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      1 // RUN: %clang_cc1 -triple arm64-none-linux-gnu -target-feature +neon \
      2 // RUN:  -emit-llvm -o - %s | opt -S -mem2reg | FileCheck %s
      3 
      4 
      5 #include <arm_neon.h>
      6 
      7 // CHECK-LABEL: define float @test_vdups_lane_f32(<2 x float> %a) #0 {
      8 // CHECK:   [[TMP0:%.*]] = bitcast <2 x float> %a to <8 x i8>
      9 // CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <2 x float>
     10 // CHECK:   [[VDUPS_LANE:%.*]] = extractelement <2 x float> [[TMP1]], i32 1
     11 // CHECK:   ret float [[VDUPS_LANE]]
     12 float32_t test_vdups_lane_f32(float32x2_t a) {
     13   return vdups_lane_f32(a, 1);
     14 }
     15 
     16 
     17 // CHECK-LABEL: define double @test_vdupd_lane_f64(<1 x double> %a) #0 {
     18 // CHECK:   [[TMP0:%.*]] = bitcast <1 x double> %a to <8 x i8>
     19 // CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <1 x double>
     20 // CHECK:   [[VDUPD_LANE:%.*]] = extractelement <1 x double> [[TMP1]], i32 0
     21 // CHECK:   ret double [[VDUPD_LANE]]
     22 float64_t test_vdupd_lane_f64(float64x1_t a) {
     23   return vdupd_lane_f64(a, 0);
     24 }
     25 
     26 
     27 // CHECK-LABEL: define float @test_vdups_laneq_f32(<4 x float> %a) #0 {
     28 // CHECK:   [[TMP0:%.*]] = bitcast <4 x float> %a to <16 x i8>
     29 // CHECK:   [[TMP1:%.*]] = bitcast <16 x i8> [[TMP0]] to <4 x float>
     30 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <4 x float> [[TMP1]], i32 3
     31 // CHECK:   ret float [[VGETQ_LANE]]
     32 float32_t test_vdups_laneq_f32(float32x4_t a) {
     33   return vdups_laneq_f32(a, 3);
     34 }
     35 
     36 
     37 // CHECK-LABEL: define double @test_vdupd_laneq_f64(<2 x double> %a) #0 {
     38 // CHECK:   [[TMP0:%.*]] = bitcast <2 x double> %a to <16 x i8>
     39 // CHECK:   [[TMP1:%.*]] = bitcast <16 x i8> [[TMP0]] to <2 x double>
     40 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <2 x double> [[TMP1]], i32 1
     41 // CHECK:   ret double [[VGETQ_LANE]]
     42 float64_t test_vdupd_laneq_f64(float64x2_t a) {
     43   return vdupd_laneq_f64(a, 1);
     44 }
     45 
     46 
     47 // CHECK-LABEL: define i8 @test_vdupb_lane_s8(<8 x i8> %a) #0 {
     48 // CHECK:   [[VGET_LANE:%.*]] = extractelement <8 x i8> %a, i32 7
     49 // CHECK:   ret i8 [[VGET_LANE]]
     50 int8_t test_vdupb_lane_s8(int8x8_t a) {
     51   return vdupb_lane_s8(a, 7);
     52 }
     53 
     54 
     55 // CHECK-LABEL: define i16 @test_vduph_lane_s16(<4 x i16> %a) #0 {
     56 // CHECK:   [[TMP0:%.*]] = bitcast <4 x i16> %a to <8 x i8>
     57 // CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <4 x i16>
     58 // CHECK:   [[VGET_LANE:%.*]] = extractelement <4 x i16> [[TMP1]], i32 3
     59 // CHECK:   ret i16 [[VGET_LANE]]
     60 int16_t test_vduph_lane_s16(int16x4_t a) {
     61   return vduph_lane_s16(a, 3);
     62 }
     63 
     64 
     65 // CHECK-LABEL: define i32 @test_vdups_lane_s32(<2 x i32> %a) #0 {
     66 // CHECK:   [[TMP0:%.*]] = bitcast <2 x i32> %a to <8 x i8>
     67 // CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <2 x i32>
     68 // CHECK:   [[VGET_LANE:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
     69 // CHECK:   ret i32 [[VGET_LANE]]
     70 int32_t test_vdups_lane_s32(int32x2_t a) {
     71   return vdups_lane_s32(a, 1);
     72 }
     73 
     74 
     75 // CHECK-LABEL: define i64 @test_vdupd_lane_s64(<1 x i64> %a) #0 {
