; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=SSE,SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefixes=SSE,SSE41
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefixes=AVX,AVX1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=AVX,AVX2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+xop,+avx | FileCheck %s --check-prefixes=XOP,XOPAVX1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+xop,+avx2 | FileCheck %s --check-prefixes=XOP,XOPAVX2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512dq | FileCheck %s --check-prefixes=AVX512,AVX512DQ
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw | FileCheck %s --check-prefixes=AVX512,AVX512BW
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512dq,+avx512vl | FileCheck %s --check-prefixes=AVX512VL,AVX512DQVL
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+avx512vl | FileCheck %s --check-prefixes=AVX512VL,AVX512BWVL
;
; Just one 32-bit run to make sure we do reasonable things for i64 shifts.
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86-SSE

;
; Variable Shifts
;

define <2 x i32> @var_shift_v2i32(<2 x i32> %a, <2 x i32> %b) nounwind {
; SSE2-LABEL: var_shift_v2i32:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm1[2,3,3,3,4,5,6,7]
; SSE2-NEXT:    movdqa %xmm0, %xmm3
; SSE2-NEXT:    psrld %xmm2, %xmm3
; SSE2-NEXT:    pshuflw {{.*#+}} xmm4 = xmm1[0,1,1,1,4,5,6,7]
; SSE2-NEXT:    movdqa %xmm0, %xmm2
; SSE2-NEXT:    psrld %xmm4, %xmm2
; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0]
; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[2,3,2,3]
; SSE2-NEXT:    pshuflw {{.*#+}} xmm3 = xmm1[2,3,3,3,4,5,6,7]
; SSE2-NEXT:    movdqa %xmm0, %xmm4
; SSE2-NEXT:    psrld %xmm3, %xmm4
; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,1,1,1,4,5,6,7]
; SSE2-NEXT:    psrld %xmm1, %xmm0
; SSE2-NEXT:    punpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm4[1]
; SSE2-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,3],xmm0[0,3]
; SSE2-NEXT:    movaps %xmm2, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: var_shift_v2i32:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pshuflw {{.*#+}} xmm2 = xmm1[2,3,3,3,4,5,6,7]
; SSE41-NEXT:    movdqa %xmm0, %xmm3
; SSE41-NEXT:    psrld %xmm2, %xmm3
; SSE41-NEXT:    pshufd {{.*#+}} xmm2 = xmm1[2,3,2,3]
; SSE41-NEXT:    pshuflw {{.*#+}} xmm4 = xmm2[2,3,3,3,4,5,6,7]
; SSE41-NEXT:    movdqa %xmm0, %xmm5
; SSE41-NEXT:    psrld %xmm4, %xmm5
; SSE41-NEXT:    pblendw {{.*#+}} xmm5 = xmm3[0,1,2,3],xmm5[4,5,6,7]
; SSE41-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,1,1,1,4,5,6,7]
; SSE41-NEXT:    movdqa %xmm0, %xmm3
; SSE41-NEXT:    psrld %xmm1, %xmm3
; SSE41-NEXT:    pshuflw {{.*#+}} xmm1 = xmm2[0,1,1,1,4,5,6,7]
; SSE41-NEXT:    psrld %xmm1, %xmm0
; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm3[0,1,2,3],xmm0[4,5,6,7]
; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm5[2,3],xmm0[4,5],xmm5[6,7]
; SSE41-NEXT:    retq
;
; AVX1-LABEL: var_shift_v2i32:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpsrldq {{.*#+}} xmm2 = xmm1[12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; AVX1-NEXT:    vpsrld %xmm2, %xmm0, %xmm2
; AVX1-NEXT:    vpsrlq $32, %xmm1, %xmm3
; AVX1-NEXT:    vpsrld %xmm3, %xmm0, %xmm3
; AVX1-NEXT:    vpblendw {{.*#+}} xmm2 = xmm3[0,1,2,3],xmm2[4,5,6,7]
; AVX1-NEXT:    vpxor %xmm3, %xmm3, %xmm3
; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm3 = xmm1[2],xmm3[2],xmm1[3],xmm3[3]
; AVX1-NEXT:    vpsrld %xmm3, %xmm0, %xmm3
; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
; AVX1-NEXT:    vpsrld %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm3[4,5,6,7]
; AVX1-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm2[2,3],xmm0[4,5],xmm2[6,7]
; AVX1-NEXT:    retq
;
; AVX2-LABEL: var_shift_v2i32:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    retq
;
; XOPAVX1-LABEL: var_shift_v2i32:
; XOPAVX1:       # %bb.0:
; XOPAVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOPAVX1-NEXT:    vpsubd %xmm1, %xmm2, %xmm1
; XOPAVX1-NEXT:    vpshld %xmm1, %xmm0, %xmm0
; XOPAVX1-NEXT:    retq
;
; XOPAVX2-LABEL: var_shift_v2i32:
; XOPAVX2:       # %bb.0:
; XOPAVX2-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
; XOPAVX2-NEXT:    retq
;
; AVX512-LABEL: var_shift_v2i32:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: var_shift_v2i32:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: var_shift_v2i32:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    pshuflw {{.*#+}} xmm2 = xmm1[2,3,3,3,4,5,6,7]
; X86-SSE-NEXT:    movdqa %xmm0, %xmm3
; X86-SSE-NEXT:    psrld %xmm2, %xmm3
; X86-SSE-NEXT:    pshuflw {{.*#+}} xmm4 = xmm1[0,1,1,1,4,5,6,7]
; X86-SSE-NEXT:    movdqa %xmm0, %xmm2
; X86-SSE-NEXT:    psrld %xmm4, %xmm2
; X86-SSE-NEXT:    punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0]
; X86-SSE-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[2,3,2,3]
; X86-SSE-NEXT:    pshuflw {{.*#+}} xmm3 = xmm1[2,3,3,3,4,5,6,7]
; X86-SSE-NEXT:    movdqa %xmm0, %xmm4
; X86-SSE-NEXT:    psrld %xmm3, %xmm4
; X86-SSE-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,1,1,1,4,5,6,7]
; X86-SSE-NEXT:    psrld %xmm1, %xmm0
; X86-SSE-NEXT:    punpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm4[1]
; X86-SSE-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,3],xmm0[0,3]
; X86-SSE-NEXT:    movaps %xmm2, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <2 x i32> %a, %b
  ret <2 x i32> %shift
}

