--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases/src/org/graalvm/compiler/phases/tiers/PhaseContext.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,81 @@
+/*
+ * 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.tiers;
+
+import org.graalvm.compiler.core.common.spi.ConstantFieldProvider;
+import org.graalvm.compiler.nodes.spi.LoweringProvider;
+import org.graalvm.compiler.nodes.spi.Replacements;
+import org.graalvm.compiler.nodes.spi.StampProvider;
+import org.graalvm.compiler.phases.util.Providers;
+
+import jdk.vm.ci.meta.ConstantReflectionProvider;
+import jdk.vm.ci.meta.MetaAccessProvider;
+
+public class PhaseContext {
+
+    private final MetaAccessProvider metaAccess;
+    private final ConstantReflectionProvider constantReflection;
+    private final ConstantFieldProvider constantFieldProvider;
+    private final LoweringProvider lowerer;
+    private final Replacements replacements;
+    private final StampProvider stampProvider;
+
+    public PhaseContext(MetaAccessProvider metaAccess, ConstantReflectionProvider constantReflection, ConstantFieldProvider constantFieldProvider, LoweringProvider lowerer, Replacements replacements,
+                    StampProvider stampProvider) {
+        this.metaAccess = metaAccess;
+        this.constantReflection = constantReflection;
+        this.constantFieldProvider = constantFieldProvider;
+        this.lowerer = lowerer;
+        this.replacements = replacements;
+        this.stampProvider = stampProvider;
+    }
+
+    public PhaseContext(Providers providers) {
+        this(providers.getMetaAccess(), providers.getConstantReflection(), providers.getConstantFieldProvider(), providers.getLowerer(), providers.getReplacements(), providers.getStampProvider());
+    }
+
+    public MetaAccessProvider getMetaAccess() {
+        return metaAccess;
+    }
+
+    public ConstantReflectionProvider getConstantReflection() {
+        return constantReflection;
+    }
+
+    public ConstantFieldProvider getConstantFieldProvider() {
+        return constantFieldProvider;
+    }
+
+    public LoweringProvider getLowerer() {
+        return lowerer;
+    }
+
+    public Replacements getReplacements() {
+        return replacements;
+    }
+
+    public StampProvider getStampProvider() {
+        return stampProvider;
+    }
+
+}