diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
| commit | 0b57cec536236d46e3dba9bd041533462f33dbb7 (patch) | |
| tree | 56229dbdbbf76d18580f72f789003db17246c8d9 /contrib/llvm/tools/clang/lib/Frontend/CompilerInvocation.cpp | |
| parent | 718ef55ec7785aae63f98f8ca05dc07ed399c16d (diff) | |
Notes
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Frontend/CompilerInvocation.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Frontend/CompilerInvocation.cpp | 3587 |
1 files changed, 0 insertions, 3587 deletions
diff --git a/contrib/llvm/tools/clang/lib/Frontend/CompilerInvocation.cpp b/contrib/llvm/tools/clang/lib/Frontend/CompilerInvocation.cpp deleted file mode 100644 index bc54e38a1a63..000000000000 --- a/contrib/llvm/tools/clang/lib/Frontend/CompilerInvocation.cpp +++ /dev/null @@ -1,3587 +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/DiagnosticOptions.h" -#include "clang/Basic/FileSystemOptions.h" -#include "clang/Basic/LLVM.h" -#include "clang/Basic/LangOptions.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/LangStandard.h" -#include "clang/Frontend/MigratorOptions.h" -#include "clang/Frontend/PreprocessorOutputOptions.h" -#include "clang/Frontend/Utils.h" -#include "clang/Lex/HeaderSearchOptions.h" -#include "clang/Lex/PreprocessorOptions.h" -#include "clang/Sema/CodeCompleteOptions.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/Hashing.h" -#include "llvm/ADT/None.h" -#include "llvm/ADT/Optional.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/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/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/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 <utility> -#include <vector> - -using namespace clang; -using namespace driver; -using namespace options; -using namespace llvm::opt; - -//===----------------------------------------------------------------------===// -// Initialization. -//===----------------------------------------------------------------------===// - -CompilerInvocationBase::CompilerInvocationBase() - : LangOpts(new LangOptions()), TargetOpts(new TargetOptions()), - DiagnosticOpts(new DiagnosticOptions()), - HeaderSearchOpts(new HeaderSearchOptions()), - PreprocessorOpts(new PreprocessorOptions()) {} - -CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &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())) {} - -CompilerInvocationBase::~CompilerInvocationBase() = default; - -//===----------------------------------------------------------------------===// -// Deserialization (from args) -//===----------------------------------------------------------------------===// - -static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, - DiagnosticsEngine &Diags) { - unsigned DefaultOpt = llvm::CodeGenOpt::None; - if (IK.getLanguage() == InputKind::OpenCL && !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" || S.empty()) - 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 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 warning list. - Diagnostics.push_back(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. - Diagnostics.push_back(A->getOption().getName().drop_front(1).rtrim("=-")); - } else { - // Otherwise, add its value (for OPT_W_Joined and similar). - for (const auto *Arg : A->getValues()) - Diagnostics.emplace_back(Arg); - } - } -} - -// 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) { - SmallVector<const char *, 8> Values; - for (const auto &Arg : Args) { - const Option &O = Arg->getOption(); - if (O.matches(options::OPT_fno_builtin_)) { - const char *FuncName = Arg->getValue(); - if (Builtin::Context::isBuiltinFunc(FuncName)) - Values.push_back(FuncName); - } - } - Funcs.insert(Funcs.end(), Values.begin(), Values.end()); -} - -static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, - DiagnosticsEngine &Diags) { - bool Success = true; - 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; - Success = false; - } 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; - Success = false; - } 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; - Success = false; - } 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; - Success = false; - } 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; - Success = false; - } else { - Opts.InliningMode = Value; - } - } - - Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); - Opts.ShowCheckerHelpAlpha = Args.hasArg(OPT_analyzer_checker_help_alpha); - Opts.ShowCheckerHelpDeveloper = - Args.hasArg(OPT_analyzer_checker_help_developer); - - Opts.ShowCheckerOptionList = Args.hasArg(OPT_analyzer_checker_option_help); - Opts.ShowCheckerOptionAlphaList = - Args.hasArg(OPT_analyzer_checker_option_help_alpha); - Opts.ShowCheckerOptionDeveloperList = - Args.hasArg(OPT_analyzer_checker_option_help_developer); - - Opts.ShowConfigOptionsList = Args.hasArg(OPT_analyzer_config_help); - Opts.ShowEnabledCheckerList = Args.hasArg(OPT_analyzer_list_enabled_checkers); - Opts.ShouldEmitErrorsOnInvalidConfigValue = - /* negated */!llvm::StringSwitch<bool>( - Args.getLastArgValue(OPT_analyzer_config_compatibility_mode)) - .Case("true", true) - .Case("false", false) - .Default(false); - Opts.DisableAllChecks = Args.hasArg(OPT_analyzer_disable_all_checks); - - Opts.visualizeExplodedGraphWithGraphViz = - Args.hasArg(OPT_analyzer_viz_egraph_graphviz); - Opts.DumpExplodedGraphTo = Args.getLastArgValue(OPT_analyzer_dump_egraph); - Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); - Opts.AnalyzerWerror = Args.hasArg(OPT_analyzer_werror); - Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); - Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); - Opts.AnalyzeNestedBlocks = - Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); - Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); - Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); - Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); - Opts.maxBlockVisitOnPath = - getLastArgIntValue(Args, OPT_analyzer_max_loop, 4, Diags); - Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); - Opts.InlineMaxStackDepth = - getLastArgIntValue(Args, OPT_analyzer_inline_max_stack_depth, - Opts.InlineMaxStackDepth, Diags); - - Opts.CheckersControlList.clear(); - for (const Arg *A : - Args.filtered(OPT_analyzer_checker, OPT_analyzer_disable_checker)) { - A->claim(); - bool enable = (A->getOption().getID() == OPT_analyzer_checker); - // We can have a list of comma separated checker names, e.g: - // '-analyzer-checker=cocoa,unix' - StringRef checkerList = A->getValue(); - SmallVector<StringRef, 4> checkers; - checkerList.split(checkers, ","); - for (auto checker : checkers) - Opts.CheckersControlList.emplace_back(checker, enable); - } - - // 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; - Success = false; - break; - } - if (val.find('=') != StringRef::npos) { - Diags.Report(SourceLocation(), - diag::err_analyzer_config_multiple_values) - << configVal; - Success = false; - 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] = 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 Success; -} - -static StringRef getStringOption(AnalyzerOptions::ConfigTable &Config, - StringRef OptionName, StringRef DefaultVal) { - return Config.insert({OptionName, 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. - - 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"; -} - -static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { - Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); - Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); - return true; -} - -static void ParseCommentArgs(CommentOptions &Opts, ArgList &Args) { - Opts.BlockCommandNames = Args.getAllArgValues(OPT_fcomment_block_commands); - Opts.ParseAllComments = Args.hasArg(OPT_fparse_all_comments); -} - -static StringRef getCodeModel(ArgList &Args, DiagnosticsEngine &Diags) { - if (Arg *A = Args.getLastArg(OPT_mcode_model)) { - StringRef Value = A->getValue(); - if (Value == "small" || Value == "kernel" || Value == "medium" || - Value == "large" || Value == "tiny") - return Value; - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Value; - } - return "default"; -} - -static llvm::Reloc::Model getRelocModel(ArgList &Args, - DiagnosticsEngine &Diags) { - if (Arg *A = Args.getLastArg(OPT_mrelocation_model)) { - StringRef Value = A->getValue(); - auto RM = llvm::StringSwitch<llvm::Optional<llvm::Reloc::Model>>(Value) - .Case("static", llvm::Reloc::Static) - .Case("pic", llvm::Reloc::PIC_) - .Case("ropi", llvm::Reloc::ROPI) - .Case("rwpi", llvm::Reloc::RWPI) - .Case("ropi-rwpi", llvm::Reloc::ROPI_RWPI) - .Case("dynamic-no-pic", llvm::Reloc::DynamicNoPIC) - .Default(None); - if (RM.hasValue()) - return *RM; - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Value; - } - return llvm::Reloc::PIC_; -} - -/// Create a new Regex instance out of the string value in \p RpassArg. -/// It returns a pointer to the newly generated Regex instance. -static std::shared_ptr<llvm::Regex> -GenerateOptimizationRemarkRegex(DiagnosticsEngine &Diags, ArgList &Args, - Arg *RpassArg) { - StringRef Val = RpassArg->getValue(); - std::string RegexError; - std::shared_ptr<llvm::Regex> Pattern = std::make_shared<llvm::Regex>(Val); - if (!Pattern->isValid(RegexError)) { - Diags.Report(diag::err_drv_optimization_remark_pattern) - << RegexError << RpassArg->getAsString(Args); - Pattern.reset(); - } - return Pattern; -} - -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; - if (Diags) - 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 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); - } -} - -// Set the profile kind for fprofile-instrument. -static void setPGOInstrumentor(CodeGenOptions &Opts, ArgList &Args, - DiagnosticsEngine &Diags) { - Arg *A = Args.getLastArg(OPT_fprofile_instrument_EQ); - if (A == nullptr) - return; - StringRef S = A->getValue(); - unsigned I = llvm::StringSwitch<unsigned>(S) - .Case("none", CodeGenOptions::ProfileNone) - .Case("clang", CodeGenOptions::ProfileClangInstr) - .Case("llvm", CodeGenOptions::ProfileIRInstr) - .Case("csllvm", CodeGenOptions::ProfileCSIRInstr) - .Default(~0U); - if (I == ~0U) { - Diags.Report(diag::err_drv_invalid_pgo_instrumentor) << A->getAsString(Args) - << S; - return; - } - auto Instrumentor = static_cast<CodeGenOptions::ProfileInstrKind>(I); - Opts.setProfileInstr(Instrumentor); -} - -// 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); -} - -static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, - DiagnosticsEngine &Diags, - const TargetOptions &TargetOpts, - const FrontendOptions &FrontendOpts) { - bool Success = true; - llvm::Triple Triple = llvm::Triple(TargetOpts.Triple); - - 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; - - // 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); - } - } - - Opts.ExperimentalNewPassManager = Args.hasFlag( - OPT_fexperimental_new_pass_manager, OPT_fno_experimental_new_pass_manager, - /* Default */ ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER); - - Opts.DebugPassManager = - Args.hasFlag(OPT_fdebug_pass_manager, OPT_fno_debug_pass_manager, - /* Default */ false); - - if (Arg *A = Args.getLastArg(OPT_fveclib)) { - StringRef Name = A->getValue(); - if (Name == "Accelerate") - Opts.setVecLib(CodeGenOptions::Accelerate); - else if (Name == "MASSV") - Opts.setVecLib(CodeGenOptions::MASSV); - else if (Name == "SVML") - Opts.setVecLib(CodeGenOptions::SVML); - else if (Name == "none") - Opts.setVecLib(CodeGenOptions::NoLibrary); - else - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; - } - - 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("limited", codegenoptions::LimitedDebugInfo) - .Case("standalone", codegenoptions::FullDebugInfo) - .