diff --git a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.h b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.h
--- a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.h
+++ b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.h
@@ -50,6 +50,9 @@
   bool SelectSLLIUW(SDValue N, SDValue &RS1, SDValue &Shamt);
   bool SelectSLOIW(SDValue N, SDValue &RS1, SDValue &Shamt);
   bool SelectSROIW(SDValue N, SDValue &RS1, SDValue &Shamt);
+  bool selectVSplat(SDValue N, SDValue &SplatVal);
+  bool selectVSplatSimm5(SDValue N, SDValue &SplatVal);
+  bool selectVSplatUimm5(SDValue N, SDValue &SplatVal);
 
 // Include the pieces autogenerated from the target description.
 #include "RISCVGenDAGISel.inc"
diff --git a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
--- a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
@@ -432,6 +432,52 @@
   return true;
 }
 
+bool RISCVDAGToDAGISel::selectVSplat(SDValue N, SDValue &SplatVal) {
+  if (N.getOpcode() != ISD::SPLAT_VECTOR &&
+      N.getOpcode() != RISCVISD::SPLAT_VECTOR_I64)
+    return false;
+  SplatVal = N.getOperand(0);
+  return true;
+}
+
+bool RISCVDAGToDAGISel::selectVSplatSimm5(SDValue N, SDValue &SplatVal) {
+  if ((N.getOpcode() != ISD::SPLAT_VECTOR &&
+       N.getOpcode() != RISCVISD::SPLAT_VECTOR_I64) ||
+      !isa<ConstantSDNode>(N.getOperand(0)))
+    return false;
+
+  int64_t SplatImm = cast<ConstantSDNode>(N.getOperand(0))->getSExtValue();
+
+  // TODO: First truncate the constant to the vector element type since the
+  // bits will be implicitly truncated anyway. This would catch cases where the
+  // immediate was zero-extended instead of sign-extended: we would still want
+  // to match (i8 -1) -> (XLenVT 255) as a simm5, for example
+  if (!isInt<5>(SplatImm))
+    return false;
+
+  SplatVal =
+      CurDAG->getTargetConstant(SplatImm, SDLoc(N), Subtarget->getXLenVT());
+
+  return true;
+}
+
+bool RISCVDAGToDAGISel::selectVSplatUimm5(SDValue N, SDValue &SplatVal) {
+  if ((N.getOpcode() != ISD::SPLAT_VECTOR &&
+       N.getOpcode() != RISCVISD::SPLAT_VECTOR_I64) ||
+      !isa<ConstantSDNode>(N.getOperand(0)))
+    return false;
+
+  int64_t SplatImm = cast<ConstantSDNode>(N.getOperand(0))->getSExtValue();
+
+  if (!isUInt<5>(SplatImm))
+    return false;
+
+  SplatVal =
+      CurDAG->getTargetConstant(SplatImm, SDLoc(N), Subtarget->getXLenVT());
+
+  return true;
+}
+
 // Merge an ADDI into the offset of a load/store instruction where possible.
 // (load (addi base, off1), off2) -> (load base, off1+off2)
 // (store val, (addi base, off1), off2) -> (store val, base, off1+off2)
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.h b/llvm/lib/Target/RISCV/RISCVISelLowering.h
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.h
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.h
@@ -82,6 +82,9 @@
   // sign extended from the vector element size. NOTE: The result size will
   // never be less than the vector element size.
   VMV_X_S,
+  // Splats an i64 scalar to a vector type (with element type i64) where the
+  // scalar is a sign-extended i32.
+  SPLAT_VECTOR_I64,
 };
 } // namespace RISCVISD
 
@@ -265,6 +268,7 @@
   SDValue lowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerShiftLeftParts(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerShiftRightParts(SDValue Op, SelectionDAG &DAG, bool IsSRA) const;
+  SDValue lowerSPLATVECTOR(SDValue Op, SelectionDAG &DAG) const;
   SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const;
   SDValue LowerINTRINSIC_W_CHAIN(SDValue Op, SelectionDAG &DAG) const;
 
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -361,6 +361,13 @@
       setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::i64, Custom);
       setOperationAction(ISD::INTRINSIC_W_CHAIN, MVT::i64, Custom);
     }
+
+    for (auto VT : MVT::integer_scalable_vector_valuetypes())
+      setOperationAction(ISD::SPLAT_VECTOR, VT, Legal);
+
+    // We must custom-lower SPLAT_VECTOR vXi64 on RV32
+    if (!Subtarget.is64Bit())
+      setOperationAction(ISD::SPLAT_VECTOR, MVT::i64, Custom);
   }
 
   // Function alignments.
@@ -625,6 +632,8 @@
     return DAG.getNode(RISCVISD::GREVI, DL, VT, Op.getOperand(0),
                        DAG.getTargetConstant(Imm, DL, Subtarget.getXLenVT()));
   }
+  case ISD::SPLAT_VECTOR:
+    return lowerSPLATVECTOR(Op, DAG);
   }
 }
 
@@ -1042,6 +1051,53 @@
   return DAG.getMergeValues(Parts, DL);
 }
 
+// Custom-lower a SPLAT_VECTOR where XLEN<SEW, as the SEW element type is
+// illegal (currently only vXi64 RV32).
+// FIXME: We could also catch non-constant sign-extended i32 values and lower
+// them to SPLAT_VECTOR_I64
+SDValue RISCVTargetLowering::lowerSPLATVECTOR(SDValue Op,
+                                              SelectionDAG &DAG) const {
+  SDLoc DL(Op);
+  EVT VecVT = Op.getValueType();
+  assert(!Subtarget.is64Bit() && VecVT.getVectorElementType() == MVT::i64 &&
+         "Unexpected SPLAT_VECTOR lowering");
+  SDValue SplatVal = Op.getOperand(0);
+
+  // If we can prove that the value is a sign-extended 32-bit value, lower this
+  // as a custom node in order to try and match RVV vector/scalar instructions.
+  if (auto *CVal = dyn_cast<ConstantSDNode>(SplatVal)) {
+    if (isInt<32>(CVal->getSExtValue()))
+      return DAG.getNode(RISCVISD::SPLAT_VECTOR_I64, DL, VecVT,
+                         DAG.getConstant(CVal->getSExtValue(), DL, MVT::i32));
+  }
+
+  // Else, on RV32 we lower an i64-element SPLAT_VECTOR thus, being careful not
+  // to accidentally sign-extend the 32-bit halves to the e64 SEW:
+  // vmv.v.x vX, hi
+  // vsll.vx vX, vX, /*32*/
+  // vmv.v.x vY, lo
+  // vsll.vx vY, vY, /*32*/
+  // vsrl.vx vY, vY, /*32*/
+  // vor.vv vX, vX, vY
+  SDValue One = DAG.getConstant(1, DL, MVT::i32);
+  SDValue Zero = DAG.getConstant(0, DL, MVT::i32);
+  SDValue ThirtyTwoV = DAG.getConstant(32, DL, VecVT);
+  SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, SplatVal, Zero);
+  SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, SplatVal, One);
+
+  Lo = DAG.getNode(RISCVISD::SPLAT_VECTOR_I64, DL, VecVT, Lo);
+  Lo = DAG.getNode(ISD::SHL, DL, VecVT, Lo, ThirtyTwoV);
+  Lo = DAG.getNode(ISD::SRL, DL, VecVT, Lo, ThirtyTwoV);
+
+  if (isNullConstant(Hi))
+    return Lo;
+
+  Hi = DAG.getNode(RISCVISD::SPLAT_VECTOR_I64, DL, VecVT, Hi);
+  Hi = DAG.getNode(ISD::SHL, DL, VecVT, Hi, ThirtyTwoV);
+
+  return DAG.getNode(ISD::OR, DL, VecVT, Lo, Hi);
+}
+
 SDValue RISCVTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
                                                      SelectionDAG &DAG) const {
   unsigned IntNo = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
@@ -3426,6 +3482,7 @@
   NODE_NAME_CASE(GORCI)
   NODE_NAME_CASE(GORCIW)
   NODE_NAME_CASE(VMV_X_S)
+  NODE_NAME_CASE(SPLAT_VECTOR_I64)
   }
   // clang-format on
   return nullptr;
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td b/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
@@ -949,58 +949,6 @@
   defm "" : VPseudoBinaryM_VI;
 }
 
-//===----------------------------------------------------------------------===//
-// Helpers to define the SDNode patterns.
