update test case for windows

Author: WANGJIEKE

test/Interop/SwiftToCxx/core/unsigned-return-type-no-zext-msvc.cpp

@@ -0,0 +1,17 @@
+// RUN: %empty-directory(%t)
+
+// RUN: %target-interop-build-clangxx -c %s -I %t -S -emit-llvm -o %t/ir.ll
+// RUN: %FileCheck %s < %t/ir.ll
+
+// REQUIRES: OS=windows-msvc
+
+unsigned char getEnumTagi8(void *p);
+unsigned getEnumTagi32(void *p);
+
+void test(void *p) {
+  getEnumTagi8(p);
+  getEnumTagi32(p);
+}
+
+// CHECK: declare dso_local noundef i8 @"?getEnumTagi8@@YAEPEAX@Z"(i8* noundef) #1
+// CHECK: declare dso_local noundef i32 @"?getEnumTagi32@@YAIPEAX@Z"(i8* noundef) #1

test/Interop/SwiftToCxx/core/unsigned-return-type-no-zext.cpp

@@ -1,7 +1,10 @@
 // RUN: %empty-directory(%t)
+
 // RUN: %target-interop-build-clangxx -c %s -I %t -S -emit-llvm -o %t/ir.ll
 // RUN: %FileCheck %s < %t/ir.ll
 
+// UNSUPPORTED: OS=windows-msvc
+
 unsigned char getEnumTagi8(void *p);
 unsigned getEnumTagi32(void *p);