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  1. //==- CanonicalizeFreezeInLoop.h - Canonicalize freezes in a loop-*- 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 file canonicalizes freeze instructions in a loop.
  10. //
  11. //===----------------------------------------------------------------------===//
  12.  
  13. #ifndef LLVM_TRANSFORMS_UTILS_CANONICALIZEFREEZEINLOOPS_H
  14. #define LLVM_TRANSFORMS_UTILS_CANONICALIZEFREEZEINLOOPS_H
  15.  
  16. #include "llvm/Analysis/LoopAnalysisManager.h"
  17. #include "llvm/IR/PassManager.h"
  18.  
  19. namespace llvm {
  20. class Loop;
  21. class LPMUpdater;
  22.  
  23. /// A pass that canonicalizes freeze instructions in a loop.
  24. class CanonicalizeFreezeInLoopsPass
  25.     : public PassInfoMixin<CanonicalizeFreezeInLoopsPass> {
  26. public:
  27.   PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
  28.                         LoopStandardAnalysisResults &AR, LPMUpdater &U);
  29. };
  30.  
  31. } // end namespace llvm
  32.  
  33. #endif // LLVM_TRANSFORMS_UTILS_CANONICALIZEFREEZEINLOOPS_H
  34.