-//===----------------------------------------------------------------------===//
-
-multiclass VPatUSLoadStoreSDNode<LLVMType type,
-                                 LLVMType mask_type,
-                                 int sew,
-                                 LMULInfo vlmul,
-                                 RegisterClass reg_rs1,
-                                 VReg reg_class>
-{
-  defvar load_instr = !cast<Instruction>("PseudoVLE"#sew#"_V_"#vlmul.MX);
-  defvar store_instr = !cast<Instruction>("PseudoVSE"#sew#"_V_"#vlmul.MX);
-  // Load
-  def : Pat<(type (load reg_rs1:$rs1)),
-            (load_instr reg_rs1:$rs1, VLMax, sew)>;
-  // Store
-  def : Pat<(store type:$rs2, reg_rs1:$rs1),
-            (store_instr reg_class:$rs2, reg_rs1:$rs1, VLMax, sew)>;
-}
-
-multiclass VPatUSLoadStoreSDNodes<RegisterClass reg_rs1> {
-  foreach vti = AllVectors in
-    defm "" : VPatUSLoadStoreSDNode<vti.Vector, vti.Mask, vti.SEW, vti.LMul,
-                                    reg_rs1, vti.RegClass>;
-}
-
-class VPatBinarySDNode<SDNode vop,
-                       string instruction_name,
-                       ValueType result_type,
-                       ValueType op_type,
-                       ValueType mask_type,
-                       int sew,
-                       LMULInfo vlmul,
-                       VReg RetClass,
-                       VReg op_reg_class> :
-    Pat<(result_type (vop
-                     (op_type op_reg_class:$rs1),
-                     (op_type op_reg_class:$rs2))),
-                     (!cast<Instruction>(instruction_name#"_VV_"# vlmul.MX)
-                     op_reg_class:$rs1,
-                     op_reg_class:$rs2,
-                     VLMax, sew)>;
-
-multiclass VPatBinarySDNode<SDNode vop, string instruction_name>
-{
-  foreach vti = AllIntegerVectors in
-    def : VPatBinarySDNode<vop, instruction_name,
-                           vti.Vector, vti.Vector, vti.Mask, vti.SEW,
-                           vti.LMul, vti.RegClass, vti.RegClass>;
-}
-
 //===----------------------------------------------------------------------===//
 // Helpers to define the intrinsic patterns.
 //===----------------------------------------------------------------------===//
@@ -2084,15 +2032,6 @@
 //===----------------------------------------------------------------------===//
 let Predicates = [HasStdExtV] in {
 
-// Whole-register vector patterns.
-
-// 7.4. Vector Unit-Stride Instructions
-defm "" : VPatUSLoadStoreSDNodes<GPR>;
-defm "" : VPatUSLoadStoreSDNodes<AddrFI>;
-
-// 12.1. Vector Single-Width Integer Add and Subtract
-defm "" : VPatBinarySDNode<add, "PseudoVADD">;
-
 //===----------------------------------------------------------------------===//
 // 7. Vector Loads and Stores
 //===----------------------------------------------------------------------===//
@@ -2520,3 +2459,6 @@
   defm "" : VPatBinaryV_VX<"int_riscv_vfslide1up", "PseudoVFSLIDE1UP", AllFloatVectors>;
   defm "" : VPatBinaryV_VX<"int_riscv_vfslide1down", "PseudoVFSLIDE1DOWN", AllFloatVectors>;
 } // Predicates = [HasStdExtV, HasStdExtF]
+
+// Include the non-intrinsic ISel patterns
+include "RISCVInstrInfoVSDPatterns.td"
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td b/llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
new file mode 100644
--- /dev/null
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
@@ -0,0 +1,166 @@
+//===- RISCVInstrInfoVSDPatterns.td - RVV SDNode patterns --*- tablegen -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// This file contains the required infrastructure and SDNode patterns to
+/// support code generation for the standard 'V' (Vector) extension, version
+/// 0.9.  This version is still experimental as the 'V' extension hasn't been
+/// ratified yet.
+///
+/// This file is included from and depends upon RISCVInstrInfoVPseudos.td
+///
+/// Note: the patterns for RVV intrinsics are found in
+/// RISCVInstrInfoVPseudos.td.
+///
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// Helpers to define the SDNode patterns.
+//===----------------------------------------------------------------------===//
+
+def SDTSplatI64 : SDTypeProfile<1, 1, [
+  SDTCVecEltisVT<0, i64>, SDTCisVT<1, i32>
+]>;
+
+def rv32_splat_i64 : SDNode<"RISCVISD::SPLAT_VECTOR_I64", SDTSplatI64>;
+
+// Penalize the generic form with Complexity=1 to give the simm5/uimm5 variants
+// precedence
+def SplatPat       : ComplexPattern<vAny, 1, "selectVSplat", [], [], 1>;
+
+def SplatPat_simm5 : ComplexPattern<vAny, 1, "selectVSplatSimm5", []>;
+def SplatPat_uimm5 : ComplexPattern<vAny, 1, "selectVSplatUimm5", []>;
+
+multiclass VPatUSLoadStoreSDNode<LLVMType type,
+                                 LLVMType mask_type,
+                                 int sew,
+                                 LMULInfo vlmul,
+                                 RegisterClass reg_rs1,
+                                 VReg reg_class>
+{
+  defvar load_instr = !cast<Instruction>("PseudoVLE"#sew#"_V_"#vlmul.MX);
+  defvar store_instr = !cast<Instruction>("PseudoVSE"#sew#"_V_"#vlmul.MX);
+  // Load
+  def : Pat<(type (load reg_rs1:$rs1)),
+            (load_instr reg_rs1:$rs1, VLMax, sew)>;
+  // Store
+  def : Pat<(store type:$rs2, reg_rs1:$rs1),
+            (store_instr reg_class:$rs2, reg_rs1:$rs1, VLMax, sew)>;
+}
+
+multiclass VPatUSLoadStoreSDNodes<RegisterClass reg_rs1> {
+  foreach vti = AllVectors in
+    defm "" : VPatUSLoadStoreSDNode<vti.Vector, vti.Mask, vti.SEW, vti.LMul,
+                                    reg_rs1, vti.RegClass>;
+}
+
+class VPatBinarySDNode_VV<SDNode vop,
+                          string instruction_name,
+                          ValueType result_type,
+                          ValueType op_type,
+                          ValueType mask_type,
+                          int sew,
+                          LMULInfo vlmul,
+                          VReg RetClass,
+                          VReg op_reg_class> :
+    Pat<(result_type (vop
+                     (op_type op_reg_class:$rs1),
+                     (op_type op_reg_class:$rs2))),
+        (!cast<Instruction>(instruction_name#"_VV_"# vlmul.MX)
+                     op_reg_class:$rs1,
+                     op_reg_class:$rs2,
+                     VLMax, sew)>;
+
+class VPatBinarySDNode_XI<SDNode vop,
+                          string instruction_name,
+                          string suffix,
+                          ValueType result_type,
+                          ValueType vop_type,
+                          ValueType xop_type,
+                          ValueType mask_type,
+                          int sew,
+                          LMULInfo vlmul,
+                          VReg RetClass,
+                          VReg vop_reg_class,
+                          ComplexPattern SplatPatKind,
+                          DAGOperand xop_kind> :
+    Pat<(result_type (vop
+                     (vop_type vop_reg_class:$rs1),
+                     (vop_type (SplatPatKind xop_kind:$rs2)))),
+        (!cast<Instruction>(instruction_name#_#suffix#_# vlmul.MX)
+                     vop_reg_class:$rs1,
+                     xop_kind:$rs2,
+                     VLMax, sew)>;
+
+multiclass VPatBinarySDNode_VV_VX_VI<SDNode vop, string instruction_name,
+                                     Operand ImmType = simm5>
+{
+  foreach vti = AllIntegerVectors in {
+    def : VPatBinarySDNode_VV<vop, instruction_name,
+                              vti.Vector, vti.Vector, vti.Mask, vti.SEW,
+                              vti.LMul, vti.RegClass, vti.RegClass>;
+    def : VPatBinarySDNode_XI<vop, instruction_name, "VX",
+                              vti.Vector, vti.Vector, XLenVT, vti.Mask, vti.SEW,
+                              vti.LMul, vti.RegClass, vti.RegClass,
+                              SplatPat, GPR>;
+    def : VPatBinarySDNode_XI<vop, instruction_name, "VI",
+                              vti.Vector, vti.Vector, XLenVT, vti.Mask, vti.SEW,
+                              vti.LMul, vti.RegClass, vti.RegClass,
+                              !cast<ComplexPattern>(SplatPat#_#ImmType),
+                              ImmType>;
+  }
+}
+
+//===----------------------------------------------------------------------===//
+// Patterns.
