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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: sel.v8i8
      5 ; COST:       Found an estimated cost of 42 for instruction: %tmp0 = shufflevector <8 x i8> %v0, <8 x i8> %v1, <8 x i32> <i32 0, i32 9, i32 2, i32 11, i32 4, i32 13, i32 6, i32 15>
      6 ; CODE-LABEL: sel.v8i8
      7 ; CODE:       tbl v0.8b, { v0.16b }, v2.8b
      8 define <8 x i8> @sel.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 9, i32 2, i32 11, i32 4, i32 13, i32 6, i32 15>
     10   ret <8 x i8> %tmp0
     11 }
     12 
     13 ; COST-LABEL: sel.v16i8
     14 ; COST:       Found an estimated cost of 90 for instruction: %tmp0 = shufflevector <16 x i8> %v0, <16 x i8> %v1, <16 x i32> <i32 0, i32 17, i32 2, i32 19, i32 4, i32 21, i32 6, i32 23, i32 8, i32 25, i32 10, i32 27, i32 12, i32 29, i32 14, i32 31>
     15 ; CODE-LABEL: sel.v16i8
     16 ; CODE:       tbl v0.16b, { v0.16b, v1.16b }, v2.16b
     17 define <16 x i8> @sel.v16i8(<16 x i8> %v0, <16 x i8> %v1) {
     18   %tmp0 = shufflevector <16 x i8> %v0, <16 x i8> %v1, <16 x i32> <i32 0, i32 17, i32 2, i32 19, i32 4, i32 21, i32 6, i32 23, i32 8, i32 25, i32 10, i32 27, i32 12, i32 29, i32 14, i32 31>
     19   ret <16 x i8> %tmp0
     20 }
     21 
     22 ; COST-LABEL: sel.v4i16
     23 ; COST:       Found an estimated cost of 18 for instruction: %tmp0 = shufflevector <4 x i16> %v0, <4 x i16> %v1, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
     24 ; CODE-LABEL: sel.v4i16
     25 ; CODE:       rev32 v0.4h, v0.4h
     26 ; CODE:       trn2 v0.4h, v0.4h, v1.4h
     27 define <4 x i16> @sel.v4i16(<4 x i16> %v0, <4 x i16> %v1) {
     28   %tmp0 = shufflevector <4 x i16> %v0, <4 x i16> %v1, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
     29   ret <4 x i16> %tmp0
     30 }
     31 
     32 ; COST-LABEL: sel.v8i16
     33 ; COST:       Found an estimated cost of 42 for instruction: %tmp0 = shufflevector <8 x i16> %v0, <8 x i16> %v1, <8 x i32> <i32 0, i32 9, i32 2, i32 11, i32 4, i32 13, i32 6, i32 15>
     34 ; CODE-LABEL: sel.v8i16
     35 ; CODE:       tbl v0.16b, { v0.16b, v1.16b }, v2.16b
     36 define <8 x i16> @sel.v8i16(<8 x i16> %v0, <8 x i16> %v1) {
     37   %tmp0 = shufflevector <8 x i16> %v0, <8 x i16> %v1, <8 x i32> <i32 0, i32 9, i32 2, i32 11, i32 4, i32 13, i32 6, i32 15>
     38   ret <8 x i16> %tmp0
     39 }
     40 
     41 ; COST-LABEL: sel.v2i32
     42 ; 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 3>
     43 ; CODE-LABEL: sel.v2i32
     44 ; CODE:       mov v0.s[1], v1.s[1]
     45 define <2 x i32> @sel.v2i32(<2 x i32> %v0, <2 x i32> %v1) {
     46   %tmp0 = shufflevector <2 x i32> %v0, <2 x i32> %v1, <2 x i32> <i32 0, i32 3>
     47   ret <2 x i32> %tmp0
     48 }
     49 
     50 ; COST-LABEL: sel.v4i32
     51 ; COST:       Found an estimated cost of 2 for instruction: %tmp0 = shufflevector <4 x i32> %v0, <4 x i32> %v1, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
     52 ; CODE-LABEL: sel.v4i32
     53 ; CODE:       rev64 v0.4s, v0.4s
     54 ; CODE:       trn2 v0.4s, v0.4s, v1.4s
     55 define <4 x i32> @sel.v4i32(<4 x i32> %v0, <4 x i32> %v1) {
     56   %tmp0 = shufflevector <4 x i32> %v0, <4 x i32> %v1, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
     57   ret <4 x i32> %tmp0
     58 }
     59 
     60 ; COST-LABEL: sel.v2i64
     61 ; 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 3>
     62 ; CODE-LABEL: sel.v2i64
     63 ; CODE:       mov v0.d[1], v1.d[1]
     64 define <2 x i64> @sel.v2i64(<2 x i64> %v0, <2 x i64> %v1) {
     65   %tmp0 = shufflevector <2 x i64> %v0, <2 x i64> %v1, <2 x i32> <i32 0, i32 3>
     66   ret <2 x i64> %tmp0
     67 }
     68 
     69 ; COST-LABEL: sel.v2f32
     70 ; 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 3>
     71 ; CODE-LABEL: sel.v2f32
     72 ; CODE:       mov v0.s[1], v1.s[1]
     73 define <2 x float> @sel.v2f32(<2 x float> %v0, <2 x float> %v1) {
     74   %tmp0 = shufflevector <2 x float> %v0, <2 x float> %v1, <2 x i32> <i32 0, i32 3>
     75   ret <2 x float> %tmp0
     76 }
     77 
     78 ; COST-LABEL: sel.v4f32
     79 ; COST:       Found an estimated cost of 2 for instruction: %tmp0 = shufflevector <4 x float> %v0, <4 x float> %v1, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
     80 ; CODE-LABEL: sel.v4f32
     81 ; CODE:       rev64 v0.4s, v0.4s
     82 ; CODE:       trn2 v0.4s, v0.4s, v1.4s
     83 define <4 x float> @sel.v4f32(<4 x float> %v0, <4 x float> %v1) {
     84   %tmp0 = shufflevector <4 x float> %v0, <4 x float> %v1, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
     85   ret <4 x float> %tmp0
     86 }
     87 
     88 ; COST-LABEL: sel.v2f64
     89 ; 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 3>
     90 ; CODE-LABEL: sel.v2f64
     91 ; CODE:       mov v0.d[1], v1.d[1]
     92 define <2 x double> @sel.v2f64(<2 x double> %v0, <2 x double> %v1) {
     93   %tmp0 = shufflevector <2 x double> %v0, <2 x double> %v1, <2 x i32> <i32 0, i32 3>
     94   ret <2 x double> %tmp0
     95 }
     96