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diff --git a/clang-r353983/include/llvm/IRReader/IRReader.h b/clang-r353983/include/llvm/IRReader/IRReader.h
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+//===---- 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