Mercurial > hg > truffle
view graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MergeCanonicalizerTest.java @ 21554:b1530a6cce8c
renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 26 May 2015 23:21:15 +0200 |
parents | 2fd45bb25118 |
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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.nodes.*; import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions; import com.oracle.graal.phases.common.*; import com.oracle.graal.phases.tiers.*; import com.oracle.jvmci.debug.*; 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 = parseEager(snippet, AllowAssumptions.YES); new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders())); new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders())); Debug.dump(graph, "Graph"); assertDeepEquals(returnCount, graph.getNodes(ReturnNode.TYPE).count()); } }