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      1 ; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s
      2 
      3 define <8 x i8> @vmuli8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
      4 ;CHECK: vmuli8:
      5 ;CHECK: vmul.i8
      6 	%tmp1 = load <8 x i8>* %A
      7 	%tmp2 = load <8 x i8>* %B
      8 	%tmp3 = mul <8 x i8> %tmp1, %tmp2
      9 	ret <8 x i8> %tmp3
     10 }
     11 
     12 define <4 x i16> @vmuli16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
     13 ;CHECK: vmuli16:
     14 ;CHECK: vmul.i16
     15 	%tmp1 = load <4 x i16>* %A
     16 	%tmp2 = load <4 x i16>* %B
     17 	%tmp3 = mul <4 x i16> %tmp1, %tmp2
     18 	ret <4 x i16> %tmp3
     19 }
     20 
     21 define <2 x i32> @vmuli32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
     22 ;CHECK: vmuli32:
     23 ;CHECK: vmul.i32
     24 	%tmp1 = load <2 x i32>* %A
     25 	%tmp2 = load <2 x i32>* %B
     26 	%tmp3 = mul <2 x i32> %tmp1, %tmp2
     27 	ret <2 x i32> %tmp3
     28 }
     29 
     30 define <2 x float> @vmulf32(<2 x float>* %A, <2 x float>* %B) nounwind {
     31 ;CHECK: vmulf32:
     32 ;CHECK: vmul.f32
     33 	%tmp1 = load <2 x float>* %A
     34 	%tmp2 = load <2 x float>* %B
     35 	%tmp3 = fmul <2 x float> %tmp1, %tmp2
     36 	ret <2 x float> %tmp3
     37 }
     38 
     39 define <8 x i8> @vmulp8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
     40 ;CHECK: vmulp8:
     41 ;CHECK: vmul.p8
     42 	%tmp1 = load <8 x i8>* %A
     43 	%tmp2 = load <8 x i8>* %B
     44 	%tmp3 = call <8 x i8> @llvm.arm.neon.vmulp.v8i8(<8 x i8> %tmp1, <8 x i8> %tmp2)
     45 	ret <8 x i8> %tmp3
     46 }
     47 
     48 define <16 x i8> @vmulQi8(<16 x i8>* %A, <16 x i8>* %B) nounwind {
     49 ;CHECK: vmulQi8:
     50 ;CHECK: vmul.i8
     51 	%tmp1 = load <16 x i8>* %A
     52 	%tmp2 = load <16 x i8>* %B
     53 	%tmp3 = mul <16 x i8> %tmp1, %tmp2
     54 	ret <16 x i8> %tmp3
     55 }
     56 
     57 define <8 x i16> @vmulQi16(<8 x i16>* %A, <8 x i16>* %B) nounwind {
     58 ;CHECK: vmulQi16:
     59 ;CHECK: vmul.i16
     60 	%tmp1 = load <8 x i16>* %A
     61 	%tmp2 = load <8 x i16>* %B
     62 	%tmp3 = mul <8 x i16> %tmp1, %tmp2
     63 	ret <8 x i16> %tmp3
     64 }
     65 
     66 define <4 x i32> @vmulQi32(<4 x i32>* %A, <4 x i32>* %B) nounwind {
     67 ;CHECK: vmulQi32:
     68 ;CHECK: vmul.i32
     69 	%tmp1 = load <4 x i32>* %A
     70 	%tmp2 = load <4 x i32>* %B
     71 	%tmp3 = mul <4 x i32> %tmp1, %tmp2
     72 	ret <4 x i32> %tmp3
     73 }
     74 
     75 define <4 x float> @vmulQf32(<4 x float>* %A, <4 x float>* %B) nounwind {
     76 ;CHECK: vmulQf32:
     77 ;CHECK: vmul.f32
     78 	%tmp1 = load <4 x float>* %A
     79 	%tmp2 = load <4 x float>* %B
     80 	%tmp3 = fmul <4 x float> %tmp1, %tmp2
     81 	ret <4 x float> %tmp3
     82 }
     83 
