test/CodeGen/AArch64/double_reduct.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=aarch64-eabi < %s -global-isel=false | FileCheck %s --check-prefixes=CHECK,CHECK-SD
; RUN: llc --mtriple=aarch64-eabi < %s -global-isel=true | FileCheck %s --check-prefixes=CHECK,CHECK-GI

define float @add_f32(<8 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: add_f32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fadd v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fadd v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    faddp v0.4s, v0.4s, v0.4s
; CHECK-SD-NEXT:    faddp s0, v0.2s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: add_f32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fadd v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    faddp v1.4s, v2.4s, v2.4s
; CHECK-GI-NEXT:    faddp v0.4s, v0.4s, v0.4s
; CHECK-GI-NEXT:    faddp s1, v1.2s
; CHECK-GI-NEXT:    faddp s0, v0.2s
; CHECK-GI-NEXT:    fadd s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call fast float @llvm.vector.reduce.fadd.f32.v8f32(float -0.0, <8 x float> %a)
  %r2 = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %b)
  %r = fadd fast float %r1, %r2
  ret float %r
}

define float @add_f32_same(<4 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: add_f32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fadd v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    faddp v0.4s, v0.4s, v0.4s
; CHECK-SD-NEXT:    faddp s0, v0.2s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: add_f32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    faddp v0.4s, v0.4s, v0.4s
; CHECK-GI-NEXT:    faddp v1.4s, v1.4s, v1.4s
; CHECK-GI-NEXT:    faddp s0, v0.2s
; CHECK-GI-NEXT:    faddp s1, v1.2s
; CHECK-GI-NEXT:    fadd s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %a)
  %r2 = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %b)
  %r = fadd fast float %r1, %r2
  ret float %r
}

define float @fmul_f32(<8 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fmul_f32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmul v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fmul v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    fmul v0.2s, v0.2s, v1.2s
; CHECK-SD-NEXT:    fmul s0, s0, v0.s[1]
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fmul_f32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fmul v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    mov d3, v2.d[1]
; CHECK-GI-NEXT:    mov d1, v0.d[1]
; CHECK-GI-NEXT:    fmul v0.2s, v0.2s, v1.2s
; CHECK-GI-NEXT:    fmul v1.2s, v2.2s, v3.2s
; CHECK-GI-NEXT:    mov s2, v0.s[1]
; CHECK-GI-NEXT:    mov s3, v1.s[1]
; CHECK-GI-NEXT:    fmul s0, s0, s2
; CHECK-GI-NEXT:    fmul s1, s1, s3
; CHECK-GI-NEXT:    fmul s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call fast float @llvm.vector.reduce.fmul.f32.v8f32(float 1.0, <8 x float> %a)
  %r2 = call fast float @llvm.vector.reduce.fmul.f32.v4f32(float 1.0, <4 x float> %b)
  %r = fmul fast float %r1, %r2
  ret float %r
}

define float @fmul_f32_same(<4 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fmul_f32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmul v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    fmul v0.2s, v0.2s, v1.2s
; CHECK-SD-NEXT:    fmul s0, s0, v0.s[1]
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fmul_f32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d2, v0.d[1]
; CHECK-GI-NEXT:    mov d3, v1.d[1]
; CHECK-GI-NEXT:    fmul v0.2s, v0.2s, v2.2s
; CHECK-GI-NEXT:    fmul v1.2s, v1.2s, v3.2s
; CHECK-GI-NEXT:    mov s2, v0.s[1]
; CHECK-GI-NEXT:    mov s3, v1.s[1]
; CHECK-GI-NEXT:    fmul s0, s0, s2
; CHECK-GI-NEXT:    fmul s1, s1, s3
; CHECK-GI-NEXT:    fmul s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call fast float @llvm.vector.reduce.fmul.f32.v4f32(float 1.0, <4 x float> %a)
  %r2 = call fast float @llvm.vector.reduce.fmul.f32.v4f32(float 1.0, <4 x float> %b)
  %r = fmul fast float %r1, %r2
  ret float %r
}

define float @fmin_f32(<8 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fmin_f32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fminnm v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fminnm v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    fminnmv s0, v0.4s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fmin_f32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fminnm v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    fminnmv s1, v2.4s
; CHECK-GI-NEXT:    fminnmv s0, v0.4s
; CHECK-GI-NEXT:    fminnm s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fmin.v8f32(<8 x float> %a)
  %r2 = call float @llvm.vector.reduce.fmin.v4f32(<4 x float> %b)
  %r = call float @llvm.minnum.f32(float %r1, float %r2)
  ret float %r
}

define float @fmin_f32_same(<4 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fmin_f32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fminnm v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fminnmv s0, v0.4s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fmin_f32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fminnmv s0, v0.4s
; CHECK-GI-NEXT:    fminnmv s1, v1.4s
; CHECK-GI-NEXT:    fminnm s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fmin.v4f32(<4 x float> %a)
  %r2 = call float @llvm.vector.reduce.fmin.v4f32(<4 x float> %b)
  %r = call float @llvm.minnum.f32(float %r1, float %r2)
  ret float %r
}

define float @fmax_f32(<8 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fmax_f32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmaxnm v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fmaxnm v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    fmaxnmv s0, v0.4s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fmax_f32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fmaxnm v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    fmaxnmv s1, v2.4s
; CHECK-GI-NEXT:    fmaxnmv s0, v0.4s
; CHECK-GI-NEXT:    fmaxnm s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fmax.v8f32(<8 x float> %a)
  %r2 = call float @llvm.vector.reduce.fmax.v4f32(<4 x float> %b)
  %r = call float @llvm.maxnum.f32(float %r1, float %r2)
  ret float %r
}

define float @fmax_f32_same(<4 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fmax_f32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmaxnm v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fmaxnmv s0, v0.4s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fmax_f32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fmaxnmv s0, v0.4s
; CHECK-GI-NEXT:    fmaxnmv s1, v1.4s
; CHECK-GI-NEXT:    fmaxnm s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fmax.v4f32(<4 x float> %a)
  %r2 = call float @llvm.vector.reduce.fmax.v4f32(<4 x float> %b)
  %r = call float @llvm.maxnum.f32(float %r1, float %r2)
  ret float %r
}

