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      1 ; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=cortex-a8 -arm-atomic-cfg-tidy=0 | FileCheck %s
      2 ; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=cortex-a8 -arm-atomic-cfg-tidy=0 -regalloc=basic | FileCheck %s
      3 ; Implementing vld / vst as REG_SEQUENCE eliminates the extra vmov's.
      4 
      5 %struct.int16x8_t = type { <8 x i16> }
      6 %struct.int32x4_t = type { <4 x i32> }
      7 %struct.__neon_int8x8x2_t = type { <8 x i8>, <8 x i8> }
      8 %struct.__neon_int8x8x3_t = type { <8 x i8>,  <8 x i8>,  <8 x i8> }
      9 %struct.__neon_int16x8x2_t = type { <8 x i16>, <8 x i16> }
     10 %struct.__neon_int32x4x2_t = type { <4 x i32>, <4 x i32> }
     11 
     12 define void @t1(i16* %i_ptr, i16* %o_ptr, %struct.int32x4_t* nocapture %vT0ptr, %struct.int32x4_t* nocapture %vT1ptr) nounwind {
     13 entry:
     14 ; CHECK-LABEL:        t1:
     15 ; CHECK:        vld1.16
     16 ; CHECK-NOT:    vmov d
     17 ; CHECK:        vmovl.s16
     18 ; CHECK:        vshrn.i32
     19 ; CHECK:        vshrn.i32
     20 ; CHECK-NOT:    vmov d
     21 ; CHECK-NEXT:   vst1.16
     22   %0 = getelementptr inbounds %struct.int32x4_t* %vT0ptr, i32 0, i32 0 ; <<4 x i32>*> [#uses=1]
     23   %1 = load <4 x i32>* %0, align 16               ; <<4 x i32>> [#uses=1]
     24   %2 = getelementptr inbounds %struct.int32x4_t* %vT1ptr, i32 0, i32 0 ; <<4 x i32>*> [#uses=1]
     25   %3 = load <4 x i32>* %2, align 16               ; <<4 x i32>> [#uses=1]
     26   %4 = bitcast i16* %i_ptr to i8*                 ; <i8*> [#uses=1]
     27   %5 = tail call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %4, i32 1) ; <<8 x i16>> [#uses=1]
     28   %6 = bitcast <8 x i16> %5 to <2 x double>       ; <<2 x double>> [#uses=2]
     29   %7 = extractelement <2 x double> %6, i32 0      ; <double> [#uses=1]
     30   %8 = bitcast double %7 to <4 x i16>             ; <<4 x i16>> [#uses=1]
     31   %9 = sext <4 x i16> %8 to <4 x i32>             ; <<4 x i32>> [#uses=1]
     32   %10 = extractelement <2 x double> %6, i32 1     ; <double> [#uses=1]
     33   %11 = bitcast double %10 to <4 x i16>           ; <<4 x i16>> [#uses=1]
     34   %12 = sext <4 x i16> %11 to <4 x i32>           ; <<4 x i32>> [#uses=1]
     35   %13 = mul <4 x i32> %1, %9                      ; <<4 x i32>> [#uses=1]
     36   %14 = mul <4 x i32> %3, %12                     ; <<4 x i32>> [#uses=1]
     37   %15 = lshr <4 x i32> %13, <i32 12, i32 12, i32 12, i32 12>
     38   %trunc_15 = trunc <4 x i32> %15 to <4 x i16>
     39   %16 = lshr <4 x i32> %14, <i32 12, i32 12, i32 12, i32 12>
     40   %trunc_16 = trunc <4 x i32> %16 to <4 x i16>
     41   %17 = shufflevector <4 x i16> %trunc_15, <4 x i16> %trunc_16, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7> ; <<8 x i16>> [#uses=1]
     42   %18 = bitcast i16* %o_ptr to i8*                ; <i8*> [#uses=1]
     43   tail call void @llvm.arm.neon.vst1.v8i16(i8* %18, <8 x i16> %17, i32 1)
     44   ret void
     45 }
     46 
     47 define void @t2(i16* %i_ptr, i16* %o_ptr, %struct.int16x8_t* nocapture %vT0ptr, %struct.int16x8_t* nocapture %vT1ptr) nounwind {
     48 entry:
     49 ; CHECK-LABEL:        t2:
     50 ; CHECK:        vld1.16
     51 ; CHECK-NOT:    vmov
     52 ; CHECK:        vmul.i16
     53 ; CHECK:        vld1.16
     54 ; CHECK:        vmul.i16
     55 ; CHECK-NOT:    vmov
     56 ; CHECK:        vst1.16
     57 ; CHECK:        vst1.16
