; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-none-linux-gnu %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-BASE
; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+dotprod %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-DOT

define i32 @add_v4i32_v4i32(<4 x i32> %x) {
; CHECK-LABEL: add_v4i32_v4i32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %x)
  ret i32 %z
}

define i64 @add_v4i32_v4i64_zext(<4 x i32> %x) {
; CHECK-LABEL: add_v4i32_v4i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddlv d0, v0.4s
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i32> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  ret i64 %z
}

define i64 @add_v4i32_v4i64_sext(<4 x i32> %x) {
; CHECK-LABEL: add_v4i32_v4i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddlv d0, v0.4s
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i32> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  ret i64 %z
}

define i64 @add_v2i32_v2i64_zext(<2 x i32> %x) {
; CHECK-LABEL: add_v2i32_v2i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <2 x i32> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  ret i64 %z
}

define i64 @add_v2i32_v2i64_sext(<2 x i32> %x) {
; CHECK-LABEL: add_v2i32_v2i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.2d, v0.2s, #0
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <2 x i32> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  ret i64 %z
}

define i32 @add_v8i16_v8i32_zext(<8 x i16> %x) {
; CHECK-LABEL: add_v8i16_v8i32_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddlv s0, v0.8h
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i16> %x to <8 x i32>
  %z = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  ret i32 %z
}

define i32 @add_v8i16_v8i32_sext(<8 x i16> %x) {
; CHECK-LABEL: add_v8i16_v8i32_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddlv s0, v0.8h
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i16> %x to <8 x i32>
  %z = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  ret i32 %z
}

define i32 @add_v4i16_v4i32_zext(<4 x i16> %x) {
; CHECK-LABEL: add_v4i16_v4i32_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i16> %x to <4 x i32>
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  ret i32 %z
}

define i32 @add_v4i16_v4i32_sext(<4 x i16> %x) {
; CHECK-LABEL: add_v4i16_v4i32_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i16> %x to <4 x i32>
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  ret i32 %z
}

define zeroext i16 @add_v8i16_v8i16(<8 x i16> %x) {
; CHECK-LABEL: add_v8i16_v8i16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %z = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %x)
  ret i16 %z
}

define i64 @add_v8i16_v8i64_zext(<8 x i16> %x) {
; CHECK-LABEL: add_v8i16_v8i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll2 v1.4s, v0.8h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddl2 v2.2d, v0.4s, v1.4s
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i16> %x to <8 x i64>
  %z = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  ret i64 %z
}

define i64 @add_v8i16_v8i64_sext(<8 x i16> %x) {
; CHECK-LABEL: add_v8i16_v8i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll2 v1.4s, v0.8h, #0
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    saddl2 v2.2d, v0.4s, v1.4s
; CHECK-NEXT:    saddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i16> %x to <8 x i64>
  %z = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  ret i64 %z
}

define i64 @add_v4i16_v4i64_zext(<4 x i16> %x) {
; CHECK-LABEL: add_v4i16_v4i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddlv d0, v0.4s
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i16> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  ret i64 %z
}

define i64 @add_v4i16_v4i64_sext(<4 x i16> %x) {
; CHECK-LABEL: add_v4i16_v4i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    saddlv d0, v0.4s
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i16> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  ret i64 %z
}

define i64 @add_v2i16_v2i64_zext(<2 x i16> %x) {
; CHECK-LABEL: add_v2i16_v2i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi d1, #0x00ffff0000ffff
; CHECK-NEXT:    and v0.8b, v0.8b, v1.8b
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <2 x i16> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  ret i64 %z
}

define i64 @add_v2i16_v2i64_sext(<2 x i16> %x) {
; CHECK-LABEL: add_v2i16_v2i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    shl v0.2d, v0.2d, #48
; CHECK-NEXT:    sshr v0.2d, v0.2d, #48
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <2 x i16> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  ret i64 %z
}

define i32 @add_v16i8_v16i32_zext(<16 x i8> %x) {
; CHECK-BASE-LABEL: add_v16i8_v16i32_zext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    ushll2 v1.8h, v0.16b, #0
; CHECK-BASE-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    uaddl2 v2.4s, v0.8h, v1.8h
; CHECK-BASE-NEXT:    uaddl v0.4s, v0.4h, v1.4h
; CHECK-BASE-NEXT:    add v0.4s, v0.4s, v2.4s
; CHECK-BASE-NEXT:    addv s0, v0.4s
; CHECK-BASE-NEXT:    fmov w0, s0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_v16i8_v16i32_zext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v1.16b, #1
; CHECK-DOT-NEXT:    movi v2.2d, #0000000000000000
; CHECK-DOT-NEXT:    udot v2.4s, v0.16b, v1.16b
; CHECK-DOT-NEXT:    addv s0, v2.4s
; CHECK-DOT-NEXT:    fmov w0, s0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = zext <16 x i8> %x to <16 x i32>
  %z = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %xx)
  ret i32 %z
}

define i32 @add_v16i8_v16i32_sext(<16 x i8> %x) {
; CHECK-BASE-LABEL: add_v16i8_v16i32_sext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    sshll2 v1.8h, v0.16b, #0
; CHECK-BASE-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    saddl2 v2.4s, v0.8h, v1.8h
; CHECK-BASE-NEXT:    saddl v0.4s, v0.4h, v1.4h
; CHECK-BASE-NEXT:    add v0.4s, v0.4s, v2.4s
; CHECK-BASE-NEXT:    addv s0, v0.4s
; CHECK-BASE-NEXT:    fmov w0, s0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_v16i8_v16i32_sext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v1.16b, #1
; CHECK-DOT-NEXT:    movi v2.2d, #0000000000000000
; CHECK-DOT-NEXT:    sdot v2.4s, v0.16b, v1.16b
; CHECK-DOT-NEXT:    addv s0, v2.4s
; CHECK-DOT-NEXT:    fmov w0, s0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = sext <16 x i8> %x to <16 x i32>
  %z = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %xx)
  ret i32 %z
}

define i32 @add_v8i8_v8i32_zext(<8 x i8> %x) {
; CHECK-BASE-LABEL: add_v8i8_v8i32_zext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    uaddlv s0, v0.8h
; CHECK-BASE-NEXT:    fmov w0, s0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_v8i8_v8i32_zext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v1.8b, #1
; CHECK-DOT-NEXT:    movi v2.2d, #0000000000000000
; CHECK-DOT-NEXT:    udot v2.2s, v0.8b, v1.8b
; CHECK-DOT-NEXT:    addp v0.2s, v2.2s, v2.2s
; CHECK-DOT-NEXT:    fmov w0, s0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = zext <8 x i8> %x to <8 x i32>
  %z = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  ret i32 %z
}

define i32 @add_v8i8_v8i32_sext(<8 x i8> %x) {
; CHECK-BASE-LABEL: add_v8i8_v8i32_sext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    saddlv s0, v0.8h
; CHECK-BASE-NEXT:    fmov w0, s0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_v8i8_v8i32_sext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v1.8b, #1
; CHECK-DOT-NEXT:    movi v2.2d, #0000000000000000
; CHECK-DOT-NEXT:    sdot v2.2s, v0.8b, v1.8b
; CHECK-DOT-NEXT:    addp v0.2s, v2.2s, v2.2s
; CHECK-DOT-NEXT:    fmov w0, s0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = sext <8 x i8> %x to <8 x i32>
  %z = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  ret i32 %z
}

