test/CodeGen/AArch64/sve-hadd.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu  -mattr=+sve | FileCheck %s -check-prefixes=CHECK,SVE
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu  -mattr=+sve2 | FileCheck %s -check-prefixes=CHECK,SVE2

define <vscale x 2 x i64> @hadds_v2i64(<vscale x 2 x i64> %s0, <vscale x 2 x i64> %s1) {
; SVE-LABEL: hadds_v2i64:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.d, z2.d, #1
; SVE-NEXT:    add z0.d, z0.d, z1.d
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v2i64:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    shadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i64> %s0 to <vscale x 2 x i128>
  %s1s = sext <vscale x 2 x i64> %s1 to <vscale x 2 x i128>
  %m = add nsw <vscale x 2 x i128> %s0s, %s1s
  %s = ashr <vscale x 2 x i128> %m, splat (i128 1)
  %s2 = trunc <vscale x 2 x i128> %s to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %s2
}

define <vscale x 2 x i64> @hadds_v2i64_lsh(<vscale x 2 x i64> %s0, <vscale x 2 x i64> %s1) {
; SVE-LABEL: hadds_v2i64_lsh:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.d, z2.d, #1
; SVE-NEXT:    add z0.d, z0.d, z1.d
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v2i64_lsh:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    shadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i64> %s0 to <vscale x 2 x i128>
  %s1s = sext <vscale x 2 x i64> %s1 to <vscale x 2 x i128>
  %m = add nsw <vscale x 2 x i128> %s0s, %s1s
  %s = lshr <vscale x 2 x i128> %m, splat (i128 1)
  %s2 = trunc <vscale x 2 x i128> %s to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %s2
}

define <vscale x 2 x i64> @haddu_v2i64(<vscale x 2 x i64> %s0, <vscale x 2 x i64> %s1) {
; SVE-LABEL: haddu_v2i64:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z1.d, z2.d, #1
; SVE-NEXT:    add z0.d, z0.d, z1.d
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v2i64:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    uhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 2 x i64> %s0 to <vscale x 2 x i128>
  %s1s = zext <vscale x 2 x i64> %s1 to <vscale x 2 x i128>
  %m = add nuw nsw <vscale x 2 x i128> %s0s, %s1s
  %s = lshr <vscale x 2 x i128> %m, splat (i128 1)
  %s2 = trunc <vscale x 2 x i128> %s to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %s2
}

define <vscale x 2 x i32> @hadds_v2i32(<vscale x 2 x i32> %s0, <vscale x 2 x i32> %s1) {
; SVE-LABEL: hadds_v2i32:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.d
; SVE-NEXT:    sxtw z0.d, p0/m, z0.d
; SVE-NEXT:    adr z0.d, [z0.d, z1.d, sxtw]
; SVE-NEXT:    asr z0.d, z0.d, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v2i32:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    sxtw z1.d, p0/m, z1.d
; SVE2-NEXT:    sxtw z0.d, p0/m, z0.d
; SVE2-NEXT:    shadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i32> %s0 to <vscale x 2 x i64>
  %s1s = sext <vscale x 2 x i32> %s1 to <vscale x 2 x i64>
  %m = add nsw <vscale x 2 x i64> %s0s, %s1s
  %s = ashr <vscale x 2 x i64> %m, splat (i64 1)
  %s2 = trunc <vscale x 2 x i64> %s to <vscale x 2 x i32>
  ret <vscale x 2 x i32> %s2
}

define <vscale x 2 x i32> @hadds_v2i32_lsh(<vscale x 2 x i32> %s0, <vscale x 2 x i32> %s1) {
; CHECK-LABEL: hadds_v2i32_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.d
; CHECK-NEXT:    sxtw z0.d, p0/m, z0.d
; CHECK-NEXT:    adr z0.d, [z0.d, z1.d, sxtw]
; CHECK-NEXT:    lsr z0.d, z0.d, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i32> %s0 to <vscale x 2 x i64>
  %s1s = sext <vscale x 2 x i32> %s1 to <vscale x 2 x i64>
  %m = add nsw <vscale x 2 x i64> %s0s, %s1s
  %s = lshr <vscale x 2 x i64> %m, splat (i64 1)
  %s2 = trunc <vscale x 2 x i64> %s to <vscale x 2 x i32>
  ret <vscale x 2 x i32> %s2
}

define <vscale x 2 x i32> @haddu_v2i32(<vscale x 2 x i32> %s0, <vscale x 2 x i32> %s1) {
; SVE-LABEL: haddu_v2i32:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    and z0.d, z0.d, #0xffffffff
; SVE-NEXT:    adr z0.d, [z0.d, z1.d, uxtw]
; SVE-NEXT:    lsr z0.d, z0.d, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v2i32:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.d, z1.d, #0xffffffff
; SVE2-NEXT:    and z0.d, z0.d, #0xffffffff
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    uhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 2 x i32> %s0 to <vscale x 2 x i64>
  %s1s = zext <vscale x 2 x i32> %s1 to <vscale x 2 x i64>
  %m = add nuw nsw <vscale x 2 x i64> %s0s, %s1s
  %s = lshr <vscale x 2 x i64> %m, splat (i64 1)
  %s2 = trunc <vscale x 2 x i64> %s to <vscale x 2 x i32>
  ret <vscale x 2 x i32> %s2
}

define <vscale x 4 x i32> @hadds_v4i32(<vscale x 4 x i32> %s0, <vscale x 4 x i32> %s1) {
; SVE-LABEL: hadds_v4i32:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.s, z2.s, #1
; SVE-NEXT:    add z0.s, z0.s, z1.s
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v4i32:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    shadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i32> %s0 to <vscale x 4 x i64>
  %s1s = sext <vscale x 4 x i32> %s1 to <vscale x 4 x i64>
  %m = add nsw <vscale x 4 x i64> %s0s, %s1s
  %s = ashr <vscale x 4 x i64> %m, splat (i64 1)
  %s2 = trunc <vscale x 4 x i64> %s to <vscale x 4 x i32>
  ret <vscale x 4 x i32> %s2
}

define <vscale x 4 x i32> @hadds_v4i32_lsh(<vscale x 4 x i32> %s0, <vscale x 4 x i32> %s1) {
; SVE-LABEL: hadds_v4i32_lsh:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.s, z2.s, #1
; SVE-NEXT:    add z0.s, z0.s, z1.s
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v4i32_lsh:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    shadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i32> %s0 to <vscale x 4 x i64>
  %s1s = sext <vscale x 4 x i32> %s1 to <vscale x 4 x i64>
  %m = add nsw <vscale x 4 x i64> %s0s, %s1s
  %s = lshr <vscale x 4 x i64> %m, splat (i64 1)
  %s2 = trunc <vscale x 4 x i64> %s to <vscale x 4 x i32>
  ret <vscale x 4 x i32> %s2
}

define <vscale x 4 x i32> @haddu_v4i32(<vscale x 4 x i32> %s0, <vscale x 4 x i32> %s1) {
; SVE-LABEL: haddu_v4i32:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z1.s, z2.s, #1
; SVE-NEXT:    add z0.s, z0.s, z1.s
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v4i32:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    uhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 4 x i32> %s0 to <vscale x 4 x i64>
  %s1s = zext <vscale x 4 x i32> %s1 to <vscale x 4 x i64>
  %m = add nuw nsw <vscale x 4 x i64> %s0s, %s1s
  %s = lshr <vscale x 4 x i64> %m, splat (i64 1)
  %s2 = trunc <vscale x 4 x i64> %s to <vscale x 4 x i32>
  ret <vscale x 4 x i32> %s2
}

