| /* |
| * Copyright (c) 2011, 2014, 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.ea; |
| |
| import jdk.vm.ci.meta.JavaConstant; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.nodes.PhiNode; |
| import org.graalvm.compiler.nodes.ValuePhiNode; |
| import org.graalvm.compiler.nodes.java.LoadFieldNode; |
| |
| public class UnsafeEATest extends EATestBase { |
| |
| public static int zero = 0; |
| |
| private static final long fieldOffset1; |
| private static final long fieldOffset2; |
| |
| static { |
| try { |
| long localFieldOffset1 = UNSAFE.objectFieldOffset(TestClassInt.class.getField("x")); |
| // Make the fields 8 byte aligned (Required for testing setLong on Architectures which |
| // does not support unaligned memory access |
| if (localFieldOffset1 % 8 == 0) { |
| fieldOffset1 = localFieldOffset1; |
| fieldOffset2 = UNSAFE.objectFieldOffset(TestClassInt.class.getField("y")); |
| } else { |
| fieldOffset1 = UNSAFE.objectFieldOffset(TestClassInt.class.getField("y")); |
| fieldOffset2 = UNSAFE.objectFieldOffset(TestClassInt.class.getField("z")); |
| } |
| assert fieldOffset2 == fieldOffset1 + 4; |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Test |
| public void testSimpleInt() { |
| testEscapeAnalysis("testSimpleIntSnippet", JavaConstant.forInt(101), false); |
| } |
| |
| public static int testSimpleIntSnippet() { |
| TestClassInt x = new TestClassInt(); |
| UNSAFE.putInt(x, fieldOffset1, 101); |
| return UNSAFE.getInt(x, fieldOffset1); |
| } |
| |
| @Test |
| public void testMaterializedInt() { |
| test("testMaterializedIntSnippet"); |
| } |
| |
| public static TestClassInt testMaterializedIntSnippet() { |
| TestClassInt x = new TestClassInt(); |
| UNSAFE.putInt(x, fieldOffset1, 101); |
| return x; |
| } |
| |
| @Test |
| public void testSimpleDouble() { |
| testEscapeAnalysis("testSimpleDoubleSnippet", JavaConstant.forDouble(10.1), false); |
| } |
| |
| public static double testSimpleDoubleSnippet() { |
| TestClassInt x = new TestClassInt(); |
| UNSAFE.putDouble(x, fieldOffset1, 10.1); |
| return UNSAFE.getDouble(x, fieldOffset1); |
| } |
| |
| @Test |
| public void testMergedDouble() { |
| testEscapeAnalysis("testMergedDoubleSnippet", null, false); |
| Assert.assertEquals(1, returnNodes.size()); |
| Assert.assertTrue(returnNodes.get(0).result() instanceof ValuePhiNode); |
| PhiNode phi = (PhiNode) returnNodes.get(0).result(); |
| Assert.assertTrue(phi.valueAt(0) instanceof LoadFieldNode); |
| Assert.assertTrue(phi.valueAt(1) instanceof LoadFieldNode); |
| } |
| |
| public static double testMergedDoubleSnippet(boolean a) { |
| TestClassInt x; |
| if (a) { |
| x = new TestClassInt(0, 0); |
| UNSAFE.putDouble(x, fieldOffset1, doubleField); |
| } else { |
| x = new TestClassInt(); |
| UNSAFE.putDouble(x, fieldOffset1, doubleField2); |
| } |
| return UNSAFE.getDouble(x, fieldOffset1); |
| } |
| |
| @Test |
| public void testMaterializedDouble() { |
| test("testMaterializedDoubleSnippet"); |
| } |
| |
| public static TestClassInt testMaterializedDoubleSnippet() { |
| TestClassInt x = new TestClassInt(); |
| UNSAFE.putDouble(x, fieldOffset1, 10.1); |
| return x; |
| } |
| |
| @Test |
| public void testDeoptDoubleVar() { |
| test("testDeoptDoubleVarSnippet"); |
| } |
| |
| public static double doubleField = 10.1e99; |
| public static double doubleField2; |
| |
| public static TestClassInt testDeoptDoubleVarSnippet() { |
| TestClassInt x = new TestClassInt(); |
| UNSAFE.putDouble(x, fieldOffset1, doubleField); |
| doubleField2 = 123; |
| try { |
| doubleField = ((int) UNSAFE.getDouble(x, fieldOffset1)) / zero; |
| } catch (RuntimeException e) { |
| return x; |
| } |
| return x; |
| } |
| |
| @Test |
| public void testDeoptDoubleConstant() { |
| test("testDeoptDoubleConstantSnippet"); |
| } |
| |
| public static TestClassInt testDeoptDoubleConstantSnippet() { |
| TestClassInt x = new TestClassInt(); |
| UNSAFE.putDouble(x, fieldOffset1, 10.123); |
| doubleField2 = 123; |
| try { |
| doubleField = ((int) UNSAFE.getDouble(x, fieldOffset1)) / zero; |
| } catch (RuntimeException e) { |
| return x; |
| } |
| return x; |
| } |
| |
| @Test |
| public void testDeoptLongVar() { |
| test("testDeoptLongVarSnippet"); |
| } |
| |
| public static long longField = 0x133443218aaaffffL; |
| public static long longField2; |
| |
| public static TestClassInt testDeoptLongVarSnippet() { |
| TestClassInt x = new TestClassInt(); |
| UNSAFE.putLong(x, fieldOffset1, longField); |
| longField2 = 123; |
| try { |
| longField = UNSAFE.getLong(x, fieldOffset1) / zero; |
| } catch (RuntimeException e) { |
| return x; |
| } |
| return x; |
| } |
| |
| @Test |
| public void testDeoptLongConstant() { |
| test("testDeoptLongConstantSnippet"); |
| } |
| |
| public static TestClassInt testDeoptLongConstantSnippet() { |
| TestClassInt x = new TestClassInt(); |
| UNSAFE.putLong(x, fieldOffset1, 0x2222222210123L); |
| longField2 = 123; |
| try { |
| longField = UNSAFE.getLong(x, fieldOffset1) / zero; |
| } catch (RuntimeException e) { |
| return x; |
| } |
| return x; |
| } |
| } |