1 files changed, 82 insertions, 0 deletions
diff --git a/test/CodeGenCXX/dllexport-ctor-closure.cpp b/test/CodeGenCXX/dllexport-ctor-closure.cpp
new file mode 100644
index 000000000000..4fae7e10e8b6
--- /dev/null
+++ b/test/CodeGenCXX/dllexport-ctor-closure.cpp
@@ -0,0 +1,82 @@
+// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++14 \
+// RUN:    -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases \
+// RUN:    -disable-llvm-passes -o - %s -w -fms-compatibility-version=19.00 | \
+// RUN:    FileCheck %s
+
+struct CtorWithClosure {
+  __declspec(dllexport) CtorWithClosure(...) {}
+// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc void @"\01??_FCtorWithClosure@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
+// CHECK:   %[[this_addr:.*]] = alloca %struct.CtorWithClosure*, align 4
+// CHECK:   store %struct.CtorWithClosure* %this, %struct.CtorWithClosure** %[[this_addr]], align 4
+// CHECK:   %[[this:.*]] = load %struct.CtorWithClosure*, %struct.CtorWithClosure** %[[this_addr]]
+// CHECK:   call %struct.CtorWithClosure* (%struct.CtorWithClosure*, ...) @"\01??0CtorWithClosure@@QAA@ZZ"(%struct.CtorWithClosure* %[[this]])
+// CHECK:   ret void
+};
+
+struct CtorWithClosureOutOfLine {
+  __declspec(dllexport) CtorWithClosureOutOfLine(...);
+};
+CtorWithClosureOutOfLine::CtorWithClosureOutOfLine(...) {}
+// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc void @"\01??_FCtorWithClosureOutOfLine@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
+
+#define DELETE_IMPLICIT_MEMBERS(ClassName) \
+    ClassName(ClassName &&) = delete; \
+    ClassName(ClassName &) = delete; \
+    ~ClassName() = delete; \
+    ClassName &operator=(ClassName &) = delete
+
+struct __declspec(dllexport) ClassWithClosure {
+  DELETE_IMPLICIT_MEMBERS(ClassWithClosure);
+  ClassWithClosure(...) {}
+// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc void @"\01??_FClassWithClosure@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
+// CHECK:   %[[this_addr:.*]] = alloca %struct.ClassWithClosure*, align 4
+// CHECK:   store %struct.ClassWithClosure* %this, %struct.ClassWithClosure** %[[this_addr]], align 4
+// CHECK:   %[[this:.*]] = load %struct.ClassWithClosure*, %struct.ClassWithClosure** %[[this_addr]]
+// CHECK:   call %struct.ClassWithClosure* (%struct.ClassWithClosure*, ...) @"\01??0ClassWithClosure@@QAA@ZZ"(%struct.ClassWithClosure* %[[this]])
+// CHECK:   ret void
+};
+
+template <typename T> struct TemplateWithClosure {
+  TemplateWithClosure(int x = sizeof(T)) {}
+};
+extern template struct TemplateWithClosure<char>;
+template struct __declspec(dllexport) TemplateWithClosure<char>;
+extern template struct TemplateWithClosure<int>;
+template struct __declspec(dllexport) TemplateWithClosure<int>;
+
+// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc void @"\01??_F?$TemplateWithClosure@D@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
+// CHECK:   call {{.*}} @"\01??0?$TemplateWithClosure@D@@QAE@H@Z"({{.*}}, i32 1)
+
+// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc void @"\01??_F?$TemplateWithClosure@H@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
+// CHECK:   call {{.*}} @"\01??0?$TemplateWithClosure@H@@QAE@H@Z"({{.*}}, i32 4)
+
+struct __declspec(dllexport) NestedOuter {
+  DELETE_IMPLICIT_MEMBERS(NestedOuter);
+  NestedOuter(void *p = 0) {}
+  struct __declspec(dllexport) NestedInner {
+    DELETE_IMPLICIT_MEMBERS(NestedInner);
+    NestedInner(void *p = 0) {}
+  };
+};
+
+// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc void @"\01??_FNestedOuter@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
+// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc void @"\01??_FNestedInner@NestedOuter@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
+
+struct HasDtor {
+  ~HasDtor();
+  int o;
+};
+struct HasImplicitDtor1 { HasDtor o; };
+struct HasImplicitDtor2 { HasDtor o; };
+struct __declspec(dllexport) CtorClosureInline {
+  CtorClosureInline(const HasImplicitDtor1 &v = {}) {}
+};
+struct __declspec(dllexport) CtorClosureOutOfLine {
+  CtorClosureOutOfLine(const HasImplicitDtor2 &v = {});
+};
+CtorClosureOutOfLine::CtorClosureOutOfLine(const HasImplicitDtor2 &v) {}
+
+// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc void @"\01??_FCtorClosureInline@@QAEXXZ"
+// CHECK-LABEL: define linkonce_odr x86_thiscallcc void @"\01??1HasImplicitDtor1@@QAE@XZ"
+// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc void @"\01??_FCtorClosureOutOfLine@@QAEXXZ"
+// CHECK-LABEL: define linkonce_odr x86_thiscallcc void @"\01??1HasImplicitDtor2@@QAE@XZ"