define i32 @add_v4i8_v4i32_zext(<4 x i8> %x) {
; CHECK-LABEL: add_v4i8_v4i32_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    bic v0.4h, #255, lsl #8
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i8> %x to <4 x i32>
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  ret i32 %z
}

define i32 @add_v4i8_v4i32_sext(<4 x i8> %x) {
; CHECK-LABEL: add_v4i8_v4i32_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    shl v0.4s, v0.4s, #24
; CHECK-NEXT:    sshr v0.4s, v0.4s, #24
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i8> %x to <4 x i32>
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  ret i32 %z
}

define zeroext i16 @add_v16i8_v16i16_zext(<16 x i8> %x) {
; CHECK-LABEL: add_v16i8_v16i16_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddlp v0.8h, v0.16b
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = zext <16 x i8> %x to <16 x i16>
  %z = call i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %xx)
  ret i16 %z
}

define signext i16 @add_v16i8_v16i16_sext(<16 x i8> %x) {
; CHECK-LABEL: add_v16i8_v16i16_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddlp v0.8h, v0.16b
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    smov w0, v0.h[0]
; CHECK-NEXT:    ret
entry:
  %xx = sext <16 x i8> %x to <16 x i16>
  %z = call i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %xx)
  ret i16 %z
}

define zeroext i16 @add_v8i8_v8i16_zext(<8 x i8> %x) {
; CHECK-LABEL: add_v8i8_v8i16_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i8> %x to <8 x i16>
  %z = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %xx)
  ret i16 %z
}

define signext i16 @add_v8i8_v8i16_sext(<8 x i8> %x) {
; CHECK-LABEL: add_v8i8_v8i16_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    smov w0, v0.h[0]
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i8> %x to <8 x i16>
  %z = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %xx)
  ret i16 %z
}

define zeroext i8 @add_v16i8_v16i8(<16 x i8> %x) {
; CHECK-LABEL: add_v16i8_v16i8:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addv b0, v0.16b
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %z = call i8 @llvm.vector.reduce.add.v16i8(<16 x i8> %x)
  ret i8 %z
}

define i64 @add_v16i8_v16i64_zext(<16 x i8> %x) {
; CHECK-LABEL: add_v16i8_v16i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll2 v1.8h, v0.16b, #0
; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-NEXT:    ushll v2.4s, v1.4h, #0
; CHECK-NEXT:    ushll2 v1.4s, v1.8h, #0
; CHECK-NEXT:    ushll2 v3.4s, v0.8h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddl2 v4.2d, v3.4s, v1.4s
; CHECK-NEXT:    uaddl2 v5.2d, v0.4s, v2.4s
; CHECK-NEXT:    uaddl v1.2d, v3.2s, v1.2s
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v2.2s
; CHECK-NEXT:    add v2.2d, v5.2d, v4.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <16 x i8> %x to <16 x i64>
  %z = call i64 @llvm.vector.reduce.add.v16i64(<16 x i64> %xx)
  ret i64 %z
}

define i64 @add_v16i8_v16i64_sext(<16 x i8> %x) {
; CHECK-LABEL: add_v16i8_v16i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll2 v1.8h, v0.16b, #0
; CHECK-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-NEXT:    sshll v2.4s, v1.4h, #0
; CHECK-NEXT:    sshll2 v1.4s, v1.8h, #0
; CHECK-NEXT:    sshll2 v3.4s, v0.8h, #0
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    saddl2 v4.2d, v3.4s, v1.4s
; CHECK-NEXT:    saddl2 v5.2d, v0.4s, v2.4s
; CHECK-NEXT:    saddl v1.2d, v3.2s, v1.2s
; CHECK-NEXT:    saddl v0.2d, v0.2s, v2.2s
; CHECK-NEXT:    add v2.2d, v5.2d, v4.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <16 x i8> %x to <16 x i64>
  %z = call i64 @llvm.vector.reduce.add.v16i64(<16 x i64> %xx)
  ret i64 %z
}

define i64 @add_v8i8_v8i64_zext(<8 x i8> %x) {
; CHECK-LABEL: add_v8i8_v8i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-NEXT:    ushll2 v1.4s, v0.8h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddl2 v2.2d, v0.4s, v1.4s
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i8> %x to <8 x i64>
  %z = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  ret i64 %z
}

define i64 @add_v8i8_v8i64_sext(<8 x i8> %x) {
; CHECK-LABEL: add_v8i8_v8i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-NEXT:    sshll2 v1.4s, v0.8h, #0
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    saddl2 v2.2d, v0.4s, v1.4s
; CHECK-NEXT:    saddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i8> %x to <8 x i64>
  %z = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  ret i64 %z
}

define i64 @add_v4i8_v4i64_zext(<4 x i8> %x) {
; CHECK-LABEL: add_v4i8_v4i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    bic v0.4h, #255, lsl #8
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddlv d0, v0.4s
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i8> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  ret i64 %z
}

define i64 @add_v4i8_v4i64_sext(<4 x i8> %x) {
; CHECK-LABEL: add_v4i8_v4i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    ushll v1.2d, v0.2s, #0
; CHECK-NEXT:    ushll2 v0.2d, v0.4s, #0
; CHECK-NEXT:    shl v1.2d, v1.2d, #56
; CHECK-NEXT:    shl v0.2d, v0.2d, #56
; CHECK-NEXT:    sshr v1.2d, v1.2d, #56
; CHECK-NEXT:    ssra v1.2d, v0.2d, #56
; CHECK-NEXT:    addp d0, v1.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i8> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  ret i64 %z
}

define i64 @add_v2i8_v2i64_zext(<2 x i8> %x) {
; CHECK-LABEL: add_v2i8_v2i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi d1, #0x0000ff000000ff
; CHECK-NEXT:    and v0.8b, v0.8b, v1.8b
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <2 x i8> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  ret i64 %z
}

define i64 @add_v2i8_v2i64_sext(<2 x i8> %x) {
; CHECK-LABEL: add_v2i8_v2i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    shl v0.2d, v0.2d, #56
; CHECK-NEXT:    sshr v0.2d, v0.2d, #56
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <2 x i8> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  ret i64 %z
}

define i64 @add_v2i64_v2i64(<2 x i64> %x) {
; CHECK-LABEL: add_v2i64_v2i64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %x)
  ret i64 %z
}

define i32 @add_v4i32_v4i32_acc(<4 x i32> %x, i32 %a) {
; CHECK-LABEL: add_v4i32_v4i32_acc:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w0, w8, w0
; CHECK-NEXT:    ret
entry:
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %x)
  %r = add i32 %z, %a
  ret i32 %r
}