     76 // CHECK:   [[TMP0:%.*]] = bitcast <1 x i64> %a to <8 x i8>
     77 // CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <1 x i64>
     78 // CHECK:   [[VGET_LANE:%.*]] = extractelement <1 x i64> [[TMP1]], i32 0
     79 // CHECK:   ret i64 [[VGET_LANE]]
     80 int64_t test_vdupd_lane_s64(int64x1_t a) {
     81   return vdupd_lane_s64(a, 0);
     82 }
     83 
     84 
     85 // CHECK-LABEL: define i8 @test_vdupb_lane_u8(<8 x i8> %a) #0 {
     86 // CHECK:   [[VGET_LANE:%.*]] = extractelement <8 x i8> %a, i32 7
     87 // CHECK:   ret i8 [[VGET_LANE]]
     88 uint8_t test_vdupb_lane_u8(uint8x8_t a) {
     89   return vdupb_lane_u8(a, 7);
     90 }
     91 
     92 
     93 // CHECK-LABEL: define i16 @test_vduph_lane_u16(<4 x i16> %a) #0 {
     94 // CHECK:   [[TMP0:%.*]] = bitcast <4 x i16> %a to <8 x i8>
     95 // CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <4 x i16>
     96 // CHECK:   [[VGET_LANE:%.*]] = extractelement <4 x i16> [[TMP1]], i32 3
     97 // CHECK:   ret i16 [[VGET_LANE]]
     98 uint16_t test_vduph_lane_u16(uint16x4_t a) {
     99   return vduph_lane_u16(a, 3);
    100 }
    101 
    102 
    103 // CHECK-LABEL: define i32 @test_vdups_lane_u32(<2 x i32> %a) #0 {
    104 // CHECK:   [[TMP0:%.*]] = bitcast <2 x i32> %a to <8 x i8>
    105 // CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <2 x i32>
    106 // CHECK:   [[VGET_LANE:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
    107 // CHECK:   ret i32 [[VGET_LANE]]
    108 uint32_t test_vdups_lane_u32(uint32x2_t a) {
    109   return vdups_lane_u32(a, 1);
    110 }
    111 
    112 
    113 // CHECK-LABEL: define i64 @test_vdupd_lane_u64(<1 x i64> %a) #0 {
    114 // CHECK:   [[TMP0:%.*]] = bitcast <1 x i64> %a to <8 x i8>
    115 // CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <1 x i64>
    116 // CHECK:   [[VGET_LANE:%.*]] = extractelement <1 x i64> [[TMP1]], i32 0
    117 // CHECK:   ret i64 [[VGET_LANE]]
    118 uint64_t test_vdupd_lane_u64(uint64x1_t a) {
    119   return vdupd_lane_u64(a, 0);
    120 }
    121 
    122 // CHECK-LABEL: define i8 @test_vdupb_laneq_s8(<16 x i8> %a) #0 {
    123 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <16 x i8> %a, i32 15
    124 // CHECK:   ret i8 [[VGETQ_LANE]]
    125 int8_t test_vdupb_laneq_s8(int8x16_t a) {
    126   return vdupb_laneq_s8(a, 15);
    127 }
    128 
    129 
    130 // CHECK-LABEL: define i16 @test_vduph_laneq_s16(<8 x i16> %a) #0 {
    131 // CHECK:   [[TMP0:%.*]] = bitcast <8 x i16> %a to <16 x i8>
    132 // CHECK:   [[TMP1:%.*]] = bitcast <16 x i8> [[TMP0]] to <8 x i16>
    133 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <8 x i16> [[TMP1]], i32 7
    134 // CHECK:   ret i16 [[VGETQ_LANE]]
    135 int16_t test_vduph_laneq_s16(int16x8_t a) {
    136   return vduph_laneq_s16(a, 7);
    137 }
    138 
    139 
    140 // CHECK-LABEL: define i32 @test_vdups_laneq_s32(<4 x i32> %a) #0 {
    141 // CHECK:   [[TMP0:%.*]] = bitcast <4 x i32> %a to <16 x i8>
    142 // CHECK:   [[TMP1:%.*]] = bitcast <16 x i8> [[TMP0]] to <4 x i32>
    143 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <4 x i32> [[TMP1]], i32 3
    144 // CHECK:   ret i32 [[VGETQ_LANE]]
    145 int32_t test_vdups_laneq_s32(int32x4_t a) {
    146   return vdups_laneq_s32(a, 3);
    147 }
    148 
    149 
    150 // CHECK-LABEL: define i64 @test_vdupd_laneq_s64(<2 x i64> %a) #0 {
    151 // CHECK:   [[TMP0:%.*]] = bitcast <2 x i64> %a to <16 x i8>
    152 // CHECK:   [[TMP1:%.*]] = bitcast <16 x i8> [[TMP0]] to <2 x i64>
