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diff --git a/contrib/llvm-project/llvm/include/llvm/TextAPI/DylibReader.h b/contrib/llvm-project/llvm/include/llvm/TextAPI/DylibReader.h
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+++ b/contrib/llvm-project/llvm/include/llvm/TextAPI/DylibReader.h
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+//===- TextAPI/DylibReader.h - TAPI MachO Dylib Reader ----------*- 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// Defines the MachO Dynamic Library Reader.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TEXTAPI_DYLIBREADER_H
+#define LLVM_TEXTAPI_DYLIBREADER_H
+
+#include "llvm/Support/Error.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/TextAPI/ArchitectureSet.h"
+#include "llvm/TextAPI/RecordsSlice.h"
+
+namespace llvm::MachO::DylibReader {
+
+struct ParseOption {
+  /// Determines arch slice to parse.
+  ArchitectureSet Archs = ArchitectureSet::All();
+  /// Capture Mach-O header from binary, primarily load commands.
+  bool MachOHeader = true;
+  /// Capture defined symbols out of export trie and n-list.
+  bool SymbolTable = true;
+  /// Capture undefined symbols too.
+  bool Undefineds = true;
+};
+
+/// Parse Mach-O dynamic libraries to extract TAPI attributes.
+///
+/// \param Buffer Data that points to dylib.
+/// \param Options Determines which attributes to extract.
+/// \return List of record slices.
+Expected<Records> readFile(MemoryBufferRef Buffer, const ParseOption &Opt);
+
+/// Get TAPI file representation of binary dylib.
+///
+/// \param Buffer Data that points to dylib.
+Expected<std::unique_ptr<InterfaceFile>> get(MemoryBufferRef Buffer);
+
+} // namespace llvm::MachO::DylibReader
+
+#endif // LLVM_TEXTAPI_DYLIBREADER_H