     84 define <16 x i8> @vmulQp8(<16 x i8>* %A, <16 x i8>* %B) nounwind {
     85 ;CHECK: vmulQp8:
     86 ;CHECK: vmul.p8
     87 	%tmp1 = load <16 x i8>* %A
     88 	%tmp2 = load <16 x i8>* %B
     89 	%tmp3 = call <16 x i8> @llvm.arm.neon.vmulp.v16i8(<16 x i8> %tmp1, <16 x i8> %tmp2)
     90 	ret <16 x i8> %tmp3
     91 }
     92 
     93 declare <8 x i8>  @llvm.arm.neon.vmulp.v8i8(<8 x i8>, <8 x i8>) nounwind readnone
     94 declare <16 x i8>  @llvm.arm.neon.vmulp.v16i8(<16 x i8>, <16 x i8>) nounwind readnone
     95 
     96 define arm_aapcs_vfpcc <2 x float> @test_vmul_lanef32(<2 x float> %arg0_float32x2_t, <2 x float> %arg1_float32x2_t) nounwind readnone {
     97 entry:
     98 ; CHECK: test_vmul_lanef32:
     99 ; CHECK: vmul.f32 d0, d0, d1[0]
    100   %0 = shufflevector <2 x float> %arg1_float32x2_t, <2 x float> undef, <2 x i32> zeroinitializer ; <<2 x float>> [#uses=1]
    101   %1 = fmul <2 x float> %0, %arg0_float32x2_t     ; <<2 x float>> [#uses=1]
    102   ret <2 x float> %1
    103 }
    104 
    105 define arm_aapcs_vfpcc <4 x i16> @test_vmul_lanes16(<4 x i16> %arg0_int16x4_t, <4 x i16> %arg1_int16x4_t) nounwind readnone {
    106 entry:
    107 ; CHECK: test_vmul_lanes16:
    108 ; CHECK: vmul.i16 d0, d0, d1[1]
    109   %0 = shufflevector <4 x i16> %arg1_int16x4_t, <4 x i16> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x i16>> [#uses$
    110   %1 = mul <4 x i16> %0, %arg0_int16x4_t          ; <<4 x i16>> [#uses=1]
    111   ret <4 x i16> %1
    112 }
    113 
    114 define arm_aapcs_vfpcc <2 x i32> @test_vmul_lanes32(<2 x i32> %arg0_int32x2_t, <2 x i32> %arg1_int32x2_t) nounwind readnone {
    115 entry:
    116 ; CHECK: test_vmul_lanes32:
    117 ; CHECK: vmul.i32 d0, d0, d1[1]
    118   %0 = shufflevector <2 x i32> %arg1_int32x2_t, <2 x i32> undef, <2 x i32> <i32 1, i32 1> ; <<2 x i32>> [#uses=1]
    119   %1 = mul <2 x i32> %0, %arg0_int32x2_t          ; <<2 x i32>> [#uses=1]
    120   ret <2 x i32> %1
    121 }
    122 
    123 define arm_aapcs_vfpcc <4 x float> @test_vmulQ_lanef32(<4 x float> %arg0_float32x4_t, <2 x float> %arg1_float32x2_t) nounwind readnone {
    124 entry:
    125 ; CHECK: test_vmulQ_lanef32:
    126 ; CHECK: vmul.f32 q0, q0, d2[1]
    127   %0 = shufflevector <2 x float> %arg1_float32x2_t, <2 x float> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x float>$
    128   %1 = fmul <4 x float> %0, %arg0_float32x4_t     ; <<4 x float>> [#uses=1]
    129   ret <4 x float> %1
    130 }
    131 
    132 define arm_aapcs_vfpcc <8 x i16> @test_vmulQ_lanes16(<8 x i16> %arg0_int16x8_t, <4 x i16> %arg1_int16x4_t) nounwind readnone {
    133 entry:
    134 ; CHECK: test_vmulQ_lanes16:
    135 ; CHECK: vmul.i16 q0, q0, d2[1]
    136   %0 = shufflevector <4 x i16> %arg1_int16x4_t, <4 x i16> undef, <8 x i32> <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
