pass_driver_me_opts.cc revision 95a059793c4c194f026afc74c713cc295d75d91a
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "base/macros.h" 18#include "bb_optimizations.h" 19#include "compiler_internals.h" 20#include "dataflow_iterator.h" 21#include "dataflow_iterator-inl.h" 22#include "pass_driver_me_opts.h" 23 24namespace art { 25 26/* 27 * Create the pass list. These passes are immutable and are shared across the threads. 28 * 29 * Advantage is that there will be no race conditions here. 30 * Disadvantage is the passes can't change their internal states depending on CompilationUnit: 31 * - This is not yet an issue: no current pass would require it. 32 */ 33// The initial list of passes to be used by the PassDriveMEOpts. 34template<> 35const Pass* const PassDriver<PassDriverMEOpts>::g_passes[] = { 36 GetPassInstance<CacheFieldLoweringInfo>(), 37 GetPassInstance<CacheMethodLoweringInfo>(), 38 GetPassInstance<CallInlining>(), 39 GetPassInstance<CodeLayout>(), 40 GetPassInstance<NullCheckEliminationAndTypeInference>(), 41 GetPassInstance<ClassInitCheckElimination>(), 42 GetPassInstance<GlobalValueNumberingPass>(), 43 GetPassInstance<BBCombine>(), 44 GetPassInstance<BBOptimizations>(), 45}; 46 47// The number of the passes in the initial list of Passes (g_passes). 48template<> 49uint16_t const PassDriver<PassDriverMEOpts>::g_passes_size = 50 arraysize(PassDriver<PassDriverMEOpts>::g_passes); 51 52// The default pass list is used by the PassDriverME instance of PassDriver 53// to initialize pass_list_. 54template<> 55std::vector<const Pass*> PassDriver<PassDriverMEOpts>::g_default_pass_list( 56 PassDriver<PassDriverMEOpts>::g_passes, 57 PassDriver<PassDriverMEOpts>::g_passes + 58 PassDriver<PassDriverMEOpts>::g_passes_size); 59 60// By default, do not have a dump pass list. 61template<> 62std::string PassDriver<PassDriverMEOpts>::dump_pass_list_ = std::string(); 63 64// By default, do not have a print pass list. 65template<> 66std::string PassDriver<PassDriverMEOpts>::print_pass_list_ = std::string(); 67 68// By default, we do not print the pass' information. 69template<> 70bool PassDriver<PassDriverMEOpts>::default_print_passes_ = false; 71 72void PassDriverMEOpts::ApplyPass(PassDataHolder* data, const Pass* pass) { 73 // First call the base class' version. 74 PassDriver::ApplyPass(data, pass); 75 76 const PassME* pass_me = down_cast<const PassME*> (pass); 77 DCHECK(pass_me != nullptr); 78 79 PassMEDataHolder* pass_me_data_holder = down_cast<PassMEDataHolder*>(data); 80 81 // Now we care about flags. 82 if ((pass_me->GetFlag(kOptimizationBasicBlockChange) == true) || 83 (pass_me->GetFlag(kOptimizationDefUsesChange) == true)) { 84 CompilationUnit* c_unit = pass_me_data_holder->c_unit; 85 c_unit->mir_graph.get()->CalculateBasicBlockInformation(); 86 } 87} 88 89} // namespace art 90