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📄 AArch64SVEACLETypes.def(7.09 KB)
📄 ABI.h(5.95 KB)
📄 ASTNode.td(120 B)
📄 AddressSpaces.h(2.59 KB)
📄 AlignedAllocation.h(1.38 KB)
📄 AllDiagnostics.h(1.44 KB)
📄 Attr.td(122.78 KB)
📄 AttrDocs.td(197.8 KB)
📄 AttrKinds.h(929 B)
📄 AttrSubjectMatchRules.h(957 B)
📄 AttributeCommonInfo.h(7.02 KB)
📄 Attributes.h(1.35 KB)
📄 BitmaskEnum.h(749 B)
📄 Builtins.def(71.64 KB)
📄 Builtins.h(9.13 KB)
📄 BuiltinsAArch64.def(14.31 KB)
📄 BuiltinsAMDGPU.def(13.1 KB)
📄 BuiltinsARM.def(18.6 KB)
📄 BuiltinsBPF.def(1016 B)
📄 BuiltinsHexagon.def(6.15 KB)
📄 BuiltinsHexagonDep.def(117.26 KB)
📄 BuiltinsHexagonMapCustomDep.def(8.56 KB)
📄 BuiltinsLe64.def(728 B)
📄 BuiltinsMips.def(35.51 KB)
📄 BuiltinsNEON.def(814 B)
📄 BuiltinsNVPTX.def(27.63 KB)
📄 BuiltinsPPC.def(21.53 KB)
📄 BuiltinsSVE.def(786 B)
📄 BuiltinsSystemZ.def(19.7 KB)
📄 BuiltinsWebAssembly.def(10.17 KB)
📄 BuiltinsX86.def(140.49 KB)
📄 BuiltinsX86_64.def(6.79 KB)
📄 BuiltinsXCore.def(846 B)
📄 CapturedStmt.h(662 B)
📄 CharInfo.h(6.52 KB)
📄 CodeGenOptions.def(21.65 KB)
📄 CodeGenOptions.h(14.14 KB)
📄 CommentNodes.td(1.04 KB)
📄 CommentOptions.h(1.1 KB)
📄 Cuda.h(2.3 KB)
📄 DebugInfoOptions.h(1.72 KB)
📄 DeclNodes.td(4.72 KB)
📄 Diagnostic.h(55.73 KB)
📄 Diagnostic.td(5.29 KB)
📄 DiagnosticAST.h(903 B)
📄 DiagnosticASTKinds.td(29.35 KB)
📄 DiagnosticAnalysis.h(933 B)
📄 DiagnosticAnalysisKinds.td(405 B)
📄 DiagnosticCategories.h(757 B)
📄 DiagnosticCategories.td(480 B)
📄 DiagnosticComment.h(927 B)
📄 DiagnosticCommentKinds.td(6.18 KB)
📄 DiagnosticCommonKinds.td(14.32 KB)
📄 DiagnosticCrossTU.h(927 B)
📄 DiagnosticCrossTUKinds.td(889 B)
📄 DiagnosticDocs.td(1.96 KB)
📄 DiagnosticDriver.h(921 B)
📄 DiagnosticDriverKinds.td(25.54 KB)
📄 DiagnosticError.h(1.98 KB)
📄 DiagnosticFrontend.h(933 B)
📄 DiagnosticFrontendKinds.td(13.86 KB)
📄 DiagnosticGroups.td(59.71 KB)
📄 DiagnosticIDs.h(12.83 KB)
📄 DiagnosticLex.h(903 B)
📄 DiagnosticLexKinds.td(38.36 KB)
📄 DiagnosticOptions.def(4.58 KB)
📄 DiagnosticOptions.h(4.21 KB)
📄 DiagnosticParse.h(915 B)
