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  1. //===- MachineSizeOpts.h - machine size optimization ------------*- 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 contains some shared machine IR code size optimization related
  10. // code.
  11. //
  12. //===----------------------------------------------------------------------===//
  13. #ifndef LLVM_CODEGEN_MACHINESIZEOPTS_H
  14. #define LLVM_CODEGEN_MACHINESIZEOPTS_H
  15.  
  16. #include "llvm/Transforms/Utils/SizeOpts.h"
  17.  
  18. namespace llvm {
  19.  
  20. class ProfileSummaryInfo;
  21. class MachineBasicBlock;
  22. class MachineBlockFrequencyInfo;
  23. class MachineFunction;
  24. class MBFIWrapper;
  25.  
  26. /// Returns true if machine function \p MF is suggested to be size-optimized
  27. /// based on the profile.
  28. bool shouldOptimizeForSize(const MachineFunction *MF, ProfileSummaryInfo *PSI,
  29.                            const MachineBlockFrequencyInfo *BFI,
  30.                            PGSOQueryType QueryType = PGSOQueryType::Other);
  31. /// Returns true if machine basic block \p MBB is suggested to be size-optimized
  32. /// based on the profile.
  33. bool shouldOptimizeForSize(const MachineBasicBlock *MBB,
  34.                            ProfileSummaryInfo *PSI,
  35.                            const MachineBlockFrequencyInfo *MBFI,
  36.                            PGSOQueryType QueryType = PGSOQueryType::Other);
  37. /// Returns true if machine basic block \p MBB is suggested to be size-optimized
  38. /// based on the profile.
  39. bool shouldOptimizeForSize(const MachineBasicBlock *MBB,
  40.                            ProfileSummaryInfo *PSI,
  41.                            MBFIWrapper *MBFIWrapper,
  42.                            PGSOQueryType QueryType = PGSOQueryType::Other);
  43.  
  44. } // end namespace llvm
  45.  
  46. #endif // LLVM_CODEGEN_MACHINESIZEOPTS_H
  47.