define <vscale x 2 x i16> @hadds_v2i16(<vscale x 2 x i16> %s0, <vscale x 2 x i16> %s1) {
; SVE-LABEL: hadds_v2i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.d
; SVE-NEXT:    sxth z1.d, p0/m, z1.d
; SVE-NEXT:    sxth z0.d, p0/m, z0.d
; SVE-NEXT:    add z0.d, z0.d, z1.d
; SVE-NEXT:    asr z0.d, z0.d, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v2i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    sxth z1.d, p0/m, z1.d
; SVE2-NEXT:    sxth z0.d, p0/m, z0.d
; SVE2-NEXT:    shadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i16> %s0 to <vscale x 2 x i32>
  %s1s = sext <vscale x 2 x i16> %s1 to <vscale x 2 x i32>
  %m = add nsw <vscale x 2 x i32> %s0s, %s1s
  %s = ashr <vscale x 2 x i32> %m, splat (i32 1)
  %s2 = trunc <vscale x 2 x i32> %s to <vscale x 2 x i16>
  ret <vscale x 2 x i16> %s2
}

define <vscale x 2 x i16> @hadds_v2i16_lsh(<vscale x 2 x i16> %s0, <vscale x 2 x i16> %s1) {
; CHECK-LABEL: hadds_v2i16_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.d
; CHECK-NEXT:    sxth z0.d, p0/m, z0.d
; CHECK-NEXT:    sxth z1.d, p0/m, z1.d
; CHECK-NEXT:    add z0.d, z0.d, z1.d
; CHECK-NEXT:    and z0.d, z0.d, #0xffffffff
; CHECK-NEXT:    lsr z0.d, z0.d, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i16> %s0 to <vscale x 2 x i32>
  %s1s = sext <vscale x 2 x i16> %s1 to <vscale x 2 x i32>
  %m = add nsw <vscale x 2 x i32> %s0s, %s1s
  %s = lshr <vscale x 2 x i32> %m, splat (i32 1)
  %s2 = trunc <vscale x 2 x i32> %s to <vscale x 2 x i16>
  ret <vscale x 2 x i16> %s2
}

define <vscale x 2 x i16> @haddu_v2i16(<vscale x 2 x i16> %s0, <vscale x 2 x i16> %s1) {
; SVE-LABEL: haddu_v2i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    and z1.d, z1.d, #0xffff
; SVE-NEXT:    and z0.d, z0.d, #0xffff
; SVE-NEXT:    add z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z0.d, z0.d, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v2i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.d, z1.d, #0xffff
; SVE2-NEXT:    and z0.d, z0.d, #0xffff
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    uhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 2 x i16> %s0 to <vscale x 2 x i32>
  %s1s = zext <vscale x 2 x i16> %s1 to <vscale x 2 x i32>
  %m = add nuw nsw <vscale x 2 x i32> %s0s, %s1s
  %s = lshr <vscale x 2 x i32> %m, splat (i32 1)
  %s2 = trunc <vscale x 2 x i32> %s to <vscale x 2 x i16>
  ret <vscale x 2 x i16> %s2
}

define <vscale x 4 x i16> @hadds_v4i16(<vscale x 4 x i16> %s0, <vscale x 4 x i16> %s1) {
; SVE-LABEL: hadds_v4i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.s
; SVE-NEXT:    sxth z1.s, p0/m, z1.s
; SVE-NEXT:    sxth z0.s, p0/m, z0.s
; SVE-NEXT:    add z0.s, z0.s, z1.s
; SVE-NEXT:    asr z0.s, z0.s, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v4i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    sxth z1.s, p0/m, z1.s
; SVE2-NEXT:    sxth z0.s, p0/m, z0.s
; SVE2-NEXT:    shadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i16> %s0 to <vscale x 4 x i32>
  %s1s = sext <vscale x 4 x i16> %s1 to <vscale x 4 x i32>
  %m = add nsw <vscale x 4 x i32> %s0s, %s1s
  %s = ashr <vscale x 4 x i32> %m, splat (i32 1)
  %s2 = trunc <vscale x 4 x i32> %s to <vscale x 4 x i16>
  ret <vscale x 4 x i16> %s2
}

define <vscale x 4 x i16> @hadds_v4i16_lsh(<vscale x 4 x i16> %s0, <vscale x 4 x i16> %s1) {
; CHECK-LABEL: hadds_v4i16_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.s
; CHECK-NEXT:    sxth z0.s, p0/m, z0.s
; CHECK-NEXT:    sxth z1.s, p0/m, z1.s
; CHECK-NEXT:    add z0.s, z0.s, z1.s
; CHECK-NEXT:    lsr z0.s, z0.s, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i16> %s0 to <vscale x 4 x i32>
  %s1s = sext <vscale x 4 x i16> %s1 to <vscale x 4 x i32>
  %m = add nsw <vscale x 4 x i32> %s0s, %s1s
  %s = lshr <vscale x 4 x i32> %m, splat (i32 1)
  %s2 = trunc <vscale x 4 x i32> %s to <vscale x 4 x i16>
  ret <vscale x 4 x i16> %s2
}

define <vscale x 4 x i16> @haddu_v4i16(<vscale x 4 x i16> %s0, <vscale x 4 x i16> %s1) {
; SVE-LABEL: haddu_v4i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    and z1.s, z1.s, #0xffff
; SVE-NEXT:    and z0.s, z0.s, #0xffff
; SVE-NEXT:    add z0.s, z0.s, z1.s
; SVE-NEXT:    lsr z0.s, z0.s, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v4i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.s, z1.s, #0xffff
; SVE2-NEXT:    and z0.s, z0.s, #0xffff
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    uhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 4 x i16> %s0 to <vscale x 4 x i32>
  %s1s = zext <vscale x 4 x i16> %s1 to <vscale x 4 x i32>
  %m = add nuw nsw <vscale x 4 x i32> %s0s, %s1s
  %s = lshr <vscale x 4 x i32> %m, splat (i32 1)
  %s2 = trunc <vscale x 4 x i32> %s to <vscale x 4 x i16>
  ret <vscale x 4 x i16> %s2
}

define <vscale x 8 x i16> @hadds_v8i16(<vscale x 8 x i16> %s0, <vscale x 8 x i16> %s1) {
; SVE-LABEL: hadds_v8i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.h, z2.h, #1
; SVE-NEXT:    add z0.h, z0.h, z1.h
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v8i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    shadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 8 x i16> %s0 to <vscale x 8 x i32>
  %s1s = sext <vscale x 8 x i16> %s1 to <vscale x 8 x i32>
  %m = add nsw <vscale x 8 x i32> %s0s, %s1s
  %s = ashr <vscale x 8 x i32> %m, splat (i32 1)
  %s2 = trunc <vscale x 8 x i32> %s to <vscale x 8 x i16>
  ret <vscale x 8 x i16> %s2
}

define <vscale x 8 x i16> @hadds_v8i16_lsh(<vscale x 8 x i16> %s0, <vscale x 8 x i16> %s1) {
; SVE-LABEL: hadds_v8i16_lsh:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.h, z2.h, #1
; SVE-NEXT:    add z0.h, z0.h, z1.h
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v8i16_lsh:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    shadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 8 x i16> %s0 to <vscale x 8 x i32>
  %s1s = sext <vscale x 8 x i16> %s1 to <vscale x 8 x i32>
  %m = add nsw <vscale x 8 x i32> %s0s, %s1s
  %s = lshr <vscale x 8 x i32> %m, splat (i32 1)
  %s2 = trunc <vscale x 8 x i32> %s to <vscale x 8 x i16>
  ret <vscale x 8 x i16> %s2
}

