llvm-bcanalyzer.cpp | Explore in Territory

//===-- llvm-bcanalyzer.cpp - Bitcode Analyzer --------------------------===//
//
// 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 tool may be invoked in the following manner:
//  llvm-bcanalyzer [options]      - Read LLVM bitcode from stdin
//  llvm-bcanalyzer [options] x.bc - Read LLVM bitcode from the x.bc file
//
//  Options:
//      --help            - Output information about command line switches
//      --dump            - Dump low-level bitcode structure in readable format
//      --dump-blockinfo  - Dump the BLOCKINFO_BLOCK, when used with --dump
//
// This tool provides analytical information about a bitcode file. It is
// intended as an aid to developers of bitcode reading and writing software. It
// produces on std::out a summary of the bitcode file that shows various
// statistics about the contents of the file. By default this information is
// detailed and contains information about individual bitcode blocks and the
// functions in the module.
// The tool is also able to print a bitcode file in a straight forward text
// format that shows the containment and relationships of the information in
// the bitcode file (-dump option).
//
//===----------------------------------------------------------------------===//

#include "llvm/Bitcode/BitcodeAnalyzer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/WithColor.h"
#include "llvm/Support/raw_ostream.h"
#include <memory>
#include <optional>
usingnamespacellvm;

static cl::OptionCategory BCAnalyzerCategory("BC Analyzer Options");

static cl::opt<std::string> InputFilename(cl::Positional,
                                          cl::desc("<input bitcode>"),
                                          cl::init("-"),
                                          cl::cat(BCAnalyzerCategory));

static cl::opt<bool> Dump("dump", cl::desc("Dump low level bitcode trace"),
                          cl::cat(BCAnalyzerCategory));

static cl::opt<bool> DumpBlockinfo("dump-blockinfo",
                                   cl::desc("Include BLOCKINFO details in low"
                                            " level dump"),
                                   cl::cat(BCAnalyzerCategory));

//===----------------------------------------------------------------------===//
// Bitcode specific analysis.
//===----------------------------------------------------------------------===//

static cl::opt<bool> NoHistogram("disable-histogram",
                                 cl::desc("Do not print per-code histogram"),
                                 cl::cat(BCAnalyzerCategory));

static cl::opt<bool> NonSymbolic("non-symbolic",
                                 cl::desc("Emit numeric info in dump even if"
                                          " symbolic info is available"),
                                 cl::cat(BCAnalyzerCategory));

static cl::opt<std::string>
    BlockInfoFilename("block-info",
                      cl::desc("Use the BLOCK_INFO from the given file"),
                      cl::cat(BCAnalyzerCategory));

static cl::opt<bool>
    ShowBinaryBlobs("show-binary-blobs",
                    cl::desc("Print binary blobs using hex escapes"),
                    cl::cat(BCAnalyzerCategory));

static cl::opt<std::string> CheckHash(
    "check-hash",
    cl::desc("Check module hash using the argument as a string table"),
    cl::cat(BCAnalyzerCategory));

static Error reportError(StringRef Message) { … }

static Expected<std::unique_ptr<MemoryBuffer>> openBitcodeFile(StringRef Path) { … }

int main(int argc, char **argv) { … }
llvm/llvm/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
