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  1. //===------------ MachineStableHash.h - MIR Stable Hashing Utilities ------===//
  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. // Stable hashing for MachineInstr and MachineOperand. Useful or getting a
  10. // hash across runs, modules, etc.
  11. //
  12. //===----------------------------------------------------------------------===//
  13.  
  14. #ifndef LLVM_CODEGEN_MACHINESTABLEHASH_H
  15. #define LLVM_CODEGEN_MACHINESTABLEHASH_H
  16.  
  17. #include "llvm/CodeGen/StableHashing.h"
  18.  
  19. namespace llvm {
  20. class MachineBasicBlock;
  21. class MachineFunction;
  22. class MachineInstr;
  23. class MachineOperand;
  24.  
  25. stable_hash stableHashValue(const MachineOperand &MO);
  26. stable_hash stableHashValue(const MachineInstr &MI, bool HashVRegs = false,
  27.                             bool HashConstantPoolIndices = false,
  28.                             bool HashMemOperands = false);
  29. stable_hash stableHashValue(const MachineBasicBlock &MBB);
  30. stable_hash stableHashValue(const MachineFunction &MF);
  31.  
  32. } // namespace llvm
  33.  
  34. #endif
  35.