define <vscale x 8 x i16> @haddu_v8i16(<vscale x 8 x i16> %s0, <vscale x 8 x i16> %s1) {
; SVE-LABEL: haddu_v8i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z1.h, z2.h, #1
; SVE-NEXT:    add z0.h, z0.h, z1.h
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v8i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    uhadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 8 x i16> %s0 to <vscale x 8 x i32>
  %s1s = zext <vscale x 8 x i16> %s1 to <vscale x 8 x i32>
  %m = add nuw nsw <vscale x 8 x i32> %s0s, %s1s
  %s = lshr <vscale x 8 x i32> %m, splat (i32 1)
  %s2 = trunc <vscale x 8 x i32> %s to <vscale x 8 x i16>
  ret <vscale x 8 x i16> %s2
}

define <vscale x 4 x i8> @hadds_v4i8(<vscale x 4 x i8> %s0, <vscale x 4 x i8> %s1) {
; SVE-LABEL: hadds_v4i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.s
; SVE-NEXT:    sxtb z1.s, p0/m, z1.s
; SVE-NEXT:    sxtb z0.s, p0/m, z0.s
; SVE-NEXT:    add z0.s, z0.s, z1.s
; SVE-NEXT:    asr z0.s, z0.s, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v4i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    sxtb z1.s, p0/m, z1.s
; SVE2-NEXT:    sxtb z0.s, p0/m, z0.s
; SVE2-NEXT:    shadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i8> %s0 to <vscale x 4 x i16>
  %s1s = sext <vscale x 4 x i8> %s1 to <vscale x 4 x i16>
  %m = add nsw <vscale x 4 x i16> %s0s, %s1s
  %s = ashr <vscale x 4 x i16> %m, splat (i16 1)
  %s2 = trunc <vscale x 4 x i16> %s to <vscale x 4 x i8>
  ret <vscale x 4 x i8> %s2
}

define <vscale x 4 x i8> @hadds_v4i8_lsh(<vscale x 4 x i8> %s0, <vscale x 4 x i8> %s1) {
; CHECK-LABEL: hadds_v4i8_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.s
; CHECK-NEXT:    sxtb z0.s, p0/m, z0.s
; CHECK-NEXT:    sxtb z1.s, p0/m, z1.s
; CHECK-NEXT:    add z0.s, z0.s, z1.s
; CHECK-NEXT:    and z0.s, z0.s, #0xffff
; CHECK-NEXT:    lsr z0.s, z0.s, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i8> %s0 to <vscale x 4 x i16>
  %s1s = sext <vscale x 4 x i8> %s1 to <vscale x 4 x i16>
  %m = add nsw <vscale x 4 x i16> %s0s, %s1s
  %s = lshr <vscale x 4 x i16> %m, splat (i16 1)
  %s2 = trunc <vscale x 4 x i16> %s to <vscale x 4 x i8>
  ret <vscale x 4 x i8> %s2
}

define <vscale x 4 x i8> @haddu_v4i8(<vscale x 4 x i8> %s0, <vscale x 4 x i8> %s1) {
; SVE-LABEL: haddu_v4i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    and z1.s, z1.s, #0xff
; SVE-NEXT:    and z0.s, z0.s, #0xff
; SVE-NEXT:    add z0.s, z0.s, z1.s
; SVE-NEXT:    lsr z0.s, z0.s, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v4i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.s, z1.s, #0xff
; SVE2-NEXT:    and z0.s, z0.s, #0xff
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    uhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 4 x i8> %s0 to <vscale x 4 x i16>
  %s1s = zext <vscale x 4 x i8> %s1 to <vscale x 4 x i16>
  %m = add nuw nsw <vscale x 4 x i16> %s0s, %s1s
  %s = lshr <vscale x 4 x i16> %m, splat (i16 1)
  %s2 = trunc <vscale x 4 x i16> %s to <vscale x 4 x i8>
  ret <vscale x 4 x i8> %s2
}

define <vscale x 8 x i8> @hadds_v8i8(<vscale x 8 x i8> %s0, <vscale x 8 x i8> %s1) {
; SVE-LABEL: hadds_v8i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.h
; SVE-NEXT:    sxtb z1.h, p0/m, z1.h
; SVE-NEXT:    sxtb z0.h, p0/m, z0.h
; SVE-NEXT:    add z0.h, z0.h, z1.h
; SVE-NEXT:    asr z0.h, z0.h, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v8i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    sxtb z1.h, p0/m, z1.h
; SVE2-NEXT:    sxtb z0.h, p0/m, z0.h
; SVE2-NEXT:    shadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 8 x i8> %s0 to <vscale x 8 x i16>
  %s1s = sext <vscale x 8 x i8> %s1 to <vscale x 8 x i16>
  %m = add nsw <vscale x 8 x i16> %s0s, %s1s
  %s = ashr <vscale x 8 x i16> %m, splat (i16 1)
  %s2 = trunc <vscale x 8 x i16> %s to <vscale x 8 x i8>
  ret <vscale x 8 x i8> %s2
}

define <vscale x 8 x i8> @hadds_v8i8_lsh(<vscale x 8 x i8> %s0, <vscale x 8 x i8> %s1) {
; CHECK-LABEL: hadds_v8i8_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.h
; CHECK-NEXT:    sxtb z0.h, p0/m, z0.h
; CHECK-NEXT:    sxtb z1.h, p0/m, z1.h
; CHECK-NEXT:    add z0.h, z0.h, z1.h
; CHECK-NEXT:    lsr z0.h, z0.h, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 8 x i8> %s0 to <vscale x 8 x i16>
  %s1s = sext <vscale x 8 x i8> %s1 to <vscale x 8 x i16>
  %m = add nsw <vscale x 8 x i16> %s0s, %s1s
  %s = lshr <vscale x 8 x i16> %m, splat (i16 1)
  %s2 = trunc <vscale x 8 x i16> %s to <vscale x 8 x i8>
  ret <vscale x 8 x i8> %s2
}

define <vscale x 8 x i8> @haddu_v8i8(<vscale x 8 x i8> %s0, <vscale x 8 x i8> %s1) {
; SVE-LABEL: haddu_v8i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    and z1.h, z1.h, #0xff
; SVE-NEXT:    and z0.h, z0.h, #0xff
; SVE-NEXT:    add z0.h, z0.h, z1.h
; SVE-NEXT:    lsr z0.h, z0.h, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v8i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.h, z1.h, #0xff
; SVE2-NEXT:    and z0.h, z0.h, #0xff
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    uhadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 8 x i8> %s0 to <vscale x 8 x i16>
  %s1s = zext <vscale x 8 x i8> %s1 to <vscale x 8 x i16>
  %m = add nuw nsw <vscale x 8 x i16> %s0s, %s1s
  %s = lshr <vscale x 8 x i16> %m, splat (i16 1)
  %s2 = trunc <vscale x 8 x i16> %s to <vscale x 8 x i8>
  ret <vscale x 8 x i8> %s2
}

