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llvm/test/Transforms/InstCombine/x86-pack.ll

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
;
; Demanded Elts
;
define <8 x i16> @elts_packssdw_128(<4 x i32> %a0, <4 x i32> %a1) {
; CHECK-LABEL: @elts_packssdw_128(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i32> %a0, <4 x i32> undef, <4 x i32> <i32 3, i32 1, i32 undef, i32 undef>
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x i32> %a1, <4 x i32> undef, <4 x i32> <i32 undef, i32 2, i32 1, i32 undef>
; CHECK-NEXT: [[TMP3:%.*]] = call <8 x i16> @llvm.x86.sse2.packssdw.128(<4 x i32> [[TMP1]], <4 x i32> [[TMP2]])
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <8 x i16> [[TMP3]], <8 x i16> undef, <8 x i32> <i32 1, i32 1, i32 1, i32 1, i32 7, i32 7, i32 7, i32 7>
; CHECK-NEXT: ret <8 x i16> [[TMP4]]
;
%1 = shufflevector <4 x i32> %a0, <4 x i32> undef, <4 x i32> <i32 3, i32 1, i32 undef, i32 undef>
%2 = shufflevector <4 x i32> %a1, <4 x i32> undef, <4 x i32> <i32 undef, i32 2, i32 1, i32 undef>
%3 = call <8 x i16> @llvm.x86.sse2.packssdw.128(<4 x i32> %1, <4 x i32> %2)
%4 = shufflevector <8 x i16> %3, <8 x i16> undef, <8 x i32> <i32 1, i32 1, i32 1, i32 1, i32 7, i32 7, i32 7, i32 7>
ret <8 x i16> %4
}
define <8 x i16> @elts_packusdw_128(<4 x i32> %a0, <4 x i32> %a1) {
; CHECK-LABEL: @elts_packusdw_128(
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x i32> %a0, i32 0, i32 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i32> %a1, i32 0, i32 3
; CHECK-NEXT: [[TMP3:%.*]] = call <8 x i16> @llvm.x86.sse41.packusdw(<4 x i32> [[TMP1]], <4 x i32> [[TMP2]])
; CHECK-NEXT: ret <8 x i16> [[TMP3]]
;
%1 = insertelement <4 x i32> %a0, i32 0, i32 0
%2 = insertelement <4 x i32> %a1, i32 0, i32 3
%3 = call <8 x i16> @llvm.x86.sse41.packusdw(<4 x i32> %1, <4 x i32> %2)
%4 = shufflevector <8 x i16> %3, <8 x i16> undef, <8 x i32> <i32 undef, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 undef>
ret <8 x i16> %4
}
define <16 x i8> @elts_packsswb_128(<8 x i16> %a0, <8 x i16> %a1) {
; CHECK-LABEL: @elts_packsswb_128(
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <8 x i16> %a0, i16 0, i32 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <8 x i16> %a1, i16 0, i32 0
; CHECK-NEXT: [[TMP3:%.*]] = call <16 x i8> @llvm.x86.sse2.packsswb.128(<8 x i16> [[TMP1]], <8 x i16> [[TMP2]])
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <16 x i8> [[TMP3]], <16 x i8> undef, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
; CHECK-NEXT: ret <16 x i8> [[TMP4]]
;
%1 = insertelement <8 x i16> %a0, i16 0, i32 0
%2 = insertelement <8 x i16> %a1, i16 0, i32 0
%3 = call <16 x i8> @llvm.x86.sse2.packsswb.128(<8 x i16> %1, <8 x i16> %2)
%4 = shufflevector <16 x i8> %3, <16 x i8> undef, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
ret <16 x i8> %4
}
define <16 x i8> @elts_packuswb_128(<8 x i16> %a0, <8 x i16> %a1) {
; CHECK-LABEL: @elts_packuswb_128(
; CHECK-NEXT: [[TMP1:%.*]] = call <16 x i8> @llvm.x86.sse2.packuswb.128(<8 x i16> <i16 0, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef>, <8 x i16> <i16 0, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef>)
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <16 x i8> [[TMP1]], <16 x i8> undef, <16 x i32> <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
; CHECK-NEXT: ret <16 x i8> [[TMP2]]
;
%1 = insertelement <8 x i16> undef, i16 0, i32 0
%2 = insertelement <8 x i16> undef, i16 0, i32 0
%3 = call <16 x i8> @llvm.x86.sse2.packuswb.128(<8 x i16> %1, <8 x i16> %2)
%4 = shufflevector <16 x i8> %3, <16 x i8> undef, <16 x i32> <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
ret <16 x i8> %4
}
define <16 x i16> @elts_packssdw_256(<8 x i32> %a0, <8 x i32> %a1) {
; CHECK-LABEL: @elts_packssdw_256(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x i32> %a0, <8 x i32> undef, <8 x i32> <i32 1, i32 0, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <8 x i32> %a1, <8 x i32> undef, <8 x i32> <i32 undef, i32 2, i32 1, i32 undef, i32 undef, i32 6, i32 5, i32 undef>
; CHECK-NEXT: [[TMP3:%.*]] = call <16 x i16> @llvm.x86.avx2.packssdw(<8 x i32> [[TMP1]], <8 x i32> [[TMP2]])