+//===----------------------------------------------------------------------===//
+
+let Predicates = [HasStdExtV] in {
+
+// 7.4. Vector Unit-Stride Instructions
+defm "" : VPatUSLoadStoreSDNodes<GPR>;
+defm "" : VPatUSLoadStoreSDNodes<AddrFI>;
+
+// 12.1. Vector Single-Width Integer Add and Subtract
+defm "" : VPatBinarySDNode_VV_VX_VI<add, "PseudoVADD">;
+
+// 12.5. Vector Bitwise Logical Instructions
+defm "" : VPatBinarySDNode_VV_VX_VI<or, "PseudoVOR">;
+
+// 12.6. Vector Single-Width Bit Shift Instructions
+defm "" : VPatBinarySDNode_VV_VX_VI<shl, "PseudoVSLL", uimm5>;
+defm "" : VPatBinarySDNode_VV_VX_VI<srl, "PseudoVSRL", uimm5>;
+
+} // Predicates = [HasStdExtV]
+
+//===----------------------------------------------------------------------===//
+// Vector Splats
+//===----------------------------------------------------------------------===//
+
+let Predicates = [HasStdExtV] in {
+foreach vti = AllIntegerVectors in {
+  def : Pat<(vti.Vector (splat_vector GPR:$rs1)),
+            (!cast<Instruction>("PseudoVMV_V_X_" # vti.LMul.MX)
+              GPR:$rs1, VLMax, vti.SEW)>;
+  def : Pat<(vti.Vector (splat_vector simm5:$rs1)),
+            (!cast<Instruction>("PseudoVMV_V_I_" # vti.LMul.MX)
+              simm5:$rs1, VLMax, vti.SEW)>;
+}
+} // Predicates = [HasStdExtV]
+
+let Predicates = [HasStdExtV, IsRV32] in {
+foreach vti = AllIntegerVectors in {
+  if !eq(vti.SEW, 64) then {
+    def : Pat<(vti.Vector (rv32_splat_i64 GPR:$rs1)),
+              (!cast<Instruction>("PseudoVMV_V_X_" # vti.LMul.MX)
+                GPR:$rs1, VLMax, vti.SEW)>;
+    def : Pat<(vti.Vector (rv32_splat_i64 simm5:$rs1)),
+              (!cast<Instruction>("PseudoVMV_V_I_" # vti.LMul.MX)
+                simm5:$rs1, VLMax, vti.SEW)>;
+  }
+}
+} // Predicates = [HasStdExtV, IsRV32]
diff --git a/llvm/test/CodeGen/RISCV/rvv/vadd-sdnode-rv32.ll b/llvm/test/CodeGen/RISCV/rvv/vadd-sdnode-rv32.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vadd-sdnode-rv32.ll
@@ -0,0 +1,822 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv32 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x i8> @vadd_vx_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vadd_vx_nxv1i8_0(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vadd_vx_nxv1i8_1(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vadd_vx_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vadd_vx_nxv2i8_0(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vadd_vx_nxv2i8_1(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vadd_vx_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vadd_vx_nxv4i8_0(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vadd_vx_nxv4i8_1(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vadd_vx_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vadd_vx_nxv8i8_0(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vadd_vx_nxv8i8_1(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vadd_vx_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vadd_vx_nxv16i8_0(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vadd_vx_nxv16i8_1(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vadd_vx_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vadd_vx_nxv32i8_0(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv32i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vadd_vx_nxv32i8_1(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv32i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vadd_vx_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = add <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vadd_vx_nxv64i8_0(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv64i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = add <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vadd_vx_nxv64i8_1(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv64i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = add <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vadd_vx_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vadd_vx_nxv1i16_0(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vadd_vx_nxv1i16_1(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vadd_vx_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vadd_vx_nxv2i16_0(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vadd_vx_nxv2i16_1(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vadd_vx_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vadd_vx_nxv4i16_0(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vadd_vx_nxv4i16_1(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vadd_vx_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vadd_vx_nxv8i16_0(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vadd_vx_nxv8i16_1(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vadd_vx_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vadd_vx_nxv16i16_0(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vadd_vx_nxv16i16_1(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vadd_vx_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vadd_vx_nxv32i16_0(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv32i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vadd_vx_nxv32i16_1(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv32i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vadd_vx_nxv1i32(<vscale x 1 x i32> %va, i32 %b) {
+; CHECK-LABEL: vadd_vx_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vadd_vx_nxv1i32_0(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vadd_vx_nxv1i32_1(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vadd_vx_nxv2i32(<vscale x 2 x i32> %va, i32 %b) {
+; CHECK-LABEL: vadd_vx_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vadd_vx_nxv2i32_0(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vadd_vx_nxv2i32_1(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vadd_vx_nxv4i32(<vscale x 4 x i32> %va, i32 %b) {
+; CHECK-LABEL: vadd_vx_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vadd_vx_nxv4i32_0(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vadd_vx_nxv4i32_1(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vadd_vx_nxv8i32(<vscale x 8 x i32> %va, i32 %b) {
+; CHECK-LABEL: vadd_vx_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vadd_vx_nxv8i32_0(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vadd_vx_nxv8i32_1(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vadd_vx_nxv16i32(<vscale x 16 x i32> %va, i32 %b) {
+; CHECK-LABEL: vadd_vx_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vadd_vx_nxv16i32_0(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vadd_vx_nxv16i32_1(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vadd_vx_nxv1i64(<vscale x 1 x i64> %va, i64 %b) {
+; CHECK-LABEL: vadd_vx_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmv.v.x v25, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v25, v25, a1
+; CHECK-NEXT:    vmv.v.x v26, a0
+; CHECK-NEXT:    vsll.vx v26, v26, a1
+; CHECK-NEXT:    vsrl.vx v26, v26, a1
+; CHECK-NEXT:    vor.vv v25, v26, v25
+; CHECK-NEXT:    vadd.vv v16, v16, v25
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vadd_vx_nxv1i64_0(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vadd_vx_nxv1i64_1(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 2, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vadd_vx_nxv2i64(<vscale x 2 x i64> %va, i64 %b) {
+; CHECK-LABEL: vadd_vx_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmv.v.x v26, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v26, v26, a1
+; CHECK-NEXT:    vmv.v.x v28, a0
+; CHECK-NEXT:    vsll.vx v28, v28, a1
+; CHECK-NEXT:    vsrl.vx v28, v28, a1
+; CHECK-NEXT:    vor.vv v26, v28, v26
+; CHECK-NEXT:    vadd.vv v16, v16, v26
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vadd_vx_nxv2i64_0(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vadd_vx_nxv2i64_1(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 2, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vadd_vx_nxv4i64(<vscale x 4 x i64> %va, i64 %b) {
+; CHECK-LABEL: vadd_vx_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmv.v.x v28, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v28, v28, a1
+; CHECK-NEXT:    vmv.v.x v8, a0
+; CHECK-NEXT:    vsll.vx v8, v8, a1
+; CHECK-NEXT:    vsrl.vx v8, v8, a1
+; CHECK-NEXT:    vor.vv v28, v8, v28
+; CHECK-NEXT:    vadd.vv v16, v16, v28
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vadd_vx_nxv4i64_0(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vadd_vx_nxv4i64_1(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 2, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64(<vscale x 8 x i64> %va, i64 %b) {
+; CHECK-LABEL: vadd_vx_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vmv.v.x v8, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v8, v8, a1
+; CHECK-NEXT:    vmv.v.x v24, a0
+; CHECK-NEXT:    vsll.vx v24, v24, a1
+; CHECK-NEXT:    vsrl.vx v24, v24, a1
+; CHECK-NEXT:    vor.vv v8, v24, v8
+; CHECK-NEXT:    vadd.vv v16, v16, v8
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_0(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_1(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 2, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
diff --git a/llvm/test/CodeGen/RISCV/rvv/vadd-sdnode-rv64.ll b/llvm/test/CodeGen/RISCV/rvv/vadd-sdnode-rv64.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vadd-sdnode-rv64.ll
@@ -0,0 +1,794 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv64 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x i8> @vadd_vx_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vadd_vx_nxv1i8_0(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vadd_vx_nxv1i8_1(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vadd_vx_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vadd_vx_nxv2i8_0(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vadd_vx_nxv2i8_1(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vadd_vx_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vadd_vx_nxv4i8_0(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vadd_vx_nxv4i8_1(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vadd_vx_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vadd_vx_nxv8i8_0(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vadd_vx_nxv8i8_1(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vadd_vx_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vadd_vx_nxv16i8_0(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vadd_vx_nxv16i8_1(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vadd_vx_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vadd_vx_nxv32i8_0(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv32i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vadd_vx_nxv32i8_1(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv32i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vadd_vx_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = add <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vadd_vx_nxv64i8_0(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv64i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = add <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vadd_vx_nxv64i8_1(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vadd_vx_nxv64i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 2, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = add <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vadd_vx_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vadd_vx_nxv1i16_0(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vadd_vx_nxv1i16_1(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vadd_vx_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vadd_vx_nxv2i16_0(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vadd_vx_nxv2i16_1(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vadd_vx_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vadd_vx_nxv4i16_0(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vadd_vx_nxv4i16_1(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vadd_vx_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vadd_vx_nxv8i16_0(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vadd_vx_nxv8i16_1(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vadd_vx_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vadd_vx_nxv16i16_0(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vadd_vx_nxv16i16_1(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vadd_vx_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vadd_vx_nxv32i16_0(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv32i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vadd_vx_nxv32i16_1(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vadd_vx_nxv32i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 2, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = add <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vadd_vx_nxv1i32(<vscale x 1 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vadd_vx_nxv1i32_0(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vadd_vx_nxv1i32_1(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vadd_vx_nxv2i32(<vscale x 2 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vadd_vx_nxv2i32_0(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vadd_vx_nxv2i32_1(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vadd_vx_nxv4i32(<vscale x 4 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vadd_vx_nxv4i32_0(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vadd_vx_nxv4i32_1(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vadd_vx_nxv8i32(<vscale x 8 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vadd_vx_nxv8i32_0(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vadd_vx_nxv8i32_1(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vadd_vx_nxv16i32(<vscale x 16 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vadd_vx_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vadd_vx_nxv16i32_0(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vadd_vx_nxv16i32_1(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vadd_vx_nxv16i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 2, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = add <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vadd_vx_nxv1i64(<vscale x 1 x i64> %va, i64 %b) {
