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-rw-r--r--test/CodeGenCXX/explicit-instantiation.cpp31
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGenCXX/explicit-instantiation.cpp b/test/CodeGenCXX/explicit-instantiation.cpp
index 24d1a67..b829585 100644
--- a/test/CodeGenCXX/explicit-instantiation.cpp
+++ b/test/CodeGenCXX/explicit-instantiation.cpp
@@ -1,5 +1,8 @@
// 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 global i32
+
template<typename T, typename U, typename Result>
struct plus {
Result operator()(const T& t, const U& u) const;
@@ -12,3 +15,31 @@ Result plus<T, U, Result>::operator()(const T& t, const U& u) const {
// 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() {}
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