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author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 19 Mar 2015 17:22:24 -0700 |
parents | f4792a544170 |
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/* * Copyright (c) 2012, 2012, 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.truffle.api.dsl.test; import org.junit.*; import com.oracle.truffle.api.*; import com.oracle.truffle.api.dsl.*; import com.oracle.truffle.api.dsl.test.SpecializationGroupingTestFactory.TestElseConnectionBug1Factory; import com.oracle.truffle.api.dsl.test.SpecializationGroupingTestFactory.TestElseConnectionBug2Factory; import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; /** * Tests execution counts of guards. While we do not make guarantees for guard invocation except for * their execution order our implementation reduces the calls to guards as much as possible for the * generic case. */ public class SpecializationGroupingTest { @Test public void testElseConnectionBug1() { CallTarget target = TestHelper.createCallTarget(TestElseConnectionBug1Factory.create(new GenericInt())); Assert.assertEquals(42, target.call()); } @SuppressWarnings("unused") @NodeChild(value = "genericChild", type = GenericInt.class) public abstract static class TestElseConnectionBug1 extends ValueNode { @Specialization(rewriteOn = {SlowPathException.class}, guards = "isInitialized(value)") public int do1(int value) throws SlowPathException { throw new SlowPathException(); } @Specialization(contains = "do1", guards = "isInitialized(value)") public int do2(int value) { return value == 42 ? value : 0; } @Specialization(guards = "!isInitialized(value)") public Object do3(int value) { throw new AssertionError(); } boolean isInitialized(int value) { return true; } } public static final class GenericInt extends ValueNode { @Override public Object execute(VirtualFrame frame) { return executeInt(frame); } @Override public int executeInt(VirtualFrame frame) { return 42; } } @Test public void testElseConnectionBug2() { TestHelper.assertRuns(TestElseConnectionBug2Factory.getInstance(), new Object[]{42}, new Object[]{42}); } @SuppressWarnings("unused") @NodeChild public abstract static class TestElseConnectionBug2 extends ValueNode { @Specialization(guards = "guard0(value)") public int do1(int value) { throw new AssertionError(); } @Specialization(guards = "guard1(value)") public int do2(int value) { throw new AssertionError(); } @Specialization(guards = "!guard0(value)") public int do3(int value) { return value; } boolean guard0(int value) { return false; } boolean guard1(int value) { return false; } } }