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📁 ..
📄 AArch64TargetParser.cpp(8 KB)
📄 ABIBreak.cpp(811 B)
📄 AMDGPUMetadata.cpp(9.37 KB)
📄 APFloat.cpp(155.26 KB)
📄 APInt.cpp(98.08 KB)
📄 APSInt.cpp(1.44 KB)
📄 ARMAttributeParser.cpp(13.94 KB)
📄 ARMBuildAttrs.cpp(3.45 KB)
📄 ARMTargetParser.cpp(18.09 KB)
📄 ARMWinEH.cpp(1.08 KB)
📄 Allocator.cpp(1.35 KB)
📄 Atomic.cpp(1.6 KB)
📄 BinaryStreamError.cpp(1.76 KB)
📄 BinaryStreamReader.cpp(5.24 KB)
📄 BinaryStreamRef.cpp(4.76 KB)
📄 BinaryStreamWriter.cpp(3.36 KB)
📄 BlockFrequency.cpp(2.12 KB)
📄 BranchProbability.cpp(3.44 KB)
📄 BuryPointer.cpp(1.11 KB)
📄 COM.cpp(737 B)
📄 COPYRIGHT.regex(2.65 KB)
📄 CRC.cpp(5.23 KB)
📄 CachePruning.cpp(10.33 KB)
📄 Chrono.cpp(3.17 KB)
📄 CodeGenCoverage.cpp(3.61 KB)
📄 CommandLine.cpp(89.06 KB)
📄 Compression.cpp(3.84 KB)
📄 ConvertUTF.cpp(27.27 KB)
📄 ConvertUTFWrapper.cpp(8.66 KB)
📄 CrashRecoveryContext.cpp(15.45 KB)
📄 DAGDeltaAlgorithm.cpp(12.47 KB)
📄 DJB.cpp(2.71 KB)
📄 DataExtractor.cpp(7.25 KB)
📄 Debug.cpp(5.64 KB)
📄 DebugCounter.cpp(4.95 KB)
📄 DeltaAlgorithm.cpp(3.41 KB)
📄 DynamicLibrary.cpp(6.25 KB)
📄 ELFAttributeParser.cpp(7.27 KB)
📄 ELFAttributes.cpp(1.27 KB)
📄 Errno.cpp(2.18 KB)
📄 Error.cpp(4.72 KB)
📄 ErrorHandling.cpp(11.08 KB)
📄 ExtensibleRTTI.cpp(446 B)
📄 FileCheck.cpp(95.77 KB)
📄 FileCheckImpl.h(34.14 KB)
📄 FileCollector.cpp(9.01 KB)
📄 FileOutputBuffer.cpp(6.62 KB)
📄 FileUtilities.cpp(10.81 KB)
📄 FoldingSet.cpp(15.89 KB)
📄 FormatVariadic.cpp(5.17 KB)
📄 FormattedStream.cpp(5.29 KB)
📄 GlobPattern.cpp(5 KB)
📄 GraphWriter.cpp(9.21 KB)
📄 Hashing.cpp(1.16 KB)
📄 Host.cpp(51.63 KB)
📄 InitLLVM.cpp(1.92 KB)
📄 IntEqClasses.cpp(2.18 KB)
📄 IntervalMap.cpp(4.4 KB)
📄 ItaniumManglingCanonicalizer.cpp(10.77 KB)
📄 JSON.cpp(19.1 KB)
📄 KnownBits.cpp(3.78 KB)
📄 LEB128.cpp(1.19 KB)
📄 LineIterator.cpp(2.61 KB)
📄 Locale.cpp(377 B)
📄 LockFileManager.cpp(10.64 KB)
📄 LowLevelType.cpp(2.09 KB)
📄 MD5.cpp(8.99 KB)
