Mercurial > hg > graal-compiler
view graal/com.oracle.graal.api.directives.test/src/com/oracle/graal/api/directives/test/OpaqueDirectiveTest.java @ 19046:2358c0e65b9e
Unit tests for GraalDirectives API.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Thu, 29 Jan 2015 16:49:03 +0100 |
parents | |
children | 61d3cb8e1280 |
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/* * 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 com.oracle.graal.api.directives.test; import java.lang.annotation.*; import org.junit.*; import com.oracle.graal.api.directives.*; import com.oracle.graal.compiler.test.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; /** * Tests for {@link GraalDirectives#opaque}. * * There are two snippets for each kind: * <ul> * <li>opaque<Kind>Snippet verifies that constant folding is prevented by the opaque * directive. * <li><kind>Snippet verifies that constant folding does happen if the opaque directive is not * there. * </ul> * */ public class OpaqueDirectiveTest extends GraalCompilerTest { @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.METHOD) private @interface OpaqueSnippet { Class<?> expectedReturnNode(); } @OpaqueSnippet(expectedReturnNode = ConstantNode.class) public static boolean booleanSnippet() { return 5 > 3; } @OpaqueSnippet(expectedReturnNode = ConditionalNode.class) public static boolean opaqueBooleanSnippet() { return 5 > GraalDirectives.opaque(3); } @Test public void testBoolean() { test("booleanSnippet"); test("opaqueBooleanSnippet"); } @OpaqueSnippet(expectedReturnNode = ConstantNode.class) public static int intSnippet() { return 5 + 3; } @OpaqueSnippet(expectedReturnNode = AddNode.class) public static int opaqueIntSnippet() { return 5 + GraalDirectives.opaque(3); } @Test public void testInt() { test("intSnippet"); test("opaqueIntSnippet"); } @OpaqueSnippet(expectedReturnNode = ConstantNode.class) public static double doubleSnippet() { return 5. + 3.; } @OpaqueSnippet(expectedReturnNode = AddNode.class) public static double opaqueDoubleSnippet() { return 5. + GraalDirectives.opaque(3.); } @Test public void testDouble() { test("doubleSnippet"); test("opaqueDoubleSnippet"); } private static class Dummy { } @OpaqueSnippet(expectedReturnNode = ConstantNode.class) public static boolean objectSnippet() { Object obj = new Dummy(); return obj == null; } @OpaqueSnippet(expectedReturnNode = ConditionalNode.class) public static boolean opaqueObjectSnippet() { Object obj = new Dummy(); return GraalDirectives.opaque(obj) == null; } @Test public void testObject() { test("objectSnippet"); test("opaqueObjectSnippet"); } @Override protected boolean checkLowTierGraph(StructuredGraph graph) { OpaqueSnippet snippet = graph.method().getAnnotation(OpaqueSnippet.class); for (ReturnNode returnNode : graph.getNodes(ReturnNode.class)) { Assert.assertEquals(snippet.expectedReturnNode(), returnNode.result().getClass()); } return true; } }