define <4 x i16> @var_shift_v4i16(<4 x i16> %a, <4 x i16> %b) nounwind {
; SSE2-LABEL: var_shift_v4i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    psllw $12, %xmm1
; SSE2-NEXT:    movdqa %xmm1, %xmm2
; SSE2-NEXT:    psraw $15, %xmm2
; SSE2-NEXT:    movdqa %xmm2, %xmm3
; SSE2-NEXT:    pandn %xmm0, %xmm3
; SSE2-NEXT:    psrlw $8, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    por %xmm3, %xmm0
; SSE2-NEXT:    paddw %xmm1, %xmm1
; SSE2-NEXT:    movdqa %xmm1, %xmm2
; SSE2-NEXT:    psraw $15, %xmm2
; SSE2-NEXT:    movdqa %xmm2, %xmm3
; SSE2-NEXT:    pandn %xmm0, %xmm3
; SSE2-NEXT:    psrlw $4, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    por %xmm3, %xmm0
; SSE2-NEXT:    paddw %xmm1, %xmm1
; SSE2-NEXT:    movdqa %xmm1, %xmm2
; SSE2-NEXT:    psraw $15, %xmm2
; SSE2-NEXT:    movdqa %xmm2, %xmm3
; SSE2-NEXT:    pandn %xmm0, %xmm3
; SSE2-NEXT:    psrlw $2, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    por %xmm3, %xmm0
; SSE2-NEXT:    paddw %xmm1, %xmm1
; SSE2-NEXT:    psraw $15, %xmm1
; SSE2-NEXT:    movdqa %xmm1, %xmm2
; SSE2-NEXT:    pandn %xmm0, %xmm2
; SSE2-NEXT:    psrlw $1, %xmm0
; SSE2-NEXT:    pand %xmm1, %xmm0
; SSE2-NEXT:    por %xmm2, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: var_shift_v4i16:
; SSE41:       # %bb.0:
; SSE41-NEXT:    movdqa %xmm0, %xmm2
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    psllw $12, %xmm0
; SSE41-NEXT:    psllw $4, %xmm1
; SSE41-NEXT:    por %xmm1, %xmm0
; SSE41-NEXT:    movdqa %xmm0, %xmm1
; SSE41-NEXT:    paddw %xmm0, %xmm1
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $8, %xmm3
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $4, %xmm3
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $2, %xmm3
; SSE41-NEXT:    paddw %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $1, %xmm3
; SSE41-NEXT:    paddw %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm0
; SSE41-NEXT:    retq
;
; AVX1-LABEL: var_shift_v4i16:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpsllw $12, %xmm1, %xmm2
; AVX1-NEXT:    vpsllw $4, %xmm1, %xmm1
; AVX1-NEXT:    vpor %xmm2, %xmm1, %xmm1
; AVX1-NEXT:    vpaddw %xmm1, %xmm1, %xmm2
; AVX1-NEXT:    vpsrlw $8, %xmm0, %xmm3
; AVX1-NEXT:    vpblendvb %xmm1, %xmm3, %xmm0, %xmm0
; AVX1-NEXT:    vpsrlw $4, %xmm0, %xmm1
; AVX1-NEXT:    vpblendvb %xmm2, %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    vpsrlw $2, %xmm0, %xmm1
; AVX1-NEXT:    vpaddw %xmm2, %xmm2, %xmm2
; AVX1-NEXT:    vpblendvb %xmm2, %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    vpsrlw $1, %xmm0, %xmm1
; AVX1-NEXT:    vpaddw %xmm2, %xmm2, %xmm2
; AVX1-NEXT:    vpblendvb %xmm2, %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    retq
;
; AVX2-LABEL: var_shift_v4i16:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; AVX2-NEXT:    vpsrlvd %ymm1, %ymm0, %ymm0
; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
; AVX2-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; XOP-LABEL: var_shift_v4i16:
; XOP:       # %bb.0:
; XOP-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOP-NEXT:    vpsubw %xmm1, %xmm2, %xmm1
; XOP-NEXT:    vpshlw %xmm1, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: var_shift_v4i16:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxwd {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX512DQ-NEXT:    vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; AVX512DQ-NEXT:    vpsrlvd %ymm1, %ymm0, %ymm0
; AVX512DQ-NEXT:    vpmovdw %zmm0, %ymm0
; AVX512DQ-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: var_shift_v4i16:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    # kill: def $xmm1 killed $xmm1 def $zmm1
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 def $zmm0
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $zmm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: var_shift_v4i16:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxwd {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX512DQVL-NEXT:    vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; AVX512DQVL-NEXT:    vpsrlvd %ymm1, %ymm0, %ymm0
; AVX512DQVL-NEXT:    vpmovdw %ymm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: var_shift_v4i16:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpsrlvw %xmm1, %xmm0, %xmm0
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: var_shift_v4i16:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psllw $12, %xmm1
; X86-SSE-NEXT:    movdqa %xmm1, %xmm2
; X86-SSE-NEXT:    psraw $15, %xmm2
; X86-SSE-NEXT:    movdqa %xmm2, %xmm3
; X86-SSE-NEXT:    pandn %xmm0, %xmm3
; X86-SSE-NEXT:    psrlw $8, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    por %xmm3, %xmm0
; X86-SSE-NEXT:    paddw %xmm1, %xmm1
; X86-SSE-NEXT:    movdqa %xmm1, %xmm2
; X86-SSE-NEXT:    psraw $15, %xmm2
; X86-SSE-NEXT:    movdqa %xmm2, %xmm3
; X86-SSE-NEXT:    pandn %xmm0, %xmm3
; X86-SSE-NEXT:    psrlw $4, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    por %xmm3, %xmm0
; X86-SSE-NEXT:    paddw %xmm1, %xmm1
; X86-SSE-NEXT:    movdqa %xmm1, %xmm2
; X86-SSE-NEXT:    psraw $15, %xmm2
; X86-SSE-NEXT:    movdqa %xmm2, %xmm3
; X86-SSE-NEXT:    pandn %xmm0, %xmm3
; X86-SSE-NEXT:    psrlw $2, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    por %xmm3, %xmm0
; X86-SSE-NEXT:    paddw %xmm1, %xmm1
; X86-SSE-NEXT:    psraw $15, %xmm1
; X86-SSE-NEXT:    movdqa %xmm1, %xmm2
; X86-SSE-NEXT:    pandn %xmm0, %xmm2
; X86-SSE-NEXT:    psrlw $1, %xmm0
; X86-SSE-NEXT:    pand %xmm1, %xmm0
; X86-SSE-NEXT:    por %xmm2, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <4 x i16> %a, %b
  ret <4 x i16> %shift
}

