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
19using namespace llvm;
20
21PreservedAnalyses StructuralHashPrinterPass::run(Module &M,
22 ModuleAnalysisManager &MAM) {
23 OS << "Module Hash: "
24 << Twine::utohexstr(Val: StructuralHash(M, DetailedHash: EnableDetailedStructuralHash))
25 << "\n";
26 for (Function &F : M) {
27 if (F.isDeclaration())
28 continue;
29 OS << "Function " << F.getName() << " Hash: "
30 << Twine::utohexstr(Val: StructuralHash(F, DetailedHash: EnableDetailedStructuralHash))
31 << "\n";
32 }
33 return PreservedAnalyses::all();
34}
35