diff --git a/llvm/test/Regression/CodeGen/X86/2006-11-28-Memcpy.ll b/llvm/test/Regression/CodeGen/X86/2006-11-28-Memcpy.ll
index f9c0be30abba446ec3d719fc00d94affe0b87b89..b53c6a3766754fe6d69f92ea00fef6531832c011 100644
--- a/llvm/test/Regression/CodeGen/X86/2006-11-28-Memcpy.ll
+++ b/llvm/test/Regression/CodeGen/X86/2006-11-28-Memcpy.ll
@@ -1,6 +1,6 @@
 ; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 &&
 ; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | grep 3721182122 | wc -l | grep 2 &&
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | grep 'movl _bytes2' | wc -l | grep 1
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | grep -E 'movl _?bytes2' | wc -l | grep 1
 ; PR1022, 1023
 
 %fmt = constant [4 x sbyte] c"%x\0A\00"