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Remove LLVM_HAS_VARIADIC_TEMPLATES and all the faux variadic workarounds guarded by it.

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We no longer support compilers without variadic template support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229324 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2015-02-15 19:34:28 +00:00
parent cd2a5f28b1
commit 5d6f0738e3
6 changed files with 2 additions and 734 deletions
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38
include/llvm/ADT/SmallVector.h
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@@ -633,50 +633,12 @@ public:
return I;
}
#if LLVM_HAS_VARIADIC_TEMPLATES
template <typename... ArgTypes> void emplace_back(ArgTypes &&... Args) {
if (LLVM_UNLIKELY(this->EndX >= this->CapacityX))
this->grow();
::new ((void *)this->end()) T(std::forward<ArgTypes>(Args)...);
this->setEnd(this->end() + 1);
}
#else
private:
template <typename Constructor> void emplace_back_impl(Constructor construct) {
if (LLVM_UNLIKELY(this->EndX >= this->CapacityX))
this->grow();
construct((void *)this->end());
this->setEnd(this->end() + 1);
}
public:
void emplace_back() {
emplace_back_impl([](void *Mem) { ::new (Mem) T(); });
}
template <typename T1> void emplace_back(T1 &&A1) {
emplace_back_impl([&](void *Mem) { ::new (Mem) T(std::forward<T1>(A1)); });
}
template <typename T1, typename T2> void emplace_back(T1 &&A1, T2 &&A2) {
emplace_back_impl([&](void *Mem) {
::new (Mem) T(std::forward<T1>(A1), std::forward<T2>(A2));
});
}
template <typename T1, typename T2, typename T3>
void emplace_back(T1 &&A1, T2 &&A2, T3 &&A3) {
T(std::forward<T1>(A1), std::forward<T2>(A2), std::forward<T3>(A3));
emplace_back_impl([&](void *Mem) {
::new (Mem)
T(std::forward<T1>(A1), std::forward<T2>(A2), std::forward<T3>(A3));
});
}
template <typename T1, typename T2, typename T3, typename T4>
void emplace_back(T1 &&A1, T2 &&A2, T3 &&A3, T4 &&A4) {
emplace_back_impl([&](void *Mem) {
::new (Mem) T(std::forward<T1>(A1), std::forward<T2>(A2),
std::forward<T3>(A3), std::forward<T4>(A4));
});
}
#endif // LLVM_HAS_VARIADIC_TEMPLATES
SmallVectorImpl &operator=(const SmallVectorImpl &RHS);