1 ; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s 2 3 define <8 x i8> @vld1dupi8(i8* %A) nounwind { 4 ;CHECK-LABEL: vld1dupi8: 5 ;Check the (default) alignment value. 6 ;CHECK: vld1.8 {d16[]}, [r0] 7 %tmp1 = load i8* %A, align 8 8 %tmp2 = insertelement <8 x i8> undef, i8 %tmp1, i32 0 9 %tmp3 = shufflevector <8 x i8> %tmp2, <8 x i8> undef, <8 x i32> zeroinitializer 10 ret <8 x i8> %tmp3 11 } 12 13 define <4 x i16> @vld1dupi16(i16* %A) nounwind { 14 ;CHECK-LABEL: vld1dupi16: 15 ;Check the alignment value. Max for this instruction is 16 bits: 16 ;CHECK: vld1.16 {d16[]}, [r0:16] 17 %tmp1 = load i16* %A, align 8 18 %tmp2 = insertelement <4 x i16> undef, i16 %tmp1, i32 0 19 %tmp3 = shufflevector <4 x i16> %tmp2, <4 x i16> undef, <4 x i32> zeroinitializer 20 ret <4 x i16> %tmp3 21 } 22 23 define <2 x i32> @vld1dupi32(i32* %A) nounwind { 24 ;CHECK-LABEL: vld1dupi32: 25 ;Check the alignment value. Max for this instruction is 32 bits: 26 ;CHECK: vld1.32 {d16[]}, [r0:32] 27 %tmp1 = load i32* %A, align 8 28 %tmp2 = insertelement <2 x i32> undef, i32 %tmp1, i32 0 29 %tmp3 = shufflevector <2 x i32> %tmp2, <2 x i32> undef, <2 x i32> zeroinitializer 30 ret <2 x i32> %tmp3 31 } 32 33 define <2 x float> @vld1dupf(float* %A) nounwind { 34 ;CHECK-LABEL: vld1dupf: 35 ;CHECK: vld1.32 {d16[]}, [r0:32] 36 %tmp0 = load float* %A 37 %tmp1 = insertelement <2 x float> undef, float %tmp0, i32 0 38 %tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <2 x i32> zeroinitializer 39 ret <2 x float> %tmp2 40 } 41 42 define <16 x i8> @vld1dupQi8(i8* %A) nounwind { 43 ;CHECK-LABEL: vld1dupQi8: 44 ;Check the (default) alignment value. 45 ;CHECK: vld1.8 {d16[], d17[]}, [r0] 46 %tmp1 = load i8* %A, align 8 47 %tmp2 = insertelement <16 x i8> undef, i8 %tmp1, i32 0 48 %tmp3 = shufflevector <16 x i8> %tmp2, <16 x i8> undef, <16 x i32> zeroinitializer 49 ret <16 x i8> %tmp3 50 } 51 52 define <4 x float> @vld1dupQf(float* %A) nounwind { 53 ;CHECK-LABEL: vld1dupQf: 54 ;CHECK: vld1.32 {d16[], d17[]}, [r0:32] 55 %tmp0 = load float* %A 56 %tmp1 = insertelement <4 x float> undef, float %tmp0, i32 0 57 %tmp2 = shufflevector <4 x float> %tmp1, <4 x float> undef, <4 x i32> zeroinitializer 58 ret <4 x float> %tmp2 59 } 60 61 %struct.__neon_int8x8x2_t = type { <8 x i8>, <8 x i8> } 62 %struct.__neon_int4x16x2_t = type { <4 x i16>, <4 x i16> } 63 %struct.__neon_int2x32x2_t = type { <2 x i32>, <2 x i32> } 64 65 define <8 x i8> @vld2dupi8(i8* %A) nounwind { 66 ;CHECK-LABEL: vld2dupi8: 67 ;Check the (default) alignment value. 68 ;CHECK: vld2.8 {d16[], d17[]}, [r0] 69 %tmp0 = tail call %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2lane.v8i8(i8* %A, <8 x i8> undef, <8 x i8> undef, i32 0, i32 1) 70 %tmp1 = extractvalue %struct.