Mercurial > hg > graal-compiler
view graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ScalarTypeSystemTest.java @ 15076:54100943a362
simplified com.oracle.graal.hotspot.meta.HotSpotLoweringProvider.get*BarrierType methods
author | twisti |
---|---|
date | Fri, 04 Apr 2014 17:23:20 -0700 |
parents | 0e8c22aa6ec3 |
children | 769fc3629f59 |
line wrap: on
line source
/* * 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.test; import org.junit.*; import com.oracle.graal.api.code.*; import com.oracle.graal.debug.*; import com.oracle.graal.nodes.*; import com.oracle.graal.phases.common.*; import com.oracle.graal.phases.tiers.*; /** * In the following tests, the scalar type system of the compiler should be complete enough to see * the relation between the different conditions. */ public class ScalarTypeSystemTest extends GraalCompilerTest { public static int referenceSnippet1(int a) { if (a > 0) { return 1; } else { return 2; } } @Test(expected = AssertionError.class) public void test1() { test("test1Snippet", "referenceSnippet1"); } public static int test1Snippet(int a) { if (a > 0) { if (a > -1) { return 1; } else { return 3; } } else { return 2; } } @Test(expected = AssertionError.class) public void test2() { test("test2Snippet", "referenceSnippet1"); } public static int test2Snippet(int a) { if (a > 0) { if (a == -15) { return 3; } else { return 1; } } else { return 2; } } @Test(expected = AssertionError.class) public void test3() { test("test3Snippet", "referenceSnippet2"); } public static int referenceSnippet2(int a, int b) { if (a > b) { return 1; } else { return 2; } } public static int test3Snippet(int a, int b) { if (a > b) { if (a == b) { return 3; } else { return 1; } } else { return 2; } } @Test public void test4() { test("test4Snippet", "referenceSnippet2"); } public static int test4Snippet(int a, int b) { if (a > b) { if (a <= b) { return 3; } else { return 1; } } else { return 2; } } @Test public void test5() { test("test5Snippet", "referenceSnippet3"); } public static int referenceSnippet3(int a, int b) { if (a == b) { return 1; } else { return 2; } } public static int test5Snippet(int a, int b) { if (a == b) { if (a != b) { return 3; } else { return 1; } } else { return 2; } } @Test(expected = AssertionError.class) public void test6() { test("test6Snippet", "referenceSnippet3"); } public static int test6Snippet(int a, int b) { if (a == b) { if (a == b + 1) { return 3; } else { return 1; } } else { return 2; } } private void test(final String snippet, final String referenceSnippet) { // No debug scope to reduce console noise for @Test(expected = ...) tests StructuredGraph graph = parse(snippet); Debug.dump(graph, "Graph"); Assumptions assumptions = new Assumptions(false); new ConditionalEliminationPhase(getMetaAccess()).apply(graph); new CanonicalizerPhase(true).apply(graph, new PhaseContext(getProviders(), assumptions)); StructuredGraph referenceGraph = parse(referenceSnippet); assertEquals(referenceGraph, graph); } }