define <2 x i16> @var_shift_v2i16(<2 x i16> %a, <2 x i16> %b) nounwind {
; SSE2-LABEL: var_shift_v2i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    psllw $12, %xmm1
; SSE2-NEXT:    movdqa %xmm1, %xmm2
; SSE2-NEXT:    psraw $15, %xmm2
; SSE2-NEXT:    movdqa %xmm2, %xmm3
; SSE2-NEXT:    pandn %xmm0, %xmm3
; SSE2-NEXT:    psrlw $8, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    por %xmm3, %xmm0
; SSE2-NEXT:    paddw %xmm1, %xmm1
; SSE2-NEXT:    movdqa %xmm1, %xmm2
; SSE2-NEXT:    psraw $15, %xmm2
; SSE2-NEXT:    movdqa %xmm2, %xmm3
; SSE2-NEXT:    pandn %xmm0, %xmm3
; SSE2-NEXT:    psrlw $4, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    por %xmm3, %xmm0
; SSE2-NEXT:    paddw %xmm1, %xmm1
; SSE2-NEXT:    movdqa %xmm1, %xmm2
; SSE2-NEXT:    psraw $15, %xmm2
; SSE2-NEXT:    movdqa %xmm2, %xmm3
; SSE2-NEXT:    pandn %xmm0, %xmm3
; SSE2-NEXT:    psrlw $2, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    por %xmm3, %xmm0
; SSE2-NEXT:    paddw %xmm1, %xmm1
; SSE2-NEXT:    psraw $15, %xmm1
; SSE2-NEXT:    movdqa %xmm1, %xmm2
; SSE2-NEXT:    pandn %xmm0, %xmm2
; SSE2-NEXT:    psrlw $1, %xmm0
; SSE2-NEXT:    pand %xmm1, %xmm0
; SSE2-NEXT:    por %xmm2, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: var_shift_v2i16:
; SSE41:       # %bb.0:
; SSE41-NEXT:    movdqa %xmm0, %xmm2
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    psllw $12, %xmm0
; SSE41-NEXT:    psllw $4, %xmm1
; SSE41-NEXT:    por %xmm1, %xmm0
; SSE41-NEXT:    movdqa %xmm0, %xmm1
; SSE41-NEXT:    paddw %xmm0, %xmm1
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $8, %xmm3
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $4, %xmm3
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $2, %xmm3
; SSE41-NEXT:    paddw %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $1, %xmm3
; SSE41-NEXT:    paddw %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm0
; SSE41-NEXT:    retq
;
; AVX1-LABEL: var_shift_v2i16:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpsllw $12, %xmm1, %xmm2
; AVX1-NEXT:    vpsllw $4, %xmm1, %xmm1
; AVX1-NEXT:    vpor %xmm2, %xmm1, %xmm1
; AVX1-NEXT:    vpaddw %xmm1, %xmm1, %xmm2
; AVX1-NEXT:    vpsrlw $8, %xmm0, %xmm3
; AVX1-NEXT:    vpblendvb %xmm1, %xmm3, %xmm0, %xmm0
; AVX1-NEXT:    vpsrlw $4, %xmm0, %xmm1
; AVX1-NEXT:    vpblendvb %xmm2, %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    vpsrlw $2, %xmm0, %xmm1
; AVX1-NEXT:    vpaddw %xmm2, %xmm2, %xmm2
; AVX1-NEXT:    vpblendvb %xmm2, %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    vpsrlw $1, %xmm0, %xmm1
; AVX1-NEXT:    vpaddw %xmm2, %xmm2, %xmm2
; AVX1-NEXT:    vpblendvb %xmm2, %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    retq
;
; AVX2-LABEL: var_shift_v2i16:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; AVX2-NEXT:    vpsrlvd %ymm1, %ymm0, %ymm0
; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
; AVX2-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; XOP-LABEL: var_shift_v2i16:
; XOP:       # %bb.0:
; XOP-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOP-NEXT:    vpsubw %xmm1, %xmm2, %xmm1
; XOP-NEXT:    vpshlw %xmm1, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: var_shift_v2i16:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxwd {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX512DQ-NEXT:    vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; AVX512DQ-NEXT:    vpsrlvd %ymm1, %ymm0, %ymm0
; AVX512DQ-NEXT:    vpmovdw %zmm0, %ymm0
; AVX512DQ-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: var_shift_v2i16:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    # kill: def $xmm1 killed $xmm1 def $zmm1
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 def $zmm0
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $zmm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: var_shift_v2i16:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxwd {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX512DQVL-NEXT:    vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; AVX512DQVL-NEXT:    vpsrlvd %ymm1, %ymm0, %ymm0
; AVX512DQVL-NEXT:    vpmovdw %ymm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: var_shift_v2i16:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpsrlvw %xmm1, %xmm0, %xmm0
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: var_shift_v2i16:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psllw $12, %xmm1
; X86-SSE-NEXT:    movdqa %xmm1, %xmm2
; X86-SSE-NEXT:    psraw $15, %xmm2
; X86-SSE-NEXT:    movdqa %xmm2, %xmm3
; X86-SSE-NEXT:    pandn %xmm0, %xmm3
; X86-SSE-NEXT:    psrlw $8, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    por %xmm3, %xmm0
; X86-SSE-NEXT:    paddw %xmm1, %xmm1
; X86-SSE-NEXT:    movdqa %xmm1, %xmm2
; X86-SSE-NEXT:    psraw $15, %xmm2
; X86-SSE-NEXT:    movdqa %xmm2, %xmm3
; X86-SSE-NEXT:    pandn %xmm0, %xmm3
; X86-SSE-NEXT:    psrlw $4, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    por %xmm3, %xmm0
; X86-SSE-NEXT:    paddw %xmm1, %xmm1
; X86-SSE-NEXT:    movdqa %xmm1, %xmm2
; X86-SSE-NEXT:    psraw $15, %xmm2
; X86-SSE-NEXT:    movdqa %xmm2, %xmm3
; X86-SSE-NEXT:    pandn %xmm0, %xmm3
; X86-SSE-NEXT:    psrlw $2, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    por %xmm3, %xmm0
; X86-SSE-NEXT:    paddw %xmm1, %xmm1
; X86-SSE-NEXT:    psraw $15, %xmm1
; X86-SSE-NEXT:    movdqa %xmm1, %xmm2
; X86-SSE-NEXT:    pandn %xmm0, %xmm2
; X86-SSE-NEXT:    psrlw $1, %xmm0
; X86-SSE-NEXT:    pand %xmm1, %xmm0
; X86-SSE-NEXT:    por %xmm2, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <2 x i16> %a, %b
  ret <2 x i16> %shift
}

