1 //===- llvm/Transforms/IPO/FunctionImport.h - ThinLTO importing -*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_FUNCTIONIMPORT_H 11 #define LLVM_FUNCTIONIMPORT_H 12 13 #include "llvm/ADT/StringMap.h" 14 #include <functional> 15 16 namespace llvm { 17 class LLVMContext; 18 class Module; 19 class FunctionInfoIndex; 20 21 /// The function importer is automatically importing function from other modules 22 /// based on the provided summary informations. 23 class FunctionImporter { 24 25 /// The summaries index used to trigger importing. 26 const FunctionInfoIndex &Index; 27 28 /// Factory function to load a Module for a given identifier 29 std::function<std::unique_ptr<Module>(StringRef Identifier)> ModuleLoader; 30 31 public: 32 /// Create a Function Importer. 33 FunctionImporter( 34 const FunctionInfoIndex &Index, 35 std::function<std::unique_ptr<Module>(StringRef Identifier)> ModuleLoader) 36 : Index(Index), ModuleLoader(ModuleLoader) {} 37 38 /// Import functions in Module \p M based on the summary informations. 39 bool importFunctions(Module &M); 40 }; 41 } 42 43 #endif // LLVM_FUNCTIONIMPORT_H 44