📄 ManagedStatic.cpp(2.37 KB)
📄 MathExtras.cpp(913 B)
📄 MemAlloc.cpp(1.01 KB)
📄 Memory.cpp(1.57 KB)
📄 MemoryBuffer.cpp(18.99 KB)
📄 NativeFormatting.cpp(7.54 KB)
📄 OptimizedStructLayout.cpp(16.7 KB)
📄 Optional.cpp(530 B)
📄 Parallel.cpp(5.08 KB)
📄 Path.cpp(36.52 KB)
📄 PluginLoader.cpp(1.63 KB)
📄 PrettyStackTrace.cpp(10.33 KB)
📄 Process.cpp(3.27 KB)
📄 Program.cpp(3.54 KB)
📄 RISCVAttributeParser.cpp(2.06 KB)
📄 RISCVAttributes.cpp(970 B)
📄 RWMutex.cpp(3.23 KB)
📄 RandomNumberGenerator.cpp(2.86 KB)
📄 Regex.cpp(6.38 KB)
📄 SHA1.cpp(10.43 KB)
📄 ScaledNumber.cpp(9.09 KB)
📄 ScopedPrinter.cpp(1.19 KB)
📄 Signals.cpp(8.35 KB)
📄 Signposts.cpp(3.24 KB)
📄 SmallPtrSet.cpp(9.21 KB)
📄 SmallVector.cpp(3.99 KB)
📄 SourceMgr.cpp(20.08 KB)
📄 SpecialCaseList.cpp(7.48 KB)
📄 Statistic.cpp(8.85 KB)
📄 StringExtras.cpp(4.34 KB)
📄 StringMap.cpp(9.31 KB)
📄 StringRef.cpp(17.41 KB)
📄 StringSaver.cpp(882 B)
📄 SuffixTree.cpp(7.23 KB)
📄 SymbolRemappingReader.cpp(2.94 KB)
📄 SystemUtils.cpp(1.06 KB)
📄 TarWriter.cpp(7.23 KB)
📄 TargetParser.cpp(9.86 KB)
📄 TargetRegistry.cpp(4.6 KB)
📄 ThreadLocal.cpp(1.68 KB)
📄 ThreadPool.cpp(4.4 KB)
📄 Threading.cpp(4.55 KB)
📄 TimeProfiler.cpp(11.63 KB)
📄 Timer.cpp(14.14 KB)
📄 ToolOutputFile.cpp(1.83 KB)
📄 TrigramIndex.cpp(3.24 KB)
📄 Triple.cpp(53.17 KB)
📄 Twine.cpp(4.6 KB)
📄 Unicode.cpp(20.14 KB)
📄 UnicodeCaseFold.cpp(15.32 KB)
📁 Unix
📄 Valgrind.cpp(1.6 KB)
📄 VersionTuple.cpp(2.74 KB)
📄 VirtualFileSystem.cpp(74.17 KB)
📄 Watchdog.cpp(738 B)
📁 Windows
📄 WithColor.cpp(4.35 KB)
📄 X86TargetParser.cpp(27.21 KB)
📄 YAMLParser.cpp(68.53 KB)
📄 YAMLTraits.cpp(28.37 KB)
📄 Z3Solver.cpp(31.44 KB)
📄 circular_raw_ostream.cpp(1.3 KB)
📄 raw_os_ostream.cpp(995 B)
📄 raw_ostream.cpp(28.97 KB)
📄 regcomp.c(39.42 KB)
📄 regengine.inc(26.49 KB)
📄 regerror.c(4.42 KB)
📄 regex2.h(6.82 KB)
📄 regex_impl.h(3.63 KB)
📄 regexec.c(5.71 KB)
📄 regfree.c(2.49 KB)
📄 regstrlcpy.c(1.56 KB)
📄 regutils.h(2.25 KB)
📄 xxhash.cpp(4.07 KB)

