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diff --git a/test/CodeGen/X86/avx-128.ll b/test/CodeGen/X86/avx-128.ll
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+++ b/test/CodeGen/X86/avx-128.ll
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+; RUN: llc < %s -mtriple=x86_64-apple-darwin -march=x86 -mcpu=corei7 -mattr=avx | FileCheck %s
+
+@z = common global <4 x float> zeroinitializer, align 16
+
+define void @zero() nounwind ssp {
+entry:
+ ; CHECK: vpxor
+ ; CHECK: vmovaps
+ store <4 x float> zeroinitializer, <4 x float>* @z, align 16
+ ret void
+}
+