define float @fminimum_f32(<8 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fminimum_f32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmin v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fmin v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    fminv s0, v0.4s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fminimum_f32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fmin v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    fminv s1, v2.4s
; CHECK-GI-NEXT:    fminv s0, v0.4s
; CHECK-GI-NEXT:    fmin s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fminimum.v8f32(<8 x float> %a)
  %r2 = call float @llvm.vector.reduce.fminimum.v4f32(<4 x float> %b)
  %r = call float @llvm.minimum.f32(float %r1, float %r2)
  ret float %r
}

define float @fminimum_f32_same(<4 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fminimum_f32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmin v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fminv s0, v0.4s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fminimum_f32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fminv s0, v0.4s
; CHECK-GI-NEXT:    fminv s1, v1.4s
; CHECK-GI-NEXT:    fmin s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fminimum.v4f32(<4 x float> %a)
  %r2 = call float @llvm.vector.reduce.fminimum.v4f32(<4 x float> %b)
  %r = call float @llvm.minimum.f32(float %r1, float %r2)
  ret float %r
}

define float @fmaximum_f32(<8 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fmaximum_f32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmax v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fmax v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    fmaxv s0, v0.4s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fmaximum_f32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fmax v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    fmaxv s1, v2.4s
; CHECK-GI-NEXT:    fmaxv s0, v0.4s
; CHECK-GI-NEXT:    fmax s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fmaximum.v8f32(<8 x float> %a)
  %r2 = call float @llvm.vector.reduce.fmaximum.v4f32(<4 x float> %b)
  %r = call float @llvm.maximum.f32(float %r1, float %r2)
  ret float %r
}

define float @fmaximum_f32_same(<4 x float> %a, <4 x float> %b) {
; CHECK-SD-LABEL: fmaximum_f32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmax v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fmaxv s0, v0.4s
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: fmaximum_f32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fmaxv s0, v0.4s
; CHECK-GI-NEXT:    fmaxv s1, v1.4s
; CHECK-GI-NEXT:    fmax s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fmaximum.v4f32(<4 x float> %a)
  %r2 = call float @llvm.vector.reduce.fmaximum.v4f32(<4 x float> %b)
  %r = call float @llvm.maximum.f32(float %r1, float %r2)
  ret float %r
}

; These next two tests have incorrect minnum/minimum combinations
define float @fminimumnum_f32(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: fminimumnum_f32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    fminv s0, v0.4s
; CHECK-NEXT:    fminv s1, v1.4s
; CHECK-NEXT:    fminnm s0, s0, s1
; CHECK-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fminimum.v4f32(<4 x float> %a)
  %r2 = call float @llvm.vector.reduce.fminimum.v4f32(<4 x float> %b)
  %r = call float @llvm.minnum.f32(float %r1, float %r2)
  ret float %r
}

define float @fmaxnumimum_f32(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: fmaxnumimum_f32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    fmaxnmv s0, v0.4s
; CHECK-NEXT:    fmaxnmv s1, v1.4s
; CHECK-NEXT:    fmax s0, s0, s1
; CHECK-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fmax.v4f32(<4 x float> %a)
  %r2 = call float @llvm.vector.reduce.fmax.v4f32(<4 x float> %b)
  %r = call float @llvm.maximum.f32(float %r1, float %r2)
  ret float %r
}


define i32 @add_i32(<8 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: add_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    add v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    add v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    addv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: add_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    add v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    addv s1, v2.4s
; CHECK-GI-NEXT:    addv s0, v0.4s
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    add w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.add.i32.v8i32(<8 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.add.i32.v4i32(<4 x i32> %b)
  %r = add i32 %r1, %r2
  ret i32 %r
}

define i16 @add_ext_i16(<16 x i8> %a, <16 x i8> %b) {
; CHECK-SD-LABEL: add_ext_i16:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    uaddlp v1.8h, v1.16b
; CHECK-SD-NEXT:    uadalp v1.8h, v0.16b
; CHECK-SD-NEXT:    addv h0, v1.8h
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: add_ext_i16:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    uaddlv h0, v0.16b
; CHECK-GI-NEXT:    uaddlv h1, v1.16b
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    add w0, w8, w9
; CHECK-GI-NEXT:    ret
  %ae = zext <16 x i8> %a to <16 x i16>
  %be = zext <16 x i8> %b to <16 x i16>
  %r1 = call i16 @llvm.vector.reduce.add.i16.v16i16(<16 x i16> %ae)
  %r2 = call i16 @llvm.vector.reduce.add.i16.v16i16(<16 x i16> %be)
  %r = add i16 %r1, %r2
  ret i16 %r
}

define i16 @add_ext_v32i16(<32 x i8> %a, <16 x i8> %b) {
; CHECK-SD-LABEL: add_ext_v32i16:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    uaddl2 v3.8h, v0.16b, v1.16b
; CHECK-SD-NEXT:    uaddl v0.8h, v0.8b, v1.8b
; CHECK-SD-NEXT:    add v0.8h, v0.8h, v3.8h
; CHECK-SD-NEXT:    uadalp v0.8h, v2.16b
; CHECK-SD-NEXT:    addv h0, v0.8h
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: add_ext_v32i16:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    uaddlv h0, v0.16b
; CHECK-GI-NEXT:    uaddlv h1, v1.16b
; CHECK-GI-NEXT:    uaddlv h2, v2.16b
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    add w8, w8, w9
; CHECK-GI-NEXT:    fmov w9, s2
; CHECK-GI-NEXT:    add w0, w8, w9
; CHECK-GI-NEXT:    ret
  %ae = zext <32 x i8> %a to <32 x i16>
  %be = zext <16 x i8> %b to <16 x i16>
  %r1 = call i16 @llvm.vector.reduce.add.i16.v32i16(<32 x i16> %ae)
  %r2 = call i16 @llvm.vector.reduce.add.i16.v16i16(<16 x i16> %be)
  %r = add i16 %r1, %r2
  ret i16 %r
}

