Update test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28994 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/vec_zero.ll b/test/CodeGen/X86/vec_zero.ll
index 710c24d..d907157 100644
--- a/test/CodeGen/X86/vec_zero.ll
+++ b/test/CodeGen/X86/vec_zero.ll
@@ -1,5 +1,4 @@
-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep xorps &&
-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pxor
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep xorps | wc -l | grep 2
 
 void %foo(<4 x float> *%P) {
 	%T = load <4 x float> * %P