YDB Import 588

1384556be6811c00a4098d426b8eda9be6d2a541

1 files changed, 0 insertions, 4716 deletions

diff --git a/contrib/libs/clang14/lib/Frontend/CompilerInvocation.cpp b/contrib/libs/clang14/lib/Frontend/CompilerInvocation.cpp
deleted file mode 100644
index e21132ed019..00000000000
--- a/contrib/libs/clang14/lib/Frontend/CompilerInvocation.cpp
+++ /dev/null
@@ -1,4716 +0,0 @@
-//===- CompilerInvocation.cpp ---------------------------------------------===//
-//
-// 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 "clang/Frontend/CompilerInvocation.h"
-#include "TestModuleFileExtension.h"
-#include "clang/Basic/Builtins.h"
-#include "clang/Basic/CharInfo.h"
-#include "clang/Basic/CodeGenOptions.h"
-#include "clang/Basic/CommentOptions.h"
-#include "clang/Basic/DebugInfoOptions.h"
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/DiagnosticDriver.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Basic/FileSystemOptions.h"
-#include "clang/Basic/LLVM.h"
-#include "clang/Basic/LangOptions.h"
-#include "clang/Basic/LangStandard.h"
-#include "clang/Basic/ObjCRuntime.h"
-#include "clang/Basic/Sanitizers.h"
-#include "clang/Basic/SourceLocation.h"
-#include "clang/Basic/TargetOptions.h"
-#include "clang/Basic/Version.h"
-#include "clang/Basic/Visibility.h"
-#include "clang/Basic/XRayInstr.h"
-#include "clang/Config/config.h"
-#include "clang/Driver/Driver.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Frontend/CommandLineSourceLoc.h"
-#include "clang/Frontend/DependencyOutputOptions.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/FrontendOptions.h"
-#include "clang/Frontend/FrontendPluginRegistry.h"
-#include "clang/Frontend/MigratorOptions.h"
-#include "clang/Frontend/PreprocessorOutputOptions.h"
-#include "clang/Frontend/TextDiagnosticBuffer.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/Lex/HeaderSearchOptions.h"
-#include "clang/Lex/PreprocessorOptions.h"
-#include "clang/Sema/CodeCompleteOptions.h"
-#include "clang/Serialization/ASTBitCodes.h"
-#include "clang/Serialization/ModuleFileExtension.h"
-#include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
-#include "llvm/ADT/APInt.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/CachedHashString.h"
-#include "llvm/ADT/DenseSet.h"
-#include "llvm/ADT/FloatingPointMode.h"
-#include "llvm/ADT/Hashing.h"
-#include "llvm/ADT/None.h"
-#include "llvm/ADT/Optional.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Config/llvm-config.h"
-#include "llvm/IR/DebugInfoMetadata.h"
-#include "llvm/Linker/Linker.h"
-#include "llvm/MC/MCTargetOptions.h"
-#include "llvm/Option/Arg.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptSpecifier.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Option/Option.h"
-#include "llvm/ProfileData/InstrProfReader.h"
-#include "llvm/Remarks/HotnessThresholdParser.h"
-#include "llvm/Support/CodeGen.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ErrorOr.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/HashBuilder.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/Regex.h"
-#include "llvm/Support/VersionTuple.h"
-#include "llvm/Support/VirtualFileSystem.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetOptions.h"
-#include <algorithm>
-#include <atomic>
-#include <cassert>
-#include <cstddef>
-#include <cstring>
-#include <memory>
-#include <string>
-#include <tuple>
-#include <type_traits>
-#include <utility>
-#include <vector>
-
-using namespace clang;
-using namespace driver;
-using namespace options;
-using namespace llvm::opt;
-
-//===----------------------------------------------------------------------===//
-// Initialization.
-//===----------------------------------------------------------------------===//
-
-CompilerInvocationRefBase::CompilerInvocationRefBase()
-    : LangOpts(new LangOptions()), TargetOpts(new TargetOptions()),
-      DiagnosticOpts(new DiagnosticOptions()),
-      HeaderSearchOpts(new HeaderSearchOptions()),
-      PreprocessorOpts(new PreprocessorOptions()),
-      AnalyzerOpts(new AnalyzerOptions()) {}
-
-CompilerInvocationRefBase::CompilerInvocationRefBase(
-    const CompilerInvocationRefBase &X)
-    : LangOpts(new LangOptions(*X.getLangOpts())),
-      TargetOpts(new TargetOptions(X.getTargetOpts())),
-      DiagnosticOpts(new DiagnosticOptions(X.getDiagnosticOpts())),
-      HeaderSearchOpts(new HeaderSearchOptions(X.getHeaderSearchOpts())),
-      PreprocessorOpts(new PreprocessorOptions(X.getPreprocessorOpts())),
-      AnalyzerOpts(new AnalyzerOptions(*X.getAnalyzerOpts())) {}
-
-CompilerInvocationRefBase::CompilerInvocationRefBase(
-    CompilerInvocationRefBase &&X) = default;
-
-CompilerInvocationRefBase &
-CompilerInvocationRefBase::operator=(CompilerInvocationRefBase X) {
-  LangOpts.swap(X.LangOpts);
-  TargetOpts.swap(X.TargetOpts);
-  DiagnosticOpts.swap(X.DiagnosticOpts);
-  HeaderSearchOpts.swap(X.HeaderSearchOpts);
-  PreprocessorOpts.swap(X.PreprocessorOpts);
-  AnalyzerOpts.swap(X.AnalyzerOpts);
-  return *this;
-}
-
-CompilerInvocationRefBase &
-CompilerInvocationRefBase::operator=(CompilerInvocationRefBase &&X) = default;
-
-CompilerInvocationRefBase::~CompilerInvocationRefBase() = default;
-
-//===----------------------------------------------------------------------===//
-// Normalizers
-//===----------------------------------------------------------------------===//
-
-#define SIMPLE_ENUM_VALUE_TABLE
-#include "clang/Driver/Options.inc"
-#undef SIMPLE_ENUM_VALUE_TABLE
-
-static llvm::Optional<bool> normalizeSimpleFlag(OptSpecifier Opt,
-                                                unsigned TableIndex,
-                                                const ArgList &Args,
-                                                DiagnosticsEngine &Diags) {
-  if (Args.hasArg(Opt))
-    return true;
-  return None;
-}
-
-static Optional<bool> normalizeSimpleNegativeFlag(OptSpecifier Opt, unsigned,
-                                                  const ArgList &Args,
-                                                  DiagnosticsEngine &) {
-  if (Args.hasArg(Opt))
-    return false;
-  return None;
-}
-
-/// The tblgen-erated code passes in a fifth parameter of an arbitrary type, but
-/// denormalizeSimpleFlags never looks at it. Avoid bloating compile-time with
-/// unnecessary template instantiations and just ignore it with a variadic
-/// argument.
-static void denormalizeSimpleFlag(SmallVectorImpl<const char *> &Args,
-                                  const char *Spelling,
-                                  CompilerInvocation::StringAllocator,
-                                  Option::OptionClass, unsigned, /*T*/...) {
-  Args.push_back(Spelling);
-}
-
-template <typename T> static constexpr bool is_uint64_t_convertible() {
-  return !std::is_same<T, uint64_t>::value &&
-         llvm::is_integral_or_enum<T>::value;
-}
-
-template <typename T,
-          std::enable_if_t<!is_uint64_t_convertible<T>(), bool> = false>
-static auto makeFlagToValueNormalizer(T Value) {
-  return [Value](OptSpecifier Opt, unsigned, const ArgList &Args,
-                 DiagnosticsEngine &) -> Optional<T> {
-    if (Args.hasArg(Opt))
-      return Value;
-    return None;
-  };
-}
-
-template <typename T,
-          std::enable_if_t<is_uint64_t_convertible<T>(), bool> = false>
-static auto makeFlagToValueNormalizer(T Value) {
-  return makeFlagToValueNormalizer(uint64_t(Value));
-}
-
-static auto makeBooleanOptionNormalizer(bool Value, bool OtherValue,
-                                        OptSpecifier OtherOpt) {
-  return [Value, OtherValue, OtherOpt](OptSpecifier Opt, unsigned,
-                                       const ArgList &Args,
-                                       DiagnosticsEngine &) -> Optional<bool> {
-    if (const Arg *A = Args.getLastArg(Opt, OtherOpt)) {
-      return A->getOption().matches(Opt) ? Value : OtherValue;
-    }
-    return None;
-  };
-}
-
-static auto makeBooleanOptionDenormalizer(bool Value) {
-  return [Value](SmallVectorImpl<const char *> &Args, const char *Spelling,
-                 CompilerInvocation::StringAllocator, Option::OptionClass,
-                 unsigned, bool KeyPath) {
-    if (KeyPath == Value)
-      Args.push_back(Spelling);
-  };
-}
-
-static void denormalizeStringImpl(SmallVectorImpl<const char *> &Args,
-                                  const char *Spelling,
-                                  CompilerInvocation::StringAllocator SA,
-                                  Option::OptionClass OptClass, unsigned,
-                                  const Twine &Value) {
-  switch (OptClass) {
-  case Option::SeparateClass:
-  case Option::JoinedOrSeparateClass:
-  case Option::JoinedAndSeparateClass:
-    Args.push_back(Spelling);
-    Args.push_back(SA(Value));
-    break;
-  case Option::JoinedClass:
-  case Option::CommaJoinedClass:
-    Args.push_back(SA(Twine(Spelling) + Value));
-    break;
-  default:
-    llvm_unreachable("Cannot denormalize an option with option class "
-                     "incompatible with string denormalization.");
-  }
-}
-
-template <typename T>
-static void
-denormalizeString(SmallVectorImpl<const char *> &Args, const char *Spelling,
-                  CompilerInvocation::StringAllocator SA,
-                  Option::OptionClass OptClass, unsigned TableIndex, T Value) {
-  denormalizeStringImpl(Args, Spelling, SA, OptClass, TableIndex, Twine(Value));
-}
-
-static Optional<SimpleEnumValue>
-findValueTableByName(const SimpleEnumValueTable &Table, StringRef Name) {
-  for (int I = 0, E = Table.Size; I != E; ++I)
-    if (Name == Table.Table[I].Name)
-      return Table.Table[I];
-
-  return None;
-}
-
-static Optional<SimpleEnumValue>
-findValueTableByValue(const SimpleEnumValueTable &Table, unsigned Value) {
-  for (int I = 0, E = Table.Size; I != E; ++I)
-    if (Value == Table.Table[I].Value)
-      return Table.Table[I];
-
-  return None;
-}
-
-static llvm::Optional<unsigned> normalizeSimpleEnum(OptSpecifier Opt,
-                                                    unsigned TableIndex,
-                                                    const ArgList &Args,
-                                                    DiagnosticsEngine &Diags) {
-  assert(TableIndex < SimpleEnumValueTablesSize);
-  const SimpleEnumValueTable &Table = SimpleEnumValueTables[TableIndex];
-
-  auto *Arg = Args.getLastArg(Opt);
-  if (!Arg)
-    return None;
-
-  StringRef ArgValue = Arg->getValue();
-  if (auto MaybeEnumVal = findValueTableByName(Table, ArgValue))
-    return MaybeEnumVal->Value;
-
-  Diags.Report(diag::err_drv_invalid_value)
-      << Arg->getAsString(Args) << ArgValue;
-  return None;
-}
-
-static void denormalizeSimpleEnumImpl(SmallVectorImpl<const char *> &Args,
-                                      const char *Spelling,
-                                      CompilerInvocation::StringAllocator SA,
-                                      Option::OptionClass OptClass,
-                                      unsigned TableIndex, unsigned Value) {
-  assert(TableIndex < SimpleEnumValueTablesSize);
-  const SimpleEnumValueTable &Table = SimpleEnumValueTables[TableIndex];
-  if (auto MaybeEnumVal = findValueTableByValue(Table, Value)) {
-    denormalizeString(Args, Spelling, SA, OptClass, TableIndex,
-                      MaybeEnumVal->Name);
-  } else {
-    llvm_unreachable("The simple enum value was not correctly defined in "
-                     "the tablegen option description");
-  }
-}
-
-template <typename T>
-static void denormalizeSimpleEnum(SmallVectorImpl<const char *> &Args,
-                                  const char *Spelling,
-                                  CompilerInvocation::StringAllocator SA,
-                                  Option::OptionClass OptClass,
-                                  unsigned TableIndex, T Value) {
-  return denormalizeSimpleEnumImpl(Args, Spelling, SA, OptClass, TableIndex,
-                                   static_cast<unsigned>(Value));
-}
-
-static Optional<std::string> normalizeString(OptSpecifier Opt, int TableIndex,
-                                             const ArgList &Args,
-                                             DiagnosticsEngine &Diags) {
-  auto *Arg = Args.getLastArg(Opt);
-  if (!Arg)
-    return None;
-  return std::string(Arg->getValue());
-}
-
-template <typename IntTy>
-static Optional<IntTy> normalizeStringIntegral(OptSpecifier Opt, int,
-                                               const ArgList &Args,
-                                               DiagnosticsEngine &Diags) {
-  auto *Arg = Args.getLastArg(Opt);
-  if (!Arg)
-    return None;
-  IntTy Res;
-  if (StringRef(Arg->getValue()).getAsInteger(0, Res)) {
-    Diags.Report(diag::err_drv_invalid_int_value)
-        << Arg->getAsString(Args) << Arg->getValue();
-    return None;
-  }
-  return Res;
-}
-
-static Optional<std::vector<std::string>>
-normalizeStringVector(OptSpecifier Opt, int, const ArgList &Args,
-                      DiagnosticsEngine &) {
-  return Args.getAllArgValues(Opt);
-}
-
-static void denormalizeStringVector(SmallVectorImpl<const char *> &Args,
-                                    const char *Spelling,
-                                    CompilerInvocation::StringAllocator SA,
-                                    Option::OptionClass OptClass,
-                                    unsigned TableIndex,
-                                    const std::vector<std::string> &Values) {
-  switch (OptClass) {
-  case Option::CommaJoinedClass: {
-    std::string CommaJoinedValue;
-    if (!Values.empty()) {
-      CommaJoinedValue.append(Values.front());
-      for (const std::string &Value : llvm::drop_begin(Values, 1)) {
-        CommaJoinedValue.append(",");
-        CommaJoinedValue.append(Value);
-      }
-    }
-    denormalizeString(Args, Spelling, SA, Option::OptionClass::JoinedClass,
-                      TableIndex, CommaJoinedValue);
-    break;
-  }
-  case Option::JoinedClass:
-  case Option::SeparateClass:
-  case Option::JoinedOrSeparateClass:
-    for (const std::string &Value : Values)
-      denormalizeString(Args, Spelling, SA, OptClass, TableIndex, Value);
-    break;
-  default:
-    llvm_unreachable("Cannot denormalize an option with option class "
-                     "incompatible with string vector denormalization.");
-  }
-}
-
-static Optional<std::string> normalizeTriple(OptSpecifier Opt, int TableIndex,
-                                             const ArgList &Args,
-                                             DiagnosticsEngine &Diags) {
-  auto *Arg = Args.getLastArg(Opt);
-  if (!Arg)
-    return None;
-  return llvm::Triple::normalize(Arg->getValue());
-}
-
-template <typename T, typename U>
-static T mergeForwardValue(T KeyPath, U Value) {
-  return static_cast<T>(Value);
-}
-
-template <typename T, typename U> static T mergeMaskValue(T KeyPath, U Value) {
-  return KeyPath | Value;
-}
-
-template <typename T> static T extractForwardValue(T KeyPath) {
-  return KeyPath;
-}
-
-template <typename T, typename U, U Value>
-static T extractMaskValue(T KeyPath) {
-  return ((KeyPath & Value) == Value) ? static_cast<T>(Value) : T();
-}
-
-#define PARSE_OPTION_WITH_MARSHALLING(                                         \
-    ARGS, DIAGS, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,       \
-    IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)             \
-  if ((FLAGS)&options::CC1Option) {                                            \
-    KEYPATH = MERGER(KEYPATH, DEFAULT_VALUE);                                  \
-    if (IMPLIED_CHECK)                                                         \
-      KEYPATH = MERGER(KEYPATH, IMPLIED_VALUE);                                \
-    if (SHOULD_PARSE)                                                          \
-      if (auto MaybeValue = NORMALIZER(OPT_##ID, TABLE_INDEX, ARGS, DIAGS))    \
-        KEYPATH =                                                              \
-            MERGER(KEYPATH, static_cast<decltype(KEYPATH)>(*MaybeValue));      \
-  }
-
-// Capture the extracted value as a lambda argument to avoid potential issues
-// with lifetime extension of the reference.
-#define GENERATE_OPTION_WITH_MARSHALLING(                                      \
-    ARGS, STRING_ALLOCATOR, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH,       \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR,      \
-    TABLE_INDEX)                                                               \
-  if ((FLAGS)&options::CC1Option) {                                            \
-    [&](const auto &Extracted) {                                               \
-      if (ALWAYS_EMIT ||                                                       \
-          (Extracted !=                                                        \
-           static_cast<decltype(KEYPATH)>((IMPLIED_CHECK) ? (IMPLIED_VALUE)    \
-                                                          : (DEFAULT_VALUE)))) \
-        DENORMALIZER(ARGS, SPELLING, STRING_ALLOCATOR, Option::KIND##Class,    \
-                     TABLE_INDEX, Extracted);                                  \
-    }(EXTRACTOR(KEYPATH));                                                     \
-  }
-
-static StringRef GetInputKindName(InputKind IK);
-
-static bool FixupInvocation(CompilerInvocation &Invocation,
-                            DiagnosticsEngine &Diags, const ArgList &Args,
-                            InputKind IK) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  LangOptions &LangOpts = *Invocation.getLangOpts();
-  CodeGenOptions &CodeGenOpts = Invocation.getCodeGenOpts();
-  TargetOptions &TargetOpts = Invocation.getTargetOpts();
-  FrontendOptions &FrontendOpts = Invocation.getFrontendOpts();
-  CodeGenOpts.XRayInstrumentFunctions = LangOpts.XRayInstrument;
-  CodeGenOpts.XRayAlwaysEmitCustomEvents = LangOpts.XRayAlwaysEmitCustomEvents;
-  CodeGenOpts.XRayAlwaysEmitTypedEvents = LangOpts.XRayAlwaysEmitTypedEvents;
-  CodeGenOpts.DisableFree = FrontendOpts.DisableFree;
-  FrontendOpts.GenerateGlobalModuleIndex = FrontendOpts.UseGlobalModuleIndex;
-  if (FrontendOpts.ShowStats)
-    CodeGenOpts.ClearASTBeforeBackend = false;
-  LangOpts.SanitizeCoverage = CodeGenOpts.hasSanitizeCoverage();
-  LangOpts.ForceEmitVTables = CodeGenOpts.ForceEmitVTables;
-  LangOpts.SpeculativeLoadHardening = CodeGenOpts.SpeculativeLoadHardening;
-  LangOpts.CurrentModule = LangOpts.ModuleName;
-
-  llvm::Triple T(TargetOpts.Triple);
-  llvm::Triple::ArchType Arch = T.getArch();
-
-  CodeGenOpts.CodeModel = TargetOpts.CodeModel;
-
-  if (LangOpts.getExceptionHandling() !=
-          LangOptions::ExceptionHandlingKind::None &&
-      T.isWindowsMSVCEnvironment())
-    Diags.Report(diag::err_fe_invalid_exception_model)
-        << static_cast<unsigned>(LangOpts.getExceptionHandling()) << T.str();
-
-  if (LangOpts.AppleKext && !LangOpts.CPlusPlus)
-    Diags.Report(diag::warn_c_kext);
-
-  if (Args.hasArg(OPT_fconcepts_ts))
-    Diags.Report(diag::warn_fe_concepts_ts_flag);
-
-  if (LangOpts.NewAlignOverride &&
-      !llvm::isPowerOf2_32(LangOpts.NewAlignOverride)) {
-    Arg *A = Args.getLastArg(OPT_fnew_alignment_EQ);
-    Diags.Report(diag::err_fe_invalid_alignment)
-        << A->getAsString(Args) << A->getValue();
-    LangOpts.NewAlignOverride = 0;
-  }
-
-  // Prevent the user from specifying both -fsycl-is-device and -fsycl-is-host.
-  if (LangOpts.SYCLIsDevice && LangOpts.SYCLIsHost)
-    Diags.Report(diag::err_drv_argument_not_allowed_with) << "-fsycl-is-device"
-                                                          << "-fsycl-is-host";
-
-  if (Args.hasArg(OPT_fgnu89_inline) && LangOpts.CPlusPlus)
-    Diags.Report(diag::err_drv_argument_not_allowed_with)
-        << "-fgnu89-inline" << GetInputKindName(IK);
-
-  if (Args.hasArg(OPT_fgpu_allow_device_init) && !LangOpts.HIP)
-    Diags.Report(diag::warn_ignored_hip_only_option)
-        << Args.getLastArg(OPT_fgpu_allow_device_init)->getAsString(Args);
-
-  if (Args.hasArg(OPT_gpu_max_threads_per_block_EQ) && !LangOpts.HIP)
-    Diags.Report(diag::warn_ignored_hip_only_option)
-        << Args.getLastArg(OPT_gpu_max_threads_per_block_EQ)->getAsString(Args);
-
-  // -cl-strict-aliasing needs to emit diagnostic in the case where CL > 1.0.
-  // This option should be deprecated for CL > 1.0 because
-  // this option was added for compatibility with OpenCL 1.0.
-  if (Args.getLastArg(OPT_cl_strict_aliasing) &&
-      (LangOpts.getOpenCLCompatibleVersion() > 100))
-    Diags.Report(diag::warn_option_invalid_ocl_version)
-        << LangOpts.getOpenCLVersionString()
-        << Args.getLastArg(OPT_cl_strict_aliasing)->getAsString(Args);
-
-  if (Arg *A = Args.getLastArg(OPT_fdefault_calling_conv_EQ)) {
-    auto DefaultCC = LangOpts.getDefaultCallingConv();
-
-    bool emitError = (DefaultCC == LangOptions::DCC_FastCall ||
-                      DefaultCC == LangOptions::DCC_StdCall) &&
-                     Arch != llvm::Triple::x86;
-    emitError |= (DefaultCC == LangOptions::DCC_VectorCall ||
-                  DefaultCC == LangOptions::DCC_RegCall) &&
-                 !T.isX86();
-    if (emitError)
-      Diags.Report(diag::err_drv_argument_not_allowed_with)
-          << A->getSpelling() << T.getTriple();
-  }
-
-  if (!CodeGenOpts.ProfileRemappingFile.empty() && CodeGenOpts.LegacyPassManager)
-    Diags.Report(diag::err_drv_argument_only_allowed_with)
-        << Args.getLastArg(OPT_fprofile_remapping_file_EQ)->getAsString(Args)
-        << "-fno-legacy-pass-manager";
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-//===----------------------------------------------------------------------===//
-// Deserialization (from args)
-//===----------------------------------------------------------------------===//
-
-static unsigned getOptimizationLevel(ArgList &Args, InputKind IK,
-                                     DiagnosticsEngine &Diags) {
-  unsigned DefaultOpt = llvm::CodeGenOpt::None;
-  if ((IK.getLanguage() == Language::OpenCL ||
-       IK.getLanguage() == Language::OpenCLCXX) &&
-      !Args.hasArg(OPT_cl_opt_disable))
-    DefaultOpt = llvm::CodeGenOpt::Default;
-
-  if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
-    if (A->getOption().matches(options::OPT_O0))
-      return llvm::CodeGenOpt::None;
-
-    if (A->getOption().matches(options::OPT_Ofast))
-      return llvm::CodeGenOpt::Aggressive;
-
-    assert(A->getOption().matches(options::OPT_O));
-
-    StringRef S(A->getValue());
-    if (S == "s" || S == "z")
-      return llvm::CodeGenOpt::Default;
-
-    if (S == "g")
-      return llvm::CodeGenOpt::Less;
-
-    return getLastArgIntValue(Args, OPT_O, DefaultOpt, Diags);
-  }
-
-  return DefaultOpt;
-}
-
-static unsigned getOptimizationLevelSize(ArgList &Args) {
-  if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
-    if (A->getOption().matches(options::OPT_O)) {
-      switch (A->getValue()[0]) {
-      default:
-        return 0;
-      case 's':
-        return 1;
-      case 'z':
-        return 2;
-      }
-    }
-  }
-  return 0;
-}
-
-static void GenerateArg(SmallVectorImpl<const char *> &Args,
-                        llvm::opt::OptSpecifier OptSpecifier,
-                        CompilerInvocation::StringAllocator SA) {
-  Option Opt = getDriverOptTable().getOption(OptSpecifier);
-  denormalizeSimpleFlag(Args, SA(Opt.getPrefix() + Opt.getName()), SA,
-                        Option::OptionClass::FlagClass, 0);
-}
-
-static void GenerateArg(SmallVectorImpl<const char *> &Args,
-                        llvm::opt::OptSpecifier OptSpecifier,
-                        const Twine &Value,
-                        CompilerInvocation::StringAllocator SA) {
-  Option Opt = getDriverOptTable().getOption(OptSpecifier);
-  denormalizeString(Args, SA(Opt.getPrefix() + Opt.getName()), SA,
-                    Opt.getKind(), 0, Value);
-}
-
-// Parse command line arguments into CompilerInvocation.
-using ParseFn =
-    llvm::function_ref<bool(CompilerInvocation &, ArrayRef<const char *>,
-                            DiagnosticsEngine &, const char *)>;
-
-// Generate command line arguments from CompilerInvocation.
-using GenerateFn = llvm::function_ref<void(
-    CompilerInvocation &, SmallVectorImpl<const char *> &,
-    CompilerInvocation::StringAllocator)>;
-
-// May perform round-trip of command line arguments. By default, the round-trip
-// is enabled in assert builds. This can be overwritten at run-time via the
-// "-round-trip-args" and "-no-round-trip-args" command line flags.