define i32 @mul_i32(<8 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: mul_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    mul v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    mul v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    mul v0.2s, v0.2s, v1.2s
; CHECK-SD-NEXT:    mov w8, v0.s[1]
; CHECK-SD-NEXT:    fmov w9, s0
; CHECK-SD-NEXT:    mul w0, w9, w8
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: mul_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d3, v0.d[1]
; CHECK-GI-NEXT:    mov d4, v1.d[1]
; CHECK-GI-NEXT:    mul v0.2s, v0.2s, v3.2s
; CHECK-GI-NEXT:    mul v1.2s, v1.2s, v4.2s
; CHECK-GI-NEXT:    mov d3, v2.d[1]
; CHECK-GI-NEXT:    mul v0.2s, v0.2s, v1.2s
; CHECK-GI-NEXT:    mul v1.2s, v2.2s, v3.2s
; CHECK-GI-NEXT:    mov w8, v0.s[1]
; CHECK-GI-NEXT:    fmov w10, s0
; CHECK-GI-NEXT:    mov w9, v1.s[1]
; CHECK-GI-NEXT:    mul w8, w10, w8
; CHECK-GI-NEXT:    fmov w10, s1
; CHECK-GI-NEXT:    mul w9, w10, w9
; CHECK-GI-NEXT:    mul w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.mul.i32.v8i32(<8 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.mul.i32.v4i32(<4 x i32> %b)
  %r = mul i32 %r1, %r2
  ret i32 %r
}

define i32 @mul_i32_same(<4 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: mul_i32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    mul v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    mul v0.2s, v0.2s, v1.2s
; CHECK-SD-NEXT:    mov w8, v0.s[1]
; CHECK-SD-NEXT:    fmov w9, s0
; CHECK-SD-NEXT:    mul w0, w9, w8
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: mul_i32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d2, v0.d[1]
; CHECK-GI-NEXT:    mov d3, v1.d[1]
; CHECK-GI-NEXT:    mul v0.2s, v0.2s, v2.2s
; CHECK-GI-NEXT:    mul v1.2s, v1.2s, v3.2s
; CHECK-GI-NEXT:    mov w8, v0.s[1]
; CHECK-GI-NEXT:    mov w9, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s0
; CHECK-GI-NEXT:    fmov w11, s1
; CHECK-GI-NEXT:    mul w8, w10, w8
; CHECK-GI-NEXT:    mul w9, w11, w9
; CHECK-GI-NEXT:    mul w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.mul.i32.v4i32(<4 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.mul.i32.v4i32(<4 x i32> %b)
  %r = mul i32 %r1, %r2
  ret i32 %r
}

define i32 @and_i32(<8 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: and_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    and v0.16b, v0.16b, v1.16b
; CHECK-SD-NEXT:    and v0.16b, v0.16b, v2.16b
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    and v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT:    fmov x8, d0
; CHECK-SD-NEXT:    lsr x9, x8, #32
; CHECK-SD-NEXT:    and w0, w8, w9
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: and_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    and v0.16b, v0.16b, v1.16b
; CHECK-GI-NEXT:    mov d1, v2.d[1]
; CHECK-GI-NEXT:    mov d3, v0.d[1]
; CHECK-GI-NEXT:    and v1.8b, v2.8b, v1.8b
; CHECK-GI-NEXT:    and v0.8b, v0.8b, v3.8b
; CHECK-GI-NEXT:    mov w8, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s1
; CHECK-GI-NEXT:    mov w9, v0.s[1]
; CHECK-GI-NEXT:    fmov w11, s0
; CHECK-GI-NEXT:    and w8, w10, w8
; CHECK-GI-NEXT:    and w8, w11, w8
; CHECK-GI-NEXT:    and w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.and.i32.v8i32(<8 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.and.i32.v4i32(<4 x i32> %b)
  %r = and i32 %r1, %r2
  ret i32 %r
}

define i32 @and_i32_same(<4 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: and_i32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    and v0.16b, v0.16b, v1.16b
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    and v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT:    fmov x8, d0
; CHECK-SD-NEXT:    lsr x9, x8, #32
; CHECK-SD-NEXT:    and w0, w8, w9
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: and_i32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d2, v0.d[1]
; CHECK-GI-NEXT:    mov d3, v1.d[1]
; CHECK-GI-NEXT:    and v0.8b, v0.8b, v2.8b
; CHECK-GI-NEXT:    and v1.8b, v1.8b, v3.8b
; CHECK-GI-NEXT:    mov w8, v0.s[1]
; CHECK-GI-NEXT:    mov w9, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s0
; CHECK-GI-NEXT:    fmov w11, s1
; CHECK-GI-NEXT:    and w8, w10, w8
; CHECK-GI-NEXT:    and w9, w11, w9
; CHECK-GI-NEXT:    and w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.and.i32.v4i32(<4 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.and.i32.v4i32(<4 x i32> %b)
  %r = and i32 %r1, %r2
  ret i32 %r
}

define i32 @or_i32(<8 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: or_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    orr v0.16b, v0.16b, v1.16b
; CHECK-SD-NEXT:    orr v0.16b, v0.16b, v2.16b
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    orr v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT:    fmov x8, d0
; CHECK-SD-NEXT:    lsr x9, x8, #32
; CHECK-SD-NEXT:    orr w0, w8, w9
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: or_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    orr v0.16b, v0.16b, v1.16b
; CHECK-GI-NEXT:    mov d1, v2.d[1]
; CHECK-GI-NEXT:    mov d3, v0.d[1]
; CHECK-GI-NEXT:    orr v1.8b, v2.8b, v1.8b
; CHECK-GI-NEXT:    orr v0.8b, v0.8b, v3.8b
; CHECK-GI-NEXT:    mov w8, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s1
; CHECK-GI-NEXT:    mov w9, v0.s[1]
; CHECK-GI-NEXT:    fmov w11, s0
; CHECK-GI-NEXT:    orr w8, w10, w8
; CHECK-GI-NEXT:    orr w8, w11, w8
; CHECK-GI-NEXT:    orr w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.or.i32.v8i32(<8 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.or.i32.v4i32(<4 x i32> %b)
  %r = or i32 %r1, %r2
  ret i32 %r
}

define i32 @or_i32_same(<4 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: or_i32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    orr v0.16b, v0.16b, v1.16b
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    orr v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT:    fmov x8, d0
; CHECK-SD-NEXT:    lsr x9, x8, #32
; CHECK-SD-NEXT:    orr w0, w8, w9
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: or_i32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d2, v0.d[1]
; CHECK-GI-NEXT:    mov d3, v1.d[1]
; CHECK-GI-NEXT:    orr v0.8b, v0.8b, v2.8b
; CHECK-GI-NEXT:    orr v1.8b, v1.8b, v3.8b
; CHECK-GI-NEXT:    mov w8, v0.s[1]
; CHECK-GI-NEXT:    mov w9, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s0
; CHECK-GI-NEXT:    fmov w11, s1
; CHECK-GI-NEXT:    orr w8, w10, w8
; CHECK-GI-NEXT:    orr w9, w11, w9
; CHECK-GI-NEXT:    orr w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.or.i32.v4i32(<4 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.or.i32.v4i32(<4 x i32> %b)
  %r = or i32 %r1, %r2
  ret i32 %r
}

