|  | ; RUN: llc < %s -march=x86-64 -mcpu=core2 -o %t | 
|  | ; RUN: not grep unpcklps %t | 
|  |  | 
|  | define i32 @foo() nounwind { | 
|  | entry: | 
|  | %tmp74.i25762 = shufflevector <16 x float> zeroinitializer, <16 x float> zeroinitializer, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 16, i32 17, i32 18, i32 19>		; <<16 x float>> [#uses=1] | 
|  | %tmp518 = shufflevector <16 x float> %tmp74.i25762, <16 x float> undef, <4 x i32> <i32 12, i32 13, i32 14, i32 15>		; <<4 x float>> [#uses=1] | 
|  | %movss.i25611 = shufflevector <4 x float> zeroinitializer, <4 x float> %tmp518, <4 x i32> <i32 4, i32 1, i32 2, i32 3>		; <<4 x float>> [#uses=1] | 
|  | %conv3.i25615 = shufflevector <4 x float> %movss.i25611, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0>		; <<4 x float>> [#uses=1] | 
|  | %sub.i25620 = fsub <4 x float> %conv3.i25615, zeroinitializer		; <<4 x float>> [#uses=1] | 
|  | %mul.i25621 = fmul <4 x float> zeroinitializer, %sub.i25620		; <<4 x float>> [#uses=1] | 
|  | %add.i25622 = fadd <4 x float> zeroinitializer, %mul.i25621		; <<4 x float>> [#uses=1] | 
|  | store <4 x float> %add.i25622, <4 x float>* null | 
|  | unreachable | 
|  | } |