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      1 ; RUN: opt < %s -mtriple=aarch64--linux-gnu -cost-model -analyze | FileCheck %s --check-prefix=COST
      2 ; RUN: llc < %s -mtriple=aarch64--linux-gnu | FileCheck %s --check-prefix=CODE
      3 
      4 ; COST-LABEL: trn1.v8i8
      5 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <8 x i8> %v0, <8 x i8> %v1, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>
      6 ; CODE-LABEL: trn1.v8i8
      7 ; CODE:       trn1 v0.8b, v0.8b, v1.8b
      8 define <8 x i8> @trn1.v8i8(<8 x i8> %v0, <8 x i8> %v1) {
      9   %tmp0 = shufflevector <8 x i8> %v0, <8 x i8> %v1, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>
     10   ret <8 x i8> %tmp0
     11 }
     12 
     13 ; COST-LABEL: trn2.v8i8
     14 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <8 x i8> %v0, <8 x i8> %v1, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15>
     15 ; CODE-LABEL: trn2.v8i8
     16 ; CODE:       trn2 v0.8b, v0.8b, v1.8b
     17 define <8 x i8> @trn2.v8i8(<8 x i8> %v0, <8 x i8> %v1) {
     18   %tmp0 = shufflevector <8 x i8> %v0, <8 x i8> %v1, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15>
     19   ret <8 x i8> %tmp0
     20 }
     21 
     22 ; COST-LABEL: trn1.v16i8
     23 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <16 x i8> %v0, <16 x i8> %v1, <16 x i32> <i32 0, i32 16, i32 2, i32 18, i32 4, i32 20, i32 6, i32 22, i32 8, i32 24, i32 10, i32 26, i32 12, i32 28, i32 14, i32 30>
     24 ; CODE-LABEL: trn1.v16i8
     25 ; CODE:       trn1 v0.16b, v0.16b, v1.16b
     26 define <16 x i8> @trn1.v16i8(<16 x i8> %v0, <16 x i8> %v1) {
     27   %tmp0 = shufflevector <16 x i8> %v0, <16 x i8> %v1, <16 x i32> <i32 0, i32 16, i32 2, i32 18, i32 4, i32 20, i32 6, i32 22, i32 8, i32 24, i32 10, i32 26, i32 12, i32 28, i32 14, i32 30>
     28   ret <16 x i8> %tmp0
     29 }
     30 
     31 ; COST-LABEL: trn2.v16i8
     32 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <16 x i8> %v0, <16 x i8> %v1, <16 x i32> <i32 1, i32 17, i32 3, i32 19, i32 5, i32 21, i32 7, i32 23, i32 9, i32 25, i32 11, i32 27, i32 13, i32 29, i32 15, i32 31>
     33 ; CODE-LABEL: trn2.v16i8
     34 ; CODE:       trn2 v0.16b, v0.16b, v1.16b
     35 define <16 x i8> @trn2.v16i8(<16 x i8> %v0, <16 x i8> %v1) {
     36   %tmp0 = shufflevector <16 x i8> %v0, <16 x i8> %v1, <16 x i32> <i32 1, i32 17, i32 3, i32 19, i32 5, i32 21, i32 7, i32 23, i32 9, i32 25, i32 11, i32 27, i32 13, i32 29, i32 15, i32 31>
     37   ret <16 x i8> %tmp0
     38 }
     39 
     40 ; COST-LABEL: trn1.v4i16
     41 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <4 x i16> %v0, <4 x i16> %v1, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
     42 ; CODE-LABEL: trn1.v4i16
     43 ; CODE:       trn1 v0.4h, v0.4h, v1.4h
     44 define <4 x i16> @trn1.v4i16(<4 x i16> %v0, <4 x i16> %v1) {
     45   %tmp0 = shufflevector <4 x i16> %v0, <4 x i16> %v1, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
     46   ret <4 x i16> %tmp0
     47 }
     48 
     49 ; COST-LABEL: trn2.v4i16
     50 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <4 x i16> %v0, <4 x i16> %v1, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
     51 ; CODE-LABEL: trn2.v4i16
     52 ; CODE:       trn2 v0.4h, v0.4h, v1.4h
     53 define <4 x i16> @trn2.v4i16(<4 x i16> %v0, <4 x i16> %v1) {
