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diff --git a/contrib/llvm-project/llvm/include/llvm/Object/IRObjectFile.h b/contrib/llvm-project/llvm/include/llvm/Object/IRObjectFile.h
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+++ b/contrib/llvm-project/llvm/include/llvm/Object/IRObjectFile.h
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+//===- IRObjectFile.h - LLVM IR object file implementation ------*- 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 declares the IRObjectFile template class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OBJECT_IROBJECTFILE_H
+#define LLVM_OBJECT_IROBJECTFILE_H
+
+#include "llvm/ADT/PointerUnion.h"
+#include "llvm/Object/IRSymtab.h"
+#include "llvm/Object/ModuleSymbolTable.h"
+#include "llvm/Object/SymbolicFile.h"
+
+namespace llvm {
+class BitcodeModule;
+class Mangler;
+class Module;
+class GlobalValue;
+class Triple;
+
+namespace object {
+class ObjectFile;
+
+class IRObjectFile : public SymbolicFile {
+  std::vector<std::unique_ptr<Module>> Mods;
+  ModuleSymbolTable SymTab;
+  IRObjectFile(MemoryBufferRef Object,
+               std::vector<std::unique_ptr<Module>> Mods);
+
+public:
+  ~IRObjectFile() override;
+  void moveSymbolNext(DataRefImpl &Symb) const override;
+  Error printSymbolName(raw_ostream &OS, DataRefImpl Symb) const override;
+  uint32_t getSymbolFlags(DataRefImpl Symb) const override;
+  basic_symbol_iterator symbol_begin() const override;
+  basic_symbol_iterator symbol_end() const override;
+
+  StringRef getTargetTriple() const;
+
+  static bool classof(const Binary *v) {
+    return v->isIR();
+  }
+
+  using module_iterator =
+      pointee_iterator<std::vector<std::unique_ptr<Module>>::const_iterator,
+                       const Module>;
+
+  module_iterator module_begin() const { return module_iterator(Mods.begin()); }
+  module_iterator module_end() const { return module_iterator(Mods.end()); }
+
+  iterator_range<module_iterator> modules() const {
+    return make_range(module_begin(), module_end());
+  }
+
+  /// Finds and returns bitcode embedded in the given object file, or an
+  /// error code if not found.
+  static Expected<MemoryBufferRef> findBitcodeInObject(const ObjectFile &Obj);
+
+  /// Finds and returns bitcode in the given memory buffer (which may
+  /// be either a bitcode file or a native object file with embedded bitcode),
+  /// or an error code if not found.
+  static Expected<MemoryBufferRef>
+  findBitcodeInMemBuffer(MemoryBufferRef Object);
+
+  static Expected<std::unique_ptr<IRObjectFile>> create(MemoryBufferRef Object,
+                                                        LLVMContext &Context);
+};
+
+/// The contents of a bitcode file and its irsymtab. Any underlying data
+/// for the irsymtab are owned by Symtab and Strtab.
+struct IRSymtabFile {
+  std::vector<BitcodeModule> Mods;
+  SmallVector<char, 0> Symtab, Strtab;
+  irsymtab::Reader TheReader;
+};
+
+/// Reads a bitcode file, creating its irsymtab if necessary.
+Expected<IRSymtabFile> readIRSymtab(MemoryBufferRef MBRef);
+
+}
+
+}
+
+#endif