     58   %0 = getelementptr inbounds %struct.int16x8_t* %vT0ptr, i32 0, i32 0 ; <<8 x i16>*> [#uses=1]
     59   %1 = load <8 x i16>* %0, align 16               ; <<8 x i16>> [#uses=1]
     60   %2 = getelementptr inbounds %struct.int16x8_t* %vT1ptr, i32 0, i32 0 ; <<8 x i16>*> [#uses=1]
     61   %3 = load <8 x i16>* %2, align 16               ; <<8 x i16>> [#uses=1]
     62   %4 = bitcast i16* %i_ptr to i8*                 ; <i8*> [#uses=1]
     63   %5 = tail call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %4, i32 1) ; <<8 x i16>> [#uses=1]
     64   %6 = getelementptr inbounds i16* %i_ptr, i32 8  ; <i16*> [#uses=1]
     65   %7 = bitcast i16* %6 to i8*                     ; <i8*> [#uses=1]
     66   %8 = tail call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %7, i32 1) ; <<8 x i16>> [#uses=1]
     67   %9 = mul <8 x i16> %1, %5                       ; <<8 x i16>> [#uses=1]
     68   %10 = mul <8 x i16> %3, %8                      ; <<8 x i16>> [#uses=1]
     69   %11 = bitcast i16* %o_ptr to i8*                ; <i8*> [#uses=1]
     70   tail call void @llvm.arm.neon.vst1.v8i16(i8* %11, <8 x i16> %9, i32 1)
     71   %12 = getelementptr inbounds i16* %o_ptr, i32 8 ; <i16*> [#uses=1]
     72   %13 = bitcast i16* %12 to i8*                   ; <i8*> [#uses=1]
     73   tail call void @llvm.arm.neon.vst1.v8i16(i8* %13, <8 x i16> %10, i32 1)
     74   ret void
     75 }
     76 
     77 define <8 x i8> @t3(i8* %A, i8* %B) nounwind {
     78 ; CHECK-LABEL:        t3:
     79 ; CHECK:        vld3.8
     80 ; CHECK:        vmul.i8
     81 ; CHECK:        vmov r
     82 ; CHECK-NOT:    vmov d
     83 ; CHECK:        vst3.8
     84   %tmp1 = call %struct.__neon_int8x8x3_t @llvm.arm.neon.vld3.v8i8(i8* %A, i32 1) ; <%struct.__neon_int8x8x3_t> [#uses=2]
     85   %tmp2 = extractvalue %struct.__neon_int8x8x3_t %tmp1, 0 ; <<8 x i8>> [#uses=1]
     86   %tmp3 = extractvalue %struct.__neon_int8x8x3_t %tmp1, 2 ; <<8 x i8>> [#uses=1]
     87   %tmp4 = extractvalue %struct.__neon_int8x8x3_t %tmp1, 1 ; <<8 x i8>> [#uses=1]
     88   %tmp5 = sub <8 x i8> %tmp3, %tmp4
     89   %tmp6 = add <8 x i8> %tmp2, %tmp3               ; <<8 x i8>> [#uses=1]
     90   %tmp7 = mul <8 x i8> %tmp4, %tmp2
     91   tail call void @llvm.arm.neon.vst3.v8i8(i8* %B, <8 x i8> %tmp5, <8 x i8> %tmp6, <8 x i8> %tmp7, i32 1)
     92   ret <8 x i8> %tmp4
     93 }
     94 
     95 define void @t4(i32* %in, i32* %out) nounwind {
     96 entry:
     97 ; CHECK-LABEL:        t4:
     98 ; CHECK:        vld2.32
     99 ; CHECK-NOT:    vmov
    100 ; CHECK:        vld2.32
    101 ; CHECK-NOT:    vmov
    102 ; CHECK:        bne
    103   %tmp1 = bitcast i32* %in to i8*                 ; <i8*> [#uses=1]
    104   %tmp2 = tail call %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2.v4i32(i8* %tmp1, i32 1) ; <%struct.__neon_int32x4x2_t> [#uses=2]
    105   %tmp3 = getelementptr inbounds i32* %in, i32 8  ; <i32*> [#uses=1]
    106   %tmp4 = bitcast i32* %tmp3 to i8*               ; <i8*> [#uses=1]
    107   %tmp5 = tail call %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2.v4i32(i8* %tmp4, i32 1) ; <%struct.__neon_int32x4x2_t> [#uses=2]
    108   %tmp8 = bitcast i32* %out to i8*                ; <i8*> [#uses=1]
    109   br i1 undef, label %return1, label %return2
    110 
    111 return1:
    112 ; CHECK:        %return1
    113 ; CHECK-NOT:    vmov
    114 ; CHECK-NEXT:   vadd.i32
    115 ; CHECK-NEXT:   vadd.i32
    116 ; CHECK-NEXT:   vst2.32
    117   %tmp52 = extractvalue %struct.__neon_int32x4x2_t %tmp2, 0 ; <<4 x i32>> [#uses=1]
