--- /dev/null
+; RUN: llvm-as < %s | llc -march=x86 -mcpu=yonah | grep unpcklps &&
+; RUN: llvm-as < %s | llc -march=x86 -mcpu=yonah | not grep 'sub.*esp'
+
+void %test(<4 x float>* %res, <4 x float>* %A, <4 x float>* %B) {
+ %tmp = load <4 x float>* %B ; <<4 x float>> [#uses=2]
+ %tmp3 = load <4 x float>* %A ; <<4 x float>> [#uses=2]
+ %tmp = extractelement <4 x float> %tmp3, uint 0 ; <float> [#uses=1]
+ %tmp7 = extractelement <4 x float> %tmp, uint 0 ; <float> [#uses=1]
+ %tmp8 = extractelement <4 x float> %tmp3, uint 1 ; <float> [#uses=1]
+ %tmp9 = extractelement <4 x float> %tmp, uint 1 ; <float> [#uses=1]
+ %tmp10 = insertelement <4 x float> undef, float %tmp, uint 0 ; <<4 x float>> [#uses=1]
+ %tmp11 = insertelement <4 x float> %tmp10, float %tmp7, uint 1 ; <<4 x float>> [#uses=1]
+ %tmp12 = insertelement <4 x float> %tmp11, float %tmp8, uint 2 ; <<4 x float>> [#uses=1]
+ %tmp13 = insertelement <4 x float> %tmp12, float %tmp9, uint 3 ; <<4 x float>> [#uses=1]
+ store <4 x float> %tmp13, <4 x float>* %res
+ ret void
+}
+