llvm/llvm/include/llvm/IR/RuntimeLibcalls.h

//===- RuntimeLibcalls.h - Interface for runtime libcalls -------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file implements a common interface to work with library calls into a
// runtime that may be emitted by a given backend.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_IR_RUNTIME_LIBCALLS_H
#define LLVM_IR_RUNTIME_LIBCALLS_H

#include "llvm/ADT/ArrayRef.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/Support/AtomicOrdering.h"
#include "llvm/TargetParser/Triple.h"

namespace llvm {
namespace RTLIB {

/// RTLIB::Libcall enum - This enum defines all of the runtime library calls
/// the backend can emit.  The various long double types cannot be merged,
/// because 80-bit library functions use "xf" and 128-bit use "tf".
///
/// When adding PPCF128 functions here, note that their names generally need
/// to be overridden for Darwin with the xxx$LDBL128 form.  See
/// PPCISelLowering.cpp.
///
enum Libcall { … };

/// A simple container for information about the supported runtime calls.
struct RuntimeLibcallsInfo { … };

} // namespace RTLIB
} // namespace llvm

#endif // LLVM_IR_RUNTIME_LIBCALLS_H