Mercurial > hg > truffle
view graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MergeCanonicalizerTest.java @ 13771:8576dbd00554
Merge
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Mon, 27 Jan 2014 15:28:50 -0800 |
parents | 0e8c22aa6ec3 |
children | 7b09605b29c5 |
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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.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.*; public class MergeCanonicalizerTest extends GraalCompilerTest { public static int staticField; private int field; @Test public void testSplitReturn() { test("testSplitReturnSnippet", 2); testReturnCount("testSplitReturnSnippet", 2); } public int testSplitReturnSnippet(int b) { int v; if (b < 0) { staticField = 1; v = 10; } else { staticField = 2; v = 20; } int i = field; i = field + i; return v; } private void testReturnCount(String snippet, int returnCount) { StructuredGraph graph = parse(snippet); new CanonicalizerPhase(true).apply(graph, new PhaseContext(getProviders(), new Assumptions(false))); new CanonicalizerPhase(true).apply(graph, new PhaseContext(getProviders(), new Assumptions(false))); Debug.dump(graph, "Graph"); assertEquals(returnCount, graph.getNodes(ReturnNode.class).count()); } }