diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -1622,6 +1622,7 @@
   setOperationAction(ISD::MULHU, VT, Custom);
   setOperationAction(ISD::ABS, VT, Custom);
   setOperationAction(ISD::XOR, VT, Custom);
+  setOperationAction(ISD::CTLZ, VT, Custom);
 }
 
 void AArch64TargetLowering::addTypeForFixedLengthSVE(MVT VT) {
@@ -8416,7 +8417,7 @@
 
   assert(!IsParity && "ISD::PARITY of vector types not supported");
 
-  if (VT.isScalableVector() || useSVEForFixedLengthVectorVT(VT))
+  if (VT.isScalableVector() || useSVEForFixedLengthVectorVT(VT, Subtarget->forceStreamingCompatibleSVE()))
     return LowerToPredicatedOp(Op, DAG, AArch64ISD::CTPOP_MERGE_PASSTHRU);
 
   assert((VT == MVT::v1i64 || VT == MVT::v2i64 || VT == MVT::v2i32 ||
@@ -12204,7 +12205,7 @@
                                                       SelectionDAG &DAG) const {
   assert(Op.getOpcode() == ISD::INSERT_VECTOR_ELT && "Unknown opcode!");
 
-  if (useSVEForFixedLengthVectorVT(Op.getValueType()))
+  if (useSVEForFixedLengthVectorVT(Op.getValueType(), Subtarget->forceStreamingCompatibleSVE()))
     return LowerFixedLengthInsertVectorElt(Op, DAG);
 
   // Check for non-constant or out of range lane.
@@ -12791,7 +12792,7 @@
   if (Op.getValueType().isScalableVector())
     return LowerToPredicatedOp(Op, DAG, AArch64ISD::SETCC_MERGE_ZERO);
 
-  if (useSVEForFixedLengthVectorVT(Op.getOperand(0).getValueType()))
+  if (useSVEForFixedLengthVectorVT(Op.getOperand(0).getValueType(), Subtarget->forceStreamingCompatibleSVE()))
     return LowerFixedLengthVectorSetccToSVE(Op, DAG);
 
   ISD::CondCode CC = cast<CondCodeSDNode>(Op.getOperand(2))->get();
@@ -15525,7 +15526,8 @@
 
   // The combining code currently only works for NEON vectors. In particular,
   // it does not work for SVE when dealing with vectors wider than 128 bits.
-  if (!VT.is64BitVector() && !VT.is128BitVector())
+  if ((!VT.is64BitVector() && !VT.is128BitVector()) ||
+    DAG.getSubtarget<AArch64Subtarget>().forceStreamingCompatibleSVE())
     return SDValue();
 
   SDValue N0 = N->getOperand(0);
@@ -22628,7 +22630,7 @@
   EVT InVT = Op.getOperand(0).getValueType();
   EVT ContainerVT = getContainerForFixedLengthVector(DAG, InVT);
 
-  assert(useSVEForFixedLengthVectorVT(InVT) &&
+  assert(useSVEForFixedLengthVectorVT(InVT, Subtarget->forceStreamingCompatibleSVE()) &&
          "Only expected to lower fixed length vector operation!");
   assert(Op.getValueType() == InVT.changeTypeToInteger() &&
          "Expected integer result of the same bit length as the inputs!");
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
@@ -3655,7 +3655,11 @@
 
   if (AArch64::FPR128RegClass.contains(DestReg) &&
       AArch64::FPR128RegClass.contains(SrcReg)) {
-    if (Subtarget.hasNEON()) {
+    if (Subtarget.forceStreamingCompatibleSVE()) {
+      BuildMI(MBB, I, DL, get(AArch64::ORR_ZZZ), DestReg)
+          .addReg(AArch64::Z0 + (SrcReg - AArch64::Q0), RegState::Define)
+          .addReg(AArch64::Z0 + (DestReg - AArch64::Q0), RegState::Define);
+    } else if (Subtarget.hasNEON()) {
       BuildMI(MBB, I, DL, get(AArch64::ORRv16i8), DestReg)
           .addReg(SrcReg)
           .addReg(SrcReg, getKillRegState(KillSrc));
diff --git a/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-bit-counting.ll b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-bit-counting.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-bit-counting.ll
@@ -0,0 +1,638 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -force-streaming-compatible-sve  < %s | FileCheck %s
+
+target triple = "aarch64-unknown-linux-gnu"
+
+;
+; CLZ
+;
+
+define <4 x i8> @ctlz_v4i8(<4 x i8> %op) #0 {
+; CHECK-LABEL: ctlz_v4i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    adrp x8, .LCPI0_0
+; CHECK-NEXT:    adrp x9, .LCPI0_1
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.h, vl4
+; CHECK-NEXT:    ldr d1, [x8, :lo12:.LCPI0_0]
+; CHECK-NEXT:    ldr d2, [x9, :lo12:.LCPI0_1]
+; CHECK-NEXT:    and z0.d, z0.d, z1.d
+; CHECK-NEXT:    clz z0.h, p0/m, z0.h
+; CHECK-NEXT:    sub z0.h, z0.h, z2.h
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <4 x i8> @llvm.ctlz.v4i8(<4 x i8> %op)
+  ret <4 x i8> %res
+}
+
+define <8 x i8> @ctlz_v8i8(<8 x i8> %op) #0 {
+; CHECK-LABEL: ctlz_v8i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.b, vl8
+; CHECK-NEXT:    clz z0.b, p0/m, z0.b
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <8 x i8> @llvm.ctlz.v8i8(<8 x i8> %op)
+  ret <8 x i8> %res
+}
+
+define <16 x i8> @ctlz_v16i8(<16 x i8> %op) #0 {
+; CHECK-LABEL: ctlz_v16i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.b, vl16
+; CHECK-NEXT:    clz z0.b, p0/m, z0.b
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %op)
+  ret <16 x i8> %res
+}
+
+define void @ctlz_v32i8(<32 x i8>* %a) #0 {
+; CHECK-LABEL: ctlz_v32i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.b, vl16
+; CHECK-NEXT:    clz z0.b, p0/m, z0.b
+; CHECK-NEXT:    clz z1.b, p0/m, z1.b
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <32 x i8>, <32 x i8>* %a
+  %res = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> %op)
+  store <32 x i8> %res, <32 x i8>* %a
+  ret void
+}
+
+define <2 x i16> @ctlz_v2i16(<2 x i16> %op) #0 {
+; CHECK-LABEL: ctlz_v2i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    adrp x8, .LCPI4_0
+; CHECK-NEXT:    adrp x9, .LCPI4_1
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.s, vl2
+; CHECK-NEXT:    ldr d1, [x8, :lo12:.LCPI4_0]
+; CHECK-NEXT:    ldr d2, [x9, :lo12:.LCPI4_1]
+; CHECK-NEXT:    and z0.d, z0.d, z1.d
+; CHECK-NEXT:    clz z0.s, p0/m, z0.s
+; CHECK-NEXT:    sub z0.s, z0.s, z2.s
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <2 x i16> @llvm.ctlz.v2i16(<2 x i16> %op)
+  ret <2 x i16> %res
+}
+
+define <4 x i16> @ctlz_v4i16(<4 x i16> %op) #0 {
+; CHECK-LABEL: ctlz_v4i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.h, vl4
+; CHECK-NEXT:    clz z0.h, p0/m, z0.h
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <4 x i16> @llvm.ctlz.v4i16(<4 x i16> %op)
+  ret <4 x i16> %res
+}
+
+define <8 x i16> @ctlz_v8i16(<8 x i16> %op) #0 {
+; CHECK-LABEL: ctlz_v8i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.h, vl8
+; CHECK-NEXT:    clz z0.h, p0/m, z0.h
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <8 x i16> @llvm.ctlz.v8i16(<8 x i16> %op)
+  ret <8 x i16> %res
+}
+
+define void @ctlz_v16i16(<16 x i16>* %a) #0 {
+; CHECK-LABEL: ctlz_v16i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.h, vl8
+; CHECK-NEXT:    clz z0.h, p0/m, z0.h
+; CHECK-NEXT:    clz z1.h, p0/m, z1.h
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <16 x i16>, <16 x i16>* %a
+  %res = call <16 x i16> @llvm.ctlz.v16i16(<16 x i16> %op)
+  store <16 x i16> %res, <16 x i16>* %a
+  ret void
+}
+
+define <2 x i32> @ctlz_v2i32(<2 x i32> %op) #0 {
+; CHECK-LABEL: ctlz_v2i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.s, vl2
+; CHECK-NEXT:    clz z0.s, p0/m, z0.s
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %op)
+  ret <2 x i32> %res
+}
+
+define <4 x i32> @ctlz_v4i32(<4 x i32> %op) #0 {
+; CHECK-LABEL: ctlz_v4i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.s, vl4
+; CHECK-NEXT:    clz z0.s, p0/m, z0.s
