1 files changed, 41 insertions, 0 deletions
diff --git a/bolt/include/bolt/Core/HashUtilities.h b/bolt/include/bolt/Core/HashUtilities.h
new file mode 100644
index 000000000000..8d445ff83756
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+++ b/bolt/include/bolt/Core/HashUtilities.h
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+//===- bolt/Core/HashUtilities.h - Misc hash 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains functions for computing hash values over BinaryFunction
+// and BinaryBasicBlock.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef BOLT_CORE_HASH_UTILITIES_H
+#define BOLT_CORE_HASH_UTILITIES_H
+
+#include "bolt/Core/BinaryBasicBlock.h"
+#include "bolt/Core/BinaryContext.h"
+
+namespace llvm {
+namespace bolt {
+
+uint16_t hash_64_to_16(const uint64_t Hash);
+
+std::string hashInteger(uint64_t Value);
+
+std::string hashSymbol(BinaryContext &BC, const MCSymbol &Symbol);
+
+std::string hashExpr(BinaryContext &BC, const MCExpr &Expr);
+
+std::string hashInstOperand(BinaryContext &BC, const MCOperand &Operand);
+
+using OperandHashFuncTy = function_ref<typename std::string(const MCOperand &)>;
+
+std::string hashBlock(BinaryContext &BC, const BinaryBasicBlock &BB,
+                      OperandHashFuncTy OperandHashFunc);
+
+} // namespace bolt
+} // namespace llvm
+
+#endif