//===- llvm/IR/StructuralHash.h - IR Hash for expensive checks --*- C++ -*-===//
 
//
 
// 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 provides hashing of the LLVM IR structure to be used to check
 
// Passes modification status.
 
//
 
//===----------------------------------------------------------------------===//
 
 
 
#ifndef LLVM_IR_STRUCTURALHASH_H
 
#define LLVM_IR_STRUCTURALHASH_H
 
 
 
#ifdef EXPENSIVE_CHECKS
 
 
 
#include <cstdint>
 
 
 
// This header is only meant to be used when -DEXPENSIVE_CHECKS is set
 
namespace llvm {
 
 
 
class Function;
 
class Module;
 
 
 
uint64_t StructuralHash(const Function &F);
 
uint64_t StructuralHash(const Module &M);
 
 
 
} // end namespace llvm
 
 
 
#endif
 
 
 
#endif // LLVM_IR_STRUCTURALHASH_H