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      1 //===- GlobalSplit.h - global variable splitter -----------------*- 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 uses inrange annotations on GEP indices to split globals where
     10 // beneficial. Clang currently attaches these annotations to references to
     11 // virtual table globals under the Itanium ABI for the benefit of the
     12 // whole-program virtual call optimization and control flow integrity passes.
     13 //
     14 //===----------------------------------------------------------------------===//
     15 
     16 #ifndef LLVM_TRANSFORMS_IPO_GLOBALSPLIT_H
     17 #define LLVM_TRANSFORMS_IPO_GLOBALSPLIT_H
     18 
     19 #include "llvm/IR/PassManager.h"
     20 
     21 namespace llvm {
     22 
     23 class Module;
     24 
     25 /// Pass to perform split of global variables.
     26 class GlobalSplitPass : public PassInfoMixin<GlobalSplitPass> {
     27 public:
     28   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
     29 };
     30 
     31 } // end namespace llvm
     32 
     33 #endif // LLVM_TRANSFORMS_IPO_GLOBALSPLIT_H
     34