File: qmovn.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-none-elf -verify-machineinstrs %s -o - | FileCheck %s

define <4 x i16> @vqmovni32_smaxmin(<4 x i32> %s0) {
; CHECK-LABEL: vqmovni32_smaxmin:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sqxtn v0.4h, v0.4s
; CHECK-NEXT:    ret
entry:
  %c1 = icmp slt <4 x i32> %s0, <i32 32767, i32 32767, i32 32767, i32 32767>
  %s1 = select <4 x i1> %c1, <4 x i32> %s0, <4 x i32> <i32 32767, i32 32767, i32 32767, i32 32767>
  %c2 = icmp sgt <4 x i32> %s1, <i32 -32768, i32 -32768, i32 -32768, i32 -32768>
  %s2 = select <4 x i1> %c2, <4 x i32> %s1, <4 x i32> <i32 -32768, i32 -32768, i32 -32768, i32 -32768>
  %t = trunc <4 x i32> %s2 to <4 x i16>
  ret <4 x i16> %t
}

define <4 x i16> @vqmovni32_sminmax(<4 x i32> %s0) {
; CHECK-LABEL: vqmovni32_sminmax:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sqxtn v0.4h, v0.4s
; CHECK-NEXT:    ret
entry:
  %c1 = icmp sgt <4 x i32> %s0, <i32 -32768, i32 -32768, i32 -32768, i32 -32768>
  %s1 = select <4 x i1> %c1, <4 x i32> %s0, <4 x i32> <i32 -32768, i32 -32768, i32 -32768, i32 -32768>
  %c2 = icmp slt <4 x i32> %s1, <i32 32767, i32 32767, i32 32767, i32 32767>
  %s2 = select <4 x i1> %c2, <4 x i32> %s1, <4 x i32> <i32 32767, i32 32767, i32 32767, i32 32767>
  %t = trunc <4 x i32> %s2 to <4 x i16>
  ret <4 x i16> %t
}

define <4 x i16> @vqmovni32_umaxmin(<4 x i32> %s0) {
; CHECK-LABEL: vqmovni32_umaxmin:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uqxtn v0.4h, v0.4s
; CHECK-NEXT:    ret
entry:
  %c1 = icmp ult <4 x i32> %s0, <i32 65535, i32 65535, i32 65535, i32 65535>
  %s1 = select <4 x i1> %c1, <4 x i32> %s0, <4 x i32> <i32 65535, i32 65535, i32 65535, i32 65535>
  %t = trunc <4 x i32> %s1 to <4 x i16>
  ret <4 x i16> %t
}

define <8 x i8> @vqmovni16_smaxmin(<8 x i16> %s0) {
; CHECK-LABEL: vqmovni16_smaxmin:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sqxtn v0.8b, v0.8h
; CHECK-NEXT:    ret
entry:
  %c1 = icmp slt <8 x i16> %s0, <i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127>
  %s1 = select <8 x i1> %c1, <8 x i16> %s0, <8 x i16> <i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127>
  %c2 = icmp sgt <8 x i16> %s1, <i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128>
  %s2 = select <8 x i1> %c2, <8 x i16> %s1, <8 x i16> <i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128>
  %t = trunc <8 x i16> %s2 to <8 x i8>
  ret <8 x i8> %t
}

define <8 x i8> @vqmovni16_sminmax(<8 x i16> %s0) {
; CHECK-LABEL: vqmovni16_sminmax:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    sqxtn v0.8b, v0.8h
; CHECK-NEXT:    ret
entry:
  %c1 = icmp sgt <8 x i16> %s0, <i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128>
  %s1 = select <8 x i1> %c1, <8 x i16> %s0, <8 x i16> <i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128>
  %c2 = icmp slt <8 x i16> %s1, <i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127>
  %s2 = select <8 x i1> %c2, <8 x i16> %s1, <8 x i16> <i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127>
  %t = trunc <8 x i16> %s2 to <8 x i8>
  ret <8 x i8> %t
}

