llvm/CodeGen/MachineStableHash.h

0001 //===------------ MachineStableHash.h - MIR Stable Hashing Utilities ------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // Stable hashing for MachineInstr and MachineOperand. Useful or getting a
0010 // hash across runs, modules, etc.
0011 //
0012 //===----------------------------------------------------------------------===//
0013
0014 #ifndef LLVM_CODEGEN_MACHINESTABLEHASH_H
0015 #define LLVM_CODEGEN_MACHINESTABLEHASH_H
0016
0017 #include "llvm/ADT/StableHashing.h"
0018
0019 namespace llvm {
0020 class MachineBasicBlock;
0021 class MachineFunction;
0022 class MachineInstr;
0023 class MachineOperand;
0024
0025 stable_hash stableHashValue(const MachineOperand &MO);
0026 stable_hash stableHashValue(const MachineInstr &MI, bool HashVRegs = false,
0027                             bool HashConstantPoolIndices = false,
0028                             bool HashMemOperands = false);
0029 stable_hash stableHashValue(const MachineBasicBlock &MBB);
0030 stable_hash stableHashValue(const MachineFunction &MF);
0031
0032 } // namespace llvm
0033
0034 #endif