__neon_int8x8x2_t %tmp0, 0 71 %tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> zeroinitializer 72 %tmp3 = extractvalue %struct.__neon_int8x8x2_t %tmp0, 1 73 %tmp4 = shufflevector <8 x i8> %tmp3, <8 x i8> undef, <8 x i32> zeroinitializer 74 %tmp5 = add <8 x i8> %tmp2, %tmp4 75 ret <8 x i8> %tmp5 76 } 77 78 define <4 x i16> @vld2dupi16(i8* %A) nounwind { 79 ;CHECK-LABEL: vld2dupi16: 80 ;Check that a power-of-two alignment smaller than the total size of the memory 81 ;being loaded is ignored. 82 ;CHECK: vld2.16 {d16[], d17[]}, [r0] 83 %tmp0 = tail call %struct.__neon_int4x16x2_t @llvm.arm.neon.vld2lane.v4i16(i8* %A, <4 x i16> undef, <4 x i16> undef, i32 0, i32 2) 84 %tmp1 = extractvalue %struct.__neon_int4x16x2_t %tmp0, 0 85 %tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> zeroinitializer 86 %tmp3 = extractvalue %struct.__neon_int4x16x2_t %tmp0, 1 87 %tmp4 = shufflevector <4 x i16> %tmp3, <4 x i16> undef, <4 x i32> zeroinitializer 88 %tmp5 = add <4 x i16> %tmp2, %tmp4 89 ret <4 x i16> %tmp5 90 } 91 92 ;Check for a post-increment updating load. 93 define <4 x i16> @vld2dupi16_update(i16** %ptr) nounwind { 94 ;CHECK-LABEL: vld2dupi16_update: 95 ;CHECK: vld2.16 {d16[], d17[]}, [r1]! 96 %A = load i16** %ptr 97 %A2 = bitcast i16* %A to i8* 98 %tmp0 = tail call %struct.__neon_int4x16x2_t @llvm.arm.neon.vld2lane.v4i16(i8* %A2, <4 x i16> undef, <4 x i16> undef, i32 0, i32 2) 99 %tmp1 = extractvalue %struct.__neon_int4x16x2_t %tmp0, 0 100 %tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> zeroinitializer 101 %tmp3 = extractvalue %struct.__neon_int4x16x2_t %tmp0, 1 102 %tmp4 = shufflevector <4 x i16> %tmp3, <4 x i16> undef, <4 x i32> zeroinitializer 103 %tmp5 = add <4 x i16> %tmp2, %tmp4 104 %tmp6 = getelementptr i16* %A, i32 2 105 store i16* %tmp6, i16** %ptr 106 ret <4 x i16> %tmp5 107 } 108 109 define <2 x i32> @vld2dupi32(i8* %A) nounwind { 110 ;CHECK-LABEL: vld2dupi32: 111 ;Check the alignment value. Max for this instruction is 64 bits: 112 ;CHECK: vld2.32 {d16[], d17[]}, [r0:64] 113 %tmp0 = tail call %struct.__neon_int2x32x2_t @llvm.arm.neon.vld2lane.v2i32(i8* %A, <2 x i32> undef, <2 x i32> undef, i32 0, i32 16) 114 %tmp1 = extractvalue %struct.__neon_int2x32x2_t %tmp0, 0 115 %tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <2 x i32> zeroinitializer 116 %tmp3 = extractvalue %struct.__neon_int2x32x2_t %tmp0, 1 117 %tmp4 = shufflevector <2 x i32> %tmp3, <2 x i32> undef, <2 x i32> zeroinitializer 118 %tmp5 = add <2 x i32> %tmp2, %tmp4 119 ret <2 x i32> %tmp5 120 } 121 122 declare %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2lane.v8i8(i8*, <8 x i8>, <8 x i8>, i32, i32) nounwind readonly 123 declare %struct.__neon_int4x16x2_t @llvm.arm.neon.vld2lane.v4i16(i8*, <4 x i16>, <4 x i16>, i32, i32) nounwind readonly 124 declare %struct.__neon_int2x32x2_t @llvm.arm.neon.vld2lane.v2i32(i8*, <2 x i32>, <2 x i32>, i32, i32) nounwind readonly 125 126 %struct.__neon_int8x8x3_t = type { <8 x i8>, <8 x i8>, <8 x i8> } 127 %struct.__neon_int16x4x3_t = type { <4 x i16>, <4 x i16>, <4 x i16> } 128 129 ;Check for a post-increment updating load with register increment. 130 define <8 x i8> @vld3dupi8_update(i8** %ptr, i32 %inc) nounwind { 131 ;CHECK-LABEL: vld3dupi8_update: 132 ;CHECK: vld3.8 {d16[], d17[], d18[]}, [r2], r1 133 %A = load i8** %ptr 134 %tmp0 = tail call %struct.__neon_int8x8x3_t @llvm.arm.neon.vld3lane.v8i8(i8* %A, <8 x i8> undef, <8 x i8> undef, <8 x i8> undef, i32 0, i32 8) 135 %tmp1 = extractvalue %struct.__neon_int8x8x3_t %tmp0, 0 136 %tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> zeroinitializer 137 %tmp3 = extractvalue %struct.__neon_int8x8x3_t %tmp0, 1 138 %tmp4 = shufflevector <8 x i8> %tmp3, <8 x i8> undef, <8 x i32> zeroinitializer 139 %tmp5 = extractvalue %struct.__neon_int8x8x3_t %tmp0, 2 140 %tmp6 = shufflevector <8 x i8> %tmp5, <8 x i8> undef, <8 x i32> zeroinitializer 141 %tmp7 = add <8 x i8> %tmp2, %tmp4 142 %tmp8 = add <8 x i8> %tmp7, %tmp6 143 %tmp9 = getelementptr i8* %A, i32 %inc 144 store i8* %tmp9, i8** %ptr 145 ret <8 x i8> %tmp8 146 } 147 148 define <4 x i16> @vld3dupi16(i8* %A) nounwind { 149 ;CHECK-LABEL: vld3dupi16: 150 ;Check the (default) alignment value. VLD3 does not support alignment. 151 ;CHECK: vld3.16 {d16[], d17[], d18[]}, [r0] 152 %tmp0 = tail call %struct.__neon_int16x4x3_t @llvm.arm.neon.vld3lane.v4i16(i8* %A, <4 x i16> undef, <4 x i16> undef, <4 x i16> undef, i32 0, i32 8) 153 %tmp1 = extractvalue %struct.__neon_int16x4x3_t %tmp0, 0 154 %tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> zeroinitializer 155 %tmp3 = extractvalue %struct.__neon_int16x4x3_t %tmp0, 1 156 %tmp4 = shufflevector <4 x i16> %tmp3, <4 x i16> undef, <4 x i32> zeroinitializer 157 %tmp5 = extractvalue %struct.__neon_int16x4x3_t %tmp0, 2 158 %tmp6 = shufflevector <4 x i16> %tmp5, <4 x i16> undef, <4 x i32> zeroinitializer 159 %tmp7 = add <4 x i16> %tmp2, %tmp4 160 %tmp8 = add <4 x i16> %tmp7, %tmp6 161 ret <4 x i16> %tmp8 162 } 163 164 declare %struct.__neon_int8x8x3_t @llvm.arm.neon.vld3lane.v8i8(i8*, <8 x i8>, <8 x i8>, <8 x i8>, i32, i32) nounwind readonly 165 declare %struct.__neon_int16x4x3_t @llvm.arm.neon.vld3lane.v4i16(i8*, <4 x i16>, <4 x i16>, <4 x i16>, i32, i32) nounwind readonly 166 167 %struct.__neon_int16x4x4_t = type { <4 x i16>, <4 x i16>, <4 x i16>, <4 x i16> } 168 %struct.__neon_int32x2x4_t = type { <2 x i32>, <2 x i32>, <2 x i32>, <2 x i32> } 169 170 ;Check for a post-increment updating load. 171 define <4 x i16> @vld4dupi16_update(i16** %ptr) nounwind { 172 ;CHECK-LABEL: vld4dupi16_update: 173 ;CHECK: vld4.16 {d16[], d17[], d18[], d19[]}, [r1]! 174 %A = load i16** %ptr 175 %A2 = bitcast i16* %A to i8* 176 %tmp0 = tail call %struct.__neon_int16x4x4_t @llvm.arm.neon.vld4lane.v4i16(i8* %A2, <4 x i16> undef, <4 x i16> undef, <4 x i16> undef, <4 x i16> undef, i32 0, i32 1) 177 %tmp1 = extractvalue %struct.__neon_int16x4x4_t %tmp0, 0 178 %tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> zeroinitializer 179 %tmp3 = extractvalue %struct.__neon_int16x4x4_t %tmp0, 1 180 %tmp4 = shufflevector <4 x i16> %tmp3, <4 x i16> undef, <4 x i32> zeroinitializer 181 %tmp5 = extractvalue %struct.__neon_int16x4x4_t %tmp0, 2 182 %tmp6 = shufflevector <4 x i16> %tmp5, <4 x i16> undef, <4 x i32> zeroinitializer 183 %tmp7 = extractvalue %struct.__neon_int16x4x4_t %tmp0, 3 184 %tmp8 = shufflevector <4 x i16> %tmp7, <4 x i16> undef, <4 x i32> zeroinitializer 185 %tmp9 = add <4 x i16> %tmp2, %tmp4 186 %tmp10 = add <4 x i16> %tmp6, %tmp8 187 %tmp11 = add <4 x i16> %tmp9, %tmp10 188 %tmp12 = getelementptr i16* %A, i32 4 189 store i16* %tmp12, i16** %ptr 190 ret <4 x i16> %tmp11 191 } 192 193 define <2 x i32> @vld4dupi32(i8* %A) nounwind { 194 ;CHECK-LABEL: vld4dupi32: 195 ;Check the alignment value. An 8-byte alignment is allowed here even though 196 ;it is smaller than the total size of the memory being loaded. 197 ;CHECK: vld4.32 {d16[], d17[], d18[], d19[]}, [r0:64] 198 %tmp0 = tail call %struct.__neon_int32x2x4_t @llvm.arm.neon.vld4lane.v2i32(i8* %A, <2 x i32> undef, <2 x i32> undef, <2 x i32> undef, <2 x i32> undef, i32 0, i32 8) 199 %tmp1 = extractvalue %struct.__neon_int32x2x4_t %tmp0, 0 200 %tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <2 x i32> zeroinitializer 201 %tmp3 = extractvalue %struct.__neon_int32x2x4_t %tmp0, 1 202 %tmp4 = shufflevector <2 x i32> %tmp3, <2 x i32> undef, <2 x i32> zeroinitializer 203 %tmp5 = extractvalue %struct.__neon_int32x2x4_t %tmp0, 2 204 %tmp6 = shufflevector <2 x i32> %tmp5, <2 x i32> undef, <2 x i32> zeroinitializer 205 %tmp7 = extractvalue %struct.__neon_int32x2x4_t %tmp0, 3 206 %tmp8 = shufflevector <2 x i32> %tmp7, <2 x i32> undef, <2 x i32> zeroinitializer 207 %tmp9 = add <2 x i32> %tmp2, %tmp4 208 %tmp10 = add <2 x i32> %tmp6, %tmp8 209 %tmp11 = add <2 x i32> %tmp9, %tmp10 210 ret <2 x i32> %tmp11 211 } 212 213 declare %struct.__neon_int16x4x4_t @llvm.arm.neon.vld4lane.v4i16(i8*, <4 x i16>, <4 x i16>, <4 x i16>, <4 x i16>, i32, i32) nounwind readonly 214 declare %struct.__neon_int32x2x4_t @llvm.arm.neon.vld4lane.v2i32(i8*, <2 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, i32, i32) nounwind readonly 215