-// During round-trip, the command line arguments are parsed into a dummy
-// instance of CompilerInvocation which is used to generate the command line
-// arguments again. The real CompilerInvocation instance is then created by
-// parsing the generated arguments, not the original ones.
-static bool RoundTrip(ParseFn Parse, GenerateFn Generate,
-                      CompilerInvocation &RealInvocation,
-                      CompilerInvocation &DummyInvocation,
-                      ArrayRef<const char *> CommandLineArgs,
-                      DiagnosticsEngine &Diags, const char *Argv0) {
-#ifndef NDEBUG
-  bool DoRoundTripDefault = true;
-#else
-  bool DoRoundTripDefault = false;
-#endif
-
-  bool DoRoundTrip = DoRoundTripDefault;
-  for (const auto *Arg : CommandLineArgs) {
-    if (Arg == StringRef("-round-trip-args"))
-      DoRoundTrip = true;
-    if (Arg == StringRef("-no-round-trip-args"))
-      DoRoundTrip = false;
-  }
-
-  // If round-trip was not requested, simply run the parser with the real
-  // invocation diagnostics.
-  if (!DoRoundTrip)
-    return Parse(RealInvocation, CommandLineArgs, Diags, Argv0);
-
-  // Serializes quoted (and potentially escaped) arguments.
-  auto SerializeArgs = [](ArrayRef<const char *> Args) {
-    std::string Buffer;
-    llvm::raw_string_ostream OS(Buffer);
-    for (const char *Arg : Args) {
-      llvm::sys::printArg(OS, Arg, /*Quote=*/true);
-      OS << ' ';
-    }
-    OS.flush();
-    return Buffer;
-  };
-
-  // Setup a dummy DiagnosticsEngine.
-  DiagnosticsEngine DummyDiags(new DiagnosticIDs(), new DiagnosticOptions());
-  DummyDiags.setClient(new TextDiagnosticBuffer());
-
-  // Run the first parse on the original arguments with the dummy invocation and
-  // diagnostics.
-  if (!Parse(DummyInvocation, CommandLineArgs, DummyDiags, Argv0) ||
-      DummyDiags.getNumWarnings() != 0) {
-    // If the first parse did not succeed, it must be user mistake (invalid
-    // command line arguments). We won't be able to generate arguments that
-    // would reproduce the same result. Let's fail again with the real
-    // invocation and diagnostics, so all side-effects of parsing are visible.
-    unsigned NumWarningsBefore = Diags.getNumWarnings();
-    auto Success = Parse(RealInvocation, CommandLineArgs, Diags, Argv0);
-    if (!Success || Diags.getNumWarnings() != NumWarningsBefore)
-      return Success;
-
-    // Parse with original options and diagnostics succeeded even though it
-    // shouldn't have. Something is off.
-    Diags.Report(diag::err_cc1_round_trip_fail_then_ok);
-    Diags.Report(diag::note_cc1_round_trip_original)
-        << SerializeArgs(CommandLineArgs);
-    return false;
-  }
-
-  // Setup string allocator.
-  llvm::BumpPtrAllocator Alloc;
-  llvm::StringSaver StringPool(Alloc);
-  auto SA = [&StringPool](const Twine &Arg) {
-    return StringPool.save(Arg).data();
-  };
-
-  // Generate arguments from the dummy invocation. If Generate is the
-  // inverse of Parse, the newly generated arguments must have the same
-  // semantics as the original.
-  SmallVector<const char *> GeneratedArgs1;
-  Generate(DummyInvocation, GeneratedArgs1, SA);
-
-  // Run the second parse, now on the generated arguments, and with the real
-  // invocation and diagnostics. The result is what we will end up using for the
-  // rest of compilation, so if Generate is not inverse of Parse, something down
-  // the line will break.
-  bool Success2 = Parse(RealInvocation, GeneratedArgs1, Diags, Argv0);
-
-  // The first parse on original arguments succeeded, but second parse of
-  // generated arguments failed. Something must be wrong with the generator.
-  if (!Success2) {
-    Diags.Report(diag::err_cc1_round_trip_ok_then_fail);
-    Diags.Report(diag::note_cc1_round_trip_generated)
-        << 1 << SerializeArgs(GeneratedArgs1);
-    return false;
-  }
-
-  // Generate arguments again, this time from the options we will end up using
-  // for the rest of the compilation.
-  SmallVector<const char *> GeneratedArgs2;
-  Generate(RealInvocation, GeneratedArgs2, SA);
-
-  // Compares two lists of generated arguments.
-  auto Equal = [](const ArrayRef<const char *> A,
-                  const ArrayRef<const char *> B) {
-    return std::equal(A.begin(), A.end(), B.begin(), B.end(),
-                      [](const char *AElem, const char *BElem) {
-                        return StringRef(AElem) == StringRef(BElem);
-                      });
-  };
-
-  // If we generated different arguments from what we assume are two
-  // semantically equivalent CompilerInvocations, the Generate function may
-  // be non-deterministic.
-  if (!Equal(GeneratedArgs1, GeneratedArgs2)) {
-    Diags.Report(diag::err_cc1_round_trip_mismatch);
-    Diags.Report(diag::note_cc1_round_trip_generated)
-        << 1 << SerializeArgs(GeneratedArgs1);
-    Diags.Report(diag::note_cc1_round_trip_generated)
-        << 2 << SerializeArgs(GeneratedArgs2);
-    return false;
-  }
-
-  Diags.Report(diag::remark_cc1_round_trip_generated)
-      << 1 << SerializeArgs(GeneratedArgs1);
-  Diags.Report(diag::remark_cc1_round_trip_generated)
-      << 2 << SerializeArgs(GeneratedArgs2);
-
-  return Success2;
-}
-
-static void addDiagnosticArgs(ArgList &Args, OptSpecifier Group,
-                              OptSpecifier GroupWithValue,
-                              std::vector<std::string> &Diagnostics) {
-  for (auto *A : Args.filtered(Group)) {
-    if (A->getOption().getKind() == Option::FlagClass) {
-      // The argument is a pure flag (such as OPT_Wall or OPT_Wdeprecated). Add
-      // its name (minus the "W" or "R" at the beginning) to the diagnostics.
-      Diagnostics.push_back(
-          std::string(A->getOption().getName().drop_front(1)));
-    } else if (A->getOption().matches(GroupWithValue)) {
-      // This is -Wfoo= or -Rfoo=, where foo is the name of the diagnostic
-      // group. Add only the group name to the diagnostics.
-      Diagnostics.push_back(
-          std::string(A->getOption().getName().drop_front(1).rtrim("=-")));
-    } else {
-      // Otherwise, add its value (for OPT_W_Joined and similar).
-      Diagnostics.push_back(A->getValue());
-    }
-  }
-}
-
-// Parse the Static Analyzer configuration. If \p Diags is set to nullptr,
-// it won't verify the input.
-static void parseAnalyzerConfigs(AnalyzerOptions &AnOpts,
-                                 DiagnosticsEngine *Diags);
-
-static void getAllNoBuiltinFuncValues(ArgList &Args,
-                                      std::vector<std::string> &Funcs) {
-  std::vector<std::string> Values = Args.getAllArgValues(OPT_fno_builtin_);
-  auto BuiltinEnd = llvm::partition(Values, Builtin::Context::isBuiltinFunc);
-  Funcs.insert(Funcs.end(), Values.begin(), BuiltinEnd);
-}
-
-static void GenerateAnalyzerArgs(AnalyzerOptions &Opts,
-                                 SmallVectorImpl<const char *> &Args,
-                                 CompilerInvocation::StringAllocator SA) {
-  const AnalyzerOptions *AnalyzerOpts = &Opts;
-
-#define ANALYZER_OPTION_WITH_MARSHALLING(                                      \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef ANALYZER_OPTION_WITH_MARSHALLING
-
-  if (Opts.AnalysisStoreOpt != RegionStoreModel) {
-    switch (Opts.AnalysisStoreOpt) {
-#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN)                           \
-  case NAME##Model:                                                            \
-    GenerateArg(Args, OPT_analyzer_store, CMDFLAG, SA);                        \
-    break;
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-    default:
-      llvm_unreachable("Tried to generate unknown analysis store.");
-    }
-  }
-
-  if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) {
-    switch (Opts.AnalysisConstraintsOpt) {
-#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN)                     \
-  case NAME##Model:                                                            \
-    GenerateArg(Args, OPT_analyzer_constraints, CMDFLAG, SA);                  \
-    break;
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-    default:
-      llvm_unreachable("Tried to generate unknown analysis constraint.");
-    }
-  }
-
-  if (Opts.AnalysisDiagOpt != PD_HTML) {
-    switch (Opts.AnalysisDiagOpt) {
-#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN)                     \
-  case PD_##NAME:                                                              \
-    GenerateArg(Args, OPT_analyzer_output, CMDFLAG, SA);                       \
-    break;
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-    default:
-      llvm_unreachable("Tried to generate unknown analysis diagnostic client.");
-    }
-  }
-
-  if (Opts.AnalysisPurgeOpt != PurgeStmt) {
-    switch (Opts.AnalysisPurgeOpt) {
-#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC)                                    \
-  case NAME:                                                                   \
-    GenerateArg(Args, OPT_analyzer_purge, CMDFLAG, SA);                        \
-    break;
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-    default:
-      llvm_unreachable("Tried to generate unknown analysis purge mode.");
-    }
-  }
-
-  if (Opts.InliningMode != NoRedundancy) {
-    switch (Opts.InliningMode) {
-#define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC)                            \
-  case NAME:                                                                   \
-    GenerateArg(Args, OPT_analyzer_inlining_mode, CMDFLAG, SA);                \
-    break;
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-    default:
-      llvm_unreachable("Tried to generate unknown analysis inlining mode.");
-    }
-  }
-
-  for (const auto &CP : Opts.CheckersAndPackages) {
-    OptSpecifier Opt =
-        CP.second ? OPT_analyzer_checker : OPT_analyzer_disable_checker;
-    GenerateArg(Args, Opt, CP.first, SA);
-  }
-
-  AnalyzerOptions ConfigOpts;
-  parseAnalyzerConfigs(ConfigOpts, nullptr);
-
-  for (const auto &C : Opts.Config) {
-    // Don't generate anything that came from parseAnalyzerConfigs. It would be
-    // redundant and may not be valid on the command line.
-    auto Entry = ConfigOpts.Config.find(C.getKey());
-    if (Entry != ConfigOpts.Config.end() && Entry->getValue() == C.getValue())
-      continue;
-
-    GenerateArg(Args, OPT_analyzer_config, C.getKey() + "=" + C.getValue(), SA);
-  }
-
-  // Nothing to generate for FullCompilerInvocation.
-}
-
-static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
-                              DiagnosticsEngine &Diags) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  AnalyzerOptions *AnalyzerOpts = &Opts;
-
-#define ANALYZER_OPTION_WITH_MARSHALLING(                                      \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef ANALYZER_OPTION_WITH_MARSHALLING
-
-  if (Arg *A = Args.getLastArg(OPT_analyzer_store)) {
-    StringRef Name = A->getValue();
-    AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name)
-#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
-      .Case(CMDFLAG, NAME##Model)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-      .Default(NumStores);
-    if (Value == NumStores) {
-      Diags.Report(diag::err_drv_invalid_value)
-        << A->getAsString(Args) << Name;
-    } else {
-      Opts.AnalysisStoreOpt = Value;
-    }
-  }
-
-  if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) {
-    StringRef Name = A->getValue();
-    AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name)
-#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
-      .Case(CMDFLAG, NAME##Model)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-      .Default(NumConstraints);
-    if (Value == NumConstraints) {
-      Diags.Report(diag::err_drv_invalid_value)
-        << A->getAsString(Args) << Name;
-    } else {
-      Opts.AnalysisConstraintsOpt = Value;
-    }
-  }
-
-  if (Arg *A = Args.getLastArg(OPT_analyzer_output)) {
-    StringRef Name = A->getValue();
-    AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
-#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN) \
-      .Case(CMDFLAG, PD_##NAME)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-      .Default(NUM_ANALYSIS_DIAG_CLIENTS);
-    if (Value == NUM_ANALYSIS_DIAG_CLIENTS) {
-      Diags.Report(diag::err_drv_invalid_value)
-        << A->getAsString(Args) << Name;
-    } else {
-      Opts.AnalysisDiagOpt = Value;
-    }
-  }
-
-  if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) {
-    StringRef Name = A->getValue();
-    AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name)
-#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \
-      .Case(CMDFLAG, NAME)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-      .Default(NumPurgeModes);
-    if (Value == NumPurgeModes) {
-      Diags.Report(diag::err_drv_invalid_value)
-        << A->getAsString(Args) << Name;
-    } else {
-      Opts.AnalysisPurgeOpt = Value;
-    }
-  }
-
-  if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) {
-    StringRef Name = A->getValue();
-    AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name)
-#define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \
-      .Case(CMDFLAG, NAME)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
-      .Default(NumInliningModes);
-    if (Value == NumInliningModes) {
-      Diags.Report(diag::err_drv_invalid_value)
-        << A->getAsString(Args) << Name;
-    } else {
-      Opts.InliningMode = Value;
-    }
-  }
-
-  Opts.CheckersAndPackages.clear();
-  for (const Arg *A :
-       Args.filtered(OPT_analyzer_checker, OPT_analyzer_disable_checker)) {
-    A->claim();
-    bool IsEnabled = A->getOption().getID() == OPT_analyzer_checker;
-    // We can have a list of comma separated checker names, e.g:
-    // '-analyzer-checker=cocoa,unix'
-    StringRef CheckerAndPackageList = A->getValue();
-    SmallVector<StringRef, 16> CheckersAndPackages;
-    CheckerAndPackageList.split(CheckersAndPackages, ",");
-    for (const StringRef &CheckerOrPackage : CheckersAndPackages)
-      Opts.CheckersAndPackages.emplace_back(std::string(CheckerOrPackage),
-                                            IsEnabled);
-  }
-
-  // Go through the analyzer configuration options.
-  for (const auto *A : Args.filtered(OPT_analyzer_config)) {
-
-    // We can have a list of comma separated config names, e.g:
-    // '-analyzer-config key1=val1,key2=val2'
-    StringRef configList = A->getValue();
-    SmallVector<StringRef, 4> configVals;
-    configList.split(configVals, ",");
-    for (const auto &configVal : configVals) {
-      StringRef key, val;
-      std::tie(key, val) = configVal.split("=");
-      if (val.empty()) {
-        Diags.Report(SourceLocation(),
-                     diag::err_analyzer_config_no_value) << configVal;
-        break;
-      }
-      if (val.contains('=')) {
-        Diags.Report(SourceLocation(),
-                     diag::err_analyzer_config_multiple_values)
-          << configVal;
-        break;
-      }
-
-      // TODO: Check checker options too, possibly in CheckerRegistry.
-      // Leave unknown non-checker configs unclaimed.
-      if (!key.contains(":") && Opts.isUnknownAnalyzerConfig(key)) {
-        if (Opts.ShouldEmitErrorsOnInvalidConfigValue)
-          Diags.Report(diag::err_analyzer_config_unknown) << key;
-        continue;
-      }
-
-      A->claim();
-      Opts.Config[key] = std::string(val);
-    }
-  }
-
-  if (Opts.ShouldEmitErrorsOnInvalidConfigValue)
-    parseAnalyzerConfigs(Opts, &Diags);
-  else
-    parseAnalyzerConfigs(Opts, nullptr);
-
-  llvm::raw_string_ostream os(Opts.FullCompilerInvocation);
-  for (unsigned i = 0; i < Args.getNumInputArgStrings(); ++i) {
-    if (i != 0)
-      os << " ";
-    os << Args.getArgString(i);
-  }
-  os.flush();
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-static StringRef getStringOption(AnalyzerOptions::ConfigTable &Config,
-                                 StringRef OptionName, StringRef DefaultVal) {
-  return Config.insert({OptionName, std::string(DefaultVal)}).first->second;
-}
-
-static void initOption(AnalyzerOptions::ConfigTable &Config,
-                       DiagnosticsEngine *Diags,
-                       StringRef &OptionField, StringRef Name,
-                       StringRef DefaultVal) {
-  // String options may be known to invalid (e.g. if the expected string is a
-  // file name, but the file does not exist), those will have to be checked in
-  // parseConfigs.
-  OptionField = getStringOption(Config, Name, DefaultVal);
-}
-
-static void initOption(AnalyzerOptions::ConfigTable &Config,
-                       DiagnosticsEngine *Diags,
-                       bool &OptionField, StringRef Name, bool DefaultVal) {
-  auto PossiblyInvalidVal = llvm::StringSwitch<Optional<bool>>(
-                 getStringOption(Config, Name, (DefaultVal ? "true" : "false")))
-      .Case("true", true)
-      .Case("false", false)
-      .Default(None);
-
-  if (!PossiblyInvalidVal) {
-    if (Diags)
-      Diags->Report(diag::err_analyzer_config_invalid_input)
-        << Name << "a boolean";
-    else
-      OptionField = DefaultVal;
-  } else
-    OptionField = PossiblyInvalidVal.getValue();
-}
-
-static void initOption(AnalyzerOptions::ConfigTable &Config,
-                       DiagnosticsEngine *Diags,
-                       unsigned &OptionField, StringRef Name,
-                       unsigned DefaultVal) {
-
-  OptionField = DefaultVal;
-  bool HasFailed = getStringOption(Config, Name, std::to_string(DefaultVal))
-                     .getAsInteger(0, OptionField);
-  if (Diags && HasFailed)
-    Diags->Report(diag::err_analyzer_config_invalid_input)
-      << Name << "an unsigned";
-}
-
-static void parseAnalyzerConfigs(AnalyzerOptions &AnOpts,
-                                 DiagnosticsEngine *Diags) {
-  // TODO: There's no need to store the entire configtable, it'd be plenty
-  // enough tostore checker options.
-
-#define ANALYZER_OPTION(TYPE, NAME, CMDFLAG, DESC, DEFAULT_VAL)                \
-  initOption(AnOpts.Config, Diags, AnOpts.NAME, CMDFLAG, DEFAULT_VAL);
-
-#define ANALYZER_OPTION_DEPENDS_ON_USER_MODE(TYPE, NAME, CMDFLAG, DESC,        \
-                                           SHALLOW_VAL, DEEP_VAL)              \
-  switch (AnOpts.getUserMode()) {                                              \
-  case UMK_Shallow:                                                            \
-    initOption(AnOpts.Config, Diags, AnOpts.NAME, CMDFLAG, SHALLOW_VAL);       \
-    break;                                                                     \
-  case UMK_Deep:                                                               \
-    initOption(AnOpts.Config, Diags, AnOpts.NAME, CMDFLAG, DEEP_VAL);          \
-    break;                                                                     \
-  }                                                                            \
-
-#include "clang/StaticAnalyzer/Core/AnalyzerOptions.def"
-#undef ANALYZER_OPTION
-#undef ANALYZER_OPTION_DEPENDS_ON_USER_MODE
-
-  // At this point, AnalyzerOptions is configured. Let's validate some options.
-
-  // FIXME: Here we try to validate the silenced checkers or packages are valid.
-  // The current approach only validates the registered checkers which does not
-  // contain the runtime enabled checkers and optimally we would validate both.
-  if (!AnOpts.RawSilencedCheckersAndPackages.empty()) {
-    std::vector<StringRef> Checkers =
-        AnOpts.getRegisteredCheckers(/*IncludeExperimental=*/true);
-    std::vector<StringRef> Packages =
-        AnOpts.getRegisteredPackages(/*IncludeExperimental=*/true);
-
-    SmallVector<StringRef, 16> CheckersAndPackages;
-    AnOpts.RawSilencedCheckersAndPackages.split(CheckersAndPackages, ";");
-
-    for (const StringRef &CheckerOrPackage : CheckersAndPackages) {
-      if (Diags) {
-        bool IsChecker = CheckerOrPackage.contains('.');
-        bool IsValidName = IsChecker
-                               ? llvm::is_contained(Checkers, CheckerOrPackage)
-                               : llvm::is_contained(Packages, CheckerOrPackage);
-
-        if (!IsValidName)
-          Diags->Report(diag::err_unknown_analyzer_checker_or_package)
-              << CheckerOrPackage;
-      }
-
-      AnOpts.SilencedCheckersAndPackages.emplace_back(CheckerOrPackage);
-    }
-  }
-
-  if (!Diags)
-    return;
-
-  if (AnOpts.ShouldTrackConditionsDebug && !AnOpts.ShouldTrackConditions)
-    Diags->Report(diag::err_analyzer_config_invalid_input)
-        << "track-conditions-debug" << "'track-conditions' to also be enabled";
-
-  if (!AnOpts.CTUDir.empty() && !llvm::sys::fs::is_directory(AnOpts.CTUDir))
-    Diags->Report(diag::err_analyzer_config_invalid_input) << "ctu-dir"
-                                                           << "a filename";
-
-  if (!AnOpts.ModelPath.empty() &&
-      !llvm::sys::fs::is_directory(AnOpts.ModelPath))
-    Diags->Report(diag::err_analyzer_config_invalid_input) << "model-path"
-                                                           << "a filename";
-}
-
-/// Generate a remark argument. This is an inverse of `ParseOptimizationRemark`.
-static void
-GenerateOptimizationRemark(SmallVectorImpl<const char *> &Args,
-                           CompilerInvocation::StringAllocator SA,
-                           OptSpecifier OptEQ, StringRef Name,
-                           const CodeGenOptions::OptRemark &Remark) {
-  if (Remark.hasValidPattern()) {
-    GenerateArg(Args, OptEQ, Remark.Pattern, SA);
-  } else if (Remark.Kind == CodeGenOptions::RK_Enabled) {
-    GenerateArg(Args, OPT_R_Joined, Name, SA);
-  } else if (Remark.Kind == CodeGenOptions::RK_Disabled) {
-    GenerateArg(Args, OPT_R_Joined, StringRef("no-") + Name, SA);
-  }
-}
-
-/// Parse a remark command line argument. It may be missing, disabled/enabled by
-/// '-R[no-]group' or specified with a regular expression by '-Rgroup=regexp'.
-/// On top of that, it can be disabled/enabled globally by '-R[no-]everything'.
-static CodeGenOptions::OptRemark
-ParseOptimizationRemark(DiagnosticsEngine &Diags, ArgList &Args,
-                        OptSpecifier OptEQ, StringRef Name) {
-  CodeGenOptions::OptRemark Result;
-
-  auto InitializeResultPattern = [&Diags, &Args, &Result](const Arg *A,
-                                                          StringRef Pattern) {
-    Result.Pattern = Pattern.str();
-
-    std::string RegexError;
-    Result.Regex = std::make_shared<llvm::Regex>(Result.Pattern);
-    if (!Result.Regex->isValid(RegexError)) {
-      Diags.Report(diag::err_drv_optimization_remark_pattern)
-          << RegexError << A->getAsString(Args);
-      return false;
-    }
-
-    return true;
-  };
-
-  for (Arg *A : Args) {
-    if (A->getOption().matches(OPT_R_Joined)) {
-      StringRef Value = A->getValue();
-
-      if (Value == Name)
-        Result.Kind = CodeGenOptions::RK_Enabled;
-      else if (Value == "everything")
-        Result.Kind = CodeGenOptions::RK_EnabledEverything;
-      else if (Value.split('-') == std::make_pair(StringRef("no"), Name))
-        Result.Kind = CodeGenOptions::RK_Disabled;
-      else if (Value == "no-everything")
-        Result.Kind = CodeGenOptions::RK_DisabledEverything;
-      else
-        continue;
-
-      if (Result.Kind == CodeGenOptions::RK_Disabled ||
-          Result.Kind == CodeGenOptions::RK_DisabledEverything) {
-        Result.Pattern = "";
-        Result.Regex = nullptr;
-      } else {
-        InitializeResultPattern(A, ".*");
-      }
-    } else if (A->getOption().matches(OptEQ)) {
-      Result.Kind = CodeGenOptions::RK_WithPattern;
-      if (!InitializeResultPattern(A, A->getValue()))
-        return CodeGenOptions::OptRemark();
-    }
-  }
-
-  return Result;
-}
-
-static bool parseDiagnosticLevelMask(StringRef FlagName,
-                                     const std::vector<std::string> &Levels,
-                                     DiagnosticsEngine &Diags,
-                                     DiagnosticLevelMask &M) {
-  bool Success = true;
-  for (const auto &Level : Levels) {
-    DiagnosticLevelMask const PM =
-      llvm::StringSwitch<DiagnosticLevelMask>(Level)
-        .Case("note",    DiagnosticLevelMask::Note)
-        .Case("remark",  DiagnosticLevelMask::Remark)
-        .Case("warning", DiagnosticLevelMask::Warning)
-        .Case("error",   DiagnosticLevelMask::Error)
-        .Default(DiagnosticLevelMask::None);
-    if (PM == DiagnosticLevelMask::None) {
-      Success = false;
-      Diags.Report(diag::err_drv_invalid_value) << FlagName << Level;
-    }
-    M = M | PM;
-  }
-  return Success;
-}
-
-static void parseSanitizerKinds(StringRef FlagName,
-                                const std::vector<std::string> &Sanitizers,
-                                DiagnosticsEngine &Diags, SanitizerSet &S) {
-  for (const auto &Sanitizer : Sanitizers) {
-    SanitizerMask K = parseSanitizerValue(Sanitizer, /*AllowGroups=*/false);
-    if (K == SanitizerMask())
-      Diags.Report(diag::err_drv_invalid_value) << FlagName << Sanitizer;
-    else
-      S.set(K, true);
-  }
-}
-
-static SmallVector<StringRef, 4> serializeSanitizerKinds(SanitizerSet S) {
-  SmallVector<StringRef, 4> Values;
-  serializeSanitizerSet(S, Values);
-  return Values;
-}
-
-static void parseXRayInstrumentationBundle(StringRef FlagName, StringRef Bundle,
-                                           ArgList &Args, DiagnosticsEngine &D,
-                                           XRayInstrSet &S) {
-  llvm::SmallVector<StringRef, 2> BundleParts;
-  llvm::SplitString(Bundle, BundleParts, ",");
-  for (const auto &B : BundleParts) {
-    auto Mask = parseXRayInstrValue(B);
-    if (Mask == XRayInstrKind::None)
-      if (B != "none")
-        D.Report(diag::err_drv_invalid_value) << FlagName << Bundle;
-      else
-        S.Mask = Mask;
-    else if (Mask == XRayInstrKind::All)
-      S.Mask = Mask;
-    else
-      S.set(Mask, true);
-  }
-}
-
-static std::string serializeXRayInstrumentationBundle(const XRayInstrSet &S) {
-  llvm::SmallVector<StringRef, 2> BundleParts;
-  serializeXRayInstrValue(S, BundleParts);
-  std::string Buffer;
-  llvm::raw_string_ostream OS(Buffer);
-  llvm::interleave(BundleParts, OS, [&OS](StringRef Part) { OS << Part; }, ",");
-  return Buffer;
-}
-
-// Set the profile kind using fprofile-instrument-use-path.