    137   %1 = mul <8 x i16> %0, %arg0_int16x8_t          ; <<8 x i16>> [#uses=1]
    138   ret <8 x i16> %1
    139 }
    140 
    141 define arm_aapcs_vfpcc <4 x i32> @test_vmulQ_lanes32(<4 x i32> %arg0_int32x4_t, <2 x i32> %arg1_int32x2_t) nounwind readnone {
    142 entry:
    143 ; CHECK: test_vmulQ_lanes32:
    144 ; CHECK: vmul.i32 q0, q0, d2[1]
    145   %0 = shufflevector <2 x i32> %arg1_int32x2_t, <2 x i32> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x i32>> [#uses$
    146   %1 = mul <4 x i32> %0, %arg0_int32x4_t          ; <<4 x i32>> [#uses=1]
    147   ret <4 x i32> %1
    148 }
    149 
    150 define <8 x i16> @vmulls8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
    151 ;CHECK: vmulls8:
    152 ;CHECK: vmull.s8
    153 	%tmp1 = load <8 x i8>* %A
    154 	%tmp2 = load <8 x i8>* %B
    155 	%tmp3 = sext <8 x i8> %tmp1 to <8 x i16>
    156 	%tmp4 = sext <8 x i8> %tmp2 to <8 x i16>
    157 	%tmp5 = mul <8 x i16> %tmp3, %tmp4
    158 	ret <8 x i16> %tmp5
    159 }
    160 
    161 define <8 x i16> @vmulls8_int(<8 x i8>* %A, <8 x i8>* %B) nounwind {
    162 ;CHECK: vmulls8_int:
    163 ;CHECK: vmull.s8
    164 	%tmp1 = load <8 x i8>* %A
    165 	%tmp2 = load <8 x i8>* %B
    166 	%tmp3 = call <8 x i16> @llvm.arm.neon.vmulls.v8i16(<8 x i8> %tmp1, <8 x i8> %tmp2)
    167 	ret <8 x i16> %tmp3
    168 }
    169 
    170 define <4 x i32> @vmulls16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
    171 ;CHECK: vmulls16:
    172 ;CHECK: vmull.s16
    173 	%tmp1 = load <4 x i16>* %A
    174 	%tmp2 = load <4 x i16>* %B
    175 	%tmp3 = sext <4 x i16> %tmp1 to <4 x i32>
    176 	%tmp4 = sext <4 x i16> %tmp2 to <4 x i32>
    177 	%tmp5 = mul <4 x i32> %tmp3, %tmp4
    178 	ret <4 x i32> %tmp5
    179 }
    180 
    181 define <4 x i32> @vmulls16_int(<4 x i16>* %A, <4 x i16>* %B) nounwind {
    182 ;CHECK: vmulls16_int:
    183 ;CHECK: vmull.s16
    184 	%tmp1 = load <4 x i16>* %A
    185 	%tmp2 = load <4 x i16>* %B
    186 	%tmp3 = call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> %tmp1, <4 x i16> %tmp2)
    187 	ret <4 x i32> %tmp3
    188 }
    189 
    190 define <2 x i64> @vmulls32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
    191 ;CHECK: vmulls32:
    192 ;CHECK: vmull.s32
    193 	%tmp1 = load <2 x i32>* %A
    194 	%tmp2 = load <2 x i32>* %B
    195 	%tmp3 = sext <2 x i32> %tmp1 to <2 x i64>
    196 	%tmp4 = sext <2 x i32> %tmp2 to <2 x i64>
    197 	%tmp5 = mul <2 x i64> %tmp3, %tmp4
    198 	ret <2 x i64> %tmp5
    199 }
    200 
    201 define <2 x i64> @vmulls32_int(<2 x i32>* %A, <2 x i32>* %B) nounwind {
    202 ;CHECK: vmulls32_int:
    203 ;CHECK: vmull.s32
    204 	%tmp1 = load <2 x i32>* %A
    205 	%tmp2 = load <2 x i32>* %B
    206 	%tmp3 = call <2 x i64> @llvm.arm.neon.vmulls.v2i64(<2 x i32> %tmp1, <2 x i32> %tmp2)
    207 	ret <2 x i64> %tmp3
    208 }
