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* Copyright (C) 2011 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#include <vector>
#include "compiler_enums.h"
#include "dex/quick/mir_to_lir.h"
#include "dex_instruction.h"
#include "driver/compiler_driver.h"
#include "driver/dex_compilation_unit.h"
#include "safe_map.h"
#include "utils/scoped_arena_allocator.h"
#include "base/timing_logger.h"
#include "utils/arena_allocator.h"
namespace art {
struct ArenaMemBlock;
class Backend;
struct Memstats;
class MIRGraph;
class Mir2Lir;
struct CompilationUnit {
explicit CompilationUnit(ArenaPool* pool);
void StartTimingSplit(const char* label);
void NewTimingSplit(const char* label);
void EndTiming();
* Fields needed/generated by common frontend and generally used throughout
* the compiler.
CompilerDriver* compiler_driver;
ClassLinker* class_linker; // Linker to resolve fields and methods.
const DexFile* dex_file; // DexFile containing the method being compiled.
jobject class_loader; // compiling method's class loader.
uint16_t class_def_idx; // compiling method's defining class definition index.
uint32_t method_idx; // compiling method's index into method_ids of DexFile.
const DexFile::CodeItem* code_item; // compiling method's DexFile code_item.
uint32_t access_flags; // compiling method's access flags.
InvokeType invoke_type; // compiling method's invocation type.
const char* shorty; // compiling method's shorty.
uint32_t disable_opt; // opt_control_vector flags.
uint32_t enable_debug; // debugControlVector flags.
bool verbose;
const Compiler* compiler;
InstructionSet instruction_set;
bool target64;
InstructionSetFeatures GetInstructionSetFeatures() {
return compiler_driver->GetInstructionSetFeatures();
// TODO: much of this info available elsewhere. Go to the original source?
uint16_t num_dalvik_registers; // method->registers_size.
const uint16_t* insns;
uint16_t num_ins;
uint16_t num_outs;
uint16_t num_regs; // Unlike num_dalvik_registers, does not include ins.
// If non-empty, apply optimizer/debug flags only to matching methods.
std::string compiler_method_match;
// Flips sense of compiler_method_match - apply flags if doesn't match.
bool compiler_flip_match;
// TODO: move memory management to mir_graph, or just switch to using standard containers.
ArenaAllocator arena;
ArenaStack arena_stack; // Arenas for ScopedArenaAllocator.
std::unique_ptr<MIRGraph> mir_graph; // MIR container.
std::unique_ptr<Backend> cg; // Target-specific codegen.
TimingLogger timings;
bool print_pass; // Do we want to print a pass or not?
} // namespace art