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %op)
+  ret <4 x i32> %res
+}
+
+define void @ctlz_v8i32(<8 x i32>* %a) #0 {
+; CHECK-LABEL: ctlz_v8i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.s, vl4
+; CHECK-NEXT:    clz z0.s, p0/m, z0.s
+; CHECK-NEXT:    clz z1.s, p0/m, z1.s
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <8 x i32>, <8 x i32>* %a
+  %res = call <8 x i32> @llvm.ctlz.v8i32(<8 x i32> %op)
+  store <8 x i32> %res, <8 x i32>* %a
+  ret void
+}
+
+define <1 x i64> @ctlz_v1i64(<1 x i64> %op) #0 {
+; CHECK-LABEL: ctlz_v1i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.d, vl1
+; CHECK-NEXT:    clz z0.d, p0/m, z0.d
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <1 x i64> @llvm.ctlz.v1i64(<1 x i64> %op)
+  ret <1 x i64> %res
+}
+
+define <2 x i64> @ctlz_v2i64(<2 x i64> %op) #0 {
+; CHECK-LABEL: ctlz_v2i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    clz z0.d, p0/m, z0.d
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %op)
+  ret <2 x i64> %res
+}
+
+define void @ctlz_v4i64(<4 x i64>* %a) #0 {
+; CHECK-LABEL: ctlz_v4i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    clz z0.d, p0/m, z0.d
+; CHECK-NEXT:    clz z1.d, p0/m, z1.d
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <4 x i64>, <4 x i64>* %a
+  %res = call <4 x i64> @llvm.ctlz.v4i64(<4 x i64> %op)
+  store <4 x i64> %res, <4 x i64>* %a
+  ret void
+}
+
+;
+; CNT
+;
+
+define <4 x i8> @ctpop_v4i8(<4 x i8> %op) #0 {
+; CHECK-LABEL: ctpop_v4i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    adrp x8, .LCPI14_0
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.h, vl4
+; CHECK-NEXT:    ldr d1, [x8, :lo12:.LCPI14_0]
+; CHECK-NEXT:    and z0.d, z0.d, z1.d
+; CHECK-NEXT:    cnt z0.h, p0/m, z0.h
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <4 x i8> @llvm.ctpop.v4i8(<4 x i8> %op)
+  ret <4 x i8> %res
+}
+
+define <8 x i8> @ctpop_v8i8(<8 x i8> %op) #0 {
+; CHECK-LABEL: ctpop_v8i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    cnt v0.8b, v0.8b
+; CHECK-NEXT:    ret
+  %res = call <8 x i8> @llvm.ctpop.v8i8(<8 x i8> %op)
+  ret <8 x i8> %res
+}
+
+define <16 x i8> @ctpop_v16i8(<16 x i8> %op) #0 {
+; CHECK-LABEL: ctpop_v16i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    cnt v0.16b, v0.16b
+; CHECK-NEXT:    ret
+  %res = call <16 x i8> @llvm.ctpop.v16i8(<16 x i8> %op)
+  ret <16 x i8> %res
+}
+
+define void @ctpop_v32i8(<32 x i8>* %a) #0 {
+; CHECK-LABEL: ctpop_v32i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    cnt v0.16b, v0.16b
+; CHECK-NEXT:    cnt v1.16b, v1.16b
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <32 x i8>, <32 x i8>* %a
+  %res = call <32 x i8> @llvm.ctpop.v32i8(<32 x i8> %op)
+  store <32 x i8> %res, <32 x i8>* %a
+  ret void
+}
+
+define <2 x i16> @ctpop_v2i16(<2 x i16> %op) #0 {
+; CHECK-LABEL: ctpop_v2i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    adrp x8, .LCPI18_0
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.s, vl2
+; CHECK-NEXT:    ldr d1, [x8, :lo12:.LCPI18_0]
+; CHECK-NEXT:    and z0.d, z0.d, z1.d
+; CHECK-NEXT:    cnt z0.s, p0/m, z0.s
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <2 x i16> @llvm.ctpop.v2i16(<2 x i16> %op)
+  ret <2 x i16> %res
+}
+
+define <4 x i16> @ctpop_v4i16(<4 x i16> %op) #0 {
+; CHECK-LABEL: ctpop_v4i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.h, vl4
+; CHECK-NEXT:    cnt z0.h, p0/m, z0.h
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <4 x i16> @llvm.ctpop.v4i16(<4 x i16> %op)
+  ret <4 x i16> %res
+}
+
+define <8 x i16> @ctpop_v8i16(<8 x i16> %op) #0 {
+; CHECK-LABEL: ctpop_v8i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.h, vl8
+; CHECK-NEXT:    cnt z0.h, p0/m, z0.h
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <8 x i16> @llvm.ctpop.v8i16(<8 x i16> %op)
+  ret <8 x i16> %res
+}
+
+define void @ctpop_v16i16(<16 x i16>* %a) #0 {
+; CHECK-LABEL: ctpop_v16i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.h, vl8
+; CHECK-NEXT:    cnt z0.h, p0/m, z0.h
+; CHECK-NEXT:    cnt z1.h, p0/m, z1.h
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <16 x i16>, <16 x i16>* %a
+  %res = call <16 x i16> @llvm.ctpop.v16i16(<16 x i16> %op)
+  store <16 x i16> %res, <16 x i16>* %a
+  ret void
+}
+
+define <2 x i32> @ctpop_v2i32(<2 x i32> %op) #0 {
+; CHECK-LABEL: ctpop_v2i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.s, vl2
+; CHECK-NEXT:    cnt z0.s, p0/m, z0.s
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %op)
+  ret <2 x i32> %res
+}
+
+define <4 x i32> @ctpop_v4i32(<4 x i32> %op) #0 {
+; CHECK-LABEL: ctpop_v4i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.s, vl4
+; CHECK-NEXT:    cnt z0.s, p0/m, z0.s
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %op)
+  ret <4 x i32> %res
+}
+
+define void @ctpop_v8i32(<8 x i32>* %a) #0 {
+; CHECK-LABEL: ctpop_v8i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.s, vl4
+; CHECK-NEXT:    cnt z0.s, p0/m, z0.s
+; CHECK-NEXT:    cnt z1.s, p0/m, z1.s
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <8 x i32>, <8 x i32>* %a
+  %res = call <8 x i32> @llvm.ctpop.v8i32(<8 x i32> %op)
+  store <8 x i32> %res, <8 x i32>* %a
+  ret void
+}
+
+define <1 x i64> @ctpop_v1i64(<1 x i64> %op) #0 {
+; CHECK-LABEL: ctpop_v1i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.d, vl1
+; CHECK-NEXT:    cnt z0.d, p0/m, z0.d
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <1 x i64> @llvm.ctpop.v1i64(<1 x i64> %op)
+  ret <1 x i64> %res
+}
+
+define <2 x i64> @ctpop_v2i64(<2 x i64> %op) #0 {
+; CHECK-LABEL: ctpop_v2i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    cnt z0.d, p0/m, z0.d
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %op)
+  ret <2 x i64> %res
+}
+
+define void @ctpop_v4i64(<4 x i64>* %a) #0 {
+; CHECK-LABEL: ctpop_v4i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    cnt z0.d, p0/m, z0.d
+; CHECK-NEXT:    cnt z1.d, p0/m, z1.d
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <4 x i64>, <4 x i64>* %a
+  %res = call <4 x i64> @llvm.ctpop.v4i64(<4 x i64> %op)
+  store <4 x i64> %res, <4 x i64>* %a
+  ret void
+}
+
+;
+; Count trailing zeros
+;
+
+define <4 x i8> @cttz_v4i8(<4 x i8> %op) #0 {
+; CHECK-LABEL: cttz_v4i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    adrp x8, .LCPI28_0
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.h, vl4
+; CHECK-NEXT:    ldr d1, [x8, :lo12:.LCPI28_0]
+; CHECK-NEXT:    orr z0.d, z0.d, z1.d
+; CHECK-NEXT:    rbit z0.h, p0/m, z0.h
+; CHECK-NEXT:    clz z0.h, p0/m, z0.h
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <4 x i8> @llvm.cttz.v4i8(<4 x i8> %op)
+  ret <4 x i8> %res
+}
+
+define <8 x i8> @cttz_v8i8(<8 x i8> %op) #0 {
+; CHECK-LABEL: cttz_v8i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.b, vl8
+; CHECK-NEXT:    rbit z0.b, p0/m, z0.b
+; CHECK-NEXT:    clz z0.b, p0/m, z0.b
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <8 x i8> @llvm.cttz.v8i8(<8 x i8> %op)
+  ret <8 x i8> %res
+}
+
+define <16 x i8> @cttz_v16i8(<16 x i8> %op) #0 {
+; CHECK-LABEL: cttz_v16i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.b, vl16
+; CHECK-NEXT:    rbit z0.b, p0/m, z0.b
+; CHECK-NEXT:    clz z0.b, p0/m, z0.b