define i32 @xor_i32(<8 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: xor_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    eor v0.16b, v0.16b, v1.16b
; CHECK-SD-NEXT:    eor v0.16b, v0.16b, v2.16b
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    eor v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT:    fmov x8, d0
; CHECK-SD-NEXT:    lsr x9, x8, #32
; CHECK-SD-NEXT:    eor w0, w8, w9
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: xor_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    eor v0.16b, v0.16b, v1.16b
; CHECK-GI-NEXT:    mov d1, v2.d[1]
; CHECK-GI-NEXT:    mov d3, v0.d[1]
; CHECK-GI-NEXT:    eor v1.8b, v2.8b, v1.8b
; CHECK-GI-NEXT:    eor v0.8b, v0.8b, v3.8b
; CHECK-GI-NEXT:    mov w8, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s1
; CHECK-GI-NEXT:    mov w9, v0.s[1]
; CHECK-GI-NEXT:    fmov w11, s0
; CHECK-GI-NEXT:    eor w8, w10, w8
; CHECK-GI-NEXT:    eor w8, w11, w8
; CHECK-GI-NEXT:    eor w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.xor.i32.v8i32(<8 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.xor.i32.v4i32(<4 x i32> %b)
  %r = xor i32 %r1, %r2
  ret i32 %r
}

define i32 @xor_i32_same(<4 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: xor_i32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    eor v0.16b, v0.16b, v1.16b
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    eor v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT:    fmov x8, d0
; CHECK-SD-NEXT:    lsr x9, x8, #32
; CHECK-SD-NEXT:    eor w0, w8, w9
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: xor_i32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d2, v0.d[1]
; CHECK-GI-NEXT:    mov d3, v1.d[1]
; CHECK-GI-NEXT:    eor v0.8b, v0.8b, v2.8b
; CHECK-GI-NEXT:    eor v1.8b, v1.8b, v3.8b
; CHECK-GI-NEXT:    mov w8, v0.s[1]
; CHECK-GI-NEXT:    mov w9, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s0
; CHECK-GI-NEXT:    fmov w11, s1
; CHECK-GI-NEXT:    eor w8, w10, w8
; CHECK-GI-NEXT:    eor w9, w11, w9
; CHECK-GI-NEXT:    eor w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.xor.i32.v4i32(<4 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.xor.i32.v4i32(<4 x i32> %b)
  %r = xor i32 %r1, %r2
  ret i32 %r
}

define i32 @umin_i32(<8 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: umin_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    umin v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    umin v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    uminv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: umin_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    umin v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    uminv s1, v2.4s
; CHECK-GI-NEXT:    uminv s0, v0.4s
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    fcsel s0, s0, s1, lo
; CHECK-GI-NEXT:    fmov w0, s0
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.umin.i32.v8i32(<8 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.umin.i32.v4i32(<4 x i32> %b)
  %r = call i32 @llvm.umin.i32(i32 %r1, i32 %r2)
  ret i32 %r
}

define i32 @umin_i32_same(<4 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: umin_i32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    umin v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    uminv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: umin_i32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    uminv s0, v0.4s
; CHECK-GI-NEXT:    uminv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    fcsel s0, s0, s1, lo
; CHECK-GI-NEXT:    fmov w0, s0
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.umin.i32.v4i32(<4 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.umin.i32.v4i32(<4 x i32> %b)
  %r = call i32 @llvm.umin.i32(i32 %r1, i32 %r2)
  ret i32 %r
}

define i32 @umax_i32(<8 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: umax_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    umax v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    umax v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    umaxv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: umax_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    umax v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    umaxv s1, v2.4s
; CHECK-GI-NEXT:    umaxv s0, v0.4s
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    fcsel s0, s0, s1, hi
; CHECK-GI-NEXT:    fmov w0, s0
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.umax.i32.v8i32(<8 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.umax.i32.v4i32(<4 x i32> %b)
  %r = call i32 @llvm.umax.i32(i32 %r1, i32 %r2)
  ret i32 %r
}

define i32 @umax_i32_same(<4 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: umax_i32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    umax v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    umaxv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: umax_i32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    umaxv s0, v0.4s
; CHECK-GI-NEXT:    umaxv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    fcsel s0, s0, s1, hi
; CHECK-GI-NEXT:    fmov w0, s0
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.umax.i32.v4i32(<4 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.umax.i32.v4i32(<4 x i32> %b)
  %r = call i32 @llvm.umax.i32(i32 %r1, i32 %r2)
  ret i32 %r
}

define i32 @smin_i32(<8 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: smin_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    smin v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    smin v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    sminv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: smin_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    smin v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    sminv s1, v2.4s
; CHECK-GI-NEXT:    sminv s0, v0.4s
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    fcsel s0, s0, s1, lt
; CHECK-GI-NEXT:    fmov w0, s0
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.smin.i32.v8i32(<8 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.smin.i32.v4i32(<4 x i32> %b)
  %r = call i32 @llvm.smin.i32(i32 %r1, i32 %r2)
  ret i32 %r
}

define i32 @smin_i32_same(<4 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: smin_i32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    smin v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    sminv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: smin_i32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    sminv s0, v0.4s
; CHECK-GI-NEXT:    sminv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    fcsel s0, s0, s1, lt
; CHECK-GI-NEXT:    fmov w0, s0
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.smin.i32.v4i32(<4 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.smin.i32.v4i32(<4 x i32> %b)
  %r = call i32 @llvm.smin.i32(i32 %r1, i32 %r2)
  ret i32 %r
}

define i32 @smax_i32(<8 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: smax_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    smax v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    smax v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    smaxv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: smax_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    smax v0.4s, v0.4s, v1.4s
; CHECK-GI-NEXT:    smaxv s1, v2.4s
; CHECK-GI-NEXT:    smaxv s0, v0.4s
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    fcsel s0, s0, s1, gt
; CHECK-GI-NEXT:    fmov w0, s0
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.smax.i32.v8i32(<8 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.smax.i32.v4i32(<4 x i32> %b)
  %r = call i32 @llvm.smax.i32(i32 %r1, i32 %r2)
  ret i32 %r
}