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 (Arg *A = Args.getLastArg(OPT_debugger_tuning_EQ)) { - unsigned Val = llvm::StringSwitch<unsigned>(A->getValue()) - .Case("gdb", unsigned(llvm::DebuggerKind::GDB)) - .Case("lldb", unsigned(llvm::DebuggerKind::LLDB)) - .Case("sce", unsigned(llvm::DebuggerKind::SCE)) - .Default(~0U); - if (Val == ~0U) - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) - << A->getValue(); - else - Opts.setDebuggerTuning(static_cast<llvm::DebuggerKind>(Val)); - } - Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 0, Diags); - Opts.DebugColumnInfo = Args.hasArg(OPT_dwarf_column_info); - Opts.EmitCodeView = Args.hasArg(OPT_gcodeview); - Opts.CodeViewGHash = Args.hasArg(OPT_gcodeview_ghash); - Opts.MacroDebugInfo = Args.hasArg(OPT_debug_info_macro); - Opts.WholeProgramVTables = Args.hasArg(OPT_fwhole_program_vtables); - Opts.LTOVisibilityPublicStd = Args.hasArg(OPT_flto_visibility_public_std); - Opts.SplitDwarfFile = Args.getLastArgValue(OPT_split_dwarf_file); - Opts.SplitDwarfOutput = Args.getLastArgValue(OPT_split_dwarf_output); - Opts.SplitDwarfInlining = !Args.hasArg(OPT_fno_split_dwarf_inlining); - Opts.DebugTypeExtRefs = Args.hasArg(OPT_dwarf_ext_refs); - Opts.DebugExplicitImport = Args.hasArg(OPT_dwarf_explicit_import); - Opts.DebugFwdTemplateParams = Args.hasArg(OPT_debug_forward_template_params); - Opts.EmbedSource = Args.hasArg(OPT_gembed_source); - - for (const auto &Arg : Args.getAllArgValues(OPT_fdebug_prefix_map_EQ)) - Opts.DebugPrefixMap.insert(StringRef(Arg).split('=')); - - if (const Arg *A = - Args.getLastArg(OPT_emit_llvm_uselists, OPT_no_emit_llvm_uselists)) - Opts.EmitLLVMUseLists = A->getOption().getID() == OPT_emit_llvm_uselists; - - Opts.DisableLLVMPasses = Args.hasArg(OPT_disable_llvm_passes); - Opts.DisableLifetimeMarkers = Args.hasArg(OPT_disable_lifetimemarkers); - - llvm::Triple T(TargetOpts.Triple); - llvm::Triple::ArchType Arch = T.getArch(); - if (Opts.OptimizationLevel > 0 && - (Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64)) - Opts.EnableDebugEntryValues = Args.hasArg(OPT_femit_debug_entry_values); - - Opts.DisableO0ImplyOptNone = Args.hasArg(OPT_disable_O0_optnone); - Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); - Opts.IndirectTlsSegRefs = Args.hasArg(OPT_mno_tls_direct_seg_refs); - Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); - Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( - OPT_fuse_register_sized_bitfield_access); - Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); - Opts.StructPathTBAA = !Args.hasArg(OPT_no_struct_path_tbaa); - Opts.NewStructPathTBAA = !Args.hasArg(OPT_no_struct_path_tbaa) && - Args.hasArg(OPT_new_struct_path_tbaa); - Opts.FineGrainedBitfieldAccesses = - Args.hasFlag(OPT_ffine_grained_bitfield_accesses, - OPT_fno_fine_grained_bitfield_accesses, false); - Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); - Opts.RecordCommandLine = Args.getLastArgValue(OPT_record_command_line); - Opts.MergeAllConstants = Args.hasArg(OPT_fmerge_all_constants); - Opts.NoCommon = Args.hasArg(OPT_fno_common); - Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); - Opts.OptimizeSize = getOptimizationLevelSize(Args); - Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || - Args.hasArg(OPT_ffreestanding)); - if (Opts.SimplifyLibCalls) - getAllNoBuiltinFuncValues(Args, Opts.NoBuiltinFuncs); - Opts.UnrollLoops = - Args.hasFlag(OPT_funroll_loops, OPT_fno_unroll_loops, - (Opts.OptimizationLevel > 1)); - Opts.RerollLoops = Args.hasArg(OPT_freroll_loops); - - Opts.DisableIntegratedAS = Args.hasArg(OPT_fno_integrated_as); - Opts.Autolink = !Args.hasArg(OPT_fno_autolink); - Opts.SampleProfileFile = Args.getLastArgValue(OPT_fprofile_sample_use_EQ); - Opts.DebugInfoForProfiling = Args.hasFlag( - OPT_fdebug_info_for_profiling, OPT_fno_debug_info_for_profiling, false); - 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); - Opts.DebugRangesBaseAddress = Args.hasArg(OPT_fdebug_ranges_base_address); - - setPGOInstrumentor(Opts, Args, Diags); - Opts.InstrProfileOutput = - Args.getLastArgValue(OPT_fprofile_instrument_path_EQ); - Opts.ProfileInstrumentUsePath = - Args.getLastArgValue(OPT_fprofile_instrument_use_path_EQ); - if (!Opts.ProfileInstrumentUsePath.empty()) - setPGOUseInstrumentor(Opts, Opts.ProfileInstrumentUsePath); - Opts.ProfileRemappingFile = - Args.getLastArgValue(OPT_fprofile_remapping_file_EQ); - if (!Opts.ProfileRemappingFile.empty() && !Opts.ExperimentalNewPassManager) { - Diags.Report(diag::err_drv_argument_only_allowed_with) - << Args.getLastArg(OPT_fprofile_remapping_file_EQ)->getAsString(Args) - << "-fexperimental-new-pass-manager"; - } - - Opts.CoverageMapping = - Args.hasFlag(OPT_fcoverage_mapping, OPT_fno_coverage_mapping, false); - Opts.DumpCoverageMapping = Args.hasArg(OPT_dump_coverage_mapping); - Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); - Opts.PreserveAsmComments = !Args.hasArg(OPT_fno_preserve_as_comments); - Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); - Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); - Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); - Opts.RegisterGlobalDtorsWithAtExit = - Args.hasArg(OPT_fregister_global_dtors_with_atexit); - Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); - Opts.CodeModel = TargetOpts.CodeModel; - Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); - Opts.DisableFPElim = - (Args.hasArg(OPT_mdisable_fp_elim) || Args.hasArg(OPT_pg)); - Opts.DisableFree = Args.hasArg(OPT_disable_free); - Opts.DiscardValueNames = Args.hasArg(OPT_discard_value_names); - Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); - Opts.NoEscapingBlockTailCalls = - Args.hasArg(OPT_fno_escaping_block_tail_calls); - Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); - Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable) || - Args.hasArg(OPT_cl_unsafe_math_optimizations) || - Args.hasArg(OPT_cl_fast_relaxed_math); - Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); - Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || - Args.hasArg(OPT_cl_finite_math_only) || - Args.hasArg(OPT_cl_fast_relaxed_math)); - Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || - Args.hasArg(OPT_cl_unsafe_math_optimizations) || - Args.hasArg(OPT_cl_finite_math_only) || - Args.hasArg(OPT_cl_fast_relaxed_math)); - Opts.NoSignedZeros = (Args.hasArg(OPT_fno_signed_zeros) || - Args.hasArg(OPT_cl_no_signed_zeros) || - Args.hasArg(OPT_cl_unsafe_math_optimizations) || - Args.hasArg(OPT_cl_fast_relaxed_math)); - Opts.Reassociate = Args.hasArg(OPT_mreassociate); - Opts.FlushDenorm = Args.hasArg(OPT_cl_denorms_are_zero) || - (Args.hasArg(OPT_fcuda_is_device) && - Args.hasArg(OPT_fcuda_flush_denormals_to_zero)); - Opts.CorrectlyRoundedDivSqrt = - Args.hasArg(OPT_cl_fp32_correctly_rounded_divide_sqrt); - Opts.UniformWGSize = - Args.hasArg(OPT_cl_uniform_work_group_size); - Opts.Reciprocals = Args.getAllArgValues(OPT_mrecip_EQ); - Opts.ReciprocalMath = Args.hasArg(OPT_freciprocal_math); - Opts.NoTrappingMath = Args.hasArg(OPT_fno_trapping_math); - Opts.StrictFloatCastOverflow = - !Args.hasArg(OPT_fno_strict_float_cast_overflow); - - Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); - Opts.NumRegisterParameters = getLastArgIntValue(Args, OPT_mregparm, 0, Diags); - Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); - Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings); - Opts.EnableSegmentedStacks = Args.hasArg(OPT_split_stacks); - Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); - Opts.IncrementalLinkerCompatible = - Args.hasArg(OPT_mincremental_linker_compatible); - Opts.PIECopyRelocations = - Args.hasArg(OPT_mpie_copy_relocations); - Opts.NoPLT = Args.hasArg(OPT_fno_plt); - Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); - Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); - Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); - Opts.SoftFloat = Args.hasArg(OPT_msoft_float); - Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); - Opts.StrictReturn = !Args.hasArg(OPT_fno_strict_return); - Opts.StrictVTablePointers = Args.hasArg(OPT_fstrict_vtable_pointers); - Opts.ForceEmitVTables = Args.hasArg(OPT_fforce_emit_vtables); - Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || - Args.hasArg(OPT_cl_unsafe_math_optimizations) || - Args.hasArg(OPT_cl_fast_relaxed_math); - Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); - Opts.RelocationModel = getRelocModel(Args, Diags); - Opts.ThreadModel = Args.getLastArgValue(OPT_mthread_model, "posix"); - if (Opts.ThreadModel != "posix" && Opts.ThreadModel != "single") - Diags.Report(diag::err_drv_invalid_value) - << Args.getLastArg(OPT_mthread_model)->getAsString(Args) - << Opts.ThreadModel; - Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); - Opts.UseInitArray = Args.hasArg(OPT_fuse_init_array); - - Opts.FunctionSections = Args.hasFlag(OPT_ffunction_sections, - OPT_fno_function_sections, false); - Opts.DataSections = Args.hasFlag(OPT_fdata_sections, - OPT_fno_data_sections, false); - Opts.StackSizeSection = - Args.hasFlag(OPT_fstack_size_section, OPT_fno_stack_size_section, false); - Opts.UniqueSectionNames = Args.hasFlag(OPT_funique_section_names, - OPT_fno_unique_section_names, true); - - Opts.MergeFunctions = Args.hasArg(OPT_fmerge_functions); - - Opts.NoUseJumpTables = Args.hasArg(OPT_fno_jump_tables); - - Opts.NullPointerIsValid = Args.hasArg(OPT_fno_delete_null_pointer_checks); - - Opts.ProfileSampleAccurate = Args.hasArg(OPT_fprofile_sample_accurate); - - Opts.PrepareForLTO = Args.hasArg(OPT_flto, OPT_flto_EQ); - Opts.PrepareForThinLTO = false; - if (Arg *A = Args.getLastArg(OPT_flto_EQ)) { - 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; - } - Opts.LTOUnit = Args.hasFlag(OPT_flto_unit, OPT_fno_lto_unit, false); - Opts.EnableSplitLTOUnit = Args.hasArg(OPT_fsplit_lto_unit); - if (Arg *A = Args.getLastArg(OPT_fthinlto_index_EQ)) { - if (IK.getLanguage() != InputKind::LLVM_IR) - Diags.Report(diag::err_drv_argument_only_allowed_with) - << A->getAsString(Args) << "-x ir"; - Opts.ThinLTOIndexFile = 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", FrontendOpts.OutputFile) - .Default(llvm::sys::path::filename(FrontendOpts.OutputFile).str()); - - Opts.ThinLinkBitcodeFile = Args.getLastArgValue(OPT_fthin_link_bitcode_EQ); - - Opts.MSVolatile = Args.hasArg(OPT_fms_volatile); - - Opts.VectorizeLoop = Args.hasArg(OPT_vectorize_loops); - Opts.VectorizeSLP = Args.hasArg(OPT_vectorize_slp); - - Opts.PreferVectorWidth = Args.getLastArgValue(OPT_mprefer_vector_width_EQ); - - Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); - Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); - - Opts.ControlFlowGuard = Args.hasArg(OPT_cfguard); - - Opts.DisableGCov = Args.hasArg(OPT_test_coverage); - Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); - Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); - if (Opts.EmitGcovArcs || Opts.EmitGcovNotes) { - Opts.CoverageDataFile = Args.getLastArgValue(OPT_coverage_data_file); - Opts.CoverageNotesFile = Args.getLastArgValue(OPT_coverage_notes_file); - Opts.CoverageExtraChecksum = Args.hasArg(OPT_coverage_cfg_checksum); - Opts.CoverageNoFunctionNamesInData = - Args.hasArg(OPT_coverage_no_function_names_in_data); - Opts.ProfileFilterFiles = - Args.getLastArgValue(OPT_fprofile_filter_files_EQ); - Opts.ProfileExcludeFiles = - Args.getLastArgValue(OPT_fprofile_exclude_files_EQ); - Opts.CoverageExitBlockBeforeBody = - Args.hasArg(OPT_coverage_exit_block_before_body); - 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); - } - } - } - // Handle -fembed-bitcode option. - if (Arg *A = Args.getLastArg(OPT_fembed_bitcode_EQ)) { - StringRef Name = A->getValue(); - unsigned Model = llvm::StringSwitch<unsigned>(Name) - .Case("off", CodeGenOptions::Embed_Off) - .Case("all", CodeGenOptions::Embed_All) - .Case("bitcode", CodeGenOptions::Embed_Bitcode) - .Case("marker", CodeGenOptions::Embed_Marker) - .Default(~0U); - if (Model == ~0U) { - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; - Success = false; - } else - Opts.setEmbedBitcode( - static_cast<CodeGenOptions::EmbedBitcodeKind>(Model)); - } - // 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. - if (Opts.getEmbedBitcode() == CodeGenOptions::Embed_All) { - 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().getGroup().isValid() && - A->getOption().getGroup().getID() == 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'); - } - } - } - - Opts.PreserveVec3Type = Args.hasArg(OPT_fpreserve_vec3_type); - Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); - Opts.InstrumentFunctionsAfterInlining = - Args.hasArg(OPT_finstrument_functions_after_inlining); - Opts.InstrumentFunctionEntryBare = - Args.hasArg(OPT_finstrument_function_entry_bare); - - Opts.XRayInstrumentFunctions = - Args.hasArg(OPT_fxray_instrument); - Opts.XRayAlwaysEmitCustomEvents = - Args.hasArg(OPT_fxray_always_emit_customevents); - Opts.XRayAlwaysEmitTypedEvents = - Args.hasArg(OPT_fxray_always_emit_typedevents); - Opts.XRayInstructionThreshold = - getLastArgIntValue(Args, OPT_fxray_instruction_threshold_EQ, 200, Diags); - - 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); - - Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); - Opts.CallFEntry = Args.hasArg(OPT_mfentry); - Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info); - - 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; - Success = false; - } - } - - if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections, - OPT_compress_debug_sections_EQ)) { - if (A->getOption().getID() == OPT_compress_debug_sections) { - // TODO: be more clever about the compression type auto-detection - Opts.setCompressDebugSections(llvm::DebugCompressionType::GNU); - } else { - auto DCT = llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue()) - .Case("none", llvm::DebugCompressionType::None) - .Case("zlib", llvm::DebugCompressionType::Z) - .Case("zlib-gnu", llvm::DebugCompressionType::GNU) - .Default(llvm::DebugCompressionType::None); - Opts.setCompressDebugSections(DCT); - } - } - - Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations); - Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); - 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); - } - Opts.SanitizeCoverageType = - getLastArgIntValue(Args, OPT_fsanitize_coverage_type, 0, Diags); - Opts.SanitizeCoverageIndirectCalls = - Args.hasArg(OPT_fsanitize_coverage_indirect_calls); - Opts.SanitizeCoverageTraceBB = Args.hasArg(OPT_fsanitize_coverage_trace_bb); - Opts.SanitizeCoverageTraceCmp = Args.hasArg(OPT_fsanitize_coverage_trace_cmp); - Opts.SanitizeCoverageTraceDiv = Args.hasArg(OPT_fsanitize_coverage_trace_div); - Opts.SanitizeCoverageTraceGep = Args.hasArg(OPT_fsanitize_coverage_trace_gep); - Opts.SanitizeCoverage8bitCounters = - Args.hasArg(OPT_fsanitize_coverage_8bit_counters); - Opts.SanitizeCoverageTracePC = Args.hasArg(OPT_fsanitize_coverage_trace_pc); - Opts.SanitizeCoverageTracePCGuard = - Args.hasArg(OPT_fsanitize_coverage_trace_pc_guard); - Opts.SanitizeCoverageNoPrune = Args.hasArg(OPT_fsanitize_coverage_no_prune); - Opts.SanitizeCoverageInline8bitCounters = - Args.hasArg(OPT_fsanitize_coverage_inline_8bit_counters); - Opts.SanitizeCoveragePCTable = Args.hasArg(OPT_fsanitize_coverage_pc_table); - Opts.SanitizeCoverageStackDepth = - Args.hasArg(OPT_fsanitize_coverage_stack_depth); - Opts.SanitizeMemoryTrackOrigins = - getLastArgIntValue(Args, OPT_fsanitize_memory_track_origins_EQ, 0, Diags); - Opts.SanitizeMemoryUseAfterDtor = - Args.hasFlag(OPT_fsanitize_memory_use_after_dtor, - OPT_fno_sanitize_memory_use_after_dtor, - false); - Opts.SanitizeMinimalRuntime = Args.hasArg(OPT_fsanitize_minimal_runtime); - Opts.SanitizeCfiCrossDso = Args.hasArg(OPT_fsanitize_cfi_cross_dso); - Opts.SanitizeCfiICallGeneralizePointers = - Args.hasArg(OPT_fsanitize_cfi_icall_generalize_pointers); - Opts.SanitizeStats = Args.hasArg(OPT_fsanitize_stats); - if (Arg *A = Args.getLastArg( - OPT_fsanitize_address_poison_custom_array_cookie, - OPT_fno_sanitize_address_poison_custom_array_cookie)) { - Opts.SanitizeAddressPoisonCustomArrayCookie = - A->getOption().getID() == - OPT_fsanitize_address_poison_custom_array_cookie; - } - if (Arg *A = Args.getLastArg(OPT_fsanitize_address_use_after_scope, - OPT_fno_sanitize_address_use_after_scope)) { - Opts.SanitizeAddressUseAfterScope = - A->getOption().getID() == OPT_fsanitize_address_use_after_scope; - } - Opts.SanitizeAddressGlobalsDeadStripping = - Args.hasArg(OPT_fsanitize_address_globals_dead_stripping); - if (Arg *A = Args.getLastArg(OPT_fsanitize_address_use_odr_indicator, - OPT_fno_sanitize_address_use_odr_indicator)) { - Opts.SanitizeAddressUseOdrIndicator = - A->getOption().getID() == OPT_fsanitize_address_use_odr_indicator; - } - Opts.SSPBufferSize = - getLastArgIntValue(Args, OPT_stack_protector_buffer_size, 8, Diags); - Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); - if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { - StringRef Val = A->getValue(); - unsigned StackAlignment = Opts.StackAlignment; - Val.getAsInteger(10, StackAlignment); - Opts.StackAlignment = StackAlignment; - } - - if (Arg *A = Args.getLastArg(OPT_mstack_probe_size)) { - StringRef Val = A->getValue(); - unsigned StackProbeSize = Opts.StackProbeSize; - Val.getAsInteger(0, StackProbeSize); - Opts.StackProbeSize = StackProbeSize; - } - - Opts.NoStackArgProbe = Args.hasArg(OPT_mno_stack_arg_probe); - - if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { - StringRef Name = A->getValue(); - unsigned Method = llvm::StringSwitch<unsigned>(Name) - .Case("legacy", CodeGenOptions::Legacy) - .Case("non-legacy", CodeGenOptions::NonLegacy) - .Case("mixed", CodeGenOptions::Mixed) - .Default(~0U); - if (Method == ~0U) { - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; - Success = false; - } else { - Opts.setObjCDispatchMethod( - static_cast<CodeGenOptions::ObjCDispatchMethodKind>(Method)); - } - } - - - if (Args.hasArg(OPT_fno_objc_convert_messages_to_runtime_calls)) - Opts.ObjCConvertMessagesToRuntimeCalls = 0; - - if (Args.getLastArg(OPT_femulated_tls) || - Args.getLastArg(OPT_fno_emulated_tls)) { - Opts.ExplicitEmulatedTLS = true; - Opts.EmulatedTLS = - Args.hasFlag(OPT_femulated_tls, OPT_fno_emulated_tls, false); - } - - if (Arg *A = Args.getLastArg(OPT_ftlsmodel_EQ)) { - StringRef Name = A->getValue(); - unsigned Model = llvm::StringSwitch<unsigned>(Name) - .Case("global-dynamic", CodeGenOptions::GeneralDynamicTLSModel) - .Case("local-dynamic", CodeGenOptions::LocalDynamicTLSModel) - .Case("initial-exec", CodeGenOptions::InitialExecTLSModel) - .Case("local-exec", CodeGenOptions::LocalExecTLSModel) - .Default(~0U); - if (Model == ~0U) { - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; - Success = false; - } else { - Opts.setDefaultTLSModel(static_cast<CodeGenOptions::TLSModel>(Model)); - } - } - - if (Arg *A = Args.getLastArg(OPT_fdenormal_fp_math_EQ)) { - StringRef Val = A->getValue(); - if (Val == "ieee") - Opts.FPDenormalMode = "ieee"; - else if (Val == "preserve-sign") - Opts.FPDenormalMode = "preserve-sign"; - else if (Val == "positive-zero") - Opts.FPDenormalMode = "positive-zero"; - else - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val; - } - - if (Arg *A = Args.getLastArg(OPT_fpcc_struct_return, OPT_freg_struct_return)) { - if (A->getOption().matches(OPT_fpcc_struct_return)) { - Opts.setStructReturnConvention(CodeGenOptions::SRCK_OnStack); - } else { - assert(A->getOption().matches(OPT_freg_struct_return)); - Opts.setStructReturnConvention(CodeGenOptions::SRCK_InRegs); - } - } - - Opts.DependentLibraries = Args.getAllArgValues(OPT_dependent_lib); - Opts.LinkerOptions = Args.getAllArgValues(OPT_linker_option); - bool NeedLocTracking = false; - - Opts.OptRecordFile = Args.getLastArgValue(OPT_opt_record_file); - 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; - } - - if (Arg *A = Args.getLastArg(OPT_Rpass_EQ)) { - Opts.OptimizationRemarkPattern = - GenerateOptimizationRemarkRegex(Diags, Args, A); - NeedLocTracking = true; - } - - if (Arg *A = Args.getLastArg(OPT_Rpass_missed_EQ)) { - Opts.OptimizationRemarkMissedPattern = - GenerateOptimizationRemarkRegex(Diags, Args, A); - NeedLocTracking = true; - } - - if (Arg *A = Args.getLastArg(OPT_Rpass_analysis_EQ)) { - Opts.OptimizationRemarkAnalysisPattern = - GenerateOptimizationRemarkRegex(Diags, Args, A); - NeedLocTracking = true; - } - - Opts.DiagnosticsWithHotness = - Args.hasArg(options::OPT_fdiagnostics_show_hotness); - 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() != InputKind::LLVM_IR) - Diags.Report(diag::warn_drv_diagnostics_hotness_requires_pgo) - << "-fdiagnostics-show-hotness"; - - Opts.DiagnosticsHotnessThreshold = getLastArgUInt64Value( - Args, options::OPT_fdiagnostics_hotness_threshold_EQ, 0); - if (Opts.DiagnosticsHotnessThreshold > 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 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); - - Opts.RewriteMapFiles = Args.getAllArgValues(OPT_frewrite_map_file); - - // 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.CudaGpuBinaryFileName = - Args.getLastArgValue(OPT_fcuda_include_gpubinary); - - Opts.Backchain = Args.hasArg(OPT_mbackchain); - - Opts.EmitCheckPathComponentsToStrip = getLastArgIntValue( - Args, OPT_fsanitize_undefined_strip_path_components_EQ, 0, Diags); - - Opts.EmitVersionIdentMetadata = Args.hasFlag(OPT_Qy, OPT_Qn, true); - - Opts.Addrsig = Args.hasArg(OPT_faddrsig); - - if (Arg *A = Args.getLastArg(OPT_msign_return_address_EQ)) { - StringRef SignScope = A->getValue(); - - if (SignScope.equals_lower("none")) - Opts.setSignReturnAddress(CodeGenOptions::SignReturnAddressScope::None); - else if (SignScope.equals_lower("all")) - Opts.setSignReturnAddress(CodeGenOptions::SignReturnAddressScope::All); - else if (SignScope.equals_lower("non-leaf")) - Opts.setSignReturnAddress( - CodeGenOptions::SignReturnAddressScope::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_lower("a_key")) - Opts.setSignReturnAddressKey( - CodeGenOptions::SignReturnAddressKeyValue::AKey); - else if (SignKey.equals_lower("b_key")) - Opts.setSignReturnAddressKey( - CodeGenOptions::SignReturnAddressKeyValue::BKey); - else - Diags.Report(diag::err_drv_invalid_value) - << A->getAsString(Args) << SignKey; - } - } - } - - Opts.BranchTargetEnforcement = Args.hasArg(OPT_mbranch_target_enforce); - - Opts.KeepStaticConsts = Args.hasArg(OPT_fkeep_static_consts); - - Opts.SpeculativeLoadHardening = Args.hasArg(OPT_mspeculative_load_hardening); - - Opts.DefaultFunctionAttrs = Args.getAllArgValues(OPT_default_function_attr); - - Opts.PassPlugins = Args.getAllArgValues(OPT_fpass_plugin_EQ); - - Opts.SymbolPartition = Args.getLastArgValue(OPT_fsymbol_partition_EQ); - - return Success; -} - -static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, - ArgList &Args) { - Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); - Opts.Targets = Args.getAllArgValues(OPT_MT); - Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); - Opts.IncludeModuleFiles = Args.hasArg(OPT_module_file_deps); - Opts.UsePhonyTargets = Args.hasArg(OPT_MP); - Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); - Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); - Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); - 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 (Args.hasArg(options::OPT_E) || Args.hasArg(options::OPT_P)) - Opts.ShowIncludesDest = ShowIncludesDestination::Stderr; - else - Opts.ShowIncludesDest = ShowIncludesDestination::Stdout; - } else { - Opts.ShowIncludesDest = ShowIncludesDestination::None; - } - Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); - Opts.ModuleDependencyOutputDir = - Args.getLastArgValue(OPT_module_dependency_dir); - if (Args.hasArg(OPT_MV)) - Opts.OutputFormat = DependencyOutputFormat::NMake; - // Add sanitizer blacklists as extra dependencies. - // They won't be discovered by the regular preprocessor, so - // we let make / ninja to know about this implicit dependency. - Opts.ExtraDeps = Args.getAllArgValues(OPT_fdepfile_entry); - // Only the -fmodule-file=<file> form. - for (const auto *A : Args.filtered(OPT_fmodule_file)) { - StringRef Val = A->getValue(); - if (Val.find('=') == StringRef::npos) - Opts.ExtraDeps.push_back(Val); - } -} - -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; - if (Diags) { - Diags->Report(diag::err_drv_invalid_value) << "-verify=" << Prefix; - Diags->Report(diag::note_drv_verify_prefix_spelling); - } - } - } - return Success; -} - -bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, - DiagnosticsEngine *Diags, - bool DefaultDiagColor, bool DefaultShowOpt) { - bool Success = true; - - Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); - if (Arg *A = - Args.getLastArg(OPT_diagnostic_serialized_file, OPT__serialize_diags)) - Opts.DiagnosticSerializationFile = A->getValue(); - Opts.IgnoreWarnings = Args.hasArg(OPT_w); - Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); - Opts.Pedantic = Args.hasArg(OPT_pedantic); - Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); - Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); - Opts.ShowColors = parseShowColorsArgs(Args, DefaultDiagColor); - Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, - OPT_fno_show_column, - /*Default=*/true); - Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); - Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); - Opts.AbsolutePath = Args.hasArg(OPT_fdiagnostics_absolute_paths); - Opts.ShowOptionNames = - Args.hasFlag(OPT_fdiagnostics_show_option, - OPT_fno_diagnostics_show_option, DefaultShowOpt); - - llvm::sys::Process::UseANSIEscapeCodes(Args.hasArg(OPT_fansi_escape_codes)); - - // Default behavior is to not to show note include stacks. - Opts.ShowNoteIncludeStack = false; - if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, - OPT_fno_diagnostics_show_note_include_stack)) - if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) - Opts.ShowNoteIncludeStack = true; - - StringRef ShowOverloads = - Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); - if (ShowOverloads == "best") - Opts.setShowOverloads(Ovl_Best); - else if (ShowOverloads == "all") - Opts.setShowOverloads(Ovl_All); - else { - Success = false; - if (Diags) - Diags->Report(diag::err_drv_invalid_value) - << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) - << ShowOverloads; - } - - StringRef ShowCategory = - Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); - if (ShowCategory == "none") - Opts.ShowCategories = 0; - else if (ShowCategory == "id") - Opts.ShowCategories = 1; - else if (ShowCategory == "name") - Opts.ShowCategories = 2; - else { - Success = false; - if (Diags) - Diags->Report(diag::err_drv_invalid_value) - << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) - << ShowCategory; - } - - StringRef Format = - Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); - if (Format == "clang") - Opts.setFormat(DiagnosticOptions::Clang); - else if (Format == "msvc") - Opts.setFormat(DiagnosticOptions::MSVC); - else if (Format == "msvc-fallback") { - Opts.setFormat(DiagnosticOptions::MSVC); - Opts.CLFallbackMode = true; - } else if (Format == "vi") - Opts.setFormat(DiagnosticOptions::Vi); - else { - Success = false; - if (Diags) - Diags->Report(diag::err_drv_invalid_value) - << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) - << Format; - } - - Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); - Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); - Opts.ShowPresumedLoc = !Args.hasArg(OPT_fno_diagnostics_use_presumed_location); - 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; - Success = false; - } - else - llvm::sort(Opts.VerifyPrefixes); - DiagnosticLevelMask DiagMask = DiagnosticLevelMask::None; - Success &= 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); - Opts.ElideType = !Args.hasArg(OPT_fno_elide_type); - Opts.ShowTemplateTree = Args.hasArg(OPT_fdiagnostics_show_template_tree); - Opts.ErrorLimit = getLastArgIntValue(Args, OPT_ferror_limit, 0, Diags); - Opts.MacroBacktraceLimit = - getLastArgIntValue(Args, OPT_fmacro_backtrace_limit, - DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); - Opts.TemplateBacktraceLimit = getLastArgIntValue( - Args, OPT_ftemplate_backtrace_limit, - DiagnosticOptions::DefaultTemplateBacktraceLimit, Diags); - Opts.ConstexprBacktraceLimit = getLastArgIntValue( - Args, OPT_fconstexpr_backtrace_limit, - DiagnosticOptions::DefaultConstexprBacktraceLimit, Diags); - Opts.SpellCheckingLimit = getLastArgIntValue( - Args, OPT_fspell_checking_limit, - DiagnosticOptions::DefaultSpellCheckingLimit, Diags); - Opts.SnippetLineLimit = getLastArgIntValue( - Args, OPT_fcaret_diagnostics_max_lines, - DiagnosticOptions::DefaultSnippetLineLimit, Diags); - Opts.TabStop = getLastArgIntValue(Args, OPT_ftabstop, - DiagnosticOptions::DefaultTabStop, Diags); - if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { - Opts.TabStop = DiagnosticOptions::DefaultTabStop; - if (Diags) - Diags->Report(diag::warn_ignoring_ftabstop_value) - << Opts.TabStop << DiagnosticOptions::DefaultTabStop; - } - Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags); - addDiagnosticArgs(Args, OPT_W_Group, OPT_W_value_Group, Opts.Warnings); - addDiagnosticArgs(Args, OPT_R_Group, OPT_R_value_Group, Opts.Remarks); - - return Success; -} - -static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { - Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); -} - -/// 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 = 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 = Args[4]; - return false; -} - -static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, - DiagnosticsEngine &Diags, - bool &IsHeaderFile) { - Opts.ProgramAction = frontend::ParseSyntaxOnly; - if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { - switch (A->getOption().getID()) { - default: - llvm_unreachable("Invalid option in group!"); - case OPT_ast_list: - Opts.ProgramAction = frontend::ASTDeclList; break; - case OPT_ast_dump_all_EQ: - case 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; - } - LLVM_FALLTHROUGH; - } - case OPT_ast_dump: - case OPT_ast_dump_all: - case OPT_ast_dump_lookups: - Opts.ProgramAction = frontend::ASTDump; break; - case OPT_ast_print: - Opts.ProgramAction = frontend::ASTPrint; break; - case OPT_ast_view: - Opts.ProgramAction = frontend::ASTView; break; - case OPT_compiler_options_dump: - Opts.ProgramAction = frontend::DumpCompilerOptions; break; - case OPT_dump_raw_tokens: - Opts.ProgramAction = frontend::DumpRawTokens; break; - case OPT_dump_tokens: - Opts.ProgramAction = frontend::DumpTokens; break; - case OPT_S: - Opts.ProgramAction = frontend::EmitAssembly; break; - case OPT_emit_llvm_bc: - Opts.ProgramAction = frontend::EmitBC; break; - case OPT_emit_html: - Opts.ProgramAction = frontend::EmitHTML; break; - case OPT_emit_llvm: - Opts.ProgramAction = frontend::EmitLLVM; break; - case OPT_emit_llvm_only: - Opts.ProgramAction = frontend::EmitLLVMOnly; break; - case OPT_emit_codegen_only: - Opts.ProgramAction = frontend::EmitCodeGenOnly; break; - case OPT_emit_obj: - Opts.ProgramAction = frontend::EmitObj; break; - case OPT_fixit_EQ: - Opts.FixItSuffix = A->getValue(); - LLVM_FALLTHROUGH; - case OPT_fixit: - Opts.ProgramAction = frontend::FixIt; break; - case OPT_emit_module: - Opts.ProgramAction = frontend::GenerateModule; break; - case OPT_emit_module_interface: - Opts.ProgramAction = frontend::GenerateModuleInterface; break; - case OPT_emit_header_module: - Opts.ProgramAction = frontend::GenerateHeaderModule; break; - case OPT_emit_pch: - Opts.ProgramAction = frontend::GeneratePCH; break; - case OPT_emit_iterface_stubs: { - llvm::Optional<frontend::ActionKind> ProgramAction = - llvm::StringSwitch<llvm::Optional<frontend::ActionKind>>( - Args.hasArg(OPT_iterface_stub_version_EQ) - ? Args.getLastArgValue(OPT_iterface_stub_version_EQ) - : "") - .Case("experimental-yaml-elf-v1", - frontend::GenerateInterfaceYAMLExpV1) - .Case("experimental-tapi-elf-v1", - frontend::GenerateInterfaceTBEExpV1) - .Default(llvm::None); - if (!ProgramAction) - Diags.Report(diag::err_drv_invalid_value) - << "Must specify a valid interface stub format type using " - << "-interface-stub-version=<experimental-tapi-elf-v1 | " - "experimental-yaml-elf-v1>"; - Opts.ProgramAction = *ProgramAction; - break; - } - case OPT_init_only: - Opts.ProgramAction = frontend::InitOnly; break; - case OPT_fsyntax_only: - Opts.ProgramAction = frontend::ParseSyntaxOnly; break; - case OPT_module_file_info: - Opts.ProgramAction = frontend::ModuleFileInfo; break; - case OPT_verify_pch: - Opts.ProgramAction = frontend::VerifyPCH; break; - case OPT_print_preamble: - Opts.ProgramAction = frontend::PrintPreamble; break; - case OPT_E: - Opts.ProgramAction = frontend::PrintPreprocessedInput; break; - case OPT_templight_dump: - Opts.ProgramAction = frontend::TemplightDump; break; - case OPT_rewrite_macros: - Opts.ProgramAction = frontend::RewriteMacros; break; - case OPT_rewrite_objc: - Opts.ProgramAction = frontend::RewriteObjC; break; - case OPT_rewrite_test: - Opts.ProgramAction = frontend::RewriteTest; break; - case OPT_analyze: - Opts.ProgramAction = frontend::RunAnalysis; break; - case OPT_migrate: - Opts.ProgramAction = frontend::MigrateSource; break; - case OPT_Eonly: - Opts.ProgramAction = frontend::RunPreprocessorOnly; break; - case OPT_print_dependency_directives_minimized_source: - Opts.ProgramAction = - frontend::PrintDependencyDirectivesSourceMinimizerOutput; - break; - } - } - - if (const Arg* A = Args.getLastArg(OPT_plugin)) { - Opts.Plugins.emplace_back(A->getValue(0)); - Opts.ProgramAction = frontend::PluginAction; - Opts.ActionName = A->getValue(); - } - Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); - 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.DisableFree = Args.hasArg(OPT_disable_free); - - Opts.OutputFile = Args.getLastArgValue(OPT_o); - Opts.Plugins = Args.getAllArgValues(OPT_load); - Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); - Opts.ShowHelp = Args.hasArg(OPT_help); - Opts.ShowStats = Args.hasArg(OPT_print_stats); - Opts.ShowTimers = Args.hasArg(OPT_ftime_report); - Opts.PrintSupportedCPUs = Args.hasArg(OPT_print_supported_cpus); - Opts.TimeTrace = Args.hasArg(OPT_ftime_trace); - Opts.ShowVersion = Args.hasArg(OPT_version); - Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); - Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); - Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); - Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); - Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); - Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); - Opts.ASTDumpDecls = Args.hasArg(OPT_ast_dump, OPT_ast_dump_EQ); - Opts.ASTDumpAll = Args.hasArg(OPT_ast_dump_all, OPT_ast_dump_all_EQ); - Opts.ASTDumpFilter = Args.getLastArgValue(OPT_ast_dump_filter); - Opts.ASTDumpLookups = Args.hasArg(OPT_ast_dump_lookups); - Opts.UseGlobalModuleIndex = !Args.hasArg(OPT_fno_modules_global_index); - Opts.GenerateGlobalModuleIndex = Opts.UseGlobalModuleIndex; - Opts.ModuleMapFiles = Args.getAllArgValues(OPT_fmodule_map_file); - // Only the -fmodule-file=<file> form. - for (const auto *A : Args.filtered(OPT_fmodule_file)) { - StringRef Val = A->getValue(); - if (Val.find('=') == StringRef::npos) - Opts.ModuleFiles.push_back(Val); - } - Opts.ModulesEmbedFiles = Args.getAllArgValues(OPT_fmodules_embed_file_EQ); - Opts.ModulesEmbedAllFiles = Args.hasArg(OPT_fmodules_embed_all_files); - Opts.IncludeTimestamps = !Args.hasArg(OPT_fno_pch_timestamp); - - Opts.CodeCompleteOpts.IncludeMacros - = Args.hasArg(OPT_code_completion_macros); - Opts.CodeCompleteOpts.IncludeCodePatterns - = Args.hasArg(OPT_code_completion_patterns); - Opts.CodeCompleteOpts.IncludeGlobals - = !Args.hasArg(OPT_no_code_completion_globals); - Opts.CodeCompleteOpts.IncludeNamespaceLevelDecls - = !Args.hasArg(OPT_no_code_completion_ns_level_decls); - Opts.CodeCompleteOpts.IncludeBriefComments - = Args.hasArg(OPT_code_completion_brief_comments); - Opts.CodeCompleteOpts.IncludeFixIts - = Args.hasArg(OPT_code_completion_with_fixits); - - Opts.OverrideRecordLayoutsFile - = Args.getLastArgValue(OPT_foverride_record_layout_EQ); - Opts.AuxTriple = Args.getLastArgValue(OPT_aux_triple); - Opts.StatsFile = Args.getLastArgValue(OPT_stats_file); - - if (const Arg *A = Args.getLastArg(OPT_arcmt_check, - OPT_arcmt_modify, - OPT_arcmt_migrate)) { - switch (A->getOption().getID()) { - default: - llvm_unreachable("missed a case"); - case OPT_arcmt_check: - Opts.ARCMTAction = FrontendOptions::ARCMT_Check; - break; - case OPT_arcmt_modify: - Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; - break; - case OPT_arcmt_migrate: - Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; - break; - } - } - Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); - Opts.ARCMTMigrateReportOut - = Args.getLastArgValue(OPT_arcmt_migrate_report_output); - Opts.ARCMTMigrateEmitARCErrors - = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); - - if (Args.hasArg(OPT_objcmt_migrate_literals)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; - if (Args.hasArg(OPT_objcmt_migrate_subscripting)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; - if (Args.hasArg(OPT_objcmt_migrate_property_dot_syntax)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_PropertyDotSyntax; - if (Args.hasArg(OPT_objcmt_migrate_property)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Property; - if (Args.hasArg(OPT_objcmt_migrate_readonly_property)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReadonlyProperty; - if (Args.hasArg(OPT_objcmt_migrate_readwrite_property)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReadwriteProperty; - if (Args.hasArg(OPT_objcmt_migrate_annotation)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Annotation; - if (Args.hasArg(OPT_objcmt_returns_innerpointer_property)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReturnsInnerPointerProperty; - if (Args.hasArg(OPT_objcmt_migrate_instancetype)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Instancetype; - if (Args.hasArg(OPT_objcmt_migrate_nsmacros)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_NsMacros; - if (Args.hasArg(OPT_objcmt_migrate_protocol_conformance)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ProtocolConformance; - if (Args.hasArg(OPT_objcmt_atomic_property)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_AtomicProperty; - if (Args.hasArg(OPT_objcmt_ns_nonatomic_iosonly)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_NsAtomicIOSOnlyProperty; - if (Args.hasArg(OPT_objcmt_migrate_designated_init)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_DesignatedInitializer; - if (Args.hasArg(OPT_objcmt_migrate_all)) - Opts.ObjCMTAction |= FrontendOptions::ObjCMT_MigrateDecls; - - Opts.ObjCMTWhiteListPath = Args.getLastArgValue(OPT_objcmt_whitelist_dir_path); - - 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(InputKind::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.consume_back("-header"); - - // Principal languages. - DashX = llvm::StringSwitch<InputKind>(XValue) - .Case("c", InputKind::C) - .Case("cl", InputKind::OpenCL) - .Case("cuda", InputKind::CUDA) - .Case("hip", InputKind::HIP) - .Case("c++", InputKind::CXX) - .Case("objective-c", InputKind::ObjC) - .Case("objective-c++", InputKind::ObjCXX) - .Case("renderscript", InputKind::RenderScript) - .Default(InputKind::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", InputKind::ObjC) - .Case("objc++", InputKind::ObjCXX) - .Default(InputKind::Unknown); - - // Some special cases cannot be combined with suffixes. - if (DashX.isUnknown() && !Preprocessed && !ModuleMap && !IsHeaderFile) - DashX = llvm::StringSwitch<InputKind>(XValue) - .Case("cpp-output", InputKind(InputKind::C).getPreprocessed()) - .Case("assembler-with-cpp", InputKind::Asm) - .Cases("ast", "pcm", - InputKind(InputKind::Unknown, InputKind::Precompiled)) - .Case("ir", InputKind::LLVM_IR) - .Default(InputKind::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 = InputKind::C; - // FIXME: Remove this hack. - if (i == 0) - DashX = IK; - } - - // The -emit-module action implicitly takes a module map. - if (Opts.ProgramAction == frontend::GenerateModule && - IK.getFormat() == InputKind::Source) - IK = IK.withFormat(InputKind::ModuleMap); - - Opts.Inputs.emplace_back(std::move(Inputs[i]), IK); - } - - return DashX; -} - -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 ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args, - const std::string &WorkingDir) { - Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); - Opts.Verbose = Args.hasArg(OPT_v); - Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); - Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); - Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); - if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) - Opts.UseLibcxx = (strcmp(A->getValue(), "libc++") == 0); - Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); - - // 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 = P.str(); - - Opts.ModuleUserBuildPath = Args.getLastArgValue(OPT_fmodules_user_build_path); - // Only the -fmodule-file=<name>=<file> form. - for (const auto *A : Args.filtered(OPT_fmodule_file)) { - StringRef Val = A->getValue(); - if (Val.find('=') != StringRef::npos) - Opts.PrebuiltModuleFiles.insert(Val.split('=')); - } - for (const auto *A : Args.filtered(OPT_fprebuilt_module_path)) - Opts.AddPrebuiltModulePath(A->getValue()); - Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); - Opts.ModulesHashContent = Args.hasArg(OPT_fmodules_hash_content); - Opts.ModulesValidateDiagnosticOptions = - !Args.hasArg(OPT_fmodules_disable_diagnostic_validation); - Opts.ImplicitModuleMaps = Args.hasArg(OPT_fimplicit_module_maps); - Opts.ModuleMapFileHomeIsCwd = Args.hasArg(OPT_fmodule_map_file_home_is_cwd); - Opts.ModuleCachePruneInterval = - getLastArgIntValue(Args, OPT_fmodules_prune_interval, 7 * 24 * 60 * 60); - Opts.ModuleCachePruneAfter = - getLastArgIntValue(Args, OPT_fmodules_prune_after, 31 * 24 * 60 * 60); - Opts.ModulesValidateOncePerBuildSession = - Args.hasArg(OPT_fmodules_validate_once_per_build_session); - Opts.BuildSessionTimestamp = - getLastArgUInt64Value(Args, OPT_fbuild_session_timestamp, 0); - Opts.ModulesValidateSystemHeaders = - Args.hasArg(OPT_fmodules_validate_system_headers); - if (const Arg *A = Args.getLastArg(OPT_fmodule_format_EQ)) - Opts.ModuleFormat = 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 = 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()); -} - -void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, - const llvm::Triple &T, - PreprocessorOptions &PPOpts, - 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() == InputKind::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 InputKind::Unknown: - case InputKind::LLVM_IR: - llvm_unreachable("Invalid input kind!"); - case InputKind::OpenCL: - LangStd = LangStandard::lang_opencl10; - break; - case InputKind::CUDA: - LangStd = LangStandard::lang_cuda; - break; - case InputKind::Asm: - case InputKind::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_gnu11; -#endif - break; - case InputKind::ObjC: -#if defined(CLANG_DEFAULT_STD_C) - LangStd = CLANG_DEFAULT_STD_C; -#else - LangStd = LangStandard::lang_gnu11; -#endif - break; - case InputKind::CXX: - case InputKind::ObjCXX: -#if defined(CLANG_DEFAULT_STD_CXX) - LangStd = CLANG_DEFAULT_STD_CXX; -#else - LangStd = LangStandard::lang_gnucxx14; -#endif - break; - case InputKind::RenderScript: - LangStd = LangStandard::lang_c99; - break; - case InputKind::HIP: - LangStd = LangStandard::lang_hip; - break; - } - } - - const LangStandard &Std = LangStandard::getLangStandardForKind(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.CPlusPlus2a = Std.isCPlusPlus2a(); - Opts.Digraphs = Std.hasDigraphs(); - Opts.GNUMode = Std.isGNUMode(); - Opts.GNUInline = !Opts.C99 && !Opts.CPlusPlus; - 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_openclcpp) - Opts.OpenCLCPlusPlusVersion = 100; - - // OpenCL has some additional defaults. - if (Opts.OpenCL) { - Opts.AltiVec = 0; - Opts.ZVector = 0; - Opts.LaxVectorConversions = 0; - Opts.setDefaultFPContractMode(LangOptions::FPC_On); - Opts.NativeHalfType = 1; - Opts.NativeHalfArgsAndReturns = 1; - Opts.OpenCLCPlusPlus = Opts.CPlusPlus; - - // Include default header file for OpenCL. - if (Opts.IncludeDefaultHeader) { - if (Opts.DeclareOpenCLBuiltins) { - // Only include base header file for builtin types and constants. - PPOpts.Includes.push_back("opencl-c-base.h"); - } else { - PPOpts.Includes.push_back("opencl-c.h"); - } - } - } - - Opts.HIP = IK.getLanguage() == InputKind::HIP; - Opts.CUDA = IK.getLanguage() == InputKind::CUDA || Opts.HIP; - if (Opts.CUDA) - // Set default FP_CONTRACT to FAST. - Opts.setDefaultFPContractMode(LangOptions::FPC_Fast); - - Opts.RenderScript = IK.getLanguage() == InputKind::RenderScript; - if (Opts.RenderScript) { - Opts.NativeHalfType = 1; - Opts.NativeHalfArgsAndReturns = 1; - } - - // OpenCL and C++ both have bool, true, false keywords. - Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; - - // OpenCL has half keyword - Opts.Half = Opts.OpenCL; - - // C++ has wchar_t keyword. - Opts.WChar = Opts.CPlusPlus; - - Opts.GNUKeywords = Opts.GNUMode; - Opts.CXXOperatorNames = Opts.CPlusPlus; - - Opts.AlignedAllocation = Opts.CPlusPlus17; - - Opts.DollarIdents = !Opts.AsmPreprocessor; - - // Enable [[]] attributes in C++11 and C2x by default. - Opts.DoubleSquareBracketAttributes = Opts.CPlusPlus11 || Opts.C2x; -} - -/// Attempt to parse a visibility value out of the given argument. -static Visibility parseVisibility(Arg *arg, ArgList &args, - DiagnosticsEngine &diags) { - StringRef value = arg->getValue(); - if (value == "default") { - return DefaultVisibility; - } else if (value == "hidden" || value == "internal") { - return HiddenVisibility; - } else if (value == "protected") { - // FIXME: diagnose if target does not support protected visibility - return ProtectedVisibility; - } - - diags.Report(diag::err_drv_invalid_value) - << arg->getAsString(args) << value; - return DefaultVisibility; -} - -/// Check if input file kind and language standard are compatible. -static bool IsInputCompatibleWithStandard(InputKind IK, - const LangStandard &S) { - switch (IK.getLanguage()) { - case InputKind::Unknown: - case InputKind::LLVM_IR: - llvm_unreachable("should not parse language flags for this input"); - - case InputKind::C: - case InputKind::ObjC: - case InputKind::RenderScript: - return S.getLanguage() == InputKind::C; - - case InputKind::OpenCL: - return S.getLanguage() == InputKind::OpenCL; - - case InputKind::CXX: - case InputKind::ObjCXX: - return S.getLanguage() == InputKind::CXX; - - case InputKind::CUDA: - // FIXME: What -std= values should be permitted for CUDA compilations? - return S.getLanguage() == InputKind::CUDA || - S.getLanguage() == InputKind::CXX; - - case InputKind::HIP: - return S.getLanguage() == InputKind::CXX || - S.getLanguage() == InputKind::HIP; - - case InputKind::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 const StringRef GetInputKindName(InputKind IK) { - switch (IK.getLanguage()) { - case InputKind::C: - return "C"; - case