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/*
 * Copyright (C) 2012 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.
 */

#ifndef ART_SRC_COMPILER_LLVM_LLVM_COMPILER_H_
#define ART_SRC_COMPILER_LLVM_LLVM_COMPILER_H_

#include "constants.h"
#include "dex_file.h"
#include "macros.h"

#include <UniquePtr.h>

#include <string>

namespace art {
  class ClassLoader;
  class CompiledMethod;
  class Compiler;
}


namespace llvm {
  class Function;
  class LLVMContext;
  class Module;
  class PointerType;
  class StructType;
  class Type;
}


namespace art {
namespace compiler_llvm {

class IRBuilder;

class CompilerLLVM {
 public:
  CompilerLLVM(Compiler* compiler, InstructionSet insn_set);

  ~CompilerLLVM();

  void MaterializeLLVMModule();

  void WriteBitcodeToFile(std::string const &filename);

  Compiler* GetCompiler() const {
    return compiler_;
  }

  InstructionSet GetInstructionSet() const {
    return insn_set_;
  }

  llvm::Module* GetModule() const {
    return module_;
  }

  llvm::LLVMContext* GetLLVMContext() const {
    return context_.get();
  }

  IRBuilder* GetIRBuilder() const {
    return irb_.get();
  }

  CompiledMethod* CompileDexMethod(DexFile::CodeItem const* code_item,
                                   uint32_t access_flags,
                                   uint32_t method_idx,
                                   ClassLoader const* class_loader,
                                   DexFile const& dex_file);

 private:
  Compiler* compiler_;

  Mutex compiler_lock_;

  InstructionSet insn_set_;

  UniquePtr<llvm::LLVMContext> context_;

  UniquePtr<IRBuilder> irb_;

  llvm::Module* module_;

  DISALLOW_COPY_AND_ASSIGN(CompilerLLVM);
};


} // namespace compiler_llvm
} // namespace art

#endif // ART_SRC_COMPILER_LLVM_LLVM_COMPILER_H_