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> %op)
+  ret <16 x i8> %res
+}
+
+define void @cttz_v32i8(<32 x i8>* %a) #0 {
+; CHECK-LABEL: cttz_v32i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.b, vl16
+; CHECK-NEXT:    rbit z0.b, p0/m, z0.b
+; CHECK-NEXT:    clz z0.b, p0/m, z0.b
+; CHECK-NEXT:    rbit z1.b, p0/m, z1.b
+; CHECK-NEXT:    clz z1.b, p0/m, z1.b
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <32 x i8>, <32 x i8>* %a
+  %res = call <32 x i8> @llvm.cttz.v32i8(<32 x i8> %op)
+  store <32 x i8> %res, <32 x i8>* %a
+  ret void
+}
+
+define <2 x i16> @cttz_v2i16(<2 x i16> %op) #0 {
+; CHECK-LABEL: cttz_v2i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    adrp x8, .LCPI32_0
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.s, vl2
+; CHECK-NEXT:    ldr d1, [x8, :lo12:.LCPI32_0]
+; CHECK-NEXT:    orr z0.d, z0.d, z1.d
+; CHECK-NEXT:    rbit z0.s, p0/m, z0.s
+; CHECK-NEXT:    clz z0.s, p0/m, z0.s
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <2 x i16> @llvm.cttz.v2i16(<2 x i16> %op)
+  ret <2 x i16> %res
+}
+
+define <4 x i16> @cttz_v4i16(<4 x i16> %op) #0 {
+; CHECK-LABEL: cttz_v4i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.h, vl4
+; CHECK-NEXT:    rbit z0.h, p0/m, z0.h
+; CHECK-NEXT:    clz z0.h, p0/m, z0.h
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <4 x i16> @llvm.cttz.v4i16(<4 x i16> %op)
+  ret <4 x i16> %res
+}
+
+define <8 x i16> @cttz_v8i16(<8 x i16> %op) #0 {
+; CHECK-LABEL: cttz_v8i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.h, vl8
+; CHECK-NEXT:    rbit z0.h, p0/m, z0.h
+; CHECK-NEXT:    clz z0.h, p0/m, z0.h
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <8 x i16> @llvm.cttz.v8i16(<8 x i16> %op)
+  ret <8 x i16> %res
+}
+
+define void @cttz_v16i16(<16 x i16>* %a) #0 {
+; CHECK-LABEL: cttz_v16i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.h, vl8
+; CHECK-NEXT:    rbit z0.h, p0/m, z0.h
+; CHECK-NEXT:    clz z0.h, p0/m, z0.h
+; CHECK-NEXT:    rbit z1.h, p0/m, z1.h
+; CHECK-NEXT:    clz z1.h, p0/m, z1.h
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <16 x i16>, <16 x i16>* %a
+  %res = call <16 x i16> @llvm.cttz.v16i16(<16 x i16> %op)
+  store <16 x i16> %res, <16 x i16>* %a
+  ret void
+}
+
+define <2 x i32> @cttz_v2i32(<2 x i32> %op) #0 {
+; CHECK-LABEL: cttz_v2i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.s, vl2
+; CHECK-NEXT:    rbit z0.s, p0/m, z0.s
+; CHECK-NEXT:    clz z0.s, p0/m, z0.s
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %op)
+  ret <2 x i32> %res
+}
+
+define <4 x i32> @cttz_v4i32(<4 x i32> %op) #0 {
+; CHECK-LABEL: cttz_v4i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.s, vl4
+; CHECK-NEXT:    rbit z0.s, p0/m, z0.s
+; CHECK-NEXT:    clz z0.s, p0/m, z0.s
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <4 x i32> @llvm.cttz.v4i32(<4 x i32> %op)
+  ret <4 x i32> %res
+}
+
+define void @cttz_v8i32(<8 x i32>* %a) #0 {
+; CHECK-LABEL: cttz_v8i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.s, vl4
+; CHECK-NEXT:    rbit z0.s, p0/m, z0.s
+; CHECK-NEXT:    clz z0.s, p0/m, z0.s
+; CHECK-NEXT:    rbit z1.s, p0/m, z1.s
+; CHECK-NEXT:    clz z1.s, p0/m, z1.s
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <8 x i32>, <8 x i32>* %a
+  %res = call <8 x i32> @llvm.cttz.v8i32(<8 x i32> %op)
+  store <8 x i32> %res, <8 x i32>* %a
+  ret void
+}
+
+define <1 x i64> @cttz_v1i64(<1 x i64> %op) #0 {
+; CHECK-LABEL: cttz_v1i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    ptrue p0.d, vl1
+; CHECK-NEXT:    rbit z0.d, p0/m, z0.d
+; CHECK-NEXT:    clz z0.d, p0/m, z0.d
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <1 x i64> @llvm.cttz.v1i64(<1 x i64> %op)
+  ret <1 x i64> %res
+}
+
+define <2 x i64> @cttz_v2i64(<2 x i64> %op) #0 {
+; CHECK-LABEL: cttz_v2i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    rbit z0.d, p0/m, z0.d
+; CHECK-NEXT:    clz z0.d, p0/m, z0.d
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+  %res = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %op)
+  ret <2 x i64> %res
+}
+
+define void @cttz_v4i64(<4 x i64>* %a) #0 {
+; CHECK-LABEL: cttz_v4i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    rbit z0.d, p0/m, z0.d
+; CHECK-NEXT:    clz z0.d, p0/m, z0.d
+; CHECK-NEXT:    rbit z1.d, p0/m, z1.d
+; CHECK-NEXT:    clz z1.d, p0/m, z1.d
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op = load <4 x i64>, <4 x i64>* %a
+  %res = call <4 x i64> @llvm.cttz.v4i64(<4 x i64> %op)
+  store <4 x i64> %res, <4 x i64>* %a
+  ret void
+}
+
+attributes #0 = { "target-features"="+sve" }
+
+declare <4 x i8> @llvm.ctlz.v4i8(<4 x i8>)
+declare <8 x i8> @llvm.ctlz.v8i8(<8 x i8>)
+declare <16 x i8> @llvm.ctlz.v16i8(<16 x i8>)
+declare <32 x i8> @llvm.ctlz.v32i8(<32 x i8>)
+declare <2 x i16> @llvm.ctlz.v2i16(<2 x i16>)
+declare <4 x i16> @llvm.ctlz.v4i16(<4 x i16>)
+declare <8 x i16> @llvm.ctlz.v8i16(<8 x i16>)
+declare <16 x i16> @llvm.ctlz.v16i16(<16 x i16>)
+declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>)
+declare <4 x i32> @llvm.ctlz.v4i32(<4 x i32>)
+declare <8 x i32> @llvm.ctlz.v8i32(<8 x i32>)
+declare <1 x i64> @llvm.ctlz.v1i64(<1 x i64>)
+declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>)
+declare <4 x i64> @llvm.ctlz.v4i64(<4 x i64>)
+
+declare <4 x i8> @llvm.ctpop.v4i8(<4 x i8>)
+declare <8 x i8> @llvm.ctpop.v8i8(<8 x i8>)
+declare <16 x i8> @llvm.ctpop.v16i8(<16 x i8>)
+declare <32 x i8> @llvm.ctpop.v32i8(<32 x i8>)
+declare <2 x i16> @llvm.ctpop.v2i16(<2 x i16>)
+declare <4 x i16> @llvm.ctpop.v4i16(<4 x i16>)
+declare <8 x i16> @llvm.ctpop.v8i16(<8 x i16>)
+declare <16 x i16> @llvm.ctpop.v16i16(<16 x i16>)
+declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>)
+declare <4 x i32> @llvm.ctpop.v4i32(<4 x i32>)
+declare <8 x i32> @llvm.ctpop.v8i32(<8 x i32>)
+declare <1 x i64> @llvm.ctpop.v1i64(<1 x i64>)
+declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64>)
+declare <4 x i64> @llvm.ctpop.v4i64(<4 x i64>)
+
+declare <4 x i8> @llvm.cttz.v4i8(<4 x i8>)
+declare <8 x i8> @llvm.cttz.v8i8(<8 x i8>)
+declare <16 x i8> @llvm.cttz.v16i8(<16 x i8>)
+declare <32 x i8> @llvm.cttz.v32i8(<32 x i8>)
+declare <2 x i16> @llvm.cttz.v2i16(<2 x i16>)
+declare <4 x i16> @llvm.cttz.v4i16(<4 x i16>)
+declare <8 x i16> @llvm.cttz.v8i16(<8 x i16>)
+declare <16 x i16> @llvm.cttz.v16i16(<16 x i16>)
+declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>)
+declare <4 x i32> @llvm.cttz.v4i32(<4 x i32>)
+declare <8 x i32> @llvm.cttz.v8i32(<8 x i32>)
+declare <1 x i64> @llvm.cttz.v1i64(<1 x i64>)
+declare <2 x i64> @llvm.cttz.v2i64(<2 x i64>)
+declare <4 x i64> @llvm.cttz.v4i64(<4 x i64>)
diff --git a/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-bitselect.ll b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-bitselect.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-bitselect.ll
@@ -0,0 +1,47 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -force-streaming-compatible-sve  < %s | FileCheck %s
+
+target triple = "aarch64"
+
+;
+; NOTE: SVE lowering for the BSP pseudoinst is not currently implemented, so we
+;       don't currently expect the code below to lower to BSL/BIT/BIF. Once
+;       this is implemented, this test will be fleshed out.