    209 
    210 define <8 x i16> @vmullu8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
    211 ;CHECK: vmullu8:
    212 ;CHECK: vmull.u8
    213 	%tmp1 = load <8 x i8>* %A
    214 	%tmp2 = load <8 x i8>* %B
    215 	%tmp3 = zext <8 x i8> %tmp1 to <8 x i16>
    216 	%tmp4 = zext <8 x i8> %tmp2 to <8 x i16>
    217 	%tmp5 = mul <8 x i16> %tmp3, %tmp4
    218 	ret <8 x i16> %tmp5
    219 }
    220 
    221 define <8 x i16> @vmullu8_int(<8 x i8>* %A, <8 x i8>* %B) nounwind {
    222 ;CHECK: vmullu8_int:
    223 ;CHECK: vmull.u8
    224 	%tmp1 = load <8 x i8>* %A
    225 	%tmp2 = load <8 x i8>* %B
    226 	%tmp3 = call <8 x i16> @llvm.arm.neon.vmullu.v8i16(<8 x i8> %tmp1, <8 x i8> %tmp2)
    227 	ret <8 x i16> %tmp3
    228 }
    229 
    230 define <4 x i32> @vmullu16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
    231 ;CHECK: vmullu16:
    232 ;CHECK: vmull.u16
    233 	%tmp1 = load <4 x i16>* %A
    234 	%tmp2 = load <4 x i16>* %B
    235 	%tmp3 = zext <4 x i16> %tmp1 to <4 x i32>
    236 	%tmp4 = zext <4 x i16> %tmp2 to <4 x i32>
    237 	%tmp5 = mul <4 x i32> %tmp3, %tmp4
    238 	ret <4 x i32> %tmp5
    239 }
    240 
    241 define <4 x i32> @vmullu16_int(<4 x i16>* %A, <4 x i16>* %B) nounwind {
    242 ;CHECK: vmullu16_int:
    243 ;CHECK: vmull.u16
    244 	%tmp1 = load <4 x i16>* %A
    245 	%tmp2 = load <4 x i16>* %B
    246 	%tmp3 = call <4 x i32> @llvm.arm.neon.vmullu.v4i32(<4 x i16> %tmp1, <4 x i16> %tmp2)
    247 	ret <4 x i32> %tmp3
    248 }
    249 
    250 define <2 x i64> @vmullu32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
    251 ;CHECK: vmullu32:
    252 ;CHECK: vmull.u32
    253 	%tmp1 = load <2 x i32>* %A
    254 	%tmp2 = load <2 x i32>* %B
    255 	%tmp3 = zext <2 x i32> %tmp1 to <2 x i64>
    256 	%tmp4 = zext <2 x i32> %tmp2 to <2 x i64>
    257 	%tmp5 = mul <2 x i64> %tmp3, %tmp4
    258 	ret <2 x i64> %tmp5
    259 }
    260 
    261 define <2 x i64> @vmullu32_int(<2 x i32>* %A, <2 x i32>* %B) nounwind {
    262 ;CHECK: vmullu32_int:
    263 ;CHECK: vmull.u32
    264 	%tmp1 = load <2 x i32>* %A
    265 	%tmp2 = load <2 x i32>* %B
    266 	%tmp3 = call <2 x i64> @llvm.arm.neon.vmullu.v2i64(<2 x i32> %tmp1, <2 x i32> %tmp2)
    267 	ret <2 x i64> %tmp3
    268 }
    269 
    270 define <8 x i16> @vmullp8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
    271 ;CHECK: vmullp8:
    272 ;CHECK: vmull.p8
    273 	%tmp1 = load <8 x i8>* %A
    274 	%tmp2 = load <8 x i8>* %B
    275 	%tmp3 = call <8 x i16> @llvm.arm.neon.vmullp.v8i16(<8 x i8> %tmp1, <8 x i8> %tmp2)
    276 	ret <8 x i16> %tmp3
    277 }
    278 
    279 define arm_aapcs_vfpcc <4 x i32> @test_vmull_lanes16(<4 x i16> %arg0_int16x4_t, <4 x i16> %arg1_int16x4_t) nounwind readnone {
    280 entry:
    281 ; CHECK: test_vmull_lanes16
    282 ; CHECK: vmull.s16 q0, d0, d1[1]