define <8 x i8> @vqmovni16_umaxmin(<8 x i16> %s0) {
; CHECK-LABEL: vqmovni16_umaxmin:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    uqxtn v0.8b, v0.8h
; CHECK-NEXT:    ret
entry:
  %c1 = icmp ult <8 x i16> %s0, <i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255>
  %s1 = select <8 x i1> %c1, <8 x i16> %s0, <8 x i16> <i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255>
  %t = trunc <8 x i16> %s1 to <8 x i8>
  ret <8 x i8> %t
}

define <2 x i32> @vqmovni64_smaxmin(<2 x i64> %s0) {
; CHECK-LABEL: vqmovni64_smaxmin:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    mov w8, #2147483647 // =0x7fffffff
; CHECK-NEXT:    dup v1.2d, x8
; CHECK-NEXT:    mov x8, #-2147483648 // =0xffffffff80000000
; CHECK-NEXT:    cmgt v2.2d, v1.2d, v0.2d
; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT:    dup v1.2d, x8
; CHECK-NEXT:    cmgt v2.2d, v0.2d, v1.2d
; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT:    xtn v0.2s, v0.2d
; CHECK-NEXT:    ret
entry:
  %c1 = icmp slt <2 x i64> %s0, <i64 2147483647, i64 2147483647>
  %s1 = select <2 x i1> %c1, <2 x i64> %s0, <2 x i64> <i64 2147483647, i64 2147483647>
  %c2 = icmp sgt <2 x i64> %s1, <i64 -2147483648, i64 -2147483648>
  %s2 = select <2 x i1> %c2, <2 x i64> %s1, <2 x i64> <i64 -2147483648, i64 -2147483648>
  %t = trunc <2 x i64> %s2 to <2 x i32>
  ret <2 x i32> %t
}

define <2 x i32> @vqmovni64_sminmax(<2 x i64> %s0) {
; CHECK-LABEL: vqmovni64_sminmax:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    mov x8, #-2147483648 // =0xffffffff80000000
; CHECK-NEXT:    dup v1.2d, x8
; CHECK-NEXT:    mov w8, #2147483647 // =0x7fffffff
; CHECK-NEXT:    cmgt v2.2d, v0.2d, v1.2d
; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT:    dup v1.2d, x8
; CHECK-NEXT:    cmgt v2.2d, v1.2d, v0.2d
; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT:    xtn v0.2s, v0.2d
; CHECK-NEXT:    ret
entry:
  %c1 = icmp sgt <2 x i64> %s0, <i64 -2147483648, i64 -2147483648>
  %s1 = select <2 x i1> %c1, <2 x i64> %s0, <2 x i64> <i64 -2147483648, i64 -2147483648>
  %c2 = icmp slt <2 x i64> %s1, <i64 2147483647, i64 2147483647>
  %s2 = select <2 x i1> %c2, <2 x i64> %s1, <2 x i64> <i64 2147483647, i64 2147483647>
  %t = trunc <2 x i64> %s2 to <2 x i32>
  ret <2 x i32> %t
}

define <2 x i32> @vqmovni64_umaxmin(<2 x i64> %s0) {
; CHECK-LABEL: vqmovni64_umaxmin:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi v1.2d, #0x000000ffffffff
; CHECK-NEXT:    cmhi v1.2d, v1.2d, v0.2d
; CHECK-NEXT:    and v0.16b, v0.16b, v1.16b
; CHECK-NEXT:    orn v0.16b, v0.16b, v1.16b
; CHECK-NEXT:    xtn v0.2s, v0.2d
; CHECK-NEXT:    ret
entry:
  %c1 = icmp ult <2 x i64> %s0, <i64 4294967295, i64 4294967295>
  %s1 = select <2 x i1> %c1, <2 x i64> %s0, <2 x i64> <i64 4294967295, i64 4294967295>
  %t = trunc <2 x i64> %s1 to <2 x i32>
  ret <2 x i32> %t
}

; Test the (concat_vectors (X), (trunc(smin(smax(Y, -2^n), 2^n-1))) pattern.