    153 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <2 x i64> [[TMP1]], i32 1
    154 // CHECK:   ret i64 [[VGETQ_LANE]]
    155 int64_t test_vdupd_laneq_s64(int64x2_t a) {
    156   return vdupd_laneq_s64(a, 1);
    157 }
    158 
    159 
    160 // CHECK-LABEL: define i8 @test_vdupb_laneq_u8(<16 x i8> %a) #0 {
    161 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <16 x i8> %a, i32 15
    162 // CHECK:   ret i8 [[VGETQ_LANE]]
    163 uint8_t test_vdupb_laneq_u8(uint8x16_t a) {
    164   return vdupb_laneq_u8(a, 15);
    165 }
    166 
    167 
    168 // CHECK-LABEL: define i16 @test_vduph_laneq_u16(<8 x i16> %a) #0 {
    169 // CHECK:   [[TMP0:%.*]] = bitcast <8 x i16> %a to <16 x i8>
    170 // CHECK:   [[TMP1:%.*]] = bitcast <16 x i8> [[TMP0]] to <8 x i16>
    171 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <8 x i16> [[TMP1]], i32 7
    172 // CHECK:   ret i16 [[VGETQ_LANE]]
    173 uint16_t test_vduph_laneq_u16(uint16x8_t a) {
    174   return vduph_laneq_u16(a, 7);
    175 }
    176 
    177 
    178 // CHECK-LABEL: define i32 @test_vdups_laneq_u32(<4 x i32> %a) #0 {
    179 // CHECK:   [[TMP0:%.*]] = bitcast <4 x i32> %a to <16 x i8>
    180 // CHECK:   [[TMP1:%.*]] = bitcast <16 x i8> [[TMP0]] to <4 x i32>
    181 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <4 x i32> [[TMP1]], i32 3
    182 // CHECK:   ret i32 [[VGETQ_LANE]]
    183 uint32_t test_vdups_laneq_u32(uint32x4_t a) {
    184   return vdups_laneq_u32(a, 3);
    185 }
    186 
    187 
    188 // CHECK-LABEL: define i64 @test_vdupd_laneq_u64(<2 x i64> %a) #0 {
    189 // CHECK:   [[TMP0:%.*]] = bitcast <2 x i64> %a to <16 x i8>
    190 // CHECK:   [[TMP1:%.*]] = bitcast <16 x i8> [[TMP0]] to <2 x i64>
    191 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <2 x i64> [[TMP1]], i32 1
    192 // CHECK:   ret i64 [[VGETQ_LANE]]
    193 uint64_t test_vdupd_laneq_u64(uint64x2_t a) {
    194   return vdupd_laneq_u64(a, 1);
    195 }
    196 
    197 // CHECK-LABEL: define i8 @test_vdupb_lane_p8(<8 x i8> %a) #0 {
    198 // CHECK:   [[VGET_LANE:%.*]] = extractelement <8 x i8> %a, i32 7
    199 // CHECK:   ret i8 [[VGET_LANE]]
    200 poly8_t test_vdupb_lane_p8(poly8x8_t a) {
    201   return vdupb_lane_p8(a, 7);
    202 }
    203 
    204 // CHECK-LABEL: define i16 @test_vduph_lane_p16(<4 x i16> %a) #0 {
    205 // CHECK:   [[TMP0:%.*]] = bitcast <4 x i16> %a to <8 x i8>
    206 // CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <4 x i16>
    207 // CHECK:   [[VGET_LANE:%.*]] = extractelement <4 x i16> [[TMP1]], i32 3
    208 // CHECK:   ret i16 [[VGET_LANE]]
    209 poly16_t test_vduph_lane_p16(poly16x4_t a) {
    210   return vduph_lane_p16(a, 3);
    211 }
    212 
    213 // CHECK-LABEL: define i8 @test_vdupb_laneq_p8(<16 x i8> %a) #0 {
    214 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <16 x i8> %a, i32 15
    215 // CHECK:   ret i8 [[VGETQ_LANE]]
    216 poly8_t test_vdupb_laneq_p8(poly8x16_t a) {
    217   return vdupb_laneq_p8(a, 15);
    218 }
    219 
    220 // CHECK-LABEL: define i16 @test_vduph_laneq_p16(<8 x i16> %a) #0 {
    221 // CHECK:   [[TMP0:%.*]] = bitcast <8 x i16> %a to <16 x i8>
    222 // CHECK:   [[TMP1:%.*]] = bitcast <16 x i8> [[TMP0]] to <8 x i16>
    223 // CHECK:   [[VGETQ_LANE:%.*]] = extractelement <8 x i16> [[TMP1]], i32 7
    224 // CHECK:   ret i16 [[VGETQ_LANE]]
    225 poly16_t test_vduph_laneq_p16(poly16x8_t a) {
    226   return vduph_laneq_p16(a, 7);
    227 }
    228 
    229