1 ; RUN: llc -mtriple=arm-eabi -float-abi=soft -mattr=+neon %s -o - | FileCheck %s 2 3 ; RUN: llc -mtriple=arm-eabi -float-abi=soft -mattr=+neon -regalloc=basic %s -o - \ 4 ; RUN: | FileCheck %s 5 6 define <8 x i8> @vld1i8(i8* %A) nounwind { 7 ;CHECK-LABEL: vld1i8: 8 ;Check the alignment value. Max for this instruction is 64 bits: 9 ;CHECK: vld1.8 {d16}, [r0:64] 10 %tmp1 = call <8 x i8> @llvm.arm.neon.vld1.v8i8(i8* %A, i32 16) 11 ret <8 x i8> %tmp1 12 } 13 14 define <4 x i16> @vld1i16(i16* %A) nounwind { 15 ;CHECK-LABEL: vld1i16: 16 ;CHECK: vld1.16 17 %tmp0 = bitcast i16* %A to i8* 18 %tmp1 = call <4 x i16> @llvm.arm.neon.vld1.v4i16(i8* %tmp0, i32 1) 19 ret <4 x i16> %tmp1 20 } 21 22 ;Check for a post-increment updating load. 23 define <4 x i16> @vld1i16_update(i16** %ptr) nounwind { 24 ;CHECK-LABEL: vld1i16_update: 25 ;CHECK: vld1.16 {d16}, [{{r[0-9]+}}]! 26 %A = load i16** %ptr 27 %tmp0 = bitcast i16* %A to i8* 28 %tmp1 = call <4 x i16> @llvm.arm.neon.vld1.v4i16(i8* %tmp0, i32 1) 29 %tmp2 = getelementptr i16* %A, i32 4 30 store i16* %tmp2, i16** %ptr 31 ret <4 x i16> %tmp1 32 } 33 34 define <2 x i32> @vld1i32(i32* %A) nounwind { 35 ;CHECK-LABEL: vld1i32: 36 ;CHECK: vld1.32 37 %tmp0 = bitcast i32* %A to i8* 38 %tmp1 = call <2 x i32> @llvm.arm.neon.vld1.v2i32(i8* %tmp0, i32 1) 39 ret <2 x i32> %tmp1 40 } 41 42 ;Check for a post-increment updating load with register increment. 43 define <2 x i32> @vld1i32_update(i32** %ptr, i32 %inc) nounwind { 44 ;CHECK-LABEL: vld1i32_update: 45 ;CHECK: vld1.32 {d16}, [{{r[0-9]+}}], {{r[0-9]+}} 46 %A = load i32** %ptr 47 %tmp0 = bitcast i32* %A to i8* 48 %tmp1 = call <2 x i32> @llvm.arm.neon.vld1.v2i32(i8* %tmp0, i32 1) 49 %tmp2 = getelementptr i32* %A, i32 %inc 50 store i32* %tmp2, i32** %ptr 51 ret <2 x i32> %tmp1 52 } 53 54 define <2 x float> @vld1f(float* %A) nounwind { 55 ;CHECK-LABEL: vld1f: 56 ;CHECK: vld1.32 57 %tmp0 = bitcast float* %A to i8* 58 %tmp1 = call <2 x float> @llvm.arm.neon.vld1.v2f32(i8* %tmp0, i32 1) 59 ret <2 x float> %tmp1 60 } 61 62 define <1 x i64> @vld1i64(i64* %A) nounwind { 63 ;CHECK-LABEL: vld1i64: 64 ;CHECK: vld1.64 65 %tmp0 = bitcast i64* %A to i8* 66 %tmp1 = call <1 x i64> @llvm.arm.neon.vld1.v1i64(i8* %tmp0, i32 1) 67 ret <1 x i64> %tmp1 68 } 69 70 define <16 x i8> @vld1Qi8(i8* %A) nounwind { 71 ;CHECK-LABEL: vld1Qi8: 72 ;Check the alignment value. Max for this instruction is 128 bits: 73 ;CHECK: vld1.8 {d16, d17}, [r0:64] 74 %tmp1 = call <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* %A, i32 8) 75 ret <16 x i8> %tmp1 76 } 77 78 ;Check for a post-increment updating load. 79 define <16 x i8> @vld1Qi8_update(i8** %ptr) nounwind { 80 ;CHECK-LABEL: vld1Qi8_update: 81 ;CHECK: vld1.8 {d16, d17}, [{{r[0-9]+}}:64]! 