define i32 @smax_i32_same(<4 x i32> %a, <4 x i32> %b) {
; CHECK-SD-LABEL: smax_i32_same:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    smax v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    smaxv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: smax_i32_same:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    smaxv s0, v0.4s
; CHECK-GI-NEXT:    smaxv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    fcsel s0, s0, s1, gt
; CHECK-GI-NEXT:    fmov w0, s0
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.smax.i32.v4i32(<4 x i32> %a)
  %r2 = call i32 @llvm.vector.reduce.smax.i32.v4i32(<4 x i32> %b)
  %r = call i32 @llvm.smax.i32(i32 %r1, i32 %r2)
  ret i32 %r
}


define float @nested_fadd_f32(<4 x float> %a, <4 x float> %b, float %c, float %d) {
; CHECK-SD-LABEL: nested_fadd_f32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fadd v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fadd s2, s2, s3
; CHECK-SD-NEXT:    faddp v0.4s, v0.4s, v0.4s
; CHECK-SD-NEXT:    faddp s0, v0.2s
; CHECK-SD-NEXT:    fadd s0, s0, s2
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_fadd_f32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    faddp v0.4s, v0.4s, v0.4s
; CHECK-GI-NEXT:    faddp v1.4s, v1.4s, v1.4s
; CHECK-GI-NEXT:    faddp s0, v0.2s
; CHECK-GI-NEXT:    faddp s1, v1.2s
; CHECK-GI-NEXT:    fadd s0, s0, s2
; CHECK-GI-NEXT:    fadd s1, s1, s3
; CHECK-GI-NEXT:    fadd s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %a)
  %a1 = fadd fast float %r1, %c
  %r2 = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %b)
  %a2 = fadd fast float %r2, %d
  %r = fadd fast float %a1, %a2
  ret float %r
}

define float @nested_fadd_f32_slow(<4 x float> %a, <4 x float> %b, float %c, float %d) {
; CHECK-SD-LABEL: nested_fadd_f32_slow:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    mov s4, v1.s[2]
; CHECK-SD-NEXT:    mov s5, v0.s[2]
; CHECK-SD-NEXT:    faddp s6, v0.2s
; CHECK-SD-NEXT:    faddp s7, v1.2s
; CHECK-SD-NEXT:    mov s1, v1.s[3]
; CHECK-SD-NEXT:    mov s0, v0.s[3]
; CHECK-SD-NEXT:    fadd s5, s6, s5
; CHECK-SD-NEXT:    fadd s4, s7, s4
; CHECK-SD-NEXT:    fadd s0, s5, s0
; CHECK-SD-NEXT:    fadd s1, s4, s1
; CHECK-SD-NEXT:    fadd s0, s0, s2
; CHECK-SD-NEXT:    fadd s1, s1, s3
; CHECK-SD-NEXT:    fadd s0, s0, s1
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_fadd_f32_slow:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov s4, v0.s[2]
; CHECK-GI-NEXT:    faddp s5, v0.2s
; CHECK-GI-NEXT:    mov s6, v1.s[2]
; CHECK-GI-NEXT:    faddp s7, v1.2s
; CHECK-GI-NEXT:    mov s0, v0.s[3]
; CHECK-GI-NEXT:    mov s1, v1.s[3]
; CHECK-GI-NEXT:    fadd s4, s5, s4
; CHECK-GI-NEXT:    fadd s5, s7, s6
; CHECK-GI-NEXT:    fadd s0, s4, s0
; CHECK-GI-NEXT:    fadd s1, s5, s1
; CHECK-GI-NEXT:    fadd s0, s0, s2
; CHECK-GI-NEXT:    fadd s1, s1, s3
; CHECK-GI-NEXT:    fadd s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %a)
  %a1 = fadd float %r1, %c
  %r2 = call float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %b)
  %a2 = fadd float %r2, %d
  %r = fadd float %a1, %a2
  ret float %r
}

define float @nested_mul_f32(<4 x float> %a, <4 x float> %b, float %c, float %d) {
; CHECK-SD-LABEL: nested_mul_f32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmul v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fmul s2, s2, s3
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    fmul v0.2s, v0.2s, v1.2s
; CHECK-SD-NEXT:    fmul s0, s0, v0.s[1]
; CHECK-SD-NEXT:    fmul s0, s0, s2
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_mul_f32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d4, v0.d[1]
; CHECK-GI-NEXT:    mov d5, v1.d[1]
; CHECK-GI-NEXT:    fmul v0.2s, v0.2s, v4.2s
; CHECK-GI-NEXT:    fmul v1.2s, v1.2s, v5.2s
; CHECK-GI-NEXT:    mov s4, v0.s[1]
; CHECK-GI-NEXT:    mov s5, v1.s[1]
; CHECK-GI-NEXT:    fmul s0, s0, s4
; CHECK-GI-NEXT:    fmul s1, s1, s5
; CHECK-GI-NEXT:    fmul s0, s0, s2
; CHECK-GI-NEXT:    fmul s1, s1, s3
; CHECK-GI-NEXT:    fmul s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call fast float @llvm.vector.reduce.fmul.f32.v4f32(float 1.0, <4 x float> %a)
  %a1 = fmul fast float %r1, %c
  %r2 = call fast float @llvm.vector.reduce.fmul.f32.v4f32(float 1.0, <4 x float> %b)
  %a2 = fmul fast float %r2, %d
  %r = fmul fast float %a1, %a2
  ret float %r
}

define i32 @nested_add_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_add_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    add v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    add w8, w0, w1
; CHECK-SD-NEXT:    addv s0, v0.4s
; CHECK-SD-NEXT:    fmov w9, s0
; CHECK-SD-NEXT:    add w0, w9, w8
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_add_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    addv s0, v0.4s
; CHECK-GI-NEXT:    addv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    add w8, w8, w0
; CHECK-GI-NEXT:    add w9, w9, w1
; CHECK-GI-NEXT:    add w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %a)
  %a1 = add i32 %r1, %c
  %r2 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %b)
  %a2 = add i32 %r2, %d
  %r = add i32 %a1, %a2
  ret i32 %r
}