InputKind::ObjC: - return "Objective-C"; - case InputKind::CXX: - return "C++"; - case InputKind::ObjCXX: - return "Objective-C++"; - case InputKind::OpenCL: - return "OpenCL"; - case InputKind::CUDA: - return "CUDA"; - case InputKind::RenderScript: - return "RenderScript"; - case InputKind::HIP: - return "HIP"; - - case InputKind::Asm: - return "Asm"; - case InputKind::LLVM_IR: - return "LLVM IR"; - - case InputKind::Unknown: - break; - } - llvm_unreachable("unknown input language"); -} - -static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, - const TargetOptions &TargetOpts, - PreprocessorOptions &PPOpts, - DiagnosticsEngine &Diags) { - // FIXME: Cleanup per-file based stuff. - LangStandard::Kind LangStd = LangStandard::lang_unspecified; - if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { - LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue()) -#define LANGSTANDARD(id, name, lang, desc, features) \ - .Case(name, LangStandard::lang_##id) -#define LANGSTANDARD_ALIAS(id, alias) \ - .Case(alias, LangStandard::lang_##id) -#include "clang/Frontend/LangStandards.def" - .Default(LangStandard::lang_unspecified); - 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/Frontend/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/Frontend/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); - } - } - } - - if (Args.hasArg(OPT_fno_dllexport_inlines)) - Opts.DllExportInlines = false; - - if (const Arg *A = Args.getLastArg(OPT_fcf_protection_EQ)) { - StringRef Name = A->getValue(); - if (Name == "full" || Name == "branch") { - Opts.CFProtectionBranch = 1; - } - } - // -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("cl1.1", "CL1.1", LangStandard::lang_opencl11) - .Cases("cl1.2", "CL1.2", LangStandard::lang_opencl12) - .Cases("cl2.0", "CL2.0", LangStandard::lang_opencl20) - .Cases("clc++", "CLC++", LangStandard::lang_openclcpp) - .Default(LangStandard::lang_unspecified); - - if (OpenCLLangStd == LangStandard::lang_unspecified) { - Diags.Report(diag::err_drv_invalid_value) - << A->getAsString(Args) << A->getValue(); - } - else - LangStd = OpenCLLangStd; - } - - Opts.IncludeDefaultHeader = Args.hasArg(OPT_finclude_default_header); - Opts.DeclareOpenCLBuiltins = Args.hasArg(OPT_fdeclare_opencl_builtins); - - llvm::Triple T(TargetOpts.Triple); - CompilerInvocation::setLangDefaults(Opts, IK, T, PPOpts, LangStd); - - // -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) - && Opts.OpenCLVersion > 100) { - Diags.Report(diag::warn_option_invalid_ocl_version) - << Opts.getOpenCLVersionTuple().getAsString() - << Args.getLastArg(OPT_cl_strict_aliasing)->getAsString(Args); - } - - // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension - // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, - // while a subset (the non-C++ GNU keywords) is provided by GCC's - // '-fgnu-keywords'. Clang conflates the two for simplicity under the single - // name, as it doesn't seem a useful distinction. - Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, - Opts.GNUKeywords); - - Opts.Digraphs = Args.hasFlag(OPT_fdigraphs, OPT_fno_digraphs, Opts.Digraphs); - - if (Args.hasArg(OPT_fno_operator_names)) - Opts.CXXOperatorNames = 0; - - if (Args.hasArg(OPT_fcuda_is_device)) - Opts.CUDAIsDevice = 1; - - if (Args.hasArg(OPT_fcuda_allow_variadic_functions)) - Opts.CUDAAllowVariadicFunctions = 1; - - if (Args.hasArg(OPT_fno_cuda_host_device_constexpr)) - Opts.CUDAHostDeviceConstexpr = 0; - - if (Opts.CUDAIsDevice && Args.hasArg(OPT_fcuda_approx_transcendentals)) - Opts.CUDADeviceApproxTranscendentals = 1; - - Opts.GPURelocatableDeviceCode = Args.hasArg(OPT_fgpu_rdc); - - 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_fno_objc_infer_related_result_type)) - Opts.ObjCInferRelatedResultType = 0; - - if (Args.hasArg(OPT_fobjc_subscripting_legacy_runtime)) - Opts.ObjCSubscriptingLegacyRuntime = - (Opts.ObjCRuntime.getKind() == ObjCRuntime::FragileMacOSX); - } - - if (Args.hasArg(OPT_fgnu89_inline)) { - if (Opts.CPlusPlus) - Diags.Report(diag::err_drv_argument_not_allowed_with) - << "-fgnu89-inline" << GetInputKindName(IK); - else - Opts.GNUInline = 1; - } - - if (Args.hasArg(OPT_fapple_kext)) { - if (!Opts.CPlusPlus) - Diags.Report(diag::warn_c_kext); - else - Opts.AppleKext = 1; - } - - if (Args.hasArg(OPT_print_ivar_layout)) - Opts.ObjCGCBitmapPrint = 1; - - if (Args.hasArg(OPT_fno_constant_cfstrings)) - Opts.NoConstantCFStrings = 1; - if (const auto *A = Args.getLastArg(OPT_fcf_runtime_abi_EQ)) - Opts.CFRuntime = - llvm::StringSwitch<LangOptions::CoreFoundationABI>(A->getValue()) - .Cases("unspecified", "standalone", "objc", - LangOptions::CoreFoundationABI::ObjectiveC) - .Cases("swift", "swift-5.0", - LangOptions::CoreFoundationABI::Swift5_0) - .Case("swift-4.2", LangOptions::CoreFoundationABI::Swift4_2) - .Case("swift-4.1", LangOptions::CoreFoundationABI::Swift4_1) - .Default(LangOptions::CoreFoundationABI::ObjectiveC); - - if (Args.hasArg(OPT_fzvector)) - Opts.ZVector = 1; - - if (Args.hasArg(OPT_pthread)) - Opts.POSIXThreads = 1; - - // The value-visibility mode defaults to "default". - if (Arg *visOpt = Args.getLastArg(OPT_fvisibility)) { - Opts.setValueVisibilityMode(parseVisibility(visOpt, Args, Diags)); - } else { - Opts.setValueVisibilityMode(DefaultVisibility); - } - - // The type-visibility mode defaults to the value-visibility mode. - if (Arg *typeVisOpt = Args.getLastArg(OPT_ftype_visibility)) { - Opts.setTypeVisibilityMode(parseVisibility(typeVisOpt, Args, Diags)); - } else { - Opts.setTypeVisibilityMode(Opts.getValueVisibilityMode()); - } - - if (Args.hasArg(OPT_fvisibility_inlines_hidden)) - Opts.InlineVisibilityHidden = 1; - - if (Args.hasArg(OPT_fvisibility_global_new_delete_hidden)) - Opts.GlobalAllocationFunctionVisibilityHidden = 1; - - if (Args.hasArg(OPT_fapply_global_visibility_to_externs)) - Opts.SetVisibilityForExternDecls = 1; - - if (Args.hasArg(OPT_ftrapv)) { - Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); - // Set the handler, if one is specified. - Opts.OverflowHandler = - Args.getLastArgValue(OPT_ftrapv_handler); - } - else if (Args.hasArg(OPT_fwrapv)) - Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); - - Opts.MSVCCompat = Args.hasArg(OPT_fms_compatibility); - Opts.MicrosoftExt = Opts.MSVCCompat || Args.hasArg(OPT_fms_extensions); - Opts.AsmBlocks = Args.hasArg(OPT_fasm_blocks) || Opts.MicrosoftExt; - 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. - Opts.Trigraphs = !Opts.GNUMode && !Opts.MSVCCompat && !Opts.CPlusPlus17; - Opts.Trigraphs = - Args.hasFlag(OPT_ftrigraphs, OPT_fno_trigraphs, Opts.Trigraphs); - - Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, - OPT_fno_dollars_in_identifiers, - Opts.DollarIdents); - Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); - Opts.VtorDispMode = getLastArgIntValue(Args, OPT_vtordisp_mode_EQ, 1, Diags); - Opts.Borland = Args.hasArg(OPT_fborland_extensions); - Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); - Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, - Opts.ConstStrings); - if (Args.hasArg(OPT_fno_lax_vector_conversions)) - Opts.LaxVectorConversions = 0; - if (Args.hasArg(OPT_fno_threadsafe_statics)) - Opts.ThreadsafeStatics = 0; - Opts.Exceptions = Args.hasArg(OPT_fexceptions); - Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); - Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); - - // -ffixed-point - Opts.FixedPoint = - Args.hasFlag(OPT_ffixed_point, OPT_fno_fixed_point, /*Default=*/false) && - !Opts.CPlusPlus; - Opts.PaddingOnUnsignedFixedPoint = - Args.hasFlag(OPT_fpadding_on_unsigned_fixed_point, - OPT_fno_padding_on_unsigned_fixed_point, - /*Default=*/false) && - Opts.FixedPoint; - - // Handle exception personalities - Arg *A = Args.getLastArg(options::OPT_fsjlj_exceptions, - options::OPT_fseh_exceptions, - options::OPT_fdwarf_exceptions); - if (A) { - const Option &Opt = A->getOption(); - llvm::Triple T(TargetOpts.Triple); - if (T.isWindowsMSVCEnvironment()) - Diags.Report(diag::err_fe_invalid_exception_model) - << Opt.getName() << T.str(); - - Opts.SjLjExceptions = Opt.matches(options::OPT_fsjlj_exceptions); - Opts.SEHExceptions = Opt.matches(options::OPT_fseh_exceptions); - Opts.DWARFExceptions = Opt.matches(options::OPT_fdwarf_exceptions); - } - - Opts.ExternCNoUnwind = Args.hasArg(OPT_fexternc_nounwind); - Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); - - Opts.RTTI = Opts.CPlusPlus && !Args.hasArg(OPT_fno_rtti); - Opts.RTTIData = Opts.RTTI && !Args.hasArg(OPT_fno_rtti_data); - Opts.Blocks = Args.hasArg(OPT_fblocks) || (Opts.OpenCL - && Opts.OpenCLVersion == 200); - Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); - Opts.Coroutines = Opts.CPlusPlus2a || Args.hasArg(OPT_fcoroutines_ts); - - Opts.DoubleSquareBracketAttributes = - Args.hasFlag(OPT_fdouble_square_bracket_attributes, - OPT_fno_double_square_bracket_attributes, - Opts.DoubleSquareBracketAttributes); - - Opts.CPlusPlusModules = Opts.CPlusPlus2a; - Opts.ModulesTS = Args.hasArg(OPT_fmodules_ts); - Opts.Modules = - Args.hasArg(OPT_fmodules) || Opts.ModulesTS || Opts.CPlusPlusModules; - Opts.ModulesStrictDeclUse = Args.hasArg(OPT_fmodules_strict_decluse); - Opts.ModulesDeclUse = - Args.hasArg(OPT_fmodules_decluse) || Opts.ModulesStrictDeclUse; - // FIXME: We only need this in C++ modules / Modules TS if we might textually - // enter a different module (eg, when building a header unit). - Opts.ModulesLocalVisibility = - Args.hasArg(OPT_fmodules_local_submodule_visibility) || Opts.ModulesTS || - Opts.CPlusPlusModules; - Opts.ModulesCodegen = Args.hasArg(OPT_fmodules_codegen); - Opts.ModulesDebugInfo = Args.hasArg(OPT_fmodules_debuginfo); - Opts.ModulesSearchAll = Opts.Modules && - !Args.hasArg(OPT_fno_modules_search_all) && - Args.hasArg(OPT_fmodules_search_all); - Opts.ModulesErrorRecovery = !Args.hasArg(OPT_fno_modules_error_recovery); - Opts.ImplicitModules = !Args.hasArg(OPT_fno_implicit_modules); - Opts.CharIsSigned = Opts.OpenCL || !Args.hasArg(OPT_fno_signed_char); - Opts.WChar = Opts.CPlusPlus && !Args.hasArg(OPT_fno_wchar); - Opts.Char8 = Args.hasFlag(OPT_fchar8__t, OPT_fno_char8__t, Opts.CPlusPlus2a); - if (const Arg *A = Args.getLastArg(OPT_fwchar_type_EQ)) { - Opts.WCharSize = llvm::StringSwitch<unsigned>(A->getValue()) - .Case("char", 1) - .Case("short", 2) - .Case("int", 4) - .Default(0); - if (Opts.WCharSize == 0) - Diags.Report(diag::err_fe_invalid_wchar_type) << A->getValue(); - } - Opts.WCharIsSigned = Args.hasFlag(OPT_fsigned_wchar, OPT_fno_signed_wchar, true); - Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); - Opts.Freestanding = Args.hasArg(OPT_ffreestanding); - Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; - if (!Opts.NoBuiltin) - getAllNoBuiltinFuncValues(Args, Opts.NoBuiltinFuncs); - Opts.NoMathBuiltin = Args.hasArg(OPT_fno_math_builtin); - Opts.RelaxedTemplateTemplateArgs = - Args.hasArg(OPT_frelaxed_template_template_args); - Opts.SizedDeallocation = Args.hasArg(OPT_fsized_deallocation); - Opts.AlignedAllocation = - Args.hasFlag(OPT_faligned_allocation, OPT_fno_aligned_allocation, - Opts.AlignedAllocation); - Opts.AlignedAllocationUnavailable = - Opts.AlignedAllocation && Args.hasArg(OPT_aligned_alloc_unavailable); - Opts.NewAlignOverride = - getLastArgIntValue(Args, OPT_fnew_alignment_EQ, 0, Diags); - if (Opts.NewAlignOverride && !llvm::isPowerOf2_32(Opts.NewAlignOverride)) { - Arg *A = Args.getLastArg(OPT_fnew_alignment_EQ); - Diags.Report(diag::err_fe_invalid_alignment) << A->getAsString(Args) - << A->getValue(); - Opts.NewAlignOverride = 0; - } - Opts.ConceptsTS = Args.hasArg(OPT_fconcepts_ts); - Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); - Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); - Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); - Opts.MathErrno = !Opts.OpenCL && Args.hasArg(OPT_fmath_errno); - Opts.InstantiationDepth = - getLastArgIntValue(Args, OPT_ftemplate_depth, 1024, Diags); - Opts.ArrowDepth = - getLastArgIntValue(Args, OPT_foperator_arrow_depth, 256, Diags); - Opts.ConstexprCallDepth = - getLastArgIntValue(Args, OPT_fconstexpr_depth, 512, Diags); - Opts.ConstexprStepLimit = - getLastArgIntValue(Args, OPT_fconstexpr_steps, 1048576, Diags); - Opts.BracketDepth = getLastArgIntValue(Args, OPT_fbracket_depth, 256, Diags); - Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); - Opts.NumLargeByValueCopy = - getLastArgIntValue(Args, OPT_Wlarge_by_value_copy_EQ, 0, Diags); - Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); - Opts.ObjCConstantStringClass = - Args.getLastArgValue(OPT_fconstant_string_class); - Opts.ObjCDefaultSynthProperties = - !Args.hasArg(OPT_disable_objc_default_synthesize_properties); - Opts.EncodeExtendedBlockSig = - Args.hasArg(OPT_fencode_extended_block_signature); - Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); - Opts.PackStruct = getLastArgIntValue(Args, OPT_fpack_struct_EQ, 0, Diags); - Opts.MaxTypeAlign = getLastArgIntValue(Args, OPT_fmax_type_align_EQ, 0, Diags); - Opts.AlignDouble = Args.hasArg(OPT_malign_double); - Opts.LongDoubleSize = Args.hasArg(OPT_mlong_double_128) - ? 