    283   %0 = shufflevector <4 x i16> %arg1_int16x4_t, <4 x i16> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x i16>> [#uses=1]
    284   %1 = sext <4 x i16> %arg0_int16x4_t to <4 x i32>
    285   %2 = sext <4 x i16> %0 to <4 x i32>
    286   %3 = mul <4 x i32> %1, %2
    287   ret <4 x i32> %3
    288 }
    289 
    290 define arm_aapcs_vfpcc <4 x i32> @test_vmull_lanes16_int(<4 x i16> %arg0_int16x4_t, <4 x i16> %arg1_int16x4_t) nounwind readnone {
    291 entry:
    292 ; CHECK: test_vmull_lanes16_int
    293 ; CHECK: vmull.s16 q0, d0, d1[1]
    294   %0 = shufflevector <4 x i16> %arg1_int16x4_t, <4 x i16> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x i16>> [#uses=1]
    295   %1 = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> %arg0_int16x4_t, <4 x i16> %0) ; <<4 x i32>> [#uses=1]
    296   ret <4 x i32> %1
    297 }
    298 
    299 define arm_aapcs_vfpcc <2 x i64> @test_vmull_lanes32(<2 x i32> %arg0_int32x2_t, <2 x i32> %arg1_int32x2_t) nounwind readnone {
    300 entry:
    301 ; CHECK: test_vmull_lanes32
    302 ; CHECK: vmull.s32 q0, d0, d1[1]
    303   %0 = shufflevector <2 x i32> %arg1_int32x2_t, <2 x i32> undef, <2 x i32> <i32 1, i32 1> ; <<2 x i32>> [#uses=1]
    304   %1 = sext <2 x i32> %arg0_int32x2_t to <2 x i64>
    305   %2 = sext <2 x i32> %0 to <2 x i64>
    306   %3 = mul <2 x i64> %1, %2
    307   ret <2 x i64> %3
    308 }
    309 
    310 define arm_aapcs_vfpcc <2 x i64> @test_vmull_lanes32_int(<2 x i32> %arg0_int32x2_t, <2 x i32> %arg1_int32x2_t) nounwind readnone {
    311 entry:
    312 ; CHECK: test_vmull_lanes32_int
    313 ; CHECK: vmull.s32 q0, d0, d1[1]
    314   %0 = shufflevector <2 x i32> %arg1_int32x2_t, <2 x i32> undef, <2 x i32> <i32 1, i32 1> ; <<2 x i32>> [#uses=1]
    315   %1 = tail call <2 x i64> @llvm.arm.neon.vmulls.v2i64(<2 x i32> %arg0_int32x2_t, <2 x i32> %0) ; <<2 x i64>> [#uses=1]
    316   ret <2 x i64> %1
    317 }
    318 
    319 define arm_aapcs_vfpcc <4 x i32> @test_vmull_laneu16(<4 x i16> %arg0_uint16x4_t, <4 x i16> %arg1_uint16x4_t) nounwind readnone {
    320 entry:
    321 ; CHECK: test_vmull_laneu16
    322 ; CHECK: vmull.u16 q0, d0, d1[1]
    323   %0 = shufflevector <4 x i16> %arg1_uint16x4_t, <4 x i16> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x i16>> [#uses=1]
    324   %1 = zext <4 x i16> %arg0_uint16x4_t to <4 x i32>
    325   %2 = zext <4 x i16> %0 to <4 x i32>
    326   %3 = mul <4 x i32> %1, %2
    327   ret <4 x i32> %3
    328 }
    329 
    330 define arm_aapcs_vfpcc <4 x i32> @test_vmull_laneu16_int(<4 x i16> %arg0_uint16x4_t, <4 x i16> %arg1_uint16x4_t) nounwind readnone {
    331 entry:
    332 ; CHECK: test_vmull_laneu16_int
    333 ; CHECK: vmull.u16 q0, d0, d1[1]
    334   %0 = shufflevector <4 x i16> %arg1_uint16x4_t, <4 x i16> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x i16>> [#uses=1]