+;
+
+define <8 x i32> @fixed_bitselect_v8i32(<8 x i32>* %pre_cond_ptr, <8 x i32>* %left_ptr, <8 x i32>* %right_ptr) #0 {
+; CHECK-LABEL: fixed_bitselect_v8i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    adrp x8, .LCPI0_0
+; CHECK-NEXT:    ldp q1, q0, [x0]
+; CHECK-NEXT:    ldr q2, [x8, :lo12:.LCPI0_0]
+; CHECK-NEXT:    adrp x8, .LCPI0_1
+; CHECK-NEXT:    ldp q3, q4, [x1]
+; CHECK-NEXT:    sub z6.s, z2.s, z1.s
+; CHECK-NEXT:    sub z2.s, z2.s, z0.s
+; CHECK-NEXT:    and z3.d, z6.d, z3.d
+; CHECK-NEXT:    ldp q7, q16, [x2]
+; CHECK-NEXT:    and z2.d, z2.d, z4.d
+; CHECK-NEXT:    ldr q5, [x8, :lo12:.LCPI0_1]
+; CHECK-NEXT:    add z1.s, z1.s, z5.s
+; CHECK-NEXT:    add z0.s, z0.s, z5.s
+; CHECK-NEXT:    and z4.d, z0.d, z16.d
+; CHECK-NEXT:    and z0.d, z1.d, z7.d
+; CHECK-NEXT:    orr z0.d, z0.d, z3.d
+; CHECK-NEXT:    orr z1.d, z4.d, z2.d
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    // kill: def $q1 killed $q1 killed $z1
+; CHECK-NEXT:    ret
+  %pre_cond = load <8 x i32>, <8 x i32>* %pre_cond_ptr
+  %left = load <8 x i32>, <8 x i32>* %left_ptr
+  %right = load <8 x i32>, <8 x i32>* %right_ptr
+
+  %neg_cond = sub <8 x i32> zeroinitializer, %pre_cond
+  %min_cond = add <8 x i32> %pre_cond, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>
+  %left_bits_0 = and <8 x i32> %neg_cond, %left
+  %right_bits_0 = and <8 x i32> %min_cond, %right
+  %bsl0000 = or <8 x i32> %right_bits_0, %left_bits_0
+  ret <8 x i32> %bsl0000
+}
+
+attributes #0 = { "target-features"="+sve" }
diff --git a/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-insert-vector-elt.ll b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-insert-vector-elt.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-insert-vector-elt.ll
@@ -0,0 +1,414 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -force-streaming-compatible-sve  < %s | FileCheck %s
+
+target triple = "aarch64-unknown-linux-gnu"
+
+;
+; insertelement
+;
+
+; i8
+define <4 x i8> @insertelement_v4i8(<4 x i8> %op1) #0 {
+; CHECK-LABEL: insertelement_v4i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #3
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z2.h, #0, #1
+; CHECK-NEXT:    ptrue p0.h
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    mov z1.h, w8
+; CHECK-NEXT:    cmpeq p0.h, p0/z, z2.h, z1.h
+; CHECK-NEXT:    mov z0.h, p0/m, w9
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <4 x i8> %op1, i8 5, i64 3
+    ret <4 x i8> %r
+}
+
+define <8 x i8> @insertelement_v8i8(<8 x i8> %op1) #0 {
+; CHECK-LABEL: insertelement_v8i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #7
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z2.b, #0, #1
+; CHECK-NEXT:    ptrue p0.b
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    mov z1.b, w8
+; CHECK-NEXT:    cmpeq p0.b, p0/z, z2.b, z1.b
+; CHECK-NEXT:    mov z0.b, p0/m, w9
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <8 x i8> %op1, i8 5, i64 7
+    ret <8 x i8> %r
+}
+
+define <16 x i8> @insertelement_v16i8(<16 x i8> %op1) #0 {
+; CHECK-LABEL: insertelement_v16i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #15
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z2.b, #0, #1
+; CHECK-NEXT:    ptrue p0.b
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    mov z1.b, w8
+; CHECK-NEXT:    cmpeq p0.b, p0/z, z2.b, z1.b
+; CHECK-NEXT:    mov z0.b, p0/m, w9
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <16 x i8> %op1, i8 5, i64 15
+    ret <16 x i8> %r
+}
+
+define <32 x i8> @insertelement_v32i8(<32 x i8> %op1) #0 {
+; CHECK-LABEL: insertelement_v32i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #15
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z3.b, #0, #1
+; CHECK-NEXT:    ptrue p0.b
+; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
+; CHECK-NEXT:    mov z2.b, w8
+; CHECK-NEXT:    cmpeq p0.b, p0/z, z3.b, z2.b
+; CHECK-NEXT:    mov z1.b, p0/m, w9
+; CHECK-NEXT:    // kill: def $q1 killed $q1 killed $z1
+; CHECK-NEXT:    ret
+    %r = insertelement <32 x i8> %op1, i8 5, i64 31
+    ret <32 x i8> %r
+}
+
+; i16
+define <2 x i16> @insertelement_v2i16(<2 x i16> %op1) #0 {
+; CHECK-LABEL: insertelement_v2i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #1
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z2.s, #0, #1
+; CHECK-NEXT:    ptrue p0.s
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    mov z1.s, w8
+; CHECK-NEXT:    cmpeq p0.s, p0/z, z2.s, z1.s
+; CHECK-NEXT:    mov z0.s, p0/m, w9
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <2 x i16> %op1, i16 5, i64 1
+    ret <2 x i16> %r
+}
+
+define <4 x i16> @insertelement_v4i16(<4 x i16> %op1) #0 {
+; CHECK-LABEL: insertelement_v4i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #3
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z2.h, #0, #1
+; CHECK-NEXT:    ptrue p0.h
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    mov z1.h, w8
+; CHECK-NEXT:    cmpeq p0.h, p0/z, z2.h, z1.h
+; CHECK-NEXT:    mov z0.h, p0/m, w9
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <4 x i16> %op1, i16 5, i64 3
+    ret <4 x i16> %r
+}
+
+define <8 x i16> @insertelement_v8i16(<8 x i16> %op1) #0 {
+; CHECK-LABEL: insertelement_v8i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #7
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z2.h, #0, #1
+; CHECK-NEXT:    ptrue p0.h
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    mov z1.h, w8
+; CHECK-NEXT:    cmpeq p0.h, p0/z, z2.h, z1.h
+; CHECK-NEXT:    mov z0.h, p0/m, w9
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <8 x i16> %op1, i16 5, i64 7
+    ret <8 x i16> %r
+}
+
+define <16 x i16> @insertelement_v16i16(<16 x i16> %op1) #0 {
+; CHECK-LABEL: insertelement_v16i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #7
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z3.h, #0, #1
+; CHECK-NEXT:    ptrue p0.h
+; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
+; CHECK-NEXT:    mov z2.h, w8
+; CHECK-NEXT:    cmpeq p0.h, p0/z, z3.h, z2.h
+; CHECK-NEXT:    mov z1.h, p0/m, w9
+; CHECK-NEXT:    // kill: def $q1 killed $q1 killed $z1
+; CHECK-NEXT:    ret
+    %r = insertelement <16 x i16> %op1, i16 5, i64 15
+    ret <16 x i16> %r
+}
+
+;i32
+define <2 x i32> @insertelement_v2i32(<2 x i32> %op1) #0 {
+; CHECK-LABEL: insertelement_v2i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #1
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z2.s, #0, #1
+; CHECK-NEXT:    ptrue p0.s
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    mov z1.s, w8
+; CHECK-NEXT:    cmpeq p0.s, p0/z, z2.s, z1.s
+; CHECK-NEXT:    mov z0.s, p0/m, w9
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <2 x i32> %op1, i32 5, i64 1
+    ret <2 x i32> %r
+}
+
+define <4 x i32> @insertelement_v4i32(<4 x i32> %op1) #0 {
+; CHECK-LABEL: insertelement_v4i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #3
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z2.s, #0, #1
+; CHECK-NEXT:    ptrue p0.s
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    mov z1.s, w8
+; CHECK-NEXT:    cmpeq p0.s, p0/z, z2.s, z1.s
+; CHECK-NEXT:    mov z0.s, p0/m, w9
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <4 x i32> %op1, i32 5, i64 3
+    ret <4 x i32> %r
+}
+
+define <8 x i32> @insertelement_v8i32(<8 x i32>* %a) #0 {
+; CHECK-LABEL: insertelement_v8i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #3
