Home | History | Annotate | Line # | Download | only in IPO 
      1 //===- GlobalOpt.h - Optimize Global Variables ------------------*- C++ -*-===//
      2 //
      3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
      4 // See https://llvm.org/LICENSE.txt for license information.
      5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
      6 //
      7 //===----------------------------------------------------------------------===//
      8 //
      9 // This pass transforms simple global variables that never have their address
     10 // taken.  If obviously true, it marks read/write globals as constant, deletes
     11 // variables only stored to, etc.
     12 //
     13 //===----------------------------------------------------------------------===//
     14 
     15 #ifndef LLVM_TRANSFORMS_IPO_GLOBALOPT_H
     16 #define LLVM_TRANSFORMS_IPO_GLOBALOPT_H
     17 
     18 #include "llvm/IR/PassManager.h"
     19 
     20 namespace llvm {
     21 
     22 class Module;
     23 
     24 /// Optimize globals that never have their address taken.
     25 class GlobalOptPass : public PassInfoMixin<GlobalOptPass> {
     26 public:
     27   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
     28 };
     29 
     30 } // end namespace llvm
     31 
     32 #endif // LLVM_TRANSFORMS_IPO_GLOBALOPT_H
     33