    335   %1 = tail call <4 x i32> @llvm.arm.neon.vmullu.v4i32(<4 x i16> %arg0_uint16x4_t, <4 x i16> %0) ; <<4 x i32>> [#uses=1]
    336   ret <4 x i32> %1
    337 }
    338 
    339 define arm_aapcs_vfpcc <2 x i64> @test_vmull_laneu32(<2 x i32> %arg0_uint32x2_t, <2 x i32> %arg1_uint32x2_t) nounwind readnone {
    340 entry:
    341 ; CHECK: test_vmull_laneu32
    342 ; CHECK: vmull.u32 q0, d0, d1[1]
    343   %0 = shufflevector <2 x i32> %arg1_uint32x2_t, <2 x i32> undef, <2 x i32> <i32 1, i32 1> ; <<2 x i32>> [#uses=1]
    344   %1 = zext <2 x i32> %arg0_uint32x2_t to <2 x i64>
    345   %2 = zext <2 x i32> %0 to <2 x i64>
    346   %3 = mul <2 x i64> %1, %2
    347   ret <2 x i64> %3
    348 }
    349 
    350 define arm_aapcs_vfpcc <2 x i64> @test_vmull_laneu32_int(<2 x i32> %arg0_uint32x2_t, <2 x i32> %arg1_uint32x2_t) nounwind readnone {
    351 entry:
    352 ; CHECK: test_vmull_laneu32_int
    353 ; CHECK: vmull.u32 q0, d0, d1[1]
    354   %0 = shufflevector <2 x i32> %arg1_uint32x2_t, <2 x i32> undef, <2 x i32> <i32 1, i32 1> ; <<2 x i32>> [#uses=1]
    355   %1 = tail call <2 x i64> @llvm.arm.neon.vmullu.v2i64(<2 x i32> %arg0_uint32x2_t, <2 x i32> %0) ; <<2 x i64>> [#uses=1]
    356   ret <2 x i64> %1
    357 }
    358 
    359 declare <8 x i16> @llvm.arm.neon.vmulls.v8i16(<8 x i8>, <8 x i8>) nounwind readnone
    360 declare <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16>, <4 x i16>) nounwind readnone
    361 declare <2 x i64> @llvm.arm.neon.vmulls.v2i64(<2 x i32>, <2 x i32>) nounwind readnone
    362 
    363 declare <8 x i16> @llvm.arm.neon.vmullu.v8i16(<8 x i8>, <8 x i8>) nounwind readnone
    364 declare <4 x i32> @llvm.arm.neon.vmullu.v4i32(<4 x i16>, <4 x i16>) nounwind readnone
    365 declare <2 x i64> @llvm.arm.neon.vmullu.v2i64(<2 x i32>, <2 x i32>) nounwind readnone
    366 
    367 declare <8 x i16>  @llvm.arm.neon.vmullp.v8i16(<8 x i8>, <8 x i8>) nounwind readnone
    368 
    369 
    370 ; Radar 8687140
    371 ; VMULL needs to recognize BUILD_VECTORs with sign/zero-extended elements.
    372 
    373 define <8 x i16> @vmull_extvec_s8(<8 x i8> %arg) nounwind {
    374 ; CHECK: vmull_extvec_s8
    375 ; CHECK: vmull.s8
    376   %tmp3 = sext <8 x i8> %arg to <8 x i16>
    377   %tmp4 = mul <8 x i16> %tmp3, <i16 -12, i16 -12, i16 -12, i16 -12, i16 -12, i16 -12, i16 -12, i16 -12>
    378   ret <8 x i16> %tmp4
    379 }
    380 
    381 define <8 x i16> @vmull_extvec_u8(<8 x i8> %arg) nounwind {
    382 ; CHECK: vmull_extvec_u8
    383 ; CHECK: vmull.u8
    384   %tmp3 = zext <8 x i8> %arg to <8 x i16>
    385   %tmp4 = mul <8 x i16> %tmp3, <i16 12, i16 12, i16 12, i16 12, i16 12, i16 12, i16 12, i16 12>
    386   ret <8 x i16> %tmp4
    387 }
    388 
    389 define <8 x i16> @vmull_noextvec_s8(<8 x i8> %arg) nounwind {
    390 ; Do not use VMULL if the BUILD_VECTOR element values are too big.
