1 //===- GlobalOpt.h - Optimize Global Variables ------------------*- 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 // This pass transforms simple global variables that never have their address 11 // taken. If obviously true, it marks read/write globals as constant, deletes 12 // variables only stored to, etc. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_TRANSFORMS_IPO_GLOBALOPT_H 17 #define LLVM_TRANSFORMS_IPO_GLOBALOPT_H 18 19 #include "llvm/IR/PassManager.h" 20 21 namespace llvm { 22 23 class Module; 24 25 /// Optimize globals that never have their address taken. 26 class GlobalOptPass : public PassInfoMixin<GlobalOptPass> { 27 public: 28 PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); 29 }; 30 31 } // end namespace llvm 32 33 #endif // LLVM_TRANSFORMS_IPO_GLOBALOPT_H 34