| /* |
| * Copyright (c) 2007, 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 org.graalvm.compiler.jtt.bytecode; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.jtt.JTTTest; |
| |
| /* |
| */ |
| public class BC_ifeq extends JTTTest { |
| |
| public static int test(int a) { |
| int n = 0; |
| if (a == 0) { |
| n += 1; |
| } else { |
| n -= 1; |
| } |
| if (a != 0) { |
| n -= 1; |
| } else { |
| n += 1; |
| } |
| return n; |
| } |
| |
| @Test |
| public void run0() throws Throwable { |
| runTest("test", 0); |
| } |
| |
| @Test |
| public void run1() throws Throwable { |
| runTest("test", 1); |
| } |
| |
| @Test |
| public void run3() { |
| runTest("testb", 0xff); |
| } |
| |
| /** |
| * Tests if the if does work properly on byte stamp. |
| */ |
| public static int testb(int b) { |
| byte x = (byte) b; |
| int y = x & 0xff; |
| if (y == 0xff) { |
| // Just do anything else to force jump instead of conditional move |
| y = (int) (System.currentTimeMillis() >> 32); |
| } |
| return y; |
| } |
| |
| @Test |
| public void run4() { |
| runTest("tests", 0xffff); |
| } |
| |
| /** |
| * Tests if the if does work properly on short stamp. |
| */ |
| public static int tests(int b) { |
| short x = (short) b; |
| int y = x & 0xffff; |
| if (y == 0xffff) { |
| // Just do anything else to force jump instead of conditional move |
| y = (int) (System.currentTimeMillis() >> 32); |
| } |
| return y; |
| } |
| |
| @Test |
| public void run5() { |
| runTest("testc", 0xffff); |
| } |
| |
| /** |
| * Tests if the if does work properly on char stamp (boils down to short, just to cover all the |
| * java types). |
| */ |
| public static int testc(int b) { |
| char x = (char) b; |
| int y = x & 0xffff; |
| if (y == 0xffff) { |
| // Just do anything else to force jump instead of conditional move |
| y = (int) (System.currentTimeMillis() >> 32); |
| } |
| return y; |
| } |
| |
| // the same with conditional move |
| @Test |
| public void run6() { |
| runTest("testCondb", 0xff); |
| } |
| |
| /** |
| * Tests if the if does work properly on byte stamp. |
| */ |
| public static boolean testCondb(int b) { |
| byte x = (byte) b; |
| int y = x & 0xff; |
| return y == 0xff; |
| } |
| |
| @Test |
| public void run7() { |
| runTest("testConds", 0xffff); |
| } |
| |
| /** |
| * Tests if the if does work properly on short stamp. |
| */ |
| public static boolean testConds(int b) { |
| short x = (short) b; |
| int y = x & 0xffff; |
| return y == 0xffff; |
| } |
| |
| @Test |
| public void run8() { |
| runTest("testCondc", 0xffff); |
| } |
| |
| /** |
| * Tests if the if does work properly on char type. |
| */ |
| public static boolean testCondc(int b) { |
| char x = (char) b; |
| int y = x & 0xffff; |
| return y == 0xffff; |
| } |
| } |