| //===- GlobalSplit.h - global variable splitter -----------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This pass uses inrange annotations on GEP indices to split globals where |
| // beneficial. Clang currently attaches these annotations to references to |
| // virtual table globals under the Itanium ABI for the benefit of the |
| // whole-program virtual call optimization and control flow integrity passes. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TRANSFORMS_IPO_GLOBALSPLIT_H |
| #define LLVM_TRANSFORMS_IPO_GLOBALSPLIT_H |
| |
| #include "llvm/IR/Module.h" |
| #include "llvm/IR/PassManager.h" |
| |
| namespace llvm { |
| /// Pass to perform split of global variables. |
| class GlobalSplitPass : public PassInfoMixin<GlobalSplitPass> { |
| public: |
| PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
| }; |
| } |
| #endif // LLVM_TRANSFORMS_IPO_GLOBALSPLIT_H |