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
@@ -374,6 +374,39 @@
     // We must custom-lower SPLAT_VECTOR vXi64 on RV32
     if (!Subtarget.is64Bit())
       setOperationAction(ISD::SPLAT_VECTOR, MVT::i64, Custom);
+
+    ISD::CondCode VFPCCToExpand[] = {ISD::SETO,   ISD::SETONE, ISD::SETUEQ,
+                                     ISD::SETUGT, ISD::SETUGE, ISD::SETULT,
+                                     ISD::SETULE, ISD::SETUO};
+
+    if (Subtarget.hasStdExtZfh()) {
+      for (auto VT : {RISCVVMVTs::vfloat16mf4_t, RISCVVMVTs::vfloat16mf2_t,
+                      RISCVVMVTs::vfloat16m1_t, RISCVVMVTs::vfloat16m2_t,
+                      RISCVVMVTs::vfloat16m4_t, RISCVVMVTs::vfloat16m8_t}) {
+        setOperationAction(ISD::SPLAT_VECTOR, VT, Legal);
+        for (auto CC : VFPCCToExpand)
+          setCondCodeAction(CC, VT, Expand);
+      }
+    }
+
+    if (Subtarget.hasStdExtF()) {
+      for (auto VT : {RISCVVMVTs::vfloat32mf2_t, RISCVVMVTs::vfloat32m1_t,
+                      RISCVVMVTs::vfloat32m2_t, RISCVVMVTs::vfloat32m4_t,
+                      RISCVVMVTs::vfloat32m8_t}) {
+        setOperationAction(ISD::SPLAT_VECTOR, VT, Legal);
+        for (auto CC : VFPCCToExpand)
+          setCondCodeAction(CC, VT, Expand);
+      }
+    }
+
+    if (Subtarget.hasStdExtD()) {
+      for (auto VT : {RISCVVMVTs::vfloat64m1_t, RISCVVMVTs::vfloat64m2_t,
+                      RISCVVMVTs::vfloat64m4_t, RISCVVMVTs::vfloat64m8_t}) {
+        setOperationAction(ISD::SPLAT_VECTOR, VT, Legal);
+        for (auto CC : VFPCCToExpand)
+          setCondCodeAction(CC, VT, Expand);
+      }
+    }
   }
 
   // Function alignments.
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
@@ -186,6 +186,24 @@
 defm "" : VPatBinarySDNode_VV_VX<urem, "PseudoVREMU">;
 defm "" : VPatBinarySDNode_VV_VX<srem, "PseudoVREM">;
 
+// 12.16. Vector Integer Merge Instructions
+foreach vti = AllIntegerVectors in {
+  def : Pat<(vti.Vector (vselect (vti.Mask VMV0:$vm), vti.RegClass:$rs1,
+                                                      vti.RegClass:$rs2)),
+            (!cast<Instruction>("PseudoVMERGE_VVM_"#vti.LMul.MX)
+                 vti.RegClass:$rs2, vti.RegClass:$rs1, VMV0:$vm, VLMax, vti.SEW)>;
+
+  def : Pat<(vti.Vector (vselect (vti.Mask VMV0:$vm), (SplatPat XLenVT:$rs1),
+                                                      vti.RegClass:$rs2)),
+            (!cast<Instruction>("PseudoVMERGE_VXM_"#vti.LMul.MX)
+                 vti.RegClass:$rs2, GPR:$rs1, VMV0:$vm, VLMax, vti.SEW)>;
+
+  def : Pat<(vti.Vector (vselect (vti.Mask VMV0:$vm), (SplatPat_simm5 simm5:$rs1),
+                                                      vti.RegClass:$rs2)),
+            (!cast<Instruction>("PseudoVMERGE_VIM_"#vti.LMul.MX)
+                 vti.RegClass:$rs2, simm5:$rs1, VMV0:$vm, VLMax, vti.SEW)>;
+}
+
 // 16.1. Vector Mask-Register Logical Instructions
 foreach mti = AllMasks in {
   def : Pat<(mti.Mask (and VR:$rs1, VR:$rs2)),
@@ -218,6 +236,27 @@
 
 } // Predicates = [HasStdExtV]
 
+let Predicates = [HasStdExtV, HasStdExtF] in {
+// Floating-point vselects:
+// 12.16. Vector Integer Merge Instructions
+// 14.13. Vector Floating-Point Merge Instruction
+foreach fvti = AllFloatVectors in {
+  def : Pat<(fvti.Vector (vselect (fvti.Mask VMV0:$vm), fvti.RegClass:$rs1,
+                                                        fvti.RegClass:$rs2)),
+            (!cast<Instruction>("PseudoVMERGE_VVM_"#fvti.LMul.MX)
+                 fvti.RegClass:$rs2, fvti.RegClass:$rs1, VMV0:$vm,
+                 VLMax, fvti.SEW)>;
+
+  def : Pat<(fvti.Vector (vselect (fvti.Mask VMV0:$vm),
+                                  (splat_vector fvti.ScalarRegClass:$rs1),
+                                  fvti.RegClass:$rs2)),
+            (!cast<Instruction>("PseudoVFMERGE_VFM_"#fvti.LMul.MX)
+                 fvti.RegClass:$rs2,
+                 ToFPR32<fvti.Scalar, fvti.ScalarRegClass, "rs1">.ret,
+                 VMV0:$vm, VLMax, fvti.SEW)>;
+}
+} // Predicates = [HasStdExtV, HasStdExtF]
+
 //===----------------------------------------------------------------------===//
 // Vector Splats
 //===----------------------------------------------------------------------===//
diff --git a/llvm/test/CodeGen/RISCV/rvv/vselect-fp-rv32.ll b/llvm/test/CodeGen/RISCV/rvv/vselect-fp-rv32.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vselect-fp-rv32.ll
@@ -0,0 +1,343 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv32 -mattr=+d,+experimental-zfh,+experimental-v -target-abi=ilp32d \
+; RUN:     -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x half> @vfmerge_vv_nxv1f16(<vscale x 1 x half> %va, <vscale x 1 x half> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv1f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x half> %va, <vscale x 1 x half> %vb
+  ret <vscale x 1 x half> %vc
+}
+
+define <vscale x 1 x half> @vfmerge_fv_nxv1f16(<vscale x 1 x half> %va, half %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv1f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 1 x half> %head, <vscale x 1 x half> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x half> %splat, <vscale x 1 x half> %va
+  ret <vscale x 1 x half> %vc
+}
+
+define <vscale x 2 x half> @vfmerge_vv_nxv2f16(<vscale x 2 x half> %va, <vscale x 2 x half> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv2f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x half> %va, <vscale x 2 x half> %vb
+  ret <vscale x 2 x half> %vc
+}
+
+define <vscale x 2 x half> @vfmerge_fv_nxv2f16(<vscale x 2 x half> %va, half %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv2f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 2 x half> %head, <vscale x 2 x half> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x half> %splat, <vscale x 2 x half> %va
+  ret <vscale x 2 x half> %vc
+}
+
+define <vscale x 4 x half> @vfmerge_vv_nxv4f16(<vscale x 4 x half> %va, <vscale x 4 x half> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv4f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x half> %va, <vscale x 4 x half> %vb
+  ret <vscale x 4 x half> %vc
+}
+
+define <vscale x 4 x half> @vfmerge_fv_nxv4f16(<vscale x 4 x half> %va, half %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv4f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 4 x half> %head, <vscale x 4 x half> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x half> %splat, <vscale x 4 x half> %va
+  ret <vscale x 4 x half> %vc
+}
+
+define <vscale x 8 x half> @vfmerge_vv_nxv8f16(<vscale x 8 x half> %va, <vscale x 8 x half> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv8f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x half> %va, <vscale x 8 x half> %vb
+  ret <vscale x 8 x half> %vc
+}
+
+define <vscale x 8 x half> @vfmerge_fv_nxv8f16(<vscale x 8 x half> %va, half %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv8f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 8 x half> %head, <vscale x 8 x half> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x half> %splat, <vscale x 8 x half> %va
+  ret <vscale x 8 x half> %vc
+}
+
+define <vscale x 16 x half> @vfmerge_vv_nxv16f16(<vscale x 16 x half> %va, <vscale x 16 x half> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv16f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x half> %va, <vscale x 16 x half> %vb
+  ret <vscale x 16 x half> %vc
+}
+
+define <vscale x 16 x half> @vfmerge_fv_nxv16f16(<vscale x 16 x half> %va, half %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv16f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 16 x half> %head, <vscale x 16 x half> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x half> %splat, <vscale x 16 x half> %va
+  ret <vscale x 16 x half> %vc
+}
+
+define <vscale x 32 x half> @vfmerge_vv_nxv32f16(<vscale x 32 x half> %va, <vscale x 32 x half> %vb, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv32f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vle16.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x half> %va, <vscale x 32 x half> %vb
+  ret <vscale x 32 x half> %vc
+}
+
+define <vscale x 32 x half> @vfmerge_fv_nxv32f16(<vscale x 32 x half> %va, half %b, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv32f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 32 x half> %head, <vscale x 32 x half> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x half> %splat, <vscale x 32 x half> %va
+  ret <vscale x 32 x half> %vc
+}
+
+define <vscale x 1 x float> @vfmerge_vv_nxv1f32(<vscale x 1 x float> %va, <vscale x 1 x float> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv1f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x float> %va, <vscale x 1 x float> %vb
+  ret <vscale x 1 x float> %vc
+}
+
+define <vscale x 1 x float> @vfmerge_fv_nxv1f32(<vscale x 1 x float> %va, float %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv1f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 1 x float> %head, <vscale x 1 x float> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x float> %splat, <vscale x 1 x float> %va
+  ret <vscale x 1 x float> %vc
+}
+
+define <vscale x 2 x float> @vfmerge_vv_nxv2f32(<vscale x 2 x float> %va, <vscale x 2 x float> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv2f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x float> %va, <vscale x 2 x float> %vb
+  ret <vscale x 2 x float> %vc
+}
+
+define <vscale x 2 x float> @vfmerge_fv_nxv2f32(<vscale x 2 x float> %va, float %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv2f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 2 x float> %head, <vscale x 2 x float> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x float> %splat, <vscale x 2 x float> %va
+  ret <vscale x 2 x float> %vc
+}
+
+define <vscale x 4 x float> @vfmerge_vv_nxv4f32(<vscale x 4 x float> %va, <vscale x 4 x float> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv4f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x float> %va, <vscale x 4 x float> %vb
+  ret <vscale x 4 x float> %vc
+}
+
+define <vscale x 4 x float> @vfmerge_fv_nxv4f32(<vscale x 4 x float> %va, float %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv4f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 4 x float> %head, <vscale x 4 x float> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x float> %splat, <vscale x 4 x float> %va
+  ret <vscale x 4 x float> %vc
+}
+
+define <vscale x 8 x float> @vfmerge_vv_nxv8f32(<vscale x 8 x float> %va, <vscale x 8 x float> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv8f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x float> %va, <vscale x 8 x float> %vb
+  ret <vscale x 8 x float> %vc
+}
+
+define <vscale x 8 x float> @vfmerge_fv_nxv8f32(<vscale x 8 x float> %va, float %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv8f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 8 x float> %head, <vscale x 8 x float> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x float> %splat, <vscale x 8 x float> %va
+  ret <vscale x 8 x float> %vc
+}
+
+define <vscale x 16 x float> @vfmerge_vv_nxv16f32(<vscale x 16 x float> %va, <vscale x 16 x float> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv16f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vle32.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x float> %va, <vscale x 16 x float> %vb
+  ret <vscale x 16 x float> %vc
+}
+
+define <vscale x 16 x float> @vfmerge_fv_nxv16f32(<vscale x 16 x float> %va, float %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv16f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 16 x float> %head, <vscale x 16 x float> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x float> %splat, <vscale x 16 x float> %va
+  ret <vscale x 16 x float> %vc
+}
+
+define <vscale x 1 x double> @vfmerge_vv_nxv1f64(<vscale x 1 x double> %va, <vscale x 1 x double> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv1f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x double> %va, <vscale x 1 x double> %vb
+  ret <vscale x 1 x double> %vc
+}
+
+define <vscale x 1 x double> @vfmerge_fv_nxv1f64(<vscale x 1 x double> %va, double %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv1f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x double> undef, double %b, i32 0
+  %splat = shufflevector <vscale x 1 x double> %head, <vscale x 1 x double> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x double> %splat, <vscale x 1 x double> %va
+  ret <vscale x 1 x double> %vc
+}
+
+define <vscale x 2 x double> @vfmerge_vv_nxv2f64(<vscale x 2 x double> %va, <vscale x 2 x double> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv2f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x double> %va, <vscale x 2 x double> %vb
+  ret <vscale x 2 x double> %vc
+}
+
+define <vscale x 2 x double> @vfmerge_fv_nxv2f64(<vscale x 2 x double> %va, double %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv2f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x double> undef, double %b, i32 0
+  %splat = shufflevector <vscale x 2 x double> %head, <vscale x 2 x double> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x double> %splat, <vscale x 2 x double> %va
+  ret <vscale x 2 x double> %vc
+}
+
+define <vscale x 4 x double> @vfmerge_vv_nxv4f64(<vscale x 4 x double> %va, <vscale x 4 x double> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv4f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x double> %va, <vscale x 4 x double> %vb
+  ret <vscale x 4 x double> %vc
+}
+
+define <vscale x 4 x double> @vfmerge_fv_nxv4f64(<vscale x 4 x double> %va, double %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv4f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x double> undef, double %b, i32 0
+  %splat = shufflevector <vscale x 4 x double> %head, <vscale x 4 x double> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x double> %splat, <vscale x 4 x double> %va
+  ret <vscale x 4 x double> %vc
+}
+
+define <vscale x 8 x double> @vfmerge_vv_nxv8f64(<vscale x 8 x double> %va, <vscale x 8 x double> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv8f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vle64.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x double> %va, <vscale x 8 x double> %vb
+  ret <vscale x 8 x double> %vc
+}
+
+define <vscale x 8 x double> @vfmerge_fv_nxv8f64(<vscale x 8 x double> %va, double %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv8f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x double> undef, double %b, i32 0
