include/llvm/Transforms/IPO/GlobalOpt.h

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