define <16 x i8> @signed_minmax_v8i16_to_v16i8(<8 x i8> %x, <8 x i16> %y) {
; CHECK-LABEL: signed_minmax_v8i16_to_v16i8:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    sqxtn2 v0.16b, v1.8h
; CHECK-NEXT:    ret
entry:
  %min = call <8 x i16> @llvm.smin.v8i16(<8 x i16> %y, <8 x i16> <i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127>)
  %max = call <8 x i16> @llvm.smax.v8i16(<8 x i16> %min, <8 x i16> <i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128>)
  %trunc = trunc <8 x i16> %max to <8 x i8>
  %shuffle = shufflevector <8 x i8> %x, <8 x i8> %trunc, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
  ret <16 x i8> %shuffle
}

define <8 x i16> @signed_minmax_v4i32_to_v8i16(<4 x i16> %x, <4 x i32> %y) {
; CHECK-LABEL: signed_minmax_v4i32_to_v8i16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    sqxtn2 v0.8h, v1.4s
; CHECK-NEXT:    ret
entry:
  %min = call <4 x i32> @llvm.smin.v4i32(<4 x i32> %y, <4 x i32> <i32 32767, i32 32767, i32 32767, i32 32767>)
  %max = call <4 x i32> @llvm.smax.v4i32(<4 x i32> %min, <4 x i32> <i32 -32768, i32 -32768, i32 -32768, i32 -32768>)
  %trunc = trunc <4 x i32> %max to <4 x i16>
  %shuffle = shufflevector <4 x i16> %x, <4 x i16> %trunc, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
  ret <8 x i16> %shuffle
}

define <4 x i32> @signed_minmax_v2i64_to_v4i32(<2 x i32> %x, <2 x i64> %y) {
; CHECK-LABEL: signed_minmax_v2i64_to_v4i32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    mov w8, #2147483647 // =0x7fffffff
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    dup v2.2d, x8
; CHECK-NEXT:    mov x8, #-2147483648 // =0xffffffff80000000
; CHECK-NEXT:    cmgt v3.2d, v2.2d, v1.2d
; CHECK-NEXT:    bif v1.16b, v2.16b, v3.16b
; CHECK-NEXT:    dup v2.2d, x8
; CHECK-NEXT:    cmgt v3.2d, v1.2d, v2.2d
; CHECK-NEXT:    bif v1.16b, v2.16b, v3.16b
; CHECK-NEXT:    xtn2 v0.4s, v1.2d
; CHECK-NEXT:    ret
entry:
  %min = call <2 x i64> @llvm.smin.v2i64(<2 x i64> %y, <2 x i64> <i64 2147483647, i64 2147483647>)
  %max = call <2 x i64> @llvm.smax.v2i64(<2 x i64> %min, <2 x i64> <i64 -2147483648, i64 -2147483648>)
  %trunc = trunc <2 x i64> %max to <2 x i32>
  %shuffle = shufflevector <2 x i32> %x, <2 x i32> %trunc, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x i32> %shuffle
}

; Test the (concat_vectors (X), (trunc(smax(smin(Y, 2^n-1), -2^n))) pattern.

define <16 x i8> @signed_maxmin_v8i16_to_v16i8(<8 x i8> %x, <8 x i16> %y) {
; CHECK-LABEL: signed_maxmin_v8i16_to_v16i8:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    sqxtn2 v0.16b, v1.8h
; CHECK-NEXT:    ret
entry:
  %max = call <8 x i16> @llvm.smax.v8i16(<8 x i16> %y, <8 x i16> <i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128, i16 -128>)
  %min = call <8 x i16> @llvm.smin.v8i16(<8 x i16> %max, <8 x i16> <i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127, i16 127>)
  %trunc = trunc <8 x i16> %min to <8 x i8>
  %shuffle = shufflevector <8 x i8> %x, <8 x i8> %trunc, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
  ret <16 x i8> %shuffle
}

