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      1 ; RUN: llc < %s -mattr=+avx -mtriple=i686-pc-win32 | FileCheck %s
      2 
      3 define void @endless_loop() {
      4 ; CHECK-LABEL: endless_loop:
      5 ; CHECK-NEXT:     # BB#0:
      6 ; CHECK-NEXT:	vmovaps	(%eax), %ymm0
      7 ; CHECK-NEXT:	vextractf128	$1, %ymm0, %xmm0
      8 ; CHECK-NEXT:	vmovsldup	%xmm0, %xmm0    # xmm0 = xmm0[0,0,2,2]
      9 ; CHECK-NEXT:	vmovddup	%xmm0, %xmm1    # xmm1 = xmm0[0,0]
     10 ; CHECK-NEXT:	vinsertf128	$1, %xmm1, %ymm0, %ymm1
     11 ; CHECK-NEXT:	vxorps	%xmm2, %xmm2, %xmm2
     12 ; CHECK-NEXT:	vblendps	$128, %ymm1, %ymm2, %ymm1 # ymm1 = ymm2[0,1,2,3,4,5,6],ymm1[7]
     13 ; CHECK-NEXT:	vxorps	%ymm2, %ymm2, %ymm2
     14 ; CHECK-NEXT:	vblendps	$1, %ymm0, %ymm2, %ymm0 # ymm0 = ymm0[0],ymm2[1,2,3,4,5,6,7]
     15 ; CHECK-NEXT:	vmovaps	%ymm0, (%eax)
     16 ; CHECK-NEXT:	vmovaps	%ymm1, (%eax)
     17 ; CHECK-NEXT:	vzeroupper
     18 ; CHECK-NEXT:	retl
     19 entry:
     20   %0 = load <8 x i32>, <8 x i32> addrspace(1)* undef, align 32
     21   %1 = shufflevector <8 x i32> %0, <8 x i32> undef, <16 x i32> <i32 4, i32 4, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
     22   %2 = shufflevector <16 x i32> <i32 undef, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 undef>, <16 x i32> %1, <16 x i32> <i32 16, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 17>
     23   store <16 x i32> %2, <16 x i32> addrspace(1)* undef, align 64
     24   ret void
     25 }
     26