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      1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
      2 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s
      3 
      4 ; Avoid unnecessary vinsertf128
      5 define <4 x i64> @test1(<4 x i64> %a) nounwind {
      6 ; CHECK-LABEL: test1:
      7 ; CHECK:       # BB#0:
      8 ; CHECK-NEXT:    vextractf128 $1, %ymm0, %xmm1
      9 ; CHECK-NEXT:    vunpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
     10 ; CHECK-NEXT:    retl
     11  %b = shufflevector <4 x i64> %a, <4 x i64> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
     12  ret <4 x i64>%b
     13 }
     14 
     15 define <8 x i16> @test2(<4 x i16>* %v) nounwind {
     16 ; CHECK-LABEL: test2:
     17 ; CHECK:       # BB#0:
     18 ; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
     19 ; CHECK-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
     20 ; CHECK-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
     21 ; CHECK-NEXT:    retl
     22   %v9 = load <4 x i16>, <4 x i16> * %v, align 8
     23   %v10 = shufflevector <4 x i16> %v9, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
     24   %v11 = shufflevector <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 0, i16 0, i16 0, i16 0>, <8 x i16> %v10, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 4, i32 5, i32 6, i32 7>
     25   ret <8 x i16> %v11
     26 }
     27