| //===- llvm/IR/StructuralHash.h - IR Hashing --------------------*- 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 |
| |
| #include <cstdint> |
| |
| namespace llvm { |
| |
| class Function; |
| class Module; |
| |
| using IRHash = uint64_t; |
| |
| /// Returns a hash of the function \p F. |
| /// \param F The function to hash. |
| /// \param DetailedHash Whether or not to encode additional information in the |
| /// hash. The additional information added into the hash when this flag is set |
| /// to true includes instruction and operand type information. |
| IRHash StructuralHash(const Function &F, bool DetailedHash = false); |
| |
| /// Returns a hash of the module \p M by hashing all functions and global |
| /// variables contained within. \param M The module to hash. \param DetailedHash |
| /// Whether or not to encode additional information in the function hashes that |
| /// composed the module hash. |
| IRHash StructuralHash(const Module &M, bool DetailedHash = false); |
| |
| } // end namespace llvm |
| |
| #endif |