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//===- StructuralHash.cpp - Function Hash Printing ------------------------===//
//
// 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 defines the StructuralHashPrinterPass which is used to show
// the structural hash of all functions in a module and the module itself.
//
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/StructuralHash.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/StructuralHash.h"
#include "llvm/Support/CommandLine.h"
using namespace llvm;
PreservedAnalyses StructuralHashPrinterPass::run(Module &M,
ModuleAnalysisManager &MAM) {
OS << "Module Hash: "
<< Twine::utohexstr(StructuralHash(M, EnableDetailedStructuralHash))
<< "\n";
for (Function &F : M) {
if (F.isDeclaration())
continue;
OS << "Function " << F.getName() << " Hash: "
<< Twine::utohexstr(StructuralHash(F, EnableDetailedStructuralHash))
<< "\n";
}
return PreservedAnalyses::all();
}
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