Mercurial > hg > truffle
view graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/PushThroughIfTest.java @ 21032:9507c925abe9
fix
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Sat, 18 Apr 2015 19:48:30 +0200 |
parents | 2fd45bb25118 |
children | b1530a6cce8c |
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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.debug.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions; import com.oracle.graal.nodes.util.*; import com.oracle.graal.phases.common.*; import com.oracle.graal.phases.tiers.*; public class PushThroughIfTest extends GraalCompilerTest { public int field1; public int field2; public int testSnippet(boolean b) { int i; if (b) { i = field1; } else { i = field1; } return i + field2; } @SuppressWarnings("unused") public int referenceSnippet(boolean b) { return field1 + field2; } @Test public void test1() { test("testSnippet", "referenceSnippet"); } private void test(String snippet, String reference) { StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES); Debug.dump(graph, "Graph"); for (FrameState fs : graph.getNodes(FrameState.TYPE).snapshot()) { fs.replaceAtUsages(null); GraphUtil.killWithUnusedFloatingInputs(fs); } new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders())); new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders())); StructuredGraph referenceGraph = parseEager(reference, AllowAssumptions.YES); for (FrameState fs : referenceGraph.getNodes(FrameState.TYPE).snapshot()) { fs.replaceAtUsages(null); GraphUtil.killWithUnusedFloatingInputs(fs); } new CanonicalizerPhase().apply(referenceGraph, new PhaseContext(getProviders())); assertEquals(referenceGraph, graph); } }