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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; RUN: llc < %s -mtriple=aarch64 | FileCheck %s --check-prefix=CHECKLE
; RUN: llc < %s -mtriple=aarch64_be | FileCheck %s --check-prefix=CHECKBE
define <4 x i16> @test_reconstructshuffle(<16 x i8> %a, <16 x i8> %b) nounwind {
; CHECKLE-LABEL: test_reconstructshuffle:
; CHECKLE: // %bb.0:
; CHECKLE-NEXT: mov b2, v0.b[3]
; CHECKLE-NEXT: ext v1.16b, v1.16b, v1.16b, #8
; CHECKLE-NEXT: mov v2.b[2], v0.b[2]
; CHECKLE-NEXT: mov v2.b[4], v0.b[1]
; CHECKLE-NEXT: mov v2.b[6], v0.b[0]
; CHECKLE-NEXT: zip2 v0.8b, v1.8b, v0.8b
; CHECKLE-NEXT: add v0.4h, v2.4h, v0.4h
; CHECKLE-NEXT: bic v0.4h, #255, lsl #8
; CHECKLE-NEXT: ret
;
; CHECKBE-LABEL: test_reconstructshuffle:
; CHECKBE: // %bb.0:
; CHECKBE-NEXT: rev64 v0.16b, v0.16b
; CHECKBE-NEXT: rev64 v1.16b, v1.16b
; CHECKBE-NEXT: ext v0.16b, v0.16b, v0.16b, #8
; CHECKBE-NEXT: ext v1.16b, v1.16b, v1.16b, #8
; CHECKBE-NEXT: mov b2, v0.b[3]
; CHECKBE-NEXT: ext v1.16b, v1.16b, v1.16b, #8
; CHECKBE-NEXT: mov v2.b[2], v0.b[2]
; CHECKBE-NEXT: mov v2.b[4], v0.b[1]
; CHECKBE-NEXT: mov v2.b[6], v0.b[0]
; CHECKBE-NEXT: zip2 v0.8b, v1.8b, v0.8b
; CHECKBE-NEXT: add v0.4h, v2.4h, v0.4h
; CHECKBE-NEXT: bic v0.4h, #255, lsl #8
; CHECKBE-NEXT: rev64 v0.4h, v0.4h
; CHECKBE-NEXT: ret
%tmp1 = shufflevector <16 x i8> %a, <16 x i8> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
%tmp2 = shufflevector <16 x i8> %b, <16 x i8> undef, <4 x i32> <i32 12, i32 13, i32 14, i32 15>
%tmp3 = add <4 x i8> %tmp1, %tmp2
%tmp4 = zext <4 x i8> %tmp3 to <4 x i16>
ret <4 x i16> %tmp4
}
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