diff --git a/clang/test/CodeGen/attr-target-mv.c b/clang/test/CodeGen/attr-target-mv.c
--- a/clang/test/CodeGen/attr-target-mv.c
+++ b/clang/test/CodeGen/attr-target-mv.c
@@ -129,6 +129,8 @@
 // WINDOWS: ret i32 6
 // WINDOWS: define dso_local i32 @foo.arch_icelake-server()
 // WINDOWS: ret i32 7
+// WINDOWS: define dso_local i32 @foo.arch_cooperlake()
+// WINDOWS: ret i32 8
 // WINDOWS: define dso_local i32 @foo()
 // WINDOWS: ret i32 2
 // WINDOWS: define dso_local i32 @bar()