-; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 4
+; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 5
+
+; With -tailcallopt, CodeGen guarantees a tail call optimization
+; for all of these.
declare fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4)