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      1 ; RUN: llc < %s -march=x86 -mcpu=penryn | FileCheck %s
      2 
      3 ; Shows a dag combine bug that will generate an illegal build vector
      4 ; with v2i64 build_vector i32, i32.
      5 
      6 ; CHECK: test:
      7 ; CHECK: unpcklpd
      8 ; CHECK: movapd
      9 define void @test(<2 x double>* %dst, <4 x double> %src) nounwind {
     10 entry:
     11         %tmp7.i = shufflevector <4 x double> %src, <4 x double> undef, <2 x i32> < i32 0, i32 2 >
     12         store <2 x double> %tmp7.i, <2 x double>* %dst
     13         ret void
     14 }
     15 
     16 ; CHECK: test2:
     17 ; CHECK: movdqa
     18 define void @test2(<4 x i16>* %src, <4 x i32>* %dest) nounwind {
     19 entry:
     20         %tmp1 = load <4 x i16>* %src
     21         %tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
     22         %0 = tail call <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16> %tmp3)
     23         store <4 x i32> %0, <4 x i32>* %dest
     24         ret void
     25 }
     26 
     27 declare <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16>) nounwind readnone
     28