+; CHECK-LABEL: vadd_vx_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vadd_vx_nxv1i64_0(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vadd_vx_nxv1i64_1(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv1i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 2, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = add <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vadd_vx_nxv2i64(<vscale x 2 x i64> %va, i64 %b) {
+; CHECK-LABEL: vadd_vx_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vadd_vx_nxv2i64_0(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vadd_vx_nxv2i64_1(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv2i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 2, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = add <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vadd_vx_nxv4i64(<vscale x 4 x i64> %va, i64 %b) {
+; CHECK-LABEL: vadd_vx_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vadd_vx_nxv4i64_0(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vadd_vx_nxv4i64_1(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv4i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 2, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = add <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64(<vscale x 8 x i64> %va, i64 %b) {
+; CHECK-LABEL: vadd_vx_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vadd.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_0(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_1(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vadd_vx_nxv8i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vadd.vi v16, v16, 2
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 2, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = add <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
diff --git a/llvm/test/CodeGen/RISCV/rvv/vor-sdnode-rv32.ll b/llvm/test/CodeGen/RISCV/rvv/vor-sdnode-rv32.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vor-sdnode-rv32.ll
@@ -0,0 +1,1109 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv32 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x i8> @vor_vx_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vor_vx_nxv1i8_0(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv1i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vor_vx_nxv1i8_1(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv1i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vor_vx_nxv1i8_2(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv1i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vor_vx_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vor_vx_nxv2i8_0(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv2i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vor_vx_nxv2i8_1(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv2i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vor_vx_nxv2i8_2(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv2i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vor_vx_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vor_vx_nxv4i8_0(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv4i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vor_vx_nxv4i8_1(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv4i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vor_vx_nxv4i8_2(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv4i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vor_vx_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vor_vx_nxv8i8_0(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv8i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vor_vx_nxv8i8_1(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv8i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vor_vx_nxv8i8_2(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv8i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vor_vx_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vor_vx_nxv16i8_0(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv16i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vor_vx_nxv16i8_1(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv16i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vor_vx_nxv16i8_2(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv16i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vor_vx_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vor_vx_nxv32i8_0(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv32i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vor_vx_nxv32i8_1(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv32i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vor_vx_nxv32i8_2(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv32i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vor_vx_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = or <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vor_vx_nxv64i8_0(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv64i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = or <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vor_vx_nxv64i8_1(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv64i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = or <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vor_vx_nxv64i8_2(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv64i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = or <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vor_vx_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vor_vx_nxv1i16_0(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv1i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vor_vx_nxv1i16_1(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv1i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vor_vx_nxv1i16_2(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv1i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vor_vx_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vor_vx_nxv2i16_0(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv2i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vor_vx_nxv2i16_1(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv2i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vor_vx_nxv2i16_2(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv2i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vor_vx_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vor_vx_nxv4i16_0(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv4i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vor_vx_nxv4i16_1(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv4i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vor_vx_nxv4i16_2(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv4i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vor_vx_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vor_vx_nxv8i16_0(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv8i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vor_vx_nxv8i16_1(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv8i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vor_vx_nxv8i16_2(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv8i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vor_vx_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vor_vx_nxv16i16_0(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv16i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vor_vx_nxv16i16_1(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv16i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vor_vx_nxv16i16_2(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv16i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vor_vx_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vor_vx_nxv32i16_0(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv32i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vor_vx_nxv32i16_1(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv32i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vor_vx_nxv32i16_2(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv32i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vor_vx_nxv1i32(<vscale x 1 x i32> %va, i32 %b) {
+; CHECK-LABEL: vor_vx_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vor_vx_nxv1i32_0(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv1i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vor_vx_nxv1i32_1(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv1i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vor_vx_nxv1i32_2(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv1i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vor_vx_nxv2i32(<vscale x 2 x i32> %va, i32 %b) {
+; CHECK-LABEL: vor_vx_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vor_vx_nxv2i32_0(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv2i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vor_vx_nxv2i32_1(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv2i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vor_vx_nxv2i32_2(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv2i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vor_vx_nxv4i32(<vscale x 4 x i32> %va, i32 %b) {
+; CHECK-LABEL: vor_vx_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vor_vx_nxv4i32_0(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv4i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vor_vx_nxv4i32_1(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv4i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vor_vx_nxv4i32_2(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv4i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vor_vx_nxv8i32(<vscale x 8 x i32> %va, i32 %b) {
+; CHECK-LABEL: vor_vx_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vor_vx_nxv8i32_0(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv8i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vor_vx_nxv8i32_1(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv8i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vor_vx_nxv8i32_2(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv8i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vor_vx_nxv16i32(<vscale x 16 x i32> %va, i32 %b) {
+; CHECK-LABEL: vor_vx_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vor_vx_nxv16i32_0(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv16i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vor_vx_nxv16i32_1(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv16i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vor_vx_nxv16i32_2(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv16i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vor_vx_nxv1i64(<vscale x 1 x i64> %va, i64 %b) {
+; CHECK-LABEL: vor_vx_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmv.v.x v25, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v25, v25, a1
+; CHECK-NEXT:    vmv.v.x v26, a0
+; CHECK-NEXT:    vsll.vx v26, v26, a1
+; CHECK-NEXT:    vsrl.vx v26, v26, a1
+; CHECK-NEXT:    vor.vv v25, v26, v25
+; CHECK-NEXT:    vor.vv v16, v16, v25
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vor_vx_nxv1i64_0(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv1i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vor_vx_nxv1i64_1(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv1i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 15, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vor_vx_nxv1i64_2(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv1i64_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 16, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vor_vx_nxv2i64(<vscale x 2 x i64> %va, i64 %b) {
+; CHECK-LABEL: vor_vx_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmv.v.x v26, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v26, v26, a1
+; CHECK-NEXT:    vmv.v.x v28, a0
+; CHECK-NEXT:    vsll.vx v28, v28, a1
+; CHECK-NEXT:    vsrl.vx v28, v28, a1
+; CHECK-NEXT:    vor.vv v26, v28, v26
+; CHECK-NEXT:    vor.vv v16, v16, v26
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vor_vx_nxv2i64_0(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv2i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vor_vx_nxv2i64_1(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv2i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 15, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vor_vx_nxv2i64_2(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv2i64_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 16, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vor_vx_nxv4i64(<vscale x 4 x i64> %va, i64 %b) {
