1 //===- GlobalOpt.h - Optimize Global Variables ------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This pass transforms simple global variables that never have their address
11 // taken.  If obviously true, it marks read/write globals as constant, deletes
12 // variables only stored to, etc.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_TRANSFORMS_IPO_GLOBALOPT_H
17 #define LLVM_TRANSFORMS_IPO_GLOBALOPT_H
18 
19 #include "llvm/IR/PassManager.h"
20 
21 namespace llvm {
22 
23 class Module;
24 
25 /// Optimize globals that never have their address taken.
26 class GlobalOptPass : public PassInfoMixin<GlobalOptPass> {
27 public:
28   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
29 };
30 
31 } // end namespace llvm
32 
33 #endif // LLVM_TRANSFORMS_IPO_GLOBALOPT_H
34