GuardWidening.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. //===- GuardWidening.h - ----------------------------------------*- 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. // Guard widening is an optimization over the @llvm.experimental.guard intrinsic
  15. // that (optimistically) combines multiple guards into one to have fewer checks
  16. // at runtime.
  17. //
  18. //===----------------------------------------------------------------------===//
  19. #ifndef LLVM_TRANSFORMS_SCALAR_GUARDWIDENING_H
  20. #define LLVM_TRANSFORMS_SCALAR_GUARDWIDENING_H
  21. #include "llvm/Analysis/LoopInfo.h"
  22. #include "llvm/IR/PassManager.h"
  23. #include "llvm/Transforms/Scalar/LoopPassManager.h"
  24. namespace llvm {
  25. class Function;
  26. struct GuardWideningPass : public PassInfoMixin<GuardWideningPass> {
  27. PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
  28. PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
  29. LoopStandardAnalysisResults &AR, LPMUpdater &U);
  30. };
  31. }
  32. #endif // LLVM_TRANSFORMS_SCALAR_GUARDWIDENING_H
  33. #ifdef __GNUC__
  34. #pragma GCC diagnostic pop
  35. #endif