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