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      1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
      2 
      3 ; CHECK: @A
      4 ; CHECK-NOT: vunpck
      5 ; CHECK: vextractf128 $1
      6 define <8 x float> @A(<8 x float> %a) nounwind uwtable readnone ssp {
      7 entry:
      8   %shuffle = shufflevector <8 x float> %a, <8 x float> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 8, i32 8, i32 8, i32 8>
      9   ret <8 x float> %shuffle
     10 }
     11 
     12 ; CHECK: @B
     13 ; CHECK-NOT: vunpck
     14 ; CHECK: vextractf128 $1
     15 define <4 x double> @B(<4 x double> %a) nounwind uwtable readnone ssp {
     16 entry:
     17   %shuffle = shufflevector <4 x double> %a, <4 x double> undef, <4 x i32> <i32 2, i32 3, i32 4, i32 4>
     18   ret <4 x double> %shuffle
     19 }
     20 
     21 ; CHECK: @t0
     22 ; CHECK-NOT: vextractf128 $1, %ymm0, %xmm0
     23 ; CHECK-NOT: vmovaps %xmm0, (%rdi)
     24 ; CHECK: vextractf128 $1, %ymm0, (%rdi)
     25 define void @t0(float* nocapture %addr, <8 x float> %a) nounwind uwtable ssp {
     26 entry:
     27   %0 = tail call <4 x float> @llvm.x86.avx.vextractf128.ps.256(<8 x float> %a, i8 1)
     28   %1 = bitcast float* %addr to <4 x float>*
     29   store <4 x float> %0, <4 x float>* %1, align 16
     30   ret void
     31 }
     32 
     33 declare <4 x float> @llvm.x86.avx.vextractf128.ps.256(<8 x float>, i8) nounwind readnone
     34 
     35 ; CHECK: @t2
     36 ; CHECK-NOT: vextractf128 $1, %ymm0, %xmm0
     37 ; CHECK-NOT: vmovaps %xmm0, (%rdi)
     38 ; CHECK: vextractf128 $1, %ymm0, (%rdi)
     39 define void @t2(double* nocapture %addr, <4 x double> %a) nounwind uwtable ssp {
     40 entry:
     41   %0 = tail call <2 x double> @llvm.x86.avx.vextractf128.pd.256(<4 x double> %a, i8 1)
     42   %1 = bitcast double* %addr to <2 x double>*
     43   store <2 x double> %0, <2 x double>* %1, align 16
     44   ret void
     45 }
     46 
     47 declare <2 x double> @llvm.x86.avx.vextractf128.pd.256(<4 x double>, i8) nounwind readnone
     48 
     49 ; CHECK: @t4
     50 ; CHECK-NOT: vextractf128 $1, %ymm0, %xmm0
     51 ; CHECK-NOT: vmovaps %xmm0, (%rdi)
     52 ; CHECK: vextractf128 $1, %ymm0, (%rdi)
     53 define void @t4(<2 x i64>* nocapture %addr, <4 x i64> %a) nounwind uwtable ssp {
     54 entry:
     55   %0 = bitcast <4 x i64> %a to <8 x i32>
     56   %1 = tail call <4 x i32> @llvm.x86.avx.vextractf128.si.256(<8 x i32> %0, i8 1)
     57   %2 = bitcast <4 x i32> %1 to <2 x i64>
     58   store <2 x i64> %2, <2 x i64>* %addr, align 16
     59   ret void
     60 }
     61 
     62 declare <4 x i32> @llvm.x86.avx.vextractf128.si.256(<8 x i32>, i8) nounwind readnone
     63 
     64 ; CHECK: @t5
     65 ; CHECK: vmovaps %xmm0, (%rdi)
     66 define void @t5(float* nocapture %addr, <8 x float> %a) nounwind uwtable ssp {
     67 entry:
     68   %0 = tail call <4 x float> @llvm.x86.avx.vextractf128.ps.256(<8 x float> %a, i8 0)
     69   %1 = bitcast float* %addr to <4 x float>*
     70   store <4 x float> %0, <4 x float>* %1, align 16
     71   ret void
     72 }
     73 
     74 ; CHECK: @t6
     75 ; CHECK: vmovaps %xmm0, (%rdi)
     76 define void @t6(double* nocapture %addr, <4 x double> %a) nounwind uwtable ssp {
     77 entry:
     78   %0 = tail call <2 x double> @llvm.x86.avx.vextractf128.pd.256(<4 x double> %a, i8 0)
     79   %1 = bitcast double* %addr to <2 x double>*
     80   store <2 x double> %0, <2 x double>* %1, align 16
     81   ret void
     82 }
     83 
     84 ; CHECK: @t7
     85 ; CHECK: vmovaps %xmm0, (%rdi)
     86 define void @t7(<2 x i64>* nocapture %addr, <4 x i64> %a) nounwind uwtable ssp {
     87 entry:
     88   %0 = bitcast <4 x i64> %a to <8 x i32>
     89   %1 = tail call <4 x i32> @llvm.x86.avx.vextractf128.si.256(<8 x i32> %0, i8 0)
     90   %2 = bitcast <4 x i32> %1 to <2 x i64>
     91   store <2 x i64> %2, <2 x i64>* %addr, align 16
     92   ret void
     93 }
     94 
     95 ; CHECK: @t8
     96 ; CHECK: vmovups %xmm0, (%rdi)
     97 define void @t8(<2 x i64>* nocapture %addr, <4 x i64> %a) nounwind uwtable ssp {
     98 entry:
     99   %0 = bitcast <4 x i64> %a to <8 x i32>
    100   %1 = tail call <4 x i32> @llvm.x86.avx.vextractf128.si.256(<8 x i32> %0, i8 0)
    101   %2 = bitcast <4 x i32> %1 to <2 x i64>
    102   store <2 x i64> %2, <2 x i64>* %addr, align 1
    103   ret void
    104 }
    105