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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_COMPILATION_UNIT_H_
#define ART_SRC_COMPILER_LLVM_COMPILATION_UNIT_H_
#include "elf_image.h"
#include "globals.h"
#include "instruction_set.h"
#include "logging.h"
#include <UniquePtr.h>
#include <string>
namespace llvm {
class LLVMContext;
class Module;
}
namespace art {
namespace compiler_llvm {
class IRBuilder;
class CompilationUnit {
public:
CompilationUnit(InstructionSet insn_set, size_t elf_idx);
~CompilationUnit();
size_t GetElfIndex() const {
return elf_idx_;
}
InstructionSet GetInstructionSet() const {
return insn_set_;
}
llvm::LLVMContext* GetLLVMContext() const {
return context_.get();
}
llvm::Module* GetModule() const {
return module_;
}
IRBuilder* GetIRBuilder() const {
return irb_.get();
}
std::string const& GetBitcodeFileName() const {
return bitcode_filename_;
}
void SetBitcodeFileName(std::string const& filename) {
bitcode_filename_ = filename;
}
ElfImage GetElfImage() const {
return ElfImage(elf_image_);
}
bool WriteBitcodeToFile();
bool Materialize();
bool IsMaterialized() const {
return (context_.get() == NULL);
}
bool IsMaterializeThresholdReached() const {
return (mem_usage_ > 300000000u); // (threshold: 300 MB)
}
void AddMemUsageApproximation(size_t usage) {
mem_usage_ += usage;
}
private:
InstructionSet insn_set_;
const size_t elf_idx_;
UniquePtr<llvm::LLVMContext> context_;
UniquePtr<IRBuilder> irb_;
llvm::Module* module_;
std::string elf_image_;
std::string bitcode_filename_;
size_t mem_usage_;
};
} // namespace compiler_llvm
} // namespace art
#endif // ART_SRC_COMPILER_LLVM_COMPILATION_UNIT_H_
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