69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
//===---- llvm/IRReader/IRReader.h - Reader for LLVM IR files ---*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines functions for reading LLVM IR. They support both
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// Bitcode and Assembly, automatically detecting the input format.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IRREADER_IRREADER_H
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#define LLVM_IRREADER_IRREADER_H
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringRef.h"
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#include <memory>
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namespace llvm {
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class MemoryBuffer;
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class MemoryBufferRef;
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class Module;
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class SMDiagnostic;
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class LLVMContext;
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typedef llvm::function_ref<Optional<std::string>(StringRef)>
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DataLayoutCallbackTy;
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/// If the given MemoryBuffer holds a bitcode image, return a Module
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/// for it which does lazy deserialization of function bodies. Otherwise,
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/// attempt to parse it as LLVM Assembly and return a fully populated
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/// Module. The ShouldLazyLoadMetadata flag is passed down to the bitcode
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/// reader to optionally enable lazy metadata loading. This takes ownership
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/// of \p Buffer.
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std::unique_ptr<Module> getLazyIRModule(std::unique_ptr<MemoryBuffer> Buffer,
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SMDiagnostic &Err, LLVMContext &Context,
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bool ShouldLazyLoadMetadata = false);
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/// If the given file holds a bitcode image, return a Module
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/// for it which does lazy deserialization of function bodies. Otherwise,
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/// attempt to parse it as LLVM Assembly and return a fully populated
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/// Module. The ShouldLazyLoadMetadata flag is passed down to the bitcode
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/// reader to optionally enable lazy metadata loading.
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std::unique_ptr<Module>
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getLazyIRFileModule(StringRef Filename, SMDiagnostic &Err, LLVMContext &Context,
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bool ShouldLazyLoadMetadata = false);
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/// If the given MemoryBuffer holds a bitcode image, return a Module
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/// for it. Otherwise, attempt to parse it as LLVM Assembly and return
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/// a Module for it.
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/// \param DataLayoutCallback Override datalayout in the llvm assembly.
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std::unique_ptr<Module> parseIR(
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MemoryBufferRef Buffer, SMDiagnostic &Err, LLVMContext &Context,
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DataLayoutCallbackTy DataLayoutCallback = [](StringRef) { return None; });
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/// If the given file holds a bitcode image, return a Module for it.
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/// Otherwise, attempt to parse it as LLVM Assembly and return a Module
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/// for it.
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/// \param DataLayoutCallback Override datalayout in the llvm assembly.
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std::unique_ptr<Module> parseIRFile(
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StringRef Filename, SMDiagnostic &Err, LLVMContext &Context,
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DataLayoutCallbackTy DataLayoutCallback = [](StringRef) { return None; });
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}
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#endif
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