src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/HashMapGetTest.java
--- /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/HashMapGetTest.java Wed Oct 11 17:11:28 2017 -0700
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017, 2017, 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 jdk.vm.ci.meta.ResolvedJavaMethod;
+import org.graalvm.compiler.nodes.IfNode;
+import org.graalvm.compiler.nodes.LogicNode;
+import org.graalvm.compiler.nodes.ReturnNode;
+import org.graalvm.compiler.nodes.calc.ObjectEqualsNode;
+import org.junit.Test;
+
+import java.util.HashMap;
+
+public class HashMapGetTest extends GraalCompilerTest {
+
+ public static void mapGet(HashMap<Integer, Integer> map, Integer key) {
+ map.get(key);
+ }
+
+ @Test
+ public void hashMapTest() {
+ HashMap<Integer, Integer> map = new HashMap<>();
+ ResolvedJavaMethod get = getResolvedJavaMethod(HashMapGetTest.class, "mapGet");
+ for (int i = 0; i < 5000; i++) {
+ mapGet(map, i);
+ map.put(i, i);
+ mapGet(map, i);
+ }
+ test(get, null, map, new Integer(0));
+ for (IfNode ifNode : lastCompiledGraph.getNodes(IfNode.TYPE)) {
+ LogicNode condition = ifNode.condition();
+ if (ifNode.getTrueSuccessorProbability() < 0.4 && condition instanceof ObjectEqualsNode) {
+ assertTrue(ifNode.trueSuccessor().next() instanceof ReturnNode, "Expected return.", ifNode.trueSuccessor(), ifNode.trueSuccessor().next());
+ }
+ }
+ }
+
+}