define <8 x i8> @var_shift_v8i8(<8 x i8> %a, <8 x i8> %b) nounwind {
; SSE2-LABEL: var_shift_v8i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    psllw $5, %xmm1
; SSE2-NEXT:    pxor %xmm2, %xmm2
; SSE2-NEXT:    pxor %xmm3, %xmm3
; SSE2-NEXT:    pcmpgtb %xmm1, %xmm3
; SSE2-NEXT:    movdqa %xmm3, %xmm4
; SSE2-NEXT:    pandn %xmm0, %xmm4
; SSE2-NEXT:    psrlw $4, %xmm0
; SSE2-NEXT:    pand %xmm3, %xmm0
; SSE2-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm4, %xmm0
; SSE2-NEXT:    paddb %xmm1, %xmm1
; SSE2-NEXT:    pxor %xmm3, %xmm3
; SSE2-NEXT:    pcmpgtb %xmm1, %xmm3
; SSE2-NEXT:    movdqa %xmm3, %xmm4
; SSE2-NEXT:    pandn %xmm0, %xmm4
; SSE2-NEXT:    psrlw $2, %xmm0
; SSE2-NEXT:    pand %xmm3, %xmm0
; SSE2-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm4, %xmm0
; SSE2-NEXT:    paddb %xmm1, %xmm1
; SSE2-NEXT:    pcmpgtb %xmm1, %xmm2
; SSE2-NEXT:    movdqa %xmm2, %xmm1
; SSE2-NEXT:    pandn %xmm0, %xmm1
; SSE2-NEXT:    psrlw $1, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: var_shift_v8i8:
; SSE41:       # %bb.0:
; SSE41-NEXT:    movdqa %xmm0, %xmm2
; SSE41-NEXT:    psllw $5, %xmm1
; SSE41-NEXT:    movdqa %xmm0, %xmm3
; SSE41-NEXT:    psrlw $4, %xmm3
; SSE41-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $2, %xmm3
; SSE41-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
; SSE41-NEXT:    paddb %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $1, %xmm3
; SSE41-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
; SSE41-NEXT:    paddb %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm0
; SSE41-NEXT:    retq
;
; AVX-LABEL: var_shift_v8i8:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsllw $5, %xmm1, %xmm1
; AVX-NEXT:    vpsrlw $4, %xmm0, %xmm2
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
; AVX-NEXT:    vpblendvb %xmm1, %xmm2, %xmm0, %xmm0
; AVX-NEXT:    vpsrlw $2, %xmm0, %xmm2
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
; AVX-NEXT:    vpaddb %xmm1, %xmm1, %xmm1
; AVX-NEXT:    vpblendvb %xmm1, %xmm2, %xmm0, %xmm0
; AVX-NEXT:    vpsrlw $1, %xmm0, %xmm2
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
; AVX-NEXT:    vpaddb %xmm1, %xmm1, %xmm1
; AVX-NEXT:    vpblendvb %xmm1, %xmm2, %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: var_shift_v8i8:
; XOP:       # %bb.0:
; XOP-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOP-NEXT:    vpsubb %xmm1, %xmm2, %xmm1
; XOP-NEXT:    vpshlb %xmm1, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: var_shift_v8i8:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero,xmm1[8],zero,zero,zero,xmm1[9],zero,zero,zero,xmm1[10],zero,zero,zero,xmm1[11],zero,zero,zero,xmm1[12],zero,zero,zero,xmm1[13],zero,zero,zero,xmm1[14],zero,zero,zero,xmm1[15],zero,zero,zero
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQ-NEXT:    vpsrlvd %zmm1, %zmm0, %zmm0
; AVX512DQ-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: var_shift_v8i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    vpmovwb %zmm0, %ymm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: var_shift_v8i8:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero,xmm1[8],zero,zero,zero,xmm1[9],zero,zero,zero,xmm1[10],zero,zero,zero,xmm1[11],zero,zero,zero,xmm1[12],zero,zero,zero,xmm1[13],zero,zero,zero,xmm1[14],zero,zero,zero,xmm1[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpsrlvd %zmm1, %zmm0, %zmm0
; AVX512DQVL-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: var_shift_v8i8:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BWVL-NEXT:    vpsrlvw %ymm1, %ymm0, %ymm0
; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
; AVX512BWVL-NEXT:    vzeroupper
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: var_shift_v8i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psllw $5, %xmm1
; X86-SSE-NEXT:    pxor %xmm2, %xmm2
; X86-SSE-NEXT:    pxor %xmm3, %xmm3
; X86-SSE-NEXT:    pcmpgtb %xmm1, %xmm3
; X86-SSE-NEXT:    movdqa %xmm3, %xmm4
; X86-SSE-NEXT:    pandn %xmm0, %xmm4
; X86-SSE-NEXT:    psrlw $4, %xmm0
; X86-SSE-NEXT:    pand %xmm3, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm4, %xmm0
; X86-SSE-NEXT:    paddb %xmm1, %xmm1
; X86-SSE-NEXT:    pxor %xmm3, %xmm3
; X86-SSE-NEXT:    pcmpgtb %xmm1, %xmm3
; X86-SSE-NEXT:    movdqa %xmm3, %xmm4
; X86-SSE-NEXT:    pandn %xmm0, %xmm4
; X86-SSE-NEXT:    psrlw $2, %xmm0
; X86-SSE-NEXT:    pand %xmm3, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm4, %xmm0
; X86-SSE-NEXT:    paddb %xmm1, %xmm1
; X86-SSE-NEXT:    pcmpgtb %xmm1, %xmm2
; X86-SSE-NEXT:    movdqa %xmm2, %xmm1
; X86-SSE-NEXT:    pandn %xmm0, %xmm1
; X86-SSE-NEXT:    psrlw $1, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <8 x i8> %a, %b
  ret <8 x i8> %shift
}

define <4 x i8> @var_shift_v4i8(<4 x i8> %a, <4 x i8> %b) nounwind {
; SSE2-LABEL: var_shift_v4i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    psllw $5, %xmm1
; SSE2-NEXT:    pxor %xmm2, %xmm2
; SSE2-NEXT:    pxor %xmm3, %xmm3
; SSE2-NEXT:    pcmpgtb %xmm1, %xmm3
; SSE2-NEXT:    movdqa %xmm3, %xmm4
; SSE2-NEXT:    pandn %xmm0, %xmm4
; SSE2-NEXT:    psrlw $4, %xmm0
; SSE2-NEXT:    pand %xmm3, %xmm0
; SSE2-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm4, %xmm0
; SSE2-NEXT:    paddb %xmm1, %xmm1
; SSE2-NEXT:    pxor %xmm3, %xmm3
; SSE2-NEXT:    pcmpgtb %xmm1, %xmm3
; SSE2-NEXT:    movdqa %xmm3, %xmm4
; SSE2-NEXT:    pandn %xmm0, %xmm4
; SSE2-NEXT:    psrlw $2, %xmm0
; SSE2-NEXT:    pand %xmm3, %xmm0
; SSE2-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm4, %xmm0
; SSE2-NEXT:    paddb %xmm1, %xmm1
; SSE2-NEXT:    pcmpgtb %xmm1, %xmm2
; SSE2-NEXT:    movdqa %xmm2, %xmm1
; SSE2-NEXT:    pandn %xmm0, %xmm1
; SSE2-NEXT:    psrlw $1, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: var_shift_v4i8:
; SSE41:       # %bb.0:
; SSE41-NEXT:    movdqa %xmm0, %xmm2
; SSE41-NEXT:    psllw $5, %xmm1
; SSE41-NEXT:    movdqa %xmm0, %xmm3
; SSE41-NEXT:    psrlw $4, %xmm3
; SSE41-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $2, %xmm3
; SSE41-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
; SSE41-NEXT:    paddb %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $1, %xmm3
; SSE41-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
; SSE41-NEXT:    paddb %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm0
; SSE41-NEXT:    retq
;
; AVX-LABEL: var_shift_v4i8:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsllw $5, %xmm1, %xmm1
; AVX-NEXT:    vpsrlw $4, %xmm0, %xmm2
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
; AVX-NEXT:    vpblendvb %xmm1, %xmm2, %xmm0, %xmm0
; AVX-NEXT:    vpsrlw $2, %xmm0, %xmm2
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
; AVX-NEXT:    vpaddb %xmm1, %xmm1, %xmm1
; AVX-NEXT:    vpblendvb %xmm1, %xmm2, %xmm0, %xmm0
; AVX-NEXT:    vpsrlw $1, %xmm0, %xmm2
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
; AVX-NEXT:    vpaddb %xmm1, %xmm1, %xmm1
; AVX-NEXT:    vpblendvb %xmm1, %xmm2, %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: var_shift_v4i8:
; XOP:       # %bb.0:
; XOP-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOP-NEXT:    vpsubb %xmm1, %xmm2, %xmm1
; XOP-NEXT:    vpshlb %xmm1, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: var_shift_v4i8:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero,xmm1[8],zero,zero,zero,xmm1[9],zero,zero,zero,xmm1[10],zero,zero,zero,xmm1[11],zero,zero,zero,xmm1[12],zero,zero,zero,xmm1[13],zero,zero,zero,xmm1[14],zero,zero,zero,xmm1[15],zero,zero,zero
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQ-NEXT:    vpsrlvd %zmm1, %zmm0, %zmm0
; AVX512DQ-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: var_shift_v4i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    vpmovwb %zmm0, %ymm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: var_shift_v4i8:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero,xmm1[8],zero,zero,zero,xmm1[9],zero,zero,zero,xmm1[10],zero,zero,zero,xmm1[11],zero,zero,zero,xmm1[12],zero,zero,zero,xmm1[13],zero,zero,zero,xmm1[14],zero,zero,zero,xmm1[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpsrlvd %zmm1, %zmm0, %zmm0
; AVX512DQVL-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: var_shift_v4i8:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BWVL-NEXT:    vpsrlvw %ymm1, %ymm0, %ymm0
; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
; AVX512BWVL-NEXT:    vzeroupper
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: var_shift_v4i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psllw $5, %xmm1
; X86-SSE-NEXT:    pxor %xmm2, %xmm2
; X86-SSE-NEXT:    pxor %xmm3, %xmm3
; X86-SSE-NEXT:    pcmpgtb %xmm1, %xmm3
; X86-SSE-NEXT:    movdqa %xmm3, %xmm4
; X86-SSE-NEXT:    pandn %xmm0, %xmm4
; X86-SSE-NEXT:    psrlw $4, %xmm0
; X86-SSE-NEXT:    pand %xmm3, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm4, %xmm0
; X86-SSE-NEXT:    paddb %xmm1, %xmm1
; X86-SSE-NEXT:    pxor %xmm3, %xmm3
; X86-SSE-NEXT:    pcmpgtb %xmm1, %xmm3
; X86-SSE-NEXT:    movdqa %xmm3, %xmm4
; X86-SSE-NEXT:    pandn %xmm0, %xmm4
; X86-SSE-NEXT:    psrlw $2, %xmm0
; X86-SSE-NEXT:    pand %xmm3, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm4, %xmm0
; X86-SSE-NEXT:    paddb %xmm1, %xmm1
; X86-SSE-NEXT:    pcmpgtb %xmm1, %xmm2
; X86-SSE-NEXT:    movdqa %xmm2, %xmm1
; X86-SSE-NEXT:    pandn %xmm0, %xmm1
; X86-SSE-NEXT:    psrlw $1, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <4 x i8> %a, %b
  ret <4 x i8> %shift
}

