diff --git a/llvm/test/CodeGen/X86/2010-01-08-Atomic64Bug.ll b/llvm/test/CodeGen/X86/2010-01-08-Atomic64Bug.ll
index e969b133022c..7d1cda35a200 100644
--- a/llvm/test/CodeGen/X86/2010-01-08-Atomic64Bug.ll
+++ b/llvm/test/CodeGen/X86/2010-01-08-Atomic64Bug.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s
+; RUN: llc < %s -mtriple=i386-apple-darwin -mcpu=corei7 | FileCheck %s
 ; rdar://r7512579
 
 ; PHI defs in the atomic loop should be used by the add / adc