1 //===- lld/Core/PassManager.h - Manage linker passes ----------------------===// 2 // 3 // The LLVM Linker 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 LLD_CORE_PASS_MANAGER_H 11 #define LLD_CORE_PASS_MANAGER_H 12 13 #include "lld/Common/LLVM.h" 14 #include "lld/Core/Pass.h" 15 #include "llvm/Support/Error.h" 16 #include <memory> 17 #include <vector> 18 19 namespace lld { 20 class SimpleFile; 21 class Pass; 22 23 /// \brief Owns and runs a collection of passes. 24 /// 25 /// This class is currently just a container for passes and a way to run them. 26 /// 27 /// In the future this should handle timing pass runs, running parallel passes, 28 /// and validate/satisfy pass dependencies. 29 class PassManager { 30 public: 31 void add(std::unique_ptr<Pass> pass) { 32 _passes.push_back(std::move(pass)); 33 } 34 35 llvm::Error runOnFile(SimpleFile &file) { 36 for (std::unique_ptr<Pass> &pass : _passes) 37 if (llvm::Error EC = pass->perform(file)) 38 return EC; 39 return llvm::Error::success(); 40 } 41 42 private: 43 /// \brief Passes in the order they should run. 44 std::vector<std::unique_ptr<Pass>> _passes; 45 }; 46 } // end namespace lld 47 48 #endif 49