82 %A = load i8** %ptr 83 %tmp1 = call <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* %A, i32 8) 84 %tmp2 = getelementptr i8* %A, i32 16 85 store i8* %tmp2, i8** %ptr 86 ret <16 x i8> %tmp1 87 } 88 89 define <8 x i16> @vld1Qi16(i16* %A) nounwind { 90 ;CHECK-LABEL: vld1Qi16: 91 ;Check the alignment value. Max for this instruction is 128 bits: 92 ;CHECK: vld1.16 {d16, d17}, [r0:128] 93 %tmp0 = bitcast i16* %A to i8* 94 %tmp1 = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %tmp0, i32 32) 95 ret <8 x i16> %tmp1 96 } 97 98 define <4 x i32> @vld1Qi32(i32* %A) nounwind { 99 ;CHECK-LABEL: vld1Qi32: 100 ;CHECK: vld1.32 101 %tmp0 = bitcast i32* %A to i8* 102 %tmp1 = call <4 x i32> @llvm.arm.neon.vld1.v4i32(i8* %tmp0, i32 1) 103 ret <4 x i32> %tmp1 104 } 105 106 define <4 x float> @vld1Qf(float* %A) nounwind { 107 ;CHECK-LABEL: vld1Qf: 108 ;CHECK: vld1.32 109 %tmp0 = bitcast float* %A to i8* 110 %tmp1 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* %tmp0, i32 1) 111 ret <4 x float> %tmp1 112 } 113 114 define <2 x i64> @vld1Qi64(i64* %A) nounwind { 115 ;CHECK-LABEL: vld1Qi64: 116 ;CHECK: vld1.64 117 %tmp0 = bitcast i64* %A to i8* 118 %tmp1 = call <2 x i64> @llvm.arm.neon.vld1.v2i64(i8* %tmp0, i32 1) 119 ret <2 x i64> %tmp1 120 } 121 122 declare <8 x i8> @llvm.arm.neon.vld1.v8i8(i8*, i32) nounwind readonly 123 declare <4 x i16> @llvm.arm.neon.vld1.v4i16(i8*, i32) nounwind readonly 124 declare <2 x i32> @llvm.arm.neon.vld1.v2i32(i8*, i32) nounwind readonly 125 declare <2 x float> @llvm.arm.neon.vld1.v2f32(i8*, i32) nounwind readonly 126 declare <1 x i64> @llvm.arm.neon.vld1.v1i64(i8*, i32) nounwind readonly 127 128 declare <16 x i8> @llvm.arm.neon.vld1.v16i8(i8*, i32) nounwind readonly 129 declare <8 x i16> @llvm.arm.neon.vld1.v8i16(i8*, i32) nounwind readonly 130 declare <4 x i32> @llvm.arm.neon.vld1.v4i32(i8*, i32) nounwind readonly 131 declare <4 x float> @llvm.arm.neon.vld1.v4f32(i8*, i32) nounwind readonly 132 declare <2 x i64> @llvm.arm.neon.vld1.v2i64(i8*, i32) nounwind readonly 133 134 ; Radar 8355607 135 ; Do not crash if the vld1 result is not used. 136 define void @unused_vld1_result() { 137 entry: 138 %0 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) 139 call void @llvm.trap() 140 unreachable 141 } 142 143 declare void @llvm.trap() nounwind 144