     54   %tmp0 = shufflevector <4 x i16> %v0, <4 x i16> %v1, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
     55   ret <4 x i16> %tmp0
     56 }
     57 
     58 ; COST-LABEL: trn1.v8i16
     59 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <8 x i16> %v0, <8 x i16> %v1, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>
     60 ; CODE-LABEL: trn1.v8i16
     61 ; CODE:       trn1 v0.8h, v0.8h, v1.8h
     62 define <8 x i16> @trn1.v8i16(<8 x i16> %v0, <8 x i16> %v1) {
     63   %tmp0 = shufflevector <8 x i16> %v0, <8 x i16> %v1, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>
     64   ret <8 x i16> %tmp0
     65 }
     66 
     67 ; COST-LABEL: trn2.v8i16
     68 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <8 x i16> %v0, <8 x i16> %v1, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15>
     69 ; CODE-LABEL: trn2.v8i16
     70 ; CODE:       trn2 v0.8h, v0.8h, v1.8h
     71 define <8 x i16> @trn2.v8i16(<8 x i16> %v0, <8 x i16> %v1) {
     72   %tmp0 = shufflevector <8 x i16> %v0, <8 x i16> %v1, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15>
     73   ret <8 x i16> %tmp0
     74 }
     75 
     76 ; COST-LABEL: trn1.v2i32
     77 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <2 x i32> %v0, <2 x i32> %v1, <2 x i32> <i32 0, i32 2>
     78 ; CODE-LABEL: trn1.v2i32
     79 ; CODE:       zip1 v0.2s, v0.2s, v1.2s
     80 define <2 x i32> @trn1.v2i32(<2 x i32> %v0, <2 x i32> %v1) {
     81   %tmp0 = shufflevector <2 x i32> %v0, <2 x i32> %v1, <2 x i32> <i32 0, i32 2>
     82   ret <2 x i32> %tmp0
     83 }
     84 
     85 ; COST-LABEL: trn2.v2i32
     86 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <2 x i32> %v0, <2 x i32> %v1, <2 x i32> <i32 1, i32 3>
     87 ; CODE-LABEL: trn2.v2i32
     88 ; CODE:       zip2 v0.2s, v0.2s, v1.2s
     89 define <2 x i32> @trn2.v2i32(<2 x i32> %v0, <2 x i32> %v1) {
     90   %tmp0 = shufflevector <2 x i32> %v0, <2 x i32> %v1, <2 x i32> <i32 1, i32 3>
     91   ret <2 x i32> %tmp0
     92 }
     93 
     94 ; COST-LABEL: trn1.v4i32
     95 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <4 x i32> %v0, <4 x i32> %v1, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
     96 ; CODE-LABEL: trn1.v4i32
     97 ; CODE:       trn1 v0.4s, v0.4s, v1.4s
     98 define <4 x i32> @trn1.v4i32(<4 x i32> %v0, <4 x i32> %v1) {
     99   %tmp0 = shufflevector <4 x i32> %v0, <4 x i32> %v1, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
    100   ret <4 x i32> %tmp0
    101 }
    102 
    103 ; COST-LABEL: trn2.v4i32
    104 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <4 x i32> %v0, <4 x i32> %v1, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
    105 ; CODE-LABEL: trn2.v4i32
    106 ; CODE:       trn2 v0.4s, v0.4s, v1.4s
    107 define <4 x i32> @trn2.v4i32(<4 x i32> %v0, <4 x i32> %v1) {
    108   %tmp0 = shufflevector <4 x i32> %v0, <4 x i32> %v1, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
    109   ret <4 x i32> %tmp0
    110 }
    111 
    112 ; COST-LABEL: trn1.v2i64
    113 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <2 x i64> %v0, <2 x i64> %v1, <2 x i32> <i32 0, i32 2>
    114 ; CODE-LABEL: trn1.v2i64
    115 ; CODE:       zip1 v0.2d, v0.2d, v1.2d
    116 define <2 x i64> @trn1.v2i64(<2 x i64> %v0, <2 x i64> %v1) {
    117   %tmp0 = shufflevector <2 x i64> %v0, <2 x i64> %v1, <2 x i32> <i32 0, i32 2>
