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/StructuralHash.h" 16 #include "llvm/Support/CommandLine.h" 17 18 using namespace llvm; 19 20 PreservedAnalyses StructuralHashPrinterPass::run(Module &M, 21 ModuleAnalysisManager &MAM) { 22 OS << "Module Hash: " 23 << Twine::utohexstr(StructuralHash(M, EnableDetailedStructuralHash)) 24 << "\n"; 25 for (Function &F : M) { 26 if (F.isDeclaration()) 27 continue; 28 OS << "Function " << F.getName() << " Hash: " 29 << Twine::utohexstr(StructuralHash(F, EnableDetailedStructuralHash)) 30 << "\n"; 31 } 32 return PreservedAnalyses::all(); 33 } 34