--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/ConditionalEliminationTest10.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2015, 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.core.test;
+
+import org.graalvm.compiler.api.directives.GraalDirectives;
+import org.graalvm.compiler.nodes.GuardNode;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
+import org.graalvm.compiler.nodes.spi.LoweringTool;
+import org.graalvm.compiler.phases.common.CanonicalizerPhase;
+import org.graalvm.compiler.phases.common.LoweringPhase;
+import org.graalvm.compiler.phases.common.ConditionalEliminationPhase;
+import org.graalvm.compiler.phases.tiers.PhaseContext;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * This test checks the combined action of
+ * {@link org.graalvm.compiler.phases.common.ConditionalEliminationPhase} and
+ * {@link org.graalvm.compiler.phases.common.LoweringPhase}. The lowering phase needs to introduce
+ * the null checks at the correct places for the dominator conditional elimination phase to pick
+ * them up.
+ */
+public class ConditionalEliminationTest10 extends ConditionalEliminationTestBase {
+
+    private static boolean condition1;
+    private static boolean condition2;
+
+    private static class TestClass {
+        int x;
+    }
+
+    @SuppressWarnings("all")
+    public static int testSnippet1(TestClass t) {
+        int result = 0;
+        if (condition1) {
+            GraalDirectives.controlFlowAnchor();
+            result = t.x;
+        }
+        GraalDirectives.controlFlowAnchor();
+        return result + t.x;
+    }
+
+    @Test
+    public void test1() {
+        test("testSnippet1", 1);
+    }
+
+    @SuppressWarnings("all")
+    public static int testSnippet2(TestClass t) {
+        int result = 0;
+        if (condition1) {
+            GraalDirectives.controlFlowAnchor();
+            result = t.x;
+        } else {
+            GraalDirectives.controlFlowAnchor();
+            result = t.x;
+        }
+
+        if (condition2) {
+            result = t.x;
+            GraalDirectives.controlFlowAnchor();
+        }
+
+        return result;
+    }
+
+    @Test
+    public void test2() {
+        test("testSnippet2", 1);
+    }
+
+    private void test(String snippet, int guardCount) {
+        StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES);
+        PhaseContext context = new PhaseContext(getProviders());
+        new LoweringPhase(new CanonicalizerPhase(), LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, context);
+        new ConditionalEliminationPhase(true).apply(graph, context);
+        Assert.assertEquals(guardCount, graph.getNodes().filter(GuardNode.class).count());
+    }
+}