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