-static void setPGOUseInstrumentor(CodeGenOptions &Opts,
-                                  const Twine &ProfileName) {
-  auto ReaderOrErr = llvm::IndexedInstrProfReader::create(ProfileName);
-  // In error, return silently and let Clang PGOUse report the error message.
-  if (auto E = ReaderOrErr.takeError()) {
-    llvm::consumeError(std::move(E));
-    Opts.setProfileUse(CodeGenOptions::ProfileClangInstr);
-    return;
-  }
-  std::unique_ptr<llvm::IndexedInstrProfReader> PGOReader =
-    std::move(ReaderOrErr.get());
-  if (PGOReader->isIRLevelProfile()) {
-    if (PGOReader->hasCSIRLevelProfile())
-      Opts.setProfileUse(CodeGenOptions::ProfileCSIRInstr);
-    else
-      Opts.setProfileUse(CodeGenOptions::ProfileIRInstr);
-  } else
-    Opts.setProfileUse(CodeGenOptions::ProfileClangInstr);
-}
-
-void CompilerInvocation::GenerateCodeGenArgs(
-    const CodeGenOptions &Opts, SmallVectorImpl<const char *> &Args,
-    StringAllocator SA, const llvm::Triple &T, const std::string &OutputFile,
-    const LangOptions *LangOpts) {
-  const CodeGenOptions &CodeGenOpts = Opts;
-
-  if (Opts.OptimizationLevel == 0)
-    GenerateArg(Args, OPT_O0, SA);
-  else
-    GenerateArg(Args, OPT_O, Twine(Opts.OptimizationLevel), SA);
-
-#define CODEGEN_OPTION_WITH_MARSHALLING(                                       \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef CODEGEN_OPTION_WITH_MARSHALLING
-
-  if (Opts.OptimizationLevel > 0) {
-    if (Opts.Inlining == CodeGenOptions::NormalInlining)
-      GenerateArg(Args, OPT_finline_functions, SA);
-    else if (Opts.Inlining == CodeGenOptions::OnlyHintInlining)
-      GenerateArg(Args, OPT_finline_hint_functions, SA);
-    else if (Opts.Inlining == CodeGenOptions::OnlyAlwaysInlining)
-      GenerateArg(Args, OPT_fno_inline, SA);
-  }
-
-  if (Opts.DirectAccessExternalData && LangOpts->PICLevel != 0)
-    GenerateArg(Args, OPT_fdirect_access_external_data, SA);
-  else if (!Opts.DirectAccessExternalData && LangOpts->PICLevel == 0)
-    GenerateArg(Args, OPT_fno_direct_access_external_data, SA);
-
-  Optional<StringRef> DebugInfoVal;
-  switch (Opts.DebugInfo) {
-  case codegenoptions::DebugLineTablesOnly:
-    DebugInfoVal = "line-tables-only";
-    break;
-  case codegenoptions::DebugDirectivesOnly:
-    DebugInfoVal = "line-directives-only";
-    break;
-  case codegenoptions::DebugInfoConstructor:
-    DebugInfoVal = "constructor";
-    break;
-  case codegenoptions::LimitedDebugInfo:
-    DebugInfoVal = "limited";
-    break;
-  case codegenoptions::FullDebugInfo:
-    DebugInfoVal = "standalone";
-    break;
-  case codegenoptions::UnusedTypeInfo:
-    DebugInfoVal = "unused-types";
-    break;
-  case codegenoptions::NoDebugInfo: // default value
-    DebugInfoVal = None;
-    break;
-  case codegenoptions::LocTrackingOnly: // implied value
-    DebugInfoVal = None;
-    break;
-  }
-  if (DebugInfoVal)
-    GenerateArg(Args, OPT_debug_info_kind_EQ, *DebugInfoVal, SA);
-
-  for (const auto &Prefix : Opts.DebugPrefixMap)
-    GenerateArg(Args, OPT_fdebug_prefix_map_EQ,
-                Prefix.first + "=" + Prefix.second, SA);
-
-  for (const auto &Prefix : Opts.CoveragePrefixMap)
-    GenerateArg(Args, OPT_fcoverage_prefix_map_EQ,
-                Prefix.first + "=" + Prefix.second, SA);
-
-  if (Opts.NewStructPathTBAA)
-    GenerateArg(Args, OPT_new_struct_path_tbaa, SA);
-
-  if (Opts.OptimizeSize == 1)
-    GenerateArg(Args, OPT_O, "s", SA);
-  else if (Opts.OptimizeSize == 2)
-    GenerateArg(Args, OPT_O, "z", SA);
-
-  // SimplifyLibCalls is set only in the absence of -fno-builtin and
-  // -ffreestanding. We'll consider that when generating them.
-
-  // NoBuiltinFuncs are generated by LangOptions.
-
-  if (Opts.UnrollLoops && Opts.OptimizationLevel <= 1)
-    GenerateArg(Args, OPT_funroll_loops, SA);
-  else if (!Opts.UnrollLoops && Opts.OptimizationLevel > 1)
-    GenerateArg(Args, OPT_fno_unroll_loops, SA);
-
-  if (!Opts.BinutilsVersion.empty())
-    GenerateArg(Args, OPT_fbinutils_version_EQ, Opts.BinutilsVersion, SA);
-
-  if (Opts.DebugNameTable ==
-      static_cast<unsigned>(llvm::DICompileUnit::DebugNameTableKind::GNU))
-    GenerateArg(Args, OPT_ggnu_pubnames, SA);
-  else if (Opts.DebugNameTable ==
-           static_cast<unsigned>(
-               llvm::DICompileUnit::DebugNameTableKind::Default))
-    GenerateArg(Args, OPT_gpubnames, SA);
-
-  auto TNK = Opts.getDebugSimpleTemplateNames();
-  if (TNK != codegenoptions::DebugTemplateNamesKind::Full) {
-    if (TNK == codegenoptions::DebugTemplateNamesKind::Simple)
-      GenerateArg(Args, OPT_gsimple_template_names_EQ, "simple", SA);
-    else if (TNK == codegenoptions::DebugTemplateNamesKind::Mangled)
-      GenerateArg(Args, OPT_gsimple_template_names_EQ, "mangled", SA);
-  }
-  // ProfileInstrumentUsePath is marshalled automatically, no need to generate
-  // it or PGOUseInstrumentor.
-
-  if (Opts.TimePasses) {
-    if (Opts.TimePassesPerRun)
-      GenerateArg(Args, OPT_ftime_report_EQ, "per-pass-run", SA);
-    else
-      GenerateArg(Args, OPT_ftime_report, SA);
-  }
-
-  if (Opts.PrepareForLTO && !Opts.PrepareForThinLTO)
-    GenerateArg(Args, OPT_flto_EQ, "full", SA);
-
-  if (Opts.PrepareForThinLTO)
-    GenerateArg(Args, OPT_flto_EQ, "thin", SA);
-
-  if (!Opts.ThinLTOIndexFile.empty())
-    GenerateArg(Args, OPT_fthinlto_index_EQ, Opts.ThinLTOIndexFile, SA);
-
-  if (Opts.SaveTempsFilePrefix == OutputFile)
-    GenerateArg(Args, OPT_save_temps_EQ, "obj", SA);
-
-  StringRef MemProfileBasename("memprof.profraw");
-  if (!Opts.MemoryProfileOutput.empty()) {
-    if (Opts.MemoryProfileOutput == MemProfileBasename) {
-      GenerateArg(Args, OPT_fmemory_profile, SA);
-    } else {
-      size_t ArgLength =
-          Opts.MemoryProfileOutput.size() - MemProfileBasename.size();
-      GenerateArg(Args, OPT_fmemory_profile_EQ,
-                  Opts.MemoryProfileOutput.substr(0, ArgLength), SA);
-    }
-  }
-
-  if (memcmp(Opts.CoverageVersion, "408*", 4) != 0)
-    GenerateArg(Args, OPT_coverage_version_EQ,
-                StringRef(Opts.CoverageVersion, 4), SA);
-
-  // TODO: Check if we need to generate arguments stored in CmdArgs. (Namely
-  //  '-fembed_bitcode', which does not map to any CompilerInvocation field and
-  //  won't be generated.)
-
-  if (Opts.XRayInstrumentationBundle.Mask != XRayInstrKind::All) {
-    std::string InstrBundle =
-        serializeXRayInstrumentationBundle(Opts.XRayInstrumentationBundle);
-    if (!InstrBundle.empty())
-      GenerateArg(Args, OPT_fxray_instrumentation_bundle, InstrBundle, SA);
-  }
-
-  if (Opts.CFProtectionReturn && Opts.CFProtectionBranch)
-    GenerateArg(Args, OPT_fcf_protection_EQ, "full", SA);
-  else if (Opts.CFProtectionReturn)
-    GenerateArg(Args, OPT_fcf_protection_EQ, "return", SA);
-  else if (Opts.CFProtectionBranch)
-    GenerateArg(Args, OPT_fcf_protection_EQ, "branch", SA);
-
-  for (const auto &F : Opts.LinkBitcodeFiles) {
-    bool Builtint = F.LinkFlags == llvm::Linker::Flags::LinkOnlyNeeded &&
-                    F.PropagateAttrs && F.Internalize;
-    GenerateArg(Args,
-                Builtint ? OPT_mlink_builtin_bitcode : OPT_mlink_bitcode_file,
-                F.Filename, SA);
-  }
-
-  // TODO: Consider removing marshalling annotations from f[no_]emulated_tls.
-  //  That would make it easy to generate the option only **once** if it was
-  //  explicitly set to non-default value.
-  if (Opts.ExplicitEmulatedTLS) {
-    GenerateArg(
-        Args, Opts.EmulatedTLS ? OPT_femulated_tls : OPT_fno_emulated_tls, SA);
-  }
-
-  if (Opts.FPDenormalMode != llvm::DenormalMode::getIEEE())
-    GenerateArg(Args, OPT_fdenormal_fp_math_EQ, Opts.FPDenormalMode.str(), SA);
-
-  if (Opts.FP32DenormalMode != llvm::DenormalMode::getIEEE())
-    GenerateArg(Args, OPT_fdenormal_fp_math_f32_EQ, Opts.FP32DenormalMode.str(),
-                SA);
-
-  if (Opts.StructReturnConvention == CodeGenOptions::SRCK_OnStack) {
-    OptSpecifier Opt =
-        T.isPPC32() ? OPT_maix_struct_return : OPT_fpcc_struct_return;
-    GenerateArg(Args, Opt, SA);
-  } else if (Opts.StructReturnConvention == CodeGenOptions::SRCK_InRegs) {
-    OptSpecifier Opt =
-        T.isPPC32() ? OPT_msvr4_struct_return : OPT_freg_struct_return;
-    GenerateArg(Args, Opt, SA);
-  }
-
-  if (Opts.EnableAIXExtendedAltivecABI)
-    GenerateArg(Args, OPT_mabi_EQ_vec_extabi, SA);
-
-  if (!Opts.OptRecordPasses.empty())
-    GenerateArg(Args, OPT_opt_record_passes, Opts.OptRecordPasses, SA);
-
-  if (!Opts.OptRecordFormat.empty())
-    GenerateArg(Args, OPT_opt_record_format, Opts.OptRecordFormat, SA);
-
-  GenerateOptimizationRemark(Args, SA, OPT_Rpass_EQ, "pass",
-                             Opts.OptimizationRemark);
-
-  GenerateOptimizationRemark(Args, SA, OPT_Rpass_missed_EQ, "pass-missed",
-                             Opts.OptimizationRemarkMissed);
-
-  GenerateOptimizationRemark(Args, SA, OPT_Rpass_analysis_EQ, "pass-analysis",
-                             Opts.OptimizationRemarkAnalysis);
-
-  GenerateArg(Args, OPT_fdiagnostics_hotness_threshold_EQ,
-              Opts.DiagnosticsHotnessThreshold
-                  ? Twine(*Opts.DiagnosticsHotnessThreshold)
-                  : "auto",
-              SA);
-
-  for (StringRef Sanitizer : serializeSanitizerKinds(Opts.SanitizeRecover))
-    GenerateArg(Args, OPT_fsanitize_recover_EQ, Sanitizer, SA);
-
-  for (StringRef Sanitizer : serializeSanitizerKinds(Opts.SanitizeTrap))
-    GenerateArg(Args, OPT_fsanitize_trap_EQ, Sanitizer, SA);
-
-  if (!Opts.EmitVersionIdentMetadata)
-    GenerateArg(Args, OPT_Qn, SA);
-
-  switch (Opts.FiniteLoops) {
-  case CodeGenOptions::FiniteLoopsKind::Language:
-    break;
-  case CodeGenOptions::FiniteLoopsKind::Always:
-    GenerateArg(Args, OPT_ffinite_loops, SA);
-    break;
-  case CodeGenOptions::FiniteLoopsKind::Never:
-    GenerateArg(Args, OPT_fno_finite_loops, SA);
-    break;
-  }
-}
-
-bool CompilerInvocation::ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args,
-                                          InputKind IK,
-                                          DiagnosticsEngine &Diags,
-                                          const llvm::Triple &T,
-                                          const std::string &OutputFile,
-                                          const LangOptions &LangOptsRef) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  unsigned OptimizationLevel = getOptimizationLevel(Args, IK, Diags);
-  // TODO: This could be done in Driver
-  unsigned MaxOptLevel = 3;
-  if (OptimizationLevel > MaxOptLevel) {
-    // If the optimization level is not supported, fall back on the default
-    // optimization
-    Diags.Report(diag::warn_drv_optimization_value)
-        << Args.getLastArg(OPT_O)->getAsString(Args) << "-O" << MaxOptLevel;
-    OptimizationLevel = MaxOptLevel;
-  }
-  Opts.OptimizationLevel = OptimizationLevel;
-
-  // The key paths of codegen options defined in Options.td start with
-  // "CodeGenOpts.". Let's provide the expected variable name and type.
-  CodeGenOptions &CodeGenOpts = Opts;
-  // Some codegen options depend on language options. Let's provide the expected
-  // variable name and type.
-  const LangOptions *LangOpts = &LangOptsRef;
-
-#define CODEGEN_OPTION_WITH_MARSHALLING(                                       \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef CODEGEN_OPTION_WITH_MARSHALLING
-
-  // At O0 we want to fully disable inlining outside of cases marked with
-  // 'alwaysinline' that are required for correctness.
-  Opts.setInlining((Opts.OptimizationLevel == 0)
-                       ? CodeGenOptions::OnlyAlwaysInlining
-                       : CodeGenOptions::NormalInlining);
-  // Explicit inlining flags can disable some or all inlining even at
-  // optimization levels above zero.
-  if (Arg *InlineArg = Args.getLastArg(
-          options::OPT_finline_functions, options::OPT_finline_hint_functions,
-          options::OPT_fno_inline_functions, options::OPT_fno_inline)) {
-    if (Opts.OptimizationLevel > 0) {
-      const Option &InlineOpt = InlineArg->getOption();
-      if (InlineOpt.matches(options::OPT_finline_functions))
-        Opts.setInlining(CodeGenOptions::NormalInlining);
-      else if (InlineOpt.matches(options::OPT_finline_hint_functions))
-        Opts.setInlining(CodeGenOptions::OnlyHintInlining);
-      else
-        Opts.setInlining(CodeGenOptions::OnlyAlwaysInlining);
-    }
-  }
-
-  // PIC defaults to -fno-direct-access-external-data while non-PIC defaults to
-  // -fdirect-access-external-data.
-  Opts.DirectAccessExternalData =
-      Args.hasArg(OPT_fdirect_access_external_data) ||
-      (!Args.hasArg(OPT_fno_direct_access_external_data) &&
-       LangOpts->PICLevel == 0);
-
-  if (Arg *A = Args.getLastArg(OPT_debug_info_kind_EQ)) {
-    unsigned Val =
-        llvm::StringSwitch<unsigned>(A->getValue())
-            .Case("line-tables-only", codegenoptions::DebugLineTablesOnly)
-            .Case("line-directives-only", codegenoptions::DebugDirectivesOnly)
-            .Case("constructor", codegenoptions::DebugInfoConstructor)
-            .Case("limited", codegenoptions::LimitedDebugInfo)
-            .Case("standalone", codegenoptions::FullDebugInfo)
-            .Case("unused-types", codegenoptions::UnusedTypeInfo)
-            .Default(~0U);
-    if (Val == ~0U)
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args)
-                                                << A->getValue();
-    else
-      Opts.setDebugInfo(static_cast<codegenoptions::DebugInfoKind>(Val));
-  }
-
-  // If -fuse-ctor-homing is set and limited debug info is already on, then use
-  // constructor homing, and vice versa for -fno-use-ctor-homing.
-  if (const Arg *A =
-          Args.getLastArg(OPT_fuse_ctor_homing, OPT_fno_use_ctor_homing)) {
-    if (A->getOption().matches(OPT_fuse_ctor_homing) &&
-        Opts.getDebugInfo() == codegenoptions::LimitedDebugInfo)
-      Opts.setDebugInfo(codegenoptions::DebugInfoConstructor);
-    if (A->getOption().matches(OPT_fno_use_ctor_homing) &&
-        Opts.getDebugInfo() == codegenoptions::DebugInfoConstructor)
-      Opts.setDebugInfo(codegenoptions::LimitedDebugInfo);
-  }
-
-  for (const auto &Arg : Args.getAllArgValues(OPT_fdebug_prefix_map_EQ)) {
-    auto Split = StringRef(Arg).split('=');
-    Opts.DebugPrefixMap.insert(
-        {std::string(Split.first), std::string(Split.second)});
-  }
-
-  for (const auto &Arg : Args.getAllArgValues(OPT_fcoverage_prefix_map_EQ)) {
-    auto Split = StringRef(Arg).split('=');
-    Opts.CoveragePrefixMap.insert(
-        {std::string(Split.first), std::string(Split.second)});
-  }
-
-  const llvm::Triple::ArchType DebugEntryValueArchs[] = {
-      llvm::Triple::x86, llvm::Triple::x86_64, llvm::Triple::aarch64,
-      llvm::Triple::arm, llvm::Triple::armeb, llvm::Triple::mips,
-      llvm::Triple::mipsel, llvm::Triple::mips64, llvm::Triple::mips64el};
-
-  if (Opts.OptimizationLevel > 0 && Opts.hasReducedDebugInfo() &&
-      llvm::is_contained(DebugEntryValueArchs, T.getArch()))
-    Opts.EmitCallSiteInfo = true;
-
-  if (!Opts.EnableDIPreservationVerify && Opts.DIBugsReportFilePath.size()) {
-    Diags.Report(diag::warn_ignoring_verify_debuginfo_preserve_export)
-        << Opts.DIBugsReportFilePath;
-    Opts.DIBugsReportFilePath = "";
-  }
-
-  Opts.NewStructPathTBAA = !Args.hasArg(OPT_no_struct_path_tbaa) &&
-                           Args.hasArg(OPT_new_struct_path_tbaa);
-  Opts.OptimizeSize = getOptimizationLevelSize(Args);
-  Opts.SimplifyLibCalls = !LangOpts->NoBuiltin;
-  if (Opts.SimplifyLibCalls)
-    Opts.NoBuiltinFuncs = LangOpts->NoBuiltinFuncs;
-  Opts.UnrollLoops =
-      Args.hasFlag(OPT_funroll_loops, OPT_fno_unroll_loops,
-                   (Opts.OptimizationLevel > 1));
-  Opts.BinutilsVersion =
-      std::string(Args.getLastArgValue(OPT_fbinutils_version_EQ));
-
-  Opts.DebugNameTable = static_cast<unsigned>(
-      Args.hasArg(OPT_ggnu_pubnames)
-          ? llvm::DICompileUnit::DebugNameTableKind::GNU
-          : Args.hasArg(OPT_gpubnames)
-                ? llvm::DICompileUnit::DebugNameTableKind::Default
-                : llvm::DICompileUnit::DebugNameTableKind::None);
-  if (const Arg *A = Args.getLastArg(OPT_gsimple_template_names_EQ)) {
-    StringRef Value = A->getValue();
-    if (Value != "simple" && Value != "mangled")
-      Diags.Report(diag::err_drv_unsupported_option_argument)
-          << A->getOption().getName() << A->getValue();
-    Opts.setDebugSimpleTemplateNames(
-        StringRef(A->getValue()) == "simple"
-            ? codegenoptions::DebugTemplateNamesKind::Simple
-            : codegenoptions::DebugTemplateNamesKind::Mangled);
-  }
-
-  if (!Opts.ProfileInstrumentUsePath.empty())
-    setPGOUseInstrumentor(Opts, Opts.ProfileInstrumentUsePath);
-
-  if (const Arg *A = Args.getLastArg(OPT_ftime_report, OPT_ftime_report_EQ)) {
-    Opts.TimePasses = true;
-
-    // -ftime-report= is only for new pass manager.
-    if (A->getOption().getID() == OPT_ftime_report_EQ) {
-      if (Opts.LegacyPassManager)
-        Diags.Report(diag::err_drv_argument_only_allowed_with)
-            << A->getAsString(Args) << "-fno-legacy-pass-manager";
-
-      StringRef Val = A->getValue();
-      if (Val == "per-pass")
-        Opts.TimePassesPerRun = false;
-      else if (Val == "per-pass-run")
-        Opts.TimePassesPerRun = true;
-      else
-        Diags.Report(diag::err_drv_invalid_value)
-            << A->getAsString(Args) << A->getValue();
-    }
-  }
-
-  Opts.PrepareForLTO = false;
-  Opts.PrepareForThinLTO = false;
-  if (Arg *A = Args.getLastArg(OPT_flto_EQ)) {
-    Opts.PrepareForLTO = true;
-    StringRef S = A->getValue();
-    if (S == "thin")
-      Opts.PrepareForThinLTO = true;
-    else if (S != "full")
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << S;
-  }
-  if (Arg *A = Args.getLastArg(OPT_fthinlto_index_EQ)) {
-    if (IK.getLanguage() != Language::LLVM_IR)
-      Diags.Report(diag::err_drv_argument_only_allowed_with)
-          << A->getAsString(Args) << "-x ir";
-    Opts.ThinLTOIndexFile =
-        std::string(Args.getLastArgValue(OPT_fthinlto_index_EQ));
-  }
-  if (Arg *A = Args.getLastArg(OPT_save_temps_EQ))
-    Opts.SaveTempsFilePrefix =
-        llvm::StringSwitch<std::string>(A->getValue())
-            .Case("obj", OutputFile)
-            .Default(llvm::sys::path::filename(OutputFile).str());
-
-  // The memory profile runtime appends the pid to make this name more unique.
-  const char *MemProfileBasename = "memprof.profraw";
-  if (Args.hasArg(OPT_fmemory_profile_EQ)) {
-    SmallString<128> Path(
-        std::string(Args.getLastArgValue(OPT_fmemory_profile_EQ)));
-    llvm::sys::path::append(Path, MemProfileBasename);
-    Opts.MemoryProfileOutput = std::string(Path);
-  } else if (Args.hasArg(OPT_fmemory_profile))
-    Opts.MemoryProfileOutput = MemProfileBasename;
-
-  memcpy(Opts.CoverageVersion, "408*", 4);
-  if (Opts.EmitGcovArcs || Opts.EmitGcovNotes) {
-    if (Args.hasArg(OPT_coverage_version_EQ)) {
-      StringRef CoverageVersion = Args.getLastArgValue(OPT_coverage_version_EQ);
-      if (CoverageVersion.size() != 4) {
-        Diags.Report(diag::err_drv_invalid_value)
-            << Args.getLastArg(OPT_coverage_version_EQ)->getAsString(Args)
-            << CoverageVersion;
-      } else {
-        memcpy(Opts.CoverageVersion, CoverageVersion.data(), 4);
-      }
-    }
-  }
-  // FIXME: For backend options that are not yet recorded as function
-  // attributes in the IR, keep track of them so we can embed them in a
-  // separate data section and use them when building the bitcode.
-  for (const auto &A : Args) {
-    // Do not encode output and input.
-    if (A->getOption().getID() == options::OPT_o ||
-        A->getOption().getID() == options::OPT_INPUT ||
-        A->getOption().getID() == options::OPT_x ||
-        A->getOption().getID() == options::OPT_fembed_bitcode ||
-        A->getOption().matches(options::OPT_W_Group))
-      continue;
-    ArgStringList ASL;
-    A->render(Args, ASL);
-    for (const auto &arg : ASL) {
-      StringRef ArgStr(arg);
-      Opts.CmdArgs.insert(Opts.CmdArgs.end(), ArgStr.begin(), ArgStr.end());
-      // using \00 to separate each commandline options.
