Index: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
===================================================================
--- llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -9679,6 +9679,44 @@
   return SDValue();
 }
 
+static SDValue lowerShuffleToZIP_UZP_TRN(ArrayRef<int> M, EVT VT, SDValue V1,
+                                         SDValue V2, SDLoc dl,
+                                         SelectionDAG &DAG,
+                                         bool Zip2Ignored = false) {
+  unsigned WhichResult;
+  if (isZIPMask(M, VT, WhichResult)) {
+    unsigned Opc = (WhichResult == 0) ? AArch64ISD::ZIP1 : AArch64ISD::ZIP2;
+    if (Zip2Ignored && Opc == AArch64ISD::ZIP2)
+      return SDValue();
+    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V2);
+  }
+  if (isUZPMask(M, VT, WhichResult)) {
+    unsigned Opc = (WhichResult == 0) ? AArch64ISD::UZP1 : AArch64ISD::UZP2;
+    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V2);
+  }
+  if (isTRNMask(M, VT, WhichResult)) {
+    unsigned Opc = (WhichResult == 0) ? AArch64ISD::TRN1 : AArch64ISD::TRN2;
+    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V2);
+  }
+
+  if (isZIP_v_undef_Mask(M, VT, WhichResult)) {
+    unsigned Opc = (WhichResult == 0) ? AArch64ISD::ZIP1 : AArch64ISD::ZIP2;
+    if (Zip2Ignored && Opc == AArch64ISD::ZIP2)
+      return SDValue();
+    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V1);
+  }
+  if (isUZP_v_undef_Mask(M, VT, WhichResult)) {
+    unsigned Opc = (WhichResult == 0) ? AArch64ISD::UZP1 : AArch64ISD::UZP2;
+    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V1);
+  }
+  if (isTRN_v_undef_Mask(M, VT, WhichResult)) {
+    unsigned Opc = (WhichResult == 0) ? AArch64ISD::TRN1 : AArch64ISD::TRN2;
+    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V1);
+  }
+
+  return SDValue();
+}
+
 SDValue AArch64TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op,
                                                    SelectionDAG &DAG) const {
   SDLoc dl(Op);
@@ -9770,32 +9808,9 @@
                        DAG.getConstant(Imm, dl, MVT::i32));
   }
 
-  unsigned WhichResult;
-  if (isZIPMask(ShuffleMask, VT, WhichResult)) {
-    unsigned Opc = (WhichResult == 0) ? AArch64ISD::ZIP1 : AArch64ISD::ZIP2;
-    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V2);
-  }
-  if (isUZPMask(ShuffleMask, VT, WhichResult)) {
-    unsigned Opc = (WhichResult == 0) ? AArch64ISD::UZP1 : AArch64ISD::UZP2;
-    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V2);
-  }
-  if (isTRNMask(ShuffleMask, VT, WhichResult)) {
-    unsigned Opc = (WhichResult == 0) ? AArch64ISD::TRN1 : AArch64ISD::TRN2;
-    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V2);
-  }
-
-  if (isZIP_v_undef_Mask(ShuffleMask, VT, WhichResult)) {
-    unsigned Opc = (WhichResult == 0) ? AArch64ISD::ZIP1 : AArch64ISD::ZIP2;
-    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V1);
-  }
-  if (isUZP_v_undef_Mask(ShuffleMask, VT, WhichResult)) {
-    unsigned Opc = (WhichResult == 0) ? AArch64ISD::UZP1 : AArch64ISD::UZP2;
-    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V1);
-  }
-  if (isTRN_v_undef_Mask(ShuffleMask, VT, WhichResult)) {
-    unsigned Opc = (WhichResult == 0) ? AArch64ISD::TRN1 : AArch64ISD::TRN2;
-    return DAG.getNode(Opc, dl, V1.getValueType(), V1, V1);
-  }
+  if (SDValue Permute =
+          lowerShuffleToZIP_UZP_TRN(ShuffleMask, VT, V1, V2, dl, DAG))
+    return Permute;
 
   if (SDValue Concat = tryFormConcatFromShuffle(Op, DAG))
     return Concat;
@@ -19297,6 +19312,29 @@
     return convertFromScalableVector(DAG, VT, Op);
   }
 
+  if (SDValue PermOp =
+          lowerShuffleToZIP_UZP_TRN(ShuffleMask, VT, Op1, Op2, DL, DAG, true))
+    return convertFromScalableVector(DAG, VT, PermOp);
+
+  // In order to ensure the correctness of the shuffle lowering result,
+  // when the vector length and the target register size are inconsistent,
+  // we need to add some restrictions to prevent the new generated instructions
+  // like zip2/rev from having some wrong or undefined behavior.
