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
21namespace llvm {
22
23class Module;
24
25/// Pass to perform split of global variables.
26class GlobalSplitPass : public PassInfoMixin<GlobalSplitPass> {
27public:
28 PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
29};
30
31} // end namespace llvm
32
33#endif // LLVM_TRANSFORMS_IPO_GLOBALSPLIT_H
34