    118   %tmp57 = extractvalue %struct.__neon_int32x4x2_t %tmp2, 1 ; <<4 x i32>> [#uses=1]
    119   %tmp = extractvalue %struct.__neon_int32x4x2_t %tmp5, 0 ; <<4 x i32>> [#uses=1]
    120   %tmp39 = extractvalue %struct.__neon_int32x4x2_t %tmp5, 1 ; <<4 x i32>> [#uses=1]
    121   %tmp6 = add <4 x i32> %tmp52, %tmp              ; <<4 x i32>> [#uses=1]
    122   %tmp7 = add <4 x i32> %tmp57, %tmp39            ; <<4 x i32>> [#uses=1]
    123   tail call void @llvm.arm.neon.vst2.v4i32(i8* %tmp8, <4 x i32> %tmp6, <4 x i32> %tmp7, i32 1)
    124   ret void
    125 
    126 return2:
    127 ; CHECK:        %return2
    128 ; CHECK:        vadd.i32
    129 ; CHECK-NOT:    vmov
    130 ; CHECK:        vst2.32 {d{{[0-9]+}}, d{{[0-9]+}}, d{{[0-9]+}}, d{{[0-9]+}}}
    131   %tmp100 = extractvalue %struct.__neon_int32x4x2_t %tmp2, 0 ; <<4 x i32>> [#uses=1]
    132   %tmp101 = extractvalue %struct.__neon_int32x4x2_t %tmp5, 1 ; <<4 x i32>> [#uses=1]
    133   %tmp102 = add <4 x i32> %tmp100, %tmp101              ; <<4 x i32>> [#uses=1]
    134   tail call void @llvm.arm.neon.vst2.v4i32(i8* %tmp8, <4 x i32> %tmp102, <4 x i32> %tmp101, i32 1)
    135   call void @llvm.trap()
    136   unreachable
    137 }
    138 
    139 define <8 x i16> @t5(i16* %A, <8 x i16>* %B) nounwind {
    140 ; CHECK-LABEL:        t5:
    141 ; CHECK:        vld1.32
    142 ; How can FileCheck match Q and D registers? We need a lisp interpreter.
    143 ; CHECK:        vorr {{q[0-9]+}}, {{q[0-9]+}}, {{q[0-9]+}}
    144 ; CHECK-NOT:    vmov
    145 ; CHECK:        vld2.16 {d{{[0-9]+}}[1], d{{[0-9]+}}[1]}, [r0]
    146 ; CHECK-NOT:    vmov
    147 ; CHECK:        vadd.i16
    148   %tmp0 = bitcast i16* %A to i8*                  ; <i8*> [#uses=1]
    149   %tmp1 = load <8 x i16>* %B                      ; <<8 x i16>> [#uses=2]
    150   %tmp2 = call %struct.__neon_int16x8x2_t @llvm.arm.neon.vld2lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 1) ; <%struct.__neon_int16x8x2_t> [#uses=2]
    151   %tmp3 = extractvalue %struct.__neon_int16x8x2_t %tmp2, 0 ; <<8 x i16>> [#uses=1]
    152   %tmp4 = extractvalue %struct.__neon_int16x8x2_t %tmp2, 1 ; <<8 x i16>> [#uses=1]
    153   %tmp5 = add <8 x i16> %tmp3, %tmp4              ; <<8 x i16>> [#uses=1]
    154   ret <8 x i16> %tmp5
    155 }
    156 
    157 define <8 x i8> @t6(i8* %A, <8 x i8>* %B) nounwind {
    158 ; CHECK-LABEL:        t6:
    159 ; CHECK:        vldr
    160 ; CHECK:        vorr d[[D0:[0-9]+]], d[[D1:[0-9]+]]
    161 ; CHECK-NEXT:   vld2.8 {d[[D1]][1], d[[D0]][1]}
    162   %tmp1 = load <8 x i8>* %B                       ; <<8 x i8>> [#uses=2]
    163   %tmp2 = call %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 1) ; <%struct.__neon_int8x8x2_t> [#uses=2]
    164   %tmp3 = extractvalue %struct.__neon_int8x8x2_t %tmp2, 0 ; <<8 x i8>> [#uses=1]
    165   %tmp4 = extractvalue %struct.__neon_int8x8x2_t %tmp2, 1 ; <<8 x i8>> [#uses=1]
    166   %tmp5 = add <8 x i8> %tmp3, %tmp4               ; <<8 x i8>> [#uses=1]
    167   ret <8 x i8> %tmp5
    168 }
    169 
    170 define void @t7(i32* %iptr, i32* %optr) nounwind {
    171 entry:
    172 ; CHECK-LABEL:        t7:
    173 ; CHECK:        vld2.32
    174 ; CHECK:        vst2.32
    175 ; CHECK:        vld1.32 {d{{[0-9]+}}, d{{[0-9]+}}},
    176 ; CHECK:        vorr q[[Q0:[0-9]+]], q[[Q1:[0-9]+]], q[[Q1:[0-9]+]]
    177 ; CHECK-NOT:    vmov
    178 ; CHECK:        vuzp.32 q[[Q1]], q[[Q0]]
    179 ; CHECK:        vst1.32
