Mercurial > hg > truffle
view graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/UnsafeEATest.java @ 18995:a2cb19764970
Rename MergeNode to AbstractMergeNode.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 28 Jan 2015 01:04:20 +0100 |
parents | 9619ba4daf4c |
children | 7a49a2763a7a |
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/* * 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 com.oracle.graal.compiler.test.ea; import org.junit.*; import sun.misc.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.java.*; public class UnsafeEATest extends EATestBase { public static int zero = 0; private static final Unsafe unsafe; private static final long fieldOffsetX; private static final long fieldOffsetY; static { unsafe = UnsafeAccess.unsafe; try { fieldOffsetX = unsafe.objectFieldOffset(TestClassInt.class.getField("x")); fieldOffsetY = unsafe.objectFieldOffset(TestClassInt.class.getField("y")); assert fieldOffsetY == fieldOffsetX + 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, fieldOffsetX, 101); return unsafe.getInt(x, fieldOffsetX); } @Test public void testMaterializedInt() { test("testMaterializedIntSnippet"); } public static TestClassInt testMaterializedIntSnippet() { TestClassInt x = new TestClassInt(); unsafe.putInt(x, fieldOffsetX, 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, fieldOffsetX, 10.1); return unsafe.getDouble(x, fieldOffsetX); } @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, fieldOffsetX, doubleField); } else { x = new TestClassInt(); unsafe.putDouble(x, fieldOffsetX, doubleField2); } return unsafe.getDouble(x, fieldOffsetX); } @Test public void testMaterializedDouble() { test("testMaterializedDoubleSnippet"); } public static TestClassInt testMaterializedDoubleSnippet() { TestClassInt x = new TestClassInt(); unsafe.putDouble(x, fieldOffsetX, 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, fieldOffsetX, doubleField); doubleField2 = 123; try { doubleField = ((int) unsafe.getDouble(x, fieldOffsetX)) / 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, fieldOffsetX, 10.123); doubleField2 = 123; try { doubleField = ((int) unsafe.getDouble(x, fieldOffsetX)) / 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, fieldOffsetX, longField); longField2 = 123; try { longField = unsafe.getLong(x, fieldOffsetX) / 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, fieldOffsetX, 0x2222222210123L); longField2 = 123; try { longField = unsafe.getLong(x, fieldOffsetX) / zero; } catch (RuntimeException e) { return x; } return x; } }