llvm.org GIT mirror llvm / release_1 include / llvm / ADT / VectorExtras.h
release_1

Tree @release_1 (Download .tar.gz)

VectorExtras.h @release_1raw · history · blame

//===-- VectorExtras.h - Helper functions for std::vector -------*- C++ -*-===//
// 
//                     The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
// 
//===----------------------------------------------------------------------===//
//
// This file contains helper functions which are useful for working with the
// std::vector class.
//
//===----------------------------------------------------------------------===//

#ifndef SUPPORT_VECTOREXTRAS_H
#define SUPPORT_VECTOREXTRAS_H

#include <cstdarg>

/// make_vector - Helper function which is useful for building temporary vectors
/// to pass into type construction of CallInst ctors.  This turns a null
/// terminated list of pointers (or other value types) into a real live vector.
///
template<typename T>
inline std::vector<T> make_vector(T A, ...) {
  va_list Args;
  va_start(Args, A);
  std::vector<T> Result;
  Result.push_back(A);
  while (T Val = va_arg(Args, T))
    Result.push_back(Val);
  va_end(Args);
  return Result;
}

#endif