    180   %0 = bitcast i32* %iptr to i8*                  ; <i8*> [#uses=2]
    181   %1 = tail call %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2.v4i32(i8* %0, i32 1) ; <%struct.__neon_int32x4x2_t> [#uses=2]
    182   %tmp57 = extractvalue %struct.__neon_int32x4x2_t %1, 0 ; <<4 x i32>> [#uses=1]
    183   %tmp60 = extractvalue %struct.__neon_int32x4x2_t %1, 1 ; <<4 x i32>> [#uses=1]
    184   %2 = bitcast i32* %optr to i8*                  ; <i8*> [#uses=2]
    185   tail call void @llvm.arm.neon.vst2.v4i32(i8* %2, <4 x i32> %tmp57, <4 x i32> %tmp60, i32 1)
    186   %3 = tail call <4 x i32> @llvm.arm.neon.vld1.v4i32(i8* %0, i32 1) ; <<4 x i32>> [#uses=1]
    187   %4 = shufflevector <4 x i32> %3, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 0, i32 2> ; <<4 x i32>> [#uses=1]
    188   tail call void @llvm.arm.neon.vst1.v4i32(i8* %2, <4 x i32> %4, i32 1)
    189   ret void
    190 }
    191 
    192 ; PR7156
    193 define arm_aapcs_vfpcc i32 @t8() nounwind {
    194 ; CHECK-LABEL: t8:
    195 ; CHECK: vrsqrte.f32 q8, q8
    196 bb.nph55.bb.nph55.split_crit_edge:
    197   br label %bb3
    198 
    199 bb3:                                              ; preds = %bb3, %bb.nph55.bb.nph55.split_crit_edge
    200   br i1 undef, label %bb5, label %bb3
    201 
    202 bb5:                                              ; preds = %bb3
    203   br label %bb.i25
    204 
    205 bb.i25:                                           ; preds = %bb.i25, %bb5
    206   %0 = shufflevector <2 x float> undef, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1]
    207   %1 = call <4 x float> @llvm.arm.neon.vrsqrte.v4f32(<4 x float> %0) nounwind ; <<4 x float>> [#uses=1]
    208   %2 = fmul <4 x float> %1, undef                 ; <<4 x float>> [#uses=1]
    209   %3 = fmul <4 x float> undef, %2                 ; <<4 x float>> [#uses=1]
    210   %tmp26.i = bitcast <4 x float> %3 to <2 x double> ; <<2 x double>> [#uses=1]
    211   %4 = extractelement <2 x double> %tmp26.i, i32 0 ; <double> [#uses=1]
    212   %5 = bitcast double %4 to <2 x float>           ; <<2 x float>> [#uses=1]
    213   %6 = extractelement <2 x float> %5, i32 1       ; <float> [#uses=1]
    214   store float %6, float* undef, align 4
    215   br i1 undef, label %bb6, label %bb.i25
    216 
    217 bb6:                                              ; preds = %bb.i25
    218   br i1 undef, label %bb7, label %bb14
    219 
    220 bb7:                                              ; preds = %bb6
    221   br label %bb.i49
    222 
    223 bb.i49:                                           ; preds = %bb.i49, %bb7
    224   br i1 undef, label %bb.i19, label %bb.i49
    225 
    226 bb.i19:                                           ; preds = %bb.i19, %bb.i49
    227   br i1 undef, label %exit, label %bb.i19
    228 
    229 exit:          ; preds = %bb.i19
    230   unreachable
    231 
    232 bb14:                                             ; preds = %bb6
    233   ret i32 0
    234 }
    235 
    236 %0 = type { %1, %1, %1, %1 }
    237 %1 = type { %2 }
    238 %2 = type { <4 x float> }
    239 %3 = type { %0, %1 }
    240 
    241 ; PR7157
    242 define arm_aapcs_vfpcc float @t9(%0* nocapture, %3* nocapture) nounwind {
    243 ; CHECK-LABEL:        t9:
    244 ; CHECK: vmov.i32 d16, #0x0
    245 ; CHECK-NEXT:   vst1.64 {d16, d17}, [r0:128]
    246 ; CHECK-NEXT:   vorr d17, d16, d16
    247 ; CHECK-NEXT:   vst1.64 {d16, d17}, [r0:128]
    248   %3 = bitcast double 0.000000e+00 to <2 x float> ; <<2 x float>> [#uses=2]