define i32 @nested_add_c1_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_add_c1_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    add v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    add w8, w0, w1
; CHECK-SD-NEXT:    addv s0, v0.4s
; CHECK-SD-NEXT:    fmov w9, s0
; CHECK-SD-NEXT:    add w0, w9, w8
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_add_c1_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    addv s0, v0.4s
; CHECK-GI-NEXT:    addv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    add w8, w0, w8
; CHECK-GI-NEXT:    add w9, w9, w1
; CHECK-GI-NEXT:    add w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %a)
  %a1 = add i32 %c, %r1
  %r2 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %b)
  %a2 = add i32 %r2, %d
  %r = add i32 %a1, %a2
  ret i32 %r
}

define i32 @nested_add_c2_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_add_c2_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    add v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    add w8, w0, w1
; CHECK-SD-NEXT:    addv s0, v0.4s
; CHECK-SD-NEXT:    fmov w9, s0
; CHECK-SD-NEXT:    add w0, w9, w8
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_add_c2_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    addv s0, v0.4s
; CHECK-GI-NEXT:    addv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    add w8, w8, w0
; CHECK-GI-NEXT:    add w9, w1, w9
; CHECK-GI-NEXT:    add w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %a)
  %a1 = add i32 %r1, %c
  %r2 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %b)
  %a2 = add i32 %d, %r2
  %r = add i32 %a1, %a2
  ret i32 %r
}

define i32 @nested_add_manyreduct_i32(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c, <4 x i32> %d) {
; CHECK-SD-LABEL: nested_add_manyreduct_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    add v1.4s, v1.4s, v3.4s
; CHECK-SD-NEXT:    add v0.4s, v0.4s, v2.4s
; CHECK-SD-NEXT:    add v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    addv s0, v0.4s
; CHECK-SD-NEXT:    fmov w0, s0
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_add_manyreduct_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    addv s0, v0.4s
; CHECK-GI-NEXT:    addv s2, v2.4s
; CHECK-GI-NEXT:    addv s1, v1.4s
; CHECK-GI-NEXT:    addv s3, v3.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s2
; CHECK-GI-NEXT:    fmov w10, s1
; CHECK-GI-NEXT:    fmov w11, s3
; CHECK-GI-NEXT:    add w8, w8, w9
; CHECK-GI-NEXT:    add w9, w10, w11
; CHECK-GI-NEXT:    add w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %a)
  %r3 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %c)
  %a1 = add i32 %r1, %r3
  %r2 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %b)
  %r4 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %d)
  %a2 = add i32 %r2, %r4
  %r = add i32 %a1, %a2
  ret i32 %r
}

define i32 @nested_mul_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_mul_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    mul v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    mul w8, w0, w1
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    mul v0.2s, v0.2s, v1.2s
; CHECK-SD-NEXT:    mov w9, v0.s[1]
; CHECK-SD-NEXT:    fmov w10, s0
; CHECK-SD-NEXT:    mul w9, w10, w9
; CHECK-SD-NEXT:    mul w0, w9, w8
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_mul_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d2, v0.d[1]
; CHECK-GI-NEXT:    mov d3, v1.d[1]
; CHECK-GI-NEXT:    mul v0.2s, v0.2s, v2.2s
; CHECK-GI-NEXT:    mul v1.2s, v1.2s, v3.2s
; CHECK-GI-NEXT:    mov w8, v0.s[1]
; CHECK-GI-NEXT:    fmov w10, s0
; CHECK-GI-NEXT:    mov w9, v1.s[1]
; CHECK-GI-NEXT:    mul w8, w10, w8
; CHECK-GI-NEXT:    fmov w10, s1
; CHECK-GI-NEXT:    mul w9, w10, w9
; CHECK-GI-NEXT:    mul w8, w8, w0
; CHECK-GI-NEXT:    mul w9, w9, w1
; CHECK-GI-NEXT:    mul w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> %a)
  %a1 = mul i32 %r1, %c
  %r2 = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> %b)
  %a2 = mul i32 %r2, %d
  %r = mul i32 %a1, %a2
  ret i32 %r
}

define i32 @nested_and_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_and_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    and v0.16b, v0.16b, v1.16b
; CHECK-SD-NEXT:    and w8, w0, w1
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    and v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT:    fmov x9, d0
; CHECK-SD-NEXT:    lsr x10, x9, #32
; CHECK-SD-NEXT:    and w8, w9, w8
; CHECK-SD-NEXT:    and w0, w8, w10
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_and_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d2, v0.d[1]
; CHECK-GI-NEXT:    mov d3, v1.d[1]
; CHECK-GI-NEXT:    and v0.8b, v0.8b, v2.8b
; CHECK-GI-NEXT:    and v1.8b, v1.8b, v3.8b
; CHECK-GI-NEXT:    mov w8, v0.s[1]
; CHECK-GI-NEXT:    mov w9, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s0
; CHECK-GI-NEXT:    fmov w11, s1
; CHECK-GI-NEXT:    and w10, w10, w0
; CHECK-GI-NEXT:    and w11, w11, w1
; CHECK-GI-NEXT:    and w8, w10, w8
; CHECK-GI-NEXT:    and w9, w11, w9
; CHECK-GI-NEXT:    and w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.and.v4i32(<4 x i32> %a)
  %a1 = and i32 %r1, %c
  %r2 = call i32 @llvm.vector.reduce.and.v4i32(<4 x i32> %b)
  %a2 = and i32 %r2, %d
  %r = and i32 %a1, %a2
  ret i32 %r
}

define i32 @nested_or_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_or_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    orr v0.16b, v0.16b, v1.16b
; CHECK-SD-NEXT:    orr w8, w0, w1
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    orr v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT:    fmov x9, d0
; CHECK-SD-NEXT:    lsr x10, x9, #32
; CHECK-SD-NEXT:    orr w8, w9, w8
; CHECK-SD-NEXT:    orr w0, w8, w10
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_or_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d2, v0.d[1]
; CHECK-GI-NEXT:    mov d3, v1.d[1]
; CHECK-GI-NEXT:    orr v0.8b, v0.8b, v2.8b
; CHECK-GI-NEXT:    orr v1.8b, v1.8b, v3.8b
; CHECK-GI-NEXT:    mov w8, v0.s[1]
; CHECK-GI-NEXT:    mov w9, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s0
; CHECK-GI-NEXT:    fmov w11, s1
; CHECK-GI-NEXT:    orr w10, w10, w0
; CHECK-GI-NEXT:    orr w11, w11, w1
; CHECK-GI-NEXT:    orr w8, w10, w8
; CHECK-GI-NEXT:    orr w9, w11, w9
; CHECK-GI-NEXT:    orr w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.or.v4i32(<4 x i32> %a)
  %a1 = or i32 %r1, %c
  %r2 = call i32 @llvm.vector.reduce.or.v4i32(<4 x i32> %b)
  %a2 = or i32 %r2, %d
  %r = or i32 %a1, %a2
  ret i32 %r
}