+  %splat = shufflevector <vscale x 8 x double> %head, <vscale x 8 x double> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x double> %splat, <vscale x 8 x double> %va
+  ret <vscale x 8 x double> %vc
+}
+
diff --git a/llvm/test/CodeGen/RISCV/rvv/vselect-fp-rv64.ll b/llvm/test/CodeGen/RISCV/rvv/vselect-fp-rv64.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vselect-fp-rv64.ll
@@ -0,0 +1,343 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv64 -mattr=+d,+experimental-zfh,+experimental-v -target-abi=lp64d \
+; RUN:     -verify-machineinstrs < %s | FileCheck %s
+
+define <vscale x 1 x half> @vfmerge_vv_nxv1f16(<vscale x 1 x half> %va, <vscale x 1 x half> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv1f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x half> %va, <vscale x 1 x half> %vb
+  ret <vscale x 1 x half> %vc
+}
+
+define <vscale x 1 x half> @vfmerge_fv_nxv1f16(<vscale x 1 x half> %va, half %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv1f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 1 x half> %head, <vscale x 1 x half> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x half> %splat, <vscale x 1 x half> %va
+  ret <vscale x 1 x half> %vc
+}
+
+define <vscale x 2 x half> @vfmerge_vv_nxv2f16(<vscale x 2 x half> %va, <vscale x 2 x half> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv2f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x half> %va, <vscale x 2 x half> %vb
+  ret <vscale x 2 x half> %vc
+}
+
+define <vscale x 2 x half> @vfmerge_fv_nxv2f16(<vscale x 2 x half> %va, half %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv2f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 2 x half> %head, <vscale x 2 x half> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x half> %splat, <vscale x 2 x half> %va
+  ret <vscale x 2 x half> %vc
+}
+
+define <vscale x 4 x half> @vfmerge_vv_nxv4f16(<vscale x 4 x half> %va, <vscale x 4 x half> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv4f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x half> %va, <vscale x 4 x half> %vb
+  ret <vscale x 4 x half> %vc
+}
+
+define <vscale x 4 x half> @vfmerge_fv_nxv4f16(<vscale x 4 x half> %va, half %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv4f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 4 x half> %head, <vscale x 4 x half> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x half> %splat, <vscale x 4 x half> %va
+  ret <vscale x 4 x half> %vc
+}
+
+define <vscale x 8 x half> @vfmerge_vv_nxv8f16(<vscale x 8 x half> %va, <vscale x 8 x half> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv8f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x half> %va, <vscale x 8 x half> %vb
+  ret <vscale x 8 x half> %vc
+}
+
+define <vscale x 8 x half> @vfmerge_fv_nxv8f16(<vscale x 8 x half> %va, half %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv8f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 8 x half> %head, <vscale x 8 x half> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x half> %splat, <vscale x 8 x half> %va
+  ret <vscale x 8 x half> %vc
+}
+
+define <vscale x 16 x half> @vfmerge_vv_nxv16f16(<vscale x 16 x half> %va, <vscale x 16 x half> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv16f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x half> %va, <vscale x 16 x half> %vb
+  ret <vscale x 16 x half> %vc
+}
+
+define <vscale x 16 x half> @vfmerge_fv_nxv16f16(<vscale x 16 x half> %va, half %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv16f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 16 x half> %head, <vscale x 16 x half> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x half> %splat, <vscale x 16 x half> %va
+  ret <vscale x 16 x half> %vc
+}
+
+define <vscale x 32 x half> @vfmerge_vv_nxv32f16(<vscale x 32 x half> %va, <vscale x 32 x half> %vb, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv32f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vle16.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x half> %va, <vscale x 32 x half> %vb
+  ret <vscale x 32 x half> %vc
+}
+
+define <vscale x 32 x half> @vfmerge_fv_nxv32f16(<vscale x 32 x half> %va, half %b, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv32f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    # kill: def $f10_h killed $f10_h def $f10_f
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x half> undef, half %b, i32 0
+  %splat = shufflevector <vscale x 32 x half> %head, <vscale x 32 x half> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x half> %splat, <vscale x 32 x half> %va
+  ret <vscale x 32 x half> %vc
+}
+
+define <vscale x 1 x float> @vfmerge_vv_nxv1f32(<vscale x 1 x float> %va, <vscale x 1 x float> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv1f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x float> %va, <vscale x 1 x float> %vb
+  ret <vscale x 1 x float> %vc
+}
+
+define <vscale x 1 x float> @vfmerge_fv_nxv1f32(<vscale x 1 x float> %va, float %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv1f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 1 x float> %head, <vscale x 1 x float> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x float> %splat, <vscale x 1 x float> %va
+  ret <vscale x 1 x float> %vc
+}
+
+define <vscale x 2 x float> @vfmerge_vv_nxv2f32(<vscale x 2 x float> %va, <vscale x 2 x float> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv2f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x float> %va, <vscale x 2 x float> %vb
+  ret <vscale x 2 x float> %vc
+}
+
+define <vscale x 2 x float> @vfmerge_fv_nxv2f32(<vscale x 2 x float> %va, float %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv2f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 2 x float> %head, <vscale x 2 x float> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x float> %splat, <vscale x 2 x float> %va
+  ret <vscale x 2 x float> %vc
+}
+
+define <vscale x 4 x float> @vfmerge_vv_nxv4f32(<vscale x 4 x float> %va, <vscale x 4 x float> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv4f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x float> %va, <vscale x 4 x float> %vb
+  ret <vscale x 4 x float> %vc
+}
+
+define <vscale x 4 x float> @vfmerge_fv_nxv4f32(<vscale x 4 x float> %va, float %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv4f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 4 x float> %head, <vscale x 4 x float> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x float> %splat, <vscale x 4 x float> %va
+  ret <vscale x 4 x float> %vc
+}
+
+define <vscale x 8 x float> @vfmerge_vv_nxv8f32(<vscale x 8 x float> %va, <vscale x 8 x float> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv8f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x float> %va, <vscale x 8 x float> %vb
+  ret <vscale x 8 x float> %vc
+}
+
+define <vscale x 8 x float> @vfmerge_fv_nxv8f32(<vscale x 8 x float> %va, float %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv8f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 8 x float> %head, <vscale x 8 x float> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x float> %splat, <vscale x 8 x float> %va
+  ret <vscale x 8 x float> %vc
+}
+
+define <vscale x 16 x float> @vfmerge_vv_nxv16f32(<vscale x 16 x float> %va, <vscale x 16 x float> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv16f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vle32.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x float> %va, <vscale x 16 x float> %vb
+  ret <vscale x 16 x float> %vc
+}
+
+define <vscale x 16 x float> @vfmerge_fv_nxv16f32(<vscale x 16 x float> %va, float %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv16f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x float> undef, float %b, i32 0
+  %splat = shufflevector <vscale x 16 x float> %head, <vscale x 16 x float> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x float> %splat, <vscale x 16 x float> %va
+  ret <vscale x 16 x float> %vc
+}
+
+define <vscale x 1 x double> @vfmerge_vv_nxv1f64(<vscale x 1 x double> %va, <vscale x 1 x double> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv1f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x double> %va, <vscale x 1 x double> %vb
+  ret <vscale x 1 x double> %vc
+}
+
+define <vscale x 1 x double> @vfmerge_fv_nxv1f64(<vscale x 1 x double> %va, double %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv1f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x double> undef, double %b, i32 0
+  %splat = shufflevector <vscale x 1 x double> %head, <vscale x 1 x double> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x double> %splat, <vscale x 1 x double> %va
+  ret <vscale x 1 x double> %vc
+}
+
+define <vscale x 2 x double> @vfmerge_vv_nxv2f64(<vscale x 2 x double> %va, <vscale x 2 x double> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv2f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x double> %va, <vscale x 2 x double> %vb
+  ret <vscale x 2 x double> %vc
+}
+
+define <vscale x 2 x double> @vfmerge_fv_nxv2f64(<vscale x 2 x double> %va, double %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv2f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x double> undef, double %b, i32 0
+  %splat = shufflevector <vscale x 2 x double> %head, <vscale x 2 x double> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x double> %splat, <vscale x 2 x double> %va
+  ret <vscale x 2 x double> %vc
+}
+
+define <vscale x 4 x double> @vfmerge_vv_nxv4f64(<vscale x 4 x double> %va, <vscale x 4 x double> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv4f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x double> %va, <vscale x 4 x double> %vb
+  ret <vscale x 4 x double> %vc
+}
+
+define <vscale x 4 x double> @vfmerge_fv_nxv4f64(<vscale x 4 x double> %va, double %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv4f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x double> undef, double %b, i32 0
+  %splat = shufflevector <vscale x 4 x double> %head, <vscale x 4 x double> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x double> %splat, <vscale x 4 x double> %va
+  ret <vscale x 4 x double> %vc
+}
+
+define <vscale x 8 x double> @vfmerge_vv_nxv8f64(<vscale x 8 x double> %va, <vscale x 8 x double> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_vv_nxv8f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vle64.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x double> %va, <vscale x 8 x double> %vb
+  ret <vscale x 8 x double> %vc
+}
+
+define <vscale x 8 x double> @vfmerge_fv_nxv8f64(<vscale x 8 x double> %va, double %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vfmerge_fv_nxv8f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vfmerge.vfm v16, v16, fa0, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x double> undef, double %b, i32 0
+  %splat = shufflevector <vscale x 8 x double> %head, <vscale x 8 x double> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x double> %splat, <vscale x 8 x double> %va
+  ret <vscale x 8 x double> %vc
+}
+
diff --git a/llvm/test/CodeGen/RISCV/rvv/vselect-int-rv32.ll b/llvm/test/CodeGen/RISCV/rvv/vselect-int-rv32.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vselect-int-rv32.ll
@@ -0,0 +1,783 @@
+; 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> @vmerge_vv_nxv1i8(<vscale x 1 x i8> %va, <vscale x 1 x i8> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i8> %va, <vscale x 1 x i8> %vb
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vmerge_xv_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 1 x i1> %cond, <vscale x 1 x i8> %splat, <vscale x 1 x i8> %va
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vmerge_iv_nxv1i8(<vscale x 1 x i8> %va, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i8> %splat, <vscale x 1 x i8> %va
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vmerge_vv_nxv2i8(<vscale x 2 x i8> %va, <vscale x 2 x i8> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i8> %va, <vscale x 2 x i8> %vb
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vmerge_xv_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 2 x i1> %cond, <vscale x 2 x i8> %splat, <vscale x 2 x i8> %va
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vmerge_iv_nxv2i8(<vscale x 2 x i8> %va, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i8> %splat, <vscale x 2 x i8> %va
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vmerge_vv_nxv4i8(<vscale x 4 x i8> %va, <vscale x 4 x i8> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i8> %va, <vscale x 4 x i8> %vb
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vmerge_xv_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 4 x i1> %cond, <vscale x 4 x i8> %splat, <vscale x 4 x i8> %va
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vmerge_iv_nxv4i8(<vscale x 4 x i8> %va, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i8> %splat, <vscale x 4 x i8> %va
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vmerge_vv_nxv8i8(<vscale x 8 x i8> %va, <vscale x 8 x i8> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i8> %va, <vscale x 8 x i8> %vb
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vmerge_xv_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 8 x i1> %cond, <vscale x 8 x i8> %splat, <vscale x 8 x i8> %va
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vmerge_iv_nxv8i8(<vscale x 8 x i8> %va, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i8> %splat, <vscale x 8 x i8> %va
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vmerge_vv_nxv16i8(<vscale x 16 x i8> %va, <vscale x 16 x i8> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i8> %va, <vscale x 16 x i8> %vb
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vmerge_xv_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 16 x i1> %cond, <vscale x 16 x i8> %splat, <vscale x 16 x i8> %va
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vmerge_iv_nxv16i8(<vscale x 16 x i8> %va, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i8> %splat, <vscale x 16 x i8> %va
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vmerge_vv_nxv32i8(<vscale x 32 x i8> %va, <vscale x 32 x i8> %vb, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x i8> %va, <vscale x 32 x i8> %vb
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vmerge_xv_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 32 x i1> %cond, <vscale x 32 x i8> %splat, <vscale x 32 x i8> %va
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vmerge_iv_nxv32i8(<vscale x 32 x i8> %va, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x i8> %splat, <vscale x 32 x i8> %va
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vmerge_vv_nxv64i8(<vscale x 64 x i8> %va, <vscale x 64 x i8> %vb, <vscale x 64 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vle8.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 64 x i1> %cond, <vscale x 64 x i8> %va, <vscale x 64 x i8> %vb
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vmerge_xv_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b, <vscale x 64 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 64 x i1> %cond, <vscale x 64 x i8> %splat, <vscale x 64 x i8> %va
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vmerge_iv_nxv64i8(<vscale x 64 x i8> %va, <vscale x 64 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = select <vscale x 64 x i1> %cond, <vscale x 64 x i8> %splat, <vscale x 64 x i8> %va
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vmerge_vv_nxv1i16(<vscale x 1 x i16> %va, <vscale x 1 x i16> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i16> %va, <vscale x 1 x i16> %vb
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vmerge_xv_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 1 x i1> %cond, <vscale x 1 x i16> %splat, <vscale x 1 x i16> %va
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vmerge_iv_nxv1i16(<vscale x 1 x i16> %va, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i16> %splat, <vscale x 1 x i16> %va
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vmerge_vv_nxv2i16(<vscale x 2 x i16> %va, <vscale x 2 x i16> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i16> %va, <vscale x 2 x i16> %vb
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vmerge_xv_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 2 x i1> %cond, <vscale x 2 x i16> %splat, <vscale x 2 x i16> %va
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vmerge_iv_nxv2i16(<vscale x 2 x i16> %va, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i16> %splat, <vscale x 2 x i16> %va
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vmerge_vv_nxv4i16(<vscale x 4 x i16> %va, <vscale x 4 x i16> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i16> %va, <vscale x 4 x i16> %vb
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vmerge_xv_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 4 x i1> %cond, <vscale x 4 x i16> %splat, <vscale x 4 x i16> %va
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vmerge_iv_nxv4i16(<vscale x 4 x i16> %va, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i16> %splat, <vscale x 4 x i16> %va
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vmerge_vv_nxv8i16(<vscale x 8 x i16> %va, <vscale x 8 x i16> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i16> %va, <vscale x 8 x i16> %vb
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vmerge_xv_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 8 x i1> %cond, <vscale x 8 x i16> %splat, <vscale x 8 x i16> %va
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vmerge_iv_nxv8i16(<vscale x 8 x i16> %va, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i16> %splat, <vscale x 8 x i16> %va
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vmerge_vv_nxv16i16(<vscale x 16 x i16> %va, <vscale x 16 x i16> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i16> %va, <vscale x 16 x i16> %vb
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vmerge_xv_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 16 x i1> %cond, <vscale x 16 x i16> %splat, <vscale x 16 x i16> %va
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vmerge_iv_nxv16i16(<vscale x 16 x i16> %va, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i16> %splat, <vscale x 16 x i16> %va
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vmerge_vv_nxv32i16(<vscale x 32 x i16> %va, <vscale x 32 x i16> %vb, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vle16.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x i16> %va, <vscale x 32 x i16> %vb
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vmerge_xv_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 32 x i1> %cond, <vscale x 32 x i16> %splat, <vscale x 32 x i16> %va
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vmerge_iv_nxv32i16(<vscale x 32 x i16> %va, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x i16> %splat, <vscale x 32 x i16> %va
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vmerge_vv_nxv1i32(<vscale x 1 x i32> %va, <vscale x 1 x i32> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i32> %va, <vscale x 1 x i32> %vb
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vmerge_xv_nxv1i32(<vscale x 1 x i32> %va, i32 %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 1 x i1> %cond, <vscale x 1 x i32> %splat, <vscale x 1 x i32> %va
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vmerge_iv_nxv1i32(<vscale x 1 x i32> %va, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i32> %splat, <vscale x 1 x i32> %va
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vmerge_vv_nxv2i32(<vscale x 2 x i32> %va, <vscale x 2 x i32> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i32> %va, <vscale x 2 x i32> %vb
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vmerge_xv_nxv2i32(<vscale x 2 x i32> %va, i32 %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 2 x i1> %cond, <vscale x 2 x i32> %splat, <vscale x 2 x i32> %va
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vmerge_iv_nxv2i32(<vscale x 2 x i32> %va, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i32> %splat, <vscale x 2 x i32> %va
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vmerge_vv_nxv4i32(<vscale x 4 x i32> %va, <vscale x 4 x i32> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i32> %va, <vscale x 4 x i32> %vb
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vmerge_xv_nxv4i32(<vscale x 4 x i32> %va, i32 %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 4 x i1> %cond, <vscale x 4 x i32> %splat, <vscale x 4 x i32> %va
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vmerge_iv_nxv4i32(<vscale x 4 x i32> %va, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i32> %splat, <vscale x 4 x i32> %va
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vmerge_vv_nxv8i32(<vscale x 8 x i32> %va, <vscale x 8 x i32> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i32> %va, <vscale x 8 x i32> %vb
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vmerge_xv_nxv8i32(<vscale x 8 x i32> %va, i32 %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 8 x i1> %cond, <vscale x 8 x i32> %splat, <vscale x 8 x i32> %va
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vmerge_iv_nxv8i32(<vscale x 8 x i32> %va, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i32> %splat, <vscale x 8 x i32> %va
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vmerge_vv_nxv16i32(<vscale x 16 x i32> %va, <vscale x 16 x i32> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vle32.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i32> %va, <vscale x 16 x i32> %vb
