LoopPredication.h 1.3 KB

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  1. #pragma once
  2. #ifdef __GNUC__
  3. #pragma GCC diagnostic push
  4. #pragma GCC diagnostic ignored "-Wunused-parameter"
  5. #endif
  6. //===- LoopPredication.h - Guard based loop predication pass ----*- C++ -*-===//
  7. //
  8. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  9. // See https://llvm.org/LICENSE.txt for license information.
  10. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  11. //
  12. //===----------------------------------------------------------------------===//
  13. //
  14. // This pass tries to convert loop variant range checks to loop invariant by
  15. // widening checks across loop iterations.
  16. //
  17. //===----------------------------------------------------------------------===//
  18. #ifndef LLVM_TRANSFORMS_SCALAR_LOOPPREDICATION_H
  19. #define LLVM_TRANSFORMS_SCALAR_LOOPPREDICATION_H
  20. #include "llvm/Analysis/LoopAnalysisManager.h"
  21. #include "llvm/IR/PassManager.h"
  22. namespace llvm {
  23. class LPMUpdater;
  24. class Loop;
  25. /// Performs Loop Predication Pass.
  26. class LoopPredicationPass : public PassInfoMixin<LoopPredicationPass> {
  27. public:
  28. PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
  29. LoopStandardAnalysisResults &AR, LPMUpdater &U);
  30. };
  31. } // end namespace llvm
  32. #endif // LLVM_TRANSFORMS_SCALAR_LOOPPREDICATION_H
  33. #ifdef __GNUC__
  34. #pragma GCC diagnostic pop
  35. #endif