1 /* 2 * Copyright (C) 2011 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 #ifndef ART_COMPILER_DEX_COMPILER_IR_H_ 18 #define ART_COMPILER_DEX_COMPILER_IR_H_ 19 20 #include <vector> 21 #include <llvm/IR/Module.h> 22 #include "arena_allocator.h" 23 #include "backend.h" 24 #include "compiler_enums.h" 25 #include "dex/quick/mir_to_lir.h" 26 #include "dex_instruction.h" 27 #include "driver/compiler_driver.h" 28 #include "driver/dex_compilation_unit.h" 29 #include "llvm/intrinsic_helper.h" 30 #include "llvm/ir_builder.h" 31 #include "safe_map.h" 32 33 namespace art { 34 35 class LLVMInfo; 36 namespace llvm { 37 class LlvmCompilationUnit; 38 } // namespace llvm 39 40 struct ArenaMemBlock; 41 struct Memstats; 42 class MIRGraph; 43 class Mir2Lir; 44 45 struct CompilationUnit { CompilationUnitCompilationUnit46 explicit CompilationUnit(ArenaPool* pool) 47 : compiler_driver(NULL), 48 class_linker(NULL), 49 dex_file(NULL), 50 class_loader(NULL), 51 class_def_idx(0), 52 method_idx(0), 53 code_item(NULL), 54 access_flags(0), 55 invoke_type(kDirect), 56 shorty(NULL), 57 disable_opt(0), 58 enable_debug(0), 59 verbose(false), 60 compiler_backend(kNoBackend), 61 instruction_set(kNone), 62 num_dalvik_registers(0), 63 insns(NULL), 64 num_ins(0), 65 num_outs(0), 66 num_regs(0), 67 num_compiler_temps(0), 68 compiler_flip_match(false), 69 arena(pool), 70 mir_graph(NULL), 71 cg(NULL) {} 72 /* 73 * Fields needed/generated by common frontend and generally used throughout 74 * the compiler. 75 */ 76 CompilerDriver* compiler_driver; 77 ClassLinker* class_linker; // Linker to resolve fields and methods. 78 const DexFile* dex_file; // DexFile containing the method being compiled. 79 jobject class_loader; // compiling method's class loader. 80 uint16_t class_def_idx; // compiling method's defining class definition index. 81 uint32_t method_idx; // compiling method's index into method_ids of DexFile. 82 const DexFile::CodeItem* code_item; // compiling method's DexFile code_item. 83 uint32_t access_flags; // compiling method's access flags. 84 InvokeType invoke_type; // compiling method's invocation type. 85 const char* shorty; // compiling method's shorty. 86 uint32_t disable_opt; // opt_control_vector flags. 87 uint32_t enable_debug; // debugControlVector flags. 88 bool verbose; 89 CompilerBackend compiler_backend; 90 InstructionSet instruction_set; 91 92 // TODO: much of this info available elsewhere. Go to the original source? 93 int num_dalvik_registers; // method->registers_size. 94 const uint16_t* insns; 95 int num_ins; 96 int num_outs; 97 int num_regs; // Unlike num_dalvik_registers, does not include ins. 98 99 // TODO: may want to move this to MIRGraph. 100 int num_compiler_temps; 101 102 // If non-empty, apply optimizer/debug flags only to matching methods. 103 std::string compiler_method_match; 104 // Flips sense of compiler_method_match - apply flags if doesn't match. 105 bool compiler_flip_match; 106 107 // TODO: move memory management to mir_graph, or just switch to using standard containers. 108 ArenaAllocator arena; 109 110 UniquePtr<MIRGraph> mir_graph; // MIR container. 111 UniquePtr<Backend> cg; // Target-specific codegen. 112 }; 113 114 } // namespace art 115 116 #endif // ART_COMPILER_DEX_COMPILER_IR_H_ 117