define i32 @nested_xor_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_xor_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    eor v0.16b, v0.16b, v1.16b
; CHECK-SD-NEXT:    eor w8, w0, w1
; CHECK-SD-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
; CHECK-SD-NEXT:    eor v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT:    fmov x9, d0
; CHECK-SD-NEXT:    lsr x10, x9, #32
; CHECK-SD-NEXT:    eor w8, w9, w8
; CHECK-SD-NEXT:    eor w0, w8, w10
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_xor_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    mov d2, v0.d[1]
; CHECK-GI-NEXT:    mov d3, v1.d[1]
; CHECK-GI-NEXT:    eor v0.8b, v0.8b, v2.8b
; CHECK-GI-NEXT:    eor v1.8b, v1.8b, v3.8b
; CHECK-GI-NEXT:    mov w8, v0.s[1]
; CHECK-GI-NEXT:    mov w9, v1.s[1]
; CHECK-GI-NEXT:    fmov w10, s0
; CHECK-GI-NEXT:    fmov w11, s1
; CHECK-GI-NEXT:    eor w10, w10, w0
; CHECK-GI-NEXT:    eor w11, w11, w1
; CHECK-GI-NEXT:    eor w8, w10, w8
; CHECK-GI-NEXT:    eor w9, w11, w9
; CHECK-GI-NEXT:    eor w0, w8, w9
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.xor.v4i32(<4 x i32> %a)
  %a1 = xor i32 %r1, %c
  %r2 = call i32 @llvm.vector.reduce.xor.v4i32(<4 x i32> %b)
  %a2 = xor i32 %r2, %d
  %r = xor i32 %a1, %a2
  ret i32 %r
}

define i32 @nested_smin_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_smin_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    smin v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    cmp w0, w1
; CHECK-SD-NEXT:    csel w8, w0, w1, lt
; CHECK-SD-NEXT:    sminv s0, v0.4s
; CHECK-SD-NEXT:    fmov w9, s0
; CHECK-SD-NEXT:    cmp w9, w8
; CHECK-SD-NEXT:    csel w0, w9, w8, lt
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_smin_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    sminv s0, v0.4s
; CHECK-GI-NEXT:    sminv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    cmp w8, w0
; CHECK-GI-NEXT:    csel w8, w8, w0, lt
; CHECK-GI-NEXT:    cmp w9, w1
; CHECK-GI-NEXT:    csel w9, w9, w1, lt
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    csel w0, w8, w9, lt
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.smin.v4i32(<4 x i32> %a)
  %a1 = call i32 @llvm.smin.i32(i32 %r1, i32 %c)
  %r2 = call i32 @llvm.vector.reduce.smin.v4i32(<4 x i32> %b)
  %a2 = call i32 @llvm.smin.i32(i32 %r2, i32 %d)
  %r = call i32 @llvm.smin.i32(i32 %a1, i32 %a2)
  ret i32 %r
}

define i32 @nested_smax_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_smax_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    smax v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    cmp w0, w1
; CHECK-SD-NEXT:    csel w8, w0, w1, gt
; CHECK-SD-NEXT:    smaxv s0, v0.4s
; CHECK-SD-NEXT:    fmov w9, s0
; CHECK-SD-NEXT:    cmp w9, w8
; CHECK-SD-NEXT:    csel w0, w9, w8, gt
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_smax_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    smaxv s0, v0.4s
; CHECK-GI-NEXT:    smaxv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    cmp w8, w0
; CHECK-GI-NEXT:    csel w8, w8, w0, gt
; CHECK-GI-NEXT:    cmp w9, w1
; CHECK-GI-NEXT:    csel w9, w9, w1, gt
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    csel w0, w8, w9, gt
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.smax.v4i32(<4 x i32> %a)
  %a1 = call i32 @llvm.smax.i32(i32 %r1, i32 %c)
  %r2 = call i32 @llvm.vector.reduce.smax.v4i32(<4 x i32> %b)
  %a2 = call i32 @llvm.smax.i32(i32 %r2, i32 %d)
  %r = call i32 @llvm.smax.i32(i32 %a1, i32 %a2)
  ret i32 %r
}

define i32 @nested_umin_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_umin_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    umin v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    cmp w0, w1
; CHECK-SD-NEXT:    csel w8, w0, w1, lo
; CHECK-SD-NEXT:    uminv s0, v0.4s
; CHECK-SD-NEXT:    fmov w9, s0
; CHECK-SD-NEXT:    cmp w9, w8
; CHECK-SD-NEXT:    csel w0, w9, w8, lo
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_umin_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    uminv s0, v0.4s
; CHECK-GI-NEXT:    uminv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    cmp w8, w0
; CHECK-GI-NEXT:    csel w8, w8, w0, lo
; CHECK-GI-NEXT:    cmp w9, w1
; CHECK-GI-NEXT:    csel w9, w9, w1, lo
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    csel w0, w8, w9, lo
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.umin.v4i32(<4 x i32> %a)
  %a1 = call i32 @llvm.umin.i32(i32 %r1, i32 %c)
  %r2 = call i32 @llvm.vector.reduce.umin.v4i32(<4 x i32> %b)
  %a2 = call i32 @llvm.umin.i32(i32 %r2, i32 %d)
  %r = call i32 @llvm.umin.i32(i32 %a1, i32 %a2)
  ret i32 %r
}