-      Opts.CmdArgs.push_back('\0');
-    }
-  }
-
-  auto XRayInstrBundles =
-      Args.getAllArgValues(OPT_fxray_instrumentation_bundle);
-  if (XRayInstrBundles.empty())
-    Opts.XRayInstrumentationBundle.Mask = XRayInstrKind::All;
-  else
-    for (const auto &A : XRayInstrBundles)
-      parseXRayInstrumentationBundle("-fxray-instrumentation-bundle=", A, Args,
-                                     Diags, Opts.XRayInstrumentationBundle);
-
-  if (const Arg *A = Args.getLastArg(OPT_fcf_protection_EQ)) {
-    StringRef Name = A->getValue();
-    if (Name == "full") {
-      Opts.CFProtectionReturn = 1;
-      Opts.CFProtectionBranch = 1;
-    } else if (Name == "return")
-      Opts.CFProtectionReturn = 1;
-    else if (Name == "branch")
-      Opts.CFProtectionBranch = 1;
-    else if (Name != "none")
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
-  }
-
-  if (Opts.PrepareForLTO && Args.hasArg(OPT_mibt_seal))
-    Opts.IBTSeal = 1;
-
-  for (auto *A :
-       Args.filtered(OPT_mlink_bitcode_file, OPT_mlink_builtin_bitcode)) {
-    CodeGenOptions::BitcodeFileToLink F;
-    F.Filename = A->getValue();
-    if (A->getOption().matches(OPT_mlink_builtin_bitcode)) {
-      F.LinkFlags = llvm::Linker::Flags::LinkOnlyNeeded;
-      // When linking CUDA bitcode, propagate function attributes so that
-      // e.g. libdevice gets fast-math attrs if we're building with fast-math.
-      F.PropagateAttrs = true;
-      F.Internalize = true;
-    }
-    Opts.LinkBitcodeFiles.push_back(F);
-  }
-
-  if (Args.getLastArg(OPT_femulated_tls) ||
-      Args.getLastArg(OPT_fno_emulated_tls)) {
-    Opts.ExplicitEmulatedTLS = true;
-  }
-
-  if (Arg *A = Args.getLastArg(OPT_ftlsmodel_EQ)) {
-    if (T.isOSAIX()) {
-      StringRef Name = A->getValue();
-      if (Name != "global-dynamic")
-        Diags.Report(diag::err_aix_unsupported_tls_model) << Name;
-    }
-  }
-
-  if (Arg *A = Args.getLastArg(OPT_fdenormal_fp_math_EQ)) {
-    StringRef Val = A->getValue();
-    Opts.FPDenormalMode = llvm::parseDenormalFPAttribute(Val);
-    if (!Opts.FPDenormalMode.isValid())
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val;
-  }
-
-  if (Arg *A = Args.getLastArg(OPT_fdenormal_fp_math_f32_EQ)) {
-    StringRef Val = A->getValue();
-    Opts.FP32DenormalMode = llvm::parseDenormalFPAttribute(Val);
-    if (!Opts.FP32DenormalMode.isValid())
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val;
-  }
-
-  // X86_32 has -fppc-struct-return and -freg-struct-return.
-  // PPC32 has -maix-struct-return and -msvr4-struct-return.
-  if (Arg *A =
-          Args.getLastArg(OPT_fpcc_struct_return, OPT_freg_struct_return,
-                          OPT_maix_struct_return, OPT_msvr4_struct_return)) {
-    // TODO: We might want to consider enabling these options on AIX in the
-    // future.
-    if (T.isOSAIX())
-      Diags.Report(diag::err_drv_unsupported_opt_for_target)
-          << A->getSpelling() << T.str();
-
-    const Option &O = A->getOption();
-    if (O.matches(OPT_fpcc_struct_return) ||
-        O.matches(OPT_maix_struct_return)) {
-      Opts.setStructReturnConvention(CodeGenOptions::SRCK_OnStack);
-    } else {
-      assert(O.matches(OPT_freg_struct_return) ||
-             O.matches(OPT_msvr4_struct_return));
-      Opts.setStructReturnConvention(CodeGenOptions::SRCK_InRegs);
-    }
-  }
-
-  if (Arg *A =
-          Args.getLastArg(OPT_mabi_EQ_vec_default, OPT_mabi_EQ_vec_extabi)) {
-    if (!T.isOSAIX())
-      Diags.Report(diag::err_drv_unsupported_opt_for_target)
-          << A->getSpelling() << T.str();
-
-    const Option &O = A->getOption();
-    Opts.EnableAIXExtendedAltivecABI = O.matches(OPT_mabi_EQ_vec_extabi);
-  }
-
-  bool NeedLocTracking = false;
-
-  if (!Opts.OptRecordFile.empty())
-    NeedLocTracking = true;
-
-  if (Arg *A = Args.getLastArg(OPT_opt_record_passes)) {
-    Opts.OptRecordPasses = A->getValue();
-    NeedLocTracking = true;
-  }
-
-  if (Arg *A = Args.getLastArg(OPT_opt_record_format)) {
-    Opts.OptRecordFormat = A->getValue();
-    NeedLocTracking = true;
-  }
-
-  Opts.OptimizationRemark =
-      ParseOptimizationRemark(Diags, Args, OPT_Rpass_EQ, "pass");
-
-  Opts.OptimizationRemarkMissed =
-      ParseOptimizationRemark(Diags, Args, OPT_Rpass_missed_EQ, "pass-missed");
-
-  Opts.OptimizationRemarkAnalysis = ParseOptimizationRemark(
-      Diags, Args, OPT_Rpass_analysis_EQ, "pass-analysis");
-
-  NeedLocTracking |= Opts.OptimizationRemark.hasValidPattern() ||
-                     Opts.OptimizationRemarkMissed.hasValidPattern() ||
-                     Opts.OptimizationRemarkAnalysis.hasValidPattern();
-
-  bool UsingSampleProfile = !Opts.SampleProfileFile.empty();
-  bool UsingProfile = UsingSampleProfile ||
-      (Opts.getProfileUse() != CodeGenOptions::ProfileNone);
-
-  if (Opts.DiagnosticsWithHotness && !UsingProfile &&
-      // An IR file will contain PGO as metadata
-      IK.getLanguage() != Language::LLVM_IR)
-    Diags.Report(diag::warn_drv_diagnostics_hotness_requires_pgo)
-        << "-fdiagnostics-show-hotness";
-
-  // Parse remarks hotness threshold. Valid value is either integer or 'auto'.
-  if (auto *arg =
-          Args.getLastArg(options::OPT_fdiagnostics_hotness_threshold_EQ)) {
-    auto ResultOrErr =
-        llvm::remarks::parseHotnessThresholdOption(arg->getValue());
-
-    if (!ResultOrErr) {
-      Diags.Report(diag::err_drv_invalid_diagnotics_hotness_threshold)
-          << "-fdiagnostics-hotness-threshold=";
-    } else {
-      Opts.DiagnosticsHotnessThreshold = *ResultOrErr;
-      if ((!Opts.DiagnosticsHotnessThreshold.hasValue() ||
-           Opts.DiagnosticsHotnessThreshold.getValue() > 0) &&
-          !UsingProfile)
-        Diags.Report(diag::warn_drv_diagnostics_hotness_requires_pgo)
-            << "-fdiagnostics-hotness-threshold=";
-    }
-  }
-
-  // If the user requested to use a sample profile for PGO, then the
-  // backend will need to track source location information so the profile
-  // can be incorporated into the IR.
-  if (UsingSampleProfile)
-    NeedLocTracking = true;
-
-  if (!Opts.StackUsageOutput.empty())
-    NeedLocTracking = true;
-
-  // If the user requested a flag that requires source locations available in
-  // the backend, make sure that the backend tracks source location information.
-  if (NeedLocTracking && Opts.getDebugInfo() == codegenoptions::NoDebugInfo)
-    Opts.setDebugInfo(codegenoptions::LocTrackingOnly);
-
-  // Parse -fsanitize-recover= arguments.
-  // FIXME: Report unrecoverable sanitizers incorrectly specified here.
-  parseSanitizerKinds("-fsanitize-recover=",
-                      Args.getAllArgValues(OPT_fsanitize_recover_EQ), Diags,
-                      Opts.SanitizeRecover);
-  parseSanitizerKinds("-fsanitize-trap=",
-                      Args.getAllArgValues(OPT_fsanitize_trap_EQ), Diags,
-                      Opts.SanitizeTrap);
-
-  Opts.EmitVersionIdentMetadata = Args.hasFlag(OPT_Qy, OPT_Qn, true);
-
-  if (Args.hasArg(options::OPT_ffinite_loops))
-    Opts.FiniteLoops = CodeGenOptions::FiniteLoopsKind::Always;
-  else if (Args.hasArg(options::OPT_fno_finite_loops))
-    Opts.FiniteLoops = CodeGenOptions::FiniteLoopsKind::Never;
-
-  Opts.EmitIEEENaNCompliantInsts =
-      Args.hasFlag(options::OPT_mamdgpu_ieee, options::OPT_mno_amdgpu_ieee);
-  if (!Opts.EmitIEEENaNCompliantInsts && !LangOptsRef.NoHonorNaNs)
-    Diags.Report(diag::err_drv_amdgpu_ieee_without_no_honor_nans);
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-static void
-GenerateDependencyOutputArgs(const DependencyOutputOptions &Opts,
-                             SmallVectorImpl<const char *> &Args,
-                             CompilerInvocation::StringAllocator SA) {
-  const DependencyOutputOptions &DependencyOutputOpts = Opts;
-#define DEPENDENCY_OUTPUT_OPTION_WITH_MARSHALLING(                             \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef DEPENDENCY_OUTPUT_OPTION_WITH_MARSHALLING
-
-  if (Opts.ShowIncludesDest != ShowIncludesDestination::None)
-    GenerateArg(Args, OPT_show_includes, SA);
-
-  for (const auto &Dep : Opts.ExtraDeps) {
-    switch (Dep.second) {
-    case EDK_SanitizeIgnorelist:
-      // Sanitizer ignorelist arguments are generated from LanguageOptions.
-      continue;
-    case EDK_ModuleFile:
-      // Module file arguments are generated from FrontendOptions and
-      // HeaderSearchOptions.
-      continue;
-    case EDK_ProfileList:
-      // Profile list arguments are generated from LanguageOptions via the
-      // marshalling infrastructure.
-      continue;
-    case EDK_DepFileEntry:
-      GenerateArg(Args, OPT_fdepfile_entry, Dep.first, SA);
-      break;
-    }
-  }
-}
-
-static bool ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
-                                      ArgList &Args, DiagnosticsEngine &Diags,
-                                      frontend::ActionKind Action,
-                                      bool ShowLineMarkers) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  DependencyOutputOptions &DependencyOutputOpts = Opts;
-#define DEPENDENCY_OUTPUT_OPTION_WITH_MARSHALLING(                             \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef DEPENDENCY_OUTPUT_OPTION_WITH_MARSHALLING
-
-  if (Args.hasArg(OPT_show_includes)) {
-    // Writing both /showIncludes and preprocessor output to stdout
-    // would produce interleaved output, so use stderr for /showIncludes.
-    // This behaves the same as cl.exe, when /E, /EP or /P are passed.
-    if (Action == frontend::PrintPreprocessedInput || !ShowLineMarkers)
-      Opts.ShowIncludesDest = ShowIncludesDestination::Stderr;
-    else
-      Opts.ShowIncludesDest = ShowIncludesDestination::Stdout;
-  } else {
-    Opts.ShowIncludesDest = ShowIncludesDestination::None;
-  }
-
-  // Add sanitizer ignorelists as extra dependencies.
-  // They won't be discovered by the regular preprocessor, so
-  // we let make / ninja to know about this implicit dependency.
-  if (!Args.hasArg(OPT_fno_sanitize_ignorelist)) {
-    for (const auto *A : Args.filtered(OPT_fsanitize_ignorelist_EQ)) {
-      StringRef Val = A->getValue();
-      if (!Val.contains('='))
-        Opts.ExtraDeps.emplace_back(std::string(Val), EDK_SanitizeIgnorelist);
-    }
-    if (Opts.IncludeSystemHeaders) {
-      for (const auto *A : Args.filtered(OPT_fsanitize_system_ignorelist_EQ)) {
-        StringRef Val = A->getValue();
-        if (!Val.contains('='))
-          Opts.ExtraDeps.emplace_back(std::string(Val), EDK_SanitizeIgnorelist);
-      }
-    }
-  }
-
-  // -fprofile-list= dependencies.
-  for (const auto &Filename : Args.getAllArgValues(OPT_fprofile_list_EQ))
-    Opts.ExtraDeps.emplace_back(Filename, EDK_ProfileList);
-
-  // Propagate the extra dependencies.
-  for (const auto *A : Args.filtered(OPT_fdepfile_entry))
-    Opts.ExtraDeps.emplace_back(A->getValue(), EDK_DepFileEntry);
-
-  // Only the -fmodule-file=<file> form.
-  for (const auto *A : Args.filtered(OPT_fmodule_file)) {
-    StringRef Val = A->getValue();
-    if (!Val.contains('='))
-      Opts.ExtraDeps.emplace_back(std::string(Val), EDK_ModuleFile);
-  }
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-static bool parseShowColorsArgs(const ArgList &Args, bool DefaultColor) {
-  // Color diagnostics default to auto ("on" if terminal supports) in the driver
-  // but default to off in cc1, needing an explicit OPT_fdiagnostics_color.
-  // Support both clang's -f[no-]color-diagnostics and gcc's
-  // -f[no-]diagnostics-colors[=never|always|auto].
-  enum {
-    Colors_On,
-    Colors_Off,
-    Colors_Auto
-  } ShowColors = DefaultColor ? Colors_Auto : Colors_Off;
-  for (auto *A : Args) {
-    const Option &O = A->getOption();
-    if (O.matches(options::OPT_fcolor_diagnostics) ||
-        O.matches(options::OPT_fdiagnostics_color)) {
-      ShowColors = Colors_On;
-    } else if (O.matches(options::OPT_fno_color_diagnostics) ||
-               O.matches(options::OPT_fno_diagnostics_color)) {
-      ShowColors = Colors_Off;
-    } else if (O.matches(options::OPT_fdiagnostics_color_EQ)) {
-      StringRef Value(A->getValue());
-      if (Value == "always")
-        ShowColors = Colors_On;
-      else if (Value == "never")
-        ShowColors = Colors_Off;
-      else if (Value == "auto")
-        ShowColors = Colors_Auto;
-    }
-  }
-  return ShowColors == Colors_On ||
-         (ShowColors == Colors_Auto &&
-          llvm::sys::Process::StandardErrHasColors());
-}
-
-static bool checkVerifyPrefixes(const std::vector<std::string> &VerifyPrefixes,
-                                DiagnosticsEngine &Diags) {
-  bool Success = true;
-  for (const auto &Prefix : VerifyPrefixes) {
-    // Every prefix must start with a letter and contain only alphanumeric
-    // characters, hyphens, and underscores.
-    auto BadChar = llvm::find_if(Prefix, [](char C) {
-      return !isAlphanumeric(C) && C != '-' && C != '_';
-    });
-    if (BadChar != Prefix.end() || !isLetter(Prefix[0])) {
-      Success = false;
-      Diags.Report(diag::err_drv_invalid_value) << "-verify=" << Prefix;
-      Diags.Report(diag::note_drv_verify_prefix_spelling);
-    }
-  }
-  return Success;
-}
-
-static void GenerateFileSystemArgs(const FileSystemOptions &Opts,
-                                   SmallVectorImpl<const char *> &Args,
-                                   CompilerInvocation::StringAllocator SA) {
-  const FileSystemOptions &FileSystemOpts = Opts;
-
-#define FILE_SYSTEM_OPTION_WITH_MARSHALLING(                                   \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef FILE_SYSTEM_OPTION_WITH_MARSHALLING
-}
-
-static bool ParseFileSystemArgs(FileSystemOptions &Opts, const ArgList &Args,
-                                DiagnosticsEngine &Diags) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  FileSystemOptions &FileSystemOpts = Opts;
-
-#define FILE_SYSTEM_OPTION_WITH_MARSHALLING(                                   \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef FILE_SYSTEM_OPTION_WITH_MARSHALLING
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-static void GenerateMigratorArgs(const MigratorOptions &Opts,
-                                 SmallVectorImpl<const char *> &Args,
-                                 CompilerInvocation::StringAllocator SA) {
-  const MigratorOptions &MigratorOpts = Opts;
-#define MIGRATOR_OPTION_WITH_MARSHALLING(                                      \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef MIGRATOR_OPTION_WITH_MARSHALLING
-}
-
-static bool ParseMigratorArgs(MigratorOptions &Opts, const ArgList &Args,
-                              DiagnosticsEngine &Diags) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  MigratorOptions &MigratorOpts = Opts;
-
-#define MIGRATOR_OPTION_WITH_MARSHALLING(                                      \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef MIGRATOR_OPTION_WITH_MARSHALLING
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-void CompilerInvocation::GenerateDiagnosticArgs(
-    const DiagnosticOptions &Opts, SmallVectorImpl<const char *> &Args,
-    StringAllocator SA, bool DefaultDiagColor) {
-  const DiagnosticOptions *DiagnosticOpts = &Opts;
-#define DIAG_OPTION_WITH_MARSHALLING(                                          \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef DIAG_OPTION_WITH_MARSHALLING
-
-  if (!Opts.DiagnosticSerializationFile.empty())
-    GenerateArg(Args, OPT_diagnostic_serialized_file,
-                Opts.DiagnosticSerializationFile, SA);
-
-  if (Opts.ShowColors)
-    GenerateArg(Args, OPT_fcolor_diagnostics, SA);
-
-  if (Opts.VerifyDiagnostics &&
-      llvm::is_contained(Opts.VerifyPrefixes, "expected"))
-    GenerateArg(Args, OPT_verify, SA);
-
-  for (const auto &Prefix : Opts.VerifyPrefixes)
-    if (Prefix != "expected")
-      GenerateArg(Args, OPT_verify_EQ, Prefix, SA);
-
-  DiagnosticLevelMask VIU = Opts.getVerifyIgnoreUnexpected();
-  if (VIU == DiagnosticLevelMask::None) {
-    // This is the default, don't generate anything.
-  } else if (VIU == DiagnosticLevelMask::All) {
-    GenerateArg(Args, OPT_verify_ignore_unexpected, SA);
-  } else {
-    if (static_cast<unsigned>(VIU & DiagnosticLevelMask::Note) != 0)
-      GenerateArg(Args, OPT_verify_ignore_unexpected_EQ, "note", SA);
-    if (static_cast<unsigned>(VIU & DiagnosticLevelMask::Remark) != 0)
-      GenerateArg(Args, OPT_verify_ignore_unexpected_EQ, "remark", SA);
-    if (static_cast<unsigned>(VIU & DiagnosticLevelMask::Warning) != 0)
-      GenerateArg(Args, OPT_verify_ignore_unexpected_EQ, "warning", SA);
-    if (static_cast<unsigned>(VIU & DiagnosticLevelMask::Error) != 0)
-      GenerateArg(Args, OPT_verify_ignore_unexpected_EQ, "error", SA);
-  }
-
-  for (const auto &Warning : Opts.Warnings) {
-    // This option is automatically generated from UndefPrefixes.
-    if (Warning == "undef-prefix")
-      continue;
-    Args.push_back(SA(StringRef("-W") + Warning));
-  }
-
-  for (const auto &Remark : Opts.Remarks) {
-    // These arguments are generated from OptimizationRemark fields of
-    // CodeGenOptions.
-    StringRef IgnoredRemarks[] = {"pass",          "no-pass",
-                                  "pass-analysis", "no-pass-analysis",
-                                  "pass-missed",   "no-pass-missed"};
-    if (llvm::is_contained(IgnoredRemarks, Remark))
-      continue;
-
-    Args.push_back(SA(StringRef("-R") + Remark));
-  }
-}
-
-std::unique_ptr<DiagnosticOptions>
-clang::CreateAndPopulateDiagOpts(ArrayRef<const char *> Argv) {
-  auto DiagOpts = std::make_unique<DiagnosticOptions>();
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args = getDriverOptTable().ParseArgs(
-      Argv.slice(1), MissingArgIndex, MissingArgCount);
-  // We ignore MissingArgCount and the return value of ParseDiagnosticArgs.
-  // Any errors that would be diagnosed here will also be diagnosed later,
-  // when the DiagnosticsEngine actually exists.
-  (void)ParseDiagnosticArgs(*DiagOpts, Args);
-  return DiagOpts;
-}
-
-bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
-                                DiagnosticsEngine *Diags,
-                                bool DefaultDiagColor) {
-  Optional<DiagnosticsEngine> IgnoringDiags;
-  if (!Diags) {
-    IgnoringDiags.emplace(new DiagnosticIDs(), new DiagnosticOptions(),
-                          new IgnoringDiagConsumer());
-    Diags = &*IgnoringDiags;
-  }
-
-  unsigned NumErrorsBefore = Diags->getNumErrors();
-
-  // The key paths of diagnostic options defined in Options.td start with
-  // "DiagnosticOpts->". Let's provide the expected variable name and type.
-  DiagnosticOptions *DiagnosticOpts = &Opts;
-
-#define DIAG_OPTION_WITH_MARSHALLING(                                          \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, *Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef DIAG_OPTION_WITH_MARSHALLING
-
-  llvm::sys::Process::UseANSIEscapeCodes(Opts.UseANSIEscapeCodes);
-
-  if (Arg *A =
-          Args.getLastArg(OPT_diagnostic_serialized_file, OPT__serialize_diags))
-    Opts.DiagnosticSerializationFile = A->getValue();
-  Opts.ShowColors = parseShowColorsArgs(Args, DefaultDiagColor);
-
-  Opts.VerifyDiagnostics = Args.hasArg(OPT_verify) || Args.hasArg(OPT_verify_EQ);
-  Opts.VerifyPrefixes = Args.getAllArgValues(OPT_verify_EQ);
-  if (Args.hasArg(OPT_verify))
-    Opts.VerifyPrefixes.push_back("expected");
-  // Keep VerifyPrefixes in its original order for the sake of diagnostics, and
-  // then sort it to prepare for fast lookup using std::binary_search.
-  if (!checkVerifyPrefixes(Opts.VerifyPrefixes, *Diags))
-    Opts.VerifyDiagnostics = false;
-  else
-    llvm::sort(Opts.VerifyPrefixes);
-  DiagnosticLevelMask DiagMask = DiagnosticLevelMask::None;
-  parseDiagnosticLevelMask(
-      "-verify-ignore-unexpected=",
-      Args.getAllArgValues(OPT_verify_ignore_unexpected_EQ), *Diags, DiagMask);
-  if (Args.hasArg(OPT_verify_ignore_unexpected))
-    DiagMask = DiagnosticLevelMask::All;
-  Opts.setVerifyIgnoreUnexpected(DiagMask);
-  if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) {
-    Opts.TabStop = DiagnosticOptions::DefaultTabStop;
-    Diags->Report(diag::warn_ignoring_ftabstop_value)
-        << Opts.TabStop << DiagnosticOptions::DefaultTabStop;
-  }
-
-  addDiagnosticArgs(Args, OPT_W_Group, OPT_W_value_Group, Opts.Warnings);
-  addDiagnosticArgs(Args, OPT_R_Group, OPT_R_value_Group, Opts.Remarks);
-
-  return Diags->getNumErrors() == NumErrorsBefore;
-}
-
-/// Parse the argument to the -ftest-module-file-extension
-/// command-line argument.
-///
-/// \returns true on error, false on success.
-static bool parseTestModuleFileExtensionArg(StringRef Arg,
-                                            std::string &BlockName,
-                                            unsigned &MajorVersion,
-                                            unsigned &MinorVersion,
-                                            bool &Hashed,
-                                            std::string &UserInfo) {
-  SmallVector<StringRef, 5> Args;
-  Arg.split(Args, ':', 5);
-  if (Args.size() < 5)
-    return true;
-
-  BlockName = std::string(Args[0]);
-  if (Args[1].getAsInteger(10, MajorVersion)) return true;
-  if (Args[2].getAsInteger(10, MinorVersion)) return true;
-  if (Args[3].getAsInteger(2, Hashed)) return true;
-  if (Args.size() > 4)
-    UserInfo = std::string(Args[4]);
-  return false;
-}
-
-/// Return a table that associates command line option specifiers with the
-/// frontend action. Note: The pair {frontend::PluginAction, OPT_plugin} is
-/// intentionally missing, as this case is handled separately from other
-/// frontend options.
-static const auto &getFrontendActionTable() {
-  static const std::pair<frontend::ActionKind, unsigned> Table[] = {
-      {frontend::ASTDeclList, OPT_ast_list},
-
-      {frontend::ASTDump, OPT_ast_dump_all_EQ},
-      {frontend::ASTDump, OPT_ast_dump_all},
-      {frontend::ASTDump, OPT_ast_dump_EQ},
-      {frontend::ASTDump, OPT_ast_dump},
-      {frontend::ASTDump, OPT_ast_dump_lookups},
-      {frontend::ASTDump, OPT_ast_dump_decl_types},
-
-      {frontend::ASTPrint, OPT_ast_print},
-      {frontend::ASTView, OPT_ast_view},
-      {frontend::DumpCompilerOptions, OPT_compiler_options_dump},
-      {frontend::DumpRawTokens, OPT_dump_raw_tokens},
-      {frontend::DumpTokens, OPT_dump_tokens},
-      {frontend::EmitAssembly, OPT_S},
-      {frontend::EmitBC, OPT_emit_llvm_bc},
-      {frontend::EmitHTML, OPT_emit_html},
-      {frontend::EmitLLVM, OPT_emit_llvm},
-      {frontend::EmitLLVMOnly, OPT_emit_llvm_only},
-      {frontend::EmitCodeGenOnly, OPT_emit_codegen_only},
-      {frontend::EmitCodeGenOnly, OPT_emit_codegen_only},
-      {frontend::EmitObj, OPT_emit_obj},
-      {frontend::ExtractAPI, OPT_extract_api},
-
-      {frontend::FixIt, OPT_fixit_EQ},
-      {frontend::FixIt, OPT_fixit},
-
-      {frontend::GenerateModule, OPT_emit_module},
-      {frontend::GenerateModuleInterface, OPT_emit_module_interface},
-      {frontend::GenerateHeaderModule, OPT_emit_header_module},
-      {frontend::GeneratePCH, OPT_emit_pch},
-      {frontend::GenerateInterfaceStubs, OPT_emit_interface_stubs},
-      {frontend::InitOnly, OPT_init_only},
-      {frontend::ParseSyntaxOnly, OPT_fsyntax_only},
-      {frontend::ModuleFileInfo, OPT_module_file_info},
-      {frontend::VerifyPCH, OPT_verify_pch},
-      {frontend::PrintPreamble, OPT_print_preamble},
-      {frontend::PrintPreprocessedInput, OPT_E},
-      {frontend::TemplightDump, OPT_templight_dump},
-      {frontend::RewriteMacros, OPT_rewrite_macros},
-      {frontend::RewriteObjC, OPT_rewrite_objc},
-      {frontend::RewriteTest, OPT_rewrite_test},
-      {frontend::RunAnalysis, OPT_analyze},
-      {frontend::MigrateSource, OPT_migrate},
-      {frontend::RunPreprocessorOnly, OPT_Eonly},
-      {frontend::PrintDependencyDirectivesSourceMinimizerOutput,
-          OPT_print_dependency_directives_minimized_source},
-  };
-
-  return Table;
-}
-
-/// Maps command line option to frontend action.