    249   %4 = shufflevector <2 x float> %3, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1]
    250   store <4 x float> %4, <4 x float>* undef, align 16
    251   %5 = shufflevector <2 x float> %3, <2 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1]
    252   store <4 x float> %5, <4 x float>* undef, align 16
    253   br label %8
    254 
    255 ; <label>:6                                       ; preds = %8
    256   br label %7
    257 
    258 ; <label>:7                                       ; preds = %6
    259   br label %8
    260 
    261 ; <label>:8                                       ; preds = %7, %2
    262   br label %6
    263 
    264 ; <label>:9                                       ; preds = %8
    265   ret float undef
    266 
    267 ; <label>:10                                      ; preds = %6
    268   ret float 9.990000e+02
    269 }
    270 
    271 ; PR7162
    272 define arm_aapcs_vfpcc i32 @t10() nounwind {
    273 entry:
    274 ; CHECK-LABEL: t10:
    275 ; CHECK: vmov.i32 q[[Q0:[0-9]+]], #0x3f000000
    276 ; CHECK: vmul.f32 q8, q8, d[[DREG:[0-1]+]]
    277 ; CHECK: vadd.f32 q8, q8, q8
    278   %0 = shufflevector <4 x float> zeroinitializer, <4 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
    279   %1 = insertelement <4 x float> %0, float undef, i32 1 ; <<4 x float>> [#uses=1]
    280   %2 = insertelement <4 x float> %1, float undef, i32 2 ; <<4 x float>> [#uses=1]
    281   %3 = insertelement <4 x float> %2, float undef, i32 3 ; <<4 x float>> [#uses=1]
    282   %tmp54.i = bitcast <4 x float> %3 to <2 x double> ; <<2 x double>> [#uses=1]
    283   %4 = extractelement <2 x double> %tmp54.i, i32 1 ; <double> [#uses=1]
    284   %5 = bitcast double %4 to <2 x float>           ; <<2 x float>> [#uses=1]
    285   %6 = shufflevector <2 x float> %5, <2 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
    286   %7 = fmul <4 x float> undef, %6                 ; <<4 x float>> [#uses=1]
    287   %8 = fadd <4 x float> %7, undef                 ; <<4 x float>> [#uses=1]
    288   %9 = fadd <4 x float> %8, undef                 ; <<4 x float>> [#uses=1]
    289   %10 = shufflevector <4 x float> undef, <4 x float> %9, <4 x i32> <i32 0, i32 1, i32 2, i32 7> ; <<4 x float>> [#uses=1]
    290   %11 = fmul <4 x float> %10, <float 5.000000e-01, float 5.000000e-01, float 5.000000e-01, float 5.000000e-01> ; <<4 x float>> [#uses=1]
    291   %12 = shufflevector <4 x float> %11, <4 x float> undef, <4 x i32> <i32 3, i32 undef, i32 undef, i32 undef> ; <<4 x float>> [#uses=1]
    292   %13 = shufflevector <4 x float> %12, <4 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
    293   %14 = fmul <4 x float> %13, undef               ; <<4 x float>> [#uses=1]
    294   %15 = fadd <4 x float> undef, %14               ; <<4 x float>> [#uses=1]
    295   %16 = shufflevector <4 x float> undef, <4 x float> %15, <4 x i32> <i32 0, i32 1, i32 6, i32 3> ; <<4 x float>> [#uses=1]
    296   %17 = fmul <4 x float> %16, undef               ; <<4 x float>> [#uses=1]
    297   %18 = extractelement <4 x float> %17, i32 2     ; <float> [#uses=1]
    298   store float %18, float* undef, align 4
    299   br i1 undef, label %exit, label %bb14
    300 
    301 exit:          ; preds = %bb.i19
    302   unreachable
    303 
    304 bb14:                                             ; preds = %bb6
    305   ret i32 0
    306 }
    307 
    308 ; This test crashes the coalescer because live variables were not updated properly.