define <2 x i8> @var_shift_v2i8(<2 x i8> %a, <2 x i8> %b) nounwind {
; SSE2-LABEL: var_shift_v2i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    psllw $5, %xmm1
; SSE2-NEXT:    pxor %xmm2, %xmm2
; SSE2-NEXT:    pxor %xmm3, %xmm3
; SSE2-NEXT:    pcmpgtb %xmm1, %xmm3
; SSE2-NEXT:    movdqa %xmm3, %xmm4
; SSE2-NEXT:    pandn %xmm0, %xmm4
; SSE2-NEXT:    psrlw $4, %xmm0
; SSE2-NEXT:    pand %xmm3, %xmm0
; SSE2-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm4, %xmm0
; SSE2-NEXT:    paddb %xmm1, %xmm1
; SSE2-NEXT:    pxor %xmm3, %xmm3
; SSE2-NEXT:    pcmpgtb %xmm1, %xmm3
; SSE2-NEXT:    movdqa %xmm3, %xmm4
; SSE2-NEXT:    pandn %xmm0, %xmm4
; SSE2-NEXT:    psrlw $2, %xmm0
; SSE2-NEXT:    pand %xmm3, %xmm0
; SSE2-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm4, %xmm0
; SSE2-NEXT:    paddb %xmm1, %xmm1
; SSE2-NEXT:    pcmpgtb %xmm1, %xmm2
; SSE2-NEXT:    movdqa %xmm2, %xmm1
; SSE2-NEXT:    pandn %xmm0, %xmm1
; SSE2-NEXT:    psrlw $1, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: var_shift_v2i8:
; SSE41:       # %bb.0:
; SSE41-NEXT:    movdqa %xmm0, %xmm2
; SSE41-NEXT:    psllw $5, %xmm1
; SSE41-NEXT:    movdqa %xmm0, %xmm3
; SSE41-NEXT:    psrlw $4, %xmm3
; SSE41-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $2, %xmm3
; SSE41-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
; SSE41-NEXT:    paddb %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm3
; SSE41-NEXT:    psrlw $1, %xmm3
; SSE41-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
; SSE41-NEXT:    paddb %xmm1, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    pblendvb %xmm0, %xmm3, %xmm2
; SSE41-NEXT:    movdqa %xmm2, %xmm0
; SSE41-NEXT:    retq
;
; AVX-LABEL: var_shift_v2i8:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsllw $5, %xmm1, %xmm1
; AVX-NEXT:    vpsrlw $4, %xmm0, %xmm2
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
; AVX-NEXT:    vpblendvb %xmm1, %xmm2, %xmm0, %xmm0
; AVX-NEXT:    vpsrlw $2, %xmm0, %xmm2
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
; AVX-NEXT:    vpaddb %xmm1, %xmm1, %xmm1
; AVX-NEXT:    vpblendvb %xmm1, %xmm2, %xmm0, %xmm0
; AVX-NEXT:    vpsrlw $1, %xmm0, %xmm2
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
; AVX-NEXT:    vpaddb %xmm1, %xmm1, %xmm1
; AVX-NEXT:    vpblendvb %xmm1, %xmm2, %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: var_shift_v2i8:
; XOP:       # %bb.0:
; XOP-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOP-NEXT:    vpsubb %xmm1, %xmm2, %xmm1
; XOP-NEXT:    vpshlb %xmm1, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: var_shift_v2i8:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero,xmm1[8],zero,zero,zero,xmm1[9],zero,zero,zero,xmm1[10],zero,zero,zero,xmm1[11],zero,zero,zero,xmm1[12],zero,zero,zero,xmm1[13],zero,zero,zero,xmm1[14],zero,zero,zero,xmm1[15],zero,zero,zero
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQ-NEXT:    vpsrlvd %zmm1, %zmm0, %zmm0
; AVX512DQ-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: var_shift_v2i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    vpmovwb %zmm0, %ymm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: var_shift_v2i8:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero,xmm1[8],zero,zero,zero,xmm1[9],zero,zero,zero,xmm1[10],zero,zero,zero,xmm1[11],zero,zero,zero,xmm1[12],zero,zero,zero,xmm1[13],zero,zero,zero,xmm1[14],zero,zero,zero,xmm1[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpsrlvd %zmm1, %zmm0, %zmm0
; AVX512DQVL-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: var_shift_v2i8:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BWVL-NEXT:    vpsrlvw %ymm1, %ymm0, %ymm0
; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
; AVX512BWVL-NEXT:    vzeroupper
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: var_shift_v2i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psllw $5, %xmm1
; X86-SSE-NEXT:    pxor %xmm2, %xmm2
; X86-SSE-NEXT:    pxor %xmm3, %xmm3
; X86-SSE-NEXT:    pcmpgtb %xmm1, %xmm3
; X86-SSE-NEXT:    movdqa %xmm3, %xmm4
; X86-SSE-NEXT:    pandn %xmm0, %xmm4
; X86-SSE-NEXT:    psrlw $4, %xmm0
; X86-SSE-NEXT:    pand %xmm3, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm4, %xmm0
; X86-SSE-NEXT:    paddb %xmm1, %xmm1
; X86-SSE-NEXT:    pxor %xmm3, %xmm3
; X86-SSE-NEXT:    pcmpgtb %xmm1, %xmm3
; X86-SSE-NEXT:    movdqa %xmm3, %xmm4
; X86-SSE-NEXT:    pandn %xmm0, %xmm4
; X86-SSE-NEXT:    psrlw $2, %xmm0
; X86-SSE-NEXT:    pand %xmm3, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm4, %xmm0
; X86-SSE-NEXT:    paddb %xmm1, %xmm1
; X86-SSE-NEXT:    pcmpgtb %xmm1, %xmm2
; X86-SSE-NEXT:    movdqa %xmm2, %xmm1
; X86-SSE-NEXT:    pandn %xmm0, %xmm1
; X86-SSE-NEXT:    psrlw $1, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <2 x i8> %a, %b
  ret <2 x i8> %shift
}

