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
20namespace llvm {
21
22class Module;
23
24/// Optimize globals that never have their address taken.
25class GlobalOptPass : public PassInfoMixin<GlobalOptPass> {
26public:
27 PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
28};
29
30} // end namespace llvm
31
32#endif // LLVM_TRANSFORMS_IPO_GLOBALOPT_H
33