- //===--- Canonicalization.h - Set of canonicalization passes ----*- 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 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #ifndef POLLY_CANONICALIZATION_H 
- #define POLLY_CANONICALIZATION_H 
-   
- #include "llvm/Passes/PassBuilder.h" 
-   
- namespace llvm { 
- namespace legacy { 
- class PassManagerBase; 
- } 
- } // namespace llvm 
-   
- namespace polly { 
-   
- /// Schedule a set of canonicalization passes to prepare for Polly. 
- /// 
- /// The set of optimization passes was partially taken/copied from the 
- /// set of default optimization passes in LLVM. It is used to bring the code 
- /// into a canonical form that simplifies the analysis and optimization passes 
- /// of Polly. The set of optimization passes scheduled here is probably not yet 
- /// optimal. TODO: Optimize the set of canonicalization passes. 
- void registerCanonicalicationPasses(llvm::legacy::PassManagerBase &PM); 
-   
- llvm::FunctionPassManager 
- buildCanonicalicationPassesForNPM(llvm::ModulePassManager &MPM, 
-                                   llvm::OptimizationLevel Level); 
-   
- } // namespace polly 
-   
- #endif 
-