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
@@ -47,6 +47,22 @@
        I != E;) {
     SDNode *N = &*I++; // Preincrement iterator to avoid invalidation issues.
 
+    // Convert integer SPLAT_VECTOR to VFMV_V_F_VL to reduce isel burden.
+    if (N->getOpcode() == ISD::SPLAT_VECTOR &&
+        N->getSimpleValueType(0).isInteger()) {
+      MVT VT = N->getSimpleValueType(0);
+      SDLoc DL(N);
+      SDValue VL = CurDAG->getTargetConstant(RISCV::VLMaxSentinel, DL,
+                                             Subtarget->getXLenVT());
+      SDValue Result = CurDAG->getNode(RISCVISD::VMV_V_X_VL, DL, VT, N->getOperand(0), VL);
+
+      --I;
+      CurDAG->ReplaceAllUsesOfValueWith(SDValue(N, 0), Result);
+      ++I;
+      CurDAG->DeleteNode(N);
+      continue;
+    }
+
     // Lower SPLAT_VECTOR_SPLIT_I64 to two scalar stores and a stride 0 vector
     // load. Done after lowering and combining so that we have a chance to
     // optimize this to VMV_V_X_VL when the upper bits aren't needed.
@@ -1879,8 +1895,7 @@
 }
 
 bool RISCVDAGToDAGISel::selectVSplat(SDValue N, SDValue &SplatVal) {
-  if (N.getOpcode() != ISD::SPLAT_VECTOR &&
-      N.getOpcode() != RISCVISD::VMV_V_X_VL)
+  if (N.getOpcode() != RISCVISD::VMV_V_X_VL)
     return false;
   SplatVal = N.getOperand(0);
   return true;
@@ -1892,14 +1907,13 @@
                                    SelectionDAG &DAG,
                                    const RISCVSubtarget &Subtarget,
                                    ValidateFn ValidateImm) {
-  if ((N.getOpcode() != ISD::SPLAT_VECTOR &&
-       N.getOpcode() != RISCVISD::VMV_V_X_VL) ||
+  if (N.getOpcode() != RISCVISD::VMV_V_X_VL ||
       !isa<ConstantSDNode>(N.getOperand(0)))
     return false;
 
   int64_t SplatImm = cast<ConstantSDNode>(N.getOperand(0))->getSExtValue();
 
-  // ISD::SPLAT_VECTOR, RISCVISD::VMV_V_X_VL share semantics when the operand
+  // The semantics of RISCVISD::VMV_V_X_VL is that when the operand
   // type is wider than the resulting vector element type: an implicit
   // truncation first takes place. Therefore, perform a manual
   // truncation/sign-extension in order to ignore any truncated bits and catch
@@ -1940,8 +1954,7 @@
 }
 
 bool RISCVDAGToDAGISel::selectVSplatUimm5(SDValue N, SDValue &SplatVal) {
-  if ((N.getOpcode() != ISD::SPLAT_VECTOR &&
-       N.getOpcode() != RISCVISD::VMV_V_X_VL) ||
+  if (N.getOpcode() != RISCVISD::VMV_V_X_VL ||
       !isa<ConstantSDNode>(N.getOperand(0)))
     return false;
 
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td b/llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
@@ -399,7 +399,7 @@
                  vti.Vti.RegClass:$rs2, vti.Vti.RegClass:$rs1,
                  vti.Vti.AVL, vti.Vti.Log2SEW)>;
     def : Pat<(op (vti.Wti.Vector (fpext_oneuse (vti.Vti.Vector vti.Vti.RegClass:$rs2))),
-                  (vti.Wti.Vector (fpext_oneuse (vti.Vti.Vector (SplatPat vti.Vti.ScalarRegClass:$rs1))))),
+                  (vti.Wti.Vector (fpext_oneuse (vti.Vti.Vector (splat_vector vti.Vti.ScalarRegClass:$rs1))))),
               (!cast<Instruction>(instruction_name#"_V"#vti.Vti.ScalarSuffix#"_"#vti.Vti.LMul.MX)
                  vti.Vti.RegClass:$rs2, vti.Vti.ScalarRegClass:$rs1,
                  vti.Vti.AVL, vti.Vti.Log2SEW)>;
@@ -414,7 +414,7 @@
                  vti.Wti.RegClass:$rs2, vti.Vti.RegClass:$rs1,
                  vti.Vti.AVL, vti.Vti.Log2SEW)>;
     def : Pat<(op (vti.Wti.Vector vti.Wti.RegClass:$rs2),
-                  (vti.Wti.Vector (fpext_oneuse (vti.Vti.Vector (SplatPat vti.Vti.ScalarRegClass:$rs1))))),
+                  (vti.Wti.Vector (fpext_oneuse (vti.Vti.Vector (splat_vector vti.Vti.ScalarRegClass:$rs1))))),
               (!cast<Instruction>(instruction_name#"_W"#vti.Vti.ScalarSuffix#"_"#vti.Vti.LMul.MX)
                  vti.Wti.RegClass:$rs2, vti.Vti.ScalarRegClass:$rs1,
                  vti.Vti.AVL, vti.Vti.Log2SEW)>;
@@ -497,12 +497,6 @@
 