+; CHECK-NEXT:    index z3.s, #0, #1
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.s
+; CHECK-NEXT:    mov z2.s, w8
+; CHECK-NEXT:    mov w8, #5
+; CHECK-NEXT:    cmpeq p0.s, p0/z, z3.s, z2.s
+; CHECK-NEXT:    mov z1.s, p0/m, w8
+; CHECK-NEXT:    // kill: def $q1 killed $q1 killed $z1
+; CHECK-NEXT:    ret
+    %op1 = load <8 x i32>, <8 x i32>* %a
+    %r = insertelement <8 x i32> %op1, i32 5, i64 7
+    ret <8 x i32> %r
+}
+
+;i64
+define <1 x i64> @insertelement_v1i64(<1 x i64> %op1) #0 {
+; CHECK-LABEL: insertelement_v1i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #5
+; CHECK-NEXT:    fmov d0, x8
+; CHECK-NEXT:    ret
+    %r = insertelement <1 x i64> %op1, i64 5, i64 0
+    ret <1 x i64> %r
+}
+
+define <2 x i64> @insertelement_v2i64(<2 x i64> %op1) #0 {
+; CHECK-LABEL: insertelement_v2i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #1
+; CHECK-NEXT:    mov w9, #5
+; CHECK-NEXT:    index z2.d, #0, #1
+; CHECK-NEXT:    ptrue p0.d
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    mov z1.d, x8
+; CHECK-NEXT:    cmpeq p0.d, p0/z, z2.d, z1.d
+; CHECK-NEXT:    mov z0.d, p0/m, x9
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <2 x i64> %op1, i64 5, i64 1
+    ret <2 x i64> %r
+}
+
+define <4 x i64> @insertelement_v4i64(<4 x i64>* %a) #0 {
+; CHECK-LABEL: insertelement_v4i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #1
+; CHECK-NEXT:    index z3.d, #0, #1
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    ptrue p0.d
+; CHECK-NEXT:    mov z2.d, x8
+; CHECK-NEXT:    mov w8, #5
+; CHECK-NEXT:    cmpeq p0.d, p0/z, z3.d, z2.d
+; CHECK-NEXT:    mov z1.d, p0/m, x8
+; CHECK-NEXT:    // kill: def $q1 killed $q1 killed $z1
+; CHECK-NEXT:    ret
+    %op1 = load <4 x i64>, <4 x i64>* %a
+    %r = insertelement <4 x i64> %op1, i64 5, i64 3
+    ret <4 x i64> %r
+}
+
+;f16
+define <2 x half> @insertelement_v2f16(<2 x half> %op1) #0 {
+; CHECK-LABEL: insertelement_v2f16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    sub sp, sp, #16
+; CHECK-NEXT:    .cfi_def_cfa_offset 16
+; CHECK-NEXT:    fmov h1, #5.00000000
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    str h0, [sp, #8]
+; CHECK-NEXT:    str h1, [sp, #10]
+; CHECK-NEXT:    ldr d0, [sp, #8]
+; CHECK-NEXT:    add sp, sp, #16
+; CHECK-NEXT:    ret
+    %r = insertelement <2 x half> %op1, half 5.0, i64 1
+    ret <2 x half> %r
+}
+
+define <4 x half> @insertelement_v4f16(<4 x half> %op1) #0 {
+; CHECK-LABEL: insertelement_v4f16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #3
+; CHECK-NEXT:    fmov h1, #5.00000000
+; CHECK-NEXT:    index z3.h, #0, #1
+; CHECK-NEXT:    ptrue p0.h
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    mov z2.h, w8
+; CHECK-NEXT:    cmpeq p0.h, p0/z, z3.h, z2.h
+; CHECK-NEXT:    mov z0.h, p0/m, h1
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <4 x half> %op1, half 5.0, i64 3
+    ret <4 x half> %r
+}
+
+define <8 x half> @insertelement_v8f16(<8 x half> %op1) #0 {
+; CHECK-LABEL: insertelement_v8f16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #7
+; CHECK-NEXT:    fmov h1, #5.00000000
+; CHECK-NEXT:    index z3.h, #0, #1
+; CHECK-NEXT:    ptrue p0.h
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    mov z2.h, w8
+; CHECK-NEXT:    cmpeq p0.h, p0/z, z3.h, z2.h
+; CHECK-NEXT:    mov z0.h, p0/m, h1
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <8 x half> %op1, half 5.0, i64 7
+    ret <8 x half> %r
+}
+
+define <16 x half> @insertelement_v16f16(<16 x half>* %a) #0 {
+; CHECK-LABEL: insertelement_v16f16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    mov w8, #7
+; CHECK-NEXT:    fmov h3, #5.00000000
+; CHECK-NEXT:    index z4.h, #0, #1
+; CHECK-NEXT:    ptrue p0.h
+; CHECK-NEXT:    mov z2.h, w8
+; CHECK-NEXT:    cmpeq p0.h, p0/z, z4.h, z2.h
+; CHECK-NEXT:    mov z1.h, p0/m, h3
+; CHECK-NEXT:    // kill: def $q1 killed $q1 killed $z1
+; CHECK-NEXT:    ret
+    %op1 = load <16 x half>, <16 x half>* %a
+    %r = insertelement <16 x half> %op1, half 5.0, i64 15
+    ret <16 x half> %r
+}
+
+;f32
+define <2 x float> @insertelement_v2f32(<2 x float> %op1) #0 {
+; CHECK-LABEL: insertelement_v2f32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #1
+; CHECK-NEXT:    fmov s1, #5.00000000
+; CHECK-NEXT:    index z3.s, #0, #1
+; CHECK-NEXT:    ptrue p0.s
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    mov z2.s, w8
+; CHECK-NEXT:    cmpeq p0.s, p0/z, z3.s, z2.s
+; CHECK-NEXT:    mov z0.s, p0/m, s1
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <2 x float> %op1, float 5.0, i64 1
+    ret <2 x float> %r
+}
+
+define <4 x float> @insertelement_v4f32(<4 x float> %op1) #0 {
+; CHECK-LABEL: insertelement_v4f32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #3
+; CHECK-NEXT:    fmov s1, #5.00000000
+; CHECK-NEXT:    index z3.s, #0, #1
+; CHECK-NEXT:    ptrue p0.s
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    mov z2.s, w8
+; CHECK-NEXT:    cmpeq p0.s, p0/z, z3.s, z2.s
+; CHECK-NEXT:    mov z0.s, p0/m, s1
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <4 x float> %op1, float 5.0, i64 3
+    ret <4 x float> %r
+}
+
+define <8 x float> @insertelement_v8f32(<8 x float>* %a) #0 {
+; CHECK-LABEL: insertelement_v8f32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    mov w8, #3
+; CHECK-NEXT:    fmov s4, #5.00000000
+; CHECK-NEXT:    index z2.s, #0, #1
+; CHECK-NEXT:    ptrue p0.s
+; CHECK-NEXT:    mov z3.s, w8
+; CHECK-NEXT:    cmpeq p0.s, p0/z, z2.s, z3.s
+; CHECK-NEXT:    mov z1.s, p0/m, s4
+; CHECK-NEXT:    // kill: def $q1 killed $q1 killed $z1
+; CHECK-NEXT:    ret
+    %op1 = load <8 x float>, <8 x float>* %a
+    %r = insertelement <8 x float> %op1, float 5.0, i64 7
+    ret <8 x float> %r
+}
+
+;f64
+define <1 x double> @insertelement_v1f64(<1 x double> %op1) #0 {
+; CHECK-LABEL: insertelement_v1f64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    fmov d0, #5.00000000
+; CHECK-NEXT:    ret
+    %r = insertelement <1 x double> %op1, double 5.0, i64 0
+    ret <1 x double> %r
+}
+
+define <2 x double> @insertelement_v2f64(<2 x double> %op1) #0 {
+; CHECK-LABEL: insertelement_v2f64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov w8, #1
+; CHECK-NEXT:    fmov d1, #5.00000000
+; CHECK-NEXT:    index z3.d, #0, #1
+; CHECK-NEXT:    ptrue p0.d
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    mov z2.d, x8
+; CHECK-NEXT:    cmpeq p0.d, p0/z, z3.d, z2.d
+; CHECK-NEXT:    mov z0.d, p0/m, d1
+; CHECK-NEXT:    // kill: def $q0 killed $q0 killed $z0
+; CHECK-NEXT:    ret
+    %r = insertelement <2 x double> %op1, double 5.0, i64 1
+    ret <2 x double> %r
+}
+
+define <4 x double> @insertelement_v4f64(<4 x double>* %a) #0 {
+; CHECK-LABEL: insertelement_v4f64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    mov w8, #1
+; CHECK-NEXT:    fmov d3, #5.00000000
+; CHECK-NEXT:    index z4.d, #0, #1
+; CHECK-NEXT:    ptrue p0.d
+; CHECK-NEXT:    mov z2.d, x8
+; CHECK-NEXT:    cmpeq p0.d, p0/z, z4.d, z2.d
+; CHECK-NEXT:    mov z1.d, p0/m, d3
+; CHECK-NEXT:    // kill: def $q1 killed $q1 killed $z1
+; CHECK-NEXT:    ret
+    %op1 = load <4 x double>, <4 x double>* %a
+    %r = insertelement <4 x double> %op1, double 5.0, i64 3
+    ret <4 x double> %r
+}
+
+attributes #0 = { "target-features"="+sve" }