define <vscale x 16 x i8> @hadds_v16i8(<vscale x 16 x i8> %s0, <vscale x 16 x i8> %s1) {
; SVE-LABEL: hadds_v16i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.b, z2.b, #1
; SVE-NEXT:    add z0.b, z0.b, z1.b
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v16i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.b
; SVE2-NEXT:    shadd z0.b, p0/m, z0.b, z1.b
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 16 x i8> %s0 to <vscale x 16 x i16>
  %s1s = sext <vscale x 16 x i8> %s1 to <vscale x 16 x i16>
  %m = add nsw <vscale x 16 x i16> %s0s, %s1s
  %s = ashr <vscale x 16 x i16> %m, splat (i16 1)
  %s2 = trunc <vscale x 16 x i16> %s to <vscale x 16 x i8>
  ret <vscale x 16 x i8> %s2
}

define <vscale x 16 x i8> @hadds_v16i8_lsh(<vscale x 16 x i8> %s0, <vscale x 16 x i8> %s1) {
; SVE-LABEL: hadds_v16i8_lsh:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.b, z2.b, #1
; SVE-NEXT:    add z0.b, z0.b, z1.b
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v16i8_lsh:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.b
; SVE2-NEXT:    shadd z0.b, p0/m, z0.b, z1.b
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 16 x i8> %s0 to <vscale x 16 x i16>
  %s1s = sext <vscale x 16 x i8> %s1 to <vscale x 16 x i16>
  %m = add nsw <vscale x 16 x i16> %s0s, %s1s
  %s = lshr <vscale x 16 x i16> %m, splat (i16 1)
  %s2 = trunc <vscale x 16 x i16> %s to <vscale x 16 x i8>
  ret <vscale x 16 x i8> %s2
}

define <vscale x 16 x i8> @haddu_v16i8(<vscale x 16 x i8> %s0, <vscale x 16 x i8> %s1) {
; SVE-LABEL: haddu_v16i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z1.b, z2.b, #1
; SVE-NEXT:    add z0.b, z0.b, z1.b
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v16i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.b
; SVE2-NEXT:    uhadd z0.b, p0/m, z0.b, z1.b
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 16 x i8> %s0 to <vscale x 16 x i16>
  %s1s = zext <vscale x 16 x i8> %s1 to <vscale x 16 x i16>
  %m = add nuw nsw <vscale x 16 x i16> %s0s, %s1s
  %s = lshr <vscale x 16 x i16> %m, splat (i16 1)
  %s2 = trunc <vscale x 16 x i16> %s to <vscale x 16 x i8>
  ret <vscale x 16 x i8> %s2
}

define <vscale x 2 x i64> @rhadds_v2i64(<vscale x 2 x i64> %s0, <vscale x 2 x i64> %s1) {
; SVE-LABEL: rhadds_v2i64:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.d, z2.d, #1
; SVE-NEXT:    sub z0.d, z0.d, z1.d
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v2i64:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    srhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i64> %s0 to <vscale x 2 x i128>
  %s1s = sext <vscale x 2 x i64> %s1 to <vscale x 2 x i128>
  %add = add <vscale x 2 x i128> %s0s, splat (i128 1)
  %add2 = add <vscale x 2 x i128> %add, %s1s
  %s = ashr <vscale x 2 x i128> %add2, splat (i128 1)
  %result = trunc <vscale x 2 x i128> %s to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %result
}

define <vscale x 2 x i64> @rhadds_v2i64_lsh(<vscale x 2 x i64> %s0, <vscale x 2 x i64> %s1) {
; SVE-LABEL: rhadds_v2i64_lsh:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.d, z2.d, #1
; SVE-NEXT:    sub z0.d, z0.d, z1.d
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v2i64_lsh:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    srhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i64> %s0 to <vscale x 2 x i128>
  %s1s = sext <vscale x 2 x i64> %s1 to <vscale x 2 x i128>
  %add = add <vscale x 2 x i128> %s0s, splat (i128 1)
  %add2 = add <vscale x 2 x i128> %add, %s1s
  %s = lshr <vscale x 2 x i128> %add2, splat (i128 1)
  %result = trunc <vscale x 2 x i128> %s to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %result
}

define <vscale x 2 x i64> @rhaddu_v2i64(<vscale x 2 x i64> %s0, <vscale x 2 x i64> %s1) {
; SVE-LABEL: rhaddu_v2i64:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z1.d, z2.d, #1
; SVE-NEXT:    sub z0.d, z0.d, z1.d
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhaddu_v2i64:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    urhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 2 x i64> %s0 to <vscale x 2 x i128>
  %s1s = zext <vscale x 2 x i64> %s1 to <vscale x 2 x i128>
  %add = add nuw nsw <vscale x 2 x i128> %s0s, splat (i128 1)
  %add2 = add nuw nsw <vscale x 2 x i128> %add, %s1s
  %s = lshr <vscale x 2 x i128> %add2, splat (i128 1)
  %result = trunc <vscale x 2 x i128> %s to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %result
}

define <vscale x 2 x i32> @rhadds_v2i32(<vscale x 2 x i32> %s0, <vscale x 2 x i32> %s1) {
; SVE-LABEL: rhadds_v2i32:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.d
; SVE-NEXT:    mov z2.d, #-1 // =0xffffffffffffffff
; SVE-NEXT:    sxtw z0.d, p0/m, z0.d
; SVE-NEXT:    sxtw z1.d, p0/m, z1.d
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.d, z1.d, z0.d
; SVE-NEXT:    asr z0.d, z0.d, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v2i32:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    sxtw z1.d, p0/m, z1.d
; SVE2-NEXT:    sxtw z0.d, p0/m, z0.d
; SVE2-NEXT:    srhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i32> %s0 to <vscale x 2 x i64>
  %s1s = sext <vscale x 2 x i32> %s1 to <vscale x 2 x i64>
  %add = add <vscale x 2 x i64> %s0s, splat (i64 1)
  %add2 = add <vscale x 2 x i64> %add, %s1s
  %s = ashr <vscale x 2 x i64> %add2, splat (i64 1)
  %result = trunc <vscale x 2 x i64> %s to <vscale x 2 x i32>
  ret <vscale x 2 x i32> %result
}

define <vscale x 2 x i32> @rhadds_v2i32_lsh(<vscale x 2 x i32> %s0, <vscale x 2 x i32> %s1) {
; CHECK-LABEL: rhadds_v2i32_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.d
; CHECK-NEXT:    mov z2.d, #-1 // =0xffffffffffffffff
; CHECK-NEXT:    sxtw z0.d, p0/m, z0.d
; CHECK-NEXT:    sxtw z1.d, p0/m, z1.d
; CHECK-NEXT:    eor z0.d, z0.d, z2.d
; CHECK-NEXT:    sub z0.d, z1.d, z0.d
; CHECK-NEXT:    lsr z0.d, z0.d, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i32> %s0 to <vscale x 2 x i64>
  %s1s = sext <vscale x 2 x i32> %s1 to <vscale x 2 x i64>
  %add = add <vscale x 2 x i64> %s0s, splat (i64 1)
  %add2 = add <vscale x 2 x i64> %add, %s1s
  %s = lshr <vscale x 2 x i64> %add2, splat (i64 1)
  %result = trunc <vscale x 2 x i64> %s to <vscale x 2 x i32>
  ret <vscale x 2 x i32> %result
}

