1 files changed, 43 insertions, 0 deletions
diff --git a/contrib/llvm/include/llvm/Transforms/IPO/FunctionImport.h b/contrib/llvm/include/llvm/Transforms/IPO/FunctionImport.h
new file mode 100644
index 0000000..d770779
--- /dev/null
+++ b/contrib/llvm/include/llvm/Transforms/IPO/FunctionImport.h
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+//===- llvm/Transforms/IPO/FunctionImport.h - ThinLTO importing -*- C++ -*-===//
+//
+//                      The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_FUNCTIONIMPORT_H
+#define LLVM_FUNCTIONIMPORT_H
+
+#include "llvm/ADT/StringMap.h"
+#include <functional>
+
+namespace llvm {
+class LLVMContext;
+class Module;
+class FunctionInfoIndex;
+
+/// The function importer is automatically importing function from other modules
+/// based on the provided summary informations.
+class FunctionImporter {
+
+  /// The summaries index used to trigger importing.
+  const FunctionInfoIndex &Index;
+
+  /// Factory function to load a Module for a given identifier
+  std::function<std::unique_ptr<Module>(StringRef Identifier)> ModuleLoader;
+
+public:
+  /// Create a Function Importer.
+  FunctionImporter(
+      const FunctionInfoIndex &Index,
+      std::function<std::unique_ptr<Module>(StringRef Identifier)> ModuleLoader)
+      : Index(Index), ModuleLoader(ModuleLoader) {}
+
+  /// Import functions in Module \p M based on the summary informations.
+  bool importFunctions(Module &M);
+};
+}
+
+#endif // LLVM_FUNCTIONIMPORT_H