define i64 @add_v4i32_v4i64_acc_zext(<4 x i32> %x, i64 %a) {
; CHECK-LABEL: add_v4i32_v4i64_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddlv d0, v0.4s
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i32> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v4i32_v4i64_acc_sext(<4 x i32> %x, i64 %a) {
; CHECK-LABEL: add_v4i32_v4i64_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddlv d0, v0.4s
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i32> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v2i32_v2i64_acc_zext(<2 x i32> %x, i64 %a) {
; CHECK-LABEL: add_v2i32_v2i64_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = zext <2 x i32> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v2i32_v2i64_acc_sext(<2 x i32> %x, i64 %a) {
; CHECK-LABEL: add_v2i32_v2i64_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.2d, v0.2s, #0
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = sext <2 x i32> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i32 @add_v8i16_v8i32_acc_zext(<8 x i16> %x, i32 %a) {
; CHECK-LABEL: add_v8i16_v8i32_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddlv s0, v0.8h
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w0, w8, w0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i16> %x to <8 x i32>
  %z = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define i32 @add_v8i16_v8i32_acc_sext(<8 x i16> %x, i32 %a) {
; CHECK-LABEL: add_v8i16_v8i32_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddlv s0, v0.8h
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w0, w8, w0
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i16> %x to <8 x i32>
  %z = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define i32 @add_v4i16_v4i32_acc_zext(<4 x i16> %x, i32 %a) {
; CHECK-LABEL: add_v4i16_v4i32_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w0, w8, w0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i16> %x to <4 x i32>
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define i32 @add_v4i16_v4i32_acc_sext(<4 x i16> %x, i32 %a) {
; CHECK-LABEL: add_v4i16_v4i32_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w0, w8, w0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i16> %x to <4 x i32>
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define zeroext i16 @add_v8i16_v8i16_acc(<8 x i16> %x, i16 %a) {
; CHECK-LABEL: add_v8i16_v8i16_acc:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w8, w8, w0
; CHECK-NEXT:    and w0, w8, #0xffff
; CHECK-NEXT:    ret
entry:
  %z = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %x)
  %r = add i16 %z, %a
  ret i16 %r
}

define i64 @add_v8i16_v8i64_acc_zext(<8 x i16> %x, i64 %a) {
; CHECK-LABEL: add_v8i16_v8i64_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll2 v1.4s, v0.8h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddl2 v2.2d, v0.4s, v1.4s
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i16> %x to <8 x i64>
  %z = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v8i16_v8i64_acc_sext(<8 x i16> %x, i64 %a) {
; CHECK-LABEL: add_v8i16_v8i64_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll2 v1.4s, v0.8h, #0
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    saddl2 v2.2d, v0.4s, v1.4s
; CHECK-NEXT:    saddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i16> %x to <8 x i64>
  %z = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v4i16_v4i64_acc_zext(<4 x i16> %x, i64 %a) {
; CHECK-LABEL: add_v4i16_v4i64_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddlv d0, v0.4s
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i16> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v4i16_v4i64_acc_sext(<4 x i16> %x, i64 %a) {
; CHECK-LABEL: add_v4i16_v4i64_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    saddlv d0, v0.4s
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i16> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v2i16_v2i64_acc_zext(<2 x i16> %x, i64 %a) {
; CHECK-LABEL: add_v2i16_v2i64_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi d1, #0x00ffff0000ffff
; CHECK-NEXT:    and v0.8b, v0.8b, v1.8b
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = zext <2 x i16> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v2i16_v2i64_acc_sext(<2 x i16> %x, i64 %a) {
; CHECK-LABEL: add_v2i16_v2i64_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    shl v0.2d, v0.2d, #48
; CHECK-NEXT:    sshr v0.2d, v0.2d, #48
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = sext <2 x i16> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i32 @add_v16i8_v16i32_acc_zext(<16 x i8> %x, i32 %a) {
; CHECK-BASE-LABEL: add_v16i8_v16i32_acc_zext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    ushll2 v1.8h, v0.16b, #0
; CHECK-BASE-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    uaddl2 v2.4s, v0.8h, v1.8h
; CHECK-BASE-NEXT:    uaddl v0.4s, v0.4h, v1.4h
; CHECK-BASE-NEXT:    add v0.4s, v0.4s, v2.4s
; CHECK-BASE-NEXT:    addv s0, v0.4s
; CHECK-BASE-NEXT:    fmov w8, s0
; CHECK-BASE-NEXT:    add w0, w8, w0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_v16i8_v16i32_acc_zext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v1.16b, #1
; CHECK-DOT-NEXT:    movi v2.2d, #0000000000000000
; CHECK-DOT-NEXT:    udot v2.4s, v0.16b, v1.16b
; CHECK-DOT-NEXT:    addv s0, v2.4s
; CHECK-DOT-NEXT:    fmov w8, s0
; CHECK-DOT-NEXT:    add w0, w8, w0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = zext <16 x i8> %x to <16 x i32>
  %z = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define i32 @add_v16i8_v16i32_acc_sext(<16 x i8> %x, i32 %a) {
; CHECK-BASE-LABEL: add_v16i8_v16i32_acc_sext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    sshll2 v1.8h, v0.16b, #0
; CHECK-BASE-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    saddl2 v2.4s, v0.8h, v1.8h
; CHECK-BASE-NEXT:    saddl v0.4s, v0.4h, v1.4h
; CHECK-BASE-NEXT:    add v0.4s, v0.4s, v2.4s
; CHECK-BASE-NEXT:    addv s0, v0.4s
; CHECK-BASE-NEXT:    fmov w8, s0
; CHECK-BASE-NEXT:    add w0, w8, w0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_v16i8_v16i32_acc_sext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v1.16b, #1
; CHECK-DOT-NEXT:    movi v2.2d, #0000000000000000
; CHECK-DOT-NEXT:    sdot v2.4s, v0.16b, v1.16b
; CHECK-DOT-NEXT:    addv s0, v2.4s
; CHECK-DOT-NEXT:    fmov w8, s0
; CHECK-DOT-NEXT:    add w0, w8, w0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = sext <16 x i8> %x to <16 x i32>
  %z = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define i32 @add_v8i8_v8i32_acc_zext(<8 x i8> %x, i32 %a) {
; CHECK-BASE-LABEL: add_v8i8_v8i32_acc_zext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    uaddlv s0, v0.8h
; CHECK-BASE-NEXT:    fmov w8, s0
; CHECK-BASE-NEXT:    add w0, w8, w0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_v8i8_v8i32_acc_zext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v1.8b, #1
; CHECK-DOT-NEXT:    movi v2.2d, #0000000000000000
; CHECK-DOT-NEXT:    udot v2.2s, v0.8b, v1.8b
; CHECK-DOT-NEXT:    addp v0.2s, v2.2s, v2.2s
; CHECK-DOT-NEXT:    fmov w8, s0
; CHECK-DOT-NEXT:    add w0, w8, w0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = zext <8 x i8> %x to <8 x i32>
  %z = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define i32 @add_v8i8_v8i32_acc_sext(<8 x i8> %x, i32 %a) {
; CHECK-BASE-LABEL: add_v8i8_v8i32_acc_sext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    saddlv s0, v0.8h
; CHECK-BASE-NEXT:    fmov w8, s0
; CHECK-BASE-NEXT:    add w0, w8, w0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_v8i8_v8i32_acc_sext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v1.8b, #1
; CHECK-DOT-NEXT:    movi v2.2d, #0000000000000000
; CHECK-DOT-NEXT:    sdot v2.2s, v0.8b, v1.8b
; CHECK-DOT-NEXT:    addp v0.2s, v2.2s, v2.2s
; CHECK-DOT-NEXT:    fmov w8, s0
; CHECK-DOT-NEXT:    add w0, w8, w0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = sext <8 x i8> %x to <8 x i32>
  %z = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define i32 @add_v4i8_v4i32_acc_zext(<4 x i8> %x, i32 %a) {
; CHECK-LABEL: add_v4i8_v4i32_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    bic v0.4h, #255, lsl #8
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w0, w8, w0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i8> %x to <4 x i32>
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define i32 @add_v4i8_v4i32_acc_sext(<4 x i8> %x, i32 %a) {
; CHECK-LABEL: add_v4i8_v4i32_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    shl v0.4s, v0.4s, #24
; CHECK-NEXT:    sshr v0.4s, v0.4s, #24
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w0, w8, w0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i8> %x to <4 x i32>
  %z = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  %r = add i32 %z, %a
  ret i32 %r
}

