//===-- GlobalDCE.h - DCE unreachable internal functions ------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This transform is designed to eliminate unreachable internal globals from the // program. It uses an aggressive algorithm, searching out globals that are // known to be alive. After it finds all of the globals which are needed, it // deletes whatever is left over. This allows it to delete recursive chunks of // the program which are unreachable. // //===----------------------------------------------------------------------===// #ifndef LLVM_TRANSFORMS_IPO_GLOBALDCE_H #define LLVM_TRANSFORMS_IPO_GLOBALDCE_H #include "llvm/ADT/DenseMap.h" #include "llvm/ADT/SmallSet.h" #include "llvm/IR/GlobalValue.h" #include "llvm/IR/PassManager.h" #include <unordered_map> namespace llvm { class Comdat; class Constant; class Function; class GlobalVariable; class Metadata; class Module; class Value; /// Pass to remove unused function declarations. class GlobalDCEPass : public PassInfoMixin<GlobalDCEPass> { … }; } #endif // LLVM_TRANSFORMS_IPO_GLOBALDCE_H