3a42b1fd3e
This patch adds in a StructuralHash printer pass that prints out the hexadeicmal representation of the hash of a module and all of the functions within it. Reviewed By: aeubanks Differential Revision: https://reviews.llvm.org/D158317
34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
//===- StructuralHash.cpp - Function Hash Printing ------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the StructuralHashPrinterPass which is used to show
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// the structural hash of all functions in a module and the module itself.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Analysis/StructuralHash.h"
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#include "llvm/IR/StructuralHash.h"
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#include "llvm/Support/CommandLine.h"
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using namespace llvm;
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PreservedAnalyses StructuralHashPrinterPass::run(Module &M,
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ModuleAnalysisManager &MAM) {
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OS << "Module Hash: "
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<< Twine::utohexstr(StructuralHash(M, EnableDetailedStructuralHash))
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<< "\n";
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for (Function &F : M) {
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if (F.isDeclaration())
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continue;
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OS << "Function " << F.getName() << " Hash: "
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<< Twine::utohexstr(StructuralHash(F, EnableDetailedStructuralHash))
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<< "\n";
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}
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return PreservedAnalyses::all();
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}
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