131 lines
4.6 KiB
C++
131 lines
4.6 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
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#define ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
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#include "nodes.h"
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#include "builder.h"
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#include "common_compiler_test.h"
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#include "dex_file.h"
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#include "dex_instruction.h"
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#include "handle_scope.h"
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#include "scoped_thread_state_change.h"
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#include "ssa_builder.h"
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#include "ssa_liveness_analysis.h"
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#include "gtest/gtest.h"
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namespace art {
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#define NUM_INSTRUCTIONS(...) \
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(sizeof((uint16_t[]) {__VA_ARGS__}) /sizeof(uint16_t))
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#define N_REGISTERS_CODE_ITEM(NUM_REGS, ...) \
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{ NUM_REGS, 0, 0, 0, 0, 0, NUM_INSTRUCTIONS(__VA_ARGS__), 0, __VA_ARGS__ }
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#define ZERO_REGISTER_CODE_ITEM(...) N_REGISTERS_CODE_ITEM(0, __VA_ARGS__)
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#define ONE_REGISTER_CODE_ITEM(...) N_REGISTERS_CODE_ITEM(1, __VA_ARGS__)
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#define TWO_REGISTERS_CODE_ITEM(...) N_REGISTERS_CODE_ITEM(2, __VA_ARGS__)
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#define THREE_REGISTERS_CODE_ITEM(...) N_REGISTERS_CODE_ITEM(3, __VA_ARGS__)
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#define FOUR_REGISTERS_CODE_ITEM(...) N_REGISTERS_CODE_ITEM(4, __VA_ARGS__)
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#define FIVE_REGISTERS_CODE_ITEM(...) N_REGISTERS_CODE_ITEM(5, __VA_ARGS__)
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#define SIX_REGISTERS_CODE_ITEM(...) N_REGISTERS_CODE_ITEM(6, __VA_ARGS__)
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LiveInterval* BuildInterval(const size_t ranges[][2],
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size_t number_of_ranges,
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ArenaAllocator* allocator,
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int reg = -1,
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HInstruction* defined_by = nullptr) {
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LiveInterval* interval = LiveInterval::MakeInterval(allocator, Primitive::kPrimInt, defined_by);
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if (defined_by != nullptr) {
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defined_by->SetLiveInterval(interval);
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}
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for (size_t i = number_of_ranges; i > 0; --i) {
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interval->AddRange(ranges[i - 1][0], ranges[i - 1][1]);
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}
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interval->SetRegister(reg);
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return interval;
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}
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void RemoveSuspendChecks(HGraph* graph) {
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for (HBasicBlock* block : graph->GetBlocks()) {
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if (block != nullptr) {
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if (block->GetLoopInformation() != nullptr) {
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block->GetLoopInformation()->SetSuspendCheck(nullptr);
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}
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for (HInstructionIterator it(block->GetInstructions()); !it.Done(); it.Advance()) {
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HInstruction* current = it.Current();
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if (current->IsSuspendCheck()) {
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current->GetBlock()->RemoveInstruction(current);
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}
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}
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}
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}
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}
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inline HGraph* CreateGraph(ArenaAllocator* allocator) {
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return new (allocator) HGraph(
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allocator,
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*reinterpret_cast<DexFile*>(allocator->Alloc(sizeof(DexFile))),
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/*method_idx*/-1,
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kRuntimeISA);
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}
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// Create a control-flow graph from Dex instructions.
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inline HGraph* CreateCFG(ArenaAllocator* allocator,
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const uint16_t* data,
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Primitive::Type return_type = Primitive::kPrimInt) {
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const DexFile::CodeItem* item =
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reinterpret_cast<const DexFile::CodeItem*>(data);
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HGraph* graph = CreateGraph(allocator);
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{
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ScopedObjectAccess soa(Thread::Current());
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VariableSizedHandleScope handles(soa.Self());
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HGraphBuilder builder(graph, *item, &handles, return_type);
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bool graph_built = (builder.BuildGraph() == kAnalysisSuccess);
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return graph_built ? graph : nullptr;
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}
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}
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// Naive string diff data type.
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typedef std::list<std::pair<std::string, std::string>> diff_t;
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// An alias for the empty string used to make it clear that a line is
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// removed in a diff.
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static const std::string removed = "";
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// Naive patch command: apply a diff to a string.
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inline std::string Patch(const std::string& original, const diff_t& diff) {
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std::string result = original;
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for (const auto& p : diff) {
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std::string::size_type pos = result.find(p.first);
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DCHECK_NE(pos, std::string::npos)
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<< "Could not find: \"" << p.first << "\" in \"" << result << "\"";
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result.replace(pos, p.first.size(), p.second);
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}
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return result;
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}
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// Returns if the instruction is removed from the graph.
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inline bool IsRemoved(HInstruction* instruction) {
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return instruction->GetBlock() == nullptr;
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}
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} // namespace art
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#endif // ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
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