1; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s 2 3define <8 x i8> @vtrni8(<8 x i8>* %A, <8 x i8>* %B) nounwind { 4;CHECK: vtrni8: 5;CHECK: vtrn.8 6;CHECK-NEXT: vadd.i8 7 %tmp1 = load <8 x i8>* %A 8 %tmp2 = load <8 x i8>* %B 9 %tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14> 10 %tmp4 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15> 11 %tmp5 = add <8 x i8> %tmp3, %tmp4 12 ret <8 x i8> %tmp5 13} 14 15define <4 x i16> @vtrni16(<4 x i16>* %A, <4 x i16>* %B) nounwind { 16;CHECK: vtrni16: 17;CHECK: vtrn.16 18;CHECK-NEXT: vadd.i16 19 %tmp1 = load <4 x i16>* %A 20 %tmp2 = load <4 x i16>* %B 21 %tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> %tmp2, <4 x i32> <i32 0, i32 4, i32 2, i32 6> 22 %tmp4 = shufflevector <4 x i16> %tmp1, <4 x i16> %tmp2, <4 x i32> <i32 1, i32 5, i32 3, i32 7> 23 %tmp5 = add <4 x i16> %tmp3, %tmp4 24 ret <4 x i16> %tmp5 25} 26 27define <2 x i32> @vtrni32(<2 x i32>* %A, <2 x i32>* %B) nounwind { 28;CHECK: vtrni32: 29;CHECK: vtrn.32 30;CHECK-NEXT: vadd.i32 31 %tmp1 = load <2 x i32>* %A 32 %tmp2 = load <2 x i32>* %B 33 %tmp3 = shufflevector <2 x i32> %tmp1, <2 x i32> %tmp2, <2 x i32> <i32 0, i32 2> 34 %tmp4 = shufflevector <2 x i32> %tmp1, <2 x i32> %tmp2, <2 x i32> <i32 1, i32 3> 35 %tmp5 = add <2 x i32> %tmp3, %tmp4 36 ret <2 x i32> %tmp5 37} 38 39define <2 x float> @vtrnf(<2 x float>* %A, <2 x float>* %B) nounwind { 40;CHECK: vtrnf: 41;CHECK: vtrn.32 42;CHECK-NEXT: vadd.f32 43 %tmp1 = load <2 x float>* %A 44 %tmp2 = load <2 x float>* %B 45 %tmp3 = shufflevector <2 x float> %tmp1, <2 x float> %tmp2, <2 x i32> <i32 0, i32 2> 46 %tmp4 = shufflevector <2 x float> %tmp1, <2 x float> %tmp2, <2 x i32> <i32 1, i32 3> 47 %tmp5 = fadd <2 x float> %tmp3, %tmp4 48 ret <2 x float> %tmp5 49} 50 51define <16 x i8> @vtrnQi8(<16 x i8>* %A, <16 x i8>* %B) nounwind { 52;CHECK: vtrnQi8: 53;CHECK: vtrn.8 54;CHECK-NEXT: vadd.i8 55 %tmp1 = load <16 x i8>* %A 56 %tmp2 = load <16 x i8>* %B 57 %tmp3 = shufflevector <16 x i8> %tmp1, <16 x i8> %tmp2, <16 x i32> <i32 0, i32 16, i32 2, i32 18, i32 4, i32 20, i32 6, i32 22, i32 8, i32 24, i32 10, i32 26, i32 12, i32 28, i32 14, i32 30> 58 %tmp4 = shufflevector <16 x i8> %tmp1, <16 x i8> %tmp2, <16 x i32> <i32 1, i32 17, i32 3, i32 19, i32 5, i32 21, i32 7, i32 23, i32 9, i32 25, i32 11, i32 27, i32 13, i32 29, i32 15, i32 31> 59 %tmp5 = add <16 x i8> %tmp3, %tmp4 60 ret <16 x i8> %tmp5 61} 62 63define <8 x i16> @vtrnQi16(<8 x i16>* %A, <8 x i16>* %B) nounwind { 64;CHECK: vtrnQi16: 65;CHECK: vtrn.16 66;CHECK-NEXT: vadd.i16 67 %tmp1 = load <8 x i16>* %A 68 %tmp2 = load <8 x i16>* %B 69 %tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14> 70 %tmp4 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15> 71 %tmp5 = add <8 x i16> %tmp3, %tmp4 72 ret <8 x i16> %tmp5 73} 74 75define <4 x i32> @vtrnQi32(<4 x i32>* %A, <4 x i32>* %B) nounwind { 76;CHECK: vtrnQi32: 77;CHECK: vtrn.32 78;CHECK-NEXT: vadd.i32 79 %tmp1 = load <4 x i32>* %A 80 %tmp2 = load <4 x i32>* %B 81 %tmp3 = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> <i32 0, i32 4, i32 2, i32 6> 82 %tmp4 = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> <i32 1, i32 5, i32 3, i32 7> 83 %tmp5 = add <4 x i32> %tmp3, %tmp4 84 ret <4 x i32> %tmp5 85} 86 87define <4 x float> @vtrnQf(<4 x float>* %A, <4 x float>* %B) nounwind { 88;CHECK: vtrnQf: 89;CHECK: vtrn.32 90;CHECK-NEXT: vadd.f32 91 %tmp1 = load <4 x float>* %A 92 %tmp2 = load <4 x float>* %B 93 %tmp3 = shufflevector <4 x float> %tmp1, <4 x float> %tmp2, <4 x i32> <i32 0, i32 4, i32 2, i32 6> 94 %tmp4 = shufflevector <4 x float> %tmp1, <4 x float> %tmp2, <4 x i32> <i32 1, i32 5, i32 3, i32 7> 95 %tmp5 = fadd <4 x float> %tmp3, %tmp4 96 ret <4 x float> %tmp5 97} 98 99; Undef shuffle indices should not prevent matching to VTRN: 100 101define <8 x i8> @vtrni8_undef(<8 x i8>* %A, <8 x i8>* %B) nounwind { 102;CHECK: vtrni8_undef: 103;CHECK: vtrn.8 104;CHECK-NEXT: vadd.i8 105 %tmp1 = load <8 x i8>* %A 106 %tmp2 = load <8 x i8>* %B 107 %tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 0, i32 undef, i32 2, i32 10, i32 undef, i32 12, i32 6, i32 14> 108 %tmp4 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 undef, i32 undef, i32 15> 109 %tmp5 = add <8 x i8> %tmp3, %tmp4 110 ret <8 x i8> %tmp5 111} 112 113define <8 x i16> @vtrnQi16_undef(<8 x i16>* %A, <8 x i16>* %B) nounwind { 114;CHECK: vtrnQi16_undef: 115;CHECK: vtrn.16 116;CHECK-NEXT: vadd.i16 117 %tmp1 = load <8 x i16>* %A 118 %tmp2 = load <8 x i16>* %B 119 %tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 0, i32 8, i32 undef, i32 undef, i32 4, i32 12, i32 6, i32 14> 120 %tmp4 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 1, i32 undef, i32 3, i32 11, i32 5, i32 13, i32 undef, i32 undef> 121 %tmp5 = add <8 x i16> %tmp3, %tmp4 122 ret <8 x i16> %tmp5 123} 124 125