diff --git a/test/CodeGen/X86/tailcall-calleesave.ll b/test/CodeGen/X86/tailcall-calleesave.ll
index 2770d0550b4..c748bcef36d 100644
--- a/test/CodeGen/X86/tailcall-calleesave.ll
+++ b/test/CodeGen/X86/tailcall-calleesave.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=x86 -tailcallopt < %s | FileCheck %s
+; RUN: llc -march=x86 -tailcallopt -mcpu=core < %s | FileCheck %s
 
 target triple = "i686-apple-darwin"