1 files changed, 50 insertions, 0 deletions
diff --git a/clang/test/CodeGen/microsoft-call-conv.c b/clang/test/CodeGen/microsoft-call-conv.c
new file mode 100644
index 0000000..390c3be
--- /dev/null
+++ b/clang/test/CodeGen/microsoft-call-conv.c
@@ -0,0 +1,50 @@
+// RUN: %clang_cc1 -emit-llvm < %s | FileCheck %s
+
+void __fastcall f1(void);
+void __stdcall f2(void);
+void __thiscall f3(void);
+void __fastcall f4(void) {
+// CHECK: define x86_fastcallcc void @f4()
+  f1();
+// CHECK: call x86_fastcallcc void @f1()
+}
+void __stdcall f5(void) {
+// CHECK: define x86_stdcallcc void @f5()
+  f2();
+// CHECK: call x86_stdcallcc void @f2()
+}
+void __thiscall f6(void) {
+// CHECK: define x86_thiscallcc void @f6()
+  f3();
+// CHECK: call x86_thiscallcc void @f3()
+}
+
+// PR5280
+void (__fastcall *pf1)(void) = f1;
+void (__stdcall *pf2)(void) = f2;
+void (__thiscall *pf3)(void) = f3;
+void (__fastcall *pf4)(void) = f4;
+void (__stdcall *pf5)(void) = f5;
+void (__thiscall *pf6)(void) = f6;
+
+int main(void) {
+    f4(); f5(); f6();
+    // CHECK: call x86_fastcallcc void @f4()
+    // CHECK: call x86_stdcallcc void @f5()
+    // CHECK: call x86_thiscallcc void @f6()
+    pf1(); pf2(); pf3(); pf4(); pf5(); pf6();
+    // CHECK: call x86_fastcallcc void %{{.*}}()
+    // CHECK: call x86_stdcallcc void %{{.*}}()
+    // CHECK: call x86_thiscallcc void %{{.*}}()
+    // CHECK: call x86_fastcallcc void %{{.*}}()
+    // CHECK: call x86_stdcallcc void %{{.*}}()
+    // CHECK: call x86_thiscallcc void %{{.*}}()
+    return 0;
+}
+
+// PR7117
+void __stdcall f7(foo) int foo; {}
+void f8(void) {
+  f7(0);
+  // CHECK: call x86_stdcallcc void @f7(i32 0)
+}