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/Module.h" 20 #include "llvm/IR/PassManager.h" 21 22 namespace llvm { 23 24 /// Optimize globals that never have their address taken. 25 class GlobalOptPass : public PassInfoMixin<GlobalOptPass> { 26 public: 27 PreservedAnalyses run(Module &M, AnalysisManager<Module> &AM); 28 }; 29 30 } 31 32 #endif // LLVM_TRANSFORMS_IPO_GLOBALOPT_H 33