explicit-instantiation.cpp
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

explicit-instantiation.cpp
View Options

	// RUN: %clang_cc1 -emit-llvm -triple i686-pc-linux-gnu -o - %s \| FileCheck %s

	// This check logically is attached to 'template int S<int>::i;' below.
	// CHECK: @_ZN1SIiE1iE = weak_odr global i32

	template<typename T, typename U, typename Result>
	struct plus {
	Result operator()(const T& t, const U& u) const;
	};

	template<typename T, typename U, typename Result>
	Result plus<T, U, Result>::operator()(const T& t, const U& u) const {
	return t + u;
	}

	// CHECK: define weak_odr i32 @_ZNK4plusIillEclERKiRKl
	template struct plus<int, long, long>;

	// Check that we emit definitions from explicit instantiations even when they
	// occur prior to the definition itself.
	template <typename T> struct S {
	void f();
	static void g();
	static int i;
	struct S2 {
	void h();
	};
	};

	// CHECK: define weak_odr void @_ZN1SIiE1fEv
	template void S<int>::f();

	// CHECK: define weak_odr void @_ZN1SIiE1gEv
	template void S<int>::g();

	// See the check line at the top of the file.
	template int S<int>::i;

	// CHECK: define weak_odr void @_ZN1SIiE2S21hEv
	template void S<int>::S2::h();

	template <typename T> void S<T>::f() {}
	template <typename T> void S<T>::g() {}
	template <typename T> int S<T>::i;
	template <typename T> void S<T>::S2::h() {}