Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.jtt/src/com/oracle/graal/jtt/optimize/Fold_Int01.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 |
children |
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/* * Copyright (c) 2009, 2012, 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.jtt.optimize; import org.junit.*; /* * Tests constant folding of integer operations. */ public class Fold_Int01 { public static int test(int arg) { if (arg == 0) { return add(); } if (arg == 1) { return sub(); } if (arg == 2) { return mul(); } if (arg == 3) { return div(); } if (arg == 4) { return mod(); } if (arg == 5) { return and(); } if (arg == 6) { return or(); } if (arg == 7) { return xor(); } return 0; } public static int add() { int x = 3; return x + 7; } public static int sub() { int x = 15; return x - 4; } public static int mul() { int x = 6; return x * 2; } public static int div() { int x = 26; return x / 2; } public static int mod() { int x = 29; return x % 15; } public static int and() { int x = 31; return x & 15; } public static int or() { int x = 16; return x | 16; } public static int xor() { int x = 0; return x ^ 17; } @Test public void run0() throws Throwable { Assert.assertEquals(10, test(0)); } @Test public void run1() throws Throwable { Assert.assertEquals(11, test(1)); } @Test public void run2() throws Throwable { Assert.assertEquals(12, test(2)); } @Test public void run3() throws Throwable { Assert.assertEquals(13, test(3)); } @Test public void run4() throws Throwable { Assert.assertEquals(14, test(4)); } @Test public void run5() throws Throwable { Assert.assertEquals(15, test(5)); } @Test public void run6() throws Throwable { Assert.assertEquals(16, test(6)); } @Test public void run7() throws Throwable { Assert.assertEquals(17, test(7)); } }