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vmerge_xv_nxv16i32(<vscale x 16 x i32> %va, i32 %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 16 x i1> %cond, <vscale x 16 x i32> %splat, <vscale x 16 x i32> %va
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vmerge_iv_nxv16i32(<vscale x 16 x i32> %va, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i32> %splat, <vscale x 16 x i32> %va
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vmerge_vv_nxv1i64(<vscale x 1 x i64> %va, <vscale x 1 x i64> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i64> %va, <vscale x 1 x i64> %vb
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vmerge_xv_nxv1i64(<vscale x 1 x i64> %va, i64 %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_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:    vmerge.vvm v16, v16, v25, v0
+; 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 = select <vscale x 1 x i1> %cond, <vscale x 1 x i64> %splat, <vscale x 1 x i64> %va
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vmerge_iv_nxv1i64(<vscale x 1 x i64> %va, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 3, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i64> %splat, <vscale x 1 x i64> %va
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vmerge_vv_nxv2i64(<vscale x 2 x i64> %va, <vscale x 2 x i64> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i64> %va, <vscale x 2 x i64> %vb
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vmerge_xv_nxv2i64(<vscale x 2 x i64> %va, i64 %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_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:    vmerge.vvm v16, v16, v26, v0
+; 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 = select <vscale x 2 x i1> %cond, <vscale x 2 x i64> %splat, <vscale x 2 x i64> %va
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vmerge_iv_nxv2i64(<vscale x 2 x i64> %va, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 3, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i64> %splat, <vscale x 2 x i64> %va
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vmerge_vv_nxv4i64(<vscale x 4 x i64> %va, <vscale x 4 x i64> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i64> %va, <vscale x 4 x i64> %vb
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vmerge_xv_nxv4i64(<vscale x 4 x i64> %va, i64 %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_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:    vmerge.vvm v16, v16, v28, v0
+; 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 = select <vscale x 4 x i1> %cond, <vscale x 4 x i64> %splat, <vscale x 4 x i64> %va
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vmerge_iv_nxv4i64(<vscale x 4 x i64> %va, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 3, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i64> %splat, <vscale x 4 x i64> %va
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vmerge_vv_nxv8i64(<vscale x 8 x i64> %va, <vscale x 8 x i64> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vle64.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i64> %va, <vscale x 8 x i64> %vb
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vmerge_xv_nxv8i64(<vscale x 8 x i64> %va, i64 %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_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:    vmerge.vvm v16, v16, v8, v0
+; 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 = select <vscale x 8 x i1> %cond, <vscale x 8 x i64> %splat, <vscale x 8 x i64> %va
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vmerge_iv_nxv8i64(<vscale x 8 x i64> %va, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 3, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i64> %splat, <vscale x 8 x i64> %va
+  ret <vscale x 8 x i64> %vc
+}
+
diff --git a/llvm/test/CodeGen/RISCV/rvv/vselect-int-rv64.ll b/llvm/test/CodeGen/RISCV/rvv/vselect-int-rv64.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/vselect-int-rv64.ll
@@ -0,0 +1,755 @@
+; 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> @vmerge_vv_nxv1i8(<vscale x 1 x i8> %va, <vscale x 1 x i8> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i8> %va, <vscale x 1 x i8> %vb
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vmerge_xv_nxv1i8(<vscale x 1 x i8> %va, i8 signext %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 1 x i1> %cond, <vscale x 1 x i8> %splat, <vscale x 1 x i8> %va
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 1 x i8> @vmerge_iv_nxv1i8(<vscale x 1 x i8> %va, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i8> %splat, <vscale x 1 x i8> %va
+  ret <vscale x 1 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vmerge_vv_nxv2i8(<vscale x 2 x i8> %va, <vscale x 2 x i8> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i8> %va, <vscale x 2 x i8> %vb
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vmerge_xv_nxv2i8(<vscale x 2 x i8> %va, i8 signext %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 2 x i1> %cond, <vscale x 2 x i8> %splat, <vscale x 2 x i8> %va
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 2 x i8> @vmerge_iv_nxv2i8(<vscale x 2 x i8> %va, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv2i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i8> %splat, <vscale x 2 x i8> %va
+  ret <vscale x 2 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vmerge_vv_nxv4i8(<vscale x 4 x i8> %va, <vscale x 4 x i8> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i8> %va, <vscale x 4 x i8> %vb
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vmerge_xv_nxv4i8(<vscale x 4 x i8> %va, i8 signext %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 4 x i1> %cond, <vscale x 4 x i8> %splat, <vscale x 4 x i8> %va
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 4 x i8> @vmerge_iv_nxv4i8(<vscale x 4 x i8> %va, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i8> %splat, <vscale x 4 x i8> %va
+  ret <vscale x 4 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vmerge_vv_nxv8i8(<vscale x 8 x i8> %va, <vscale x 8 x i8> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i8> %va, <vscale x 8 x i8> %vb
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vmerge_xv_nxv8i8(<vscale x 8 x i8> %va, i8 signext %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 8 x i1> %cond, <vscale x 8 x i8> %splat, <vscale x 8 x i8> %va
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 8 x i8> @vmerge_iv_nxv8i8(<vscale x 8 x i8> %va, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv8i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m1,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i8> %splat, <vscale x 8 x i8> %va
+  ret <vscale x 8 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vmerge_vv_nxv16i8(<vscale x 16 x i8> %va, <vscale x 16 x i8> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i8> %va, <vscale x 16 x i8> %vb
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vmerge_xv_nxv16i8(<vscale x 16 x i8> %va, i8 signext %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 16 x i1> %cond, <vscale x 16 x i8> %splat, <vscale x 16 x i8> %va
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 16 x i8> @vmerge_iv_nxv16i8(<vscale x 16 x i8> %va, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i8> %splat, <vscale x 16 x i8> %va