Editing: TargetRegistry.cpp

//===--- TargetRegistry.cpp - Target registration -------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "llvm/Support/TargetRegistry.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <vector>
using namespace llvm;

// Clients are responsible for avoid race conditions in registration.
static Target *FirstTarget = nullptr;

iterator_range<TargetRegistry::iterator> TargetRegistry::targets() {
  return make_range(iterator(FirstTarget), iterator());
}

const Target *TargetRegistry::lookupTarget(const std::string &ArchName,
                                           Triple &TheTriple,
                                           std::string &Error) {
  // Allocate target machine.  First, check whether the user has explicitly
  // specified an architecture to compile for. If so we have to look it up by
  // name, because it might be a backend that has no mapping to a target triple.
  const Target *TheTarget = nullptr;
  if (!ArchName.empty()) {
    auto I = find_if(targets(),
                     [&](const Target &T) { return ArchName == T.getName(); });

if (I == targets().end()) {
      Error = "error: invalid target '" + ArchName + "'.\n";
      return nullptr;
    }

TheTarget = &*I;

// Adjust the triple to match (if known), otherwise stick with the
    // given triple.
    Triple::ArchType Type = Triple::getArchTypeForLLVMName(ArchName);
    if (Type != Triple::UnknownArch)
      TheTriple.setArch(Type);
  } else {
    // Get the target specific parser.
    std::string TempError;
    TheTarget = TargetRegistry::lookupTarget(TheTriple.getTriple(), TempError);
    if (!TheTarget) {
      Error = ": error: unable to get target for '"
            + TheTriple.getTriple()
            + "', see --version and --triple.\n";
      return nullptr;
    }
  }

return TheTarget;
}

const Target *TargetRegistry::lookupTarget(const std::string &TT,
                                           std::string &Error) {
  // Provide special warning when no targets are initialized.
  if (targets().begin() == targets().end()) {
    Error = "Unable to find target for this triple (no targets are registered)";
    return nullptr;
  }
  Triple::ArchType Arch = Triple(TT).getArch();
  auto ArchMatch = [&](const Target &T) { return T.ArchMatchFn(Arch); };
  auto I = find_if(targets(), ArchMatch);

if (I == targets().end()) {
    Error = "No available targets are compatible with triple \"" + TT + "\"";
    return nullptr;
  }

auto J = std::find_if(std::next(I), targets().end(), ArchMatch);
  if (J != targets().end()) {
    Error = std::string("Cannot choose between targets \"") + I->Name +
            "\" and \"" + J->Name + "\"";
    return nullptr;
  }

return &*I;
}

void TargetRegistry::RegisterTarget(Target &T, const char *Name,
                                    const char *ShortDesc,
                                    const char *BackendName,
                                    Target::ArchMatchFnTy ArchMatchFn,
                                    bool HasJIT) {
  assert(Name && ShortDesc && ArchMatchFn &&
         "Missing required target information!");

// Check if this target has already been initialized, we allow this as a
  // convenience to some clients.
  if (T.Name)
    return;

// Add to the list of targets.
  T.Next = FirstTarget;
  FirstTarget = &T;

T.Name = Name;
  T.ShortDesc = ShortDesc;
  T.BackendName = BackendName;
  T.ArchMatchFn = ArchMatchFn;
  T.HasJIT = HasJIT;
}

static int TargetArraySortFn(const std::pair<StringRef, const Target *> *LHS,
                             const std::pair<StringRef, const Target *> *RHS) {
  return LHS->first.compare(RHS->first);
}

void TargetRegistry::printRegisteredTargetsForVersion(raw_ostream &OS) {
  std::vector<std::pair<StringRef, const Target*> > Targets;
  size_t Width = 0;
  for (const auto &T : TargetRegistry::targets()) {
    Targets.push_back(std::make_pair(T.getName(), &T));
    Width = std::max(Width, Targets.back().first.size());
  }
  array_pod_sort(Targets.begin(), Targets.end(), TargetArraySortFn);

OS << "  Registered Targets:\n";
  for (unsigned i = 0, e = Targets.size(); i != e; ++i) {
    OS << "    " << Targets[i].first;
    OS.indent(Width - Targets[i].first.size()) << " - "
      << Targets[i].second->getShortDescription() << '\n';
  }
  if (Targets.empty())
    OS << "    (none)\n";
}

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Editing: TargetRegistry.cpp

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