+  unsigned MinSVESize = Subtarget->getMinSVEVectorSizeInBits();
+  unsigned MaxSVESize = Subtarget->getMaxSVEVectorSizeInBits();
+  if (MinSVESize == MaxSVESize && MaxSVESize == VT.getSizeInBits()) {
+    unsigned WhichResult;
+    if (isZIPMask(ShuffleMask, VT, WhichResult) && WhichResult != 0)
+      return convertFromScalableVector(
+          DAG, VT,
+          DAG.getNode(AArch64ISD::ZIP2, DL, Op1.getValueType(), Op1, Op2));
+
+    if (isZIP_v_undef_Mask(ShuffleMask, VT, WhichResult) && WhichResult != 0)
+      return convertFromScalableVector(
+          DAG, VT,
+          DAG.getNode(AArch64ISD::ZIP2, DL, Op1.getValueType(), Op1, Op1));
+  }
+
   return SDValue();
 }
 
Index: llvm/test/CodeGen/AArch64/sve-fix-length-permute-zip-uzp-trn.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/AArch64/sve-fix-length-permute-zip-uzp-trn.ll
@@ -0,0 +1,648 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -aarch64-sve-vector-bits-min=256 -aarch64-sve-vector-bits-max=256 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_EQ_256
+; RUN: llc -aarch64-sve-vector-bits-min=512 -aarch64-sve-vector-bits-max=512 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_EQ_512
+
+target triple = "aarch64-unknown-linux-gnu"
+
+define void @zip_v32i8(<32 x i8>* %a, <32 x i8>* %b) #1 {
+; CHECK-LABEL: zip_v32i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ptrue p0.b
+; CHECK-NEXT:    ld1b { z0.b }, p0/z, [x0]
+; CHECK-NEXT:    ld1b { z1.b }, p0/z, [x1]
+; CHECK-NEXT:    zip1 z2.b, z0.b, z1.b
+; CHECK-NEXT:    zip2 z0.b, z0.b, z1.b
+; CHECK-NEXT:    add z0.b, p0/m, z0.b, z2.b
+; CHECK-NEXT:    st1b { z0.b }, p0, [x0]
+; CHECK-NEXT:    ret
+  %tmp1 = load <32 x i8>, <32 x i8>* %a
+  %tmp2 = load <32 x i8>, <32 x i8>* %b
+  %tmp3 = shufflevector <32 x i8> %tmp1, <32 x i8> %tmp2, <32 x i32> <i32 0, i32 32, i32 1, i32 33, i32 2, i32 34, i32 3, i32 35, i32 4, i32 36, i32 5, i32 37, i32 6, i32 38, i32 7, i32 39, i32 8, i32 40, i32 9, i32 41, i32 10, i32 42, i32 11, i32 43, i32 12, i32 44, i32 13, i32 45, i32 14, i32 46, i32 15, i32 47>
+  %tmp4 = shufflevector <32 x i8> %tmp1, <32 x i8> %tmp2, <32 x i32> <i32 16, i32 48, i32 17, i32 49, i32 18, i32 50, i32 19, i32 51, i32 20, i32 52, i32 21, i32 53, i32 22, i32 54, i32 23, i32 55, i32 24, i32 56, i32 25, i32 57, i32 26, i32 58, i32 27, i32 59, i32 28, i32 60, i32 29, i32 61, i32 30, i32 62, i32 31, i32 63>
+  %tmp5 = add <32 x i8> %tmp3, %tmp4
+  store <32 x i8> %tmp5, <32 x i8>* %a
+  ret void
+}
+
+define void @zip_v32i16(<32 x i16>* %a, <32 x i16>* %b) #0 {
+; VBITS_EQ_256-LABEL: zip_v32i16:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    mov x8, #16
+; VBITS_EQ_256-NEXT:    ptrue p0.h
+; VBITS_EQ_256-NEXT:    ld1h { z0.h }, p0/z, [x0, x8, lsl #1]
+; VBITS_EQ_256-NEXT:    ld1h { z1.h }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1h { z2.h }, p0/z, [x1, x8, lsl #1]
+; VBITS_EQ_256-NEXT:    ld1h { z3.h }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    zip2 z4.h, z1.h, z3.h
+; VBITS_EQ_256-NEXT:    zip1 z1.h, z1.h, z3.h
+; VBITS_EQ_256-NEXT:    zip2 z3.h, z0.h, z2.h
+; VBITS_EQ_256-NEXT:    zip1 z0.h, z0.h, z2.h
+; VBITS_EQ_256-NEXT:    add z0.h, p0/m, z0.h, z1.h
+; VBITS_EQ_256-NEXT:    movprfx z1, z4
+; VBITS_EQ_256-NEXT:    add z1.h, p0/m, z1.h, z3.h
+; VBITS_EQ_256-NEXT:    st1h { z1.h }, p0, [x0, x8, lsl #1]
+; VBITS_EQ_256-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: zip_v32i16:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.h
+; VBITS_EQ_512-NEXT:    ld1h { z0.h }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1h { z1.h }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    zip1 z2.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    zip2 z0.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    add z0.h, p0/m, z0.h, z2.h
+; VBITS_EQ_512-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <32 x i16>, <32 x i16>* %a
+  %tmp2 = load <32 x i16>, <32 x i16>* %b
+  %tmp3 = shufflevector <32 x i16> %tmp1, <32 x i16> %tmp2, <32 x i32> <i32 0, i32 32, i32 1, i32 33, i32 2, i32 34, i32 3, i32 35, i32 4, i32 36, i32 5, i32 37, i32 6, i32 38, i32 7, i32 39, i32 8, i32 40, i32 9, i32 41, i32 10, i32 42, i32 11, i32 43, i32 12, i32 44, i32 13, i32 45, i32 14, i32 46, i32 15, i32 47>
+  %tmp4 = shufflevector <32 x i16> %tmp1, <32 x i16> %tmp2, <32 x i32> <i32 16, i32 48, i32 17, i32 49, i32 18, i32 50, i32 19, i32 51, i32 20, i32 52, i32 21, i32 53, i32 22, i32 54, i32 23, i32 55, i32 24, i32 56, i32 25, i32 57, i32 26, i32 58, i32 27, i32 59, i32 28, i32 60, i32 29, i32 61, i32 30, i32 62, i32 31, i32 63>
