--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/phases/HighTier.java	Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,120 @@
+/*
+ * 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.core.phases;
+
+import static org.graalvm.compiler.core.common.GraalOptions.ConditionalElimination;
+import static org.graalvm.compiler.core.common.GraalOptions.FullUnroll;
+import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode;
+import static org.graalvm.compiler.core.common.GraalOptions.LoopPeeling;
+import static org.graalvm.compiler.core.common.GraalOptions.LoopUnswitch;
+import static org.graalvm.compiler.core.common.GraalOptions.OptConvertDeoptsToGuards;
+import static org.graalvm.compiler.core.common.GraalOptions.OptLoopTransform;
+import static org.graalvm.compiler.core.common.GraalOptions.PartialEscapeAnalysis;
+import static org.graalvm.compiler.core.common.GraalOptions.UseGraalInstrumentation;
+import static org.graalvm.compiler.phases.common.DeadCodeEliminationPhase.Optionality.Optional;
+
+import org.graalvm.compiler.loop.DefaultLoopPolicies;
+import org.graalvm.compiler.loop.LoopPolicies;
+import org.graalvm.compiler.loop.phases.LoopFullUnrollPhase;
+import org.graalvm.compiler.loop.phases.LoopPeelingPhase;
+import org.graalvm.compiler.loop.phases.LoopUnswitchingPhase;
+import org.graalvm.compiler.nodes.spi.LoweringTool;
+import org.graalvm.compiler.options.Option;
+import org.graalvm.compiler.options.OptionType;
+import org.graalvm.compiler.options.OptionValue;
+import org.graalvm.compiler.phases.PhaseSuite;
+import org.graalvm.compiler.phases.common.CanonicalizerPhase;
+import org.graalvm.compiler.phases.common.ConvertDeoptimizeToGuardPhase;
+import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase;
+import org.graalvm.compiler.phases.common.IncrementalCanonicalizerPhase;
+import org.graalvm.compiler.phases.common.IterativeConditionalEliminationPhase;
+import org.graalvm.compiler.phases.common.LoweringPhase;
+import org.graalvm.compiler.phases.common.RemoveValueProxyPhase;
+import org.graalvm.compiler.phases.common.inlining.InliningPhase;
+import org.graalvm.compiler.phases.common.instrumentation.HighTierReconcileInstrumentationPhase;
+import org.graalvm.compiler.phases.tiers.HighTierContext;
+import org.graalvm.compiler.virtual.phases.ea.PartialEscapePhase;
+
+public class HighTier extends PhaseSuite<HighTierContext> {
+
+    public static class Options {
+
+        // @formatter:off
+        @Option(help = "Enable inlining", type = OptionType.Expert)
+        public static final OptionValue<Boolean> Inline = new OptionValue<>(true);
+        // @formatter:on
+    }
+
+    public HighTier() {
+        CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
+        if (ImmutableCode.getValue()) {
+            canonicalizer.disableReadCanonicalization();
+        }
+
+        appendPhase(canonicalizer);
+
+        if (Options.Inline.getValue()) {
+            appendPhase(new InliningPhase(canonicalizer));
+            appendPhase(new DeadCodeEliminationPhase(Optional));
+
+            if (ConditionalElimination.getValue()) {
+                appendPhase(canonicalizer);
+                appendPhase(new IterativeConditionalEliminationPhase(canonicalizer, false));
+            }
+        }
+
+        if (OptConvertDeoptsToGuards.getValue()) {
+            appendPhase(new IncrementalCanonicalizerPhase<>(canonicalizer, new ConvertDeoptimizeToGuardPhase()));
+        }
+
+        LoopPolicies loopPolicies = createLoopPolicies();
+        if (FullUnroll.getValue()) {
+            appendPhase(new LoopFullUnrollPhase(canonicalizer, loopPolicies));
+        }
+
+        if (OptLoopTransform.getValue()) {
+            if (LoopPeeling.getValue()) {
+                appendPhase(new LoopPeelingPhase(loopPolicies));
+            }
+            if (LoopUnswitch.getValue()) {
+                appendPhase(new LoopUnswitchingPhase(loopPolicies));
+            }
+        }
+
+        appendPhase(canonicalizer);
+
+        if (PartialEscapeAnalysis.getValue()) {
+            appendPhase(new PartialEscapePhase(true, canonicalizer));
+        }
+        appendPhase(new RemoveValueProxyPhase());
+
+        appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.HIGH_TIER));
+        if (UseGraalInstrumentation.getValue()) {
+            appendPhase(new HighTierReconcileInstrumentationPhase());
+        }
+    }
+
+    public LoopPolicies createLoopPolicies() {
+        return new DefaultLoopPolicies();
+    }
+}