+; CHECK-LABEL: vor_vx_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmv.v.x v28, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v28, v28, a1
+; CHECK-NEXT:    vmv.v.x v8, a0
+; CHECK-NEXT:    vsll.vx v8, v8, a1
+; CHECK-NEXT:    vsrl.vx v8, v8, a1
+; CHECK-NEXT:    vor.vv v28, v8, v28
+; CHECK-NEXT:    vor.vv v16, v16, v28
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vor_vx_nxv4i64_0(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv4i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vor_vx_nxv4i64_1(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv4i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 15, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vor_vx_nxv4i64_2(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv4i64_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 16, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vor_vx_nxv8i64(<vscale x 8 x i64> %va, i64 %b) {
+; CHECK-LABEL: vor_vx_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vmv.v.x v8, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v8, v8, a1
+; CHECK-NEXT:    vmv.v.x v24, a0
+; CHECK-NEXT:    vsll.vx v24, v24, a1
+; CHECK-NEXT:    vsrl.vx v24, v24, a1
+; CHECK-NEXT:    vor.vv v8, v24, v8
+; CHECK-NEXT:    vor.vv v16, v16, v8
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vor_vx_nxv8i64_0(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv8i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vor_vx_nxv8i64_1(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv8i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 15, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vor_vx_nxv8i64_2(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv8i64_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 16, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
diff --git a/llvm/test/CodeGen/RISCV/rvv/vor-sdnode-rv64.ll b/llvm/test/CodeGen/RISCV/rvv/vor-sdnode-rv64.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vor-sdnode-rv64.ll
@@ -0,0 +1,1081 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv64 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x i8> @vor_vx_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vor_vx_nxv1i8_0(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv1i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vor_vx_nxv1i8_1(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv1i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vor_vx_nxv1i8_2(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv1i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vor_vx_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vor_vx_nxv2i8_0(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv2i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vor_vx_nxv2i8_1(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv2i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vor_vx_nxv2i8_2(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv2i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vor_vx_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vor_vx_nxv4i8_0(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv4i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vor_vx_nxv4i8_1(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv4i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vor_vx_nxv4i8_2(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv4i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vor_vx_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vor_vx_nxv8i8_0(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv8i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vor_vx_nxv8i8_1(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv8i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vor_vx_nxv8i8_2(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv8i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vor_vx_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vor_vx_nxv16i8_0(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv16i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vor_vx_nxv16i8_1(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv16i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vor_vx_nxv16i8_2(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv16i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vor_vx_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vor_vx_nxv32i8_0(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv32i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vor_vx_nxv32i8_1(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv32i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vor_vx_nxv32i8_2(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv32i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vor_vx_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vor_vx_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = or <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vor_vx_nxv64i8_0(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv64i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 -1, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = or <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vor_vx_nxv64i8_1(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv64i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 15, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = or <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vor_vx_nxv64i8_2(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vor_vx_nxv64i8_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 16, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = or <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vor_vx_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vor_vx_nxv1i16_0(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv1i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vor_vx_nxv1i16_1(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv1i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vor_vx_nxv1i16_2(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv1i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vor_vx_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vor_vx_nxv2i16_0(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv2i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vor_vx_nxv2i16_1(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv2i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vor_vx_nxv2i16_2(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv2i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vor_vx_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vor_vx_nxv4i16_0(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv4i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vor_vx_nxv4i16_1(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv4i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vor_vx_nxv4i16_2(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv4i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vor_vx_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vor_vx_nxv8i16_0(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv8i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vor_vx_nxv8i16_1(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv8i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vor_vx_nxv8i16_2(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv8i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vor_vx_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vor_vx_nxv16i16_0(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv16i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vor_vx_nxv16i16_1(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv16i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vor_vx_nxv16i16_2(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv16i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vor_vx_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vor_vx_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vor_vx_nxv32i16_0(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv32i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 -1, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vor_vx_nxv32i16_1(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv32i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 15, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vor_vx_nxv32i16_2(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vor_vx_nxv32i16_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 16, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = or <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vor_vx_nxv1i32(<vscale x 1 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vor_vx_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vor_vx_nxv1i32_0(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv1i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vor_vx_nxv1i32_1(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv1i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vor_vx_nxv1i32_2(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv1i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vor_vx_nxv2i32(<vscale x 2 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vor_vx_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vor_vx_nxv2i32_0(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv2i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vor_vx_nxv2i32_1(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv2i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vor_vx_nxv2i32_2(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv2i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vor_vx_nxv4i32(<vscale x 4 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vor_vx_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vor_vx_nxv4i32_0(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv4i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vor_vx_nxv4i32_1(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv4i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vor_vx_nxv4i32_2(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv4i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vor_vx_nxv8i32(<vscale x 8 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vor_vx_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vor_vx_nxv8i32_0(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv8i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vor_vx_nxv8i32_1(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv8i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vor_vx_nxv8i32_2(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv8i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vor_vx_nxv16i32(<vscale x 16 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vor_vx_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vor_vx_nxv16i32_0(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv16i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 -1, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vor_vx_nxv16i32_1(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv16i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 15, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vor_vx_nxv16i32_2(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vor_vx_nxv16i32_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 16, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = or <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vor_vx_nxv1i64(<vscale x 1 x i64> %va, i64 %b) {
+; CHECK-LABEL: vor_vx_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vor_vx_nxv1i64_0(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv1i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vor_vx_nxv1i64_1(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv1i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 15, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vor_vx_nxv1i64_2(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv1i64_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 16, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = or <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vor_vx_nxv2i64(<vscale x 2 x i64> %va, i64 %b) {
+; CHECK-LABEL: vor_vx_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vor_vx_nxv2i64_0(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv2i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vor_vx_nxv2i64_1(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv2i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 15, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vor_vx_nxv2i64_2(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv2i64_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 16, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = or <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vor_vx_nxv4i64(<vscale x 4 x i64> %va, i64 %b) {