+  %tmp5 = add <32 x i16> %tmp3, %tmp4
+  store <32 x i16> %tmp5, <32 x i16>* %a
+  ret void
+}
+
+define void @zip_v16i16(<16 x i16>* %a, <16 x i16>* %b) #1 {
+; CHECK-LABEL: zip_v16i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ptrue p0.h
+; CHECK-NEXT:    ld1h { z0.h }, p0/z, [x0]
+; CHECK-NEXT:    ld1h { z1.h }, p0/z, [x1]
+; CHECK-NEXT:    zip1 z2.h, z0.h, z1.h
+; CHECK-NEXT:    zip2 z0.h, z0.h, z1.h
+; CHECK-NEXT:    add z0.h, p0/m, z0.h, z2.h
+; CHECK-NEXT:    st1h { z0.h }, p0, [x0]
+; CHECK-NEXT:    ret
+  %tmp1 = load <16 x i16>, <16 x i16>* %a
+  %tmp2 = load <16 x i16>, <16 x i16>* %b
+  %tmp3 = shufflevector <16 x i16> %tmp1, <16 x i16> %tmp2, <16 x i32> <i32 0, i32 16, i32 1, i32 17, i32 2, i32 18, i32 3, i32 19, i32 4, i32 20, i32 5, i32 21, i32 6, i32 22, i32 7, i32 23>
+  %tmp4 = shufflevector <16 x i16> %tmp1, <16 x i16> %tmp2, <16 x i32> <i32 8, i32 24, i32 9, i32 25, i32 10, i32 26, i32 11, i32 27, i32 12, i32 28, i32 13, i32 29, i32 14, i32 30, i32 15, i32 31>
+  %tmp5 = add <16 x i16> %tmp3, %tmp4
+  store <16 x i16> %tmp5, <16 x i16>* %a
+  ret void
+}
+
+define void @zip_v8i32(<8 x i32>* %a, <8 x i32>* %b) #1 {
+; CHECK-LABEL: zip_v8i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ptrue p0.s
+; CHECK-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; CHECK-NEXT:    ld1w { z1.s }, p0/z, [x1]
+; CHECK-NEXT:    zip1 z2.s, z0.s, z1.s
+; CHECK-NEXT:    zip2 z0.s, z0.s, z1.s
+; CHECK-NEXT:    add z0.s, p0/m, z0.s, z2.s
+; CHECK-NEXT:    st1w { z0.s }, p0, [x0]
+; CHECK-NEXT:    ret
+  %tmp1 = load <8 x i32>, <8 x i32>* %a
+  %tmp2 = load <8 x i32>, <8 x i32>* %b
+  %tmp3 = shufflevector <8 x i32> %tmp1, <8 x i32> %tmp2, <8 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11>
+  %tmp4 = shufflevector <8 x i32> %tmp1, <8 x i32> %tmp2, <8 x i32> <i32 4, i32 12, i32 5, i32 13, i32 6, i32 14, i32 7, i32 15>
+  %tmp5 = add <8 x i32> %tmp3, %tmp4
+  store <8 x i32> %tmp5, <8 x i32>* %a
+  ret void
+}
+
+define void @zip_v4f64(<4 x double>* %a, <4 x double>* %b) #0 {
+; VBITS_EQ_256-LABEL: zip_v4f64:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.d
+; VBITS_EQ_256-NEXT:    ld1d { z0.d }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    zip1 z2.d, z0.d, z1.d
+; VBITS_EQ_256-NEXT:    zip2 z0.d, z0.d, z1.d
+; VBITS_EQ_256-NEXT:    fadd z0.d, z2.d, z0.d
+; VBITS_EQ_256-NEXT:    st1d { z0.d }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: zip_v4f64:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    stp x29, x30, [sp, #-16]! // 16-byte Folded Spill
+; VBITS_EQ_512-NEXT:    sub x9, sp, #48
+; VBITS_EQ_512-NEXT:    mov x29, sp
+; VBITS_EQ_512-NEXT:    and sp, x9, #0xffffffffffffffe0
+; VBITS_EQ_512-NEXT:    .cfi_def_cfa w29, 16
+; VBITS_EQ_512-NEXT:    .cfi_offset w30, -8
+; VBITS_EQ_512-NEXT:    .cfi_offset w29, -16
+; VBITS_EQ_512-NEXT:    ptrue p0.d, vl4
+; VBITS_EQ_512-NEXT:    ld1d { z0.d }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    mov z2.d, z1.d[3]
+; VBITS_EQ_512-NEXT:    mov z3.d, z0.d[3]
+; VBITS_EQ_512-NEXT:    stp d3, d2, [sp, #16]
+; VBITS_EQ_512-NEXT:    mov z2.d, z1.d[2]
+; VBITS_EQ_512-NEXT:    mov z3.d, z0.d[2]
+; VBITS_EQ_512-NEXT:    zip1 z0.d, z0.d, z1.d
+; VBITS_EQ_512-NEXT:    stp d3, d2, [sp]
+; VBITS_EQ_512-NEXT:    ld1d { z2.d }, p0/z, [sp]
+; VBITS_EQ_512-NEXT:    fadd z0.d, p0/m, z0.d, z2.d
+; VBITS_EQ_512-NEXT:    st1d { z0.d }, p0, [x0]
+; VBITS_EQ_512-NEXT:    mov sp, x29
+; VBITS_EQ_512-NEXT:    ldp x29, x30, [sp], #16 // 16-byte Folded Reload
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <4 x double>, <4 x double>* %a
+  %tmp2 = load <4 x double>, <4 x double>* %b
+  %tmp3 = shufflevector <4 x double> %tmp1, <4 x double> %tmp2, <4 x i32> <i32 0, i32 4, i32 1, i32 5>
+  %tmp4 = shufflevector <4 x double> %tmp1, <4 x double> %tmp2, <4 x i32> <i32 2, i32 6, i32 3, i32 7>
+  %tmp5 = fadd <4 x double> %tmp3, %tmp4
+  store <4 x double> %tmp5, <4 x double>* %a
+  ret void
+}
+
+; Don't use SVE for 128-bit vectors
+define void @zip_v4i32(<4 x i32>* %a, <4 x i32>* %b) #0 {
+; CHECK-LABEL: zip_v4i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    ldr q1, [x1]
+; CHECK-NEXT:    zip1 v2.4s, v0.4s, v1.4s
+; CHECK-NEXT:    zip2 v0.4s, v0.4s, v1.4s
+; CHECK-NEXT:    add v0.4s, v2.4s, v0.4s
+; CHECK-NEXT:    str q0, [x0]
+; CHECK-NEXT:    ret
