|  | ; RUN: llc < %s -march=x86 -mattr=+sse2 | grep movss
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							|  | ; PR2472
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							|  | 
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							|  | define <4 x i32> @a(<4 x i32> %a) nounwind {
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							|  | entry:
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							|  |         %vecext = extractelement <4 x i32> %a, i32 0
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							|  |         insertelement <4 x i32> zeroinitializer, i32 %vecext, i32 0
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							|  |         %add = add <4 x i32> %a, %0
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							|  |         ret <4 x i32> %add
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							|  | }
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