1 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGen/microsoft-call-conv-x64.c b/test/CodeGen/microsoft-call-conv-x64.c
new file mode 100644
index 0000000000000..97a1d99d6b6db
--- /dev/null
+++ b/test/CodeGen/microsoft-call-conv-x64.c
@@ -0,0 +1,39 @@
+// RUN: %clang_cc1 -triple x86_64-pc-win32 -emit-llvm < %s | FileCheck %s
+
+void __fastcall f1(void);
+void __stdcall f2(void);
+void __fastcall f4(void) {
+// CHECK: define void @f4()
+  f1();
+// CHECK: call void @f1()
+}
+void __stdcall f5(void) {
+// CHECK: define void @f5()
+  f2();
+// CHECK: call void @f2()
+}
+
+// PR5280
+void (__fastcall *pf1)(void) = f1;
+void (__stdcall *pf2)(void) = f2;
+void (__fastcall *pf4)(void) = f4;
+void (__stdcall *pf5)(void) = f5;
+
+int main(void) {
+    f4(); f5();
+    // CHECK: call void @f4()
+    // CHECK: call void @f5()
+    pf1(); pf2(); pf4(); pf5();
+    // CHECK: call void %{{.*}}()
+    // CHECK: call void %{{.*}}()
+    // CHECK: call void %{{.*}}()
+    // CHECK: call void %{{.*}}()
+    return 0;
+}
+
+// PR7117
+void __stdcall f7(foo) int foo; {}
+void f8(void) {
+  f7(0);
+  // CHECK: call void @f7(i32 0)
+}