+  %tmp1 = load <4 x i32>, <4 x i32>* %a
+  %tmp2 = load <4 x i32>, <4 x i32>* %b
+  %tmp3 = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> <i32 0, i32 4, i32 1, i32 5>
+  %tmp4 = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> <i32 2, i32 6, i32 3, i32 7>
+  %tmp5 = add <4 x i32> %tmp3, %tmp4
+  store <4 x i32> %tmp5, <4 x i32>* %a
+  ret void
+}
+
+define void @zip_v8i32_undef(<8 x i32>* %a) #1 {
+; CHECK-LABEL: zip_v8i32_undef:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ptrue p0.s
+; CHECK-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; CHECK-NEXT:    zip1 z1.s, z0.s, z0.s
+; CHECK-NEXT:    zip2 z0.s, z0.s, z0.s
+; CHECK-NEXT:    add z0.s, p0/m, z0.s, z1.s
+; CHECK-NEXT:    st1w { z0.s }, p0, [x0]
+; CHECK-NEXT:    ret
+  %tmp1 = load <8 x i32>, <8 x i32>* %a
+  %tmp3 = shufflevector <8 x i32> %tmp1, <8 x i32> undef, <8 x i32> <i32 0, i32 0, i32 1, i32 1, i32 2, i32 2, i32 3, i32 3>
+  %tmp4 = shufflevector <8 x i32> %tmp1, <8 x i32> undef, <8 x i32> <i32 4, i32 4, i32 5, i32 5, i32 6, i32 6, i32 7, i32 7>
+  %tmp5 = add <8 x i32> %tmp3, %tmp4
+  store <8 x i32> %tmp5, <8 x i32>* %a
+  ret void
+}
+
+define void @uzp_v32i8(<32 x i8>* %a, <32 x i8>* %b) #0 {
+; VBITS_EQ_256-LABEL: uzp_v32i8:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.b
+; VBITS_EQ_256-NEXT:    ld1b { z0.b }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1b { z1.b }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    uzp1 z2.b, z0.b, z1.b
+; VBITS_EQ_256-NEXT:    uzp2 z0.b, z0.b, z1.b
+; VBITS_EQ_256-NEXT:    add z0.b, p0/m, z0.b, z2.b
+; VBITS_EQ_256-NEXT:    st1b { z0.b }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: uzp_v32i8:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.b, vl32
+; VBITS_EQ_512-NEXT:    ld1b { z0.b }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1b { z1.b }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    uzp1 z2.b, z0.b, z1.b
+; VBITS_EQ_512-NEXT:    uzp2 z0.b, z0.b, z1.b
+; VBITS_EQ_512-NEXT:    add z0.b, p0/m, z0.b, z2.b
+; VBITS_EQ_512-NEXT:    st1b { z0.b }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <32 x i8>, <32 x i8>* %a
+  %tmp2 = load <32 x i8>, <32 x i8>* %b
+  %tmp3 = shufflevector <32 x i8> %tmp1, <32 x i8> %tmp2, <32 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30, i32 32, i32 34, i32 36, i32 38, i32 40, i32 42, i32 44, i32 46, i32 48, i32 50, i32 52, i32 54, i32 56, i32 58, i32 60, i32 62>
+  %tmp4 = shufflevector <32 x i8> %tmp1, <32 x i8> %tmp2, <32 x i32> <i32 1, i32 3, i32 5, i32 undef, i32 9, i32 11, i32 13, i32 undef, i32 undef, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31, i32 33, i32 35, i32 37, i32 39, i32 41, i32 43, i32 45, i32 47, i32 49, i32 51, i32 53, i32 55, i32 57, i32 59, i32 61, i32 63>
+  %tmp5 = add <32 x i8> %tmp3, %tmp4
+  store <32 x i8> %tmp5, <32 x i8>* %a
+  ret void
+}
+
+define void @uzp_v32i16(<32 x i16>* %a, <32 x i16>* %b) #0 {
+; VBITS_EQ_256-LABEL: uzp_v32i16:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    mov x8, #16
+; VBITS_EQ_256-NEXT:    ptrue p0.h
+; VBITS_EQ_256-NEXT:    ld1h { z0.h }, p0/z, [x0, x8, lsl #1]
+; VBITS_EQ_256-NEXT:    ld1h { z1.h }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1h { z2.h }, p0/z, [x1, x8, lsl #1]
+; VBITS_EQ_256-NEXT:    ld1h { z3.h }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    uzp1 z5.h, z1.h, z0.h
+; VBITS_EQ_256-NEXT:    uzp2 z0.h, z1.h, z0.h
+; VBITS_EQ_256-NEXT:    add z0.h, p0/m, z0.h, z5.h
+; VBITS_EQ_256-NEXT:    uzp1 z4.h, z3.h, z2.h
+; VBITS_EQ_256-NEXT:    uzp2 z2.h, z3.h, z2.h
+; VBITS_EQ_256-NEXT:    movprfx z1, z4
+; VBITS_EQ_256-NEXT:    add z1.h, p0/m, z1.h, z2.h
+; VBITS_EQ_256-NEXT:    st1h { z1.h }, p0, [x0, x8, lsl #1]
+; VBITS_EQ_256-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: uzp_v32i16:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.h
+; VBITS_EQ_512-NEXT:    ld1h { z0.h }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1h { z1.h }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    uzp1 z2.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    uzp2 z0.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    add z0.h, p0/m, z0.h, z2.h
+; VBITS_EQ_512-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <32 x i16>, <32 x i16>* %a
+  %tmp2 = load <32 x i16>, <32 x i16>* %b
+  %tmp3 = shufflevector <32 x i16> %tmp1, <32 x i16> %tmp2, <32 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30, i32 32, i32 34, i32 36, i32 38, i32 40, i32 42, i32 44, i32 46, i32 48, i32 50, i32 52, i32 54, i32 56, i32 58, i32 60, i32 62>