📄 DiagnosticParseKinds.td(68.47 KB)
📄 DiagnosticRefactoring.h(951 B)
📄 DiagnosticRefactoringKinds.td(1.33 KB)
📄 DiagnosticSema.h(909 B)
📄 DiagnosticSemaKinds.td(546.17 KB)
📄 DiagnosticSerialization.h(962 B)
📄 DiagnosticSerializationKinds.td(18.08 KB)
📄 ExceptionSpecificationType.h(2.48 KB)
📄 ExpressionTraits.h(1.18 KB)
📄 FPOptions.def(1.16 KB)
📄 Features.def(11.55 KB)
📄 FileManager.h(16.39 KB)
📄 FileSystemOptions.h(924 B)
📄 FileSystemStatCache.h(3.26 KB)
📄 FixedPoint.h(8.6 KB)
📄 IdentifierTable.h(33.75 KB)
📄 JsonSupport.h(3.69 KB)
📄 LLVM.h(2.43 KB)
📄 Lambda.h(1.37 KB)
📄 LangOptions.def(21.96 KB)
📄 LangOptions.h(18.78 KB)
📄 LangStandard.h(3.87 KB)
📄 LangStandards.def(6.8 KB)
📄 Linkage.h(4.13 KB)
📄 MSP430Target.def(7.04 KB)
📄 MacroBuilder.h(1.34 KB)
📄 Module.h(24.09 KB)
📄 ObjCRuntime.h(14.36 KB)
📄 OpenCLExtensionTypes.def(1.59 KB)
📄 OpenCLExtensions.def(4.38 KB)
📄 OpenCLImageTypes.def(4.1 KB)
📄 OpenCLOptions.h(4.42 KB)
📄 OpenMPKinds.def(4.58 KB)
📄 OpenMPKinds.h(9.66 KB)
📄 OperatorKinds.def(6.56 KB)
📄 OperatorKinds.h(1.55 KB)
📄 OperatorPrecedence.h(1.82 KB)
📄 PartialDiagnostic.h(12.96 KB)
📄 PlistSupport.h(4.02 KB)
📄 PragmaKinds.h(1.21 KB)
📄 PrettyStackTrace.h(1.26 KB)
📄 SanitizerBlacklist.h(1.73 KB)
📄 SanitizerSpecialCaseList.h(1.81 KB)
📄 Sanitizers.def(6.41 KB)
📄 Sanitizers.h(6.57 KB)
📄 SourceLocation.h(15.56 KB)
📄 SourceManager.h(71.11 KB)
📄 SourceManagerInternals.h(4.27 KB)
📄 Specifiers.h(12.68 KB)
📄 Stack.h(1.94 KB)
📄 StmtNodes.td(10.92 KB)
📄 SyncScope.h(4.87 KB)
📄 TargetBuiltins.h(9.18 KB)
📄 TargetCXXABI.h(12.49 KB)
📄 TargetInfo.h(54.4 KB)
📄 TargetOptions.h(3 KB)
📄 TemplateKinds.h(2.22 KB)
📄 TokenKinds.def(33.83 KB)
📄 TokenKinds.h(3.99 KB)
📄 TypeNodes.td(5.48 KB)
📄 TypeTraits.h(2.67 KB)
📄 Version.h(2.23 KB)
📄 Visibility.h(4.4 KB)
📄 X86Target.def(5.21 KB)
📄 XRayInstr.h(1.92 KB)
📄 XRayLists.h(1.73 KB)
📄 arm_bf16.td(590 B)
📄 arm_cde.td(9.29 KB)
📄 arm_fp16.td(5.79 KB)
📄 arm_mve.td(70.85 KB)
📄 arm_mve_defs.td(24.52 KB)
📄 arm_neon.td(90.63 KB)
📄 arm_neon_incl.td(13.64 KB)
📄 arm_sve.td(162.48 KB)

