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1; RUN: llc -mtriple=arm-eabi -float-abi=soft -mattr=+neon %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-LE2; RUN: llc -mtriple=armeb-eabi -float-abi=soft -mattr=+neon %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-BE3 4define <16 x i8> @vcombine8(ptr %A, ptr %B) nounwind {5; CHECK-LABEL: vcombine86; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]7; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]8 9; CHECK-LE-DAG: vmov r0, r1, [[LD0]]10; CHECK-LE-DAG: vmov r2, r3, [[LD1]]11 12; CHECK-BE-DAG: vmov r1, r0, d1613; CHECK-BE-DAG: vmov r3, r2, d1714 %tmp1 = load <8 x i8>, ptr %A15 %tmp2 = load <8 x i8>, ptr %B16 %tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>17 ret <16 x i8> %tmp318}19 20define <8 x i16> @vcombine16(ptr %A, ptr %B) nounwind {21; CHECK-LABEL: vcombine1622; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]23; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]24 25; CHECK-LE-DAG: vmov r0, r1, [[LD0]]26; CHECK-LE-DAG: vmov r2, r3, [[LD1]]27 28; CHECK-BE-DAG: vmov r1, r0, d1629; CHECK-BE-DAG: vmov r3, r2, d1730 %tmp1 = load <4 x i16>, ptr %A31 %tmp2 = load <4 x i16>, ptr %B32 %tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> %tmp2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>33 ret <8 x i16> %tmp334}35 36define <4 x i32> @vcombine32(ptr %A, ptr %B) nounwind {37; CHECK-LABEL: vcombine3238 39; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]40; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]41 42; CHECK-LE: vmov r2, r3, [[LD1]]43; CHECK-LE: vmov r0, r1, [[LD0]]44 45; CHECK-BE: vmov r1, r0, d1646; CHECK-BE: vmov r3, r2, d1747 %tmp1 = load <2 x i32>, ptr %A48 %tmp2 = load <2 x i32>, ptr %B49 %tmp3 = shufflevector <2 x i32> %tmp1, <2 x i32> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>50 ret <4 x i32> %tmp351}52 53define <4 x float> @vcombinefloat(ptr %A, ptr %B) nounwind {54; CHECK-LABEL: vcombinefloat55 56; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]57; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]58 59; CHECK-LE: vmov r2, r3, [[LD1]]60; CHECK-LE: vmov r0, r1, [[LD0]]61 62; CHECK-BE: vmov r1, r0, d1663; CHECK-BE: vmov r3, r2, d1764 %tmp1 = load <2 x float>, ptr %A65 %tmp2 = load <2 x float>, ptr %B66 %tmp3 = shufflevector <2 x float> %tmp1, <2 x float> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>67 ret <4 x float> %tmp368}69 70define <2 x i64> @vcombine64(ptr %A, ptr %B) nounwind {71; CHECK-LABEL: vcombine6472; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]73; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]74 75; CHECK-LE: vmov r2, r3, [[LD1]]76; CHECK-LE: vmov r0, r1, [[LD0]]77 78; CHECK-BE: vmov r3, r2, [[LD1]]79; CHECK-BE: vmov r1, r0, [[LD0]]80 %tmp1 = load <1 x i64>, ptr %A81 %tmp2 = load <1 x i64>, ptr %B82 %tmp3 = shufflevector <1 x i64> %tmp1, <1 x i64> %tmp2, <2 x i32> <i32 0, i32 1>83 ret <2 x i64> %tmp384}85 86; Check for vget_low and vget_high implemented with shufflevector. PR8411.87; They should not require storing to the stack.88 89define <4 x i16> @vget_low16(ptr %A) nounwind {90; CHECK: vget_low1691; CHECK-NOT: vst92; CHECK-LE: vmov r0, r1, d1693; CHECK-BE: vmov r1, r0, d1694 %tmp1 = load <8 x i16>, ptr %A95 %tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>96 ret <4 x i16> %tmp297}98 99define <8 x i8> @vget_high8(ptr %A) nounwind {100; CHECK: vget_high8101; CHECK-NOT: vst102; CHECK-LE-NOT: vld1.64 {d16, d17}, [r0]103; CHECK-LE: vldr d16, [r0, #8]104; CHECK-LE: vmov r0, r1, d16105; CHECK-BE: vmov r1, r0, d16106 %tmp1 = load <16 x i8>, ptr %A107 %tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>108 ret <8 x i8> %tmp2109}110 111; vcombine(vld1_dup(p), vld1_dup(p2))112define <8 x i16> @vcombine_vdup(<8 x i16> %src, ptr nocapture readonly %p) {113; CHECK-LABEL: vcombine_vdup:114; CHECK: vld1.16 {d16[]},115; CHECK: vld1.16 {d17[]},116; CHECK-LE: vmov r0, r1, d16117; CHECK-LE: vmov r2, r3, d17118 %a1 = load i16, ptr %p, align 2119 %a2 = insertelement <4 x i16> undef, i16 %a1, i32 0120 %a3 = shufflevector <4 x i16> %a2, <4 x i16> undef, <4 x i32> zeroinitializer121 %p2 = getelementptr inbounds i16, ptr %p, i32 1122 %b1 = load i16, ptr %p2, align 2123 %b2 = insertelement <4 x i16> undef, i16 %b1, i32 0124 %b3 = shufflevector <4 x i16> %b2, <4 x i16> undef, <4 x i32> zeroinitializer125 %shuffle = shufflevector <4 x i16> %a3, <4 x i16> %b3, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>126 ret <8 x i16> %shuffle127}128