llvm-as.cpp | Explore in Territory

//===--- llvm-as.cpp - The low-level LLVM assembler -----------------------===//
//
// 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 utility may be invoked in the following manner:
//   llvm-as --help         - Output information about command line switches
//   llvm-as [options]      - Read LLVM asm from stdin, write bitcode to stdout
//   llvm-as [options] x.ll - Read LLVM asm from the x.ll file, write bitcode
//                            to the x.bc file.
//
//===----------------------------------------------------------------------===//

#include "llvm/AsmParser/Parser.h"
#include "llvm/Bitcode/BitcodeWriter.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSummaryIndex.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/SystemUtils.h"
#include "llvm/Support/ToolOutputFile.h"
#include <memory>
#include <optional>
usingnamespacellvm;

cl::OptionCategory AsCat("llvm-as Options");

static cl::opt<std::string> InputFilename(cl::Positional,
                                          cl::desc("<input .llvm file>"),
                                          cl::init("-"));

static cl::opt<std::string> OutputFilename("o",
                                           cl::desc("Override output filename"),
                                           cl::value_desc("filename"),
                                           cl::cat(AsCat));

static cl::opt<bool> Force("f", cl::desc("Enable binary output on terminals"),
                           cl::cat(AsCat));

static cl::opt<bool> DisableOutput("disable-output", cl::desc("Disable output"),
                                   cl::init(false), cl::cat(AsCat));

static cl::opt<bool> EmitModuleHash("module-hash", cl::desc("Emit module hash"),
                                    cl::init(false), cl::cat(AsCat));

static cl::opt<bool> DumpAsm("d", cl::desc("Print assembly as parsed"),
                             cl::Hidden, cl::cat(AsCat));

static cl::opt<bool>
    DisableVerify("disable-verify", cl::Hidden,
                  cl::desc("Do not run verifier on input LLVM (dangerous!)"),
                  cl::cat(AsCat));

static cl::opt<bool> PreserveBitcodeUseListOrder(
    "preserve-bc-uselistorder",
    cl::desc("Preserve use-list order when writing LLVM bitcode."),
    cl::init(true), cl::Hidden, cl::cat(AsCat));

static cl::opt<std::string> ClDataLayout("data-layout",
                                         cl::desc("data layout string to use"),
                                         cl::value_desc("layout-string"),
                                         cl::init(""), cl::cat(AsCat));
extern cl::opt<bool> UseNewDbgInfoFormat;
extern bool WriteNewDbgInfoFormatToBitcode;

static void WriteOutputFile(const Module *M, const ModuleSummaryIndex *Index) { … }

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