Squashed 'external/capstone/' content from commit 5430745e962

git-subtree-dir: external/capstone
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suite/synctools/tablegen/include/llvm/CodeGen/MachineStableHash.h

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+//===------------ 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 MachineInstr;
+class MachineOperand;
+
+stable_hash stableHashValue(const MachineOperand &MO);
+stable_hash stableHashValue(const MachineInstr &MI, bool HashVRegs = false,
+                            bool HashConstantPoolIndices = false,
+                            bool HashMemOperands = false);
+
+} // namespace llvm
+
+#endif