define <8 x i16> @signed_maxmin_v4i32_to_v8i16(<4 x i16> %x, <4 x i32> %y) {
; CHECK-LABEL: signed_maxmin_v4i32_to_v8i16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    sqxtn2 v0.8h, v1.4s
; CHECK-NEXT:    ret
entry:
  %max = call <4 x i32> @llvm.smax.v4i32(<4 x i32> %y, <4 x i32> <i32 -32768, i32 -32768, i32 -32768, i32 -32768>)
  %min = call <4 x i32> @llvm.smin.v4i32(<4 x i32> %max, <4 x i32> <i32 32767, i32 32767, i32 32767, i32 32767>)
  %trunc = trunc <4 x i32> %min to <4 x i16>
  %shuffle = shufflevector <4 x i16> %x, <4 x i16> %trunc, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
  ret <8 x i16> %shuffle
}

define <4 x i32> @signed_maxmin_v2i64_to_v4i32(<2 x i32> %x, <2 x i64> %y) {
; CHECK-LABEL: signed_maxmin_v2i64_to_v4i32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    mov x8, #-2147483648 // =0xffffffff80000000
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    dup v2.2d, x8
; CHECK-NEXT:    mov w8, #2147483647 // =0x7fffffff
; CHECK-NEXT:    cmgt v3.2d, v1.2d, v2.2d
; CHECK-NEXT:    bif v1.16b, v2.16b, v3.16b
; CHECK-NEXT:    dup v2.2d, x8
; CHECK-NEXT:    cmgt v3.2d, v2.2d, v1.2d
; CHECK-NEXT:    bif v1.16b, v2.16b, v3.16b
; CHECK-NEXT:    xtn2 v0.4s, v1.2d
; CHECK-NEXT:    ret
entry:
  %max = call <2 x i64> @llvm.smax.v2i64(<2 x i64> %y, <2 x i64> <i64 -2147483648, i64 -2147483648>)
  %min = call <2 x i64> @llvm.smin.v2i64(<2 x i64> %max, <2 x i64> <i64 2147483647, i64 2147483647>)
  %trunc = trunc <2 x i64> %min to <2 x i32>
  %shuffle = shufflevector <2 x i32> %x, <2 x i32> %trunc, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x i32> %shuffle
}

; Test the (concat_vectors (X), (trunc(umin(Y, 2^n)))) pattern.

define <16 x i8> @unsigned_v8i16_to_v16i8(<8 x i8> %x, <8 x i16> %y) {
; CHECK-LABEL: unsigned_v8i16_to_v16i8:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    uqxtn2 v0.16b, v1.8h
; CHECK-NEXT:    ret
entry:
  %min = call <8 x i16> @llvm.umin.v8i16(<8 x i16> %y, <8 x i16> <i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255>)
  %trunc = trunc <8 x i16> %min to <8 x i8>
  %shuffle = shufflevector <8 x i8> %x, <8 x i8> %trunc, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
  ret <16 x i8> %shuffle
}

define <8 x i16> @unsigned_v4i32_to_v8i16(<4 x i16> %x, <4 x i32> %y) {
; CHECK-LABEL: unsigned_v4i32_to_v8i16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    uqxtn2 v0.8h, v1.4s
; CHECK-NEXT:    ret
entry:
  %min = call <4 x i32> @llvm.umin.v4i32(<4 x i32> %y, <4 x i32> <i32 65535, i32 65535, i32 65535, i32 65535>)
  %trunc = trunc <4 x i32> %min to <4 x i16>
  %shuffle = shufflevector <4 x i16> %x, <4 x i16> %trunc, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
  ret <8 x i16> %shuffle
}

define <4 x i32> @unsigned_v2i64_to_v4i32(<2 x i32> %x, <2 x i64> %y) {
; CHECK-LABEL: unsigned_v2i64_to_v4i32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi v2.2d, #0x000000ffffffff
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    cmhi v2.2d, v2.2d, v1.2d
; CHECK-NEXT:    and v1.16b, v1.16b, v2.16b
; CHECK-NEXT:    orn v1.16b, v1.16b, v2.16b
; CHECK-NEXT:    xtn2 v0.4s, v1.2d
; CHECK-NEXT:    ret
entry:
  %min = call <2 x i64> @llvm.umin.v2i64(<2 x i64> %y, <2 x i64> <i64 4294967295, i64 4294967295>)
  %trunc = trunc <2 x i64> %min to <2 x i32>
  %shuffle = shufflevector <2 x i32> %x, <2 x i32> %trunc, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x i32> %shuffle
}