define <vscale x 2 x i32> @rhaddu_v2i32(<vscale x 2 x i32> %s0, <vscale x 2 x i32> %s1) {
; SVE-LABEL: rhaddu_v2i32:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    mov z2.d, #-1 // =0xffffffffffffffff
; SVE-NEXT:    and z0.d, z0.d, #0xffffffff
; SVE-NEXT:    and z1.d, z1.d, #0xffffffff
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.d, z1.d, z0.d
; SVE-NEXT:    lsr z0.d, z0.d, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhaddu_v2i32:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.d, z1.d, #0xffffffff
; SVE2-NEXT:    and z0.d, z0.d, #0xffffffff
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    urhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 2 x i32> %s0 to <vscale x 2 x i64>
  %s1s = zext <vscale x 2 x i32> %s1 to <vscale x 2 x i64>
  %add = add nuw nsw <vscale x 2 x i64> %s0s, splat (i64 1)
  %add2 = add nuw nsw <vscale x 2 x i64> %add, %s1s
  %s = lshr <vscale x 2 x i64> %add2, splat (i64 1)
  %result = trunc <vscale x 2 x i64> %s to <vscale x 2 x i32>
  ret <vscale x 2 x i32> %result
}

define <vscale x 4 x i32> @rhadds_v4i32(<vscale x 4 x i32> %s0, <vscale x 4 x i32> %s1) {
; SVE-LABEL: rhadds_v4i32:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.s, z2.s, #1
; SVE-NEXT:    sub z0.s, z0.s, z1.s
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v4i32:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    srhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i32> %s0 to <vscale x 4 x i64>
  %s1s = sext <vscale x 4 x i32> %s1 to <vscale x 4 x i64>
  %add = add <vscale x 4 x i64> %s0s, splat (i64 1)
  %add2 = add <vscale x 4 x i64> %add, %s1s
  %s = ashr <vscale x 4 x i64> %add2, splat (i64 1)
  %result = trunc <vscale x 4 x i64> %s to <vscale x 4 x i32>
  ret <vscale x 4 x i32> %result
}

define <vscale x 4 x i32> @rhadds_v4i32_lsh(<vscale x 4 x i32> %s0, <vscale x 4 x i32> %s1) {
; SVE-LABEL: rhadds_v4i32_lsh:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.s, z2.s, #1
; SVE-NEXT:    sub z0.s, z0.s, z1.s
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v4i32_lsh:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    srhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i32> %s0 to <vscale x 4 x i64>
  %s1s = sext <vscale x 4 x i32> %s1 to <vscale x 4 x i64>
  %add = add <vscale x 4 x i64> %s0s, splat (i64 1)
  %add2 = add <vscale x 4 x i64> %add, %s1s
  %s = lshr <vscale x 4 x i64> %add2, splat (i64 1)
  %result = trunc <vscale x 4 x i64> %s to <vscale x 4 x i32>
  ret <vscale x 4 x i32> %result
}

define <vscale x 4 x i32> @rhaddu_v4i32(<vscale x 4 x i32> %s0, <vscale x 4 x i32> %s1) {
; SVE-LABEL: rhaddu_v4i32:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z1.s, z2.s, #1
; SVE-NEXT:    sub z0.s, z0.s, z1.s
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhaddu_v4i32:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    urhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 4 x i32> %s0 to <vscale x 4 x i64>
  %s1s = zext <vscale x 4 x i32> %s1 to <vscale x 4 x i64>
  %add = add nuw nsw <vscale x 4 x i64> %s0s, splat (i64 1)
  %add2 = add nuw nsw <vscale x 4 x i64> %add, %s1s
  %s = lshr <vscale x 4 x i64> %add2, splat (i64 1)
  %result = trunc <vscale x 4 x i64> %s to <vscale x 4 x i32>
  ret <vscale x 4 x i32> %result
}

define <vscale x 2 x i16> @rhadds_v2i16(<vscale x 2 x i16> %s0, <vscale x 2 x i16> %s1) {
; SVE-LABEL: rhadds_v2i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.d
; SVE-NEXT:    mov z2.d, #-1 // =0xffffffffffffffff
; SVE-NEXT:    sxth z0.d, p0/m, z0.d
; SVE-NEXT:    sxth z1.d, p0/m, z1.d
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.d, z1.d, z0.d
; SVE-NEXT:    asr z0.d, z0.d, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v2i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    sxth z1.d, p0/m, z1.d
; SVE2-NEXT:    sxth z0.d, p0/m, z0.d
; SVE2-NEXT:    srhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i16> %s0 to <vscale x 2 x i32>
  %s1s = sext <vscale x 2 x i16> %s1 to <vscale x 2 x i32>
  %add = add <vscale x 2 x i32> %s0s, splat (i32 1)
  %add2 = add <vscale x 2 x i32> %add, %s1s
  %s = ashr <vscale x 2 x i32> %add2, splat (i32 1)
  %result = trunc <vscale x 2 x i32> %s to <vscale x 2 x i16>
  ret <vscale x 2 x i16> %result
}

define <vscale x 2 x i16> @rhadds_v2i16_lsh(<vscale x 2 x i16> %s0, <vscale x 2 x i16> %s1) {
; CHECK-LABEL: rhadds_v2i16_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.d
; CHECK-NEXT:    mov z2.d, #-1 // =0xffffffffffffffff
; CHECK-NEXT:    sxth z0.d, p0/m, z0.d
; CHECK-NEXT:    sxth z1.d, p0/m, z1.d
; CHECK-NEXT:    eor z0.d, z0.d, z2.d
; CHECK-NEXT:    sub z0.d, z1.d, z0.d
; CHECK-NEXT:    and z0.d, z0.d, #0xffffffff
; CHECK-NEXT:    lsr z0.d, z0.d, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 2 x i16> %s0 to <vscale x 2 x i32>
  %s1s = sext <vscale x 2 x i16> %s1 to <vscale x 2 x i32>
  %add = add <vscale x 2 x i32> %s0s, splat (i32 1)
  %add2 = add <vscale x 2 x i32> %add, %s1s
  %s = lshr <vscale x 2 x i32> %add2, splat (i32 1)
  %result = trunc <vscale x 2 x i32> %s to <vscale x 2 x i16>
  ret <vscale x 2 x i16> %result
}

define <vscale x 2 x i16> @rhaddu_v2i16(<vscale x 2 x i16> %s0, <vscale x 2 x i16> %s1) {
; SVE-LABEL: rhaddu_v2i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    mov z2.d, #-1 // =0xffffffffffffffff
; SVE-NEXT:    and z0.d, z0.d, #0xffff
; SVE-NEXT:    and z1.d, z1.d, #0xffff
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.d, z1.d, z0.d
; SVE-NEXT:    lsr z0.d, z0.d, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhaddu_v2i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.d, z1.d, #0xffff
; SVE2-NEXT:    and z0.d, z0.d, #0xffff
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    urhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 2 x i16> %s0 to <vscale x 2 x i32>
  %s1s = zext <vscale x 2 x i16> %s1 to <vscale x 2 x i32>
  %add = add nuw nsw <vscale x 2 x i32> %s0s, splat (i32 1)
  %add2 = add nuw nsw <vscale x 2 x i32> %add, %s1s
  %s = lshr <vscale x 2 x i32> %add2, splat (i32 1)
  %result = trunc <vscale x 2 x i32> %s to <vscale x 2 x i16>
  ret <vscale x 2 x i16> %result
}

define <vscale x 4 x i16> @rhadds_v4i16(<vscale x 4 x i16> %s0, <vscale x 4 x i16> %s1) {
; SVE-LABEL: rhadds_v4i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.s
; SVE-NEXT:    mov z2.s, #-1 // =0xffffffffffffffff
; SVE-NEXT:    sxth z0.s, p0/m, z0.s
; SVE-NEXT:    sxth z1.s, p0/m, z1.s
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.s, z1.s, z0.s
; SVE-NEXT:    asr z0.s, z0.s, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v4i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    sxth z1.s, p0/m, z1.s
; SVE2-NEXT:    sxth z0.s, p0/m, z0.s
; SVE2-NEXT:    srhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i16> %s0 to <vscale x 4 x i32>
  %s1s = sext <vscale x 4 x i16> %s1 to <vscale x 4 x i32>
  %add = add <vscale x 4 x i32> %s0s, splat (i32 1)
  %add2 = add <vscale x 4 x i32> %add, %s1s
  %s = ashr <vscale x 4 x i32> %add2, splat (i32 1)
  %result = trunc <vscale x 4 x i32> %s to <vscale x 4 x i16>
  ret <vscale x 4 x i16> %result
}