define zeroext i16 @add_v16i8_v16i16_acc_zext(<16 x i8> %x, i16 %a) {
; CHECK-LABEL: add_v16i8_v16i16_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddlv h0, v0.16b
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w8, w8, w0
; CHECK-NEXT:    and w0, w8, #0xffff
; CHECK-NEXT:    ret
entry:
  %xx = zext <16 x i8> %x to <16 x i16>
  %z = call i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %xx)
  %r = add i16 %z, %a
  ret i16 %r
}

define signext i16 @add_v16i8_v16i16_acc_sext(<16 x i8> %x, i16 %a) {
; CHECK-LABEL: add_v16i8_v16i16_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddlv h0, v0.16b
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w8, w8, w0
; CHECK-NEXT:    sxth w0, w8
; CHECK-NEXT:    ret
entry:
  %xx = sext <16 x i8> %x to <16 x i16>
  %z = call i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %xx)
  %r = add i16 %z, %a
  ret i16 %r
}

define zeroext i16 @add_v8i8_v8i16_acc_zext(<8 x i8> %x, i16 %a) {
; CHECK-LABEL: add_v8i8_v8i16_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w8, w8, w0
; CHECK-NEXT:    and w0, w8, #0xffff
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i8> %x to <8 x i16>
  %z = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %xx)
  %r = add i16 %z, %a
  ret i16 %r
}

define signext i16 @add_v8i8_v8i16_acc_sext(<8 x i8> %x, i16 %a) {
; CHECK-LABEL: add_v8i8_v8i16_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w8, w8, w0
; CHECK-NEXT:    sxth w0, w8
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i8> %x to <8 x i16>
  %z = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %xx)
  %r = add i16 %z, %a
  ret i16 %r
}

define zeroext i8 @add_v16i8_v16i8_acc(<16 x i8> %x, i8 %a) {
; CHECK-LABEL: add_v16i8_v16i8_acc:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addv b0, v0.16b
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    add w8, w8, w0
; CHECK-NEXT:    and w0, w8, #0xff
; CHECK-NEXT:    ret
entry:
  %z = call i8 @llvm.vector.reduce.add.v16i8(<16 x i8> %x)
  %r = add i8 %z, %a
  ret i8 %r
}

define i64 @add_v16i8_v16i64_acc_zext(<16 x i8> %x, i64 %a) {
; CHECK-LABEL: add_v16i8_v16i64_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll2 v1.8h, v0.16b, #0
; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-NEXT:    ushll v2.4s, v1.4h, #0
; CHECK-NEXT:    ushll2 v1.4s, v1.8h, #0
; CHECK-NEXT:    ushll2 v3.4s, v0.8h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddl2 v4.2d, v3.4s, v1.4s
; CHECK-NEXT:    uaddl2 v5.2d, v0.4s, v2.4s
; CHECK-NEXT:    uaddl v1.2d, v3.2s, v1.2s
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v2.2s
; CHECK-NEXT:    add v2.2d, v5.2d, v4.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = zext <16 x i8> %x to <16 x i64>
  %z = call i64 @llvm.vector.reduce.add.v16i64(<16 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v16i8_v16i64_acc_sext(<16 x i8> %x, i64 %a) {
; CHECK-LABEL: add_v16i8_v16i64_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll2 v1.8h, v0.16b, #0
; CHECK-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-NEXT:    sshll v2.4s, v1.4h, #0
; CHECK-NEXT:    sshll2 v1.4s, v1.8h, #0
; CHECK-NEXT:    sshll2 v3.4s, v0.8h, #0
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    saddl2 v4.2d, v3.4s, v1.4s
; CHECK-NEXT:    saddl2 v5.2d, v0.4s, v2.4s
; CHECK-NEXT:    saddl v1.2d, v3.2s, v1.2s
; CHECK-NEXT:    saddl v0.2d, v0.2s, v2.2s
; CHECK-NEXT:    add v2.2d, v5.2d, v4.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = sext <16 x i8> %x to <16 x i64>
  %z = call i64 @llvm.vector.reduce.add.v16i64(<16 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v8i8_v8i64_acc_zext(<8 x i8> %x, i64 %a) {
; CHECK-LABEL: add_v8i8_v8i64_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-NEXT:    ushll2 v1.4s, v0.8h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddl2 v2.2d, v0.4s, v1.4s
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i8> %x to <8 x i64>
  %z = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v8i8_v8i64_acc_sext(<8 x i8> %x, i64 %a) {
; CHECK-LABEL: add_v8i8_v8i64_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-NEXT:    sshll2 v1.4s, v0.8h, #0
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    saddl2 v2.2d, v0.4s, v1.4s
; CHECK-NEXT:    saddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i8> %x to <8 x i64>
  %z = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v4i8_v4i64_acc_zext(<4 x i8> %x, i64 %a) {
; CHECK-LABEL: add_v4i8_v4i64_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    bic v0.4h, #255, lsl #8
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddlv d0, v0.4s
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i8> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v4i8_v4i64_acc_sext(<4 x i8> %x, i64 %a) {
; CHECK-LABEL: add_v4i8_v4i64_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    ushll v1.2d, v0.2s, #0
; CHECK-NEXT:    ushll2 v0.2d, v0.4s, #0
; CHECK-NEXT:    shl v1.2d, v1.2d, #56
; CHECK-NEXT:    shl v0.2d, v0.2d, #56
; CHECK-NEXT:    sshr v1.2d, v1.2d, #56
; CHECK-NEXT:    ssra v1.2d, v0.2d, #56
; CHECK-NEXT:    addp d0, v1.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i8> %x to <4 x i64>
  %z = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v2i8_v2i64_acc_zext(<2 x i8> %x, i64 %a) {
; CHECK-LABEL: add_v2i8_v2i64_acc_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi d1, #0x0000ff000000ff
; CHECK-NEXT:    and v0.8b, v0.8b, v1.8b
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = zext <2 x i8> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v2i8_v2i64_acc_sext(<2 x i8> %x, i64 %a) {
; CHECK-LABEL: add_v2i8_v2i64_acc_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    shl v0.2d, v0.2d, #56
; CHECK-NEXT:    sshr v0.2d, v0.2d, #56
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %xx = sext <2 x i8> %x to <2 x i64>
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %r = add i64 %z, %a
  ret i64 %r
}

define i64 @add_v2i64_v2i64_acc(<2 x i64> %x, i64 %a) {
; CHECK-LABEL: add_v2i64_v2i64_acc:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x8, d0
; CHECK-NEXT:    add x0, x8, x0
; CHECK-NEXT:    ret
entry:
  %z = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %x)
  %r = add i64 %z, %a
  ret i64 %r
}

define i32 @add_pair_v4i32_v4i32(<4 x i32> %x, <4 x i32> %y) {
; CHECK-LABEL: add_pair_v4i32_v4i32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    add v0.4s, v0.4s, v1.4s
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %z1 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %x)
  %z2 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %y)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define i64 @add_pair_v4i32_v4i64_zext(<4 x i32> %x, <4 x i32> %y) {
; CHECK-LABEL: add_pair_v4i32_v4i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddlp v0.2d, v0.4s
; CHECK-NEXT:    uadalp v0.2d, v1.4s
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i32> %x to <4 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %yy = zext <4 x i32> %y to <4 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v4i32_v4i64_sext(<4 x i32> %x, <4 x i32> %y) {
; CHECK-LABEL: add_pair_v4i32_v4i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddlp v0.2d, v0.4s
; CHECK-NEXT:    sadalp v0.2d, v1.4s
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i32> %x to <4 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %yy = sext <4 x i32> %y to <4 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v2i32_v2i64_zext(<2 x i32> %x, <2 x i32> %y) {
; CHECK-LABEL: add_pair_v2i32_v2i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <2 x i32> %x to <2 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %yy = zext <2 x i32> %y to <2 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v2i32_v2i64_sext(<2 x i32> %x, <2 x i32> %y) {
; CHECK-LABEL: add_pair_v2i32_v2i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <2 x i32> %x to <2 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %yy = sext <2 x i32> %y to <2 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i32 @add_pair_v8i16_v8i32_zext(<8 x i16> %x, <8 x i16> %y) {
; CHECK-LABEL: add_pair_v8i16_v8i32_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddlp v0.4s, v0.8h
; CHECK-NEXT:    uadalp v0.4s, v1.8h
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i16> %x to <8 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  %yy = zext <8 x i16> %y to <8 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define i32 @add_pair_v8i16_v8i32_sext(<8 x i16> %x, <8 x i16> %y) {
; CHECK-LABEL: add_pair_v8i16_v8i32_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddlp v0.4s, v0.8h
; CHECK-NEXT:    sadalp v0.4s, v1.8h
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i16> %x to <8 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  %yy = sext <8 x i16> %y to <8 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define i32 @add_pair_v4i16_v4i32_zext(<4 x i16> %x, <4 x i16> %y) {
; CHECK-LABEL: add_pair_v4i16_v4i32_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddl v0.4s, v0.4h, v1.4h
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i16> %x to <4 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  %yy = zext <4 x i16> %y to <4 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define i32 @add_pair_v4i16_v4i32_sext(<4 x i16> %x, <4 x i16> %y) {
; CHECK-LABEL: add_pair_v4i16_v4i32_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddl v0.4s, v0.4h, v1.4h
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i16> %x to <4 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  %yy = sext <4 x i16> %y to <4 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define zeroext i16 @add_pair_v8i16_v8i16(<8 x i16> %x, <8 x i16> %y) {
; CHECK-LABEL: add_pair_v8i16_v8i16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    addv h1, v1.8h
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    fmov w9, s1
; CHECK-NEXT:    add w8, w8, w9
; CHECK-NEXT:    and w0, w8, #0xffff
; CHECK-NEXT:    ret
entry:
  %z1 = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %x)
  %z2 = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %y)
  %z = add i16 %z1, %z2
  ret i16 %z
}

define i64 @add_pair_v8i16_v8i64_zext(<8 x i16> %x, <8 x i16> %y) {
; CHECK-LABEL: add_pair_v8i16_v8i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll2 v2.4s, v0.8h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    ushll2 v3.4s, v1.8h, #0
; CHECK-NEXT:    ushll v1.4s, v1.4h, #0
; CHECK-NEXT:    uaddl2 v4.2d, v0.4s, v2.4s
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v2.2s
; CHECK-NEXT:    uaddl2 v2.2d, v1.4s, v3.4s
; CHECK-NEXT:    uaddl v1.2d, v1.2s, v3.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v4.2d
; CHECK-NEXT:    add v1.2d, v1.2d, v2.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i16> %x to <8 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  %yy = zext <8 x i16> %y to <8 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v8i16_v8i64_sext(<8 x i16> %x, <8 x i16> %y) {
; CHECK-LABEL: add_pair_v8i16_v8i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll2 v2.4s, v0.8h, #0
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    sshll2 v3.4s, v1.8h, #0
; CHECK-NEXT:    sshll v1.4s, v1.4h, #0
; CHECK-NEXT:    saddl2 v4.2d, v0.4s, v2.4s
; CHECK-NEXT:    saddl v0.2d, v0.2s, v2.2s
; CHECK-NEXT:    saddl2 v2.2d, v1.4s, v3.4s
; CHECK-NEXT:    saddl v1.2d, v1.2s, v3.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v4.2d
; CHECK-NEXT:    add v1.2d, v1.2d, v2.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i16> %x to <8 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  %yy = sext <8 x i16> %y to <8 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v4i16_v4i64_zext(<4 x i16> %x, <4 x i16> %y) {
; CHECK-LABEL: add_pair_v4i16_v4i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    ushll v1.4s, v1.4h, #0
; CHECK-NEXT:    uaddlp v0.2d, v0.4s
; CHECK-NEXT:    uadalp v0.2d, v1.4s
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i16> %x to <4 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %yy = zext <4 x i16> %y to <4 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v4i16_v4i64_sext(<4 x i16> %x, <4 x i16> %y) {
; CHECK-LABEL: add_pair_v4i16_v4i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    sshll v1.4s, v1.4h, #0
; CHECK-NEXT:    saddlp v0.2d, v0.4s
; CHECK-NEXT:    sadalp v0.2d, v1.4s
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i16> %x to <4 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %yy = sext <4 x i16> %y to <4 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v2i16_v2i64_zext(<2 x i16> %x, <2 x i16> %y) {
; CHECK-LABEL: add_pair_v2i16_v2i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi d2, #0x00ffff0000ffff
; CHECK-NEXT:    and v0.8b, v0.8b, v2.8b
; CHECK-NEXT:    and v1.8b, v1.8b, v2.8b
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <2 x i16> %x to <2 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %yy = zext <2 x i16> %y to <2 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v2i16_v2i64_sext(<2 x i16> %x, <2 x i16> %y) {
; CHECK-LABEL: add_pair_v2i16_v2i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    ushll v1.2d, v1.2s, #0
; CHECK-NEXT:    shl v0.2d, v0.2d, #48
; CHECK-NEXT:    shl v1.2d, v1.2d, #48
; CHECK-NEXT:    sshr v0.2d, v0.2d, #48
; CHECK-NEXT:    ssra v0.2d, v1.2d, #48
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <2 x i16> %x to <2 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %yy = sext <2 x i16> %y to <2 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i32 @add_pair_v16i8_v16i32_zext(<16 x i8> %x, <16 x i8> %y) {
; CHECK-BASE-LABEL: add_pair_v16i8_v16i32_zext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    ushll2 v2.8h, v0.16b, #0
; CHECK-BASE-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    ushll2 v3.8h, v1.16b, #0
; CHECK-BASE-NEXT:    ushll v1.8h, v1.8b, #0
; CHECK-BASE-NEXT:    uaddl2 v4.4s, v0.8h, v2.8h
; CHECK-BASE-NEXT:    uaddl v0.4s, v0.4h, v2.4h
; CHECK-BASE-NEXT:    uaddl2 v2.4s, v1.8h, v3.8h
; CHECK-BASE-NEXT:    uaddl v1.4s, v1.4h, v3.4h
; CHECK-BASE-NEXT:    add v0.4s, v0.4s, v4.4s
; CHECK-BASE-NEXT:    add v1.4s, v1.4s, v2.4s
; CHECK-BASE-NEXT:    add v0.4s, v0.4s, v1.4s
; CHECK-BASE-NEXT:    addv s0, v0.4s
; CHECK-BASE-NEXT:    fmov w0, s0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_pair_v16i8_v16i32_zext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v2.16b, #1
; CHECK-DOT-NEXT:    movi v3.2d, #0000000000000000
; CHECK-DOT-NEXT:    udot v3.4s, v1.16b, v2.16b
; CHECK-DOT-NEXT:    udot v3.4s, v0.16b, v2.16b
; CHECK-DOT-NEXT:    addv s0, v3.4s
; CHECK-DOT-NEXT:    fmov w0, s0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = zext <16 x i8> %x to <16 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %xx)
  %yy = zext <16 x i8> %y to <16 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define i32 @add_pair_v16i8_v16i32_sext(<16 x i8> %x, <16 x i8> %y) {
; CHECK-BASE-LABEL: add_pair_v16i8_v16i32_sext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    sshll2 v2.8h, v0.16b, #0
; CHECK-BASE-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    sshll2 v3.8h, v1.16b, #0
; CHECK-BASE-NEXT:    sshll v1.8h, v1.8b, #0
; CHECK-BASE-NEXT:    saddl2 v4.4s, v0.8h, v2.8h
; CHECK-BASE-NEXT:    saddl v0.4s, v0.4h, v2.4h
; CHECK-BASE-NEXT:    saddl2 v2.4s, v1.8h, v3.8h
; CHECK-BASE-NEXT:    saddl v1.4s, v1.4h, v3.4h
; CHECK-BASE-NEXT:    add v0.4s, v0.4s, v4.4s
; CHECK-BASE-NEXT:    add v1.4s, v1.4s, v2.4s
; CHECK-BASE-NEXT:    add v0.4s, v0.4s, v1.4s
; CHECK-BASE-NEXT:    addv s0, v0.4s
; CHECK-BASE-NEXT:    fmov w0, s0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_pair_v16i8_v16i32_sext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v2.16b, #1
; CHECK-DOT-NEXT:    movi v3.2d, #0000000000000000
; CHECK-DOT-NEXT:    sdot v3.4s, v1.16b, v2.16b
; CHECK-DOT-NEXT:    sdot v3.4s, v0.16b, v2.16b
; CHECK-DOT-NEXT:    addv s0, v3.4s
; CHECK-DOT-NEXT:    fmov w0, s0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = sext <16 x i8> %x to <16 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %xx)
  %yy = sext <16 x i8> %y to <16 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define i32 @add_pair_v8i8_v8i32_zext(<8 x i8> %x, <8 x i8> %y) {
; CHECK-BASE-LABEL: add_pair_v8i8_v8i32_zext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    ushll v1.8h, v1.8b, #0
; CHECK-BASE-NEXT:    uaddlp v0.4s, v0.8h
; CHECK-BASE-NEXT:    uadalp v0.4s, v1.8h
; CHECK-BASE-NEXT:    addv s0, v0.4s
; CHECK-BASE-NEXT:    fmov w0, s0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_pair_v8i8_v8i32_zext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v2.8b, #1
; CHECK-DOT-NEXT:    movi v3.2d, #0000000000000000
; CHECK-DOT-NEXT:    udot v3.2s, v1.8b, v2.8b
; CHECK-DOT-NEXT:    udot v3.2s, v0.8b, v2.8b
; CHECK-DOT-NEXT:    addp v0.2s, v3.2s, v3.2s
; CHECK-DOT-NEXT:    fmov w0, s0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = zext <8 x i8> %x to <8 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  %yy = zext <8 x i8> %y to <8 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define i32 @add_pair_v8i8_v8i32_sext(<8 x i8> %x, <8 x i8> %y) {
; CHECK-BASE-LABEL: add_pair_v8i8_v8i32_sext:
; CHECK-BASE:       // %bb.0: // %entry
; CHECK-BASE-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-BASE-NEXT:    sshll v1.8h, v1.8b, #0
; CHECK-BASE-NEXT:    saddlp v0.4s, v0.8h
; CHECK-BASE-NEXT:    sadalp v0.4s, v1.8h
; CHECK-BASE-NEXT:    addv s0, v0.4s
; CHECK-BASE-NEXT:    fmov w0, s0
; CHECK-BASE-NEXT:    ret
;
; CHECK-DOT-LABEL: add_pair_v8i8_v8i32_sext:
; CHECK-DOT:       // %bb.0: // %entry
; CHECK-DOT-NEXT:    movi v2.8b, #1
; CHECK-DOT-NEXT:    movi v3.2d, #0000000000000000
; CHECK-DOT-NEXT:    sdot v3.2s, v1.8b, v2.8b
; CHECK-DOT-NEXT:    sdot v3.2s, v0.8b, v2.8b
; CHECK-DOT-NEXT:    addp v0.2s, v3.2s, v3.2s
; CHECK-DOT-NEXT:    fmov w0, s0
; CHECK-DOT-NEXT:    ret
entry:
  %xx = sext <8 x i8> %x to <8 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %xx)
  %yy = sext <8 x i8> %y to <8 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define i32 @add_pair_v4i8_v4i32_zext(<4 x i8> %x, <4 x i8> %y) {
; CHECK-LABEL: add_pair_v4i8_v4i32_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    bic v0.4h, #255, lsl #8
; CHECK-NEXT:    bic v1.4h, #255, lsl #8
; CHECK-NEXT:    uaddl v0.4s, v0.4h, v1.4h
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i8> %x to <4 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  %yy = zext <4 x i8> %y to <4 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define i32 @add_pair_v4i8_v4i32_sext(<4 x i8> %x, <4 x i8> %y) {
; CHECK-LABEL: add_pair_v4i8_v4i32_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    ushll v1.4s, v1.4h, #0
; CHECK-NEXT:    shl v0.4s, v0.4s, #24
; CHECK-NEXT:    shl v1.4s, v1.4s, #24
; CHECK-NEXT:    sshr v0.4s, v0.4s, #24
; CHECK-NEXT:    ssra v0.4s, v1.4s, #24
; CHECK-NEXT:    addv s0, v0.4s
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i8> %x to <4 x i32>
  %z1 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %xx)
  %yy = sext <4 x i8> %y to <4 x i32>
  %z2 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %yy)
  %z = add i32 %z1, %z2
  ret i32 %z
}

