1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-24 11:42:57 +01:00
llvm-mirror/include/llvm/IRReader/IRReader.h
Scott Linder 5bc2a0e513 [IRReader] Expose getLazyIRModule
Currently there is no way to lazy-load an in-memory IR module without
first writing it to disk. This patch just exposes the existing
implementation of getLazyIRModule.

This is effectively a revert of rL212364

Differential Revision: https://reviews.llvm.org/D56203

llvm-svn: 353755
2019-02-11 22:01:13 +00:00

74 lines
3.3 KiB
C++

//===---- 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/StringRef.h"
#include <memory>
namespace llvm {
class StringRef;
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 UpgradeDebugInfo Run UpgradeDebugInfo, which runs the Verifier.
/// This option should only be set to false by llvm-as
/// for use inside the LLVM testuite!
/// \param DataLayoutString Override datalayout in the llvm assembly.
std::unique_ptr<Module> parseIR(MemoryBufferRef Buffer, SMDiagnostic &Err,
LLVMContext &Context,
bool UpgradeDebugInfo = true,
StringRef DataLayoutString = "");
/// 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 UpgradeDebugInfo Run UpgradeDebugInfo, which runs the Verifier.
/// This option should only be set to false by llvm-as
/// for use inside the LLVM testuite!
/// \param DataLayoutString Override datalayout in the llvm assembly.
std::unique_ptr<Module> parseIRFile(StringRef Filename, SMDiagnostic &Err,
LLVMContext &Context,
bool UpgradeDebugInfo = true,
StringRef DataLayoutString = "");
}
#endif