make this test harder


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48061 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/vec_set-9.ll b/test/CodeGen/X86/vec_set-9.ll
index d00ceff..b73187c 100644
--- a/test/CodeGen/X86/vec_set-9.ll
+++ b/test/CodeGen/X86/vec_set-9.ll
@@ -1,4 +1,5 @@
 ; RUN: llvm-as < %s | llc -march=x86-64 | grep movd | count 1
+; RUN: llvm-as < %s | llc -march=x86-64 | grep {punpcklqdq.*%xmm0, %xmm0}
 
 define <2 x i64> @test3(i64 %A) {
 entry: