1 ; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s 2 3 %struct.__neon_int8x8x2_t = type { <8 x i8>, <8 x i8> } 4 %struct.__neon_int16x4x2_t = type { <4 x i16>, <4 x i16> } 5 %struct.__neon_int32x2x2_t = type { <2 x i32>, <2 x i32> } 6 %struct.__neon_float32x2x2_t = type { <2 x float>, <2 x float> } 7 %struct.__neon_int64x1x2_t = type { <1 x i64>, <1 x i64> } 8 9 %struct.__neon_int8x16x2_t = type { <16 x i8>, <16 x i8> } 10 %struct.__neon_int16x8x2_t = type { <8 x i16>, <8 x i16> } 11 %struct.__neon_int32x4x2_t = type { <4 x i32>, <4 x i32> } 12 %struct.__neon_float32x4x2_t = type { <4 x float>, <4 x float> } 13 14 define <8 x i8> @vld2i8(i8* %A) nounwind { 15 ;CHECK-LABEL: vld2i8: 16 ;Check the alignment value. Max for this instruction is 128 bits: 17 ;CHECK: vld2.8 {d16, d17}, [r0:64] 18 %tmp1 = call %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2.v8i8(i8* %A, i32 8) 19 %tmp2 = extractvalue %struct.__neon_int8x8x2_t %tmp1, 0 20 %tmp3 = extractvalue %struct.__neon_int8x8x2_t %tmp1, 1 21 %tmp4 = add <8 x i8> %tmp2, %tmp3 22 ret <8 x i8> %tmp4 23 } 24 25 define <4 x i16> @vld2i16(i16* %A) nounwind { 26 ;CHECK-LABEL: vld2i16: 27 ;Check the alignment value. Max for this instruction is 128 bits: 28 ;CHECK: vld2.16 {d16, d17}, [r0:128] 29 %tmp0 = bitcast i16* %A to i8* 30 %tmp1 = call %struct.__neon_int16x4x2_t @llvm.arm.neon.vld2.v4i16(i8* %tmp0, i32 32) 31 %tmp2 = extractvalue %struct.__neon_int16x4x2_t %tmp1, 0 32 %tmp3 = extractvalue %struct.__neon_int16x4x2_t %tmp1, 1 33 %tmp4 = add <4 x i16> %tmp2, %tmp3 34 ret <4 x i16> %tmp4 35 } 36 37 define <2 x i32> @vld2i32(i32* %A) nounwind { 38 ;CHECK-LABEL: vld2i32: 39 ;CHECK: vld2.32 40 %tmp0 = bitcast i32* %A to i8* 41 %tmp1 = call %struct.__neon_int32x2x2_t @llvm.arm.neon.vld2.v2i32(i8* %tmp0, i32 1) 42 %tmp2 = extractvalue %struct.__neon_int32x2x2_t %tmp1, 0 43 %tmp3 = extractvalue %struct.__neon_int32x2x2_t %tmp1, 1 44 %tmp4 = add <2 x i32> %tmp2, %tmp3 45 ret <2 x i32> %tmp4 46 } 47 48 define <2 x float> @vld2f(float* %A) nounwind { 49 ;CHECK-LABEL: vld2f: 50 ;CHECK: vld2.32 51 %tmp0 = bitcast float* %A to i8* 52 %tmp1 = call %struct.__neon_float32x2x2_t @llvm.arm.neon.vld2.v2f32(i8* %tmp0, i32 1) 53 %tmp2 = extractvalue %struct.__neon_float32x2x2_t %tmp1, 0 54 %tmp3 = extractvalue %struct.__neon_float32x2x2_t %tmp1, 1 55 %tmp4 = fadd <2 x float> %tmp2, %tmp3 56 ret <2 x float> %tmp4 57 } 58 59 ;Check for a post-increment updating load. 60 define <2 x float> @vld2f_update(float** %ptr) nounwind { 61 ;CHECK-LABEL: vld2f_update: 62 ;CHECK: vld2.32 {d16, d17}, [r1]! 63 %A = load float*, float** %ptr 64 %tmp0 = bitcast float* %A to i8* 65 %tmp1 = call %struct.__neon_float32x2x2_t @llvm.arm.neon.vld2.v2f32(i8* %tmp0, i32 1) 66 %tmp2 = extractvalue %struct.__neon_float32x2x2_t %tmp1, 0 67 %tmp3 = extractvalue %struct.__neon_float32x2x2_t %tmp1, 1 68 %tmp4 = fadd <2 x float> %tmp2, %tmp3 69 %tmp5 = getelementptr float, float* %A, i32 4 70 store float* %tmp5, float** %ptr 71 ret <2 x float> %tmp4 72 } 73 74 define <1 x i64> @vld2i64(i64* %A) nounwind { 75 ;CHECK-LABEL: vld2i64: 76 ;Check the alignment value. Max for this instruction is 128 bits: 77 ;CHECK: vld1.64 {d16, d17}, [r0:128] 78 %tmp0 = bitcast i64* %A to i8* 79 %tmp1 = call %struct.__neon_int64x1x2_t @llvm.arm.neon.vld2.v1i64(i8* %tmp0, i32 32) 80 %tmp2 = extractvalue %struct.__neon_int64x1x2_t %tmp1, 0 81 %tmp3 = extractvalue %struct.__neon_int64x1x2_t %tmp1, 1 82 %tmp4 = add <1 x i64> %tmp2, %tmp3 83 ret <1 x i64> %tmp4 84 } 85 86 define <16 x i8> @vld2Qi8(i8* %A) nounwind { 87 ;CHECK-LABEL: vld2Qi8: 88 ;Check the alignment value. Max for this instruction is 256 bits: 89 ;CHECK: vld2.8 {d16, d17, d18, d19}, [r0:64] 90 %tmp1 = call %struct.__neon_int8x16x2_t @llvm.arm.neon.vld2.v16i8(i8* %A, i32 8) 91 %tmp2 = extractvalue %struct.__neon_int8x16x2_t %tmp1, 0 92 %tmp3 = extractvalue %struct.__neon_int8x16x2_t %tmp1, 1 93 %tmp4 = add <16 x i8> %tmp2, %tmp3 94 ret <16 x i8> %tmp4 95 } 96 97 ;Check for a post-increment updating load with register increment. 98 define <16 x i8> @vld2Qi8_update(i8** %ptr, i32 %inc) nounwind { 99 ;CHECK-LABEL: vld2Qi8_update: 100 ;CHECK: vld2.8 {d16, d17, d18, d19}, [r2:128], r1 101 %A = load i8*, i8** %ptr 102 %tmp1 = call %struct.__neon_int8x16x2_t @llvm.arm.neon.vld2.v16i8(i8* %A, i32 16) 103 %tmp2 = extractvalue %struct.__neon_int8x16x2_t %tmp1, 0 104 %tmp3 = extractvalue %struct.__neon_int8x16x2_t %tmp1, 1 105 %tmp4 = add <16 x i8> %tmp2, %tmp3 106 %tmp5 = getelementptr i8, i8* %A, i32 %inc 107 store i8* %tmp5, i8** %ptr 108 ret <16 x i8> %tmp4 109 } 110 111 define <8 x i16> @vld2Qi16(i16* %A) nounwind { 112 ;CHECK-LABEL: vld2Qi16: 113 ;Check the alignment value. Max for this instruction is 256 bits: 114 ;CHECK: vld2.16 {d16, d17, d18, d19}, [r0:128] 115 %tmp0 = bitcast i16* %A to i8* 116 %tmp1 = call %struct.__neon_int16x8x2_t @llvm.arm.neon.vld2.v8i16(i8* %tmp0, i32 16) 117 %tmp2 = extractvalue %struct.__neon_int16x8x2_t %tmp1, 0 118 %tmp3 = extractvalue %struct.__neon_int16x8x2_t %tmp1, 1 119 %tmp4 = add <8 x i16> %tmp2, %tmp3 120 ret <8 x i16> %tmp4 121 } 122 123 define <4 x i32> @vld2Qi32(i32* %A) nounwind { 124 ;CHECK-LABEL: vld2Qi32: 125 ;Check the alignment value. Max for this instruction is 256 bits: 126 ;CHECK: vld2.32 {d16, d17, d18, d19}, [r0:256] 127 %tmp0 = bitcast i32* %A to i8* 128 %tmp1 = call %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2.v4i32(i8* %tmp0, i32 64) 129 %tmp2 = extractvalue %struct.__neon_int32x4x2_t %tmp1, 0 130 %tmp3 = extractvalue %struct.__neon_int32x4x2_t %tmp1, 1 131 %tmp4 = add <4 x i32> %tmp2, %tmp3 132 ret <4 x i32> %tmp4 133 } 134 135 define <4 x float> @vld2Qf(float* %A) nounwind { 136 ;CHECK-LABEL: vld2Qf: 137 ;CHECK: vld2.32 138 %tmp0 = bitcast float* %A to i8* 139 %tmp1 = call %struct.__neon_float32x4x2_t @llvm.arm.neon.vld2.v4f32(i8* %tmp0, i32 1) 140 %tmp2 = extractvalue %struct.__neon_float32x4x2_t %tmp1, 0 141 %tmp3 = extractvalue %struct.__neon_float32x4x2_t %tmp1, 1 142 %tmp4 = fadd <4 x float> %tmp2, %tmp3 143 ret <4 x float> %tmp4 144 } 145 146 declare %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2.v8i8(i8*, i32) nounwind readonly 147 declare %struct.__neon_int16x4x2_t @llvm.arm.neon.vld2.v4i16(i8*, i32) nounwind readonly 148 declare %struct.__neon_int32x2x2_t @llvm.arm.neon.vld2.v2i32(i8*, i32) nounwind readonly 149 declare %struct.__neon_float32x2x2_t @llvm.arm.neon.vld2.v2f32(i8*, i32) nounwind readonly 150 declare %struct.__neon_int64x1x2_t @llvm.arm.neon.vld2.v1i64(i8*, i32) nounwind readonly 151 152 declare %struct.__neon_int8x16x2_t @llvm.arm.neon.vld2.v16i8(i8*, i32) nounwind readonly 153 declare %struct.__neon_int16x8x2_t @llvm.arm.neon.vld2.v8i16(i8*, i32) nounwind readonly 154 declare %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2.v4i32(i8*, i32) nounwind readonly 155 declare %struct.__neon_float32x4x2_t @llvm.arm.neon.vld2.v4f32(i8*, i32) nounwind readonly 156