+; CHECK-LABEL: vor_vx_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vor_vx_nxv4i64_0(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv4i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vor_vx_nxv4i64_1(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv4i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 15, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vor_vx_nxv4i64_2(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv4i64_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 16, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = or <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vor_vx_nxv8i64(<vscale x 8 x i64> %va, i64 %b) {
+; CHECK-LABEL: vor_vx_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vor_vx_nxv8i64_0(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv8i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, -1
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vor_vx_nxv8i64_1(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv8i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vor.vi v16, v16, 15
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 15, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vor_vx_nxv8i64_2(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vor_vx_nxv8i64_2:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 16
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vor.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 16, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = or <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
diff --git a/llvm/test/CodeGen/RISCV/rvv/vshl-sdnode-rv32.ll b/llvm/test/CodeGen/RISCV/rvv/vshl-sdnode-rv32.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vshl-sdnode-rv32.ll
@@ -0,0 +1,845 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv32 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x i8> @vshl_vx_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vshl_vx_nxv1i8_0(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vshl_vx_nxv1i8_1(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vshl_vx_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vshl_vx_nxv2i8_0(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vshl_vx_nxv2i8_1(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vshl_vx_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vshl_vx_nxv4i8_0(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vshl_vx_nxv4i8_1(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vshl_vx_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vshl_vx_nxv8i8_0(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vshl_vx_nxv8i8_1(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vshl_vx_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vshl_vx_nxv16i8_0(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vshl_vx_nxv16i8_1(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vshl_vx_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vshl_vx_nxv32i8_0(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv32i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vshl_vx_nxv32i8_1(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv32i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vshl_vx_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = shl <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vshl_vx_nxv64i8_0(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv64i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = shl <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vshl_vx_nxv64i8_1(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv64i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = shl <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vshl_vx_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vshl_vx_nxv1i16_0(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vshl_vx_nxv1i16_1(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vshl_vx_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vshl_vx_nxv2i16_0(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vshl_vx_nxv2i16_1(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vshl_vx_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vshl_vx_nxv4i16_0(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vshl_vx_nxv4i16_1(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vshl_vx_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vshl_vx_nxv8i16_0(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vshl_vx_nxv8i16_1(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vshl_vx_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vshl_vx_nxv16i16_0(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vshl_vx_nxv16i16_1(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vshl_vx_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vshl_vx_nxv32i16_0(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv32i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vshl_vx_nxv32i16_1(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv32i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vshl_vx_nxv1i32(<vscale x 1 x i32> %va, i32 %b) {
+; CHECK-LABEL: vshl_vx_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vshl_vx_nxv1i32_0(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vshl_vx_nxv1i32_1(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vshl_vx_nxv2i32(<vscale x 2 x i32> %va, i32 %b) {
+; CHECK-LABEL: vshl_vx_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vshl_vx_nxv2i32_0(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vshl_vx_nxv2i32_1(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vshl_vx_nxv4i32(<vscale x 4 x i32> %va, i32 %b) {
+; CHECK-LABEL: vshl_vx_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vshl_vx_nxv4i32_0(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vshl_vx_nxv4i32_1(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vshl_vx_nxv8i32(<vscale x 8 x i32> %va, i32 %b) {
+; CHECK-LABEL: vshl_vx_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vshl_vx_nxv8i32_0(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vshl_vx_nxv8i32_1(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vshl_vx_nxv16i32(<vscale x 16 x i32> %va, i32 %b) {
+; CHECK-LABEL: vshl_vx_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vshl_vx_nxv16i32_0(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vshl_vx_nxv16i32_1(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vshl_vx_nxv1i64(<vscale x 1 x i64> %va, i64 %b) {
+; CHECK-LABEL: vshl_vx_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmv.v.x v25, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v25, v25, a1
+; CHECK-NEXT:    vmv.v.x v26, a0
+; CHECK-NEXT:    vsll.vx v26, v26, a1
+; CHECK-NEXT:    vsrl.vx v26, v26, a1
+; CHECK-NEXT:    vor.vv v25, v26, v25
+; CHECK-NEXT:    vsll.vv v16, v16, v25
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vshl_vx_nxv1i64_0(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vshl_vx_nxv1i64_1(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vshl_vx_nxv2i64(<vscale x 2 x i64> %va, i64 %b) {
+; CHECK-LABEL: vshl_vx_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmv.v.x v26, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v26, v26, a1
+; CHECK-NEXT:    vmv.v.x v28, a0
+; CHECK-NEXT:    vsll.vx v28, v28, a1
+; CHECK-NEXT:    vsrl.vx v28, v28, a1
+; CHECK-NEXT:    vor.vv v26, v28, v26
+; CHECK-NEXT:    vsll.vv v16, v16, v26
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vshl_vx_nxv2i64_0(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vshl_vx_nxv2i64_1(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vshl_vx_nxv4i64(<vscale x 4 x i64> %va, i64 %b) {
+; CHECK-LABEL: vshl_vx_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmv.v.x v28, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v28, v28, a1
+; CHECK-NEXT:    vmv.v.x v8, a0
+; CHECK-NEXT:    vsll.vx v8, v8, a1
+; CHECK-NEXT:    vsrl.vx v8, v8, a1
+; CHECK-NEXT:    vor.vv v28, v8, v28
+; CHECK-NEXT:    vsll.vv v16, v16, v28
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vshl_vx_nxv4i64_0(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vshl_vx_nxv4i64_1(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vshl_vx_nxv8i64(<vscale x 8 x i64> %va, i64 %b) {
+; CHECK-LABEL: vshl_vx_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vmv.v.x v8, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v8, v8, a1
+; CHECK-NEXT:    vmv.v.x v24, a0
+; CHECK-NEXT:    vsll.vx v24, v24, a1
+; CHECK-NEXT:    vsrl.vx v24, v24, a1
+; CHECK-NEXT:    vor.vv v8, v24, v8
+; CHECK-NEXT:    vsll.vv v16, v16, v8
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vshl_vx_nxv8i64_0(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vshl_vx_nxv8i64_1(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
diff --git a/llvm/test/CodeGen/RISCV/rvv/vshl-sdnode-rv64.ll b/llvm/test/CodeGen/RISCV/rvv/vshl-sdnode-rv64.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vshl-sdnode-rv64.ll
@@ -0,0 +1,817 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv64 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x i8> @vshl_vx_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vshl_vx_nxv1i8_0(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vshl_vx_nxv1i8_1(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vshl_vx_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vshl_vx_nxv2i8_0(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vshl_vx_nxv2i8_1(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vshl_vx_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vshl_vx_nxv4i8_0(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vshl_vx_nxv4i8_1(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vshl_vx_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vshl_vx_nxv8i8_0(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vshl_vx_nxv8i8_1(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vshl_vx_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vshl_vx_nxv16i8_0(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vshl_vx_nxv16i8_1(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vshl_vx_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vshl_vx_nxv32i8_0(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv32i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vshl_vx_nxv32i8_1(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv32i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vshl_vx_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = shl <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vshl_vx_nxv64i8_0(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv64i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = shl <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vshl_vx_nxv64i8_1(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vshl_vx_nxv64i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = shl <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vshl_vx_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vshl_vx_nxv1i16_0(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vshl_vx_nxv1i16_1(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vshl_vx_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vshl_vx_nxv2i16_0(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vshl_vx_nxv2i16_1(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vshl_vx_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vshl_vx_nxv4i16_0(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vshl_vx_nxv4i16_1(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vshl_vx_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vshl_vx_nxv8i16_0(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vshl_vx_nxv8i16_1(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vshl_vx_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vshl_vx_nxv16i16_0(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vshl_vx_nxv16i16_1(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vshl_vx_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vshl_vx_nxv32i16_0(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv32i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vshl_vx_nxv32i16_1(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vshl_vx_nxv32i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = shl <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vshl_vx_nxv1i32(<vscale x 1 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vshl_vx_nxv1i32_0(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vshl_vx_nxv1i32_1(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vshl_vx_nxv2i32(<vscale x 2 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vshl_vx_nxv2i32_0(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vshl_vx_nxv2i32_1(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vshl_vx_nxv4i32(<vscale x 4 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vshl_vx_nxv4i32_0(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vshl_vx_nxv4i32_1(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vshl_vx_nxv8i32(<vscale x 8 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vshl_vx_nxv8i32_0(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vshl_vx_nxv8i32_1(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vshl_vx_nxv16i32(<vscale x 16 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vshl_vx_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vshl_vx_nxv16i32_0(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vshl_vx_nxv16i32_1(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vshl_vx_nxv16i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = shl <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vshl_vx_nxv1i64(<vscale x 1 x i64> %va, i64 %b) {
