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