+  %tmp4 = shufflevector <32 x i16> %tmp1, <32 x i16> %tmp2, <32 x i32> <i32 1, i32 3, i32 5, i32 undef, i32 9, i32 11, i32 13, i32 undef, i32 undef, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31, i32 33, i32 35, i32 37, i32 39, i32 41, i32 43, i32 45, i32 47, i32 49, i32 51, i32 53, i32 55, i32 57, i32 59, i32 61, i32 63>
+  %tmp5 = add <32 x i16> %tmp3, %tmp4
+  store <32 x i16> %tmp5, <32 x i16>* %a
+  ret void
+}
+
+define void @uzp_v16i16(<16 x i16>* %a, <16 x i16>* %b) #0 {
+; VBITS_EQ_256-LABEL: uzp_v16i16:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.h
+; VBITS_EQ_256-NEXT:    ld1h { z0.h }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1h { z1.h }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    uzp1 z2.h, z0.h, z1.h
+; VBITS_EQ_256-NEXT:    uzp2 z0.h, z0.h, z1.h
+; VBITS_EQ_256-NEXT:    add z0.h, p0/m, z0.h, z2.h
+; VBITS_EQ_256-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: uzp_v16i16:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.h, vl16
+; VBITS_EQ_512-NEXT:    ld1h { z0.h }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1h { z1.h }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    uzp1 z2.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    uzp2 z0.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    add z0.h, p0/m, z0.h, z2.h
+; VBITS_EQ_512-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <16 x i16>, <16 x i16>* %a
+  %tmp2 = load <16 x i16>, <16 x i16>* %b
+  %tmp3 = shufflevector <16 x i16> %tmp1, <16 x i16> %tmp2, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
+  %tmp4 = shufflevector <16 x i16> %tmp1, <16 x i16> %tmp2, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
+  %tmp5 = add <16 x i16> %tmp3, %tmp4
+  store <16 x i16> %tmp5, <16 x i16>* %a
+  ret void
+}
+
+define void @uzp_v8f32(<8 x float>* %a, <8 x float>* %b) #0 {
+; VBITS_EQ_256-LABEL: uzp_v8f32:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.s
+; VBITS_EQ_256-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1w { z1.s }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    uzp1 z2.s, z0.s, z1.s
+; VBITS_EQ_256-NEXT:    uzp2 z0.s, z0.s, z1.s
+; VBITS_EQ_256-NEXT:    fadd z0.s, z2.s, z0.s
+; VBITS_EQ_256-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: uzp_v8f32:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.s, vl8
+; VBITS_EQ_512-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1w { z1.s }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    uzp1 z2.s, z0.s, z1.s
+; VBITS_EQ_512-NEXT:    uzp2 z0.s, z0.s, z1.s
+; VBITS_EQ_512-NEXT:    fadd z0.s, p0/m, z0.s, z2.s
+; VBITS_EQ_512-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <8 x float>, <8 x float>* %a
+  %tmp2 = load <8 x float>, <8 x float>* %b
+  %tmp3 = shufflevector <8 x float> %tmp1, <8 x float> %tmp2, <8 x i32> <i32 0, i32 undef, i32 4, i32 6, i32 undef, i32 10, i32 12, i32 14>
+  %tmp4 = shufflevector <8 x float> %tmp1, <8 x float> %tmp2, <8 x i32> <i32 1, i32 undef, i32 5, i32 7, i32 9, i32 11, i32 undef, i32 undef>
+  %tmp5 = fadd <8 x float> %tmp3, %tmp4
+  store <8 x float> %tmp5, <8 x float>* %a
+  ret void
+}
+
+define void @uzp_v4i64(<4 x i64>* %a, <4 x i64>* %b) #0 {
+; VBITS_EQ_256-LABEL: uzp_v4i64:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.d
+; VBITS_EQ_256-NEXT:    ld1d { z0.d }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    uzp1 z2.d, z0.d, z1.d
+; VBITS_EQ_256-NEXT:    uzp2 z0.d, z0.d, z1.d
+; VBITS_EQ_256-NEXT:    add z0.d, p0/m, z0.d, z2.d
+; VBITS_EQ_256-NEXT:    st1d { z0.d }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: uzp_v4i64:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.d, vl4
+; VBITS_EQ_512-NEXT:    ld1d { z0.d }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    uzp1 z2.d, z0.d, z1.d
+; VBITS_EQ_512-NEXT:    uzp2 z0.d, z0.d, z1.d
+; VBITS_EQ_512-NEXT:    add z0.d, p0/m, z0.d, z2.d
+; VBITS_EQ_512-NEXT:    st1d { z0.d }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <4 x i64>, <4 x i64>* %a
+  %tmp2 = load <4 x i64>, <4 x i64>* %b
+  %tmp3 = shufflevector <4 x i64> %tmp1, <4 x i64> %tmp2, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %tmp4 = shufflevector <4 x i64> %tmp1, <4 x i64> %tmp2, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %tmp5 = add <4 x i64> %tmp3, %tmp4
+  store <4 x i64> %tmp5, <4 x i64>* %a
+  ret void