+; CHECK-LABEL: vshl_vx_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vshl_vx_nxv1i64_0(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vshl_vx_nxv1i64_1(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv1i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = shl <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vshl_vx_nxv2i64(<vscale x 2 x i64> %va, i64 %b) {
+; CHECK-LABEL: vshl_vx_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vshl_vx_nxv2i64_0(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vshl_vx_nxv2i64_1(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv2i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = shl <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vshl_vx_nxv4i64(<vscale x 4 x i64> %va, i64 %b) {
+; CHECK-LABEL: vshl_vx_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vshl_vx_nxv4i64_0(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vshl_vx_nxv4i64_1(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv4i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = shl <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vshl_vx_nxv8i64(<vscale x 8 x i64> %va, i64 %b) {
+; CHECK-LABEL: vshl_vx_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vshl_vx_nxv8i64_0(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsll.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vshl_vx_nxv8i64_1(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vshl_vx_nxv8i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsll.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = shl <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
diff --git a/llvm/test/CodeGen/RISCV/rvv/vsplats-i64.ll b/llvm/test/CodeGen/RISCV/rvv/vsplats-i64.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vsplats-i64.ll
@@ -0,0 +1,266 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv32 -mattr=+experimental-v -verify-machineinstrs < %s \
+; RUN:   | FileCheck %s --check-prefix=RV32V
+; RUN: llc -mtriple=riscv64 -mattr=+experimental-v -verify-machineinstrs < %s \
+; RUN:   | FileCheck %s --check-prefix=RV64V
+
+define <vscale x 8 x i64> @vsplat_nxv8i64_1() {
+; RV32V-LABEL: vsplat_nxv8i64_1:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vmv.v.i v16, -1
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vsplat_nxv8i64_1:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vmv.v.i v16, -1
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  ret <vscale x 8 x i64> %splat
+}
+
+define <vscale x 8 x i64> @vsplat_nxv8i64_2() {
+; RV32V-LABEL: vsplat_nxv8i64_2:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vmv.v.i v16, 4
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vsplat_nxv8i64_2:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vmv.v.i v16, 4
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 4, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  ret <vscale x 8 x i64> %splat
+}
+
+define <vscale x 8 x i64> @vsplat_nxv8i64_3() {
+; RV32V-LABEL: vsplat_nxv8i64_3:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    addi a0, zero, 255
+; RV32V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vmv.v.x v16, a0
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vsplat_nxv8i64_3:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    addi a0, zero, 255
+; RV64V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vmv.v.x v16, a0
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 255, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  ret <vscale x 8 x i64> %splat
+}
+
+define <vscale x 8 x i64> @vsplat_nxv8i64_4() {
+; RV32V-LABEL: vsplat_nxv8i64_4:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    lui a0, 1028096
+; RV32V-NEXT:    addi a0, a0, -1281
+; RV32V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vmv.v.x v8, a0
+; RV32V-NEXT:    addi a0, zero, 32
+; RV32V-NEXT:    vsll.vx v8, v8, a0
+; RV32V-NEXT:    vsrl.vx v16, v8, a0
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vsplat_nxv8i64_4:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    addi a0, zero, 251
+; RV64V-NEXT:    slli a0, a0, 24
+; RV64V-NEXT:    addi a0, a0, -1281
+; RV64V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vmv.v.x v16, a0
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 4211079935, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  ret <vscale x 8 x i64> %splat
+}
+
+define <vscale x 8 x i64> @vsplat_nxv8i64_5(i64 %a) {
+; RV32V-LABEL: vsplat_nxv8i64_5:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    vsetvli a2, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vmv.v.x v8, a1
+; RV32V-NEXT:    addi a1, zero, 32
+; RV32V-NEXT:    vsll.vx v8, v8, a1
+; RV32V-NEXT:    vmv.v.x v16, a0
+; RV32V-NEXT:    vsll.vx v16, v16, a1
+; RV32V-NEXT:    vsrl.vx v16, v16, a1
+; RV32V-NEXT:    vor.vv v16, v16, v8
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vsplat_nxv8i64_5:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vmv.v.x v16, a0
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %a, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  ret <vscale x 8 x i64> %splat
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_6(<vscale x 8 x i64> %v) {
+; RV32V-LABEL: vadd_vx_nxv8i64_6:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vadd.vi v16, v16, 2
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vadd_vx_nxv8i64_6:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vadd.vi v16, v16, 2
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 2, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vret = add <vscale x 8 x i64> %v, %splat
+  ret <vscale x 8 x i64> %vret
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_7(<vscale x 8 x i64> %v) {
+; RV32V-LABEL: vadd_vx_nxv8i64_7:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vadd.vi v16, v16, -1
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vadd_vx_nxv8i64_7:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vadd.vi v16, v16, -1
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 -1, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vret = add <vscale x 8 x i64> %v, %splat
+  ret <vscale x 8 x i64> %vret
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_8(<vscale x 8 x i64> %v) {
+; RV32V-LABEL: vadd_vx_nxv8i64_8:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    addi a0, zero, 255
+; RV32V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vadd.vx v16, v16, a0
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vadd_vx_nxv8i64_8:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    addi a0, zero, 255
+; RV64V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vadd.vx v16, v16, a0
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 255, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vret = add <vscale x 8 x i64> %v, %splat
+  ret <vscale x 8 x i64> %vret
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_9(<vscale x 8 x i64> %v) {
+; RV32V-LABEL: vadd_vx_nxv8i64_9:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    lui a0, 503808
+; RV32V-NEXT:    addi a0, a0, -1281
+; RV32V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vadd.vx v16, v16, a0
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vadd_vx_nxv8i64_9:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    lui a0, 503808
+; RV64V-NEXT:    addiw a0, a0, -1281
+; RV64V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vadd.vx v16, v16, a0
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 2063596287, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vret = add <vscale x 8 x i64> %v, %splat
+  ret <vscale x 8 x i64> %vret
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_10(<vscale x 8 x i64> %v) {
+; RV32V-LABEL: vadd_vx_nxv8i64_10:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    lui a0, 1028096
+; RV32V-NEXT:    addi a0, a0, -1281
+; RV32V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vmv.v.x v8, a0
+; RV32V-NEXT:    addi a0, zero, 32
+; RV32V-NEXT:    vsll.vx v8, v8, a0
+; RV32V-NEXT:    vsrl.vx v8, v8, a0
+; RV32V-NEXT:    vadd.vv v16, v16, v8
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vadd_vx_nxv8i64_10:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    addi a0, zero, 251
+; RV64V-NEXT:    slli a0, a0, 24
+; RV64V-NEXT:    addi a0, a0, -1281
+; RV64V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vadd.vx v16, v16, a0
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 4211079935, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vret = add <vscale x 8 x i64> %v, %splat
+  ret <vscale x 8 x i64> %vret
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_11(<vscale x 8 x i64> %v) {
+; RV32V-LABEL: vadd_vx_nxv8i64_11:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vmv.v.i v8, 1
+; RV32V-NEXT:    addi a0, zero, 32
+; RV32V-NEXT:    vsll.vx v8, v8, a0
+; RV32V-NEXT:    lui a1, 1028096
+; RV32V-NEXT:    addi a1, a1, -1281
+; RV32V-NEXT:    vmv.v.x v24, a1
+; RV32V-NEXT:    vsll.vx v24, v24, a0
+; RV32V-NEXT:    vsrl.vx v24, v24, a0
+; RV32V-NEXT:    vor.vv v8, v24, v8
+; RV32V-NEXT:    vadd.vv v16, v16, v8
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vadd_vx_nxv8i64_11:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    addi a0, zero, 507
+; RV64V-NEXT:    slli a0, a0, 24
+; RV64V-NEXT:    addi a0, a0, -1281
+; RV64V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vadd.vx v16, v16, a0
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 8506047231, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vret = add <vscale x 8 x i64> %v, %splat
+  ret <vscale x 8 x i64> %vret
+}
+
+define <vscale x 8 x i64> @vadd_vx_nxv8i64_12(<vscale x 8 x i64> %v, i64 %a) {
+; RV32V-LABEL: vadd_vx_nxv8i64_12:
+; RV32V:       # %bb.0:
+; RV32V-NEXT:    vsetvli a2, zero, e64,m8,ta,mu
+; RV32V-NEXT:    vmv.v.x v8, a1
+; RV32V-NEXT:    addi a1, zero, 32
+; RV32V-NEXT:    vsll.vx v8, v8, a1
+; RV32V-NEXT:    vmv.v.x v24, a0
+; RV32V-NEXT:    vsll.vx v24, v24, a1
+; RV32V-NEXT:    vsrl.vx v24, v24, a1
+; RV32V-NEXT:    vor.vv v8, v24, v8
+; RV32V-NEXT:    vadd.vv v16, v16, v8
+; RV32V-NEXT:    ret
+;
+; RV64V-LABEL: vadd_vx_nxv8i64_12:
+; RV64V:       # %bb.0:
+; RV64V-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; RV64V-NEXT:    vadd.vx v16, v16, a0
+; RV64V-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %a, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vret = add <vscale x 8 x i64> %v, %splat
+  ret <vscale x 8 x i64> %vret
+}
diff --git a/llvm/test/CodeGen/RISCV/rvv/vsrl-sdnode-rv32.ll b/llvm/test/CodeGen/RISCV/rvv/vsrl-sdnode-rv32.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vsrl-sdnode-rv32.ll
@@ -0,0 +1,845 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv32 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x i8> @vsrl_vx_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vsrl_vx_nxv1i8_0(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vsrl_vx_nxv1i8_1(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vsrl_vx_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vsrl_vx_nxv2i8_0(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vsrl_vx_nxv2i8_1(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vsrl_vx_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vsrl_vx_nxv4i8_0(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vsrl_vx_nxv4i8_1(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vsrl_vx_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vsrl_vx_nxv8i8_0(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vsrl_vx_nxv8i8_1(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vsrl_vx_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vsrl_vx_nxv16i8_0(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vsrl_vx_nxv16i8_1(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vsrl_vx_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vsrl_vx_nxv32i8_0(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv32i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vsrl_vx_nxv32i8_1(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv32i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vsrl_vx_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = lshr <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vsrl_vx_nxv64i8_0(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv64i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = lshr <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vsrl_vx_nxv64i8_1(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv64i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = lshr <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vsrl_vx_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vsrl_vx_nxv1i16_0(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vsrl_vx_nxv1i16_1(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vsrl_vx_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vsrl_vx_nxv2i16_0(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vsrl_vx_nxv2i16_1(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vsrl_vx_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vsrl_vx_nxv4i16_0(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vsrl_vx_nxv4i16_1(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vsrl_vx_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vsrl_vx_nxv8i16_0(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vsrl_vx_nxv8i16_1(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vsrl_vx_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vsrl_vx_nxv16i16_0(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vsrl_vx_nxv16i16_1(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vsrl_vx_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vsrl_vx_nxv32i16_0(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv32i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vsrl_vx_nxv32i16_1(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv32i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vsrl_vx_nxv1i32(<vscale x 1 x i32> %va, i32 %b) {