Editing: Builtins.h

//===--- Builtins.h - Builtin function header -------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// Defines enum values for all the target-independent builtin
/// functions.
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_BASIC_BUILTINS_H
#define LLVM_CLANG_BASIC_BUILTINS_H

#include "llvm/ADT/ArrayRef.h"
#include <cstring>

// VC++ defines 'alloca' as an object-like macro, which interferes with our
// builtins.
#undef alloca

namespace clang {
class TargetInfo;
class IdentifierTable;
class LangOptions;

enum LanguageID {
  GNU_LANG = 0x1,     // builtin requires GNU mode.
  C_LANG = 0x2,       // builtin for c only.
  CXX_LANG = 0x4,     // builtin for cplusplus only.
  OBJC_LANG = 0x8,    // builtin for objective-c and objective-c++
  MS_LANG = 0x10,     // builtin requires MS mode.
  OCLC20_LANG = 0x20, // builtin for OpenCL C 2.0 only.
  OCLC1X_LANG = 0x40, // builtin for OpenCL C 1.x only.
  OMP_LANG = 0x80,    // builtin requires OpenMP.
  ALL_LANGUAGES = C_LANG | CXX_LANG | OBJC_LANG, // builtin for all languages.
  ALL_GNU_LANGUAGES = ALL_LANGUAGES | GNU_LANG,  // builtin requires GNU mode.
  ALL_MS_LANGUAGES = ALL_LANGUAGES | MS_LANG,    // builtin requires MS mode.
  ALL_OCLC_LANGUAGES = OCLC1X_LANG | OCLC20_LANG // builtin for OCLC languages.
};

namespace Builtin {
enum ID {
  NotBuiltin  = 0,      // This is not a builtin function.
#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
#include "clang/Basic/Builtins.def"
  FirstTSBuiltin
};

struct Info {
  const char *Name, *Type, *Attributes, *HeaderName;
  LanguageID Langs;
  const char *Features;
};

/// Holds information about both target-independent and
/// target-specific builtins, allowing easy queries by clients.
///
/// Builtins from an optional auxiliary target are stored in
/// AuxTSRecords. Their IDs are shifted up by TSRecords.size() and need to
/// be translated back with getAuxBuiltinID() before use.
class Context {
  llvm::ArrayRef<Info> TSRecords;
  llvm::ArrayRef<Info> AuxTSRecords;

public:
  Context() {}

/// Perform target-specific initialization
  /// \param AuxTarget Target info to incorporate builtins from. May be nullptr.
  void InitializeTarget(const TargetInfo &Target, const TargetInfo *AuxTarget);

/// Mark the identifiers for all the builtins with their
  /// appropriate builtin ID # and mark any non-portable builtin identifiers as
  /// such.
  void initializeBuiltins(IdentifierTable &Table, const LangOptions& LangOpts);

/// Return the identifier name for the specified builtin,
  /// e.g. "__builtin_abs".
  const char *getName(unsigned ID) const {
    return getRecord(ID).Name;
  }

/// Get the type descriptor string for the specified builtin.
  const char *getTypeString(unsigned ID) const {
    return getRecord(ID).Type;
  }

/// Return true if this function is a target-specific builtin.
  bool isTSBuiltin(unsigned ID) const {
    return ID >= Builtin::FirstTSBuiltin;
  }

/// Return true if this function has no side effects.
  bool isPure(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'U') != nullptr;
  }

/// Return true if this function has no side effects and doesn't
  /// read memory.
  bool isConst(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'c') != nullptr;
  }

/// Return true if we know this builtin never throws an exception.
  bool isNoThrow(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'n') != nullptr;
  }

/// Return true if we know this builtin never returns.
  bool isNoReturn(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'r') != nullptr;
  }

/// Return true if we know this builtin can return twice.
  bool isReturnsTwice(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'j') != nullptr;
  }

/// Returns true if this builtin does not perform the side-effects
  /// of its arguments.
  bool isUnevaluated(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'u') != nullptr;
  }

/// Return true if this is a builtin for a libc/libm function,
  /// with a "__builtin_" prefix (e.g. __builtin_abs).
  bool isLibFunction(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'F') != nullptr;
  }

/// Determines whether this builtin is a predefined libc/libm
  /// function, such as "malloc", where we know the signature a
  /// priori.
  bool isPredefinedLibFunction(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'f') != nullptr;
  }

/// Returns true if this builtin requires appropriate header in other
  /// compilers. In Clang it will work even without including it, but we can emit
  /// a warning about missing header.
  bool isHeaderDependentFunction(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'h') != nullptr;
  }

