| //===- GlobalSplit.h - global variable splitter -----------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // 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/PassManager.h" |
| |
| namespace llvm { |
| |
| class Module; |
| |
| /// Pass to perform split of global variables. |
| class GlobalSplitPass : public PassInfoMixin<GlobalSplitPass> { |
| public: |
| PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_TRANSFORMS_IPO_GLOBALSPLIT_H |