; CHECK-NEXT: ret <16 x i16> [[TMP3]]
;
%1 = shufflevector <8 x i32> %a0, <8 x i32> undef, <8 x i32> <i32 1, i32 0, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
%2 = shufflevector <8 x i32> %a1, <8 x i32> undef, <8 x i32> <i32 undef, i32 2, i32 1, i32 undef, i32 undef, i32 6, i32 5, i32 undef>
%3 = call <16 x i16> @llvm.x86.avx2.packssdw(<8 x i32> %1, <8 x i32> %2)
%4 = shufflevector <16 x i16> %3, <16 x i16> undef, <16 x i32> <i32 undef, i32 undef, i32 2, i32 3, i32 4, i32 undef, i32 undef, i32 7, i32 8, i32 undef, i32 undef, i32 11, i32 12, i32 undef, i32 undef, i32 15>
ret <16 x i16> %4
}
define <16 x i16> @elts_packusdw_256(<8 x i32> %a0, <8 x i32> %a1) {
; CHECK-LABEL: @elts_packusdw_256(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x i32> %a1, <8 x i32> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT: [[TMP2:%.*]] = call <16 x i16> @llvm.x86.avx2.packusdw(<8 x i32> %a0, <8 x i32> [[TMP1]])
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <16 x i16> [[TMP2]], <16 x i16> undef, <16 x i32> <i32 4, i32 5, i32 6, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 12, i32 13, i32 14, i32 15, i32 undef, i32 undef, i32 undef, i32 undef>
; CHECK-NEXT: ret <16 x i16> [[TMP3]]
;
%1 = shufflevector <8 x i32> %a0, <8 x i32> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
%2 = shufflevector <8 x i32> %a1, <8 x i32> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
%3 = call <16 x i16> @llvm.x86.avx2.packusdw(<8 x i32> %1, <8 x i32> %2)
%4 = shufflevector <16 x i16> %3, <16 x i16> undef, <16 x i32> <i32 4, i32 5, i32 6, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 12, i32 13, i32 14, i32 15, i32 undef, i32 undef, i32 undef, i32 undef>
ret <16 x i16> %4
}
define <32 x i8> @elts_packsswb_256(<16 x i16> %a0, <16 x i16> %a1) {
; CHECK-LABEL: @elts_packsswb_256(
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <16 x i16> %a0, i16 0, i32 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <16 x i16> %a1, i16 0, i32 8
; CHECK-NEXT: [[TMP3:%.*]] = call <32 x i8> @llvm.x86.avx2.packsswb(<16 x i16> [[TMP1]], <16 x i16> [[TMP2]])
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <32 x i8> [[TMP3]], <32 x i8> undef, <32 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24>
; CHECK-NEXT: ret <32 x i8> [[TMP4]]
;
%1 = insertelement <16 x i16> %a0, i16 0, i32 0
%2 = insertelement <16 x i16> %a1, i16 0, i32 8
%3 = call <32 x i8> @llvm.x86.avx2.packsswb(<16 x i16> %1, <16 x i16> %2)
%4 = shufflevector <32 x i8> %3, <32 x i8> undef, <32 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24>
ret <32 x i8> %4
}
define <32 x i8> @elts_packuswb_256(<16 x i16> %a0, <16 x i16> %a1) {
; CHECK-LABEL: @elts_packuswb_256(
; CHECK-NEXT: [[TMP1:%.*]] = call <32 x i8> @llvm.x86.avx2.packuswb(<16 x i16> <i16 undef, i16 0, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef>, <16 x i16> <i16 0, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef>)
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <32 x i8> [[TMP1]], <32 x i8> undef, <32 x i32> zeroinitializer
; CHECK-NEXT: ret <32 x i8> [[TMP2]]
;
%1 = insertelement <16 x i16> undef, i16 0, i32 1
%2 = insertelement <16 x i16> undef, i16 0, i32 0
%3 = call <32 x i8> @llvm.x86.avx2.packuswb(<16 x i16> %1, <16 x i16> %2)
%4 = shufflevector <32 x i8> %3, <32 x i8> undef, <32 x i32> zeroinitializer
ret <32 x i8> %4
}
declare <8 x i16> @llvm.x86.sse2.packssdw.128(<4 x i32>, <4 x i32>) nounwind readnone
declare <16 x i8> @llvm.x86.sse2.packsswb.128(<8 x i16>, <8 x i16>) nounwind readnone
declare <16 x i8> @llvm.x86.sse2.packuswb.128(<8 x i16>, <8 x i16>) nounwind readnone
declare <8 x i16> @llvm.x86.sse41.packusdw(<4 x i32>, <4 x i32>) nounwind readnone
declare <16 x i16> @llvm.x86.avx2.packssdw(<8 x i32>, <8 x i32>) nounwind readnone
declare <16 x i16> @llvm.x86.avx2.packusdw(<8 x i32>, <8 x i32>) nounwind readnone
declare <32 x i8> @llvm.x86.avx2.packsswb(<16 x i16>, <16 x i16>) nounwind readnone
declare <32 x i8> @llvm.x86.avx2.packuswb(<16 x i16>, <16 x i16>) nounwind readnone
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