 foreach vti = AllIntegerVectors in {
   // Emit shift by 1 as an add since it might be faster.
-  def : Pat<(shl (vti.Vector vti.RegClass:$rs1),
-                 (vti.Vector (splat_vector (XLenVT 1)))),
-            (!cast<Instruction>("PseudoVADD_VV_"# vti.LMul.MX)
-                 vti.RegClass:$rs1, vti.RegClass:$rs1, vti.AVL, vti.Log2SEW)>;
-}
-foreach vti = [VI64M1, VI64M2, VI64M4, VI64M8] in {
   def : Pat<(shl (vti.Vector vti.RegClass:$rs1),
                  (vti.Vector (riscv_vmv_v_x_vl 1, (XLenVT srcvalue)))),
             (!cast<Instruction>("PseudoVADD_VV_"# vti.LMul.MX)
@@ -851,17 +845,6 @@
 // Vector Splats
 //===----------------------------------------------------------------------===//
 
-let Predicates = [HasVInstructions] in {
-foreach vti = AllIntegerVectors in {
-  def : Pat<(vti.Vector (SplatPat GPR:$rs1)),
-            (!cast<Instruction>("PseudoVMV_V_X_" # vti.LMul.MX)
-              GPR:$rs1, vti.AVL, vti.Log2SEW)>;
-  def : Pat<(vti.Vector (SplatPat_simm5 simm5:$rs1)),
-            (!cast<Instruction>("PseudoVMV_V_I_" # vti.LMul.MX)
-              simm5:$rs1, vti.AVL, vti.Log2SEW)>;
-}
-} // Predicates = [HasVInstructions]
-
 let Predicates = [HasVInstructionsAnyF] in {
 foreach fvti = AllFloatVectors in {
   def : Pat<(fvti.Vector (splat_vector fvti.ScalarRegClass:$rs1)),
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td b/llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
@@ -279,15 +279,13 @@
   def rvv_vecreduce_#kind#_vl : SDNode<"RISCVISD::VECREDUCE_"#kind#"_VL", SDTRVVVecReduce>;
 
 // Give explicit Complexity to prefer simm5/uimm5.
-def SplatPat       : ComplexPattern<vAny, 1, "selectVSplat",      [splat_vector], [], 1>;
-def SplatPat_simm5 : ComplexPattern<vAny, 1, "selectVSplatSimm5", [splat_vector], [], 2>;
-def SplatPat_uimm5 : ComplexPattern<vAny, 1, "selectVSplatUimm5", [splat_vector], [], 2>;
+def SplatPat       : ComplexPattern<vAny, 1, "selectVSplat",      [], [], 1>;
+def SplatPat_simm5 : ComplexPattern<vAny, 1, "selectVSplatSimm5", [], [], 2>;
+def SplatPat_uimm5 : ComplexPattern<vAny, 1, "selectVSplatUimm5", [], [], 2>;
 def SplatPat_simm5_plus1
-    : ComplexPattern<vAny, 1, "selectVSplatSimm5Plus1",
-                     [splat_vector], [], 2>;
+    : ComplexPattern<vAny, 1, "selectVSplatSimm5Plus1", [], [], 2>;
 def SplatPat_simm5_plus1_nonzero
-    : ComplexPattern<vAny, 1, "selectVSplatSimm5Plus1NonZero",
-                     [splat_vector], [], 2>;
+    : ComplexPattern<vAny, 1, "selectVSplatSimm5Plus1NonZero", [], [], 2>;
 
 // Ignore the vl operand.
 def SplatFPOp : PatFrag<(ops node:$op),