/// Determines whether this builtin is a predefined compiler-rt/libgcc
  /// function, such as "__clear_cache", where we know the signature a
  /// priori.
  bool isPredefinedRuntimeFunction(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'i') != nullptr;
  }

/// Determines whether this builtin has custom typechecking.
  bool hasCustomTypechecking(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 't') != nullptr;
  }

/// Determines whether a declaration of this builtin should be recognized
  /// even if the type doesn't match the specified signature.
  bool allowTypeMismatch(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'T') != nullptr ||
           hasCustomTypechecking(ID);
  }

/// Determines whether this builtin has a result or any arguments which
  /// are pointer types.
  bool hasPtrArgsOrResult(unsigned ID) const {
    return strchr(getRecord(ID).Type, '*') != nullptr;
  }

/// Return true if this builtin has a result or any arguments which are
  /// reference types.
  bool hasReferenceArgsOrResult(unsigned ID) const {
    return strchr(getRecord(ID).Type, '&') != nullptr ||
           strchr(getRecord(ID).Type, 'A') != nullptr;
  }

/// Completely forget that the given ID was ever considered a builtin,
  /// e.g., because the user provided a conflicting signature.
  void forgetBuiltin(unsigned ID, IdentifierTable &Table);

/// If this is a library function that comes from a specific
  /// header, retrieve that header name.
  const char *getHeaderName(unsigned ID) const {
    return getRecord(ID).HeaderName;
  }

/// Determine whether this builtin is like printf in its
  /// formatting rules and, if so, set the index to the format string
  /// argument and whether this function as a va_list argument.
  bool isPrintfLike(unsigned ID, unsigned &FormatIdx, bool &HasVAListArg);

/// Determine whether this builtin is like scanf in its
  /// formatting rules and, if so, set the index to the format string
  /// argument and whether this function as a va_list argument.
  bool isScanfLike(unsigned ID, unsigned &FormatIdx, bool &HasVAListArg);

/// Determine whether this builtin has callback behavior (see
  /// llvm::AbstractCallSites for details). If so, add the index to the
  /// callback callee argument and the callback payload arguments.
  bool performsCallback(unsigned ID,
                        llvm::SmallVectorImpl<int> &Encoding) const;

/// Return true if this function has no side effects and doesn't
  /// read memory, except for possibly errno.
  ///
  /// Such functions can be const when the MathErrno lang option is disabled.
  bool isConstWithoutErrno(unsigned ID) const {
    return strchr(getRecord(ID).Attributes, 'e') != nullptr;
  }

const char *getRequiredFeatures(unsigned ID) const {
    return getRecord(ID).Features;
  }

unsigned getRequiredVectorWidth(unsigned ID) const;

/// Return true if builtin ID belongs to AuxTarget.
  bool isAuxBuiltinID(unsigned ID) const {
    return ID >= (Builtin::FirstTSBuiltin + TSRecords.size());
  }

/// Return real builtin ID (i.e. ID it would have during compilation
  /// for AuxTarget).
  unsigned getAuxBuiltinID(unsigned ID) const { return ID - TSRecords.size(); }

/// Returns true if this is a libc/libm function without the '__builtin_'
  /// prefix.
  static bool isBuiltinFunc(llvm::StringRef Name);

/// Returns true if this is a builtin that can be redeclared.  Returns true
  /// for non-builtins.
  bool canBeRedeclared(unsigned ID) const;

private:
  const Info &getRecord(unsigned ID) const;

/// Is this builtin supported according to the given language options?
  bool builtinIsSupported(const Builtin::Info &BuiltinInfo,
                          const LangOptions &LangOpts);

/// Helper function for isPrintfLike and isScanfLike.
  bool isLike(unsigned ID, unsigned &FormatIdx, bool &HasVAListArg,
              const char *Fmt) const;
};

}

/// Kinds of BuiltinTemplateDecl.
enum BuiltinTemplateKind : int {
  /// This names the __make_integer_seq BuiltinTemplateDecl.
  BTK__make_integer_seq,

/// This names the __type_pack_element BuiltinTemplateDecl.
  BTK__type_pack_element
};

} // end namespace clang
#endif

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Editing: Builtins.h

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