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d0fde30ce8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
//===-- VectorExtras.h - Helper functions for std::vector -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains helper functions which are useful for working with the
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// std::vector class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SUPPORT_VECTOREXTRAS_H
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#define SUPPORT_VECTOREXTRAS_H
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#include <cstdarg>
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namespace llvm {
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/// make_vector - Helper function which is useful for building temporary vectors
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/// to pass into type construction of CallInst ctors. This turns a null
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/// terminated list of pointers (or other value types) into a real live vector.
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///
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template<typename T>
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inline std::vector<T> make_vector(T A, ...) {
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va_list Args;
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va_start(Args, A);
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std::vector<T> Result;
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Result.push_back(A);
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while (T Val = va_arg(Args, T))
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Result.push_back(Val);
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va_end(Args);
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return Result;
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}
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} // End llvm namespace
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#endif
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