John Bauman | 8940182 | 2014-05-06 15:04:28 -0400 | [diff] [blame] | 1 | //===-- llvm/ADT/VectorExtras.h - Helpers for std::vector -------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file contains helper functions which are useful for working with the |
| 11 | // std::vector class. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #ifndef LLVM_ADT_VECTOREXTRAS_H |
| 16 | #define LLVM_ADT_VECTOREXTRAS_H |
| 17 | |
| 18 | #include <cstdarg> |
| 19 | #include <vector> |
| 20 | |
| 21 | namespace llvm { |
| 22 | |
| 23 | /// make_vector - Helper function which is useful for building temporary vectors |
| 24 | /// to pass into type construction of CallInst ctors. This turns a null |
| 25 | /// terminated list of pointers (or other value types) into a real live vector. |
| 26 | /// |
| 27 | template<typename T> |
| 28 | inline std::vector<T> make_vector(T A, ...) { |
| 29 | va_list Args; |
| 30 | va_start(Args, A); |
| 31 | std::vector<T> Result; |
| 32 | Result.push_back(A); |
| 33 | while (T Val = va_arg(Args, T)) |
| 34 | Result.push_back(Val); |
| 35 | va_end(Args); |
| 36 | return Result; |
| 37 | } |
| 38 | |
| 39 | } // End llvm namespace |
| 40 | |
| 41 | #endif |