define zeroext i16 @add_pair_v16i8_v16i16_zext(<16 x i8> %x, <16 x i8> %y) {
; CHECK-LABEL: add_pair_v16i8_v16i16_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uaddlv h0, v0.16b
; CHECK-NEXT:    uaddlv h1, v1.16b
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    fmov w9, s1
; CHECK-NEXT:    add w8, w8, w9
; CHECK-NEXT:    and w0, w8, #0xffff
; CHECK-NEXT:    ret
entry:
  %xx = zext <16 x i8> %x to <16 x i16>
  %z1 = call i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %xx)
  %yy = zext <16 x i8> %y to <16 x i16>
  %z2 = call i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %yy)
  %z = add i16 %z1, %z2
  ret i16 %z
}

define signext i16 @add_pair_v16i8_v16i16_sext(<16 x i8> %x, <16 x i8> %y) {
; CHECK-LABEL: add_pair_v16i8_v16i16_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    saddlv h0, v0.16b
; CHECK-NEXT:    saddlv h1, v1.16b
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    fmov w9, s1
; CHECK-NEXT:    add w8, w8, w9
; CHECK-NEXT:    sxth w0, w8
; CHECK-NEXT:    ret
entry:
  %xx = sext <16 x i8> %x to <16 x i16>
  %z1 = call i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %xx)
  %yy = sext <16 x i8> %y to <16 x i16>
  %z2 = call i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %yy)
  %z = add i16 %z1, %z2
  ret i16 %z
}

define zeroext i16 @add_pair_v8i8_v8i16_zext(<8 x i8> %x, <8 x i8> %y) {
; CHECK-LABEL: add_pair_v8i8_v8i16_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-NEXT:    ushll v1.8h, v1.8b, #0
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    addv h1, v1.8h
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    fmov w9, s1
; CHECK-NEXT:    add w8, w8, w9
; CHECK-NEXT:    and w0, w8, #0xffff
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i8> %x to <8 x i16>
  %z1 = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %xx)
  %yy = zext <8 x i8> %y to <8 x i16>
  %z2 = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %yy)
  %z = add i16 %z1, %z2
  ret i16 %z
}

define signext i16 @add_pair_v8i8_v8i16_sext(<8 x i8> %x, <8 x i8> %y) {
; CHECK-LABEL: add_pair_v8i8_v8i16_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-NEXT:    sshll v1.8h, v1.8b, #0
; CHECK-NEXT:    addv h0, v0.8h
; CHECK-NEXT:    addv h1, v1.8h
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    fmov w9, s1
; CHECK-NEXT:    add w8, w8, w9
; CHECK-NEXT:    sxth w0, w8
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i8> %x to <8 x i16>
  %z1 = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %xx)
  %yy = sext <8 x i8> %y to <8 x i16>
  %z2 = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %yy)
  %z = add i16 %z1, %z2
  ret i16 %z
}

define zeroext i8 @add_pair_v16i8_v16i8(<16 x i8> %x, <16 x i8> %y) {
; CHECK-LABEL: add_pair_v16i8_v16i8:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    addv b0, v0.16b
; CHECK-NEXT:    addv b1, v1.16b
; CHECK-NEXT:    fmov w8, s0
; CHECK-NEXT:    fmov w9, s1
; CHECK-NEXT:    add w8, w8, w9
; CHECK-NEXT:    and w0, w8, #0xff
; CHECK-NEXT:    ret
entry:
  %z1 = call i8 @llvm.vector.reduce.add.v16i8(<16 x i8> %x)
  %z2 = call i8 @llvm.vector.reduce.add.v16i8(<16 x i8> %y)
  %z = add i8 %z1, %z2
  ret i8 %z
}

