; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+v -verify-machineinstrs < %s \
; RUN:   | FileCheck %s --check-prefixes=CHECK,RV32
; RUN: llc -mtriple=riscv64 -mattr=+v -verify-machineinstrs < %s \
; RUN:   | FileCheck %s --check-prefixes=CHECK,RV64

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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 1 x i8> poison, i8 %b, i32 0
  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 1 x i8> poison, i8 3, i32 0
  %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 2 x i8> poison, i8 %b, i32 0
  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 2 x i8> poison, i8 3, i32 0
  %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> poison, <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 3 x i8> @vmerge_vv_nxv3i8(<vscale x 3 x i8> %va, <vscale x 3 x i8> %vb, <vscale x 3 x i1> %cond) {
; CHECK-LABEL: vmerge_vv_nxv3i8:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e8, mf2, ta, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, v0
; CHECK-NEXT:    ret
  %vc = select <vscale x 3 x i1> %cond, <vscale x 3 x i8> %va, <vscale x 3 x i8> %vb
  ret <vscale x 3 x i8> %vc
}

define <vscale x 3 x i8> @vmerge_xv_nxv3i8(<vscale x 3 x i8> %va, i8 signext %b, <vscale x 3 x i1> %cond) {
; CHECK-LABEL: vmerge_xv_nxv3i8:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a1, zero, e8, mf2, ta, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 3 x i8> poison, i8 %b, i32 0
  %splat = shufflevector <vscale x 3 x i8> %head, <vscale x 3 x i8> poison, <vscale x 3 x i32> zeroinitializer
  %vc = select <vscale x 3 x i1> %cond, <vscale x 3 x i8> %splat, <vscale x 3 x i8> %va
  ret <vscale x 3 x i8> %vc
}