define i32 @nested_umax_i32(<4 x i32> %a, <4 x i32> %b, i32 %c, i32 %d) {
; CHECK-SD-LABEL: nested_umax_i32:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    umax v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    cmp w0, w1
; CHECK-SD-NEXT:    csel w8, w0, w1, hi
; CHECK-SD-NEXT:    umaxv s0, v0.4s
; CHECK-SD-NEXT:    fmov w9, s0
; CHECK-SD-NEXT:    cmp w9, w8
; CHECK-SD-NEXT:    csel w0, w9, w8, hi
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_umax_i32:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    umaxv s0, v0.4s
; CHECK-GI-NEXT:    umaxv s1, v1.4s
; CHECK-GI-NEXT:    fmov w8, s0
; CHECK-GI-NEXT:    fmov w9, s1
; CHECK-GI-NEXT:    cmp w8, w0
; CHECK-GI-NEXT:    csel w8, w8, w0, hi
; CHECK-GI-NEXT:    cmp w9, w1
; CHECK-GI-NEXT:    csel w9, w9, w1, hi
; CHECK-GI-NEXT:    cmp w8, w9
; CHECK-GI-NEXT:    csel w0, w8, w9, hi
; CHECK-GI-NEXT:    ret
  %r1 = call i32 @llvm.vector.reduce.umax.v4i32(<4 x i32> %a)
  %a1 = call i32 @llvm.umax.i32(i32 %r1, i32 %c)
  %r2 = call i32 @llvm.vector.reduce.umax.v4i32(<4 x i32> %b)
  %a2 = call i32 @llvm.umax.i32(i32 %r2, i32 %d)
  %r = call i32 @llvm.umax.i32(i32 %a1, i32 %a2)
  ret i32 %r
}

define float @nested_fmin_float(<4 x float> %a, <4 x float> %b, float %c, float %d) {
; CHECK-SD-LABEL: nested_fmin_float:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fminnm v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fminnm s2, s2, s3
; CHECK-SD-NEXT:    fminnmv s0, v0.4s
; CHECK-SD-NEXT:    fminnm s0, s0, s2
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_fmin_float:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fminnmv s0, v0.4s
; CHECK-GI-NEXT:    fminnmv s1, v1.4s
; CHECK-GI-NEXT:    fminnm s0, s0, s2
; CHECK-GI-NEXT:    fminnm s1, s1, s3
; CHECK-GI-NEXT:    fminnm s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fmin.v4f32(<4 x float> %a)
  %a1 = call float @llvm.minnum.f32(float %r1, float %c)
  %r2 = call float @llvm.vector.reduce.fmin.v4f32(<4 x float> %b)
  %a2 = call float @llvm.minnum.f32(float %r2, float %d)
  %r = call float @llvm.minnum.f32(float %a1, float %a2)
  ret float %r
}

define float @nested_fmax_float(<4 x float> %a, <4 x float> %b, float %c, float %d) {
; CHECK-SD-LABEL: nested_fmax_float:
; CHECK-SD:       // %bb.0:
; CHECK-SD-NEXT:    fmaxnm v0.4s, v0.4s, v1.4s
; CHECK-SD-NEXT:    fmaxnm s2, s2, s3
; CHECK-SD-NEXT:    fmaxnmv s0, v0.4s
; CHECK-SD-NEXT:    fmaxnm s0, s0, s2
; CHECK-SD-NEXT:    ret
;
; CHECK-GI-LABEL: nested_fmax_float:
; CHECK-GI:       // %bb.0:
; CHECK-GI-NEXT:    fmaxnmv s0, v0.4s
; CHECK-GI-NEXT:    fmaxnmv s1, v1.4s
; CHECK-GI-NEXT:    fmaxnm s0, s0, s2
; CHECK-GI-NEXT:    fmaxnm s1, s1, s3
; CHECK-GI-NEXT:    fmaxnm s0, s0, s1
; CHECK-GI-NEXT:    ret
  %r1 = call float @llvm.vector.reduce.fmax.v4f32(<4 x float> %a)
  %a1 = call float @llvm.maxnum.f32(float %r1, float %c)
  %r2 = call float @llvm.vector.reduce.fmax.v4f32(<4 x float> %b)
  %a2 = call float @llvm.maxnum.f32(float %r2, float %d)
  %r = call float @llvm.maxnum.f32(float %a1, float %a2)
  ret float %r
}


declare float @llvm.vector.reduce.fadd.f32.v8f32(float, <8 x float>)
declare float @llvm.vector.reduce.fadd.f32.v4f32(float, <4 x float>)
declare float @llvm.vector.reduce.fmul.f32.v8f32(float, <8 x float>)
declare float @llvm.vector.reduce.fmul.f32.v4f32(float, <4 x float>)
declare float @llvm.vector.reduce.fmin.v8f32(<8 x float>)
declare float @llvm.vector.reduce.fmin.v4f32(<4 x float>)
declare float @llvm.vector.reduce.fmax.v8f32(<8 x float>)
declare float @llvm.vector.reduce.fmax.v4f32(<4 x float>)
declare float @llvm.vector.reduce.fminimum.v8f32(<8 x float>)
declare float @llvm.vector.reduce.fminimum.v4f32(<4 x float>)
declare float @llvm.vector.reduce.fmaximum.v8f32(<8 x float>)
declare float @llvm.vector.reduce.fmaximum.v4f32(<4 x float>)
declare i32 @llvm.vector.reduce.add.i32.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.add.i32.v4i32(<4 x i32>)
declare i16 @llvm.vector.reduce.add.i16.v32i16(<32 x i16>)
declare i16 @llvm.vector.reduce.add.i16.v16i16(<16 x i16>)
declare i32 @llvm.vector.reduce.mul.i32.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.mul.i32.v4i32(<4 x i32>)
declare i32 @llvm.vector.reduce.and.i32.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.and.i32.v4i32(<4 x i32>)
declare i32 @llvm.vector.reduce.or.i32.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.or.i32.v4i32(<4 x i32>)
declare i32 @llvm.vector.reduce.xor.i32.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.xor.i32.v4i32(<4 x i32>)
declare i32 @llvm.vector.reduce.umin.i32.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.umin.i32.v4i32(<4 x i32>)
declare i32 @llvm.vector.reduce.umax.i32.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.umax.i32.v4i32(<4 x i32>)
declare i32 @llvm.vector.reduce.smin.i32.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.smin.i32.v4i32(<4 x i32>)
declare i32 @llvm.vector.reduce.smax.i32.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.smax.i32.v4i32(<4 x i32>)
declare float @llvm.minnum.f32(float, float)
declare float @llvm.maxnum.f32(float, float)
declare float @llvm.minimum.f32(float, float)
declare float @llvm.maximum.f32(float, float)
declare i32 @llvm.umin.i32(i32, i32)
declare i32 @llvm.umax.i32(i32, i32)
declare i32 @llvm.smin.i32(i32, i32)
declare i32 @llvm.smax.i32(i32, i32)