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      1 //===- ElimAvailExtern.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 transform is designed to eliminate available external global
     10 // definitions from the program, turning them into declarations.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef LLVM_TRANSFORMS_IPO_ELIMAVAILEXTERN_H
     15 #define LLVM_TRANSFORMS_IPO_ELIMAVAILEXTERN_H
     16 
     17 #include "llvm/IR/PassManager.h"
     18 
     19 namespace llvm {
     20 
     21 class Module;
     22 
     23 /// A pass that transforms external global definitions into declarations.
     24 class EliminateAvailableExternallyPass
     25     : public PassInfoMixin<EliminateAvailableExternallyPass> {
     26 public:
     27   PreservedAnalyses run(Module &M, ModuleAnalysisManager &);
     28 };
     29 
     30 } // end namespace llvm
     31 
     32 #endif // LLVM_TRANSFORMS_IPO_ELIMAVAILEXTERN_H
     33