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diff --git a/clang-r344140b/include/llvm/IR/GVMaterializer.h b/clang-r344140b/include/llvm/IR/GVMaterializer.h
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+++ b/clang-r344140b/include/llvm/IR/GVMaterializer.h
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+//===- GVMaterializer.h - Interface for GV materializers --------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides an abstract interface for loading a module from some
+// place.  This interface allows incremental or random access loading of
+// functions from the file.  This is useful for applications like JIT compilers
+// or interprocedural optimizers that do not need the entire program in memory
+// at the same time.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_IR_GVMATERIALIZER_H
+#define LLVM_IR_GVMATERIALIZER_H
+
+#include <vector>
+
+namespace llvm {
+
+class Error;
+class GlobalValue;
+class StructType;
+
+class GVMaterializer {
+protected:
+  GVMaterializer() = default;
+
+public:
+  virtual ~GVMaterializer();
+
+  /// Make sure the given GlobalValue is fully read.
+  ///
+  virtual Error materialize(GlobalValue *GV) = 0;
+
+  /// Make sure the entire Module has been completely read.
+  ///
+  virtual Error materializeModule() = 0;
+
+  virtual Error materializeMetadata() = 0;
+  virtual void setStripDebugInfo() = 0;
+
+  virtual std::vector<StructType *> getIdentifiedStructTypes() const = 0;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_IR_GVMATERIALIZER_H