;
; Uniform Variable Shifts
;

define <2 x i32> @splatvar_shift_v2i32(<2 x i32> %a, <2 x i32> %b) nounwind {
; SSE2-LABEL: splatvar_shift_v2i32:
; SSE2:       # %bb.0:
; SSE2-NEXT:    xorps %xmm2, %xmm2
; SSE2-NEXT:    movss {{.*#+}} xmm2 = xmm1[0],xmm2[1,2,3]
; SSE2-NEXT:    psrld %xmm2, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: splatvar_shift_v2i32:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
; SSE41-NEXT:    psrld %xmm1, %xmm0
; SSE41-NEXT:    retq
;
; AVX-LABEL: splatvar_shift_v2i32:
; AVX:       # %bb.0:
; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
; AVX-NEXT:    vpsrld %xmm1, %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: splatvar_shift_v2i32:
; XOP:       # %bb.0:
; XOP-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
; XOP-NEXT:    vpsrld %xmm1, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512-LABEL: splatvar_shift_v2i32:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
; AVX512-NEXT:    vpsrld %xmm1, %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: splatvar_shift_v2i32:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
; AVX512VL-NEXT:    vpsrld %xmm1, %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: splatvar_shift_v2i32:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    xorps %xmm2, %xmm2
; X86-SSE-NEXT:    movss {{.*#+}} xmm2 = xmm1[0],xmm2[1,2,3]
; X86-SSE-NEXT:    psrld %xmm2, %xmm0
; X86-SSE-NEXT:    retl
  %splat = shufflevector <2 x i32> %b, <2 x i32> undef, <2 x i32> zeroinitializer
  %shift = lshr <2 x i32> %a, %splat
  ret <2 x i32> %shift
}

define <4 x i16> @splatvar_shift_v4i16(<4 x i16> %a, <4 x i16> %b) nounwind {
; SSE2-LABEL: splatvar_shift_v4i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1]
; SSE2-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; SSE2-NEXT:    psrlw %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: splatvar_shift_v4i16:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; SSE41-NEXT:    psrlw %xmm1, %xmm0
; SSE41-NEXT:    retq
;
; AVX-LABEL: splatvar_shift_v4i16:
; AVX:       # %bb.0:
; AVX-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; AVX-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: splatvar_shift_v4i16:
; XOP:       # %bb.0:
; XOP-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; XOP-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512-LABEL: splatvar_shift_v4i16:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; AVX512-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: splatvar_shift_v4i16:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; AVX512VL-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: splatvar_shift_v4i16:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1]
; X86-SSE-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; X86-SSE-NEXT:    psrlw %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %splat = shufflevector <4 x i16> %b, <4 x i16> undef, <4 x i32> zeroinitializer
  %shift = lshr <4 x i16> %a, %splat
  ret <4 x i16> %shift
}

define <2 x i16> @splatvar_shift_v2i16(<2 x i16> %a, <2 x i16> %b) nounwind {
; SSE2-LABEL: splatvar_shift_v2i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1]
; SSE2-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; SSE2-NEXT:    psrlw %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: splatvar_shift_v2i16:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; SSE41-NEXT:    psrlw %xmm1, %xmm0
; SSE41-NEXT:    retq
;
; AVX-LABEL: splatvar_shift_v2i16:
; AVX:       # %bb.0:
; AVX-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; AVX-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: splatvar_shift_v2i16:
; XOP:       # %bb.0:
; XOP-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; XOP-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512-LABEL: splatvar_shift_v2i16:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; AVX512-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: splatvar_shift_v2i16:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
; AVX512VL-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: splatvar_shift_v2i16:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1]
; X86-SSE-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; X86-SSE-NEXT:    psrlw %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %splat = shufflevector <2 x i16> %b, <2 x i16> undef, <2 x i32> zeroinitializer
  %shift = lshr <2 x i16> %a, %splat
  ret <2 x i16> %shift
}

define <8 x i8> @splatvar_shift_v8i8(<8 x i8> %a, <8 x i8> %b) nounwind {
; SSE2-LABEL: splatvar_shift_v8i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0]
; SSE2-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; SSE2-NEXT:    psrlw %xmm1, %xmm0
; SSE2-NEXT:    pcmpeqd %xmm2, %xmm2
; SSE2-NEXT:    psrlw %xmm1, %xmm2
; SSE2-NEXT:    psrlw $8, %xmm2
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm2[0,0,0,0,4,5,6,7]
; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,0,0]
; SSE2-NEXT:    pand %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: splatvar_shift_v8i8:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; SSE41-NEXT:    psrlw %xmm1, %xmm0
; SSE41-NEXT:    pcmpeqd %xmm2, %xmm2
; SSE41-NEXT:    psrlw %xmm1, %xmm2
; SSE41-NEXT:    pshufb {{.*#+}} xmm2 = xmm2[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
; SSE41-NEXT:    pand %xmm2, %xmm0
; SSE41-NEXT:    retq
;
; AVX1-LABEL: splatvar_shift_v8i8:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX1-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    vpcmpeqd %xmm2, %xmm2, %xmm2
; AVX1-NEXT:    vpsrlw %xmm1, %xmm2, %xmm1
; AVX1-NEXT:    vpshufb {{.*#+}} xmm1 = xmm1[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
; AVX1-NEXT:    vpand %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    retq
;
; AVX2-LABEL: splatvar_shift_v8i8:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX2-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    vpcmpeqd %xmm2, %xmm2, %xmm2
; AVX2-NEXT:    vpsrlw %xmm1, %xmm2, %xmm1
; AVX2-NEXT:    vpsrlw $8, %xmm1, %xmm1
; AVX2-NEXT:    vpbroadcastb %xmm1, %xmm1
; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    retq
;
; XOPAVX1-LABEL: splatvar_shift_v8i8:
; XOPAVX1:       # %bb.0:
; XOPAVX1-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; XOPAVX1-NEXT:    vpshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7]
; XOPAVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOPAVX1-NEXT:    vpsubb %xmm1, %xmm2, %xmm1
; XOPAVX1-NEXT:    vpshlb %xmm1, %xmm0, %xmm0
; XOPAVX1-NEXT:    retq
;
; XOPAVX2-LABEL: splatvar_shift_v8i8:
; XOPAVX2:       # %bb.0:
; XOPAVX2-NEXT:    vpbroadcastb %xmm1, %xmm1
; XOPAVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOPAVX2-NEXT:    vpsubb %xmm1, %xmm2, %xmm1
; XOPAVX2-NEXT:    vpshlb %xmm1, %xmm0, %xmm0
; XOPAVX2-NEXT:    retq
;
; AVX512DQ-LABEL: splatvar_shift_v8i8:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQ-NEXT:    vpsrld %xmm1, %zmm0, %zmm0
; AVX512DQ-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: splatvar_shift_v8i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BW-NEXT:    vpsrlw %xmm1, %ymm0, %ymm0
; AVX512BW-NEXT:    vpmovwb %zmm0, %ymm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: splatvar_shift_v8i8:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpsrld %xmm1, %zmm0, %zmm0
; AVX512DQVL-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: splatvar_shift_v8i8:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BWVL-NEXT:    vpsrlw %xmm1, %ymm0, %ymm0
; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
; AVX512BWVL-NEXT:    vzeroupper
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: splatvar_shift_v8i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0]
; X86-SSE-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; X86-SSE-NEXT:    psrlw %xmm1, %xmm0
; X86-SSE-NEXT:    pcmpeqd %xmm2, %xmm2
; X86-SSE-NEXT:    psrlw %xmm1, %xmm2
; X86-SSE-NEXT:    psrlw $8, %xmm2
; X86-SSE-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; X86-SSE-NEXT:    pshuflw {{.*#+}} xmm1 = xmm2[0,0,0,0,4,5,6,7]
; X86-SSE-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,0,0]
; X86-SSE-NEXT:    pand %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %splat = shufflevector <8 x i8> %b, <8 x i8> undef, <8 x i32> zeroinitializer
  %shift = lshr <8 x i8> %a, %splat
  ret <8 x i8> %shift
}