diff --git a/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-subvector.ll b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-subvector.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-subvector.ll
@@ -0,0 +1,331 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -force-streaming-compatible-sve  < %s | FileCheck %s
+
+target triple = "aarch64-unknown-linux-gnu"
+
+; i8
+define void @subvector_v4i8(<4 x i8> *%in, <4 x i8>* %out) #0 {
+; CHECK-LABEL: subvector_v4i8:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr s0, [x0]
+; CHECK-NEXT:    ptrue p0.h, vl4
+; CHECK-NEXT:    uunpklo z0.h, z0.b
+; CHECK-NEXT:    st1b { z0.h }, p0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <4 x i8>, <4 x i8>* %in
+  br label %bb1
+
+bb1:
+  store <4 x i8> %a, <4 x i8>* %out
+  ret void
+}
+
+define void @subvector_v8i8(<8 x i8> *%in, <8 x i8>* %out) #0 {
+; CHECK-LABEL: subvector_v8i8:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr d0, [x0]
+; CHECK-NEXT:    str d0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <8 x i8>, <8 x i8>* %in
+  br label %bb1
+
+bb1:
+  store <8 x i8> %a, <8 x i8>* %out
+  ret void
+}
+
+define void @subvector_v16i8(<16 x i8> *%in, <16 x i8>* %out) #0 {
+; CHECK-LABEL: subvector_v16i8:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    str q0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <16 x i8>, <16 x i8>* %in
+  br label %bb1
+
+bb1:
+  store <16 x i8> %a, <16 x i8>* %out
+  ret void
+}
+
+define void @subvector_v32i8(<32 x i8> *%in, <32 x i8>* %out) #0 {
+; CHECK-LABEL: subvector_v32i8:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    stp q0, q1, [x1]
+; CHECK-NEXT:    ret
+  %a = load <32 x i8>, <32 x i8>* %in
+  br label %bb1
+
+bb1:
+  store <32 x i8> %a, <32 x i8>* %out
+  ret void
+}
+
+; i16
+define void @subvector_v2i16(<2 x i16> *%in, <2 x i16>* %out) #0 {
+; CHECK-LABEL: subvector_v2i16:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    sub sp, sp, #16
+; CHECK-NEXT:    .cfi_def_cfa_offset 16
+; CHECK-NEXT:    ldrh w8, [x0, #2]
+; CHECK-NEXT:    ptrue p0.s, vl2
+; CHECK-NEXT:    str w8, [sp, #12]
+; CHECK-NEXT:    ldrh w8, [x0]
+; CHECK-NEXT:    str w8, [sp, #8]
+; CHECK-NEXT:    ldr d0, [sp, #8]
+; CHECK-NEXT:    st1h { z0.s }, p0, [x1]
+; CHECK-NEXT:    add sp, sp, #16
+; CHECK-NEXT:    ret
+  %a = load <2 x i16>, <2 x i16>* %in
+  br label %bb1
+
+bb1:
+  store <2 x i16> %a, <2 x i16>* %out
+  ret void
+}
+
+define void @subvector_v4i16(<4 x i16> *%in, <4 x i16>* %out) #0 {
+; CHECK-LABEL: subvector_v4i16:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr d0, [x0]
+; CHECK-NEXT:    str d0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <4 x i16>, <4 x i16>* %in
+  br label %bb1
+
+bb1:
+  store <4 x i16> %a, <4 x i16>* %out
+  ret void
+}
+
+define void @subvector_v8i16(<8 x i16> *%in, <8 x i16>* %out) #0 {
+; CHECK-LABEL: subvector_v8i16:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    str q0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <8 x i16>, <8 x i16>* %in
+  br label %bb1
+
+bb1:
+  store <8 x i16> %a, <8 x i16>* %out
+  ret void
+}
+
+define void @subvector_v16i16(<16 x i16> *%in, <16 x i16>* %out) #0 {
+; CHECK-LABEL: subvector_v16i16:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    stp q0, q1, [x1]
+; CHECK-NEXT:    ret
+  %a = load <16 x i16>, <16 x i16>* %in
+  br label %bb1
+
+bb1:
+  store <16 x i16> %a, <16 x i16>* %out
+  ret void
+}
+
+; i32
+define void @subvector_v2i32(<2 x i32> *%in, <2 x i32>* %out) #0 {
+; CHECK-LABEL: subvector_v2i32:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr d0, [x0]
+; CHECK-NEXT:    str d0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <2 x i32>, <2 x i32>* %in
+  br label %bb1
+
+bb1:
+  store <2 x i32> %a, <2 x i32>* %out
+  ret void
+}
+
+define void @subvector_v4i32(<4 x i32> *%in, <4 x i32>* %out) #0 {
+; CHECK-LABEL: subvector_v4i32:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    str q0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <4 x i32>, <4 x i32>* %in
+  br label %bb1
+
+bb1:
+  store <4 x i32> %a, <4 x i32>* %out
+  ret void
+}
+
+define void @subvector_v8i32(<8 x i32> *%in, <8 x i32>* %out) #0 {
+; CHECK-LABEL: subvector_v8i32:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    stp q0, q1, [x1]
+; CHECK-NEXT:    ret
+  %a = load <8 x i32>, <8 x i32>* %in
+  br label %bb1
+
+bb1:
+  store <8 x i32> %a, <8 x i32>* %out
+  ret void
+}
+
+; i64
+define void @subvector_v2i64(<2 x i64> *%in, <2 x i64>* %out) #0 {
+; CHECK-LABEL: subvector_v2i64:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    str q0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <2 x i64>, <2 x i64>* %in
+  br label %bb1
+
+bb1:
+  store <2 x i64> %a, <2 x i64>* %out
+  ret void
+}
+
+define void @subvector_v4i64(<4 x i64> *%in, <4 x i64>* %out) #0 {
+; CHECK-LABEL: subvector_v4i64:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    stp q0, q1, [x1]
+; CHECK-NEXT:    ret
+  %a = load <4 x i64>, <4 x i64>* %in
+  br label %bb1
+
+bb1:
+  store <4 x i64> %a, <4 x i64>* %out
+  ret void
+}
+
+; f16
+define void @subvector_v2f16(<2 x half> *%in, <2 x half>* %out) #0 {
+; CHECK-LABEL: subvector_v2f16:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr w8, [x0]
+; CHECK-NEXT:    str w8, [x1]
+; CHECK-NEXT:    ret
+  %a = load <2 x half>, <2 x half>* %in
+  br label %bb1
+
+bb1:
+  store <2 x half> %a, <2 x half>* %out
+  ret void
+}
+
+define void @subvector_v4f16(<4 x half> *%in, <4 x half>* %out) #0 {
+; CHECK-LABEL: subvector_v4f16:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr d0, [x0]
+; CHECK-NEXT:    str d0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <4 x half>, <4 x half>* %in
+  br label %bb1
+
+bb1:
+  store <4 x half> %a, <4 x half>* %out
+  ret void
+}
+
+define void @subvector_v8f16(<8 x half> *%in, <8 x half>* %out) #0 {
+; CHECK-LABEL: subvector_v8f16:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    str q0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <8 x half>, <8 x half>* %in
+  br label %bb1
+
+bb1:
+  store <8 x half> %a, <8 x half>* %out
+  ret void
+}
+
+define void @subvector_v16f16(<16 x half> *%in, <16 x half>* %out) #0 {
+; CHECK-LABEL: subvector_v16f16:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    stp q0, q1, [x1]
+; CHECK-NEXT:    ret
+  %a = load <16 x half>, <16 x half>* %in
+  br label %bb1
+
+bb1:
+  store <16 x half> %a, <16 x half>* %out
+  ret void
+}
+
+; f32
+define void @subvector_v2f32(<2 x float> *%in, <2 x float>* %out) #0 {
+; CHECK-LABEL: subvector_v2f32:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr d0, [x0]
+; CHECK-NEXT:    str d0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <2 x float>, <2 x float>* %in
+  br label %bb1
+
+bb1:
+  store <2 x float> %a, <2 x float>* %out
+  ret void
+}
+
+define void @subvector_v4f32(<4 x float> *%in, <4 x float>* %out) #0 {
+; CHECK-LABEL: subvector_v4f32:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    str q0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <4 x float>, <4 x float>* %in
+  br label %bb1
+
+bb1:
+  store <4 x float> %a, <4 x float>* %out
+  ret void
+}
+
+define void @subvector_v8f32(<8 x float> *%in, <8 x float>* %out) #0 {
+; CHECK-LABEL: subvector_v8f32:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    stp q0, q1, [x1]
+; CHECK-NEXT:    ret
+  %a = load <8 x float>, <8 x float>* %in
