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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "pass_driver_me_opts.h"
#include "base/logging.h"
#include "base/macros.h"
#include "bb_optimizations.h"
#include "dataflow_iterator.h"
#include "dataflow_iterator-inl.h"
#include "pass_driver_me_opts.h"
#include "pass_manager.h"
#include "post_opt_passes.h"
namespace art {
const Pass* GetMorePassInstance() {
return new DummyPass;
}
void PassDriverMEOpts::SetupPasses(PassManager* pass_manager) {
/*
* Create the pass list. These passes are immutable and are shared across the threads.
*
* Advantage is that there will be no race conditions here.
* Disadvantage is the passes can't change their internal states depending on CompilationUnit:
* - This is not yet an issue: no current pass would require it.
*/
pass_manager->AddPass(new StringChange);
pass_manager->AddPass(new CacheFieldLoweringInfo);
pass_manager->AddPass(new CacheMethodLoweringInfo);
pass_manager->AddPass(new CalculatePredecessors);
pass_manager->AddPass(new DFSOrders);
pass_manager->AddPass(new ClassInitCheckElimination);
pass_manager->AddPass(new SpecialMethodInliner);
pass_manager->AddPass(new NullCheckElimination);
pass_manager->AddPass(new BBCombine);
pass_manager->AddPass(new CodeLayout);
pass_manager->AddPass(new GlobalValueNumberingPass);
pass_manager->AddPass(new DeadCodeEliminationPass);
pass_manager->AddPass(new GlobalValueNumberingCleanupPass);
pass_manager->AddPass(new ConstantPropagation);
pass_manager->AddPass(new MethodUseCount);
pass_manager->AddPass(new BBOptimizations);
pass_manager->AddPass(new SuspendCheckElimination);
pass_manager->AddPass(GetMorePassInstance());
}
void PassDriverMEOpts::ApplyPass(PassDataHolder* data, const Pass* pass) {
const PassME* const pass_me = down_cast<const PassME*>(pass);
DCHECK(pass_me != nullptr);
PassMEDataHolder* const pass_me_data_holder = down_cast<PassMEDataHolder*>(data);
// Set to dirty.
pass_me_data_holder->dirty = true;
// First call the base class' version.
PassDriver::ApplyPass(data, pass);
// Now we care about flags.
if ((pass_me->GetFlag(kOptimizationBasicBlockChange) == true) ||
(pass_me->GetFlag(kOptimizationDefUsesChange) == true)) {
// Is it dirty at least?
if (pass_me_data_holder->dirty == true) {
CompilationUnit* c_unit = pass_me_data_holder->c_unit;
c_unit->mir_graph.get()->CalculateBasicBlockInformation(post_opt_pass_manager_);
}
}
}
} // namespace art
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