    391 ; CHECK: vmull_noextvec_s8
    392 ; CHECK: vmovl.s8
    393 ; CHECK: vmul.i16
    394   %tmp3 = sext <8 x i8> %arg to <8 x i16>
    395   %tmp4 = mul <8 x i16> %tmp3, <i16 -999, i16 -999, i16 -999, i16 -999, i16 -999, i16 -999, i16 -999, i16 -999>
    396   ret <8 x i16> %tmp4
    397 }
    398 
    399 define <8 x i16> @vmull_noextvec_u8(<8 x i8> %arg) nounwind {
    400 ; Do not use VMULL if the BUILD_VECTOR element values are too big.
    401 ; CHECK: vmull_noextvec_u8
    402 ; CHECK: vmovl.u8
    403 ; CHECK: vmul.i16
    404   %tmp3 = zext <8 x i8> %arg to <8 x i16>
    405   %tmp4 = mul <8 x i16> %tmp3, <i16 999, i16 999, i16 999, i16 999, i16 999, i16 999, i16 999, i16 999>
    406   ret <8 x i16> %tmp4
    407 }
    408 
    409 define <4 x i32> @vmull_extvec_s16(<4 x i16> %arg) nounwind {
    410 ; CHECK: vmull_extvec_s16
    411 ; CHECK: vmull.s16
    412   %tmp3 = sext <4 x i16> %arg to <4 x i32>
    413   %tmp4 = mul <4 x i32> %tmp3, <i32 -12, i32 -12, i32 -12, i32 -12>
    414   ret <4 x i32> %tmp4
    415 }
    416 
    417 define <4 x i32> @vmull_extvec_u16(<4 x i16> %arg) nounwind {
    418 ; CHECK: vmull_extvec_u16
    419 ; CHECK: vmull.u16
    420   %tmp3 = zext <4 x i16> %arg to <4 x i32>
    421   %tmp4 = mul <4 x i32> %tmp3, <i32 1234, i32 1234, i32 1234, i32 1234>
    422   ret <4 x i32> %tmp4
    423 }
    424 
    425 define <2 x i64> @vmull_extvec_s32(<2 x i32> %arg) nounwind {
    426 ; CHECK: vmull_extvec_s32
    427 ; CHECK: vmull.s32
    428   %tmp3 = sext <2 x i32> %arg to <2 x i64>
    429   %tmp4 = mul <2 x i64> %tmp3, <i64 -1234, i64 -1234>
    430   ret <2 x i64> %tmp4
    431 }
    432 
    433 define <2 x i64> @vmull_extvec_u32(<2 x i32> %arg) nounwind {
    434 ; CHECK: vmull_extvec_u32
    435 ; CHECK: vmull.u32
    436   %tmp3 = zext <2 x i32> %arg to <2 x i64>
    437   %tmp4 = mul <2 x i64> %tmp3, <i64 1234, i64 1234>
    438   ret <2 x i64> %tmp4
    439 }
    440 
    441 ; rdar://9197392
    442 define void @distribute(i16* %dst, i8* %src, i32 %mul) nounwind {
    443 entry:
    444 ; CHECK: distribute:
    445 ; CHECK: vmull.u8 [[REG1:(q[0-9]+)]], d{{.*}}, [[REG2:(d[0-9]+)]]
    446 ; CHECK: vmlal.u8 [[REG1]], d{{.*}}, [[REG2]]
    447   %0 = trunc i32 %mul to i8
    448   %1 = insertelement <8 x i8> undef, i8 %0, i32 0
    449   %2 = shufflevector <8 x i8> %1, <8 x i8> undef, <8 x i32> zeroinitializer
    450   %3 = tail call <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* %src, i32 1)
    451   %4 = bitcast <16 x i8> %3 to <2 x double>
    452   %5 = extractelement <2 x double> %4, i32 1
    453   %6 = bitcast double %5 to <8 x i8>
    454   %7 = zext <8 x i8> %6 to <8 x i16>
    455   %8 = zext <8 x i8> %2 to <8 x i16>
    456   %9 = extractelement <2 x double> %4, i32 0
    457   %10 = bitcast double %9 to <8 x i8>
    458   %11 = zext <8 x i8> %10 to <8 x i16>
    459   %12 = add <8 x i16> %7, %11
    460   %13 = mul <8 x i16> %12, %8
    461   %14 = bitcast i16* %dst to i8*
    462   tail call void @llvm.arm.neon.vst1.v8i16(i8* %14, <8 x i16> %13, i32 2)
    463   ret void
    464 }
    465 
    466 declare <16 x i8> @llvm.arm.neon.vld1.v16i8(i8*, i32) nounwind readonly
    467 
    468 declare void @llvm.arm.neon.vst1.v8i16(i8*, <8 x i16>, i32) nounwind
    469 
    470 ; Take advantage of the Cortex-A8 multiplier accumulator forward.
