; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s

define <8 x i32> @zext_8i16_to_8i32(<8 x i16> %A) nounwind uwtable readnone ssp {
;CHECK-LABEL: zext_8i16_to_8i32:
;CHECK: vpunpckhwd
;CHECK: ret

  %B = zext <8 x i16> %A to <8 x i32>
  ret <8 x i32>%B
}

define <4 x i64> @zext_4i32_to_4i64(<4 x i32> %A) nounwind uwtable readnone ssp {
;CHECK-LABEL: zext_4i32_to_4i64:
;CHECK: vpunpckhdq
;CHECK: ret

  %B = zext <4 x i32> %A to <4 x i64>
  ret <4 x i64>%B
}

define <8 x i32> @zext_8i8_to_8i32(<8 x i8> %z) {
;CHECK-LABEL: zext_8i8_to_8i32:
;CHECK: vpunpckhwd
;CHECK: vpmovzxwd
;CHECK: vinsertf128
;CHECK: ret
  %t = zext <8 x i8> %z to <8 x i32>
  ret <8 x i32> %t
}

; PR17654
define <16 x i16> @zext_16i8_to_16i16(<16 x i8> %z) {
; CHECK-LABEL: zext_16i8_to_16i16:
; CHECK: vpxor
; CHECK: vpunpckhbw
; CHECK: vpunpcklbw
; CHECK: vinsertf128
; CHECK: ret
  %t = zext <16 x i8> %z to <16 x i16>
  ret <16 x i16> %t
}
