llvm/llvm/include/llvm/ExecutionEngine/Orc/CompileUtils.h

//===- CompileUtils.h - Utilities for compiling IR in the JIT ---*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Contains utilities for compiling IR to object files.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_EXECUTIONENGINE_ORC_COMPILEUTILS_H
#define LLVM_EXECUTIONENGINE_ORC_COMPILEUTILS_H

#include "llvm/ExecutionEngine/Orc/IRCompileLayer.h"
#include "llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h"
#include "llvm/ExecutionEngine/Orc/Layer.h"
#include <memory>

namespace llvm {

class MemoryBuffer;
class Module;
class ObjectCache;
class TargetMachine;

namespace orc {

IRSymbolMapper::ManglingOptions
irManglingOptionsFromTargetOptions(const TargetOptions &Opts);

/// Simple compile functor: Takes a single IR module and returns an ObjectFile.
/// This compiler supports a single compilation thread and LLVMContext only.
/// For multithreaded compilation, use ConcurrentIRCompiler below.
class SimpleCompiler : public IRCompileLayer::IRCompiler { … };

/// A SimpleCompiler that owns its TargetMachine.
///
/// This is convenient for clients who don't want to own their TargetMachines,
/// e.g. LLJIT.
class TMOwningSimpleCompiler : public SimpleCompiler { … };

/// A thread-safe version of SimpleCompiler.
///
/// This class creates a new TargetMachine and SimpleCompiler instance for each
/// compile.
class ConcurrentIRCompiler : public IRCompileLayer::IRCompiler { … };

} // end namespace orc

} // end namespace llvm

#endif // LLVM_EXECUTIONENGINE_ORC_COMPILEUTILS_H