Mercurial > hg > graal-compiler
changeset 21242:f85b6fd788b5
Add LoopPhiResolutionTest.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Thu, 30 Apr 2015 16:59:13 +0200 |
parents | 7b8843cc6610 |
children | 0dee8e5f78ea |
files | graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/loop/LoopPhiResolutionTest.java |
diffstat | 1 files changed, 68 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/loop/LoopPhiResolutionTest.java Thu Apr 30 16:59:13 2015 +0200 @@ -0,0 +1,68 @@ +/* + * 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.jtt.loop; + +import org.junit.*; + +import com.oracle.graal.api.directives.*; +import com.oracle.graal.jtt.*; + +/* + */ +public class LoopPhiResolutionTest extends JTTTest { + + public static int test(int count) { + int i1 = 1; + int i2 = 2; + int i3 = 3; + int i4 = 4; + + for (int i = 0; i < count; i++) { + i1 = wormhole(i1); + i2 = wormhole(i2); + i3 = wormhole(i2); + i4 = wormhole(i4); + } + return i1 + i2 * 10 + i3 * 100 + i4 * 1000; + } + + private static int wormhole(int x) { + return (int) GraalDirectives.opaque((long) x); + } + + @Test + public void run0() throws Throwable { + runTest("test", 0); + } + + @Test + public void run1() throws Throwable { + runTest("test", 1); + } + + @Test + public void run2() throws Throwable { + runTest("test", 10); + } + +}