-static Optional<frontend::ActionKind> getFrontendAction(OptSpecifier &Opt) {
-  for (const auto &ActionOpt : getFrontendActionTable())
-    if (ActionOpt.second == Opt.getID())
-      return ActionOpt.first;
-
-  return None;
-}
-
-/// Maps frontend action to command line option.
-static Optional<OptSpecifier>
-getProgramActionOpt(frontend::ActionKind ProgramAction) {
-  for (const auto &ActionOpt : getFrontendActionTable())
-    if (ActionOpt.first == ProgramAction)
-      return OptSpecifier(ActionOpt.second);
-
-  return None;
-}
-
-static void GenerateFrontendArgs(const FrontendOptions &Opts,
-                                 SmallVectorImpl<const char *> &Args,
-                                 CompilerInvocation::StringAllocator SA,
-                                 bool IsHeader) {
-  const FrontendOptions &FrontendOpts = Opts;
-#define FRONTEND_OPTION_WITH_MARSHALLING(                                      \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef FRONTEND_OPTION_WITH_MARSHALLING
-
-  Optional<OptSpecifier> ProgramActionOpt =
-      getProgramActionOpt(Opts.ProgramAction);
-
-  // Generating a simple flag covers most frontend actions.
-  std::function<void()> GenerateProgramAction = [&]() {
-    GenerateArg(Args, *ProgramActionOpt, SA);
-  };
-
-  if (!ProgramActionOpt) {
-    // PluginAction is the only program action handled separately.
-    assert(Opts.ProgramAction == frontend::PluginAction &&
-           "Frontend action without option.");
-    GenerateProgramAction = [&]() {
-      GenerateArg(Args, OPT_plugin, Opts.ActionName, SA);
-    };
-  }
-
-  // FIXME: Simplify the complex 'AST dump' command line.
-  if (Opts.ProgramAction == frontend::ASTDump) {
-    GenerateProgramAction = [&]() {
-      // ASTDumpLookups, ASTDumpDeclTypes and ASTDumpFilter are generated via
-      // marshalling infrastructure.
-
-      if (Opts.ASTDumpFormat != ADOF_Default) {
-        StringRef Format;
-        switch (Opts.ASTDumpFormat) {
-        case ADOF_Default:
-          llvm_unreachable("Default AST dump format.");
-        case ADOF_JSON:
-          Format = "json";
-          break;
-        }
-
-        if (Opts.ASTDumpAll)
-          GenerateArg(Args, OPT_ast_dump_all_EQ, Format, SA);
-        if (Opts.ASTDumpDecls)
-          GenerateArg(Args, OPT_ast_dump_EQ, Format, SA);
-      } else {
-        if (Opts.ASTDumpAll)
-          GenerateArg(Args, OPT_ast_dump_all, SA);
-        if (Opts.ASTDumpDecls)
-          GenerateArg(Args, OPT_ast_dump, SA);
-      }
-    };
-  }
-
-  if (Opts.ProgramAction == frontend::FixIt && !Opts.FixItSuffix.empty()) {
-    GenerateProgramAction = [&]() {
-      GenerateArg(Args, OPT_fixit_EQ, Opts.FixItSuffix, SA);
-    };
-  }
-
-  GenerateProgramAction();
-
-  for (const auto &PluginArgs : Opts.PluginArgs) {
-    Option Opt = getDriverOptTable().getOption(OPT_plugin_arg);
-    const char *Spelling =
-        SA(Opt.getPrefix() + Opt.getName() + PluginArgs.first);
-    for (const auto &PluginArg : PluginArgs.second)
-      denormalizeString(Args, Spelling, SA, Opt.getKind(), 0, PluginArg);
-  }
-
-  for (const auto &Ext : Opts.ModuleFileExtensions)
-    if (auto *TestExt = dyn_cast_or_null<TestModuleFileExtension>(Ext.get()))
-      GenerateArg(Args, OPT_ftest_module_file_extension_EQ, TestExt->str(), SA);
-
-  if (!Opts.CodeCompletionAt.FileName.empty())
-    GenerateArg(Args, OPT_code_completion_at, Opts.CodeCompletionAt.ToString(),
-                SA);
-
-  for (const auto &Plugin : Opts.Plugins)
-    GenerateArg(Args, OPT_load, Plugin, SA);
-
-  // ASTDumpDecls and ASTDumpAll already handled with ProgramAction.
-
-  for (const auto &ModuleFile : Opts.ModuleFiles)
-    GenerateArg(Args, OPT_fmodule_file, ModuleFile, SA);
-
-  if (Opts.AuxTargetCPU.hasValue())
-    GenerateArg(Args, OPT_aux_target_cpu, *Opts.AuxTargetCPU, SA);
-
-  if (Opts.AuxTargetFeatures.hasValue())
-    for (const auto &Feature : *Opts.AuxTargetFeatures)
-      GenerateArg(Args, OPT_aux_target_feature, Feature, SA);
-
-  {
-    StringRef Preprocessed = Opts.DashX.isPreprocessed() ? "-cpp-output" : "";
-    StringRef ModuleMap =
-        Opts.DashX.getFormat() == InputKind::ModuleMap ? "-module-map" : "";
-    StringRef Header = IsHeader ? "-header" : "";
-
-    StringRef Lang;
-    switch (Opts.DashX.getLanguage()) {
-    case Language::C:
-      Lang = "c";
-      break;
-    case Language::OpenCL:
-      Lang = "cl";
-      break;
-    case Language::OpenCLCXX:
-      Lang = "clcpp";
-      break;
-    case Language::CUDA:
-      Lang = "cuda";
-      break;
-    case Language::HIP:
-      Lang = "hip";
-      break;
-    case Language::CXX:
-      Lang = "c++";
-      break;
-    case Language::ObjC:
-      Lang = "objective-c";
-      break;
-    case Language::ObjCXX:
-      Lang = "objective-c++";
-      break;
-    case Language::RenderScript:
-      Lang = "renderscript";
-      break;
-    case Language::Asm:
-      Lang = "assembler-with-cpp";
-      break;
-    case Language::Unknown:
-      assert(Opts.DashX.getFormat() == InputKind::Precompiled &&
-             "Generating -x argument for unknown language (not precompiled).");
-      Lang = "ast";
-      break;
-    case Language::LLVM_IR:
-      Lang = "ir";
-      break;
-    }
-
-    GenerateArg(Args, OPT_x, Lang + Header + ModuleMap + Preprocessed, SA);
-  }
-
-  // OPT_INPUT has a unique class, generate it directly.
-  for (const auto &Input : Opts.Inputs)
-    Args.push_back(SA(Input.getFile()));
-}
-
-static bool ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
-                              DiagnosticsEngine &Diags, bool &IsHeaderFile) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  FrontendOptions &FrontendOpts = Opts;
-
-#define FRONTEND_OPTION_WITH_MARSHALLING(                                      \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef FRONTEND_OPTION_WITH_MARSHALLING
-
-  Opts.ProgramAction = frontend::ParseSyntaxOnly;
-  if (const Arg *A = Args.getLastArg(OPT_Action_Group)) {
-    OptSpecifier Opt = OptSpecifier(A->getOption().getID());
-    Optional<frontend::ActionKind> ProgramAction = getFrontendAction(Opt);
-    assert(ProgramAction && "Option specifier not in Action_Group.");
-
-    if (ProgramAction == frontend::ASTDump &&
-        (Opt == OPT_ast_dump_all_EQ || Opt == OPT_ast_dump_EQ)) {
-      unsigned Val = llvm::StringSwitch<unsigned>(A->getValue())
-                         .CaseLower("default", ADOF_Default)
-                         .CaseLower("json", ADOF_JSON)
-                         .Default(std::numeric_limits<unsigned>::max());
-
-      if (Val != std::numeric_limits<unsigned>::max())
-        Opts.ASTDumpFormat = static_cast<ASTDumpOutputFormat>(Val);
-      else {
-        Diags.Report(diag::err_drv_invalid_value)
-            << A->getAsString(Args) << A->getValue();
-        Opts.ASTDumpFormat = ADOF_Default;
-      }
-    }
-
-    if (ProgramAction == frontend::FixIt && Opt == OPT_fixit_EQ)
-      Opts.FixItSuffix = A->getValue();
-
-    if (ProgramAction == frontend::GenerateInterfaceStubs) {
-      StringRef ArgStr =
-          Args.hasArg(OPT_interface_stub_version_EQ)
-              ? Args.getLastArgValue(OPT_interface_stub_version_EQ)
-              : "ifs-v1";
-      if (ArgStr == "experimental-yaml-elf-v1" ||
-          ArgStr == "experimental-ifs-v1" || ArgStr == "experimental-ifs-v2" ||
-          ArgStr == "experimental-tapi-elf-v1") {
-        std::string ErrorMessage =
-            "Invalid interface stub format: " + ArgStr.str() +
-            " is deprecated.";
-        Diags.Report(diag::err_drv_invalid_value)
-            << "Must specify a valid interface stub format type, ie: "
-               "-interface-stub-version=ifs-v1"
-            << ErrorMessage;
-        ProgramAction = frontend::ParseSyntaxOnly;
-      } else if (!ArgStr.startswith("ifs-")) {
-        std::string ErrorMessage =
-            "Invalid interface stub format: " + ArgStr.str() + ".";
-        Diags.Report(diag::err_drv_invalid_value)
-            << "Must specify a valid interface stub format type, ie: "
-               "-interface-stub-version=ifs-v1"
-            << ErrorMessage;
-        ProgramAction = frontend::ParseSyntaxOnly;
-      }
-    }
-
-    Opts.ProgramAction = *ProgramAction;
-  }
-
-  if (const Arg* A = Args.getLastArg(OPT_plugin)) {
-    Opts.Plugins.emplace_back(A->getValue(0));
-    Opts.ProgramAction = frontend::PluginAction;
-    Opts.ActionName = A->getValue();
-  }
-  for (const auto *AA : Args.filtered(OPT_plugin_arg))
-    Opts.PluginArgs[AA->getValue(0)].emplace_back(AA->getValue(1));
-
-  for (const std::string &Arg :
-         Args.getAllArgValues(OPT_ftest_module_file_extension_EQ)) {
-    std::string BlockName;
-    unsigned MajorVersion;
-    unsigned MinorVersion;
-    bool Hashed;
-    std::string UserInfo;
-    if (parseTestModuleFileExtensionArg(Arg, BlockName, MajorVersion,
-                                        MinorVersion, Hashed, UserInfo)) {
-      Diags.Report(diag::err_test_module_file_extension_format) << Arg;
-
-      continue;
-    }
-
-    // Add the testing module file extension.
-    Opts.ModuleFileExtensions.push_back(
-        std::make_shared<TestModuleFileExtension>(
-            BlockName, MajorVersion, MinorVersion, Hashed, UserInfo));
-  }
-
-  if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
-    Opts.CodeCompletionAt =
-      ParsedSourceLocation::FromString(A->getValue());
-    if (Opts.CodeCompletionAt.FileName.empty())
-      Diags.Report(diag::err_drv_invalid_value)
-        << A->getAsString(Args) << A->getValue();
-  }
-
-  Opts.Plugins = Args.getAllArgValues(OPT_load);
-  Opts.ASTDumpDecls = Args.hasArg(OPT_ast_dump, OPT_ast_dump_EQ);
-  Opts.ASTDumpAll = Args.hasArg(OPT_ast_dump_all, OPT_ast_dump_all_EQ);
-  // Only the -fmodule-file=<file> form.
-  for (const auto *A : Args.filtered(OPT_fmodule_file)) {
-    StringRef Val = A->getValue();
-    if (!Val.contains('='))
-      Opts.ModuleFiles.push_back(std::string(Val));
-  }
-
-  if (Opts.ProgramAction != frontend::GenerateModule && Opts.IsSystemModule)
-    Diags.Report(diag::err_drv_argument_only_allowed_with) << "-fsystem-module"
-                                                           << "-emit-module";
-
-  if (Args.hasArg(OPT_aux_target_cpu))
-    Opts.AuxTargetCPU = std::string(Args.getLastArgValue(OPT_aux_target_cpu));
-  if (Args.hasArg(OPT_aux_target_feature))
-    Opts.AuxTargetFeatures = Args.getAllArgValues(OPT_aux_target_feature);
-
-  if (Opts.ARCMTAction != FrontendOptions::ARCMT_None &&
-      Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) {
-    Diags.Report(diag::err_drv_argument_not_allowed_with)
-      << "ARC migration" << "ObjC migration";
-  }
-
-  InputKind DashX(Language::Unknown);
-  if (const Arg *A = Args.getLastArg(OPT_x)) {
-    StringRef XValue = A->getValue();
-
-    // Parse suffixes: '<lang>(-header|[-module-map][-cpp-output])'.
-    // FIXME: Supporting '<lang>-header-cpp-output' would be useful.
-    bool Preprocessed = XValue.consume_back("-cpp-output");
-    bool ModuleMap = XValue.consume_back("-module-map");
-    IsHeaderFile = !Preprocessed && !ModuleMap &&
-                   XValue != "precompiled-header" &&
-                   XValue.consume_back("-header");
-
-    // Principal languages.
-    DashX = llvm::StringSwitch<InputKind>(XValue)
-                .Case("c", Language::C)
-                .Case("cl", Language::OpenCL)
-                .Case("clcpp", Language::OpenCLCXX)
-                .Case("cuda", Language::CUDA)
-                .Case("hip", Language::HIP)
-                .Case("c++", Language::CXX)
-                .Case("objective-c", Language::ObjC)
-                .Case("objective-c++", Language::ObjCXX)
-                .Case("renderscript", Language::RenderScript)
-                .Default(Language::Unknown);
-
-    // "objc[++]-cpp-output" is an acceptable synonym for
-    // "objective-c[++]-cpp-output".
-    if (DashX.isUnknown() && Preprocessed && !IsHeaderFile && !ModuleMap)
-      DashX = llvm::StringSwitch<InputKind>(XValue)
-                  .Case("objc", Language::ObjC)
-                  .Case("objc++", Language::ObjCXX)
-                  .Default(Language::Unknown);
-
-    // Some special cases cannot be combined with suffixes.
-    if (DashX.isUnknown() && !Preprocessed && !ModuleMap && !IsHeaderFile)
-      DashX = llvm::StringSwitch<InputKind>(XValue)
-                  .Case("cpp-output", InputKind(Language::C).getPreprocessed())
-                  .Case("assembler-with-cpp", Language::Asm)
-                  .Cases("ast", "pcm", "precompiled-header",
-                         InputKind(Language::Unknown, InputKind::Precompiled))
-                  .Case("ir", Language::LLVM_IR)
-                  .Default(Language::Unknown);
-
-    if (DashX.isUnknown())
-      Diags.Report(diag::err_drv_invalid_value)
-        << A->getAsString(Args) << A->getValue();
-
-    if (Preprocessed)
-      DashX = DashX.getPreprocessed();
-    if (ModuleMap)
-      DashX = DashX.withFormat(InputKind::ModuleMap);
-  }
-
-  // '-' is the default input if none is given.
-  std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT);
-  Opts.Inputs.clear();
-  if (Inputs.empty())
-    Inputs.push_back("-");
-  for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
-    InputKind IK = DashX;
-    if (IK.isUnknown()) {
-      IK = FrontendOptions::getInputKindForExtension(
-        StringRef(Inputs[i]).rsplit('.').second);
-      // FIXME: Warn on this?
-      if (IK.isUnknown())
-        IK = Language::C;
-      // FIXME: Remove this hack.
-      if (i == 0)
-        DashX = IK;
-    }
-
-    bool IsSystem = false;
-
-    // The -emit-module action implicitly takes a module map.
-    if (Opts.ProgramAction == frontend::GenerateModule &&
-        IK.getFormat() == InputKind::Source) {
-      IK = IK.withFormat(InputKind::ModuleMap);
-      IsSystem = Opts.IsSystemModule;
-    }
-
-    Opts.Inputs.emplace_back(std::move(Inputs[i]), IK, IsSystem);
-  }
-
-  Opts.DashX = DashX;
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-std::string CompilerInvocation::GetResourcesPath(const char *Argv0,
-                                                 void *MainAddr) {
-  std::string ClangExecutable =
-      llvm::sys::fs::getMainExecutable(Argv0, MainAddr);
-  return Driver::GetResourcesPath(ClangExecutable, CLANG_RESOURCE_DIR);
-}
-
-static void GenerateHeaderSearchArgs(HeaderSearchOptions &Opts,
-                                     SmallVectorImpl<const char *> &Args,
-                                     CompilerInvocation::StringAllocator SA) {
-  const HeaderSearchOptions *HeaderSearchOpts = &Opts;
-#define HEADER_SEARCH_OPTION_WITH_MARSHALLING(                                 \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef HEADER_SEARCH_OPTION_WITH_MARSHALLING
-
-  if (Opts.UseLibcxx)
-    GenerateArg(Args, OPT_stdlib_EQ, "libc++", SA);
-
-  if (!Opts.ModuleCachePath.empty())
-    GenerateArg(Args, OPT_fmodules_cache_path, Opts.ModuleCachePath, SA);
-
-  for (const auto &File : Opts.PrebuiltModuleFiles)
-    GenerateArg(Args, OPT_fmodule_file, File.first + "=" + File.second, SA);
-
-  for (const auto &Path : Opts.PrebuiltModulePaths)
-    GenerateArg(Args, OPT_fprebuilt_module_path, Path, SA);
-
-  for (const auto &Macro : Opts.ModulesIgnoreMacros)
-    GenerateArg(Args, OPT_fmodules_ignore_macro, Macro.val(), SA);
-
-  auto Matches = [](const HeaderSearchOptions::Entry &Entry,
-                    llvm::ArrayRef<frontend::IncludeDirGroup> Groups,
-                    llvm::Optional<bool> IsFramework,
-                    llvm::Optional<bool> IgnoreSysRoot) {
-    return llvm::is_contained(Groups, Entry.Group) &&
-           (!IsFramework || (Entry.IsFramework == *IsFramework)) &&
-           (!IgnoreSysRoot || (Entry.IgnoreSysRoot == *IgnoreSysRoot));
-  };
-
-  auto It = Opts.UserEntries.begin();
-  auto End = Opts.UserEntries.end();
-
-  // Add -I..., -F..., and -index-header-map options in order.
-  for (; It < End &&
-         Matches(*It, {frontend::IndexHeaderMap, frontend::Angled}, None, true);
-       ++It) {
-    OptSpecifier Opt = [It, Matches]() {
-      if (Matches(*It, frontend::IndexHeaderMap, true, true))
-        return OPT_F;
-      if (Matches(*It, frontend::IndexHeaderMap, false, true))
-        return OPT_I;
-      if (Matches(*It, frontend::Angled, true, true))
-        return OPT_F;
-      if (Matches(*It, frontend::Angled, false, true))
-        return OPT_I;
-      llvm_unreachable("Unexpected HeaderSearchOptions::Entry.");
-    }();
-
-    if (It->Group == frontend::IndexHeaderMap)
-      GenerateArg(Args, OPT_index_header_map, SA);
-    GenerateArg(Args, Opt, It->Path, SA);
-  };
-
-  // Note: some paths that came from "[-iprefix=xx] -iwithprefixbefore=yy" may
-  // have already been generated as "-I[xx]yy". If that's the case, their
-  // position on command line was such that this has no semantic impact on
-  // include paths.
-  for (; It < End &&
-         Matches(*It, {frontend::After, frontend::Angled}, false, true);
-       ++It) {
-    OptSpecifier Opt =
-        It->Group == frontend::After ? OPT_iwithprefix : OPT_iwithprefixbefore;
-    GenerateArg(Args, Opt, It->Path, SA);
-  }
-
-  // Note: Some paths that came from "-idirafter=xxyy" may have already been
-  // generated as "-iwithprefix=xxyy". If that's the case, their position on
-  // command line was such that this has no semantic impact on include paths.
-  for (; It < End && Matches(*It, {frontend::After}, false, true); ++It)
-    GenerateArg(Args, OPT_idirafter, It->Path, SA);
-  for (; It < End && Matches(*It, {frontend::Quoted}, false, true); ++It)
-    GenerateArg(Args, OPT_iquote, It->Path, SA);
-  for (; It < End && Matches(*It, {frontend::System}, false, None); ++It)
-    GenerateArg(Args, It->IgnoreSysRoot ? OPT_isystem : OPT_iwithsysroot,
-                It->Path, SA);
-  for (; It < End && Matches(*It, {frontend::System}, true, true); ++It)
-    GenerateArg(Args, OPT_iframework, It->Path, SA);
-  for (; It < End && Matches(*It, {frontend::System}, true, false); ++It)
-    GenerateArg(Args, OPT_iframeworkwithsysroot, It->Path, SA);
-
-  // Add the paths for the various language specific isystem flags.
-  for (; It < End && Matches(*It, {frontend::CSystem}, false, true); ++It)
-    GenerateArg(Args, OPT_c_isystem, It->Path, SA);
-  for (; It < End && Matches(*It, {frontend::CXXSystem}, false, true); ++It)
-    GenerateArg(Args, OPT_cxx_isystem, It->Path, SA);
-  for (; It < End && Matches(*It, {frontend::ObjCSystem}, false, true); ++It)
-    GenerateArg(Args, OPT_objc_isystem, It->Path, SA);
-  for (; It < End && Matches(*It, {frontend::ObjCXXSystem}, false, true); ++It)
-    GenerateArg(Args, OPT_objcxx_isystem, It->Path, SA);
-
-  // Add the internal paths from a driver that detects standard include paths.
-  // Note: Some paths that came from "-internal-isystem" arguments may have
-  // already been generated as "-isystem". If that's the case, their position on
-  // command line was such that this has no semantic impact on include paths.
-  for (; It < End &&
-         Matches(*It, {frontend::System, frontend::ExternCSystem}, false, true);
-       ++It) {
-    OptSpecifier Opt = It->Group == frontend::System
-                           ? OPT_internal_isystem
-                           : OPT_internal_externc_isystem;
-    GenerateArg(Args, Opt, It->Path, SA);
-  }
-
-  assert(It == End && "Unhandled HeaderSearchOption::Entry.");
-
-  // Add the path prefixes which are implicitly treated as being system headers.
-  for (const auto &P : Opts.SystemHeaderPrefixes) {
-    OptSpecifier Opt = P.IsSystemHeader ? OPT_system_header_prefix
-                                        : OPT_no_system_header_prefix;
-    GenerateArg(Args, Opt, P.Prefix, SA);
-  }
-
-  for (const std::string &F : Opts.VFSOverlayFiles)
-    GenerateArg(Args, OPT_ivfsoverlay, F, SA);
-}
-
-static bool ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args,
-                                  DiagnosticsEngine &Diags,
-                                  const std::string &WorkingDir) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  HeaderSearchOptions *HeaderSearchOpts = &Opts;
-
-#define HEADER_SEARCH_OPTION_WITH_MARSHALLING(                                 \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef HEADER_SEARCH_OPTION_WITH_MARSHALLING
-
-  if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ))
-    Opts.UseLibcxx = (strcmp(A->getValue(), "libc++") == 0);
-
-  // Canonicalize -fmodules-cache-path before storing it.
-  SmallString<128> P(Args.getLastArgValue(OPT_fmodules_cache_path));
-  if (!(P.empty() || llvm::sys::path::is_absolute(P))) {
-    if (WorkingDir.empty())
-      llvm::sys::fs::make_absolute(P);
-    else
-      llvm::sys::fs::make_absolute(WorkingDir, P);
-  }
-  llvm::sys::path::remove_dots(P);
-  Opts.ModuleCachePath = std::string(P.str());
-
-  // Only the -fmodule-file=<name>=<file> form.
-  for (const auto *A : Args.filtered(OPT_fmodule_file)) {
-    StringRef Val = A->getValue();
-    if (Val.contains('=')) {
-      auto Split = Val.split('=');
-      Opts.PrebuiltModuleFiles.insert(
-          {std::string(Split.first), std::string(Split.second)});
-    }
-  }
-  for (const auto *A : Args.filtered(OPT_fprebuilt_module_path))
-    Opts.AddPrebuiltModulePath(A->getValue());
-
-  for (const auto *A : Args.filtered(OPT_fmodules_ignore_macro)) {
-    StringRef MacroDef = A->getValue();
-    Opts.ModulesIgnoreMacros.insert(
-        llvm::CachedHashString(MacroDef.split('=').first));
-  }
-
-  // Add -I..., -F..., and -index-header-map options in order.
-  bool IsIndexHeaderMap = false;
-  bool IsSysrootSpecified =
-      Args.hasArg(OPT__sysroot_EQ) || Args.hasArg(OPT_isysroot);
-  for (const auto *A : Args.filtered(OPT_I, OPT_F, OPT_index_header_map)) {
-    if (A->getOption().matches(OPT_index_header_map)) {
-      // -index-header-map applies to the next -I or -F.