define <vscale x 4 x i16> @rhadds_v4i16_lsh(<vscale x 4 x i16> %s0, <vscale x 4 x i16> %s1) {
; CHECK-LABEL: rhadds_v4i16_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.s
; CHECK-NEXT:    mov z2.s, #-1 // =0xffffffffffffffff
; CHECK-NEXT:    sxth z0.s, p0/m, z0.s
; CHECK-NEXT:    sxth z1.s, p0/m, z1.s
; CHECK-NEXT:    eor z0.d, z0.d, z2.d
; CHECK-NEXT:    sub z0.s, z1.s, z0.s
; CHECK-NEXT:    lsr z0.s, z0.s, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i16> %s0 to <vscale x 4 x i32>
  %s1s = sext <vscale x 4 x i16> %s1 to <vscale x 4 x i32>
  %add = add <vscale x 4 x i32> %s0s, splat (i32 1)
  %add2 = add <vscale x 4 x i32> %add, %s1s
  %s = lshr <vscale x 4 x i32> %add2, splat (i32 1)
  %result = trunc <vscale x 4 x i32> %s to <vscale x 4 x i16>
  ret <vscale x 4 x i16> %result
}

define <vscale x 4 x i16> @rhaddu_v4i16(<vscale x 4 x i16> %s0, <vscale x 4 x i16> %s1) {
; SVE-LABEL: rhaddu_v4i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    mov z2.s, #-1 // =0xffffffffffffffff
; SVE-NEXT:    and z0.s, z0.s, #0xffff
; SVE-NEXT:    and z1.s, z1.s, #0xffff
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.s, z1.s, z0.s
; SVE-NEXT:    lsr z0.s, z0.s, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhaddu_v4i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.s, z1.s, #0xffff
; SVE2-NEXT:    and z0.s, z0.s, #0xffff
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    urhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 4 x i16> %s0 to <vscale x 4 x i32>
  %s1s = zext <vscale x 4 x i16> %s1 to <vscale x 4 x i32>
  %add = add nuw nsw <vscale x 4 x i32> %s0s, splat (i32 1)
  %add2 = add nuw nsw <vscale x 4 x i32> %add, %s1s
  %s = lshr <vscale x 4 x i32> %add2, splat (i32 1)
  %result = trunc <vscale x 4 x i32> %s to <vscale x 4 x i16>
  ret <vscale x 4 x i16> %result
}

define <vscale x 8 x i16> @rhadds_v8i16(<vscale x 8 x i16> %s0, <vscale x 8 x i16> %s1) {
; SVE-LABEL: rhadds_v8i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.h, z2.h, #1
; SVE-NEXT:    sub z0.h, z0.h, z1.h
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v8i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    srhadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 8 x i16> %s0 to <vscale x 8 x i32>
  %s1s = sext <vscale x 8 x i16> %s1 to <vscale x 8 x i32>
  %add = add <vscale x 8 x i32> %s0s, splat (i32 1)
  %add2 = add <vscale x 8 x i32> %add, %s1s
  %s = ashr <vscale x 8 x i32> %add2, splat (i32 1)
  %result = trunc <vscale x 8 x i32> %s to <vscale x 8 x i16>
  ret <vscale x 8 x i16> %result
}

define <vscale x 8 x i16> @rhadds_v8i16_lsh(<vscale x 8 x i16> %s0, <vscale x 8 x i16> %s1) {
; SVE-LABEL: rhadds_v8i16_lsh:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.h, z2.h, #1
; SVE-NEXT:    sub z0.h, z0.h, z1.h
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v8i16_lsh:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    srhadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 8 x i16> %s0 to <vscale x 8 x i32>
  %s1s = sext <vscale x 8 x i16> %s1 to <vscale x 8 x i32>
  %add = add <vscale x 8 x i32> %s0s, splat (i32 1)
  %add2 = add <vscale x 8 x i32> %add, %s1s
  %s = lshr <vscale x 8 x i32> %add2, splat (i32 1)
  %result = trunc <vscale x 8 x i32> %s to <vscale x 8 x i16>
  ret <vscale x 8 x i16> %result
}

define <vscale x 8 x i16> @rhaddu_v8i16(<vscale x 8 x i16> %s0, <vscale x 8 x i16> %s1) {
; SVE-LABEL: rhaddu_v8i16:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z1.h, z2.h, #1
; SVE-NEXT:    sub z0.h, z0.h, z1.h
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhaddu_v8i16:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    urhadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 8 x i16> %s0 to <vscale x 8 x i32>
  %s1s = zext <vscale x 8 x i16> %s1 to <vscale x 8 x i32>
  %add = add nuw nsw <vscale x 8 x i32> %s0s, splat (i32 1)
  %add2 = add nuw nsw <vscale x 8 x i32> %add, %s1s
  %s = lshr <vscale x 8 x i32> %add2, splat (i32 1)
  %result = trunc <vscale x 8 x i32> %s to <vscale x 8 x i16>
  ret <vscale x 8 x i16> %result
}

define <vscale x 4 x i8> @rhadds_v4i8(<vscale x 4 x i8> %s0, <vscale x 4 x i8> %s1) {
; SVE-LABEL: rhadds_v4i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.s
; SVE-NEXT:    mov z2.s, #-1 // =0xffffffffffffffff
; SVE-NEXT:    sxtb z0.s, p0/m, z0.s
; SVE-NEXT:    sxtb z1.s, p0/m, z1.s
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.s, z1.s, z0.s
; SVE-NEXT:    asr z0.s, z0.s, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v4i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    sxtb z1.s, p0/m, z1.s
; SVE2-NEXT:    sxtb z0.s, p0/m, z0.s
; SVE2-NEXT:    srhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i8> %s0 to <vscale x 4 x i16>
  %s1s = sext <vscale x 4 x i8> %s1 to <vscale x 4 x i16>
  %add = add <vscale x 4 x i16> %s0s, splat (i16 1)
  %add2 = add <vscale x 4 x i16> %add, %s1s
  %s = ashr <vscale x 4 x i16> %add2, splat (i16 1)
  %result = trunc <vscale x 4 x i16> %s to <vscale x 4 x i8>
  ret <vscale x 4 x i8> %result
}

define <vscale x 4 x i8> @rhadds_v4i8_lsh(<vscale x 4 x i8> %s0, <vscale x 4 x i8> %s1) {
; CHECK-LABEL: rhadds_v4i8_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.s
; CHECK-NEXT:    mov z2.s, #-1 // =0xffffffffffffffff
; CHECK-NEXT:    sxtb z0.s, p0/m, z0.s
; CHECK-NEXT:    sxtb z1.s, p0/m, z1.s
; CHECK-NEXT:    eor z0.d, z0.d, z2.d
; CHECK-NEXT:    sub z0.s, z1.s, z0.s
; CHECK-NEXT:    and z0.s, z0.s, #0xffff
; CHECK-NEXT:    lsr z0.s, z0.s, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 4 x i8> %s0 to <vscale x 4 x i16>
  %s1s = sext <vscale x 4 x i8> %s1 to <vscale x 4 x i16>
  %add = add <vscale x 4 x i16> %s0s, splat (i16 1)
  %add2 = add <vscale x 4 x i16> %add, %s1s
  %s = lshr <vscale x 4 x i16> %add2, splat (i16 1)
  %result = trunc <vscale x 4 x i16> %s to <vscale x 4 x i8>
  ret <vscale x 4 x i8> %result
}