+; CHECK-LABEL: vsrl_vx_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vsrl_vx_nxv1i32_0(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vsrl_vx_nxv1i32_1(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vsrl_vx_nxv2i32(<vscale x 2 x i32> %va, i32 %b) {
+; CHECK-LABEL: vsrl_vx_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vsrl_vx_nxv2i32_0(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vsrl_vx_nxv2i32_1(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vsrl_vx_nxv4i32(<vscale x 4 x i32> %va, i32 %b) {
+; CHECK-LABEL: vsrl_vx_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vsrl_vx_nxv4i32_0(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vsrl_vx_nxv4i32_1(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vsrl_vx_nxv8i32(<vscale x 8 x i32> %va, i32 %b) {
+; CHECK-LABEL: vsrl_vx_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vsrl_vx_nxv8i32_0(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vsrl_vx_nxv8i32_1(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vsrl_vx_nxv16i32(<vscale x 16 x i32> %va, i32 %b) {
+; CHECK-LABEL: vsrl_vx_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vsrl_vx_nxv16i32_0(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vsrl_vx_nxv16i32_1(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vsrl_vx_nxv1i64(<vscale x 1 x i64> %va, i64 %b) {
+; CHECK-LABEL: vsrl_vx_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmv.v.x v25, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v25, v25, a1
+; CHECK-NEXT:    vmv.v.x v26, a0
+; CHECK-NEXT:    vsll.vx v26, v26, a1
+; CHECK-NEXT:    vsrl.vx v26, v26, a1
+; CHECK-NEXT:    vor.vv v25, v26, v25
+; CHECK-NEXT:    vsrl.vv v16, v16, v25
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vsrl_vx_nxv1i64_0(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vsrl_vx_nxv1i64_1(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vsrl_vx_nxv2i64(<vscale x 2 x i64> %va, i64 %b) {
+; CHECK-LABEL: vsrl_vx_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmv.v.x v26, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v26, v26, a1
+; CHECK-NEXT:    vmv.v.x v28, a0
+; CHECK-NEXT:    vsll.vx v28, v28, a1
+; CHECK-NEXT:    vsrl.vx v28, v28, a1
+; CHECK-NEXT:    vor.vv v26, v28, v26
+; CHECK-NEXT:    vsrl.vv v16, v16, v26
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vsrl_vx_nxv2i64_0(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vsrl_vx_nxv2i64_1(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vsrl_vx_nxv4i64(<vscale x 4 x i64> %va, i64 %b) {
+; CHECK-LABEL: vsrl_vx_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmv.v.x v28, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v28, v28, a1
+; CHECK-NEXT:    vmv.v.x v8, a0
+; CHECK-NEXT:    vsll.vx v8, v8, a1
+; CHECK-NEXT:    vsrl.vx v8, v8, a1
+; CHECK-NEXT:    vor.vv v28, v8, v28
+; CHECK-NEXT:    vsrl.vv v16, v16, v28
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vsrl_vx_nxv4i64_0(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vsrl_vx_nxv4i64_1(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vsrl_vx_nxv8i64(<vscale x 8 x i64> %va, i64 %b) {
+; CHECK-LABEL: vsrl_vx_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a2, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vmv.v.x v8, a1
+; CHECK-NEXT:    addi a1, zero, 32
+; CHECK-NEXT:    vsll.vx v8, v8, a1
+; CHECK-NEXT:    vmv.v.x v24, a0
+; CHECK-NEXT:    vsll.vx v24, v24, a1
+; CHECK-NEXT:    vsrl.vx v24, v24, a1
+; CHECK-NEXT:    vor.vv v8, v24, v8
+; CHECK-NEXT:    vsrl.vv v16, v16, v8
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vsrl_vx_nxv8i64_0(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vsrl_vx_nxv8i64_1(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
diff --git a/llvm/test/CodeGen/RISCV/rvv/vsrl-sdnode-rv64.ll b/llvm/test/CodeGen/RISCV/rvv/vsrl-sdnode-rv64.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vsrl-sdnode-rv64.ll
@@ -0,0 +1,817 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv64 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x i8> @vsrl_vx_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vsrl_vx_nxv1i8_0(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vsrl_vx_nxv1i8_1(<vscale x 1 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i8> %va, %splat
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vsrl_vx_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vsrl_vx_nxv2i8_0(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vsrl_vx_nxv2i8_1(<vscale x 2 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i8> %va, %splat
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vsrl_vx_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vsrl_vx_nxv4i8_0(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vsrl_vx_nxv4i8_1(<vscale x 4 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i8> %va, %splat
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vsrl_vx_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vsrl_vx_nxv8i8_0(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vsrl_vx_nxv8i8_1(<vscale x 8 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i8> %va, %splat
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vsrl_vx_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vsrl_vx_nxv16i8_0(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vsrl_vx_nxv16i8_1(<vscale x 16 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i8> %va, %splat
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vsrl_vx_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vsrl_vx_nxv32i8_0(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv32i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vsrl_vx_nxv32i8_1(<vscale x 32 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv32i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i8> %va, %splat
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vsrl_vx_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 %b, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = lshr <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vsrl_vx_nxv64i8_0(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv64i8_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 31, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = lshr <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vsrl_vx_nxv64i8_1(<vscale x 64 x i8> %va) {
+; CHECK-LABEL: vsrl_vx_nxv64i8_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 32, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = lshr <vscale x 64 x i8> %va, %splat
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vsrl_vx_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vsrl_vx_nxv1i16_0(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vsrl_vx_nxv1i16_1(<vscale x 1 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i16> %va, %splat
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vsrl_vx_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vsrl_vx_nxv2i16_0(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vsrl_vx_nxv2i16_1(<vscale x 2 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i16> %va, %splat
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vsrl_vx_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vsrl_vx_nxv4i16_0(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vsrl_vx_nxv4i16_1(<vscale x 4 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i16> %va, %splat
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vsrl_vx_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vsrl_vx_nxv8i16_0(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vsrl_vx_nxv8i16_1(<vscale x 8 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i16> %va, %splat
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vsrl_vx_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vsrl_vx_nxv16i16_0(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vsrl_vx_nxv16i16_1(<vscale x 16 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i16> %va, %splat
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vsrl_vx_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 %b, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vsrl_vx_nxv32i16_0(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv32i16_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 31, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vsrl_vx_nxv32i16_1(<vscale x 32 x i16> %va) {
+; CHECK-LABEL: vsrl_vx_nxv32i16_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 32, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = lshr <vscale x 32 x i16> %va, %splat
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vsrl_vx_nxv1i32(<vscale x 1 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vsrl_vx_nxv1i32_0(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vsrl_vx_nxv1i32_1(<vscale x 1 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i32> %va, %splat
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vsrl_vx_nxv2i32(<vscale x 2 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vsrl_vx_nxv2i32_0(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vsrl_vx_nxv2i32_1(<vscale x 2 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i32> %va, %splat
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vsrl_vx_nxv4i32(<vscale x 4 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vsrl_vx_nxv4i32_0(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vsrl_vx_nxv4i32_1(<vscale x 4 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i32> %va, %splat
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vsrl_vx_nxv8i32(<vscale x 8 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vsrl_vx_nxv8i32_0(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vsrl_vx_nxv8i32_1(<vscale x 8 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i32> %va, %splat
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vsrl_vx_nxv16i32(<vscale x 16 x i32> %va, i32 signext %b) {
+; CHECK-LABEL: vsrl_vx_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 %b, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vsrl_vx_nxv16i32_0(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i32_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 31, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vsrl_vx_nxv16i32_1(<vscale x 16 x i32> %va) {
+; CHECK-LABEL: vsrl_vx_nxv16i32_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 32, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = lshr <vscale x 16 x i32> %va, %splat
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vsrl_vx_nxv1i64(<vscale x 1 x i64> %va, i64 %b) {
+; CHECK-LABEL: vsrl_vx_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vsrl_vx_nxv1i64_0(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vsrl_vx_nxv1i64_1(<vscale x 1 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv1i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = lshr <vscale x 1 x i64> %va, %splat
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vsrl_vx_nxv2i64(<vscale x 2 x i64> %va, i64 %b) {
+; CHECK-LABEL: vsrl_vx_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vsrl_vx_nxv2i64_0(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vsrl_vx_nxv2i64_1(<vscale x 2 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv2i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = lshr <vscale x 2 x i64> %va, %splat
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vsrl_vx_nxv4i64(<vscale x 4 x i64> %va, i64 %b) {
+; CHECK-LABEL: vsrl_vx_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vsrl_vx_nxv4i64_0(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vsrl_vx_nxv4i64_1(<vscale x 4 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv4i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = lshr <vscale x 4 x i64> %va, %splat
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vsrl_vx_nxv8i64(<vscale x 8 x i64> %va, i64 %b) {
+; CHECK-LABEL: vsrl_vx_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 %b, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vsrl_vx_nxv8i64_0(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i64_0:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsrl.vi v16, v16, 31
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 31, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vsrl_vx_nxv8i64_1(<vscale x 8 x i64> %va) {
+; CHECK-LABEL: vsrl_vx_nxv8i64_1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, zero, 32
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vsrl.vx v16, v16, a0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 32, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = lshr <vscale x 8 x i64> %va, %splat
+  ret <vscale x 8 x i64> %vc
+}
+