128 - : Args.hasArg(OPT_mlong_double_64) ? 64 : 0; - Opts.PPCIEEELongDouble = Args.hasArg(OPT_mabi_EQ_ieeelongdouble); - Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); - Opts.ROPI = Args.hasArg(OPT_fropi); - Opts.RWPI = Args.hasArg(OPT_frwpi); - Opts.PIE = Args.hasArg(OPT_pic_is_pie); - Opts.Static = Args.hasArg(OPT_static_define); - Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); - Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple - || Args.hasArg(OPT_fdump_record_layouts); - Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); - Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); - Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); - Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); - Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); - Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); - Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); - Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); - Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); - Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); - Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); - Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); - Opts.ModuleName = Args.getLastArgValue(OPT_fmodule_name_EQ); - Opts.CurrentModule = Opts.ModuleName; - Opts.AppExt = Args.hasArg(OPT_fapplication_extension); - Opts.ModuleFeatures = Args.getAllArgValues(OPT_fmodule_feature); - llvm::sort(Opts.ModuleFeatures); - Opts.NativeHalfType |= Args.hasArg(OPT_fnative_half_type); - Opts.NativeHalfArgsAndReturns |= Args.hasArg(OPT_fnative_half_arguments_and_returns); - // Enable HalfArgsAndReturns if present in Args or if NativeHalfArgsAndReturns - // is enabled. - Opts.HalfArgsAndReturns = Args.hasArg(OPT_fallow_half_arguments_and_returns) - | Opts.NativeHalfArgsAndReturns; - Opts.GNUAsm = !Args.hasArg(OPT_fno_gnu_inline_asm); - Opts.Cmse = Args.hasArg(OPT_mcmse); // Armv8-M Security Extensions - - // __declspec is enabled by default for the PS4 by the driver, and also - // enabled for Microsoft Extensions or Borland Extensions, here. - // - // FIXME: __declspec is also currently enabled for CUDA, but isn't really a - // CUDA extension. However, it is required for supporting - // __clang_cuda_builtin_vars.h, which uses __declspec(property). Once that has - // been rewritten in terms of something more generic, remove the Opts.CUDA - // term here. - Opts.DeclSpecKeyword = - Args.hasFlag(OPT_fdeclspec, OPT_fno_declspec, - (Opts.MicrosoftExt || Opts.Borland || Opts.CUDA)); - - if (Arg *A = Args.getLastArg(OPT_faddress_space_map_mangling_EQ)) { - switch (llvm::StringSwitch<unsigned>(A->getValue()) - .Case("target", LangOptions::ASMM_Target) - .Case("no", LangOptions::ASMM_Off) - .Case("yes", LangOptions::ASMM_On) - .Default(255)) { - default: - Diags.Report(diag::err_drv_invalid_value) - << "-faddress-space-map-mangling=" << A->getValue(); - break; - case LangOptions::ASMM_Target: - Opts.setAddressSpaceMapMangling(LangOptions::ASMM_Target); - break; - case LangOptions::ASMM_On: - Opts.setAddressSpaceMapMangling(LangOptions::ASMM_On); - break; - case LangOptions::ASMM_Off: - Opts.setAddressSpaceMapMangling(LangOptions::ASMM_Off); - break; - } - } - - if (Arg *A = Args.getLastArg(OPT_fms_memptr_rep_EQ)) { - LangOptions::PragmaMSPointersToMembersKind InheritanceModel = - llvm::StringSwitch<LangOptions::PragmaMSPointersToMembersKind>( - A->getValue()) - .Case("single", - LangOptions::PPTMK_FullGeneralitySingleInheritance) - .Case("multiple", - LangOptions::PPTMK_FullGeneralityMultipleInheritance) - .Case("virtual", - LangOptions::PPTMK_FullGeneralityVirtualInheritance) - .Default(LangOptions::PPTMK_BestCase); - if (InheritanceModel == LangOptions::PPTMK_BestCase) - Diags.Report(diag::err_drv_invalid_value) - << "-fms-memptr-rep=" << A->getValue(); - - Opts.setMSPointerToMemberRepresentationMethod(InheritanceModel); - } - - // Check for MS default calling conventions being specified. - if (Arg *A = Args.getLastArg(OPT_fdefault_calling_conv_EQ)) { - LangOptions::DefaultCallingConvention DefaultCC = - llvm::StringSwitch<LangOptions::DefaultCallingConvention>(A->getValue()) - .Case("cdecl", LangOptions::DCC_CDecl) - .Case("fastcall", LangOptions::DCC_FastCall) - .Case("stdcall", LangOptions::DCC_StdCall) - .Case("vectorcall", LangOptions::DCC_VectorCall) - .Case("regcall", LangOptions::DCC_RegCall) - .Default(LangOptions::DCC_None); - if (DefaultCC == LangOptions::DCC_None) - Diags.Report(diag::err_drv_invalid_value) - << "-fdefault-calling-conv=" << A->getValue(); - - llvm::Triple T(TargetOpts.Triple); - llvm::Triple::ArchType Arch = T.getArch(); - bool emitError = (DefaultCC == LangOptions::DCC_FastCall || - DefaultCC == LangOptions::DCC_StdCall) && - Arch != llvm::Triple::x86; - emitError |= (DefaultCC == LangOptions::DCC_VectorCall || - DefaultCC == LangOptions::DCC_RegCall) && - !(Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64); - if (emitError) - Diags.Report(diag::err_drv_argument_not_allowed_with) - << A->getSpelling() << T.getTriple(); - else - Opts.setDefaultCallingConv(DefaultCC); - } - - // -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 { - llvm::Triple T(TargetOpts.Triple); - 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. - Opts.OpenMP = Args.hasArg(options::OPT_fopenmp) ? 1 : 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); - bool IsTargetSpecified = - Opts.OpenMPIsDevice || Args.hasArg(options::OPT_fopenmp_targets_EQ); - - if (Opts.OpenMP || Opts.OpenMPSimd) { - if (int Version = getLastArgIntValue( - Args, OPT_fopenmp_version_EQ, - (IsSimdSpecified || IsTargetSpecified) ? 45 : Opts.OpenMP, Diags)) - Opts.OpenMP = Version; - else if (IsSimdSpecified || IsTargetSpecified) - Opts.OpenMP = 45; - // 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) - << TargetOpts.Triple; - break; - } - } - } - - // Set the flag to prevent the implementation from emitting device exception - // handling code for those requiring so. - if ((Opts.OpenMPIsDevice && T.isNVPTX()) || 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); - } - - // Prevent auto-widening the representation of loop counters during an - // OpenMP collapse clause. - Opts.OpenMPOptimisticCollapse = - Args.hasArg(options::OPT_fopenmp_optimistic_collapse) ? 1 : 0; - - // Get the OpenMP target triples if any. - if (Arg *A = Args.getLastArg(options::OPT_fopenmp_targets_EQ)) { - - for (unsigned i = 0; i < A->getNumValues(); ++i) { - llvm::Triple TT(A->getValue(i)); - - if (TT.getArch() == llvm::Triple::UnknownArch || - !(TT.getArch() == llvm::Triple::ppc || - TT.getArch() == llvm::Triple::ppc64 || - TT.getArch() == llvm::Triple::ppc64le || - TT.getArch() == llvm::Triple::nvptx || - TT.getArch() == llvm::Triple::nvptx64 || - TT.getArch() == llvm::Triple::x86 || - TT.getArch() == llvm::Triple::x86_64)) - Diags.Report(diag::err_drv_invalid_omp_target) << A->getValue(i); - 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; - } - - Opts.SYCLIsDevice = Args.hasArg(options::OPT_fsycl_is_device); - - // Set CUDA mode for OpenMP target NVPTX if specified in options - Opts.OpenMPCUDAMode = Opts.OpenMPIsDevice && T.isNVPTX() && - Args.hasArg(options::OPT_fopenmp_cuda_mode); - - // Set CUDA mode for OpenMP target NVPTX if specified in options - Opts.OpenMPCUDAForceFullRuntime = - Opts.OpenMPIsDevice && T.isNVPTX() && - Args.hasArg(options::OPT_fopenmp_cuda_force_full_runtime); - - // Record whether the __DEPRECATED define was requested. - Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, - OPT_fno_deprecated_macro, - Opts.Deprecated); - - // 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; - - Opts.FastMath = Args.hasArg(OPT_ffast_math) || - Args.hasArg(OPT_cl_fast_relaxed_math); - Opts.FiniteMathOnly = Args.hasArg(OPT_ffinite_math_only) || - Args.hasArg(OPT_cl_finite_math_only) || - Args.hasArg(OPT_cl_fast_relaxed_math); - Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || - Args.hasArg(OPT_cl_unsafe_math_optimizations) || - Args.hasArg(OPT_cl_fast_relaxed_math); - - if (Arg *A = Args.getLastArg(OPT_ffp_contract)) { - StringRef Val = A->getValue(); - if (Val == "fast") - Opts.setDefaultFPContractMode(LangOptions::FPC_Fast); - else if (Val == "on") - Opts.setDefaultFPContractMode(LangOptions::FPC_On); - else if (Val == "off") - Opts.setDefaultFPContractMode(LangOptions::FPC_Off); - else - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val; - } - - Opts.RetainCommentsFromSystemHeaders = - Args.hasArg(OPT_fretain_comments_from_system_headers); - - unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags); - switch (SSP) { - default: - Diags.Report(diag::err_drv_invalid_value) - << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; - break; - case 0: Opts.setStackProtector(LangOptions::SSPOff); break; - case 1: Opts.setStackProtector(LangOptions::SSPOn); break; - case 2: Opts.setStackProtector(LangOptions::SSPStrong); break; - case 3: Opts.setStackProtector(LangOptions::SSPReq); break; - } - - if (Arg *A = Args.getLastArg(OPT_ftrivial_auto_var_init)) { - StringRef Val = A->getValue(); - if (Val == "uninitialized") - Opts.setTrivialAutoVarInit( - LangOptions::TrivialAutoVarInitKind::Uninitialized); - else if (Val == "zero") - Opts.setTrivialAutoVarInit(LangOptions::TrivialAutoVarInitKind::Zero); - else if (Val == "pattern") - Opts.setTrivialAutoVarInit(LangOptions::TrivialAutoVarInitKind::Pattern); - 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); - // -fsanitize-address-field-padding=N has to be a LangOpt, parse it here. - Opts.SanitizeAddressFieldPadding = - getLastArgIntValue(Args, OPT_fsanitize_address_field_padding, 0, Diags); - Opts.SanitizerBlacklistFiles = Args.getAllArgValues(OPT_fsanitize_blacklist); - - // -fxray-instrument - Opts.XRayInstrument = - Args.hasFlag(OPT_fxray_instrument, OPT_fnoxray_instrument, false); - - // -fxray-always-emit-customevents - Opts.XRayAlwaysEmitCustomEvents = - Args.hasFlag(OPT_fxray_always_emit_customevents, - OPT_fnoxray_always_emit_customevents, false); - - // -fxray-always-emit-typedevents - Opts.XRayAlwaysEmitTypedEvents = - Args.hasFlag(OPT_fxray_always_emit_typedevents, - OPT_fnoxray_always_emit_customevents, false); - - // -fxray-{always,never}-instrument= filenames. - Opts.XRayAlwaysInstrumentFiles = - Args.getAllArgValues(OPT_fxray_always_instrument); - Opts.XRayNeverInstrumentFiles = - Args.getAllArgValues(OPT_fxray_never_instrument); - Opts.XRayAttrListFiles = Args.getAllArgValues(OPT_fxray_attr_list); - - // -fforce-emit-vtables - Opts.ForceEmitVTables = Args.hasArg(OPT_fforce_emit_vtables); - - // -fallow-editor-placeholders - Opts.AllowEditorPlaceholders = Args.hasArg(OPT_fallow_editor_placeholders); - - Opts.RegisterStaticDestructors = !Args.hasArg(OPT_fno_cxx_static_destructors); - - 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 (Ver != "latest") { - Diags.Report(diag::err_drv_invalid_value) - << A->getAsString(Args) << A->getValue(); - } - } - - Opts.CompleteMemberPointers = Args.hasArg(OPT_fcomplete_member_pointers); - Opts.BuildingPCHWithObjectFile = Args.hasArg(OPT_building_pch_with_obj); -} - -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::FixIt: - case frontend::GenerateModule: - case frontend::GenerateModuleInterface: - case frontend::GenerateHeaderModule: - case frontend::GeneratePCH: - case frontend::GenerateInterfaceYAMLExpV1: - case frontend::GenerateInterfaceTBEExpV1: - 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 ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, - DiagnosticsEngine &Diags, - frontend::ActionKind Action) { - Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); - Opts.PCHWithHdrStop = Args.hasArg(OPT_pch_through_hdrstop_create) || - Args.hasArg(OPT_pch_through_hdrstop_use); - Opts.PCHWithHdrStopCreate = Args.hasArg(OPT_pch_through_hdrstop_create); - Opts.PCHThroughHeader = Args.getLastArgValue(OPT_pch_through_header_EQ); - Opts.UsePredefines = !Args.hasArg(OPT_undef); - Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); - Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); - Opts.AllowPCHWithCompilerErrors = Args.hasArg(OPT_fallow_pch_with_errors); - - Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); - 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()); - } - - Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); - - // 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); - } - - if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { - StringRef Name = A->getValue(); - unsigned Library = llvm::StringSwitch<unsigned>(Name) - .Case("libc++", ARCXX_libcxx) - .Case("libstdc++", ARCXX_libstdcxx) - .Case("none", ARCXX_nolib) - .Default(~0U); - if (Library == ~0U) - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; - else - Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; - } - - // 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; -} - -static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, - ArgList &Args, - frontend::ActionKind Action) { - if (isStrictlyPreprocessorAction(Action)) - Opts.ShowCPP = !Args.hasArg(OPT_dM); - else - Opts.ShowCPP = 0; - - Opts.ShowComments = Args.hasArg(OPT_C); - Opts.ShowLineMarkers = !Args.hasArg(OPT_P); - Opts.ShowMacroComments = Args.hasArg(OPT_CC); - Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); - Opts.ShowIncludeDirectives = Args.hasArg(OPT_dI); - Opts.RewriteIncludes = Args.hasArg(OPT_frewrite_includes); - Opts.RewriteImports = Args.hasArg(OPT_frewrite_imports); - Opts.UseLineDirectives = Args.hasArg(OPT_fuse_line_directives); -} - -static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args, - DiagnosticsEngine &Diags) { - Opts.CodeModel = getCodeModel(Args, Diags); - Opts.ABI = Args.getLastArgValue(OPT_target_abi); - if (Arg *A = Args.getLastArg(OPT_meabi)) { - StringRef Value = A->getValue(); - llvm::EABI EABIVersion = llvm::StringSwitch<llvm::EABI>(Value) - .Case("default", llvm::EABI::Default) - .Case("4", llvm::EABI::EABI4) - .Case("5", llvm::EABI::EABI5) - .Case("gnu", llvm::EABI::GNU) - .Default(llvm::EABI::Unknown); - if (EABIVersion == llvm::EABI::Unknown) - Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) - << Value; - else - Opts.EABIVersion = EABIVersion; - } - Opts.CPU = Args.getLastArgValue(OPT_target_cpu); - Opts.FPMath = Args.getLastArgValue(OPT_mfpmath); - Opts.FeaturesAsWritten = Args.getAllArgValues(OPT_target_feature); - Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); - Opts.Triple = Args.getLastArgValue(OPT_triple); - // Use the default target triple if unspecified. - if (Opts.Triple.empty()) - Opts.Triple = llvm::sys::getDefaultTargetTriple(); - Opts.Triple = llvm::Triple::normalize(Opts.Triple); - Opts.OpenCLExtensionsAsWritten = Args.getAllArgValues(OPT_cl_ext_EQ); - Opts.ForceEnableInt128 = Args.hasArg(OPT_fforce_enable_int128); - Opts.NVPTXUseShortPointers = Args.hasFlag( - options::OPT_fcuda_short_ptr, options::OPT_fno_cuda_short_ptr, false); - 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; - } -} - -bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, - const char *const *ArgBegin, - const char *const *ArgEnd, - DiagnosticsEngine &Diags) { - bool Success = true; - - // Parse the arguments. - std::unique_ptr<OptTable> Opts = createDriverOptTable(); - const unsigned IncludedFlagsBitmask = options::CC1Option; - unsigned MissingArgIndex, MissingArgCount; - InputArgList Args = - Opts->ParseArgs(llvm::makeArrayRef(ArgBegin, ArgEnd), 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; - Success = false; - } - - // 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; - Success = false; - } - - Success &= ParseAnalyzerArgs(*Res.getAnalyzerOpts(), Args, Diags); - Success &= ParseMigratorArgs(Res.getMigratorOpts(), Args); - ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), Args); - Success &= - ParseDiagnosticArgs(Res.getDiagnosticOpts(), Args, &Diags, - false /*DefaultDiagColor*/, false /*DefaultShowOpt*/); - ParseCommentArgs(LangOpts.CommentOpts, Args); - ParseFileSystemArgs(Res.getFileSystemOpts(), Args); - // FIXME: We shouldn't have to pass the DashX option around here - InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), Args, Diags, - LangOpts.IsHeaderFile); - ParseTargetArgs(Res.getTargetOpts(), Args, Diags); - Success &= ParseCodeGenArgs(Res.getCodeGenOpts(), Args, DashX, Diags, - Res.getTargetOpts(), Res.getFrontendOpts()); - ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), Args, - Res.getFileSystemOpts().WorkingDir); - llvm::Triple T(Res.getTargetOpts().Triple); - if (DashX.getFormat() == InputKind::Precompiled || - DashX.getLanguage() == InputKind::LLVM_IR) { - // ObjCAAutoRefCount and Sanitize LangOpts are used to setup the - // PassManager in BackendUtil.cpp. They need to be initializd no matter - // what the input type is. - if (Args.hasArg(OPT_fobjc_arc)) - LangOpts.ObjCAutoRefCount = 1; - // PIClevel and PIELevel are needed during code generation and this should be - // set regardless of the input type. - LangOpts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); - LangOpts.PIE = Args.hasArg(OPT_pic_is_pie); - parseSanitizerKinds("-fsanitize=", Args.getAllArgValues(OPT_fsanitize_EQ), - Diags, LangOpts.Sanitize); - } else { - // Other LangOpts are only initialized when the input is not AST or LLVM IR. - // FIXME: Should we really be calling this for an InputKind::Asm input? - ParseLangArgs(LangOpts, Args, DashX, Res.getTargetOpts(), - Res.getPreprocessorOpts(), Diags); - if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) - LangOpts.ObjCExceptions = 1; - if (T.isOSDarwin() && DashX.isPreprocessed()) { - // Supress the darwin-specific 'stdlibcxx-not-found' diagnostic for - // preprocessed input as we don't expect it to be used with -std=libc++ - // anyway. - Res.getDiagnosticOpts().Warnings.push_back("no-stdlibcxx-not-found"); - } - } - - LangOpts.FunctionAlignment = - getLastArgIntValue(Args, OPT_function_alignment, 0, Diags); - - 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; - - // 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); - ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), Args, - Res.getFrontendOpts().ProgramAction); - - // Turn on -Wspir-compat for SPIR target. - if (T.isSPIR()) - Res.getDiagnosticOpts().Warnings.push_back("spir-compat"); - - // 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); - } - return Success; -} - -std::string CompilerInvocation::getModuleHash() const { - // Note: For QoI reasons, the things we use as a hash here should all be - // dumped via the -module-info flag. - using llvm::hash_code; - using llvm::hash_value; - using llvm::hash_combine; - - // Start the signature with the compiler version. - // FIXME: We'd rather use something more cryptographically sound than - // CityHash, but this will do for now. - hash_code code = hash_value(getClangFullRepositoryVersion()); - - // Extend the signature with the language options -#define LANGOPT(Name, Bits, Default, Description) \ - code = hash_combine(code, LangOpts->Name); -#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ - code = hash_combine(code, 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" - - for (StringRef Feature : LangOpts->ModuleFeatures) - code = hash_combine(code, Feature); - - // Extend the signature with the target options. - code = hash_combine(code, TargetOpts->Triple, TargetOpts->CPU, - TargetOpts->ABI); - for (const auto &FeatureAsWritten : TargetOpts->FeaturesAsWritten) - code = hash_combine(code, FeatureAsWritten); - - // Extend the signature with preprocessor options. - const PreprocessorOptions &ppOpts = getPreprocessorOpts(); - const HeaderSearchOptions &hsOpts = getHeaderSearchOpts(); - code = hash_combine(code, ppOpts.UsePredefines, ppOpts.DetailedRecord); - - for (const auto &I : 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 = I.first; - if (hsOpts.ModulesIgnoreMacros.count( - llvm::CachedHashString(MacroDef.split('=').first))) - continue; - } - - code = hash_combine(code, I.first, I.second); - } - - // Extend the signature with the sysroot and other header search options. - code = hash_combine(code, hsOpts.Sysroot, - hsOpts.ModuleFormat, - hsOpts.UseDebugInfo, - hsOpts.UseBuiltinIncludes, - hsOpts.UseStandardSystemIncludes, - hsOpts.UseStandardCXXIncludes, - hsOpts.UseLibcxx, - hsOpts.ModulesValidateDiagnosticOptions); - code = hash_combine(code, hsOpts.ResourceDir); - - // Extend the signature with the user build path. - code = hash_combine(code, hsOpts.ModuleUserBuildPath); - - // Extend the signature with the module file extensions. - const FrontendOptions &frontendOpts = getFrontendOpts(); - for (const auto &ext : frontendOpts.ModuleFileExtensions) { - code = ext->hashExtension(code); - } - - // When compiling with -gmodules, also hash -fdebug-prefix-map as it - // affects the debug info in the PCM. - if (getCodeGenOpts().DebugTypeExtRefs) - for (const auto &KeyValue : getCodeGenOpts().DebugPrefixMap) - code = hash_combine(code, KeyValue.first, KeyValue.second); - - // 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()) - code = hash_combine(code, SanHash.Mask); - - return llvm::APInt(64, code).toString(36, /*Signed=*/false); -} - -template<typename IntTy> -static IntTy getLastArgIntValueImpl(const ArgList &Args, OptSpecifier Id, - IntTy Default, - DiagnosticsEngine *Diags) { - IntTy Res = Default; - if (Arg *A = Args.getLastArg(Id)) { - if (StringRef(A->getValue()).getAsInteger(10, Res)) { - if (Diags) - Diags->Report(diag::err_drv_invalid_int_value) << A->getAsString(Args) - << A->getValue(); - } - } - return Res; -} - -namespace clang { - -// Declared in clang/Frontend/Utils.h. -int getLastArgIntValue(const ArgList &Args, OptSpecifier Id, int Default, - DiagnosticsEngine *Diags) { - return getLastArgIntValueImpl<int>(Args, Id, Default, Diags); -} - -uint64_t getLastArgUInt64Value(const ArgList &Args, OptSpecifier Id, - uint64_t Default, - DiagnosticsEngine *Diags) { - return getLastArgIntValueImpl<uint64_t>(Args, Id, Default, Diags); -} - -IntrusiveRefCntPtr<llvm::vfs::FileSystem> -createVFSFromCompilerInvocation(const CompilerInvocation &CI, - DiagnosticsEngine &Diags) { - return createVFSFromCompilerInvocation(CI, Diags, - llvm::vfs::getRealFileSystem()); -} - -IntrusiveRefCntPtr<llvm::vfs::FileSystem> 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; -} - -} // namespace clang |