.java	Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2013, 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.phases.util;
+
+import org.graalvm.compiler.core.common.spi.CodeGenProviders;
+import org.graalvm.compiler.core.common.spi.ConstantFieldProvider;
+import org.graalvm.compiler.core.common.spi.ForeignCallsProvider;
+import org.graalvm.compiler.nodes.spi.LoweringProvider;
+import org.graalvm.compiler.nodes.spi.NodeCostProvider;
+import org.graalvm.compiler.nodes.spi.Replacements;
+import org.graalvm.compiler.nodes.spi.StampProvider;
+import org.graalvm.compiler.phases.tiers.PhaseContext;
+
+import jdk.vm.ci.code.CodeCacheProvider;
+import jdk.vm.ci.meta.ConstantReflectionProvider;
+import jdk.vm.ci.meta.MetaAccessProvider;
+
+/**
+ * A set of providers, some of which may not be present (i.e., null).
+ */
+public class Providers implements CodeGenProviders {
+
+    private final MetaAccessProvider metaAccess;
+    private final CodeCacheProvider codeCache;
+    private final LoweringProvider lowerer;
+    private final ConstantReflectionProvider constantReflection;
+    private final ConstantFieldProvider constantFieldProvider;
+    private final ForeignCallsProvider foreignCalls;
+    private final Replacements replacements;
+    private final StampProvider stampProvider;
+    private final NodeCostProvider nodeCostProvider;
+
+    public Providers(MetaAccessProvider metaAccess, CodeCacheProvider codeCache, ConstantReflectionProvider constantReflection, ConstantFieldProvider constantFieldProvider,
+                    ForeignCallsProvider foreignCalls, LoweringProvider lowerer, Replacements replacements, StampProvider stampProvider, NodeCostProvider nodeCostProvider) {
+        this.metaAccess = metaAccess;
+        this.codeCache = codeCache;
+        this.constantReflection = constantReflection;
+        this.constantFieldProvider = constantFieldProvider;
+        this.foreignCalls = foreignCalls;
+        this.lowerer = lowerer;
+        this.replacements = replacements;
+        this.stampProvider = stampProvider;
+        this.nodeCostProvider = nodeCostProvider;
+    }
+
+    public Providers(Providers copyFrom) {
+        this(copyFrom.getMetaAccess(), copyFrom.getCodeCache(), copyFrom.getConstantReflection(), copyFrom.getConstantFieldProvider(), copyFrom.getForeignCalls(), copyFrom.getLowerer(),
+                        copyFrom.getReplacements(), copyFrom.getStampProvider(), copyFrom.getNodeCostProvider());
+    }
+
+    public Providers(PhaseContext copyFrom) {
+        this(copyFrom.getMetaAccess(), null, copyFrom.getConstantReflection(), copyFrom.getConstantFieldProvider(), null, copyFrom.getLowerer(), copyFrom.getReplacements(),
+                        copyFrom.getStampProvider(), copyFrom.getNodeCostProvider());
+    }
+
+    @Override
+    public MetaAccessProvider getMetaAccess() {
+        return metaAccess;
+    }
+
+    @Override
+    public CodeCacheProvider getCodeCache() {
+        return codeCache;
+    }
+
+    @Override
+    public ForeignCallsProvider getForeignCalls() {
+        return foreignCalls;
+    }
+
+    public LoweringProvider getLowerer() {
+        return lowerer;
+    }
+
+    @Override
+    public ConstantReflectionProvider getConstantReflection() {
+        return constantReflection;
+    }
+
+    public ConstantFieldProvider getConstantFieldProvider() {
+        return constantFieldProvider;
+    }
+
+    public Replacements getReplacements() {
+        return replacements;
+    }
+
+    public StampProvider getStampProvider() {
+        return stampProvider;
+    }
+
+    public NodeCostProvider getNodeCostProvider() {
+        return nodeCostProvider;
+    }
+
+    public Providers copyWith(MetaAccessProvider substitution) {
+        return new Providers(substitution, codeCache, constantReflection, constantFieldProvider, foreignCalls, lowerer, replacements, stampProvider, nodeCostProvider);
+    }
+
+    public Providers copyWith(CodeCacheProvider substitution) {
+        return new Providers(metaAccess, substitution, constantReflection, constantFieldProvider, foreignCalls, lowerer, replacements, stampProvider, nodeCostProvider);
+    }
+
+    public Providers copyWith(ConstantReflectionProvider substitution) {
+        return new Providers(metaAccess, codeCache, substitution, constantFieldProvider, foreignCalls, lowerer, replacements, stampProvider, nodeCostProvider);
+    }
+
+    public Providers copyWith(ConstantFieldProvider substitution) {
+        return new Providers(metaAccess, codeCache, constantReflection, substitution, foreignCalls, lowerer, replacements, stampProvider, nodeCostProvider);
+    }
+
+    public Providers copyWith(ForeignCallsProvider substitution) {
+        return new Providers(metaAccess, codeCache, constantReflection, constantFieldProvider, substitution, lowerer, replacements, stampProvider, nodeCostProvider);
+    }
+
+    public Providers copyWith(LoweringProvider substitution) {
+        return new Providers(metaAccess, codeCache, constantReflection, constantFieldProvider, foreignCalls, substitution, replacements, stampProvider, nodeCostProvider);
+    }
+
+    public Providers copyWith(Replacements substitution) {
+        return new Providers(metaAccess, codeCache, constantReflection, constantFieldProvider, foreignCalls, lowerer, substitution, stampProvider, nodeCostProvider);
+    }
+
+    public Providers copyWith(StampProvider substitution) {
+        return new Providers(metaAccess, codeCache, constantReflection, constantFieldProvider, foreignCalls, lowerer, replacements, substitution, nodeCostProvider);
+    }
+}