+  ret <vscale x 16 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vmerge_vv_nxv32i8(<vscale x 32 x i8> %va, <vscale x 32 x i8> %vb, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x i8> %va, <vscale x 32 x i8> %vb
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vmerge_xv_nxv32i8(<vscale x 32 x i8> %va, i8 signext %b, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 32 x i1> %cond, <vscale x 32 x i8> %splat, <vscale x 32 x i8> %va
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 32 x i8> @vmerge_iv_nxv32i8(<vscale x 32 x i8> %va, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv32i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x i8> %splat, <vscale x 32 x i8> %va
+  ret <vscale x 32 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vmerge_vv_nxv64i8(<vscale x 64 x i8> %va, <vscale x 64 x i8> %vb, <vscale x 64 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vle8.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 64 x i1> %cond, <vscale x 64 x i8> %va, <vscale x 64 x i8> %vb
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vmerge_xv_nxv64i8(<vscale x 64 x i8> %va, i8 signext %b, <vscale x 64 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 64 x i1> %cond, <vscale x 64 x i8> %splat, <vscale x 64 x i8> %va
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 64 x i8> @vmerge_iv_nxv64i8(<vscale x 64 x i8> %va, <vscale x 64 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv64i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e8,m8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 64 x i8> undef, i8 3, i32 0
+  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> undef, <vscale x 64 x i32> zeroinitializer
+  %vc = select <vscale x 64 x i1> %cond, <vscale x 64 x i8> %splat, <vscale x 64 x i8> %va
+  ret <vscale x 64 x i8> %vc
+}
+
+define <vscale x 1 x i16> @vmerge_vv_nxv1i16(<vscale x 1 x i16> %va, <vscale x 1 x i16> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i16> %va, <vscale x 1 x i16> %vb
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vmerge_xv_nxv1i16(<vscale x 1 x i16> %va, i16 signext %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 1 x i1> %cond, <vscale x 1 x i16> %splat, <vscale x 1 x i16> %va
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 1 x i16> @vmerge_iv_nxv1i16(<vscale x 1 x i16> %va, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv1i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i16> %splat, <vscale x 1 x i16> %va
+  ret <vscale x 1 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vmerge_vv_nxv2i16(<vscale x 2 x i16> %va, <vscale x 2 x i16> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i16> %va, <vscale x 2 x i16> %vb
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vmerge_xv_nxv2i16(<vscale x 2 x i16> %va, i16 signext %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 2 x i1> %cond, <vscale x 2 x i16> %splat, <vscale x 2 x i16> %va
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 2 x i16> @vmerge_iv_nxv2i16(<vscale x 2 x i16> %va, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv2i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i16> %splat, <vscale x 2 x i16> %va
+  ret <vscale x 2 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vmerge_vv_nxv4i16(<vscale x 4 x i16> %va, <vscale x 4 x i16> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i16> %va, <vscale x 4 x i16> %vb
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vmerge_xv_nxv4i16(<vscale x 4 x i16> %va, i16 signext %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 4 x i1> %cond, <vscale x 4 x i16> %splat, <vscale x 4 x i16> %va
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 4 x i16> @vmerge_iv_nxv4i16(<vscale x 4 x i16> %va, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv4i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m1,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i16> %splat, <vscale x 4 x i16> %va
+  ret <vscale x 4 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vmerge_vv_nxv8i16(<vscale x 8 x i16> %va, <vscale x 8 x i16> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i16> %va, <vscale x 8 x i16> %vb
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vmerge_xv_nxv8i16(<vscale x 8 x i16> %va, i16 signext %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 8 x i1> %cond, <vscale x 8 x i16> %splat, <vscale x 8 x i16> %va
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 8 x i16> @vmerge_iv_nxv8i16(<vscale x 8 x i16> %va, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i16> %splat, <vscale x 8 x i16> %va
+  ret <vscale x 8 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vmerge_vv_nxv16i16(<vscale x 16 x i16> %va, <vscale x 16 x i16> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i16> %va, <vscale x 16 x i16> %vb
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vmerge_xv_nxv16i16(<vscale x 16 x i16> %va, i16 signext %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 16 x i1> %cond, <vscale x 16 x i16> %splat, <vscale x 16 x i16> %va
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 16 x i16> @vmerge_iv_nxv16i16(<vscale x 16 x i16> %va, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i16> %splat, <vscale x 16 x i16> %va
+  ret <vscale x 16 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vmerge_vv_nxv32i16(<vscale x 32 x i16> %va, <vscale x 32 x i16> %vb, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vle16.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x i16> %va, <vscale x 32 x i16> %vb
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vmerge_xv_nxv32i16(<vscale x 32 x i16> %va, i16 signext %b, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 32 x i1> %cond, <vscale x 32 x i16> %splat, <vscale x 32 x i16> %va
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 32 x i16> @vmerge_iv_nxv32i16(<vscale x 32 x i16> %va, <vscale x 32 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv32i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e16,m8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 32 x i16> undef, i16 3, i32 0
+  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> undef, <vscale x 32 x i32> zeroinitializer
+  %vc = select <vscale x 32 x i1> %cond, <vscale x 32 x i16> %splat, <vscale x 32 x i16> %va
+  ret <vscale x 32 x i16> %vc
+}
+
+define <vscale x 1 x i32> @vmerge_vv_nxv1i32(<vscale x 1 x i32> %va, <vscale x 1 x i32> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i32> %va, <vscale x 1 x i32> %vb
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vmerge_xv_nxv1i32(<vscale x 1 x i32> %va, i32 signext %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 1 x i1> %cond, <vscale x 1 x i32> %splat, <vscale x 1 x i32> %va
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 1 x i32> @vmerge_iv_nxv1i32(<vscale x 1 x i32> %va, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv1i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,mf2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i32> %splat, <vscale x 1 x i32> %va