+  br label %bb1
+
+bb1:
+  store <8 x float> %a, <8 x float>* %out
+  ret void
+}
+
+; f64
+define void @subvector_v2f64(<2 x double> *%in, <2 x double>* %out) #0 {
+; CHECK-LABEL: subvector_v2f64:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    str q0, [x1]
+; CHECK-NEXT:    ret
+  %a = load <2 x double>, <2 x double>* %in
+  br label %bb1
+
+bb1:
+  store <2 x double> %a, <2 x double>* %out
+  ret void
+}
+
+define void @subvector_v4f64(<4 x double> *%in, <4 x double>* %out) #0 {
+; CHECK-LABEL: subvector_v4f64:
+; CHECK:       // %bb.0: // %bb1
+; CHECK-NEXT:    ldp q0, q1, [x0]
+; CHECK-NEXT:    stp q0, q1, [x1]
+; CHECK-NEXT:    ret
+  %a = load <4 x double>, <4 x double>* %in
+  br label %bb1
+
+bb1:
+  store <4 x double> %a, <4 x double>* %out
+  ret void
+}
+
+attributes #0 = { "target-features"="+sve" }
diff --git a/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-vector-shuffle.ll b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-vector-shuffle.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-vector-shuffle.ll
@@ -0,0 +1,356 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -force-streaming-compatible-sve  < %s | FileCheck %s
+
+target triple = "aarch64-unknown-linux-gnu"
+
+; define <4 x i8> @shuffle_ext_byone_v4i8(<4 x i8> %op1, <4 x i8> %op2) #0 {
+;   %ret = shufflevector <4 x i8> %op1, <4 x i8> %op2, <4 x i32> <i32 7, i32 8, i32 9, i32 10>
+;   ret <4 x i8> %ret
+; }
+
+define <8 x i8> @shuffle_ext_byone_v8i8(<8 x i8> %op1, <8 x i8> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v8i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    // kill: def $d1 killed $d1 def $z1
+; CHECK-NEXT:    mov z0.b, z0.b[7]
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    insr z1.b, w8
+; CHECK-NEXT:    fmov d0, d1
+; CHECK-NEXT:    ret
+  %ret = shufflevector <8 x i8> %op1, <8 x i8> %op2, <8 x i32> <i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14>
+  ret <8 x i8> %ret
+}
+
+define <16 x i8> @shuffle_ext_byone_v16i8(<16 x i8> %op1, <16 x i8> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v16i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
+; CHECK-NEXT:    mov z0.b, z0.b[15]
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    insr z1.b, w8
+; CHECK-NEXT:    orr q0.d, z1.d, z0.d
+; CHECK-NEXT:    ret
+  %ret = shufflevector <16 x i8> %op1, <16 x i8> %op2, <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22,
+                                                                   i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30>
+  ret <16 x i8> %ret
+}
+
+define void @shuffle_ext_byone_v32i8(<32 x i8>* %a, <32 x i8>* %b) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v32i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0, #16]
+; CHECK-NEXT:    ldr q1, [x1]
+; CHECK-NEXT:    mov z0.b, z0.b[15]
+; CHECK-NEXT:    mov z2.b, z1.b[15]
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    ldr q0, [x1, #16]
+; CHECK-NEXT:    fmov w9, s2
+; CHECK-NEXT:    insr z1.b, w8
+; CHECK-NEXT:    insr z0.b, w9
+; CHECK-NEXT:    stp q1, q0, [x0]
+; CHECK-NEXT:    ret
+  %op1 = load <32 x i8>, <32 x i8>* %a
+  %op2 = load <32 x i8>, <32 x i8>* %b
+  %ret = shufflevector <32 x i8> %op1, <32 x i8> %op2, <32 x i32> <i32 31, i32 32, i32 33, i32 34, i32 35, i32 36, i32 37, i32 38,
+                                                                   i32 39, i32 40, i32 41, i32 42, i32 43, i32 44, i32 45, i32 46,
+                                                                   i32 47, i32 48, i32 49, i32 50, i32 51, i32 52, i32 53, i32 54,
+                                                                   i32 55, i32 56, i32 57, i32 58, i32 59, i32 60, i32 61, i32 62>
+  store <32 x i8> %ret, <32 x i8>* %a
+  ret void
+}
+
+; define <2 x i16> @shuffle_ext_byone_v2i16(<2 x i16> %op1, <2 x i16> %op2) #0 {
+;   %ret = shufflevector <2 x i16> %op1, <2 x i16> %op2, <2 x i32> <i32 3, i32 4>
+;   ret <2 x i16> %ret
+; }
+
+define <4 x i16> @shuffle_ext_byone_v4i16(<4 x i16> %op1, <4 x i16> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v4i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    // kill: def $d1 killed $d1 def $z1
+; CHECK-NEXT:    mov z0.h, z0.h[3]
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    insr z1.h, w8
+; CHECK-NEXT:    fmov d0, d1
+; CHECK-NEXT:    ret
+  %ret = shufflevector <4 x i16> %op1, <4 x i16> %op2, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
+  ret <4 x i16> %ret
+}
+
+define <8 x i16> @shuffle_ext_byone_v8i16(<8 x i16> %op1, <8 x i16> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v8i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
+; CHECK-NEXT:    mov z0.h, z0.h[7]
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    insr z1.h, w8
+; CHECK-NEXT:    orr q0.d, z1.d, z0.d
+; CHECK-NEXT:    ret
+  %ret = shufflevector <8 x i16> %op1, <8 x i16> %op2, <8 x i32> <i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14>
+  ret <8 x i16> %ret
+}
+
+define void @shuffle_ext_byone_v16i16(<16 x i16>* %a, <16 x i16>* %b) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v16i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0, #16]
+; CHECK-NEXT:    ldr q1, [x1]
+; CHECK-NEXT:    mov z0.h, z0.h[7]
+; CHECK-NEXT:    mov z2.h, z1.h[7]
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    ldr q0, [x1, #16]
+; CHECK-NEXT:    fmov w9, s2
+; CHECK-NEXT:    insr z1.h, w8
+; CHECK-NEXT:    insr z0.h, w9
+; CHECK-NEXT:    stp q1, q0, [x0]
+; CHECK-NEXT:    ret
+  %op1 = load <16 x i16>, <16 x i16>* %a
+  %op2 = load <16 x i16>, <16 x i16>* %b
+  %ret = shufflevector <16 x i16> %op1, <16 x i16> %op2, <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22,
+                                                                     i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30>
+  store <16 x i16> %ret, <16 x i16>* %a
+  ret void
+}
+
+define <2 x i32> @shuffle_ext_byone_v2i32(<2 x i32> %op1, <2 x i32> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v2i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    // kill: def $d1 killed $d1 def $z1
+; CHECK-NEXT:    mov z0.s, z0.s[1]
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    insr z1.s, w8
+; CHECK-NEXT:    fmov d0, d1
+; CHECK-NEXT:    ret
+  %ret = shufflevector <2 x i32> %op1, <2 x i32> %op2, <2 x i32> <i32 1, i32 2>
+  ret <2 x i32> %ret
+}
+
+define <4 x i32> @shuffle_ext_byone_v4i32(<4 x i32> %op1, <4 x i32> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v4i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
+; CHECK-NEXT:    mov z0.s, z0.s[3]
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    insr z1.s, w8
+; CHECK-NEXT:    orr q0.d, z1.d, z0.d
+; CHECK-NEXT:    ret
+  %ret = shufflevector <4 x i32> %op1, <4 x i32> %op2, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
+  ret <4 x i32> %ret
+}
+
+define void @shuffle_ext_byone_v8i32(<8 x i32>* %a, <8 x i32>* %b) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v8i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0, #16]
+; CHECK-NEXT:    ldr q1, [x1]
+; CHECK-NEXT:    mov z0.s, z0.s[3]
+; CHECK-NEXT:    mov z2.s, z1.s[3]
+; CHECK-NEXT:    fmov w8, s0
+; CHECK-NEXT:    ldr q0, [x1, #16]
+; CHECK-NEXT:    fmov w9, s2
+; CHECK-NEXT:    insr z1.s, w8
+; CHECK-NEXT:    insr z0.s, w9
+; CHECK-NEXT:    stp q1, q0, [x0]
