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CompilationController.cpp
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CompilationController.cpp
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/*******************************************************************************
* Copyright (c) 2000, 2020 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at http://eclipse.org/legal/epl-2.0
* or the Apache License, Version 2.0 which accompanies this distribution
* and is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception [1] and GNU General Public
* License, version 2 with the OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#include "control/CompilationController.hpp"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "env/FrontEnd.hpp"
#include "compile/Compilation.hpp"
#include "compile/CompilationTypes.hpp"
#include "control/OptimizationPlan.hpp"
#include "control/Options.hpp"
#include "control/Options_inlines.hpp"
#include "control/Recompilation.hpp"
#include "env/TRMemory.hpp"
#include "infra/Monitor.hpp"
#include "infra/ThreadLocal.hpp"
namespace TR { class CompilationInfo; }
int32_t TR::CompilationController::_verbose = 0;
TR::CompilationStrategy *TR::CompilationController::_compilationStrategy = NULL;
TR::CompilationInfo * TR::CompilationController::_compInfo = 0;
bool TR::CompilationController::_useController = false;
bool TR::CompilationController::_tlsCompObjCreated = false;
bool TR::CompilationController::init(TR::CompilationInfo *compInfo)
{
TR::Options *options = TR::Options::getCmdLineOptions();
char *strategyName = options->getCompilationStrategyName();
{
_compInfo = compInfo;
_compilationStrategy = new (PERSISTENT_NEW) TR::DefaultCompilationStrategy();
{
TR_OptimizationPlan::_optimizationPlanMonitor = TR::Monitor::create("OptimizationPlanMonitor");
_useController = (TR_OptimizationPlan::_optimizationPlanMonitor != 0);
if (_useController)
{
static char *verboseController = feGetEnv("TR_VerboseController");
if (verboseController)
setVerbose(atoi(verboseController));
if (verbose() >= LEVEL1)
fprintf(stderr, "Using %s comp strategy\n", strategyName);
}
}
}
tlsAlloc(OMR::compilation);
_tlsCompObjCreated = true;
return _useController;
}
void TR::CompilationController::shutdown()
{
if (_tlsCompObjCreated)
tlsFree(OMR::compilation);
if (!_useController)
return;
// would like to free all entries in the pool of compilation plans
int32_t remainingPlans = TR_OptimizationPlan::freeEntirePool();
// print some stats
if (verbose() >= LEVEL1)
{
fprintf(stderr, "Remaining optimizations plans in the system: %d\n", remainingPlans);
}
_compilationStrategy->shutdown();
}
TR_OptimizationPlan *
TR::DefaultCompilationStrategy::processEvent(TR_MethodEvent *event, bool *newPlanCreated)
{
TR_OptimizationPlan *plan = NULL;
return plan;
}