define <vscale x 3 x i8> @vmerge_iv_nxv3i8(<vscale x 3 x i8> %va, <vscale x 3 x i1> %cond) {
; CHECK-LABEL: vmerge_iv_nxv3i8:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e8, mf2, ta, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 3 x i8> poison, i8 3, i32 0
  %splat = shufflevector <vscale x 3 x i8> %head, <vscale x 3 x i8> poison, <vscale x 3 x i32> zeroinitializer
  %vc = select <vscale x 3 x i1> %cond, <vscale x 3 x i8> %splat, <vscale x 3 x i8> %va
  ret <vscale x 3 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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 4 x i8> poison, i8 %b, i32 0
  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 4 x i8> poison, i8 3, i32 0
  %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 8 x i8> poison, i8 %b, i32 0
  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 8 x i8> poison, i8 3, i32 0
  %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v10, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 16 x i8> poison, i8 %b, i32 0
  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 16 x i8> poison, i8 3, i32 0
  %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v12, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 32 x i8> poison, i8 %b, i32 0
  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 32 x i8> poison, i8 3, i32 0
  %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> poison, <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 a0, zero, e8, m8, ta, ma
; CHECK-NEXT:    vmerge.vvm v8, v16, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 64 x i8> poison, i8 %b, i32 0
  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 64 x i8> poison, i8 3, i32 0
  %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 1 x i16> poison, i16 %b, i32 0
  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 1 x i16> poison, i16 3, i32 0
  %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 2 x i16> poison, i16 %b, i32 0
  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 2 x i16> poison, i16 3, i32 0
  %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 4 x i16> poison, i16 %b, i32 0
  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 4 x i16> poison, i16 3, i32 0
  %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v10, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 8 x i16> poison, i16 %b, i32 0
  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 8 x i16> poison, i16 3, i32 0
  %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v12, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 16 x i16> poison, i16 %b, i32 0
  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 16 x i16> poison, i16 3, i32 0
  %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> poison, <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 a0, zero, e16, m8, ta, ma
; CHECK-NEXT:    vmerge.vvm v8, v16, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 32 x i16> poison, i16 %b, i32 0
  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 32 x i16> poison, i16 3, i32 0
  %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 1 x i32> poison, i32 %b, i32 0
  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 1 x i32> poison, i32 3, i32 0
  %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 2 x i32> poison, i32 %b, i32 0
  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 2 x i32> poison, i32 3, i32 0
  %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v10, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 4 x i32> poison, i32 %b, i32 0
  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 4 x i32> poison, i32 3, i32 0
  %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v12, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 8 x i32> poison, i32 %b, i32 0
  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 8 x i32> poison, i32 3, i32 0
  %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> poison, <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 a0, zero, e32, m8, ta, ma
; CHECK-NEXT:    vmerge.vvm v8, v16, v8, 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, ma
; CHECK-NEXT:    vmerge.vxm v8, v8, a0, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 16 x i32> poison, i32 %b, i32 0
  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 16 x i32> poison, i32 3, i32 0
  %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v9, v8, 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) {
; RV32-LABEL: vmerge_xv_nxv1i64:
; RV32:       # %bb.0:
; RV32-NEXT:    addi sp, sp, -16
; RV32-NEXT:    .cfi_def_cfa_offset 16
; RV32-NEXT:    sw a1, 12(sp)
; RV32-NEXT:    sw a0, 8(sp)
; RV32-NEXT:    addi a0, sp, 8
; RV32-NEXT:    vsetvli a1, zero, e64, m1, ta, mu
; RV32-NEXT:    vlse64.v v8, (a0), zero, v0.t
; RV32-NEXT:    addi sp, sp, 16
; RV32-NEXT:    ret
;
; RV64-LABEL: vmerge_xv_nxv1i64:
; RV64:       # %bb.0:
; RV64-NEXT:    vsetvli a1, zero, e64, m1, ta, ma
; RV64-NEXT:    vmerge.vxm v8, v8, a0, v0
; RV64-NEXT:    ret
  %head = insertelement <vscale x 1 x i64> poison, i64 %b, i32 0
  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 1 x i64> poison, i64 3, i32 0
  %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v10, v8, 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) {
; RV32-LABEL: vmerge_xv_nxv2i64:
; RV32:       # %bb.0:
; RV32-NEXT:    addi sp, sp, -16
; RV32-NEXT:    .cfi_def_cfa_offset 16
; RV32-NEXT:    sw a1, 12(sp)
; RV32-NEXT:    sw a0, 8(sp)
; RV32-NEXT:    addi a0, sp, 8
; RV32-NEXT:    vsetvli a1, zero, e64, m2, ta, mu
; RV32-NEXT:    vlse64.v v8, (a0), zero, v0.t
; RV32-NEXT:    addi sp, sp, 16
; RV32-NEXT:    ret
;
; RV64-LABEL: vmerge_xv_nxv2i64:
; RV64:       # %bb.0:
; RV64-NEXT:    vsetvli a1, zero, e64, m2, ta, ma
; RV64-NEXT:    vmerge.vxm v8, v8, a0, v0
; RV64-NEXT:    ret
  %head = insertelement <vscale x 2 x i64> poison, i64 %b, i32 0
  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 2 x i64> poison, i64 3, i32 0
  %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> poison, <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, ma
; CHECK-NEXT:    vmerge.vvm v8, v12, v8, 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) {
; RV32-LABEL: vmerge_xv_nxv4i64:
; RV32:       # %bb.0:
; RV32-NEXT:    addi sp, sp, -16
; RV32-NEXT:    .cfi_def_cfa_offset 16
; RV32-NEXT:    sw a1, 12(sp)
; RV32-NEXT:    sw a0, 8(sp)
; RV32-NEXT:    addi a0, sp, 8
; RV32-NEXT:    vsetvli a1, zero, e64, m4, ta, mu
; RV32-NEXT:    vlse64.v v8, (a0), zero, v0.t
; RV32-NEXT:    addi sp, sp, 16
; RV32-NEXT:    ret
;
; RV64-LABEL: vmerge_xv_nxv4i64:
; RV64:       # %bb.0:
; RV64-NEXT:    vsetvli a1, zero, e64, m4, ta, ma
; RV64-NEXT:    vmerge.vxm v8, v8, a0, v0
; RV64-NEXT:    ret
  %head = insertelement <vscale x 4 x i64> poison, i64 %b, i32 0
  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 4 x i64> poison, i64 3, i32 0
  %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> poison, <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 a0, zero, e64, m8, ta, ma
; CHECK-NEXT:    vmerge.vvm v8, v16, v8, 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) {
; RV32-LABEL: vmerge_xv_nxv8i64:
; RV32:       # %bb.0:
; RV32-NEXT:    addi sp, sp, -16
; RV32-NEXT:    .cfi_def_cfa_offset 16
; RV32-NEXT:    sw a1, 12(sp)
; RV32-NEXT:    sw a0, 8(sp)
; RV32-NEXT:    addi a0, sp, 8
; RV32-NEXT:    vsetvli a1, zero, e64, m8, ta, mu
; RV32-NEXT:    vlse64.v v8, (a0), zero, v0.t
; RV32-NEXT:    addi sp, sp, 16
; RV32-NEXT:    ret
;
; RV64-LABEL: vmerge_xv_nxv8i64:
; RV64:       # %bb.0:
; RV64-NEXT:    vsetvli a1, zero, e64, m8, ta, ma
; RV64-NEXT:    vmerge.vxm v8, v8, a0, v0
; RV64-NEXT:    ret
  %head = insertelement <vscale x 8 x i64> poison, i64 %b, i32 0
  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> poison, <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, ma
; CHECK-NEXT:    vmerge.vim v8, v8, 3, v0
; CHECK-NEXT:    ret
  %head = insertelement <vscale x 8 x i64> poison, i64 3, i32 0
  %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> poison, <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_truelhs_nxv8i64_0(<vscale x 8 x i64> %va, <vscale x 8 x i64> %vb) {
; CHECK-LABEL: vmerge_truelhs_nxv8i64_0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    ret
  %mhead = insertelement <vscale x 8 x i1> poison, i1 1, i32 0
  %mtrue = shufflevector <vscale x 8 x i1> %mhead, <vscale x 8 x i1> poison, <vscale x 8 x i32> zeroinitializer
  %vc = select <vscale x 8 x i1> %mtrue, <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_falselhs_nxv8i64_0(<vscale x 8 x i64> %va, <vscale x 8 x i64> %vb) {
; CHECK-LABEL: vmerge_falselhs_nxv8i64_0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmv8r.v v8, v16
; CHECK-NEXT:    ret
  %vc = select <vscale x 8 x i1> zeroinitializer, <vscale x 8 x i64> %va, <vscale x 8 x i64> %vb
  ret <vscale x 8 x i64> %vc
}