define <vscale x 4 x i8> @rhaddu_v4i8(<vscale x 4 x i8> %s0, <vscale x 4 x i8> %s1) {
; SVE-LABEL: rhaddu_v4i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    mov z2.s, #-1 // =0xffffffffffffffff
; SVE-NEXT:    and z0.s, z0.s, #0xff
; SVE-NEXT:    and z1.s, z1.s, #0xff
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.s, z1.s, z0.s
; SVE-NEXT:    lsr z0.s, z0.s, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhaddu_v4i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.s, z1.s, #0xff
; SVE2-NEXT:    and z0.s, z0.s, #0xff
; SVE2-NEXT:    ptrue p0.s
; SVE2-NEXT:    urhadd z0.s, p0/m, z0.s, z1.s
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 4 x i8> %s0 to <vscale x 4 x i16>
  %s1s = zext <vscale x 4 x i8> %s1 to <vscale x 4 x i16>
  %add = add nuw nsw <vscale x 4 x i16> %s0s, splat (i16 1)
  %add2 = add nuw nsw <vscale x 4 x i16> %add, %s1s
  %s = lshr <vscale x 4 x i16> %add2, splat (i16 1)
  %result = trunc <vscale x 4 x i16> %s to <vscale x 4 x i8>
  ret <vscale x 4 x i8> %result
}

define <vscale x 8 x i8> @rhadds_v8i8(<vscale x 8 x i8> %s0, <vscale x 8 x i8> %s1) {
; SVE-LABEL: rhadds_v8i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    ptrue p0.h
; SVE-NEXT:    mov z2.h, #-1 // =0xffffffffffffffff
; SVE-NEXT:    sxtb z0.h, p0/m, z0.h
; SVE-NEXT:    sxtb z1.h, p0/m, z1.h
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.h, z1.h, z0.h
; SVE-NEXT:    asr z0.h, z0.h, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v8i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    sxtb z1.h, p0/m, z1.h
; SVE2-NEXT:    sxtb z0.h, p0/m, z0.h
; SVE2-NEXT:    srhadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 8 x i8> %s0 to <vscale x 8 x i16>
  %s1s = sext <vscale x 8 x i8> %s1 to <vscale x 8 x i16>
  %add = add <vscale x 8 x i16> %s0s, splat (i16 1)
  %add2 = add <vscale x 8 x i16> %add, %s1s
  %s = ashr <vscale x 8 x i16> %add2, splat (i16 1)
  %result = trunc <vscale x 8 x i16> %s to <vscale x 8 x i8>
  ret <vscale x 8 x i8> %result
}

define <vscale x 8 x i8> @rhadds_v8i8_lsh(<vscale x 8 x i8> %s0, <vscale x 8 x i8> %s1) {
; CHECK-LABEL: rhadds_v8i8_lsh:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.h
; CHECK-NEXT:    mov z2.h, #-1 // =0xffffffffffffffff
; CHECK-NEXT:    sxtb z0.h, p0/m, z0.h
; CHECK-NEXT:    sxtb z1.h, p0/m, z1.h
; CHECK-NEXT:    eor z0.d, z0.d, z2.d
; CHECK-NEXT:    sub z0.h, z1.h, z0.h
; CHECK-NEXT:    lsr z0.h, z0.h, #1
; CHECK-NEXT:    ret
entry:
  %s0s = sext <vscale x 8 x i8> %s0 to <vscale x 8 x i16>
  %s1s = sext <vscale x 8 x i8> %s1 to <vscale x 8 x i16>
  %add = add <vscale x 8 x i16> %s0s, splat (i16 1)
  %add2 = add <vscale x 8 x i16> %add, %s1s
  %s = lshr <vscale x 8 x i16> %add2, splat (i16 1)
  %result = trunc <vscale x 8 x i16> %s to <vscale x 8 x i8>
  ret <vscale x 8 x i8> %result
}

define <vscale x 8 x i8> @rhaddu_v8i8(<vscale x 8 x i8> %s0, <vscale x 8 x i8> %s1) {
; SVE-LABEL: rhaddu_v8i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    mov z2.h, #-1 // =0xffffffffffffffff
; SVE-NEXT:    and z0.h, z0.h, #0xff
; SVE-NEXT:    and z1.h, z1.h, #0xff
; SVE-NEXT:    eor z0.d, z0.d, z2.d
; SVE-NEXT:    sub z0.h, z1.h, z0.h
; SVE-NEXT:    lsr z0.h, z0.h, #1
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhaddu_v8i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    and z1.h, z1.h, #0xff
; SVE2-NEXT:    and z0.h, z0.h, #0xff
; SVE2-NEXT:    ptrue p0.h
; SVE2-NEXT:    urhadd z0.h, p0/m, z0.h, z1.h
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 8 x i8> %s0 to <vscale x 8 x i16>
  %s1s = zext <vscale x 8 x i8> %s1 to <vscale x 8 x i16>
  %add = add nuw nsw <vscale x 8 x i16> %s0s, splat (i16 1)
  %add2 = add nuw nsw <vscale x 8 x i16> %add, %s1s
  %s = lshr <vscale x 8 x i16> %add2, splat (i16 1)
  %result = trunc <vscale x 8 x i16> %s to <vscale x 8 x i8>
  ret <vscale x 8 x i8> %result
}

define <vscale x 16 x i8> @rhadds_v16i8(<vscale x 16 x i8> %s0, <vscale x 16 x i8> %s1) {
; SVE-LABEL: rhadds_v16i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.b, z2.b, #1
; SVE-NEXT:    sub z0.b, z0.b, z1.b
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v16i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.b
; SVE2-NEXT:    srhadd z0.b, p0/m, z0.b, z1.b
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 16 x i8> %s0 to <vscale x 16 x i16>
  %s1s = sext <vscale x 16 x i8> %s1 to <vscale x 16 x i16>
  %add = add <vscale x 16 x i16> %s0s, splat (i16 1)
  %add2 = add <vscale x 16 x i16> %add, %s1s
  %s = ashr <vscale x 16 x i16> %add2, splat (i16 1)
  %result = trunc <vscale x 16 x i16> %s to <vscale x 16 x i8>
  ret <vscale x 16 x i8> %result
}

define <vscale x 16 x i8> @rhadds_v16i8_lsh(<vscale x 16 x i8> %s0, <vscale x 16 x i8> %s1) {
; SVE-LABEL: rhadds_v16i8_lsh:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.b, z2.b, #1
; SVE-NEXT:    sub z0.b, z0.b, z1.b
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhadds_v16i8_lsh:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.b
; SVE2-NEXT:    srhadd z0.b, p0/m, z0.b, z1.b
; SVE2-NEXT:    ret
entry:
  %s0s = sext <vscale x 16 x i8> %s0 to <vscale x 16 x i16>
  %s1s = sext <vscale x 16 x i8> %s1 to <vscale x 16 x i16>
  %add = add <vscale x 16 x i16> %s0s, splat (i16 1)
  %add2 = add <vscale x 16 x i16> %add, %s1s
  %s = lshr <vscale x 16 x i16> %add2, splat (i16 1)
  %result = trunc <vscale x 16 x i16> %s to <vscale x 16 x i8>
  ret <vscale x 16 x i8> %result
}