define <4 x i8> @splatvar_shift_v4i8(<4 x i8> %a, <4 x i8> %b) nounwind {
; SSE2-LABEL: splatvar_shift_v4i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0]
; SSE2-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; SSE2-NEXT:    psrlw %xmm1, %xmm0
; SSE2-NEXT:    pcmpeqd %xmm2, %xmm2
; SSE2-NEXT:    psrlw %xmm1, %xmm2
; SSE2-NEXT:    psrlw $8, %xmm2
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm2[0,0,0,0,4,5,6,7]
; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,0,0]
; SSE2-NEXT:    pand %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: splatvar_shift_v4i8:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; SSE41-NEXT:    psrlw %xmm1, %xmm0
; SSE41-NEXT:    pcmpeqd %xmm2, %xmm2
; SSE41-NEXT:    psrlw %xmm1, %xmm2
; SSE41-NEXT:    pshufb {{.*#+}} xmm2 = xmm2[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
; SSE41-NEXT:    pand %xmm2, %xmm0
; SSE41-NEXT:    retq
;
; AVX1-LABEL: splatvar_shift_v4i8:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX1-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    vpcmpeqd %xmm2, %xmm2, %xmm2
; AVX1-NEXT:    vpsrlw %xmm1, %xmm2, %xmm1
; AVX1-NEXT:    vpshufb {{.*#+}} xmm1 = xmm1[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
; AVX1-NEXT:    vpand %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    retq
;
; AVX2-LABEL: splatvar_shift_v4i8:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX2-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    vpcmpeqd %xmm2, %xmm2, %xmm2
; AVX2-NEXT:    vpsrlw %xmm1, %xmm2, %xmm1
; AVX2-NEXT:    vpsrlw $8, %xmm1, %xmm1
; AVX2-NEXT:    vpbroadcastb %xmm1, %xmm1
; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    retq
;
; XOPAVX1-LABEL: splatvar_shift_v4i8:
; XOPAVX1:       # %bb.0:
; XOPAVX1-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; XOPAVX1-NEXT:    vpshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7]
; XOPAVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOPAVX1-NEXT:    vpsubb %xmm1, %xmm2, %xmm1
; XOPAVX1-NEXT:    vpshlb %xmm1, %xmm0, %xmm0
; XOPAVX1-NEXT:    retq
;
; XOPAVX2-LABEL: splatvar_shift_v4i8:
; XOPAVX2:       # %bb.0:
; XOPAVX2-NEXT:    vpbroadcastb %xmm1, %xmm1
; XOPAVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOPAVX2-NEXT:    vpsubb %xmm1, %xmm2, %xmm1
; XOPAVX2-NEXT:    vpshlb %xmm1, %xmm0, %xmm0
; XOPAVX2-NEXT:    retq
;
; AVX512DQ-LABEL: splatvar_shift_v4i8:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQ-NEXT:    vpsrld %xmm1, %zmm0, %zmm0
; AVX512DQ-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: splatvar_shift_v4i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BW-NEXT:    vpsrlw %xmm1, %ymm0, %ymm0
; AVX512BW-NEXT:    vpmovwb %zmm0, %ymm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: splatvar_shift_v4i8:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpsrld %xmm1, %zmm0, %zmm0
; AVX512DQVL-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: splatvar_shift_v4i8:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BWVL-NEXT:    vpsrlw %xmm1, %ymm0, %ymm0
; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
; AVX512BWVL-NEXT:    vzeroupper
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: splatvar_shift_v4i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0]
; X86-SSE-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; X86-SSE-NEXT:    psrlw %xmm1, %xmm0
; X86-SSE-NEXT:    pcmpeqd %xmm2, %xmm2
; X86-SSE-NEXT:    psrlw %xmm1, %xmm2
; X86-SSE-NEXT:    psrlw $8, %xmm2
; X86-SSE-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; X86-SSE-NEXT:    pshuflw {{.*#+}} xmm1 = xmm2[0,0,0,0,4,5,6,7]
; X86-SSE-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,0,0]
; X86-SSE-NEXT:    pand %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %splat = shufflevector <4 x i8> %b, <4 x i8> undef, <4 x i32> zeroinitializer
  %shift = lshr <4 x i8> %a, %splat
  ret <4 x i8> %shift
}

define <2 x i8> @splatvar_shift_v2i8(<2 x i8> %a, <2 x i8> %b) nounwind {
; SSE2-LABEL: splatvar_shift_v2i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0]
; SSE2-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; SSE2-NEXT:    psrlw %xmm1, %xmm0
; SSE2-NEXT:    pcmpeqd %xmm2, %xmm2
; SSE2-NEXT:    psrlw %xmm1, %xmm2
; SSE2-NEXT:    psrlw $8, %xmm2
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm2[0,0,0,0,4,5,6,7]
; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,0,0]
; SSE2-NEXT:    pand %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: splatvar_shift_v2i8:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; SSE41-NEXT:    psrlw %xmm1, %xmm0
; SSE41-NEXT:    pcmpeqd %xmm2, %xmm2
; SSE41-NEXT:    psrlw %xmm1, %xmm2
; SSE41-NEXT:    pshufb {{.*#+}} xmm2 = xmm2[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
; SSE41-NEXT:    pand %xmm2, %xmm0
; SSE41-NEXT:    retq
;
; AVX1-LABEL: splatvar_shift_v2i8:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX1-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    vpcmpeqd %xmm2, %xmm2, %xmm2
; AVX1-NEXT:    vpsrlw %xmm1, %xmm2, %xmm1
; AVX1-NEXT:    vpshufb {{.*#+}} xmm1 = xmm1[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
; AVX1-NEXT:    vpand %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    retq
;
; AVX2-LABEL: splatvar_shift_v2i8:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX2-NEXT:    vpsrlw %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    vpcmpeqd %xmm2, %xmm2, %xmm2
; AVX2-NEXT:    vpsrlw %xmm1, %xmm2, %xmm1
; AVX2-NEXT:    vpsrlw $8, %xmm1, %xmm1
; AVX2-NEXT:    vpbroadcastb %xmm1, %xmm1
; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    retq
;
; XOP-LABEL: splatvar_shift_v2i8:
; XOP:       # %bb.0:
; XOP-NEXT:    insertq {{.*#+}} xmm1 = xmm1[0,0,2,3,4,5,6,7,u,u,u,u,u,u,u,u]
; XOP-NEXT:    vpxor %xmm2, %xmm2, %xmm2
; XOP-NEXT:    vpsubb %xmm1, %xmm2, %xmm1
; XOP-NEXT:    vpshlb %xmm1, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: splatvar_shift_v2i8:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQ-NEXT:    vpsrld %xmm1, %zmm0, %zmm0
; AVX512DQ-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: splatvar_shift_v2i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BW-NEXT:    vpsrlw %xmm1, %ymm0, %ymm0
; AVX512BW-NEXT:    vpmovwb %zmm0, %ymm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: splatvar_shift_v2i8:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpsrld %xmm1, %zmm0, %zmm0
; AVX512DQVL-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: splatvar_shift_v2i8:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BWVL-NEXT:    vpsrlw %xmm1, %ymm0, %ymm0
; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
; AVX512BWVL-NEXT:    vzeroupper
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: splatvar_shift_v2i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0]
; X86-SSE-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; X86-SSE-NEXT:    psrlw %xmm1, %xmm0
; X86-SSE-NEXT:    pcmpeqd %xmm2, %xmm2
; X86-SSE-NEXT:    psrlw %xmm1, %xmm2
; X86-SSE-NEXT:    psrlw $8, %xmm2
; X86-SSE-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; X86-SSE-NEXT:    pshuflw {{.*#+}} xmm1 = xmm2[0,0,0,0,4,5,6,7]
; X86-SSE-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,0,0]
; X86-SSE-NEXT:    pand %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %splat = shufflevector <2 x i8> %b, <2 x i8> undef, <2 x i32> zeroinitializer
  %shift = lshr <2 x i8> %a, %splat
  ret <2 x i8> %shift
}

