LLVM  10.0.0svn
GlobalSplit.h
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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:
29 };
30 
31 } // end namespace llvm
32 
33 #endif // LLVM_TRANSFORMS_IPO_GLOBALSPLIT_H
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM)
This class represents lattice values for constants.
Definition: AllocatorList.h:23
A Module instance is used to store all the information related to an LLVM module. ...
Definition: Module.h:65
Pass to perform split of global variables.
Definition: GlobalSplit.h:26
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:372
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:153
A container for analyses that lazily runs them and caches their results.
This header defines various interfaces for pass management in LLVM.