; Test the (concat_vectors (X), (trunc(umin(smax(Y, 0), 2^n))))) pattern.

define <16 x i8> @us_maxmin_v8i16_to_v16i8(<8 x i8> %x, <8 x i16> %y) {
; CHECK-LABEL: us_maxmin_v8i16_to_v16i8:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi v2.2d, #0000000000000000
; CHECK-NEXT:    movi v3.2d, #0xff00ff00ff00ff
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    smax v1.8h, v1.8h, v2.8h
; CHECK-NEXT:    smin v1.8h, v1.8h, v3.8h
; CHECK-NEXT:    xtn2 v0.16b, v1.8h
; CHECK-NEXT:    ret
entry:
  %max = call <8 x i16> @llvm.smax.v8i16(<8 x i16> %y, <8 x i16> zeroinitializer)
  %min = call <8 x i16> @llvm.umin.v8i16(<8 x i16> %max, <8 x i16> <i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255>)
  %trunc = trunc <8 x i16> %min to <8 x i8>
  %shuffle = shufflevector <8 x i8> %x, <8 x i8> %trunc, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
  ret <16 x i8> %shuffle
}

define <8 x i16> @us_maxmin_v4i32_to_v8i16(<4 x i16> %x, <4 x i32> %y) {
; CHECK-LABEL: us_maxmin_v4i32_to_v8i16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi v2.2d, #0000000000000000
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    smax v1.4s, v1.4s, v2.4s
; CHECK-NEXT:    movi v2.2d, #0x00ffff0000ffff
; CHECK-NEXT:    smin v1.4s, v1.4s, v2.4s
; CHECK-NEXT:    xtn2 v0.8h, v1.4s
; CHECK-NEXT:    ret
entry:
  %max = call <4 x i32> @llvm.smax.v4i32(<4 x i32> %y, <4 x i32> zeroinitializer)
  %min = call <4 x i32> @llvm.umin.v4i32(<4 x i32> %max, <4 x i32> <i32 65535, i32 65535, i32 65535, i32 65535>)
  %trunc = trunc <4 x i32> %min to <4 x i16>
  %shuffle = shufflevector <4 x i16> %x, <4 x i16> %trunc, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
  ret <8 x i16> %shuffle
}

define <4 x i32> @us_maxmin_v2i64_to_v4i32(<2 x i32> %x, <2 x i64> %y) {
; CHECK-LABEL: us_maxmin_v2i64_to_v4i32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    cmgt v2.2d, v1.2d, #0
; CHECK-NEXT:    movi v3.2d, #0x000000ffffffff
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    and v1.16b, v1.16b, v2.16b
; CHECK-NEXT:    cmgt v2.2d, v3.2d, v1.2d
; CHECK-NEXT:    and v1.16b, v1.16b, v2.16b
; CHECK-NEXT:    orn v1.16b, v1.16b, v2.16b
; CHECK-NEXT:    xtn2 v0.4s, v1.2d
; CHECK-NEXT:    ret
entry:
  %max = call <2 x i64> @llvm.smax.v2i64(<2 x i64> %y, <2 x i64> zeroinitializer)
  %min = call <2 x i64> @llvm.umin.v2i64(<2 x i64> %max, <2 x i64> <i64 4294967295, i64 4294967295>)
  %trunc = trunc <2 x i64> %min to <2 x i32>
  %shuffle = shufflevector <2 x i32> %x, <2 x i32> %trunc, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x i32> %shuffle
}