    309 define <8 x i8> @t11(i8* %A1, i8* %A2, i8* %A3, i8* %A4, i8* %A5, i8* %A6, i8* %A7, i8* %A8, i8* %B) nounwind {
    310   %tmp1d = call %struct.__neon_int8x8x3_t @llvm.arm.neon.vld3.v8i8(i8* %A4, i32 1) ; <%struct.__neon_int8x8x3_t> [#uses=1]
    311   %tmp2d = extractvalue %struct.__neon_int8x8x3_t %tmp1d, 0 ; <<8 x i8>> [#uses=1]
    312   %tmp1f = call %struct.__neon_int8x8x3_t @llvm.arm.neon.vld3.v8i8(i8* %A6, i32 1) ; <%struct.__neon_int8x8x3_t> [#uses=1]
    313   %tmp2f = extractvalue %struct.__neon_int8x8x3_t %tmp1f, 0 ; <<8 x i8>> [#uses=1]
    314   %tmp2bd = add <8 x i8> zeroinitializer, %tmp2d  ; <<8 x i8>> [#uses=1]
    315   %tmp2abcd = mul <8 x i8> zeroinitializer, %tmp2bd ; <<8 x i8>> [#uses=1]
    316   %tmp2ef = sub <8 x i8> zeroinitializer, %tmp2f  ; <<8 x i8>> [#uses=1]
    317   %tmp2efgh = mul <8 x i8> %tmp2ef, undef         ; <<8 x i8>> [#uses=2]
    318   call void @llvm.arm.neon.vst3.v8i8(i8* %A2, <8 x i8> undef, <8 x i8> undef, <8 x i8> %tmp2efgh, i32 1)
    319   %tmp2 = sub <8 x i8> %tmp2efgh, %tmp2abcd       ; <<8 x i8>> [#uses=1]
    320   %tmp7 = mul <8 x i8> undef, %tmp2               ; <<8 x i8>> [#uses=1]
    321   tail call void @llvm.arm.neon.vst3.v8i8(i8* %B, <8 x i8> undef, <8 x i8> undef, <8 x i8> %tmp7, i32 1)
    322   ret <8 x i8> undef
    323 }
    324 
    325 declare <4 x i32> @llvm.arm.neon.vld1.v4i32(i8*, i32) nounwind readonly
    326 
    327 declare <8 x i16> @llvm.arm.neon.vld1.v8i16(i8*, i32) nounwind readonly
    328 
    329 declare <4 x i16> @llvm.arm.neon.vshiftn.v4i16(<4 x i32>, <4 x i32>) nounwind readnone
    330 
    331 declare void @llvm.arm.neon.vst1.v4i32(i8*, <4 x i32>, i32) nounwind
    332 
    333 declare void @llvm.arm.neon.vst1.v8i16(i8*, <8 x i16>, i32) nounwind
    334 
    335 declare void @llvm.arm.neon.vst3.v8i8(i8*, <8 x i8>, <8 x i8>, <8 x i8>, i32)
    336 nounwind
    337 
    338 declare %struct.__neon_int8x8x3_t @llvm.arm.neon.vld3.v8i8(i8*, i32) nounwind readonly
    339 
    340 declare %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2.v4i32(i8*, i32) nounwind readonly
    341 
    342 declare %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2lane.v8i8(i8*, <8 x i8>, <8 x i8>, i32, i32) nounwind readonly
    343 
    344 declare %struct.__neon_int16x8x2_t @llvm.arm.neon.vld2lane.v8i16(i8*, <8 x i16>, <8 x i16>, i32, i32) nounwind readonly
    345 
    346 declare void @llvm.arm.neon.vst2.v4i32(i8*, <4 x i32>, <4 x i32>, i32) nounwind
    347 
    348 declare <4 x float> @llvm.arm.neon.vrsqrte.v4f32(<4 x float>) nounwind readnone
    349 
    350 declare void @llvm.trap() nounwind
    351