Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===---- llvm/IRReader/IRReader.h - Reader for LLVM IR files ---*- 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

//

//===----------------------------------------------------------------------===//

//

// This file defines functions for reading LLVM IR. They support both

// Bitcode and Assembly, automatically detecting the input format.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_IRREADER_IRREADER_H

#define LLVM_IRREADER_IRREADER_H

#include "llvm/ADT/STLFunctionalExtras.h"

#include "llvm/ADT/StringRef.h"

#include "llvm/Bitcode/BitcodeReader.h"

#include <memory>

#include <optional>

namespace llvm {

class MemoryBuffer;

class MemoryBufferRef;

class Module;

class SMDiagnostic;

class LLVMContext;

/// If the given MemoryBuffer holds a bitcode image, return a Module

/// for it which does lazy deserialization of function bodies.  Otherwise,

/// attempt to parse it as LLVM Assembly and return a fully populated

/// Module. The ShouldLazyLoadMetadata flag is passed down to the bitcode

/// reader to optionally enable lazy metadata loading. This takes ownership

/// of \p Buffer.

std::unique_ptr<Module> getLazyIRModule(std::unique_ptr<MemoryBuffer> Buffer,

                                        SMDiagnostic &Err, LLVMContext &Context,

                                        bool ShouldLazyLoadMetadata = false);

/// If the given file holds a bitcode image, return a Module

/// for it which does lazy deserialization of function bodies.  Otherwise,

/// attempt to parse it as LLVM Assembly and return a fully populated

/// Module. The ShouldLazyLoadMetadata flag is passed down to the bitcode

/// reader to optionally enable lazy metadata loading.

std::unique_ptr<Module>

getLazyIRFileModule(StringRef Filename, SMDiagnostic &Err, LLVMContext &Context,

                    bool ShouldLazyLoadMetadata = false);

/// If the given MemoryBuffer holds a bitcode image, return a Module

/// for it.  Otherwise, attempt to parse it as LLVM Assembly and return

/// a Module for it.

/// \param DataLayoutCallback Override datalayout in the llvm assembly.

std::unique_ptr<Module> parseIR(MemoryBufferRef Buffer, SMDiagnostic &Err,

                                LLVMContext &Context,

                                ParserCallbacks Callbacks = {});

/// If the given file holds a bitcode image, return a Module for it.

/// Otherwise, attempt to parse it as LLVM Assembly and return a Module

/// for it.

/// \param DataLayoutCallback Override datalayout in the llvm assembly.

std::unique_ptr<Module> parseIRFile(StringRef Filename, SMDiagnostic &Err,

                                    LLVMContext &Context,

                                    ParserCallbacks Callbacks = {});

}

#endif