1 files changed, 53 insertions, 0 deletions
diff --git a/test/CodeGenCXX/dllimport-template-sdm.cpp b/test/CodeGenCXX/dllimport-template-sdm.cpp
new file mode 100644
index 000000000000..33cbdf6b7e4b
--- /dev/null
+++ b/test/CodeGenCXX/dllimport-template-sdm.cpp
@@ -0,0 +1,53 @@
+// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++14 -fms-extensions -o - %s | FileCheck %s --check-prefix=IMPORT
+// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++14 -fms-extensions -o - %s -DTEST_EXPORT | FileCheck %s --check-prefix=EXPORT
+
+#ifndef TEST_EXPORT
+#define DLLATTR __declspec(dllimport)
+#else
+#define DLLATTR __declspec(dllexport)
+#endif
+
+// PR37232: When a dllimport attribute is propagated from a derived class to a
+// base class that happens to be a template specialization, it is only applied
+// to template *methods*, and not static data members. If a dllexport attribute
+// is propagated, it still applies to static data members.
+
+// IMPORT-DAG: @"?sdm@Exporter@@2HB" = available_externally dllimport constant i32 2, align 4
+// IMPORT-DAG: @"?csdm@?$A@H@@2HB" = linkonce_odr dso_local constant i32 2, comdat, align 4
+// IMPORT-DAG: @"?sdm@?$A@H@@2HA" = linkonce_odr dso_local global i32 1, comdat, align 4
+// IMPORT-DAG: @"?sdm@?$B@H@@2HB" = available_externally dllimport constant i32 2, align 4
+// IMPORT-DAG: @"?sdm@?$C@H@@2HB" = available_externally dllimport constant i32 2, align 4
+
+// EXPORT-DAG: @"?sdm@Exporter@@2HB" = weak_odr dso_local dllexport constant i32 2, comdat, align 4
+// EXPORT-DAG: @"?csdm@?$A@H@@2HB" = weak_odr dso_local dllexport constant i32 2, comdat, align 4
+// EXPORT-DAG: @"?sdm@?$A@H@@2HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4
+// EXPORT-DAG: @"?sdm@?$B@H@@2HB" = weak_odr dso_local dllexport constant i32 2, comdat, align 4
+// EXPORT-DAG: @"?sdm@?$C@H@@2HB" = weak_odr dso_local dllexport constant i32 2, comdat, align 4
+
+
+template <typename T> struct A {
+  static constexpr int csdm = 2;
+  static int sdm;
+};
+template <typename T> int A<T>::sdm = 1;
+
+struct DLLATTR Exporter : A<int> {
+  static constexpr int sdm = 2;
+};
+
+template <typename T> struct DLLATTR B { static constexpr int sdm = 2; };
+
+template <typename T> struct DLLATTR C;
+template <typename T> struct C { static constexpr int sdm = 2; };
+
+void takeRef(const int &_Args) {}
+
+int main() {
+  takeRef(Exporter::sdm);
+  takeRef(A<int>::csdm);
+  takeRef(A<int>::sdm);
+  takeRef(B<int>::sdm);
+  takeRef(C<int>::sdm);
+
+  return 1;
+}