-      IsIndexHeaderMap = true;
-      continue;
-    }
-
-    frontend::IncludeDirGroup Group =
-        IsIndexHeaderMap ? frontend::IndexHeaderMap : frontend::Angled;
-
-    bool IsFramework = A->getOption().matches(OPT_F);
-    std::string Path = A->getValue();
-
-    if (IsSysrootSpecified && !IsFramework && A->getValue()[0] == '=') {
-      SmallString<32> Buffer;
-      llvm::sys::path::append(Buffer, Opts.Sysroot,
-                              llvm::StringRef(A->getValue()).substr(1));
-      Path = std::string(Buffer.str());
-    }
-
-    Opts.AddPath(Path, Group, IsFramework,
-                 /*IgnoreSysroot*/ true);
-    IsIndexHeaderMap = false;
-  }
-
-  // Add -iprefix/-iwithprefix/-iwithprefixbefore options.
-  StringRef Prefix = ""; // FIXME: This isn't the correct default prefix.
-  for (const auto *A :
-       Args.filtered(OPT_iprefix, OPT_iwithprefix, OPT_iwithprefixbefore)) {
-    if (A->getOption().matches(OPT_iprefix))
-      Prefix = A->getValue();
-    else if (A->getOption().matches(OPT_iwithprefix))
-      Opts.AddPath(Prefix.str() + A->getValue(), frontend::After, false, true);
-    else
-      Opts.AddPath(Prefix.str() + A->getValue(), frontend::Angled, false, true);
-  }
-
-  for (const auto *A : Args.filtered(OPT_idirafter))
-    Opts.AddPath(A->getValue(), frontend::After, false, true);
-  for (const auto *A : Args.filtered(OPT_iquote))
-    Opts.AddPath(A->getValue(), frontend::Quoted, false, true);
-  for (const auto *A : Args.filtered(OPT_isystem, OPT_iwithsysroot))
-    Opts.AddPath(A->getValue(), frontend::System, false,
-                 !A->getOption().matches(OPT_iwithsysroot));
-  for (const auto *A : Args.filtered(OPT_iframework))
-    Opts.AddPath(A->getValue(), frontend::System, true, true);
-  for (const auto *A : Args.filtered(OPT_iframeworkwithsysroot))
-    Opts.AddPath(A->getValue(), frontend::System, /*IsFramework=*/true,
-                 /*IgnoreSysRoot=*/false);
-
-  // Add the paths for the various language specific isystem flags.
-  for (const auto *A : Args.filtered(OPT_c_isystem))
-    Opts.AddPath(A->getValue(), frontend::CSystem, false, true);
-  for (const auto *A : Args.filtered(OPT_cxx_isystem))
-    Opts.AddPath(A->getValue(), frontend::CXXSystem, false, true);
-  for (const auto *A : Args.filtered(OPT_objc_isystem))
-    Opts.AddPath(A->getValue(), frontend::ObjCSystem, false,true);
-  for (const auto *A : Args.filtered(OPT_objcxx_isystem))
-    Opts.AddPath(A->getValue(), frontend::ObjCXXSystem, false, true);
-
-  // Add the internal paths from a driver that detects standard include paths.
-  for (const auto *A :
-       Args.filtered(OPT_internal_isystem, OPT_internal_externc_isystem)) {
-    frontend::IncludeDirGroup Group = frontend::System;
-    if (A->getOption().matches(OPT_internal_externc_isystem))
-      Group = frontend::ExternCSystem;
-    Opts.AddPath(A->getValue(), Group, false, true);
-  }
-
-  // Add the path prefixes which are implicitly treated as being system headers.
-  for (const auto *A :
-       Args.filtered(OPT_system_header_prefix, OPT_no_system_header_prefix))
-    Opts.AddSystemHeaderPrefix(
-        A->getValue(), A->getOption().matches(OPT_system_header_prefix));
-
-  for (const auto *A : Args.filtered(OPT_ivfsoverlay))
-    Opts.AddVFSOverlayFile(A->getValue());
-
-  Opts.CaseInsensitive = Args.hasArg(OPT_fcase_insensitive_paths);
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
-                                         const llvm::Triple &T,
-                                         std::vector<std::string> &Includes,
-                                         LangStandard::Kind LangStd) {
-  // Set some properties which depend solely on the input kind; it would be nice
-  // to move these to the language standard, and have the driver resolve the
-  // input kind + language standard.
-  //
-  // FIXME: Perhaps a better model would be for a single source file to have
-  // multiple language standards (C / C++ std, ObjC std, OpenCL std, OpenMP std)
-  // simultaneously active?
-  if (IK.getLanguage() == Language::Asm) {
-    Opts.AsmPreprocessor = 1;
-  } else if (IK.isObjectiveC()) {
-    Opts.ObjC = 1;
-  }
-
-  if (LangStd == LangStandard::lang_unspecified) {
-    // Based on the base language, pick one.
-    switch (IK.getLanguage()) {
-    case Language::Unknown:
-    case Language::LLVM_IR:
-      llvm_unreachable("Invalid input kind!");
-    case Language::OpenCL:
-      LangStd = LangStandard::lang_opencl12;
-      break;
-    case Language::OpenCLCXX:
-      LangStd = LangStandard::lang_openclcpp10;
-      break;
-    case Language::CUDA:
-      LangStd = LangStandard::lang_cuda;
-      break;
-    case Language::Asm:
-    case Language::C:
-#if defined(CLANG_DEFAULT_STD_C)
-      LangStd = CLANG_DEFAULT_STD_C;
-#else
-      // The PS4 uses C99 as the default C standard.
-      if (T.isPS4())
-        LangStd = LangStandard::lang_gnu99;
-      else
-        LangStd = LangStandard::lang_gnu17;
-#endif
-      break;
-    case Language::ObjC:
-#if defined(CLANG_DEFAULT_STD_C)
-      LangStd = CLANG_DEFAULT_STD_C;
-#else
-      LangStd = LangStandard::lang_gnu11;
-#endif
-      break;
-    case Language::CXX:
-    case Language::ObjCXX:
-#if defined(CLANG_DEFAULT_STD_CXX)
-      LangStd = CLANG_DEFAULT_STD_CXX;
-#else
-      LangStd = LangStandard::lang_gnucxx14;
-#endif
-      break;
-    case Language::RenderScript:
-      LangStd = LangStandard::lang_c99;
-      break;
-    case Language::HIP:
-      LangStd = LangStandard::lang_hip;
-      break;
-    }
-  }
-
-  const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
-  Opts.LangStd = LangStd;
-  Opts.LineComment = Std.hasLineComments();
-  Opts.C99 = Std.isC99();
-  Opts.C11 = Std.isC11();
-  Opts.C17 = Std.isC17();
-  Opts.C2x = Std.isC2x();
-  Opts.CPlusPlus = Std.isCPlusPlus();
-  Opts.CPlusPlus11 = Std.isCPlusPlus11();
-  Opts.CPlusPlus14 = Std.isCPlusPlus14();
-  Opts.CPlusPlus17 = Std.isCPlusPlus17();
-  Opts.CPlusPlus20 = Std.isCPlusPlus20();
-  Opts.CPlusPlus2b = Std.isCPlusPlus2b();
-  Opts.GNUMode = Std.isGNUMode();
-  Opts.GNUCVersion = 0;
-  Opts.HexFloats = Std.hasHexFloats();
-  Opts.ImplicitInt = Std.hasImplicitInt();
-
-  // Set OpenCL Version.
-  Opts.OpenCL = Std.isOpenCL();
-  if (LangStd == LangStandard::lang_opencl10)
-    Opts.OpenCLVersion = 100;
-  else if (LangStd == LangStandard::lang_opencl11)
-    Opts.OpenCLVersion = 110;
-  else if (LangStd == LangStandard::lang_opencl12)
-    Opts.OpenCLVersion = 120;
-  else if (LangStd == LangStandard::lang_opencl20)
-    Opts.OpenCLVersion = 200;
-  else if (LangStd == LangStandard::lang_opencl30)
-    Opts.OpenCLVersion = 300;
-  else if (LangStd == LangStandard::lang_openclcpp10)
-    Opts.OpenCLCPlusPlusVersion = 100;
-  else if (LangStd == LangStandard::lang_openclcpp2021)
-    Opts.OpenCLCPlusPlusVersion = 202100;
-
-  // OpenCL has some additional defaults.
-  if (Opts.OpenCL) {
-    Opts.AltiVec = 0;
-    Opts.ZVector = 0;
-    Opts.setDefaultFPContractMode(LangOptions::FPM_On);
-    Opts.OpenCLCPlusPlus = Opts.CPlusPlus;
-    Opts.OpenCLPipes = Opts.getOpenCLCompatibleVersion() == 200;
-    Opts.OpenCLGenericAddressSpace = Opts.getOpenCLCompatibleVersion() == 200;
-
-    // Include default header file for OpenCL.
-    if (Opts.IncludeDefaultHeader) {
-      if (Opts.DeclareOpenCLBuiltins) {
-        // Only include base header file for builtin types and constants.
-        Includes.push_back("opencl-c-base.h");
-      } else {
-        Includes.push_back("opencl-c.h");
-      }
-    }
-  }
-
-  Opts.HIP = IK.getLanguage() == Language::HIP;
-  Opts.CUDA = IK.getLanguage() == Language::CUDA || Opts.HIP;
-  if (Opts.HIP) {
-    // HIP toolchain does not support 'Fast' FPOpFusion in backends since it
-    // fuses multiplication/addition instructions without contract flag from
-    // device library functions in LLVM bitcode, which causes accuracy loss in
-    // certain math functions, e.g. tan(-1e20) becomes -0.933 instead of 0.8446.
-    // For device library functions in bitcode to work, 'Strict' or 'Standard'
-    // FPOpFusion options in backends is needed. Therefore 'fast-honor-pragmas'
-    // FP contract option is used to allow fuse across statements in frontend
-    // whereas respecting contract flag in backend.
-    Opts.setDefaultFPContractMode(LangOptions::FPM_FastHonorPragmas);
-  } else if (Opts.CUDA) {
-    // Allow fuse across statements disregarding pragmas.
-    Opts.setDefaultFPContractMode(LangOptions::FPM_Fast);
-  }
-
-  Opts.RenderScript = IK.getLanguage() == Language::RenderScript;
-
-  // OpenCL and C++ both have bool, true, false keywords.
-  Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
-
-  // OpenCL has half keyword
-  Opts.Half = Opts.OpenCL;
-}
-
-/// Check if input file kind and language standard are compatible.
-static bool IsInputCompatibleWithStandard(InputKind IK,
-                                          const LangStandard &S) {
-  switch (IK.getLanguage()) {
-  case Language::Unknown:
-  case Language::LLVM_IR:
-    llvm_unreachable("should not parse language flags for this input");
-
-  case Language::C:
-  case Language::ObjC:
-  case Language::RenderScript:
-    return S.getLanguage() == Language::C;
-
-  case Language::OpenCL:
-    return S.getLanguage() == Language::OpenCL ||
-           S.getLanguage() == Language::OpenCLCXX;
-
-  case Language::OpenCLCXX:
-    return S.getLanguage() == Language::OpenCLCXX;
-
-  case Language::CXX:
-  case Language::ObjCXX:
-    return S.getLanguage() == Language::CXX;
-
-  case Language::CUDA:
-    // FIXME: What -std= values should be permitted for CUDA compilations?
-    return S.getLanguage() == Language::CUDA ||
-           S.getLanguage() == Language::CXX;
-
-  case Language::HIP:
-    return S.getLanguage() == Language::CXX || S.getLanguage() == Language::HIP;
-
-  case Language::Asm:
-    // Accept (and ignore) all -std= values.
-    // FIXME: The -std= value is not ignored; it affects the tokenization
-    // and preprocessing rules if we're preprocessing this asm input.
-    return true;
-  }
-
-  llvm_unreachable("unexpected input language");
-}
-
-/// Get language name for given input kind.
-static StringRef GetInputKindName(InputKind IK) {
-  switch (IK.getLanguage()) {
-  case Language::C:
-    return "C";
-  case Language::ObjC:
-    return "Objective-C";
-  case Language::CXX:
-    return "C++";
-  case Language::ObjCXX:
-    return "Objective-C++";
-  case Language::OpenCL:
-    return "OpenCL";
-  case Language::OpenCLCXX:
-    return "C++ for OpenCL";
-  case Language::CUDA:
-    return "CUDA";
-  case Language::RenderScript:
-    return "RenderScript";
-  case Language::HIP:
-    return "HIP";
-
-  case Language::Asm:
-    return "Asm";
-  case Language::LLVM_IR:
-    return "LLVM IR";
-
-  case Language::Unknown:
-    break;
-  }
-  llvm_unreachable("unknown input language");
-}
-
-void CompilerInvocation::GenerateLangArgs(const LangOptions &Opts,
-                                          SmallVectorImpl<const char *> &Args,
-                                          StringAllocator SA,
-                                          const llvm::Triple &T, InputKind IK) {
-  if (IK.getFormat() == InputKind::Precompiled ||
-      IK.getLanguage() == Language::LLVM_IR) {
-    if (Opts.ObjCAutoRefCount)
-      GenerateArg(Args, OPT_fobjc_arc, SA);
-    if (Opts.PICLevel != 0)
-      GenerateArg(Args, OPT_pic_level, Twine(Opts.PICLevel), SA);
-    if (Opts.PIE)
-      GenerateArg(Args, OPT_pic_is_pie, SA);
-    for (StringRef Sanitizer : serializeSanitizerKinds(Opts.Sanitize))
-      GenerateArg(Args, OPT_fsanitize_EQ, Sanitizer, SA);
-
-    return;
-  }
-
-  OptSpecifier StdOpt;
-  switch (Opts.LangStd) {
-  case LangStandard::lang_opencl10:
-  case LangStandard::lang_opencl11:
-  case LangStandard::lang_opencl12:
-  case LangStandard::lang_opencl20:
-  case LangStandard::lang_opencl30:
-  case LangStandard::lang_openclcpp10:
-  case LangStandard::lang_openclcpp2021:
-    StdOpt = OPT_cl_std_EQ;
-    break;
-  default:
-    StdOpt = OPT_std_EQ;
-    break;
-  }
-
-  auto LangStandard = LangStandard::getLangStandardForKind(Opts.LangStd);
-  GenerateArg(Args, StdOpt, LangStandard.getName(), SA);
-
-  if (Opts.IncludeDefaultHeader)
-    GenerateArg(Args, OPT_finclude_default_header, SA);
-  if (Opts.DeclareOpenCLBuiltins)
-    GenerateArg(Args, OPT_fdeclare_opencl_builtins, SA);
-
-  const LangOptions *LangOpts = &Opts;
-
-#define LANG_OPTION_WITH_MARSHALLING(                                          \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef LANG_OPTION_WITH_MARSHALLING
-
-  // The '-fcf-protection=' option is generated by CodeGenOpts generator.
-
-  if (Opts.ObjC) {
-    GenerateArg(Args, OPT_fobjc_runtime_EQ, Opts.ObjCRuntime.getAsString(), SA);
-
-    if (Opts.GC == LangOptions::GCOnly)
-      GenerateArg(Args, OPT_fobjc_gc_only, SA);
-    else if (Opts.GC == LangOptions::HybridGC)
-      GenerateArg(Args, OPT_fobjc_gc, SA);
-    else if (Opts.ObjCAutoRefCount == 1)
-      GenerateArg(Args, OPT_fobjc_arc, SA);
-
-    if (Opts.ObjCWeakRuntime)
-      GenerateArg(Args, OPT_fobjc_runtime_has_weak, SA);
-
-    if (Opts.ObjCWeak)
-      GenerateArg(Args, OPT_fobjc_weak, SA);
-
-    if (Opts.ObjCSubscriptingLegacyRuntime)
-      GenerateArg(Args, OPT_fobjc_subscripting_legacy_runtime, SA);
-  }
-
-  if (Opts.GNUCVersion != 0) {
-    unsigned Major = Opts.GNUCVersion / 100 / 100;
-    unsigned Minor = (Opts.GNUCVersion / 100) % 100;
-    unsigned Patch = Opts.GNUCVersion % 100;
-    GenerateArg(Args, OPT_fgnuc_version_EQ,
-                Twine(Major) + "." + Twine(Minor) + "." + Twine(Patch), SA);
-  }
-
-  if (Opts.IgnoreXCOFFVisibility)
-    GenerateArg(Args, OPT_mignore_xcoff_visibility, SA);
-
-  if (Opts.SignedOverflowBehavior == LangOptions::SOB_Trapping) {
-    GenerateArg(Args, OPT_ftrapv, SA);
-    GenerateArg(Args, OPT_ftrapv_handler, Opts.OverflowHandler, SA);
-  } else if (Opts.SignedOverflowBehavior == LangOptions::SOB_Defined) {
-    GenerateArg(Args, OPT_fwrapv, SA);
-  }
-
-  if (Opts.MSCompatibilityVersion != 0) {
-    unsigned Major = Opts.MSCompatibilityVersion / 10000000;
-    unsigned Minor = (Opts.MSCompatibilityVersion / 100000) % 100;
-    unsigned Subminor = Opts.MSCompatibilityVersion % 100000;
-    GenerateArg(Args, OPT_fms_compatibility_version,
-                Twine(Major) + "." + Twine(Minor) + "." + Twine(Subminor), SA);
-  }
-
-  if ((!Opts.GNUMode && !Opts.MSVCCompat && !Opts.CPlusPlus17) || T.isOSzOS()) {
-    if (!Opts.Trigraphs)
-      GenerateArg(Args, OPT_fno_trigraphs, SA);
-  } else {
-    if (Opts.Trigraphs)
-      GenerateArg(Args, OPT_ftrigraphs, SA);
-  }
-
-  if (Opts.Blocks && !(Opts.OpenCL && Opts.OpenCLVersion == 200))
-    GenerateArg(Args, OPT_fblocks, SA);
-
-  if (Opts.ConvergentFunctions &&
-      !(Opts.OpenCL || (Opts.CUDA && Opts.CUDAIsDevice) || Opts.SYCLIsDevice))
-    GenerateArg(Args, OPT_fconvergent_functions, SA);
-
-  if (Opts.NoBuiltin && !Opts.Freestanding)
-    GenerateArg(Args, OPT_fno_builtin, SA);
-
-  if (!Opts.NoBuiltin)
-    for (const auto &Func : Opts.NoBuiltinFuncs)
-      GenerateArg(Args, OPT_fno_builtin_, Func, SA);
-
-  if (Opts.LongDoubleSize == 128)
-    GenerateArg(Args, OPT_mlong_double_128, SA);
-  else if (Opts.LongDoubleSize == 64)
-    GenerateArg(Args, OPT_mlong_double_64, SA);
-
-  // Not generating '-mrtd', it's just an alias for '-fdefault-calling-conv='.
-
-  // OpenMP was requested via '-fopenmp', not implied by '-fopenmp-simd' or
-  // '-fopenmp-targets='.
-  if (Opts.OpenMP && !Opts.OpenMPSimd) {
-    GenerateArg(Args, OPT_fopenmp, SA);
-
-    if (Opts.OpenMP != 50)
-      GenerateArg(Args, OPT_fopenmp_version_EQ, Twine(Opts.OpenMP), SA);
-
-    if (!Opts.OpenMPUseTLS)
-      GenerateArg(Args, OPT_fnoopenmp_use_tls, SA);
-
-    if (Opts.OpenMPIsDevice)
-      GenerateArg(Args, OPT_fopenmp_is_device, SA);
-
-    if (Opts.OpenMPIRBuilder)
-      GenerateArg(Args, OPT_fopenmp_enable_irbuilder, SA);
-  }
-
-  if (Opts.OpenMPSimd) {
-    GenerateArg(Args, OPT_fopenmp_simd, SA);
-
-    if (Opts.OpenMP != 50)
-      GenerateArg(Args, OPT_fopenmp_version_EQ, Twine(Opts.OpenMP), SA);
-  }
-
-  if (Opts.OpenMPTargetNewRuntime)
-    GenerateArg(Args, OPT_fopenmp_target_new_runtime, SA);
-
-  if (Opts.OpenMPThreadSubscription)
-    GenerateArg(Args, OPT_fopenmp_assume_threads_oversubscription, SA);
-
-  if (Opts.OpenMPTeamSubscription)
-    GenerateArg(Args, OPT_fopenmp_assume_teams_oversubscription, SA);
-
-  if (Opts.OpenMPTargetDebug != 0)
-    GenerateArg(Args, OPT_fopenmp_target_debug_EQ,
-                Twine(Opts.OpenMPTargetDebug), SA);
-
-  if (Opts.OpenMPCUDANumSMs != 0)
-    GenerateArg(Args, OPT_fopenmp_cuda_number_of_sm_EQ,
-                Twine(Opts.OpenMPCUDANumSMs), SA);
-
-  if (Opts.OpenMPCUDABlocksPerSM != 0)
-    GenerateArg(Args, OPT_fopenmp_cuda_blocks_per_sm_EQ,
-                Twine(Opts.OpenMPCUDABlocksPerSM), SA);
-
-  if (Opts.OpenMPCUDAReductionBufNum != 1024)
-    GenerateArg(Args, OPT_fopenmp_cuda_teams_reduction_recs_num_EQ,
-                Twine(Opts.OpenMPCUDAReductionBufNum), SA);
-
-  if (!Opts.OMPTargetTriples.empty()) {
-    std::string Targets;
-    llvm::raw_string_ostream OS(Targets);
-    llvm::interleave(
-        Opts.OMPTargetTriples, OS,
-        [&OS](const llvm::Triple &T) { OS << T.str(); }, ",");
-    GenerateArg(Args, OPT_fopenmp_targets_EQ, OS.str(), SA);
-  }
-
-  if (!Opts.OMPHostIRFile.empty())
-    GenerateArg(Args, OPT_fopenmp_host_ir_file_path, Opts.OMPHostIRFile, SA);
-
-  if (Opts.OpenMPCUDAMode)
-    GenerateArg(Args, OPT_fopenmp_cuda_mode, SA);
-
-  if (Opts.OpenMPCUDAForceFullRuntime)
-    GenerateArg(Args, OPT_fopenmp_cuda_force_full_runtime, SA);
-
-  // The arguments used to set Optimize, OptimizeSize and NoInlineDefine are
-  // generated from CodeGenOptions.
-
-  if (Opts.DefaultFPContractMode == LangOptions::FPM_Fast)
-    GenerateArg(Args, OPT_ffp_contract, "fast", SA);
-  else if (Opts.DefaultFPContractMode == LangOptions::FPM_On)
-    GenerateArg(Args, OPT_ffp_contract, "on", SA);
-  else if (Opts.DefaultFPContractMode == LangOptions::FPM_Off)
-    GenerateArg(Args, OPT_ffp_contract, "off", SA);
-  else if (Opts.DefaultFPContractMode == LangOptions::FPM_FastHonorPragmas)
-    GenerateArg(Args, OPT_ffp_contract, "fast-honor-pragmas", SA);
-
-  for (StringRef Sanitizer : serializeSanitizerKinds(Opts.Sanitize))
-    GenerateArg(Args, OPT_fsanitize_EQ, Sanitizer, SA);
-
-  // Conflating '-fsanitize-system-ignorelist' and '-fsanitize-ignorelist'.
-  for (const std::string &F : Opts.NoSanitizeFiles)
-    GenerateArg(Args, OPT_fsanitize_ignorelist_EQ, F, SA);
-
-  if (Opts.getClangABICompat() == LangOptions::ClangABI::Ver3_8)
-    GenerateArg(Args, OPT_fclang_abi_compat_EQ, "3.8", SA);
-  else if (Opts.getClangABICompat() == LangOptions::ClangABI::Ver4)
-    GenerateArg(Args, OPT_fclang_abi_compat_EQ, "4.0", SA);
-  else if (Opts.getClangABICompat() == LangOptions::ClangABI::Ver6)
-    GenerateArg(Args, OPT_fclang_abi_compat_EQ, "6.0", SA);
-  else if (Opts.getClangABICompat() == LangOptions::ClangABI::Ver7)
-    GenerateArg(Args, OPT_fclang_abi_compat_EQ, "7.0", SA);
-  else if (Opts.getClangABICompat() == LangOptions::ClangABI::Ver9)
-    GenerateArg(Args, OPT_fclang_abi_compat_EQ, "9.0", SA);
-  else if (Opts.getClangABICompat() == LangOptions::ClangABI::Ver11)
-    GenerateArg(Args, OPT_fclang_abi_compat_EQ, "11.0", SA);
-  else if (Opts.getClangABICompat() == LangOptions::ClangABI::Ver12)
-    GenerateArg(Args, OPT_fclang_abi_compat_EQ, "12.0", SA);
-
-  if (Opts.getSignReturnAddressScope() ==
-      LangOptions::SignReturnAddressScopeKind::All)
-    GenerateArg(Args, OPT_msign_return_address_EQ, "all", SA);
-  else if (Opts.getSignReturnAddressScope() ==
-           LangOptions::SignReturnAddressScopeKind::NonLeaf)
-    GenerateArg(Args, OPT_msign_return_address_EQ, "non-leaf", SA);
-
-  if (Opts.getSignReturnAddressKey() ==
-      LangOptions::SignReturnAddressKeyKind::BKey)
-    GenerateArg(Args, OPT_msign_return_address_key_EQ, "b_key", SA);
-
-  if (Opts.CXXABI)
-    GenerateArg(Args, OPT_fcxx_abi_EQ, TargetCXXABI::getSpelling(*Opts.CXXABI),
-                SA);
-
-  if (Opts.RelativeCXXABIVTables)
-    GenerateArg(Args, OPT_fexperimental_relative_cxx_abi_vtables, SA);
-  else
-    GenerateArg(Args, OPT_fno_experimental_relative_cxx_abi_vtables, SA);
-
-  for (const auto &MP : Opts.MacroPrefixMap)
-    GenerateArg(Args, OPT_fmacro_prefix_map_EQ, MP.first + "=" + MP.second, SA);
-}
-
-bool CompilerInvocation::ParseLangArgs(LangOptions &Opts, ArgList &Args,
-                                       InputKind IK, const llvm::Triple &T,
-                                       std::vector<std::string> &Includes,
-                                       DiagnosticsEngine &Diags) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  if (IK.getFormat() == InputKind::Precompiled ||
-      IK.getLanguage() == Language::LLVM_IR) {
-    // ObjCAAutoRefCount and Sanitize LangOpts are used to setup the
-    // PassManager in BackendUtil.cpp. They need to be initialized no matter
-    // what the input type is.
