Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LimitTest.java @ 19450:fb20fbfd6a85
Add a probability-based cut-off to the inlining policy.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 17 Feb 2015 16:31:39 +0100 |
parents | 62c43fcf5be2 |
children |
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/* * Copyright (c) 2015, 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 static com.oracle.truffle.api.dsl.test.TestHelper.*; import static org.junit.Assert.*; import org.junit.*; import com.oracle.truffle.api.*; import com.oracle.truffle.api.dsl.*; import com.oracle.truffle.api.dsl.test.LimitTestFactory.ConstantLimitTestFactory; import com.oracle.truffle.api.dsl.test.LimitTestFactory.DefaultLimit3TestFactory; import com.oracle.truffle.api.dsl.test.LimitTestFactory.LocalLimitTestFactory; import com.oracle.truffle.api.dsl.test.LimitTestFactory.MethodLimitTestFactory; import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode; @SuppressWarnings("unused") public class LimitTest { @Test public void testDefaultLimit3() { CallTarget root = createCallTarget(DefaultLimit3TestFactory.getInstance()); assertEquals(42, root.call(42)); assertEquals(43, root.call(43)); assertEquals(44, root.call(44)); try { root.call(45); fail(); } catch (UnsupportedSpecializationException e) { } } @NodeChild static class DefaultLimit3Test extends ValueNode { @Specialization(guards = "value == cachedValue") static int do1(int value, @Cached("value") int cachedValue) { return cachedValue; } } @Test public void testConstantLimit() { CallTarget root = createCallTarget(ConstantLimitTestFactory.getInstance()); assertEquals(42, root.call(42)); assertEquals(43, root.call(43)); try { root.call(44); fail(); } catch (UnsupportedSpecializationException e) { } } @NodeChild static class ConstantLimitTest extends ValueNode { public static final int LIMIT = 2; @Specialization(limit = "LIMIT", guards = "value == cachedValue") static int do1(int value, @Cached("value") int cachedValue) { return cachedValue; } } @Test public void testLocalLimit() { CallTarget root = createCallTarget(LocalLimitTestFactory.getInstance()); assertEquals(42, root.call(42)); assertEquals(43, root.call(43)); try { root.call(44); fail(); } catch (UnsupportedSpecializationException e) { } } @NodeChild static class LocalLimitTest extends ValueNode { protected int localLimit = 2; @Specialization(limit = "localLimit", guards = "value == cachedValue") static int do1(int value, @Cached("value") int cachedValue) { return cachedValue; } } @Test public void testMethodLimit() { MethodLimitTest.invocations = 0; CallTarget root = createCallTarget(MethodLimitTestFactory.getInstance()); assertEquals(42, root.call(42)); assertEquals(43, root.call(43)); try { root.call(44); fail(); } catch (UnsupportedSpecializationException e) { } assertEquals(3, MethodLimitTest.invocations); } @NodeChild static class MethodLimitTest extends ValueNode { static int invocations = 0; @Specialization(limit = "calculateLimitFor(cachedValue, invocations)", guards = "value == cachedValue") static int do1(int value, @Cached("value") int cachedValue) { return cachedValue; } int calculateLimitFor(int cachedValue, int boundField) { invocations = boundField + 1; return 2; } } @NodeChild static class LimitErrorTest1 extends ValueNode { @ExpectError("The limit expression has no effect.%") @Specialization(limit = "4") static int do1(int value) { return value; } } @NodeChild static class LimitErrorTest2 extends ValueNode { public static final Object CONSTANT = new Object(); @ExpectError("Incompatible return type Object. Limit expressions must return int.") @Specialization(limit = "CONSTANT", guards = "value == cachedValue") static int do1(int value, @Cached("value") int cachedValue) { return value; } } @NodeChild static class LimitErrorTest3 extends ValueNode { public static final Object CONSTANT = new Object(); @ExpectError("Limit expressions must not bind dynamic parameter values.") @Specialization(limit = "value", guards = "value == cachedValue") static int do1(int value, @Cached("value") int cachedValue) { return value; } } }