Mercurial > hg > truffle
view test/compiler/types/correctness/execution/TypeConflict.java @ 21673:5024c80224c7
moved com.oracle.graal.[amd64|sparc] to com.oracle.jvmci.[amd64|sparc] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 02 Jun 2015 22:11:52 +0200 |
parents | 534fbe3d90f0 |
children |
line wrap: on
line source
/* * Copyright (c) 2014, 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 execution; import hierarchies.TypeHierarchy; import scenarios.Scenario; /** * Type profiling conflict execution scenario. The main goal is * to make compiler profile and compile methods with different types. * Scenario tests guards by passing conflicting types (incompatible * for the profiled data). */ public class TypeConflict<T extends TypeHierarchy.I, R> implements Execution<T, R> { /** Test methods execution number to make profile */ private final static int POLLUTION_THRESHOLD = 5000; /** Test methods execution number to make it profiled and compiled*/ private final static int PROFILE_THRESHOLD = 20000; @Override public void execute(Scenario<T, R> scenario) { T base = scenario.getProfiled(); T incompatible = scenario.getConflict(); // pollute profile by passing different types R baseResult = null; R incResult = null; for (int i = 0; i < POLLUTION_THRESHOLD; i++) { baseResult = methodNotToCompile(scenario, base); incResult = methodNotToCompile(scenario, incompatible); } scenario.check(baseResult, base); scenario.check(incResult, incompatible); // profile and compile R result = null; for (int i = 0; i < PROFILE_THRESHOLD; i++) { result = methodNotToCompile(scenario, base); } scenario.check(result, base); // pass another type to make guard work and recompile for (int i = 0; i < PROFILE_THRESHOLD; i++) { result = methodNotToCompile(scenario, incompatible); } scenario.check(result, incompatible); } private R methodNotToCompile(Scenario<T, R> scenario, T t) { return scenario.run(t); } }