+}
+
+; Don't use SVE for 128-bit vectors
+define void @uzp_v8i16(<8 x i16>* %a, <8 x i16>* %b) #0 {
+; CHECK-LABEL: uzp_v8i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    ldr q1, [x1]
+; CHECK-NEXT:    uzp1 v2.8h, v0.8h, v1.8h
+; CHECK-NEXT:    uzp2 v0.8h, v0.8h, v1.8h
+; CHECK-NEXT:    add v0.8h, v2.8h, v0.8h
+; CHECK-NEXT:    str q0, [x0]
+; CHECK-NEXT:    ret
+  %tmp1 = load <8 x i16>, <8 x i16>* %a
+  %tmp2 = load <8 x i16>, <8 x i16>* %b
+  %tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %tmp4 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %tmp5 = add <8 x i16> %tmp3, %tmp4
+  store <8 x i16> %tmp5, <8 x i16>* %a
+  ret void
+}
+
+define void @uzp_v8i32_undef(<8 x i32>* %a) #0 {
+; VBITS_EQ_256-LABEL: uzp_v8i32_undef:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.s
+; VBITS_EQ_256-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    uzp1 z1.s, z0.s, z0.s
+; VBITS_EQ_256-NEXT:    uzp2 z0.s, z0.s, z0.s
+; VBITS_EQ_256-NEXT:    add z0.s, p0/m, z0.s, z1.s
+; VBITS_EQ_256-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: uzp_v8i32_undef:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.s, vl8
+; VBITS_EQ_512-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    uzp1 z1.s, z0.s, z0.s
+; VBITS_EQ_512-NEXT:    uzp2 z0.s, z0.s, z0.s
+; VBITS_EQ_512-NEXT:    add z0.s, p0/m, z0.s, z1.s
+; VBITS_EQ_512-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <8 x i32>, <8 x i32>* %a
+  %tmp3 = shufflevector <8 x i32> %tmp1, <8 x i32> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 0, i32 2, i32 4, i32 6>
+  %tmp4 = shufflevector <8 x i32> %tmp1, <8 x i32> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 1, i32 3, i32 5, i32 7>
+  %tmp5 = add <8 x i32> %tmp3, %tmp4
+  store <8 x i32> %tmp5, <8 x i32>* %a
+  ret void
+}
+
+define void @trn_v32i8(<32 x i8>* %a, <32 x i8>* %b) #0 {
+; VBITS_EQ_256-LABEL: trn_v32i8:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.b
+; VBITS_EQ_256-NEXT:    ld1b { z0.b }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1b { z1.b }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    trn1 z2.b, z0.b, z1.b
+; VBITS_EQ_256-NEXT:    trn2 z0.b, z0.b, z1.b
+; VBITS_EQ_256-NEXT:    add z0.b, p0/m, z0.b, z2.b
+; VBITS_EQ_256-NEXT:    st1b { z0.b }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: trn_v32i8:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.b, vl32
+; VBITS_EQ_512-NEXT:    ld1b { z0.b }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1b { z1.b }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    trn1 z2.b, z0.b, z1.b
+; VBITS_EQ_512-NEXT:    trn2 z0.b, z0.b, z1.b
+; VBITS_EQ_512-NEXT:    add z0.b, p0/m, z0.b, z2.b
+; VBITS_EQ_512-NEXT:    st1b { z0.b }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <32 x i8>, <32 x i8>* %a
+  %tmp2 = load <32 x i8>, <32 x i8>* %b
+  %tmp3 = shufflevector <32 x i8> %tmp1, <32 x i8> %tmp2, <32 x i32> <i32 0, i32 32, i32 2, i32 34, i32 4, i32 36, i32 6, i32 38, i32 8, i32 40, i32 10, i32 42, i32 12, i32 44, i32 14, i32 46, i32 16, i32 48, i32 18, i32 50, i32 20, i32 52, i32 22, i32 54, i32 24, i32 56, i32 26, i32 58, i32 28, i32 60, i32 30, i32 62>
+  %tmp4 = shufflevector <32 x i8> %tmp1, <32 x i8> %tmp2, <32 x i32> <i32 1, i32 33, i32 3, i32 35, i32 undef, i32 37, i32 7, i32 undef, i32 undef, i32 41, i32 11, i32 43, i32 13, i32 45, i32 15, i32 47, i32 17, i32 49, i32 19, i32 51, i32 21, i32 53, i32 23, i32 55, i32 25, i32 57, i32 27, i32 59, i32 29, i32 61, i32 31, i32 63>
+  %tmp5 = add <32 x i8> %tmp3, %tmp4
+  store <32 x i8> %tmp5, <32 x i8>* %a
+  ret void
+}
+
+define void @trn_v32i16(<32 x i16>* %a, <32 x i16>* %b) #0 {
+; VBITS_EQ_256-LABEL: trn_v32i16:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    mov x8, #16
+; VBITS_EQ_256-NEXT:    ptrue p0.h
+; VBITS_EQ_256-NEXT:    ld1h { z0.h }, p0/z, [x0, x8, lsl #1]
+; VBITS_EQ_256-NEXT:    ld1h { z1.h }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1h { z2.h }, p0/z, [x1, x8, lsl #1]
+; VBITS_EQ_256-NEXT:    ld1h { z3.h }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    trn1 z4.h, z0.h, z2.h
+; VBITS_EQ_256-NEXT:    trn1 z5.h, z1.h, z3.h
+; VBITS_EQ_256-NEXT:    trn2 z0.h, z0.h, z2.h
+; VBITS_EQ_256-NEXT:    trn2 z1.h, z1.h, z3.h
+; VBITS_EQ_256-NEXT:    add z0.h, p0/m, z0.h, z4.h
+; VBITS_EQ_256-NEXT:    add z1.h, p0/m, z1.h, z5.h
+; VBITS_EQ_256-NEXT:    st1h { z0.h }, p0, [x0, x8, lsl #1]
