Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.tests/src/com/oracle/graal/compiler/tests/PhiCreationTests.java @ 5060:4ed4295ce15f
Update import statements.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 08 Mar 2012 19:11:12 +0100 |
parents | ed559a528128 |
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/* * Copyright (c) 2011, 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.tests; import org.junit.*; import com.oracle.graal.debug.*; import com.oracle.graal.nodes.*; /** * In the following tests, the correct removal of redundant phis during graph building is tested. */ public class PhiCreationTests extends GraphTest { /** * Dummy method to avoid javac dead code elimination. */ private static void test() { } @Test public void test1() { StructuredGraph graph = parse("test1Snippet"); Assert.assertFalse(graph.getNodes(PhiNode.class).iterator().hasNext()); } public static int test1Snippet(int a) { if (a > 1) { test(); } return a; } @Test public void test2() { StructuredGraph graph = parse("test2Snippet"); Assert.assertFalse(graph.getNodes(PhiNode.class).iterator().hasNext()); } public static int test2Snippet(int a) { while (a > 1) { test(); } return a; } @Test public void test3() { StructuredGraph graph = parse("test3Snippet"); Debug.dump(graph, "Graph"); Assert.assertFalse(graph.getNodes(PhiNode.class).iterator().hasNext()); } public static int test3Snippet(int a) { while (a > 1) { while (a > 1) { test(); } } return a; } @Test public void test4() { StructuredGraph graph = parse("test4Snippet"); Debug.dump(graph, "Graph"); Assert.assertFalse(graph.getNodes(PhiNode.class).iterator().hasNext()); } public static int test4Snippet(int a) { int b = 5; while (a > 1) { while (a > 1) { while (a > 1) { try { test(); } catch (Throwable t) { } } } while (a > 1) { while (a > 1) { try { test(); } catch (Throwable t) { } } } } return a + b; } }