define <vscale x 16 x i8> @rhaddu_v16i8(<vscale x 16 x i8> %s0, <vscale x 16 x i8> %s1) {
; SVE-LABEL: rhaddu_v16i8:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    orr z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z1.b, z2.b, #1
; SVE-NEXT:    sub z0.b, z0.b, z1.b
; SVE-NEXT:    ret
;
; SVE2-LABEL: rhaddu_v16i8:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.b
; SVE2-NEXT:    urhadd z0.b, p0/m, z0.b, z1.b
; SVE2-NEXT:    ret
entry:
  %s0s = zext <vscale x 16 x i8> %s0 to <vscale x 16 x i16>
  %s1s = zext <vscale x 16 x i8> %s1 to <vscale x 16 x i16>
  %add = add nuw nsw <vscale x 16 x i16> %s0s, splat (i16 1)
  %add2 = add nuw nsw <vscale x 16 x i16> %add, %s1s
  %s = lshr <vscale x 16 x i16> %add2, splat (i16 1)
  %result = trunc <vscale x 16 x i16> %s to <vscale x 16 x i8>
  ret <vscale x 16 x i8> %result
}

define <vscale x 2 x i64> @haddu_v2i64_add(<vscale x 2 x i64> %s0, <vscale x 2 x i64> %s1) {
; SVE-LABEL: haddu_v2i64_add:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    lsr z1.d, z2.d, #1
; SVE-NEXT:    add z0.d, z0.d, z1.d
; SVE-NEXT:    ret
;
; SVE2-LABEL: haddu_v2i64_add:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    uhadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %add = add nuw nsw <vscale x 2 x i64> %s0, %s1
  %avg = lshr <vscale x 2 x i64> %add, splat (i64 1)
  ret <vscale x 2 x i64> %avg
}

define <vscale x 2 x i64> @hadds_v2i64_add(<vscale x 2 x i64> %s0, <vscale x 2 x i64> %s1) {
; SVE-LABEL: hadds_v2i64_add:
; SVE:       // %bb.0: // %entry
; SVE-NEXT:    eor z2.d, z0.d, z1.d
; SVE-NEXT:    and z0.d, z0.d, z1.d
; SVE-NEXT:    asr z1.d, z2.d, #1
; SVE-NEXT:    add z0.d, z0.d, z1.d
; SVE-NEXT:    ret
;
; SVE2-LABEL: hadds_v2i64_add:
; SVE2:       // %bb.0: // %entry
; SVE2-NEXT:    ptrue p0.d
; SVE2-NEXT:    shadd z0.d, p0/m, z0.d, z1.d
; SVE2-NEXT:    ret
entry:
  %add = add nuw nsw <vscale x 2 x i64> %s0, %s1
  %avg = ashr <vscale x 2 x i64> %add, splat (i64 1)
  ret <vscale x 2 x i64> %avg
}

define void @zext_mload_avgflooru(ptr %p1, ptr %p2, <vscale x 8 x i1> %mask) {
; SVE-LABEL: zext_mload_avgflooru:
; SVE:       // %bb.0:
; SVE-NEXT:    ld1b { z0.h }, p0/z, [x0]
; SVE-NEXT:    ld1b { z1.h }, p0/z, [x1]
; SVE-NEXT:    add z0.h, z0.h, z1.h
; SVE-NEXT:    lsr z0.h, z0.h, #1
; SVE-NEXT:    st1h { z0.h }, p0, [x0]
; SVE-NEXT:    ret
;
; SVE2-LABEL: zext_mload_avgflooru:
; SVE2:       // %bb.0:
; SVE2-NEXT:    ld1b { z0.h }, p0/z, [x0]
; SVE2-NEXT:    ld1b { z1.h }, p0/z, [x1]
; SVE2-NEXT:    ptrue p1.h
; SVE2-NEXT:    uhadd z0.h, p1/m, z0.h, z1.h
; SVE2-NEXT:    st1h { z0.h }, p0, [x0]
; SVE2-NEXT:    ret
  %ld1 = call <vscale x 8 x i8> @llvm.masked.load(ptr %p1, i32 16, <vscale x 8 x i1> %mask, <vscale x 8 x i8> zeroinitializer)
  %ld2 = call <vscale x 8 x i8> @llvm.masked.load(ptr %p2, i32 16, <vscale x 8 x i1> %mask, <vscale x 8 x i8> zeroinitializer)
  %and = and <vscale x 8 x i8> %ld1, %ld2
  %xor = xor <vscale x 8 x i8> %ld1, %ld2
  %shift = lshr <vscale x 8 x i8> %xor, splat(i8 1)
  %avg = add <vscale x 8 x i8> %and, %shift
  %avgext = zext <vscale x 8 x i8> %avg to <vscale x 8 x i16>
  call void @llvm.masked.store.nxv8i16(<vscale x 8 x i16> %avgext, ptr %p1, i32 16, <vscale x 8 x i1> %mask)
  ret void
}

define void @zext_mload_avgceilu(ptr %p1, ptr %p2, <vscale x 8 x i1> %mask) {
; SVE-LABEL: zext_mload_avgceilu:
; SVE:       // %bb.0:
; SVE-NEXT:    ld1b { z0.h }, p0/z, [x0]
; SVE-NEXT:    mov z1.h, #-1 // =0xffffffffffffffff
; SVE-NEXT:    ld1b { z2.h }, p0/z, [x1]
; SVE-NEXT:    eor z0.d, z0.d, z1.d
; SVE-NEXT:    sub z0.h, z2.h, z0.h
; SVE-NEXT:    lsr z0.h, z0.h, #1
; SVE-NEXT:    st1b { z0.h }, p0, [x0]
; SVE-NEXT:    ret
;
; SVE2-LABEL: zext_mload_avgceilu:
; SVE2:       // %bb.0:
; SVE2-NEXT:    ld1b { z0.h }, p0/z, [x0]
; SVE2-NEXT:    ld1b { z1.h }, p0/z, [x1]
; SVE2-NEXT:    ptrue p1.h
; SVE2-NEXT:    urhadd z0.h, p1/m, z0.h, z1.h
; SVE2-NEXT:    st1b { z0.h }, p0, [x0]
; SVE2-NEXT:    ret
  %ld1 = call <vscale x 8 x i8> @llvm.masked.load(ptr %p1, i32 16, <vscale x 8 x i1> %mask, <vscale x 8 x i8> zeroinitializer)
  %ld2 = call <vscale x 8 x i8> @llvm.masked.load(ptr %p2, i32 16, <vscale x 8 x i1> %mask, <vscale x 8 x i8> zeroinitializer)
  %zext1 = zext <vscale x 8 x i8> %ld1 to <vscale x 8 x i16>
  %zext2 = zext <vscale x 8 x i8> %ld2 to <vscale x 8 x i16>
  %add1 = add nuw nsw <vscale x 8 x i16> %zext1, splat(i16 1)
  %add2 = add nuw nsw <vscale x 8 x i16> %add1, %zext2
  %shift = lshr <vscale x 8 x i16> %add2, splat(i16 1)
  %trunc = trunc <vscale x 8 x i16> %shift to <vscale x 8 x i8>
  call void @llvm.masked.store.nxv8i8(<vscale x 8 x i8> %trunc, ptr %p1, i32 16, <vscale x 8 x i1> %mask)
  ret void
}