+; VBITS_EQ_256-NEXT:    st1h { z1.h }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: trn_v32i16:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.h
+; VBITS_EQ_512-NEXT:    ld1h { z0.h }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1h { z1.h }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    trn1 z2.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    trn2 z0.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    add z0.h, p0/m, z0.h, z2.h
+; VBITS_EQ_512-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <32 x i16>, <32 x i16>* %a
+  %tmp2 = load <32 x i16>, <32 x i16>* %b
+  %tmp3 = shufflevector <32 x i16> %tmp1, <32 x i16> %tmp2, <32 x i32> <i32 0, i32 32, i32 2, i32 34, i32 4, i32 36, i32 6, i32 38, i32 8, i32 40, i32 10, i32 42, i32 12, i32 44, i32 14, i32 46, i32 16, i32 48, i32 18, i32 50, i32 20, i32 52, i32 22, i32 54, i32 24, i32 56, i32 26, i32 58, i32 28, i32 60, i32 30, i32 62>
+  %tmp4 = shufflevector <32 x i16> %tmp1, <32 x i16> %tmp2, <32 x i32> <i32 1, i32 33, i32 3, i32 35, i32 undef, i32 37, i32 7, i32 undef, i32 undef, i32 41, i32 11, i32 43, i32 13, i32 45, i32 15, i32 47, i32 17, i32 49, i32 19, i32 51, i32 21, i32 53, i32 23, i32 55, i32 25, i32 57, i32 27, i32 59, i32 29, i32 61, i32 31, i32 63>
+  %tmp5 = add <32 x i16> %tmp3, %tmp4
+  store <32 x i16> %tmp5, <32 x i16>* %a
+  ret void
+}
+
+define void @trn_v16i16(<16 x i16>* %a, <16 x i16>* %b) #0 {
+; VBITS_EQ_256-LABEL: trn_v16i16:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.h
+; VBITS_EQ_256-NEXT:    ld1h { z0.h }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1h { z1.h }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    trn1 z2.h, z0.h, z1.h
+; VBITS_EQ_256-NEXT:    trn2 z0.h, z0.h, z1.h
+; VBITS_EQ_256-NEXT:    add z0.h, p0/m, z0.h, z2.h
+; VBITS_EQ_256-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: trn_v16i16:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.h, vl16
+; VBITS_EQ_512-NEXT:    ld1h { z0.h }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1h { z1.h }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    trn1 z2.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    trn2 z0.h, z0.h, z1.h
+; VBITS_EQ_512-NEXT:    add z0.h, p0/m, z0.h, z2.h
+; VBITS_EQ_512-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <16 x i16>, <16 x i16>* %a
+  %tmp2 = load <16 x i16>, <16 x i16>* %b
+  %tmp3 = shufflevector <16 x i16> %tmp1, <16 x i16> %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>
+  %tmp4 = shufflevector <16 x i16> %tmp1, <16 x i16> %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>
+  %tmp5 = add <16 x i16> %tmp3, %tmp4
+  store <16 x i16> %tmp5, <16 x i16>* %a
+  ret void
+}
+
+define void @trn_v8i32(<8 x i32>* %a, <8 x i32>* %b) #0 {
+; VBITS_EQ_256-LABEL: trn_v8i32:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.s
+; VBITS_EQ_256-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1w { z1.s }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    trn1 z2.s, z0.s, z1.s
+; VBITS_EQ_256-NEXT:    trn2 z0.s, z0.s, z1.s
+; VBITS_EQ_256-NEXT:    add z0.s, p0/m, z0.s, z2.s
+; VBITS_EQ_256-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: trn_v8i32:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.s, vl8
+; VBITS_EQ_512-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1w { z1.s }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    trn1 z2.s, z0.s, z1.s
+; VBITS_EQ_512-NEXT:    trn2 z0.s, z0.s, z1.s
+; VBITS_EQ_512-NEXT:    add z0.s, p0/m, z0.s, z2.s
+; VBITS_EQ_512-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <8 x i32>, <8 x i32>* %a
+  %tmp2 = load <8 x i32>, <8 x i32>* %b
+  %tmp3 = shufflevector <8 x i32> %tmp1, <8 x i32> %tmp2, <8 x i32> <i32 0, i32 8, i32 undef, i32 undef, i32 4, i32 12, i32 6, i32 14>
+  %tmp4 = shufflevector <8 x i32> %tmp1, <8 x i32> %tmp2, <8 x i32> <i32 1, i32 undef, i32 3, i32 11, i32 5, i32 13, i32 undef, i32 undef>
+  %tmp5 = add <8 x i32> %tmp3, %tmp4
+  store <8 x i32> %tmp5, <8 x i32>* %a
+  ret void
+}
+
+define void @trn_v4f64(<4 x double>* %a, <4 x double>* %b) #0 {
+; VBITS_EQ_256-LABEL: trn_v4f64:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.d
+; VBITS_EQ_256-NEXT:    ld1d { z0.d }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    trn1 z2.d, z0.d, z1.d
+; VBITS_EQ_256-NEXT:    trn2 z0.d, z0.d, z1.d
+; VBITS_EQ_256-NEXT:    fadd z0.d, z2.d, z0.d
+; VBITS_EQ_256-NEXT:    st1d { z0.d }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: trn_v4f64:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.d, vl4
