--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases/src/org/graalvm/compiler/phases/tiers/MidTierContext.java	2017-02-15 17:08:31.997595245 -0800
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2013, 2015, 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.phases.OptimisticOptimizations;
+import org.graalvm.compiler.phases.util.Providers;
+
+import jdk.vm.ci.code.TargetDescription;
+import jdk.vm.ci.meta.ProfilingInfo;
+
+public class MidTierContext extends PhaseContext {
+
+    private final TargetProvider target;
+    private final OptimisticOptimizations optimisticOpts;
+    private final ProfilingInfo profilingInfo;
+
+    public MidTierContext(Providers copyFrom, TargetProvider target, OptimisticOptimizations optimisticOpts, ProfilingInfo profilingInfo) {
+        super(copyFrom);
+        this.target = target;
+        this.optimisticOpts = optimisticOpts;
+        this.profilingInfo = profilingInfo;
+    }
+
+    public TargetDescription getTarget() {
+        return target.getTarget();
+    }
+
+    public TargetProvider getTargetProvider() {
+        return target;
+    }
+
+    public OptimisticOptimizations getOptimisticOptimizations() {
+        return optimisticOpts;
+    }
+
+    public ProfilingInfo getProfilingInfo() {
+        return profilingInfo;
+    }
+}