LLVM  9.0.0svn
GlobalOpt.h
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1 //===- GlobalOpt.h - Optimize Global Variables ------------------*- 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 transforms simple global variables that never have their address
10 // taken. If obviously true, it marks read/write globals as constant, deletes
11 // variables only stored to, etc.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_TRANSFORMS_IPO_GLOBALOPT_H
16 #define LLVM_TRANSFORMS_IPO_GLOBALOPT_H
17 
18 #include "llvm/IR/PassManager.h"
19 
20 namespace llvm {
21 
22 class Module;
23 
24 /// Optimize globals that never have their address taken.
25 class GlobalOptPass : public PassInfoMixin<GlobalOptPass> {
26 public:
28 };
29 
30 } // end namespace llvm
31 
32 #endif // LLVM_TRANSFORMS_IPO_GLOBALOPT_H
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
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM)
Definition: GlobalOpt.cpp:2947
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.
Optimize globals that never have their address taken.
Definition: GlobalOpt.h:25