    118   ret <2 x i64> %tmp0
    119 }
    120 
    121 ; COST-LABEL: trn2.v2i64
    122 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <2 x i64> %v0, <2 x i64> %v1, <2 x i32> <i32 1, i32 3>
    123 ; CODE-LABEL: trn2.v2i64
    124 ; CODE:       zip2 v0.2d, v0.2d, v1.2d
    125 define <2 x i64> @trn2.v2i64(<2 x i64> %v0, <2 x i64> %v1) {
    126   %tmp0 = shufflevector <2 x i64> %v0, <2 x i64> %v1, <2 x i32> <i32 1, i32 3>
    127   ret <2 x i64> %tmp0
    128 }
    129 
    130 ; COST-LABEL: trn1.v2f32
    131 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <2 x float> %v0, <2 x float> %v1, <2 x i32> <i32 0, i32 2>
    132 ; CODE-LABEL: trn1.v2f32
    133 ; CODE:       zip1 v0.2s, v0.2s, v1.2s
    134 define <2 x float> @trn1.v2f32(<2 x float> %v0, <2 x float> %v1) {
    135   %tmp0 = shufflevector <2 x float> %v0, <2 x float> %v1, <2 x i32> <i32 0, i32 2>
    136   ret <2 x float> %tmp0
    137 }
    138 
    139 ; COST-LABEL: trn2.v2f32
    140 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <2 x float> %v0, <2 x float> %v1, <2 x i32> <i32 1, i32 3>
    141 ; CODE-LABEL: trn2.v2f32
    142 ; CODE:       zip2 v0.2s, v0.2s, v1.2s
    143 define <2 x float> @trn2.v2f32(<2 x float> %v0, <2 x float> %v1) {
    144   %tmp0 = shufflevector <2 x float> %v0, <2 x float> %v1, <2 x i32> <i32 1, i32 3>
    145   ret <2 x float> %tmp0
    146 }
    147 
    148 ; COST-LABEL: trn1.v4f32
    149 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <4 x float> %v0, <4 x float> %v1, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
    150 ; CODE-LABEL: trn1.v4f32
    151 ; CODE:       trn1 v0.4s, v0.4s, v1.4s
    152 define <4 x float> @trn1.v4f32(<4 x float> %v0, <4 x float> %v1) {
    153   %tmp0 = shufflevector <4 x float> %v0, <4 x float> %v1, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
    154   ret <4 x float> %tmp0
    155 }
    156 
    157 ; COST-LABEL: trn2.v4f32
    158 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <4 x float> %v0, <4 x float> %v1, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
    159 ; CODE-LABEL: trn2.v4f32
    160 ; CODE:       trn2 v0.4s, v0.4s, v1.4s
    161 define <4 x float> @trn2.v4f32(<4 x float> %v0, <4 x float> %v1) {
    162   %tmp0 = shufflevector <4 x float> %v0, <4 x float> %v1, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
    163   ret <4 x float> %tmp0
    164 }
    165 
    166 ; COST-LABEL: trn1.v2f64
    167 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <2 x double> %v0, <2 x double> %v1, <2 x i32> <i32 0, i32 2>
    168 ; CODE-LABEL: trn1.v2f64
    169 ; CODE:       zip1 v0.2d, v0.2d, v1.2d
    170 define <2 x double> @trn1.v2f64(<2 x double> %v0, <2 x double> %v1) {
    171   %tmp0 = shufflevector <2 x double> %v0, <2 x double> %v1, <2 x i32> <i32 0, i32 2>
    172   ret <2 x double> %tmp0
    173 }
    174 
    175 ; COST-LABEL: trn2.v2f64
    176 ; COST:       Found an estimated cost of 1 for instruction: %tmp0 = shufflevector <2 x double> %v0, <2 x double> %v1, <2 x i32> <i32 1, i32 3>
    177 ; CODE-LABEL: trn2.v2f64
    178 ; CODE:       zip2 v0.2d, v0.2d, v1.2d
    179 define <2 x double> @trn2.v2f64(<2 x double> %v0, <2 x double> %v1) {
    180   %tmp0 = shufflevector <2 x double> %v0, <2 x double> %v1, <2 x i32> <i32 1, i32 3>
    181   ret <2 x double> %tmp0
    182 }
    183