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annotate graal/com.oracle.graal.hotspot.amd64.test/src/com/oracle/graal/hotspot/amd64/test/CompressedNullCheckTest.java @ 20933:da2251d7d3c5

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Cleanup blacklist for SPARC, add Assume to CompressedNullCheckTest check whether UseCompressedOops is enabled and just check if not running on SPARC on NativeFunctionInterfaceTest
author Stefan Anzinger <stefan.anzinger@oracle.com>
date Tue, 14 Apr 2015 17:53:28 +0200
parents 56bcde831179
children 3253fe1bed41
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.amd64.test;
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24
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25 import org.junit.*;
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26
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27 import com.oracle.graal.compiler.test.*;
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28 import com.oracle.graal.hotspot.*;
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29 import com.oracle.graal.hotspot.nodes.*;
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30 import com.oracle.graal.nodes.*;
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31 import com.oracle.graal.nodes.calc.*;
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32
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33 /**
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34 * Ensures that frame omission works in cases where it is expected to.
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35 */
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36 public class CompressedNullCheckTest extends GraalCompilerTest {
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37
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38 private static final class Container {
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39 Integer i = new Integer(1);
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40 }
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41
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42 public static void testSnippet(Container c) {
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43 c.i.intValue();
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44 }
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45
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46 @Test
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47 public void test() {
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48 Assume.assumeTrue(HotSpotGraalRuntime.runtime().getConfig().useCompressedOops);
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49 test("testSnippet", new Container());
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50 }
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51
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52 @Override
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53 protected boolean checkMidTierGraph(StructuredGraph graph) {
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54 int count = 0;
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55 for (IsNullNode isNull : graph.getNodes().filter(IsNullNode.class).snapshot()) {
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56 ValueNode value = isNull.getValue();
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57 if (value instanceof CompressionNode) {
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58 count++;
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59 isNull.replaceFirstInput(value, ((CompressionNode) value).getValue());
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60 }
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61 }
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62 Assert.assertEquals("graph should contain exactly one IsNullNode", 1, count);
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63 return super.checkMidTierGraph(graph);
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64 }
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65 }