- //===------------ MachineStableHash.h - MIR Stable Hashing Utilities ------===// 
- // 
- // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
- // See https://llvm.org/LICENSE.txt for license information. 
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
- // 
- //===----------------------------------------------------------------------===// 
- // 
- // Stable hashing for MachineInstr and MachineOperand. Useful or getting a 
- // hash across runs, modules, etc. 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #ifndef LLVM_CODEGEN_MACHINESTABLEHASH_H 
- #define LLVM_CODEGEN_MACHINESTABLEHASH_H 
-   
- #include "llvm/CodeGen/StableHashing.h" 
-   
- namespace llvm { 
- class MachineBasicBlock; 
- class MachineFunction; 
- class MachineInstr; 
- class MachineOperand; 
-   
- stable_hash stableHashValue(const MachineOperand &MO); 
- stable_hash stableHashValue(const MachineInstr &MI, bool HashVRegs = false, 
-                             bool HashConstantPoolIndices = false, 
-                             bool HashMemOperands = false); 
- stable_hash stableHashValue(const MachineBasicBlock &MBB); 
- stable_hash stableHashValue(const MachineFunction &MF); 
-   
- } // namespace llvm 
-   
- #endif 
-