llvm/clang/include/clang/Basic/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 "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.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 : uint16_t { … };

struct HeaderDesc { … };

namespace Builtin {
enum ID { … };

struct Info { … };

/// 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 { … };

/// Returns true if the required target features of a builtin function are
/// enabled.
/// \p TargetFeatureMap maps a target feature to true if it is enabled and
///    false if it is disabled.
bool evaluateRequiredTargetFeatures(
    llvm::StringRef RequiredFatures,
    const llvm::StringMap<bool> &TargetFetureMap);

} // namespace Builtin

/// Kinds of BuiltinTemplateDecl.
enum BuiltinTemplateKind : int { … };

} // end namespace clang
#endif