-    if (Args.hasArg(OPT_fobjc_arc))
-      Opts.ObjCAutoRefCount = 1;
-    // PICLevel and PIELevel are needed during code generation and this should
-    // be set regardless of the input type.
-    Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags);
-    Opts.PIE = Args.hasArg(OPT_pic_is_pie);
-    parseSanitizerKinds("-fsanitize=", Args.getAllArgValues(OPT_fsanitize_EQ),
-                        Diags, Opts.Sanitize);
-
-    return Diags.getNumErrors() == NumErrorsBefore;
-  }
-
-  // Other LangOpts are only initialized when the input is not AST or LLVM IR.
-  // FIXME: Should we really be parsing this for an Language::Asm input?
-
-  // FIXME: Cleanup per-file based stuff.
-  LangStandard::Kind LangStd = LangStandard::lang_unspecified;
-  if (const Arg *A = Args.getLastArg(OPT_std_EQ)) {
-    LangStd = LangStandard::getLangKind(A->getValue());
-    if (LangStd == LangStandard::lang_unspecified) {
-      Diags.Report(diag::err_drv_invalid_value)
-        << A->getAsString(Args) << A->getValue();
-      // Report supported standards with short description.
-      for (unsigned KindValue = 0;
-           KindValue != LangStandard::lang_unspecified;
-           ++KindValue) {
-        const LangStandard &Std = LangStandard::getLangStandardForKind(
-          static_cast<LangStandard::Kind>(KindValue));
-        if (IsInputCompatibleWithStandard(IK, Std)) {
-          auto Diag = Diags.Report(diag::note_drv_use_standard);
-          Diag << Std.getName() << Std.getDescription();
-          unsigned NumAliases = 0;
-#define LANGSTANDARD(id, name, lang, desc, features)
-#define LANGSTANDARD_ALIAS(id, alias) \
-          if (KindValue == LangStandard::lang_##id) ++NumAliases;
-#define LANGSTANDARD_ALIAS_DEPR(id, alias)
-#include "clang/Basic/LangStandards.def"
-          Diag << NumAliases;
-#define LANGSTANDARD(id, name, lang, desc, features)
-#define LANGSTANDARD_ALIAS(id, alias) \
-          if (KindValue == LangStandard::lang_##id) Diag << alias;
-#define LANGSTANDARD_ALIAS_DEPR(id, alias)
-#include "clang/Basic/LangStandards.def"
-        }
-      }
-    } else {
-      // Valid standard, check to make sure language and standard are
-      // compatible.
-      const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
-      if (!IsInputCompatibleWithStandard(IK, Std)) {
-        Diags.Report(diag::err_drv_argument_not_allowed_with)
-          << A->getAsString(Args) << GetInputKindName(IK);
-      }
-    }
-  }
-
-  // -cl-std only applies for OpenCL language standards.
-  // Override the -std option in this case.
-  if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) {
-    LangStandard::Kind OpenCLLangStd
-      = llvm::StringSwitch<LangStandard::Kind>(A->getValue())
-        .Cases("cl", "CL", LangStandard::lang_opencl10)
-        .Cases("cl1.0", "CL1.0", LangStandard::lang_opencl10)
-        .Cases("cl1.1", "CL1.1", LangStandard::lang_opencl11)
-        .Cases("cl1.2", "CL1.2", LangStandard::lang_opencl12)
-        .Cases("cl2.0", "CL2.0", LangStandard::lang_opencl20)
-        .Cases("cl3.0", "CL3.0", LangStandard::lang_opencl30)
-        .Cases("clc++", "CLC++", LangStandard::lang_openclcpp10)
-        .Cases("clc++1.0", "CLC++1.0", LangStandard::lang_openclcpp10)
-        .Cases("clc++2021", "CLC++2021", LangStandard::lang_openclcpp2021)
-        .Default(LangStandard::lang_unspecified);
-
-    if (OpenCLLangStd == LangStandard::lang_unspecified) {
-      Diags.Report(diag::err_drv_invalid_value)
-        << A->getAsString(Args) << A->getValue();
-    }
-    else
-      LangStd = OpenCLLangStd;
-  }
-
-  // These need to be parsed now. They are used to set OpenCL defaults.
-  Opts.IncludeDefaultHeader = Args.hasArg(OPT_finclude_default_header);
-  Opts.DeclareOpenCLBuiltins = Args.hasArg(OPT_fdeclare_opencl_builtins);
-
-  CompilerInvocation::setLangDefaults(Opts, IK, T, Includes, LangStd);
-
-  // The key paths of codegen options defined in Options.td start with
-  // "LangOpts->". Let's provide the expected variable name and type.
-  LangOptions *LangOpts = &Opts;
-
-#define LANG_OPTION_WITH_MARSHALLING(                                          \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef LANG_OPTION_WITH_MARSHALLING
-
-  if (const Arg *A = Args.getLastArg(OPT_fcf_protection_EQ)) {
-    StringRef Name = A->getValue();
-    if (Name == "full" || Name == "branch") {
-      Opts.CFProtectionBranch = 1;
-    }
-  }
-
-  if ((Args.hasArg(OPT_fsycl_is_device) || Args.hasArg(OPT_fsycl_is_host)) &&
-      !Args.hasArg(OPT_sycl_std_EQ)) {
-    // If the user supplied -fsycl-is-device or -fsycl-is-host, but failed to
-    // provide -sycl-std=, we want to default it to whatever the default SYCL
-    // version is. I could not find a way to express this with the options
-    // tablegen because we still want this value to be SYCL_None when the user
-    // is not in device or host mode.
-    Opts.setSYCLVersion(LangOptions::SYCL_Default);
-  }
-
-  if (Opts.ObjC) {
-    if (Arg *arg = Args.getLastArg(OPT_fobjc_runtime_EQ)) {
-      StringRef value = arg->getValue();
-      if (Opts.ObjCRuntime.tryParse(value))
-        Diags.Report(diag::err_drv_unknown_objc_runtime) << value;
-    }
-
-    if (Args.hasArg(OPT_fobjc_gc_only))
-      Opts.setGC(LangOptions::GCOnly);
-    else if (Args.hasArg(OPT_fobjc_gc))
-      Opts.setGC(LangOptions::HybridGC);
-    else if (Args.hasArg(OPT_fobjc_arc)) {
-      Opts.ObjCAutoRefCount = 1;
-      if (!Opts.ObjCRuntime.allowsARC())
-        Diags.Report(diag::err_arc_unsupported_on_runtime);
-    }
-
-    // ObjCWeakRuntime tracks whether the runtime supports __weak, not
-    // whether the feature is actually enabled.  This is predominantly
-    // determined by -fobjc-runtime, but we allow it to be overridden
-    // from the command line for testing purposes.
-    if (Args.hasArg(OPT_fobjc_runtime_has_weak))
-      Opts.ObjCWeakRuntime = 1;
-    else
-      Opts.ObjCWeakRuntime = Opts.ObjCRuntime.allowsWeak();
-
-    // ObjCWeak determines whether __weak is actually enabled.
-    // Note that we allow -fno-objc-weak to disable this even in ARC mode.
-    if (auto weakArg = Args.getLastArg(OPT_fobjc_weak, OPT_fno_objc_weak)) {
-      if (!weakArg->getOption().matches(OPT_fobjc_weak)) {
-        assert(!Opts.ObjCWeak);
-      } else if (Opts.getGC() != LangOptions::NonGC) {
-        Diags.Report(diag::err_objc_weak_with_gc);
-      } else if (!Opts.ObjCWeakRuntime) {
-        Diags.Report(diag::err_objc_weak_unsupported);
-      } else {
-        Opts.ObjCWeak = 1;
-      }
-    } else if (Opts.ObjCAutoRefCount) {
-      Opts.ObjCWeak = Opts.ObjCWeakRuntime;
-    }
-
-    if (Args.hasArg(OPT_fobjc_subscripting_legacy_runtime))
-      Opts.ObjCSubscriptingLegacyRuntime =
-        (Opts.ObjCRuntime.getKind() == ObjCRuntime::FragileMacOSX);
-  }
-
-  if (Arg *A = Args.getLastArg(options::OPT_fgnuc_version_EQ)) {
-    // Check that the version has 1 to 3 components and the minor and patch
-    // versions fit in two decimal digits.
-    VersionTuple GNUCVer;
-    bool Invalid = GNUCVer.tryParse(A->getValue());
-    unsigned Major = GNUCVer.getMajor();
-    unsigned Minor = GNUCVer.getMinor().getValueOr(0);
-    unsigned Patch = GNUCVer.getSubminor().getValueOr(0);
-    if (Invalid || GNUCVer.getBuild() || Minor >= 100 || Patch >= 100) {
-      Diags.Report(diag::err_drv_invalid_value)
-          << A->getAsString(Args) << A->getValue();
-    }
-    Opts.GNUCVersion = Major * 100 * 100 + Minor * 100 + Patch;
-  }
-
-  // In AIX OS, the -mignore-xcoff-visibility is enable by default if there is
-  // no -fvisibility=* option.
-  // This is the reason why '-fvisibility' needs to be always generated:
-  // its absence implies '-mignore-xcoff-visibility'.
-  //
-  // Suppose the original cc1 command line does contain '-fvisibility default':
-  // '-mignore-xcoff-visibility' should not be implied.
-  // * If '-fvisibility' is not generated (as most options with default values
-  //   don't), its absence would imply '-mignore-xcoff-visibility'. This changes
-  //   the command line semantics.
-  // * If '-fvisibility' is generated regardless of its presence and value,
-  //   '-mignore-xcoff-visibility' won't be implied and the command line
-  //   semantics are kept intact.
-  //
-  // When the original cc1 command line does **not** contain '-fvisibility',
-  // '-mignore-xcoff-visibility' is implied. The generated command line will
-  // contain both '-fvisibility default' and '-mignore-xcoff-visibility' and
-  // subsequent calls to `CreateFromArgs`/`generateCC1CommandLine` will always
-  // produce the same arguments.
-
-  if (T.isOSAIX() && (Args.hasArg(OPT_mignore_xcoff_visibility) ||
-                      !Args.hasArg(OPT_fvisibility)))
-    Opts.IgnoreXCOFFVisibility = 1;
-
-  if (Args.hasArg(OPT_ftrapv)) {
-    Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping);
-    // Set the handler, if one is specified.
-    Opts.OverflowHandler =
-        std::string(Args.getLastArgValue(OPT_ftrapv_handler));
-  }
-  else if (Args.hasArg(OPT_fwrapv))
-    Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined);
-
-  Opts.CaseInsensitive = Args.hasArg(OPT_fcase_insensitive_paths);
-
-  Opts.MSCompatibilityVersion = 0;
-  if (const Arg *A = Args.getLastArg(OPT_fms_compatibility_version)) {
-    VersionTuple VT;
-    if (VT.tryParse(A->getValue()))
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args)
-                                                << A->getValue();
-    Opts.MSCompatibilityVersion = VT.getMajor() * 10000000 +
-                                  VT.getMinor().getValueOr(0) * 100000 +
-                                  VT.getSubminor().getValueOr(0);
-  }
-
-  // Mimicking gcc's behavior, trigraphs are only enabled if -trigraphs
-  // is specified, or -std is set to a conforming mode.
-  // Trigraphs are disabled by default in c++1z onwards.
-  // For z/OS, trigraphs are enabled by default (without regard to the above).
-  Opts.Trigraphs =
-      (!Opts.GNUMode && !Opts.MSVCCompat && !Opts.CPlusPlus17) || T.isOSzOS();
-  Opts.Trigraphs =
-      Args.hasFlag(OPT_ftrigraphs, OPT_fno_trigraphs, Opts.Trigraphs);
-
-  Opts.Blocks = Args.hasArg(OPT_fblocks) || (Opts.OpenCL
-    && Opts.OpenCLVersion == 200);
-
-  Opts.ConvergentFunctions = Opts.OpenCL || (Opts.CUDA && Opts.CUDAIsDevice) ||
-                             Opts.SYCLIsDevice ||
-                             Args.hasArg(OPT_fconvergent_functions);
-
-  Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
-  if (!Opts.NoBuiltin)
-    getAllNoBuiltinFuncValues(Args, Opts.NoBuiltinFuncs);
-  Opts.LongDoubleSize = Args.hasArg(OPT_mlong_double_128)
-                            ? 128
-                            : Args.hasArg(OPT_mlong_double_64) ? 64 : 0;
-  if (Opts.FastRelaxedMath)
-    Opts.setDefaultFPContractMode(LangOptions::FPM_Fast);
-  llvm::sort(Opts.ModuleFeatures);
-
-  // -mrtd option
-  if (Arg *A = Args.getLastArg(OPT_mrtd)) {
-    if (Opts.getDefaultCallingConv() != LangOptions::DCC_None)
-      Diags.Report(diag::err_drv_argument_not_allowed_with)
-          << A->getSpelling() << "-fdefault-calling-conv";
-    else {
-      if (T.getArch() != llvm::Triple::x86)
-        Diags.Report(diag::err_drv_argument_not_allowed_with)
-            << A->getSpelling() << T.getTriple();
-      else
-        Opts.setDefaultCallingConv(LangOptions::DCC_StdCall);
-    }
-  }
-
-  // Check if -fopenmp is specified and set default version to 5.0.
-  Opts.OpenMP = Args.hasArg(OPT_fopenmp) ? 50 : 0;
-  // Check if -fopenmp-simd is specified.
-  bool IsSimdSpecified =
-      Args.hasFlag(options::OPT_fopenmp_simd, options::OPT_fno_openmp_simd,
-                   /*Default=*/false);
-  Opts.OpenMPSimd = !Opts.OpenMP && IsSimdSpecified;
-  Opts.OpenMPUseTLS =
-      Opts.OpenMP && !Args.hasArg(options::OPT_fnoopenmp_use_tls);
-  Opts.OpenMPIsDevice =
-      Opts.OpenMP && Args.hasArg(options::OPT_fopenmp_is_device);
-  Opts.OpenMPIRBuilder =
-      Opts.OpenMP && Args.hasArg(options::OPT_fopenmp_enable_irbuilder);
-  bool IsTargetSpecified =
-      Opts.OpenMPIsDevice || Args.hasArg(options::OPT_fopenmp_targets_EQ);
-  Opts.OpenMPTargetNewRuntime =
-      Opts.OpenMPIsDevice &&
-      Args.hasArg(options::OPT_fopenmp_target_new_runtime);
-
-  Opts.ConvergentFunctions = Opts.ConvergentFunctions || Opts.OpenMPIsDevice;
-
-  if (Opts.OpenMP || Opts.OpenMPSimd) {
-    if (int Version = getLastArgIntValue(
-            Args, OPT_fopenmp_version_EQ,
-            (IsSimdSpecified || IsTargetSpecified) ? 50 : Opts.OpenMP, Diags))
-      Opts.OpenMP = Version;
-    // Provide diagnostic when a given target is not expected to be an OpenMP
-    // device or host.
-    if (!Opts.OpenMPIsDevice) {
-      switch (T.getArch()) {
-      default:
-        break;
-      // Add unsupported host targets here:
-      case llvm::Triple::nvptx:
-      case llvm::Triple::nvptx64:
-        Diags.Report(diag::err_drv_omp_host_target_not_supported) << T.str();
-        break;
-      }
-    }
-  }
-
-  // Set the flag to prevent the implementation from emitting device exception
-  // handling code for those requiring so.
-  if ((Opts.OpenMPIsDevice && (T.isNVPTX() || T.isAMDGCN())) ||
-      Opts.OpenCLCPlusPlus) {
-
-    Opts.Exceptions = 0;
-    Opts.CXXExceptions = 0;
-  }
-  if (Opts.OpenMPIsDevice && T.isNVPTX()) {
-    Opts.OpenMPCUDANumSMs =
-        getLastArgIntValue(Args, options::OPT_fopenmp_cuda_number_of_sm_EQ,
-                           Opts.OpenMPCUDANumSMs, Diags);
-    Opts.OpenMPCUDABlocksPerSM =
-        getLastArgIntValue(Args, options::OPT_fopenmp_cuda_blocks_per_sm_EQ,
-                           Opts.OpenMPCUDABlocksPerSM, Diags);
-    Opts.OpenMPCUDAReductionBufNum = getLastArgIntValue(
-        Args, options::OPT_fopenmp_cuda_teams_reduction_recs_num_EQ,
-        Opts.OpenMPCUDAReductionBufNum, Diags);
-  }
-
-  // Set the value of the debugging flag used in the new offloading device RTL.
-  // Set either by a specific value or to a default if not specified.
-  if (Opts.OpenMPIsDevice && (Args.hasArg(OPT_fopenmp_target_debug) ||
-                              Args.hasArg(OPT_fopenmp_target_debug_EQ))) {
-    if (Opts.OpenMPTargetNewRuntime) {
-      Opts.OpenMPTargetDebug = getLastArgIntValue(
-          Args, OPT_fopenmp_target_debug_EQ, Opts.OpenMPTargetDebug, Diags);
-      if (!Opts.OpenMPTargetDebug && Args.hasArg(OPT_fopenmp_target_debug))
-        Opts.OpenMPTargetDebug = 1;
-    } else {
-      Diags.Report(diag::err_drv_debug_no_new_runtime);
-    }
-  }
-
-  if (Opts.OpenMPIsDevice && Opts.OpenMPTargetNewRuntime) {
-    if (Args.hasArg(OPT_fopenmp_assume_teams_oversubscription))
-      Opts.OpenMPTeamSubscription = true;
-    if (Args.hasArg(OPT_fopenmp_assume_threads_oversubscription))
-      Opts.OpenMPThreadSubscription = true;
-  }
-
-  // Get the OpenMP target triples if any.
-  if (Arg *A = Args.getLastArg(options::OPT_fopenmp_targets_EQ)) {
-    enum ArchPtrSize { Arch16Bit, Arch32Bit, Arch64Bit };
-    auto getArchPtrSize = [](const llvm::Triple &T) {
-      if (T.isArch16Bit())
-        return Arch16Bit;
-      if (T.isArch32Bit())
-        return Arch32Bit;
-      assert(T.isArch64Bit() && "Expected 64-bit architecture");
-      return Arch64Bit;
-    };
-
-    for (unsigned i = 0; i < A->getNumValues(); ++i) {
-      llvm::Triple TT(A->getValue(i));
-
-      if (TT.getArch() == llvm::Triple::UnknownArch ||
-          !(TT.getArch() == llvm::Triple::aarch64 || TT.isPPC() ||
-            TT.getArch() == llvm::Triple::nvptx ||
-            TT.getArch() == llvm::Triple::nvptx64 ||
-            TT.getArch() == llvm::Triple::amdgcn ||
-            TT.getArch() == llvm::Triple::x86 ||
-            TT.getArch() == llvm::Triple::x86_64))
-        Diags.Report(diag::err_drv_invalid_omp_target) << A->getValue(i);
-      else if (getArchPtrSize(T) != getArchPtrSize(TT))
-        Diags.Report(diag::err_drv_incompatible_omp_arch)
-            << A->getValue(i) << T.str();
-      else
-        Opts.OMPTargetTriples.push_back(TT);
-    }
-  }
-
-  // Get OpenMP host file path if any and report if a non existent file is
-  // found
-  if (Arg *A = Args.getLastArg(options::OPT_fopenmp_host_ir_file_path)) {
-    Opts.OMPHostIRFile = A->getValue();
-    if (!llvm::sys::fs::exists(Opts.OMPHostIRFile))
-      Diags.Report(diag::err_drv_omp_host_ir_file_not_found)
-          << Opts.OMPHostIRFile;
-  }
-
-  // Set CUDA mode for OpenMP target NVPTX/AMDGCN if specified in options
-  Opts.OpenMPCUDAMode = Opts.OpenMPIsDevice && (T.isNVPTX() || T.isAMDGCN()) &&
-                        Args.hasArg(options::OPT_fopenmp_cuda_mode);
-
-  // Set CUDA mode for OpenMP target NVPTX/AMDGCN if specified in options
-  Opts.OpenMPCUDAForceFullRuntime =
-      Opts.OpenMPIsDevice && (T.isNVPTX() || T.isAMDGCN()) &&
-      Args.hasArg(options::OPT_fopenmp_cuda_force_full_runtime);
-
-  // FIXME: Eliminate this dependency.
-  unsigned Opt = getOptimizationLevel(Args, IK, Diags),
-       OptSize = getOptimizationLevelSize(Args);
-  Opts.Optimize = Opt != 0;
-  Opts.OptimizeSize = OptSize != 0;
-
-  // This is the __NO_INLINE__ define, which just depends on things like the
-  // optimization level and -fno-inline, not actually whether the backend has
-  // inlining enabled.
-  Opts.NoInlineDefine = !Opts.Optimize;
-  if (Arg *InlineArg = Args.getLastArg(
-          options::OPT_finline_functions, options::OPT_finline_hint_functions,
-          options::OPT_fno_inline_functions, options::OPT_fno_inline))
-    if (InlineArg->getOption().matches(options::OPT_fno_inline))
-      Opts.NoInlineDefine = true;
-
-  if (Arg *A = Args.getLastArg(OPT_ffp_contract)) {
-    StringRef Val = A->getValue();
-    if (Val == "fast")
-      Opts.setDefaultFPContractMode(LangOptions::FPM_Fast);
-    else if (Val == "on")
-      Opts.setDefaultFPContractMode(LangOptions::FPM_On);
-    else if (Val == "off")
-      Opts.setDefaultFPContractMode(LangOptions::FPM_Off);
-    else if (Val == "fast-honor-pragmas")
-      Opts.setDefaultFPContractMode(LangOptions::FPM_FastHonorPragmas);
-    else
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val;
-  }
-
-  // Parse -fsanitize= arguments.
-  parseSanitizerKinds("-fsanitize=", Args.getAllArgValues(OPT_fsanitize_EQ),
-                      Diags, Opts.Sanitize);
-  Opts.NoSanitizeFiles = Args.getAllArgValues(OPT_fsanitize_ignorelist_EQ);
-  std::vector<std::string> systemIgnorelists =
-      Args.getAllArgValues(OPT_fsanitize_system_ignorelist_EQ);
-  Opts.NoSanitizeFiles.insert(Opts.NoSanitizeFiles.end(),
-                              systemIgnorelists.begin(),
-                              systemIgnorelists.end());
-
-  if (Arg *A = Args.getLastArg(OPT_fclang_abi_compat_EQ)) {
-    Opts.setClangABICompat(LangOptions::ClangABI::Latest);
-
-    StringRef Ver = A->getValue();
-    std::pair<StringRef, StringRef> VerParts = Ver.split('.');
-    unsigned Major, Minor = 0;
-
-    // Check the version number is valid: either 3.x (0 <= x <= 9) or
-    // y or y.0 (4 <= y <= current version).
-    if (!VerParts.first.startswith("0") &&
-        !VerParts.first.getAsInteger(10, Major) &&
-        3 <= Major && Major <= CLANG_VERSION_MAJOR &&
-        (Major == 3 ? VerParts.second.size() == 1 &&
-                      !VerParts.second.getAsInteger(10, Minor)
-                    : VerParts.first.size() == Ver.size() ||
-                      VerParts.second == "0")) {
-      // Got a valid version number.
-      if (Major == 3 && Minor <= 8)
-        Opts.setClangABICompat(LangOptions::ClangABI::Ver3_8);
-      else if (Major <= 4)
-        Opts.setClangABICompat(LangOptions::ClangABI::Ver4);
-      else if (Major <= 6)
-        Opts.setClangABICompat(LangOptions::ClangABI::Ver6);
-      else if (Major <= 7)
-        Opts.setClangABICompat(LangOptions::ClangABI::Ver7);
-      else if (Major <= 9)
-        Opts.setClangABICompat(LangOptions::ClangABI::Ver9);
-      else if (Major <= 11)
-        Opts.setClangABICompat(LangOptions::ClangABI::Ver11);
-      else if (Major <= 12)
-        Opts.setClangABICompat(LangOptions::ClangABI::Ver12);
-    } else if (Ver != "latest") {
-      Diags.Report(diag::err_drv_invalid_value)
-          << A->getAsString(Args) << A->getValue();
-    }
-  }
-
-  if (Arg *A = Args.getLastArg(OPT_msign_return_address_EQ)) {
-    StringRef SignScope = A->getValue();
-
-    if (SignScope.equals_insensitive("none"))
-      Opts.setSignReturnAddressScope(
-          LangOptions::SignReturnAddressScopeKind::None);
-    else if (SignScope.equals_insensitive("all"))
-      Opts.setSignReturnAddressScope(
-          LangOptions::SignReturnAddressScopeKind::All);
-    else if (SignScope.equals_insensitive("non-leaf"))
-      Opts.setSignReturnAddressScope(
-          LangOptions::SignReturnAddressScopeKind::NonLeaf);
-    else
-      Diags.Report(diag::err_drv_invalid_value)
-          << A->getAsString(Args) << SignScope;
-
-    if (Arg *A = Args.getLastArg(OPT_msign_return_address_key_EQ)) {
-      StringRef SignKey = A->getValue();
-      if (!SignScope.empty() && !SignKey.empty()) {
-        if (SignKey.equals_insensitive("a_key"))
-          Opts.setSignReturnAddressKey(
-              LangOptions::SignReturnAddressKeyKind::AKey);
-        else if (SignKey.equals_insensitive("b_key"))
-          Opts.setSignReturnAddressKey(
-              LangOptions::SignReturnAddressKeyKind::BKey);
-        else
-          Diags.Report(diag::err_drv_invalid_value)
-              << A->getAsString(Args) << SignKey;
-      }
-    }
-  }
-
-  // The value can be empty, which indicates the system default should be used.
