include/llvm/Transforms/IPO/ElimAvailExtern.h

   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