+; VBITS_EQ_512-NEXT:    ld1d { z0.d }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_512-NEXT:    trn1 z2.d, z0.d, z1.d
+; VBITS_EQ_512-NEXT:    trn2 z0.d, z0.d, z1.d
+; VBITS_EQ_512-NEXT:    fadd z0.d, p0/m, z0.d, z2.d
+; VBITS_EQ_512-NEXT:    st1d { z0.d }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <4 x double>, <4 x double>* %a
+  %tmp2 = load <4 x double>, <4 x double>* %b
+  %tmp3 = shufflevector <4 x double> %tmp1, <4 x double> %tmp2, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
+  %tmp4 = shufflevector <4 x double> %tmp1, <4 x double> %tmp2, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
+  %tmp5 = fadd <4 x double> %tmp3, %tmp4
+  store <4 x double> %tmp5, <4 x double>* %a
+  ret void
+}
+
+; Don't use SVE for 128-bit vectors
+define void @trn_v4f32(<4 x float>* %a, <4 x float>* %b) nounwind {
+; CHECK-LABEL: trn_v4f32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    ldr q1, [x1]
+; CHECK-NEXT:    trn1 v2.4s, v0.4s, v1.4s
+; CHECK-NEXT:    trn2 v0.4s, v0.4s, v1.4s
+; CHECK-NEXT:    fadd v0.4s, v2.4s, v0.4s
+; CHECK-NEXT:    str q0, [x0]
+; CHECK-NEXT:    ret
+  %tmp1 = load <4 x float>, <4 x float>* %a
+  %tmp2 = load <4 x float>, <4 x float>* %b
+  %tmp3 = shufflevector <4 x float> %tmp1, <4 x float> %tmp2, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
+  %tmp4 = shufflevector <4 x float> %tmp1, <4 x float> %tmp2, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
+  %tmp5 = fadd <4 x float> %tmp3, %tmp4
+  store <4 x float> %tmp5, <4 x float>* %a
+  ret void
+}
+
+define void @trn_v8i32_undef(<8 x i32>* %a) #0 {
+; VBITS_EQ_256-LABEL: trn_v8i32_undef:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    ptrue p0.s
+; VBITS_EQ_256-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; VBITS_EQ_256-NEXT:    trn1 z1.s, z0.s, z0.s
+; VBITS_EQ_256-NEXT:    trn2 z0.s, z0.s, z0.s
+; VBITS_EQ_256-NEXT:    add z0.s, p0/m, z0.s, z1.s
+; VBITS_EQ_256-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_EQ_512-LABEL: trn_v8i32_undef:
+; VBITS_EQ_512:       // %bb.0:
+; VBITS_EQ_512-NEXT:    ptrue p0.s, vl8
+; VBITS_EQ_512-NEXT:    ld1w { z0.s }, p0/z, [x0]
+; VBITS_EQ_512-NEXT:    trn1 z1.s, z0.s, z0.s
+; VBITS_EQ_512-NEXT:    trn2 z0.s, z0.s, z0.s
+; VBITS_EQ_512-NEXT:    add z0.s, p0/m, z0.s, z1.s
+; VBITS_EQ_512-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_EQ_512-NEXT:    ret
+  %tmp1 = load <8 x i32>, <8 x i32>* %a
+  %tmp3 = shufflevector <8 x i32> %tmp1, <8 x i32> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
+  %tmp4 = shufflevector <8 x i32> %tmp1, <8 x i32> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7>
+  %tmp5 = add <8 x i32> %tmp3, %tmp4
+  store <8 x i32> %tmp5, <8 x i32>* %a
+  ret void
+}
+
+define void @zip_vscale2_4(<4 x double>* %a, <4 x double>* %b) #2 {
+; CHECK-LABEL: zip_vscale2_4:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    stp x29, x30, [sp, #-16]! // 16-byte Folded Spill
+; CHECK-NEXT:    sub x9, sp, #48
+; CHECK-NEXT:    mov x29, sp
+; CHECK-NEXT:    and sp, x9, #0xffffffffffffffe0
+; CHECK-NEXT:    .cfi_def_cfa w29, 16
+; CHECK-NEXT:    .cfi_offset w30, -8
+; CHECK-NEXT:    .cfi_offset w29, -16
+; CHECK-NEXT:    ptrue p0.d, vl4
+; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x0]
+; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; CHECK-NEXT:    mov z2.d, z1.d[3]
+; CHECK-NEXT:    mov z3.d, z0.d[3]
+; CHECK-NEXT:    stp d3, d2, [sp, #16]
+; CHECK-NEXT:    mov z2.d, z1.d[2]
+; CHECK-NEXT:    mov z3.d, z0.d[2]
+; CHECK-NEXT:    zip1 z0.d, z0.d, z1.d
+; CHECK-NEXT:    stp d3, d2, [sp]
+; CHECK-NEXT:    ld1d { z2.d }, p0/z, [sp]
+; CHECK-NEXT:    fadd z0.d, p0/m, z0.d, z2.d
+; CHECK-NEXT:    st1d { z0.d }, p0, [x0]
+; CHECK-NEXT:    mov sp, x29
+; CHECK-NEXT:    ldp x29, x30, [sp], #16 // 16-byte Folded Reload
+; CHECK-NEXT:    ret
+  %tmp1 = load <4 x double>, <4 x double>* %a
+  %tmp2 = load <4 x double>, <4 x double>* %b
+  %tmp3 = shufflevector <4 x double> %tmp1, <4 x double> %tmp2, <4 x i32> <i32 0, i32 4, i32 1, i32 5>
+  %tmp4 = shufflevector <4 x double> %tmp1, <4 x double> %tmp2, <4 x i32> <i32 2, i32 6, i32 3, i32 7>
+  %tmp5 = fadd <4 x double> %tmp3, %tmp4
+  store <4 x double> %tmp5, <4 x double>* %a
+  ret void
+}
+
+attributes #0 = { "target-features"="+sve" }
+attributes #1 = { "target-features"="+sve" vscale_range(2,2) }
+attributes #2 = { "target-features"="+sve" vscale_range(2,4) }