+; CHECK-NEXT:    ret
+  %op1 = load <8 x i32>, <8 x i32>* %a
+  %op2 = load <8 x i32>, <8 x i32>* %b
+  %ret = shufflevector <8 x i32> %op1, <8 x i32> %op2, <8 x i32> <i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14>
+  store <8 x i32> %ret, <8 x i32>* %a
+  ret void
+}
+
+define <2 x i64> @shuffle_ext_byone_v2i64(<2 x i64> %op1, <2 x i64> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v2i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
+; CHECK-NEXT:    mov z0.d, z0.d[1]
+; CHECK-NEXT:    fmov x8, d0
+; CHECK-NEXT:    insr z1.d, x8
+; CHECK-NEXT:    orr q0.d, z1.d, z0.d
+; CHECK-NEXT:    ret
+  %ret = shufflevector <2 x i64> %op1, <2 x i64> %op2, <2 x i32> <i32 1, i32 2>
+  ret <2 x i64> %ret
+}
+
+define void @shuffle_ext_byone_v4i64(<4 x i64>* %a, <4 x i64>* %b) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v4i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0, #16]
+; CHECK-NEXT:    ldr q1, [x1]
+; CHECK-NEXT:    mov z0.d, z0.d[1]
+; CHECK-NEXT:    mov z2.d, z1.d[1]
+; CHECK-NEXT:    fmov x8, d0
+; CHECK-NEXT:    ldr q0, [x1, #16]
+; CHECK-NEXT:    fmov x9, d2
+; CHECK-NEXT:    insr z1.d, x8
+; CHECK-NEXT:    insr z0.d, x9
+; CHECK-NEXT:    stp q1, q0, [x0]
+; CHECK-NEXT:    ret
+  %op1 = load <4 x i64>, <4 x i64>* %a
+  %op2 = load <4 x i64>, <4 x i64>* %b
+  %ret = shufflevector <4 x i64> %op1, <4 x i64> %op2, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
+  store <4 x i64> %ret, <4 x i64>* %a
+  ret void
+}
+
+
+define <4 x half> @shuffle_ext_byone_v4f16(<4 x half> %op1, <4 x half> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v4f16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    // kill: def $d1 killed $d1 def $z1
+; CHECK-NEXT:    mov z0.h, z0.h[3]
+; CHECK-NEXT:    insr z1.h, h0
+; CHECK-NEXT:    fmov d0, d1
+; CHECK-NEXT:    ret
+  %ret = shufflevector <4 x half> %op1, <4 x half> %op2, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
+  ret <4 x half> %ret
+}
+
+define <8 x half> @shuffle_ext_byone_v8f16(<8 x half> %op1, <8 x half> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v8f16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
+; CHECK-NEXT:    mov z0.h, z0.h[7]
+; CHECK-NEXT:    insr z1.h, h0
+; CHECK-NEXT:    orr q0.d, z1.d, z0.d
+; CHECK-NEXT:    ret
+  %ret = shufflevector <8 x half> %op1, <8 x half> %op2, <8 x i32> <i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14>
+  ret <8 x half> %ret
+}
+
+define void @shuffle_ext_byone_v16f16(<16 x half>* %a, <16 x half>* %b) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v16f16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q1, q2, [x1]
+; CHECK-NEXT:    mov z3.h, z1.h[7]
+; CHECK-NEXT:    ldr q0, [x0, #16]
+; CHECK-NEXT:    insr z2.h, h3
+; CHECK-NEXT:    mov z0.h, z0.h[7]
+; CHECK-NEXT:    insr z1.h, h0
+; CHECK-NEXT:    stp q1, q2, [x0]
+; CHECK-NEXT:    ret
+  %op1 = load <16 x half>, <16 x half>* %a
+  %op2 = load <16 x half>, <16 x half>* %b
+  %ret = shufflevector <16 x half> %op1, <16 x half> %op2, <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22,
+                                                                       i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30>
+  store <16 x half> %ret, <16 x half>* %a
+  ret void
+}
+
+define <2 x float> @shuffle_ext_byone_v2f32(<2 x float> %op1, <2 x float> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v2f32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
+; CHECK-NEXT:    // kill: def $d1 killed $d1 def $z1
+; CHECK-NEXT:    mov z0.s, z0.s[1]
+; CHECK-NEXT:    insr z1.s, s0
+; CHECK-NEXT:    fmov d0, d1
+; CHECK-NEXT:    ret
+  %ret = shufflevector <2 x float> %op1, <2 x float> %op2, <2 x i32> <i32 1, i32 2>
+  ret <2 x float> %ret
+}
+
+define <4 x float> @shuffle_ext_byone_v4f32(<4 x float> %op1, <4 x float> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v4f32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
+; CHECK-NEXT:    mov z0.s, z0.s[3]
+; CHECK-NEXT:    insr z1.s, s0
+; CHECK-NEXT:    orr q0.d, z1.d, z0.d
+; CHECK-NEXT:    ret
+  %ret = shufflevector <4 x float> %op1, <4 x float> %op2, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
+  ret <4 x float> %ret
+}
+
+define void @shuffle_ext_byone_v8f32(<8 x float>* %a, <8 x float>* %b) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v8f32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q1, q2, [x1]
+; CHECK-NEXT:    mov z3.s, z1.s[3]
+; CHECK-NEXT:    ldr q0, [x0, #16]
+; CHECK-NEXT:    insr z2.s, s3
+; CHECK-NEXT:    mov z0.s, z0.s[3]
+; CHECK-NEXT:    insr z1.s, s0
+; CHECK-NEXT:    stp q1, q2, [x0]
+; CHECK-NEXT:    ret
+  %op1 = load <8 x float>, <8 x float>* %a
+  %op2 = load <8 x float>, <8 x float>* %b
+  %ret = shufflevector <8 x float> %op1, <8 x float> %op2, <8 x i32> <i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14>
+  store <8 x float> %ret, <8 x float>* %a
+  ret void
+}
+
+define <2 x double> @shuffle_ext_byone_v2f64(<2 x double> %op1, <2 x double> %op2) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v2f64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
+; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
+; CHECK-NEXT:    mov z0.d, z0.d[1]
+; CHECK-NEXT:    insr z1.d, d0
+; CHECK-NEXT:    orr q0.d, z1.d, z0.d
+; CHECK-NEXT:    ret
+  %ret = shufflevector <2 x double> %op1, <2 x double> %op2, <2 x i32> <i32 1, i32 2>
+  ret <2 x double> %ret
+}
+
+define void @shuffle_ext_byone_v4f64(<4 x double>* %a, <4 x double>* %b) #0 {
+; CHECK-LABEL: shuffle_ext_byone_v4f64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q1, q2, [x1]
+; CHECK-NEXT:    mov z3.d, z1.d[1]
+; CHECK-NEXT:    ldr q0, [x0, #16]
+; CHECK-NEXT:    insr z2.d, d3
+; CHECK-NEXT:    mov z0.d, z0.d[1]
+; CHECK-NEXT:    insr z1.d, d0
+; CHECK-NEXT:    stp q1, q2, [x0]
+; CHECK-NEXT:    ret
+  %op1 = load <4 x double>, <4 x double>* %a
+  %op2 = load <4 x double>, <4 x double>* %b
+  %ret = shufflevector <4 x double> %op1, <4 x double> %op2, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
+  store <4 x double> %ret, <4 x double>* %a
+  ret void
+}
+
+define void @shuffle_ext_byone_reverse(<4 x double>* %a, <4 x double>* %b) #0 {
+; CHECK-LABEL: shuffle_ext_byone_reverse:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldp q1, q2, [x0]
+; CHECK-NEXT:    mov z3.d, z1.d[1]
+; CHECK-NEXT:    ldr q0, [x1, #16]
+; CHECK-NEXT:    insr z2.d, d3
+; CHECK-NEXT:    mov z0.d, z0.d[1]
+; CHECK-NEXT:    insr z1.d, d0
+; CHECK-NEXT:    stp q1, q2, [x0]
+; CHECK-NEXT:    ret
+  %op1 = load <4 x double>, <4 x double>* %a
+  %op2 = load <4 x double>, <4 x double>* %b
+  %ret = shufflevector <4 x double> %op1, <4 x double> %op2, <4 x i32> <i32 7, i32 0, i32 1, i32 2>
+  store <4 x double> %ret, <4 x double>* %a
+  ret void
+}
+
+define void @shuffle_ext_invalid(<4 x double>* %a, <4 x double>* %b) #0 {
+; CHECK-LABEL: shuffle_ext_invalid:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0, #16]
+; CHECK-NEXT:    ldr q1, [x1]
+; CHECK-NEXT:    stp q0, q1, [x0]
+; CHECK-NEXT:    ret
+  %op1 = load <4 x double>, <4 x double>* %a
+  %op2 = load <4 x double>, <4 x double>* %b
+  %ret = shufflevector <4 x double> %op1, <4 x double> %op2, <4 x i32> <i32 2, i32 3, i32 4, i32 5>
+  store <4 x double> %ret, <4 x double>* %a
+  ret void
+}
+
+attributes #0 = { "target-features"="+sve" }