| 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(Val: StructuralHash(M, DetailedHash: EnableDetailedStructuralHash)) |
| 24 | << "\n"; |
| 25 | for (Function &F : M) { |
| 26 | if (F.isDeclaration()) |
| 27 | continue; |
| 28 | OS << "Function "<< F.getName() << " Hash: " |
| 29 | << Twine::utohexstr(Val: StructuralHash(F, DetailedHash: EnableDetailedStructuralHash)) |
| 30 | << "\n"; |
| 31 | } |
| 32 | return PreservedAnalyses::all(); |
| 33 | } |
| 34 |