diff --git a/test/CodeGen/Alpha/mul128.ll b/test/CodeGen/Alpha/mul128.ll
new file mode 100644
index 00000000000..20216388a38
--- /dev/null
+++ b/test/CodeGen/Alpha/mul128.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -march=alpha
+; XFAIL: *
+
+define i128 @__mulvdi3(i128 %a, i128 %b) nounwind {
+entry:
+        %r = mul i128 %a, %b
+        ret i128 %r
+}