define i64 @add_pair_v16i8_v16i64_zext(<16 x i8> %x, <16 x i8> %y) {
; CHECK-LABEL: add_pair_v16i8_v16i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll2 v2.8h, v0.16b, #0
; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-NEXT:    ushll v3.4s, v2.4h, #0
; CHECK-NEXT:    ushll2 v2.4s, v2.8h, #0
; CHECK-NEXT:    ushll2 v4.4s, v0.8h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    uaddl2 v5.2d, v4.4s, v2.4s
; CHECK-NEXT:    uaddl2 v6.2d, v0.4s, v3.4s
; CHECK-NEXT:    ushll2 v7.8h, v1.16b, #0
; CHECK-NEXT:    ushll v1.8h, v1.8b, #0
; CHECK-NEXT:    uaddl v2.2d, v4.2s, v2.2s
; CHECK-NEXT:    add v4.2d, v6.2d, v5.2d
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v3.2s
; CHECK-NEXT:    ushll v3.4s, v7.4h, #0
; CHECK-NEXT:    ushll2 v5.4s, v7.8h, #0
; CHECK-NEXT:    ushll2 v6.4s, v1.8h, #0
; CHECK-NEXT:    ushll v1.4s, v1.4h, #0
; CHECK-NEXT:    uaddl2 v7.2d, v6.4s, v5.4s
; CHECK-NEXT:    uaddl v5.2d, v6.2s, v5.2s
; CHECK-NEXT:    uaddl2 v6.2d, v1.4s, v3.4s
; CHECK-NEXT:    uaddl v1.2d, v1.2s, v3.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    add v2.2d, v6.2d, v7.2d
; CHECK-NEXT:    add v1.2d, v1.2d, v5.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v4.2d
; CHECK-NEXT:    add v1.2d, v1.2d, v2.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <16 x i8> %x to <16 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v16i64(<16 x i64> %xx)
  %yy = zext <16 x i8> %y to <16 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v16i64(<16 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v16i8_v16i64_sext(<16 x i8> %x, <16 x i8> %y) {
; CHECK-LABEL: add_pair_v16i8_v16i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll2 v2.8h, v0.16b, #0
; CHECK-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-NEXT:    sshll v3.4s, v2.4h, #0
; CHECK-NEXT:    sshll2 v2.4s, v2.8h, #0
; CHECK-NEXT:    sshll2 v4.4s, v0.8h, #0
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    saddl2 v5.2d, v4.4s, v2.4s
; CHECK-NEXT:    saddl2 v6.2d, v0.4s, v3.4s
; CHECK-NEXT:    sshll2 v7.8h, v1.16b, #0
; CHECK-NEXT:    sshll v1.8h, v1.8b, #0
; CHECK-NEXT:    saddl v2.2d, v4.2s, v2.2s
; CHECK-NEXT:    add v4.2d, v6.2d, v5.2d
; CHECK-NEXT:    saddl v0.2d, v0.2s, v3.2s
; CHECK-NEXT:    sshll v3.4s, v7.4h, #0
; CHECK-NEXT:    sshll2 v5.4s, v7.8h, #0
; CHECK-NEXT:    sshll2 v6.4s, v1.8h, #0
; CHECK-NEXT:    sshll v1.4s, v1.4h, #0
; CHECK-NEXT:    saddl2 v7.2d, v6.4s, v5.4s
; CHECK-NEXT:    saddl v5.2d, v6.2s, v5.2s
; CHECK-NEXT:    saddl2 v6.2d, v1.4s, v3.4s
; CHECK-NEXT:    saddl v1.2d, v1.2s, v3.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v2.2d
; CHECK-NEXT:    add v2.2d, v6.2d, v7.2d
; CHECK-NEXT:    add v1.2d, v1.2d, v5.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v4.2d
; CHECK-NEXT:    add v1.2d, v1.2d, v2.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <16 x i8> %x to <16 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v16i64(<16 x i64> %xx)
  %yy = sext <16 x i8> %y to <16 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v16i64(<16 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v8i8_v8i64_zext(<8 x i8> %x, <8 x i8> %y) {
; CHECK-LABEL: add_pair_v8i8_v8i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
; CHECK-NEXT:    ushll v1.8h, v1.8b, #0
; CHECK-NEXT:    ushll2 v2.4s, v0.8h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    ushll2 v3.4s, v1.8h, #0
; CHECK-NEXT:    ushll v1.4s, v1.4h, #0
; CHECK-NEXT:    uaddl2 v4.2d, v0.4s, v2.4s
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v2.2s
; CHECK-NEXT:    uaddl2 v2.2d, v1.4s, v3.4s
; CHECK-NEXT:    uaddl v1.2d, v1.2s, v3.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v4.2d
; CHECK-NEXT:    add v1.2d, v1.2d, v2.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <8 x i8> %x to <8 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  %yy = zext <8 x i8> %y to <8 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v8i8_v8i64_sext(<8 x i8> %x, <8 x i8> %y) {
; CHECK-LABEL: add_pair_v8i8_v8i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sshll v0.8h, v0.8b, #0
; CHECK-NEXT:    sshll v1.8h, v1.8b, #0
; CHECK-NEXT:    sshll2 v2.4s, v0.8h, #0
; CHECK-NEXT:    sshll v0.4s, v0.4h, #0
; CHECK-NEXT:    sshll2 v3.4s, v1.8h, #0
; CHECK-NEXT:    sshll v1.4s, v1.4h, #0
; CHECK-NEXT:    saddl2 v4.2d, v0.4s, v2.4s
; CHECK-NEXT:    saddl v0.2d, v0.2s, v2.2s
; CHECK-NEXT:    saddl2 v2.2d, v1.4s, v3.4s
; CHECK-NEXT:    saddl v1.2d, v1.2s, v3.2s
; CHECK-NEXT:    add v0.2d, v0.2d, v4.2d
; CHECK-NEXT:    add v1.2d, v1.2d, v2.2d
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <8 x i8> %x to <8 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %xx)
  %yy = sext <8 x i8> %y to <8 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v4i8_v4i64_zext(<4 x i8> %x, <4 x i8> %y) {
; CHECK-LABEL: add_pair_v4i8_v4i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    bic v0.4h, #255, lsl #8
; CHECK-NEXT:    bic v1.4h, #255, lsl #8
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    ushll v1.4s, v1.4h, #0
; CHECK-NEXT:    uaddlp v0.2d, v0.4s
; CHECK-NEXT:    uadalp v0.2d, v1.4s
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <4 x i8> %x to <4 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %yy = zext <4 x i8> %y to <4 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v4i8_v4i64_sext(<4 x i8> %x, <4 x i8> %y) {
; CHECK-LABEL: add_pair_v4i8_v4i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v1.4s, v1.4h, #0
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    ushll v2.2d, v1.2s, #0
; CHECK-NEXT:    ushll v3.2d, v0.2s, #0
; CHECK-NEXT:    ushll2 v1.2d, v1.4s, #0
; CHECK-NEXT:    ushll2 v0.2d, v0.4s, #0
; CHECK-NEXT:    shl v3.2d, v3.2d, #56
; CHECK-NEXT:    shl v2.2d, v2.2d, #56
; CHECK-NEXT:    shl v0.2d, v0.2d, #56
; CHECK-NEXT:    sshr v3.2d, v3.2d, #56
; CHECK-NEXT:    shl v1.2d, v1.2d, #56
; CHECK-NEXT:    sshr v2.2d, v2.2d, #56
; CHECK-NEXT:    ssra v3.2d, v0.2d, #56
; CHECK-NEXT:    ssra v2.2d, v1.2d, #56
; CHECK-NEXT:    add v0.2d, v3.2d, v2.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <4 x i8> %x to <4 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %xx)
  %yy = sext <4 x i8> %y to <4 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v2i8_v2i64_zext(<2 x i8> %x, <2 x i8> %y) {
; CHECK-LABEL: add_pair_v2i8_v2i64_zext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi d2, #0x0000ff000000ff
; CHECK-NEXT:    and v0.8b, v0.8b, v2.8b
; CHECK-NEXT:    and v1.8b, v1.8b, v2.8b
; CHECK-NEXT:    uaddl v0.2d, v0.2s, v1.2s
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = zext <2 x i8> %x to <2 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %yy = zext <2 x i8> %y to <2 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v2i8_v2i64_sext(<2 x i8> %x, <2 x i8> %y) {
; CHECK-LABEL: add_pair_v2i8_v2i64_sext:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
; CHECK-NEXT:    ushll v1.2d, v1.2s, #0
; CHECK-NEXT:    shl v0.2d, v0.2d, #56
; CHECK-NEXT:    shl v1.2d, v1.2d, #56
; CHECK-NEXT:    sshr v0.2d, v0.2d, #56
; CHECK-NEXT:    ssra v0.2d, v1.2d, #56
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %xx = sext <2 x i8> %x to <2 x i64>
  %z1 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %xx)
  %yy = sext <2 x i8> %y to <2 x i64>
  %z2 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %yy)
  %z = add i64 %z1, %z2
  ret i64 %z
}

define i64 @add_pair_v2i64_v2i64(<2 x i64> %x, <2 x i64> %y) {
; CHECK-LABEL: add_pair_v2i64_v2i64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    add v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    addp d0, v0.2d
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
entry:
  %z1 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %x)
  %z2 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %y)
  %z = add i64 %z1, %z2
  ret i64 %z
}

declare i16 @llvm.vector.reduce.add.v16i16(<16 x i16>)
declare i16 @llvm.vector.reduce.add.v8i16(<8 x i16>)
declare i32 @llvm.vector.reduce.add.v16i32(<16 x i32>)
declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32>)
declare i32 @llvm.vector.reduce.add.v8i32(<8 x i32>)
declare i64 @llvm.vector.reduce.add.v16i64(<16 x i64>)
declare i64 @llvm.vector.reduce.add.v2i64(<2 x i64>)
declare i64 @llvm.vector.reduce.add.v4i64(<4 x i64>)
declare i64 @llvm.vector.reduce.add.v8i64(<8 x i64>)
declare i8 @llvm.vector.reduce.add.v16i8(<16 x i8>)