1 //===- StructuralHash.cpp - Function Hash Printing ------------------------===// 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 defines the StructuralHashPrinterPass which is used to show 10 // the structural hash of all functions in a module and the module itself. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/Analysis/StructuralHash.h" 15 #include "llvm/IR/Module.h" 16 #include "llvm/IR/StructuralHash.h" 17 #include "llvm/Support/CommandLine.h" 18 19 using namespace llvm; 20 21 PreservedAnalyses StructuralHashPrinterPass::run(Module &M, 22 ModuleAnalysisManager &MAM) { 23 OS << "Module Hash: " 24 << Twine::utohexstr(StructuralHash(M, EnableDetailedStructuralHash)) 25 << "\n"; 26 for (Function &F : M) { 27 if (F.isDeclaration()) 28 continue; 29 OS << "Function " << F.getName() << " Hash: " 30 << Twine::utohexstr(StructuralHash(F, EnableDetailedStructuralHash)) 31 << "\n"; 32 } 33 return PreservedAnalyses::all(); 34 } 35