    471 
    472 %struct.uint8x8_t = type { <8 x i8> }
    473 
    474 define void @distribute2(%struct.uint8x8_t* nocapture %dst, i8* %src, i32 %mul) nounwind {
    475 entry:
    476 ; CHECK: distribute2
    477 ; CHECK-NOT: vadd.i8
    478 ; CHECK: vmul.i8
    479 ; CHECK: vmla.i8
    480   %0 = trunc i32 %mul to i8
    481   %1 = insertelement <8 x i8> undef, i8 %0, i32 0
    482   %2 = shufflevector <8 x i8> %1, <8 x i8> undef, <8 x i32> zeroinitializer
    483   %3 = tail call <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* %src, i32 1)
    484   %4 = bitcast <16 x i8> %3 to <2 x double>
    485   %5 = extractelement <2 x double> %4, i32 1
    486   %6 = bitcast double %5 to <8 x i8>
    487   %7 = extractelement <2 x double> %4, i32 0
    488   %8 = bitcast double %7 to <8 x i8>
    489   %9 = add <8 x i8> %6, %8
    490   %10 = mul <8 x i8> %9, %2
    491   %11 = getelementptr inbounds %struct.uint8x8_t* %dst, i32 0, i32 0
    492   store <8 x i8> %10, <8 x i8>* %11, align 8
    493   ret void
    494 }
    495 
    496 define void @distribute2_commutative(%struct.uint8x8_t* nocapture %dst, i8* %src, i32 %mul) nounwind {
    497 entry:
    498 ; CHECK: distribute2_commutative
    499 ; CHECK-NOT: vadd.i8
    500 ; CHECK: vmul.i8
    501 ; CHECK: vmla.i8
    502   %0 = trunc i32 %mul to i8
    503   %1 = insertelement <8 x i8> undef, i8 %0, i32 0
    504   %2 = shufflevector <8 x i8> %1, <8 x i8> undef, <8 x i32> zeroinitializer
    505   %3 = tail call <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* %src, i32 1)
    506   %4 = bitcast <16 x i8> %3 to <2 x double>
    507   %5 = extractelement <2 x double> %4, i32 1
    508   %6 = bitcast double %5 to <8 x i8>
    509   %7 = extractelement <2 x double> %4, i32 0
    510   %8 = bitcast double %7 to <8 x i8>
    511   %9 = add <8 x i8> %6, %8
    512   %10 = mul <8 x i8> %2, %9
    513   %11 = getelementptr inbounds %struct.uint8x8_t* %dst, i32 0, i32 0
    514   store <8 x i8> %10, <8 x i8>* %11, align 8
    515   ret void
    516 }
    517 
    518 ; If one operand has a zero-extend and the other a sign-extend, vmull
    519 ; cannot be used.
    520 define i16 @vmullWithInconsistentExtensions(<8 x i8> %vec) {
    521 ; CHECK: vmullWithInconsistentExtensions
    522 ; CHECK-NOT: vmull.s8
    523   %1 = sext <8 x i8> %vec to <8 x i16>
    524   %2 = mul <8 x i16> %1, <i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255>
    525   %3 = extractelement <8 x i16> %2, i32 0
    526   ret i16 %3
    527 }
    528