hanchenye-llvm-project/llvm/test/CodeGen/X86/peep-vector-extract-concat.ll

; RUN: llc < %s -march=x86-64 -mattr=+sse2,-sse41 | grep {pshufd	\$3, %xmm0, %xmm0}

define float @foo(<8 x float> %a) nounwind {
  %c = extractelement <8 x float> %a, i32 3
  ret float %c
}