llvm/llvm/test/CodeGen/LoongArch/lsx/ir-instruction/shuffle-as-vpack.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc --mtriple=loongarch64 --mattr=+lsx %s -o - | FileCheck %s

;; vpackev.b
define <16 x i8> @shufflevector_pack_ev_v16i8(<16 x i8> %a, <16 x i8> %b) {
; CHECK-LABEL: shufflevector_pack_ev_v16i8:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackev.b $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 0, i32 16, i32 2, i32 18, i32 4, i32 20, i32 6, i32 22, i32 8, i32 24, i32 10, i32 26, i32 12, i32 28, i32 14, i32 30>
    ret <16 x i8> %c
}

;; vpackev.h
define <8 x i16> @shufflevector_pack_ev_v8i16(<8 x i16> %a, <8 x i16> %b) {
; CHECK-LABEL: shufflevector_pack_ev_v8i16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackev.h $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <8 x i16> %a, <8 x i16> %b, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>
    ret <8 x i16> %c
}

;; vpackev.w
define <4 x i32> @shufflevector_pack_ev_v4i32(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: shufflevector_pack_ev_v4i32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackev.w $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
    ret <4 x i32> %c
}

;; vpickev.d/vpackev.d/vilvl.d
define <2 x i64> @shufflevector_pack_ev_v2i64(<2 x i64> %a, <2 x i64> %b) {
; CHECK-LABEL: shufflevector_pack_ev_v2i64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackev.d $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> <i32 0, i32 2>
    ret <2 x i64> %c
}

;; vpackev.w
define <4 x float> @shufflevector_pack_ev_v4f32(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: shufflevector_pack_ev_v4f32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackev.w $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
    ret <4 x float> %c
}

;; vpickev.d/vpackev.d/vilvl.d
define <2 x double> @shufflevector_pack_ev_v2f64(<2 x double> %a, <2 x double> %b) {
; CHECK-LABEL: shufflevector_pack_ev_v2f64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackev.d $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <2 x double> %a, <2 x double> %b, <2 x i32> <i32 0, i32 2>
    ret <2 x double> %c
}

;; vpackod.b
define <16 x i8> @shufflevector_pack_od_v16i8(<16 x i8> %a, <16 x i8> %b) {
; CHECK-LABEL: shufflevector_pack_od_v16i8:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackod.b $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 1, i32 17, i32 3, i32 19, i32 5, i32 21, i32 7, i32 23, i32 9, i32 25, i32 11, i32 27, i32 13, i32 29, i32 15, i32 31>
    ret <16 x i8> %c
}

;; vpackod.h
define <8 x i16> @shufflevector_pack_od_v8i16(<8 x i16> %a, <8 x i16> %b) {
; CHECK-LABEL: shufflevector_pack_od_v8i16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackod.h $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <8 x i16> %a, <8 x i16> %b, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15>
    ret <8 x i16> %c
}

;; vpackod.w
define <4 x i32> @shufflevector_pack_od_v4i32(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: shufflevector_pack_od_v4i32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackod.w $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
    ret <4 x i32> %c
}

;; vpickod.d/vpackod.d/vilvh.d
define <2 x i64> @shufflodector_pack_od_v2i64(<2 x i64> %a, <2 x i64> %b) {
; CHECK-LABEL: shufflodector_pack_od_v2i64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackod.d $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> <i32 1, i32 3>
    ret <2 x i64> %c
}

;; vpackod.w
define <4 x float> @shufflodector_pack_od_v4f32(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: shufflodector_pack_od_v4f32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackod.w $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
    ret <4 x float> %c
}

;; vpickod.d/vpackod.d/vilvh.d
define <2 x double> @shufflodector_pack_od_v2f64(<2 x double> %a, <2 x double> %b) {
; CHECK-LABEL: shufflodector_pack_od_v2f64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpackod.d $vr0, $vr1, $vr0
; CHECK-NEXT:    ret
    %c = shufflevector <2 x double> %a, <2 x double> %b, <2 x i32> <i32 1, i32 3>
    ret <2 x double> %c
}