1 //===- llvm/IR/StructuralHash.h - IR Hash for expensive checks --*- C++ -*-===// 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 // This file provides hashing of the LLVM IR structure to be used to check 10 // Passes modification status. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_IR_STRUCTURALHASH_H 15 #define LLVM_IR_STRUCTURALHASH_H 16 17 #ifdef EXPENSIVE_CHECKS 18 19 #include <cstdint> 20 21 // This header is only meant to be used when -DEXPENSIVE_CHECKS is set 22 namespace llvm { 23 24 class Function; 25 class Module; 26 27 uint64_t StructuralHash(const Function &F); 28 uint64_t StructuralHash(const Module &M); 29 30 } // end namespace llvm 31 32 #endif 33 34 #endif // LLVM_IR_STRUCTURALHASH_H 35