diff --git a/test/CodeGen/X86/2012-02-20-MachineCPBug.ll b/test/CodeGen/X86/2012-02-20-MachineCPBug.ll
index 557d49d..477b4de 100644
--- a/test/CodeGen/X86/2012-02-20-MachineCPBug.ll
+++ b/test/CodeGen/X86/2012-02-20-MachineCPBug.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=i386-apple-macosx -mattr=+sse | FileCheck %s
+; RUN: llc < %s -mtriple=i386-apple-macosx -mcpu=core2 -mattr=+sse | FileCheck %s
 ; PR11940: Do not optimize away movb %al, %ch
 
 %struct.APInt = type { i64* }