+  ret <vscale x 1 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vmerge_vv_nxv2i32(<vscale x 2 x i32> %va, <vscale x 2 x i32> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i32> %va, <vscale x 2 x i32> %vb
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vmerge_xv_nxv2i32(<vscale x 2 x i32> %va, i32 signext %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 2 x i1> %cond, <vscale x 2 x i32> %splat, <vscale x 2 x i32> %va
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 2 x i32> @vmerge_iv_nxv2i32(<vscale x 2 x i32> %va, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv2i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m1,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i32> %splat, <vscale x 2 x i32> %va
+  ret <vscale x 2 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vmerge_vv_nxv4i32(<vscale x 4 x i32> %va, <vscale x 4 x i32> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i32> %va, <vscale x 4 x i32> %vb
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vmerge_xv_nxv4i32(<vscale x 4 x i32> %va, i32 signext %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 4 x i1> %cond, <vscale x 4 x i32> %splat, <vscale x 4 x i32> %va
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 4 x i32> @vmerge_iv_nxv4i32(<vscale x 4 x i32> %va, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i32> %splat, <vscale x 4 x i32> %va
+  ret <vscale x 4 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vmerge_vv_nxv8i32(<vscale x 8 x i32> %va, <vscale x 8 x i32> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i32> %va, <vscale x 8 x i32> %vb
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vmerge_xv_nxv8i32(<vscale x 8 x i32> %va, i32 signext %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 8 x i1> %cond, <vscale x 8 x i32> %splat, <vscale x 8 x i32> %va
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 8 x i32> @vmerge_iv_nxv8i32(<vscale x 8 x i32> %va, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i32> %splat, <vscale x 8 x i32> %va
+  ret <vscale x 8 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vmerge_vv_nxv16i32(<vscale x 16 x i32> %va, <vscale x 16 x i32> %vb, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vle32.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i32> %va, <vscale x 16 x i32> %vb
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vmerge_xv_nxv16i32(<vscale x 16 x i32> %va, i32 signext %b, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 16 x i1> %cond, <vscale x 16 x i32> %splat, <vscale x 16 x i32> %va
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 16 x i32> @vmerge_iv_nxv16i32(<vscale x 16 x i32> %va, <vscale x 16 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv16i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e32,m8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 16 x i32> undef, i32 3, i32 0
+  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> undef, <vscale x 16 x i32> zeroinitializer
+  %vc = select <vscale x 16 x i1> %cond, <vscale x 16 x i32> %splat, <vscale x 16 x i32> %va
+  ret <vscale x 16 x i32> %vc
+}
+
+define <vscale x 1 x i64> @vmerge_vv_nxv1i64(<vscale x 1 x i64> %va, <vscale x 1 x i64> %vb, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v17, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i64> %va, <vscale x 1 x i64> %vb
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vmerge_xv_nxv1i64(<vscale x 1 x i64> %va, i64 %b, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 1 x i1> %cond, <vscale x 1 x i64> %splat, <vscale x 1 x i64> %va
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 1 x i64> @vmerge_iv_nxv1i64(<vscale x 1 x i64> %va, <vscale x 1 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv1i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m1,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 1 x i64> undef, i64 3, i32 0
+  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
+  %vc = select <vscale x 1 x i1> %cond, <vscale x 1 x i64> %splat, <vscale x 1 x i64> %va
+  ret <vscale x 1 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vmerge_vv_nxv2i64(<vscale x 2 x i64> %va, <vscale x 2 x i64> %vb, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v18, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i64> %va, <vscale x 2 x i64> %vb
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vmerge_xv_nxv2i64(<vscale x 2 x i64> %va, i64 %b, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 2 x i1> %cond, <vscale x 2 x i64> %splat, <vscale x 2 x i64> %va
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 2 x i64> @vmerge_iv_nxv2i64(<vscale x 2 x i64> %va, <vscale x 2 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m2,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 2 x i64> undef, i64 3, i32 0
+  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
+  %vc = select <vscale x 2 x i1> %cond, <vscale x 2 x i64> %splat, <vscale x 2 x i64> %va
+  ret <vscale x 2 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vmerge_vv_nxv4i64(<vscale x 4 x i64> %va, <vscale x 4 x i64> %vb, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmerge.vvm v16, v20, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i64> %va, <vscale x 4 x i64> %vb
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vmerge_xv_nxv4i64(<vscale x 4 x i64> %va, i64 %b, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 4 x i1> %cond, <vscale x 4 x i64> %splat, <vscale x 4 x i64> %va
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 4 x i64> @vmerge_iv_nxv4i64(<vscale x 4 x i64> %va, <vscale x 4 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m4,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 4 x i64> undef, i64 3, i32 0
+  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer
+  %vc = select <vscale x 4 x i1> %cond, <vscale x 4 x i64> %splat, <vscale x 4 x i64> %va
+  ret <vscale x 4 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vmerge_vv_nxv8i64(<vscale x 8 x i64> %va, <vscale x 8 x i64> %vb, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_vv_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vle64.v v8, (a0)
+; CHECK-NEXT:    vmerge.vvm v16, v8, v16, v0
+; CHECK-NEXT:    ret
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i64> %va, <vscale x 8 x i64> %vb
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vmerge_xv_nxv8i64(<vscale x 8 x i64> %va, i64 %b, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_xv_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a1, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vmerge.vxm v16, v16, a0, v0
+; 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 = select <vscale x 8 x i1> %cond, <vscale x 8 x i64> %splat, <vscale x 8 x i64> %va
+  ret <vscale x 8 x i64> %vc
+}
+
+define <vscale x 8 x i64> @vmerge_iv_nxv8i64(<vscale x 8 x i64> %va, <vscale x 8 x i1> %cond) {
+; CHECK-LABEL: vmerge_iv_nxv8i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli a0, zero, e64,m8,ta,mu
+; CHECK-NEXT:    vmerge.vim v16, v16, 3, v0
+; CHECK-NEXT:    ret
+  %head = insertelement <vscale x 8 x i64> undef, i64 3, i32 0
+  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> undef, <vscale x 8 x i32> zeroinitializer
+  %vc = select <vscale x 8 x i1> %cond, <vscale x 8 x i64> %splat, <vscale x 8 x i64> %va
+  ret <vscale x 8 x i64> %vc
+}
+