-  StringRef CXXABI = Args.getLastArgValue(OPT_fcxx_abi_EQ);
-  if (!CXXABI.empty()) {
-    if (!TargetCXXABI::isABI(CXXABI)) {
-      Diags.Report(diag::err_invalid_cxx_abi) << CXXABI;
-    } else {
-      auto Kind = TargetCXXABI::getKind(CXXABI);
-      if (!TargetCXXABI::isSupportedCXXABI(T, Kind))
-        Diags.Report(diag::err_unsupported_cxx_abi) << CXXABI << T.str();
-      else
-        Opts.CXXABI = Kind;
-    }
-  }
-
-  Opts.RelativeCXXABIVTables =
-      Args.hasFlag(options::OPT_fexperimental_relative_cxx_abi_vtables,
-                   options::OPT_fno_experimental_relative_cxx_abi_vtables,
-                   TargetCXXABI::usesRelativeVTables(T));
-
-  for (const auto &A : Args.getAllArgValues(OPT_fmacro_prefix_map_EQ)) {
-    auto Split = StringRef(A).split('=');
-    Opts.MacroPrefixMap.insert(
-        {std::string(Split.first), std::string(Split.second)});
-  }
-
-  // Error if -mvscale-min is unbounded.
-  if (Arg *A = Args.getLastArg(options::OPT_mvscale_min_EQ)) {
-    unsigned VScaleMin;
-    if (StringRef(A->getValue()).getAsInteger(10, VScaleMin) || VScaleMin == 0)
-      Diags.Report(diag::err_cc1_unbounded_vscale_min);
-  }
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-static bool isStrictlyPreprocessorAction(frontend::ActionKind Action) {
-  switch (Action) {
-  case frontend::ASTDeclList:
-  case frontend::ASTDump:
-  case frontend::ASTPrint:
-  case frontend::ASTView:
-  case frontend::EmitAssembly:
-  case frontend::EmitBC:
-  case frontend::EmitHTML:
-  case frontend::EmitLLVM:
-  case frontend::EmitLLVMOnly:
-  case frontend::EmitCodeGenOnly:
-  case frontend::EmitObj:
-  case frontend::ExtractAPI:
-  case frontend::FixIt:
-  case frontend::GenerateModule:
-  case frontend::GenerateModuleInterface:
-  case frontend::GenerateHeaderModule:
-  case frontend::GeneratePCH:
-  case frontend::GenerateInterfaceStubs:
-  case frontend::ParseSyntaxOnly:
-  case frontend::ModuleFileInfo:
-  case frontend::VerifyPCH:
-  case frontend::PluginAction:
-  case frontend::RewriteObjC:
-  case frontend::RewriteTest:
-  case frontend::RunAnalysis:
-  case frontend::TemplightDump:
-  case frontend::MigrateSource:
-    return false;
-
-  case frontend::DumpCompilerOptions:
-  case frontend::DumpRawTokens:
-  case frontend::DumpTokens:
-  case frontend::InitOnly:
-  case frontend::PrintPreamble:
-  case frontend::PrintPreprocessedInput:
-  case frontend::RewriteMacros:
-  case frontend::RunPreprocessorOnly:
-  case frontend::PrintDependencyDirectivesSourceMinimizerOutput:
-    return true;
-  }
-  llvm_unreachable("invalid frontend action");
-}
-
-static void GeneratePreprocessorArgs(PreprocessorOptions &Opts,
-                                     SmallVectorImpl<const char *> &Args,
-                                     CompilerInvocation::StringAllocator SA,
-                                     const LangOptions &LangOpts,
-                                     const FrontendOptions &FrontendOpts,
-                                     const CodeGenOptions &CodeGenOpts) {
-  PreprocessorOptions *PreprocessorOpts = &Opts;
-
-#define PREPROCESSOR_OPTION_WITH_MARSHALLING(                                  \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef PREPROCESSOR_OPTION_WITH_MARSHALLING
-
-  if (Opts.PCHWithHdrStop && !Opts.PCHWithHdrStopCreate)
-    GenerateArg(Args, OPT_pch_through_hdrstop_use, SA);
-
-  for (const auto &D : Opts.DeserializedPCHDeclsToErrorOn)
-    GenerateArg(Args, OPT_error_on_deserialized_pch_decl, D, SA);
-
-  if (Opts.PrecompiledPreambleBytes != std::make_pair(0u, false))
-    GenerateArg(Args, OPT_preamble_bytes_EQ,
-                Twine(Opts.PrecompiledPreambleBytes.first) + "," +
-                    (Opts.PrecompiledPreambleBytes.second ? "1" : "0"),
-                SA);
-
-  for (const auto &M : Opts.Macros) {
-    // Don't generate __CET__ macro definitions. They are implied by the
-    // -fcf-protection option that is generated elsewhere.
-    if (M.first == "__CET__=1" && !M.second &&
-        !CodeGenOpts.CFProtectionReturn && CodeGenOpts.CFProtectionBranch)
-      continue;
-    if (M.first == "__CET__=2" && !M.second && CodeGenOpts.CFProtectionReturn &&
-        !CodeGenOpts.CFProtectionBranch)
-      continue;
-    if (M.first == "__CET__=3" && !M.second && CodeGenOpts.CFProtectionReturn &&
-        CodeGenOpts.CFProtectionBranch)
-      continue;
-
-    GenerateArg(Args, M.second ? OPT_U : OPT_D, M.first, SA);
-  }
-
-  for (const auto &I : Opts.Includes) {
-    // Don't generate OpenCL includes. They are implied by other flags that are
-    // generated elsewhere.
-    if (LangOpts.OpenCL && LangOpts.IncludeDefaultHeader &&
-        ((LangOpts.DeclareOpenCLBuiltins && I == "opencl-c-base.h") ||
-         I == "opencl-c.h"))
-      continue;
-
-    GenerateArg(Args, OPT_include, I, SA);
-  }
-
-  for (const auto &CI : Opts.ChainedIncludes)
-    GenerateArg(Args, OPT_chain_include, CI, SA);
-
-  for (const auto &RF : Opts.RemappedFiles)
-    GenerateArg(Args, OPT_remap_file, RF.first + ";" + RF.second, SA);
-
-  // Don't handle LexEditorPlaceholders. It is implied by the action that is
-  // generated elsewhere.
-}
-
-static bool ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
-                                  DiagnosticsEngine &Diags,
-                                  frontend::ActionKind Action,
-                                  const FrontendOptions &FrontendOpts) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  PreprocessorOptions *PreprocessorOpts = &Opts;
-
-#define PREPROCESSOR_OPTION_WITH_MARSHALLING(                                  \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef PREPROCESSOR_OPTION_WITH_MARSHALLING
-
-  Opts.PCHWithHdrStop = Args.hasArg(OPT_pch_through_hdrstop_create) ||
-                        Args.hasArg(OPT_pch_through_hdrstop_use);
-
-  for (const auto *A : Args.filtered(OPT_error_on_deserialized_pch_decl))
-    Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue());
-
-  if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) {
-    StringRef Value(A->getValue());
-    size_t Comma = Value.find(',');
-    unsigned Bytes = 0;
-    unsigned EndOfLine = 0;
-
-    if (Comma == StringRef::npos ||
-        Value.substr(0, Comma).getAsInteger(10, Bytes) ||
-        Value.substr(Comma + 1).getAsInteger(10, EndOfLine))
-      Diags.Report(diag::err_drv_preamble_format);
-    else {
-      Opts.PrecompiledPreambleBytes.first = Bytes;
-      Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0);
-    }
-  }
-
-  // Add the __CET__ macro if a CFProtection option is set.
-  if (const Arg *A = Args.getLastArg(OPT_fcf_protection_EQ)) {
-    StringRef Name = A->getValue();
-    if (Name == "branch")
-      Opts.addMacroDef("__CET__=1");
-    else if (Name == "return")
-      Opts.addMacroDef("__CET__=2");
-    else if (Name == "full")
-      Opts.addMacroDef("__CET__=3");
-  }
-
-  // Add macros from the command line.
-  for (const auto *A : Args.filtered(OPT_D, OPT_U)) {
-    if (A->getOption().matches(OPT_D))
-      Opts.addMacroDef(A->getValue());
-    else
-      Opts.addMacroUndef(A->getValue());
-  }
-
-  // Add the ordered list of -includes.
-  for (const auto *A : Args.filtered(OPT_include))
-    Opts.Includes.emplace_back(A->getValue());
-
-  for (const auto *A : Args.filtered(OPT_chain_include))
-    Opts.ChainedIncludes.emplace_back(A->getValue());
-
-  for (const auto *A : Args.filtered(OPT_remap_file)) {
-    std::pair<StringRef, StringRef> Split = StringRef(A->getValue()).split(';');
-
-    if (Split.second.empty()) {
-      Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args);
-      continue;
-    }
-
-    Opts.addRemappedFile(Split.first, Split.second);
-  }
-
-  // Always avoid lexing editor placeholders when we're just running the
-  // preprocessor as we never want to emit the
-  // "editor placeholder in source file" error in PP only mode.
-  if (isStrictlyPreprocessorAction(Action))
-    Opts.LexEditorPlaceholders = false;
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-static void GeneratePreprocessorOutputArgs(
-    const PreprocessorOutputOptions &Opts, SmallVectorImpl<const char *> &Args,
-    CompilerInvocation::StringAllocator SA, frontend::ActionKind Action) {
-  const PreprocessorOutputOptions &PreprocessorOutputOpts = Opts;
-
-#define PREPROCESSOR_OUTPUT_OPTION_WITH_MARSHALLING(                           \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef PREPROCESSOR_OUTPUT_OPTION_WITH_MARSHALLING
-
-  bool Generate_dM = isStrictlyPreprocessorAction(Action) && !Opts.ShowCPP;
-  if (Generate_dM)
-    GenerateArg(Args, OPT_dM, SA);
-  if (!Generate_dM && Opts.ShowMacros)
-    GenerateArg(Args, OPT_dD, SA);
-}
-
-static bool ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
-                                        ArgList &Args, DiagnosticsEngine &Diags,
-                                        frontend::ActionKind Action) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  PreprocessorOutputOptions &PreprocessorOutputOpts = Opts;
-
-#define PREPROCESSOR_OUTPUT_OPTION_WITH_MARSHALLING(                           \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef PREPROCESSOR_OUTPUT_OPTION_WITH_MARSHALLING
-
-  Opts.ShowCPP = isStrictlyPreprocessorAction(Action) && !Args.hasArg(OPT_dM);
-  Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD);
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-static void GenerateTargetArgs(const TargetOptions &Opts,
-                               SmallVectorImpl<const char *> &Args,
-                               CompilerInvocation::StringAllocator SA) {
-  const TargetOptions *TargetOpts = &Opts;
-#define TARGET_OPTION_WITH_MARSHALLING(                                        \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  GENERATE_OPTION_WITH_MARSHALLING(                                            \
-      Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE,    \
-      IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef TARGET_OPTION_WITH_MARSHALLING
-
-  if (!Opts.SDKVersion.empty())
-    GenerateArg(Args, OPT_target_sdk_version_EQ, Opts.SDKVersion.getAsString(),
-                SA);
-}
-
-static bool ParseTargetArgs(TargetOptions &Opts, ArgList &Args,
-                            DiagnosticsEngine &Diags) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  TargetOptions *TargetOpts = &Opts;
-
-#define TARGET_OPTION_WITH_MARSHALLING(                                        \
-    PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,        \
-    HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH,   \
-    DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER,     \
-    MERGER, EXTRACTOR, TABLE_INDEX)                                            \
-  PARSE_OPTION_WITH_MARSHALLING(                                               \
-      Args, Diags, ID, FLAGS, PARAM, SHOULD_PARSE, KEYPATH, DEFAULT_VALUE,     \
-      IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, MERGER, TABLE_INDEX)
-#include "clang/Driver/Options.inc"
-#undef TARGET_OPTION_WITH_MARSHALLING
-
-  if (Arg *A = Args.getLastArg(options::OPT_target_sdk_version_EQ)) {
-    llvm::VersionTuple Version;
-    if (Version.tryParse(A->getValue()))
-      Diags.Report(diag::err_drv_invalid_value)
-          << A->getAsString(Args) << A->getValue();
-    else
-      Opts.SDKVersion = Version;
-  }
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-bool CompilerInvocation::CreateFromArgsImpl(
-    CompilerInvocation &Res, ArrayRef<const char *> CommandLineArgs,
-    DiagnosticsEngine &Diags, const char *Argv0) {
-  unsigned NumErrorsBefore = Diags.getNumErrors();
-
-  // Parse the arguments.
-  const OptTable &Opts = getDriverOptTable();
-  const unsigned IncludedFlagsBitmask = options::CC1Option;
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args = Opts.ParseArgs(CommandLineArgs, MissingArgIndex,
-                                     MissingArgCount, IncludedFlagsBitmask);
-  LangOptions &LangOpts = *Res.getLangOpts();
-
-  // Check for missing argument error.
-  if (MissingArgCount)
-    Diags.Report(diag::err_drv_missing_argument)
-        << Args.getArgString(MissingArgIndex) << MissingArgCount;
-
-  // Issue errors on unknown arguments.
-  for (const auto *A : Args.filtered(OPT_UNKNOWN)) {
-    auto ArgString = A->getAsString(Args);
-    std::string Nearest;
-    if (Opts.findNearest(ArgString, Nearest, IncludedFlagsBitmask) > 1)
-      Diags.Report(diag::err_drv_unknown_argument) << ArgString;
-    else
-      Diags.Report(diag::err_drv_unknown_argument_with_suggestion)
-          << ArgString << Nearest;
-  }
-
-  ParseFileSystemArgs(Res.getFileSystemOpts(), Args, Diags);
-  ParseMigratorArgs(Res.getMigratorOpts(), Args, Diags);
-  ParseAnalyzerArgs(*Res.getAnalyzerOpts(), Args, Diags);
-  ParseDiagnosticArgs(Res.getDiagnosticOpts(), Args, &Diags,
-                      /*DefaultDiagColor=*/false);
-  ParseFrontendArgs(Res.getFrontendOpts(), Args, Diags, LangOpts.IsHeaderFile);
-  // FIXME: We shouldn't have to pass the DashX option around here
-  InputKind DashX = Res.getFrontendOpts().DashX;
-  ParseTargetArgs(Res.getTargetOpts(), Args, Diags);
-  llvm::Triple T(Res.getTargetOpts().Triple);
-  ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), Args, Diags,
-                        Res.getFileSystemOpts().WorkingDir);
-
-  ParseLangArgs(LangOpts, Args, DashX, T, Res.getPreprocessorOpts().Includes,
-                Diags);
-  if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC)
-    LangOpts.ObjCExceptions = 1;
-
-  if (LangOpts.CUDA) {
-    // During CUDA device-side compilation, the aux triple is the
-    // triple used for host compilation.
-    if (LangOpts.CUDAIsDevice)
-      Res.getTargetOpts().HostTriple = Res.getFrontendOpts().AuxTriple;
-  }
-
-  // Set the triple of the host for OpenMP device compile.
-  if (LangOpts.OpenMPIsDevice)
-    Res.getTargetOpts().HostTriple = Res.getFrontendOpts().AuxTriple;
-
-  ParseCodeGenArgs(Res.getCodeGenOpts(), Args, DashX, Diags, T,
-                   Res.getFrontendOpts().OutputFile, LangOpts);
-
-  // FIXME: Override value name discarding when asan or msan is used because the
-  // backend passes depend on the name of the alloca in order to print out
-  // names.
-  Res.getCodeGenOpts().DiscardValueNames &=
-      !LangOpts.Sanitize.has(SanitizerKind::Address) &&
-      !LangOpts.Sanitize.has(SanitizerKind::KernelAddress) &&
-      !LangOpts.Sanitize.has(SanitizerKind::Memory) &&
-      !LangOpts.Sanitize.has(SanitizerKind::KernelMemory);
-
-  ParsePreprocessorArgs(Res.getPreprocessorOpts(), Args, Diags,
-                        Res.getFrontendOpts().ProgramAction,
-                        Res.getFrontendOpts());
-  ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), Args, Diags,
-                              Res.getFrontendOpts().ProgramAction);
-
-  ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), Args, Diags,
-                            Res.getFrontendOpts().ProgramAction,
-                            Res.getPreprocessorOutputOpts().ShowLineMarkers);
-  if (!Res.getDependencyOutputOpts().OutputFile.empty() &&
-      Res.getDependencyOutputOpts().Targets.empty())
-    Diags.Report(diag::err_fe_dependency_file_requires_MT);
-
-  // If sanitizer is enabled, disable OPT_ffine_grained_bitfield_accesses.
-  if (Res.getCodeGenOpts().FineGrainedBitfieldAccesses &&
-      !Res.getLangOpts()->Sanitize.empty()) {
-    Res.getCodeGenOpts().FineGrainedBitfieldAccesses = false;
-    Diags.Report(diag::warn_drv_fine_grained_bitfield_accesses_ignored);
-  }
-
-  // Store the command-line for using in the CodeView backend.
-  Res.getCodeGenOpts().Argv0 = Argv0;
-  append_range(Res.getCodeGenOpts().CommandLineArgs, CommandLineArgs);
-
-  FixupInvocation(Res, Diags, Args, DashX);
-
-  return Diags.getNumErrors() == NumErrorsBefore;
-}
-
-bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Invocation,
-                                        ArrayRef<const char *> CommandLineArgs,
-                                        DiagnosticsEngine &Diags,
-                                        const char *Argv0) {
-  CompilerInvocation DummyInvocation;
-
-  return RoundTrip(
-      [](CompilerInvocation &Invocation, ArrayRef<const char *> CommandLineArgs,
-         DiagnosticsEngine &Diags, const char *Argv0) {
-        return CreateFromArgsImpl(Invocation, CommandLineArgs, Diags, Argv0);
-      },
-      [](CompilerInvocation &Invocation, SmallVectorImpl<const char *> &Args,
-         StringAllocator SA) { Invocation.generateCC1CommandLine(Args, SA); },
-      Invocation, DummyInvocation, CommandLineArgs, Diags, Argv0);
-}
-
-std::string CompilerInvocation::getModuleHash() const {
-  // FIXME: Consider using SHA1 instead of MD5.
-  llvm::HashBuilder<llvm::MD5, llvm::support::endianness::native> HBuilder;
-
-  // Note: For QoI reasons, the things we use as a hash here should all be
-  // dumped via the -module-info flag.
-
-  // Start the signature with the compiler version.
-  HBuilder.add(getClangFullRepositoryVersion());
-
-  // Also include the serialization version, in case LLVM_APPEND_VC_REV is off
-  // and getClangFullRepositoryVersion() doesn't include git revision.
-  HBuilder.add(serialization::VERSION_MAJOR, serialization::VERSION_MINOR);
-
-  // Extend the signature with the language options
-#define LANGOPT(Name, Bits, Default, Description) HBuilder.add(LangOpts->Name);
-#define ENUM_LANGOPT(Name, Type, Bits, Default, Description)                   \
-  HBuilder.add(static_cast<unsigned>(LangOpts->get##Name()));
-#define BENIGN_LANGOPT(Name, Bits, Default, Description)
-#define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
-#include "clang/Basic/LangOptions.def"
-
-  HBuilder.addRange(LangOpts->ModuleFeatures);
-
-  HBuilder.add(LangOpts->ObjCRuntime);
-  HBuilder.addRange(LangOpts->CommentOpts.BlockCommandNames);
-
-  // Extend the signature with the target options.
-  HBuilder.add(TargetOpts->Triple, TargetOpts->CPU, TargetOpts->TuneCPU,
-               TargetOpts->ABI);
-  HBuilder.addRange(TargetOpts->FeaturesAsWritten);
-
-  // Extend the signature with preprocessor options.
-  const PreprocessorOptions &ppOpts = getPreprocessorOpts();
-  HBuilder.add(ppOpts.UsePredefines, ppOpts.DetailedRecord);
-
-  const HeaderSearchOptions &hsOpts = getHeaderSearchOpts();
-  for (const auto &Macro : getPreprocessorOpts().Macros) {
-    // If we're supposed to ignore this macro for the purposes of modules,
-    // don't put it into the hash.
-    if (!hsOpts.ModulesIgnoreMacros.empty()) {
-      // Check whether we're ignoring this macro.
-      StringRef MacroDef = Macro.first;
-      if (hsOpts.ModulesIgnoreMacros.count(
-              llvm::CachedHashString(MacroDef.split('=').first)))
-        continue;
-    }
-
-    HBuilder.add(Macro);
-  }
-
-  // Extend the signature with the sysroot and other header search options.
-  HBuilder.add(hsOpts.Sysroot, hsOpts.ModuleFormat, hsOpts.UseDebugInfo,
-               hsOpts.UseBuiltinIncludes, hsOpts.UseStandardSystemIncludes,
-               hsOpts.UseStandardCXXIncludes, hsOpts.UseLibcxx,
-               hsOpts.ModulesValidateDiagnosticOptions);
-  HBuilder.add(hsOpts.ResourceDir);
-
-  if (hsOpts.ModulesStrictContextHash) {
-    HBuilder.addRange(hsOpts.SystemHeaderPrefixes);
-    HBuilder.addRange(hsOpts.UserEntries);
-
-    const DiagnosticOptions &diagOpts = getDiagnosticOpts();
-#define DIAGOPT(Name, Bits, Default) HBuilder.add(diagOpts.Name);
-#define ENUM_DIAGOPT(Name, Type, Bits, Default)                                \
-  HBuilder.add(diagOpts.get##Name());
-#include "clang/Basic/DiagnosticOptions.def"
-#undef DIAGOPT
-#undef ENUM_DIAGOPT
-  }
-
-  // Extend the signature with the user build path.
-  HBuilder.add(hsOpts.ModuleUserBuildPath);
-
-  // Extend the signature with the module file extensions.
-  for (const auto &ext : getFrontendOpts().ModuleFileExtensions)
-    ext->hashExtension(HBuilder);
-
-  // When compiling with -gmodules, also hash -fdebug-prefix-map as it
-  // affects the debug info in the PCM.
-  if (getCodeGenOpts().DebugTypeExtRefs)
-    HBuilder.addRange(getCodeGenOpts().DebugPrefixMap);
-
-  // Extend the signature with the enabled sanitizers, if at least one is
-  // enabled. Sanitizers which cannot affect AST generation aren't hashed.
-  SanitizerSet SanHash = LangOpts->Sanitize;
-  SanHash.clear(getPPTransparentSanitizers());
-  if (!SanHash.empty())
-    HBuilder.add(SanHash.Mask);
-
-  llvm::MD5::MD5Result Result;
-  HBuilder.getHasher().final(Result);
-  uint64_t Hash = Result.high() ^ Result.low();
-  return toString(llvm::APInt(64, Hash), 36, /*Signed=*/false);
-}
-
-void CompilerInvocation::generateCC1CommandLine(
-    SmallVectorImpl<const char *> &Args, StringAllocator SA) const {
-  llvm::Triple T(TargetOpts->Triple);
-
-  GenerateFileSystemArgs(FileSystemOpts, Args, SA);
-  GenerateMigratorArgs(MigratorOpts, Args, SA);
-  GenerateAnalyzerArgs(*AnalyzerOpts, Args, SA);
-  GenerateDiagnosticArgs(*DiagnosticOpts, Args, SA, false);
-  GenerateFrontendArgs(FrontendOpts, Args, SA, LangOpts->IsHeaderFile);
-  GenerateTargetArgs(*TargetOpts, Args, SA);
-  GenerateHeaderSearchArgs(*HeaderSearchOpts, Args, SA);
-  GenerateLangArgs(*LangOpts, Args, SA, T, FrontendOpts.DashX);
-  GenerateCodeGenArgs(CodeGenOpts, Args, SA, T, FrontendOpts.OutputFile,
-                      &*LangOpts);
-  GeneratePreprocessorArgs(*PreprocessorOpts, Args, SA, *LangOpts, FrontendOpts,
-                           CodeGenOpts);
-  GeneratePreprocessorOutputArgs(PreprocessorOutputOpts, Args, SA,
-                                 FrontendOpts.ProgramAction);
-  GenerateDependencyOutputArgs(DependencyOutputOpts, Args, SA);
-}
-
-IntrusiveRefCntPtr<llvm::vfs::FileSystem>
-clang::createVFSFromCompilerInvocationOrig(const CompilerInvocation &CI,
-                                       DiagnosticsEngine &Diags) {
-  return createVFSFromCompilerInvocation(CI, Diags,
-                                         llvm::vfs::getRealFileSystem());
-}
-
-IntrusiveRefCntPtr<llvm::vfs::FileSystem>
-clang::createVFSFromCompilerInvocation(
-    const CompilerInvocation &CI, DiagnosticsEngine &Diags,
-    IntrusiveRefCntPtr<llvm::vfs::FileSystem> BaseFS) {
-  if (CI.getHeaderSearchOpts().VFSOverlayFiles.empty())
-    return BaseFS;
-
-  IntrusiveRefCntPtr<llvm::vfs::FileSystem> Result = BaseFS;
-  // earlier vfs files are on the bottom
-  for (const auto &File : CI.getHeaderSearchOpts().VFSOverlayFiles) {
-    llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> Buffer =
-        Result->getBufferForFile(File);
-    if (!Buffer) {
-      Diags.Report(diag::err_missing_vfs_overlay_file) << File;
-      continue;
-    }
-
-    IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS = llvm::vfs::getVFSFromYAML(
-        std::move(Buffer.get()), /*DiagHandler*/ nullptr, File,
-        /*DiagContext*/ nullptr, Result);
-    if (!FS) {
-      Diags.Report(diag::err_invalid_vfs_overlay) << File;
-      continue;
-    }
-
-    Result = FS;
-  }
-  return Result;
-}
-
-IntrusiveRefCntPtr<llvm::vfs::FileSystem>
-clang::createVFSFromCompilerInvocation(const CompilerInvocation &CI,
-                                DiagnosticsEngine &Diags) {
-  IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS = clang::createVFSFromCompilerInvocationOrig(CI, Diags);
-  if (!CI.getHeaderSearchOpts().CaseInsensitive) {
-    return FS;
-  } else {
-    return new llvm::vfs::CaseInsensitiveFileSystem(FS);
-  }
-}