;
; Constant Shifts
;

define <2 x i32> @constant_shift_v2i32(<2 x i32> %a) nounwind {
; SSE2-LABEL: constant_shift_v2i32:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa %xmm0, %xmm1
; SSE2-NEXT:    psrld $4, %xmm1
; SSE2-NEXT:    psrld $5, %xmm0
; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; SSE2-NEXT:    movdqa %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: constant_shift_v2i32:
; SSE41:       # %bb.0:
; SSE41-NEXT:    movdqa %xmm0, %xmm1
; SSE41-NEXT:    psrld $5, %xmm1
; SSE41-NEXT:    psrld $4, %xmm0
; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5,6,7]
; SSE41-NEXT:    retq
;
; AVX1-LABEL: constant_shift_v2i32:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpsrld $5, %xmm0, %xmm1
; AVX1-NEXT:    vpsrld $4, %xmm0, %xmm0
; AVX1-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5,6,7]
; AVX1-NEXT:    retq
;
; AVX2-LABEL: constant_shift_v2i32:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX2-NEXT:    retq
;
; XOPAVX1-LABEL: constant_shift_v2i32:
; XOPAVX1:       # %bb.0:
; XOPAVX1-NEXT:    vpshld {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOPAVX1-NEXT:    retq
;
; XOPAVX2-LABEL: constant_shift_v2i32:
; XOPAVX2:       # %bb.0:
; XOPAVX2-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOPAVX2-NEXT:    retq
;
; AVX512-LABEL: constant_shift_v2i32:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: constant_shift_v2i32:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: constant_shift_v2i32:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    movdqa %xmm0, %xmm1
; X86-SSE-NEXT:    psrld $4, %xmm1
; X86-SSE-NEXT:    psrld $5, %xmm0
; X86-SSE-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
; X86-SSE-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; X86-SSE-NEXT:    movdqa %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <2 x i32> %a, <i32 4, i32 5>
  ret <2 x i32> %shift
}

define <4 x i16> @constant_shift_v4i16(<4 x i16> %a) nounwind {
; SSE2-LABEL: constant_shift_v4i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa {{.*#+}} xmm1 = [0,65535,65535,65535,65535,65535,65535,65535]
; SSE2-NEXT:    pandn %xmm0, %xmm1
; SSE2-NEXT:    pmulhuw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    por %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: constant_shift_v4i16:
; SSE41:       # %bb.0:
; SSE41-NEXT:    movdqa {{.*#+}} xmm1 = <u,32768,16384,8192,u,u,u,u>
; SSE41-NEXT:    pmulhuw %xmm0, %xmm1
; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3,4,5,6,7]
; SSE41-NEXT:    retq
;
; AVX-LABEL: constant_shift_v4i16:
; AVX:       # %bb.0:
; AVX-NEXT:    vpmulhuw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm1
; AVX-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3,4,5,6,7]
; AVX-NEXT:    retq
;
; XOP-LABEL: constant_shift_v4i16:
; XOP:       # %bb.0:
; XOP-NEXT:    vpshlw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: constant_shift_v4i16:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmulhuw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm1
; AVX512DQ-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3,4,5,6,7]
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: constant_shift_v4i16:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 def $zmm0
; AVX512BW-NEXT:    vmovdqa {{.*#+}} xmm1 = <0,1,2,3,u,u,u,u>
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $zmm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: constant_shift_v4i16:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmulhuw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm1
; AVX512DQVL-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3,4,5,6,7]
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: constant_shift_v4i16:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpsrlvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: constant_shift_v4i16:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    movdqa {{.*#+}} xmm1 = [0,65535,65535,65535,65535,65535,65535,65535]
; X86-SSE-NEXT:    pandn %xmm0, %xmm1
; X86-SSE-NEXT:    pmulhuw {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    por %xmm1, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <4 x i16> %a, <i16 0, i16 1, i16 2, i16 3>
  ret <4 x i16> %shift
}

define <2 x i16> @constant_shift_v2i16(<2 x i16> %a) nounwind {
; SSE2-LABEL: constant_shift_v2i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa %xmm0, %xmm1
; SSE2-NEXT:    psrlw $3, %xmm1
; SSE2-NEXT:    movdqa {{.*#+}} xmm2 = [65535,0,65535,65535,65535,65535,65535,65535]
; SSE2-NEXT:    psrlw $2, %xmm0
; SSE2-NEXT:    pand %xmm2, %xmm0
; SSE2-NEXT:    pandn %xmm1, %xmm2
; SSE2-NEXT:    por %xmm2, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: constant_shift_v2i16:
; SSE41:       # %bb.0:
; SSE41-NEXT:    movdqa %xmm0, %xmm1
; SSE41-NEXT:    psrlw $3, %xmm1
; SSE41-NEXT:    psrlw $2, %xmm0
; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3,4,5,6,7]
; SSE41-NEXT:    retq
;
; AVX-LABEL: constant_shift_v2i16:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsrlw $3, %xmm0, %xmm1
; AVX-NEXT:    vpsrlw $2, %xmm0, %xmm0
; AVX-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3,4,5,6,7]
; AVX-NEXT:    retq
;
; XOP-LABEL: constant_shift_v2i16:
; XOP:       # %bb.0:
; XOP-NEXT:    vpshlw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: constant_shift_v2i16:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpsrlw $3, %xmm0, %xmm1
; AVX512DQ-NEXT:    vpsrlw $2, %xmm0, %xmm0
; AVX512DQ-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3,4,5,6,7]
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: constant_shift_v2i16:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 def $zmm0
; AVX512BW-NEXT:    vmovdqa {{.*#+}} xmm1 = <2,3,u,u,u,u,u,u>
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $zmm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: constant_shift_v2i16:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpsrlw $3, %xmm0, %xmm1
; AVX512DQVL-NEXT:    vpsrlw $2, %xmm0, %xmm0
; AVX512DQVL-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3,4,5,6,7]
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: constant_shift_v2i16:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpsrlvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: constant_shift_v2i16:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    movdqa %xmm0, %xmm1
; X86-SSE-NEXT:    psrlw $3, %xmm1
; X86-SSE-NEXT:    movdqa {{.*#+}} xmm2 = [65535,0,65535,65535,65535,65535,65535,65535]
; X86-SSE-NEXT:    psrlw $2, %xmm0
; X86-SSE-NEXT:    pand %xmm2, %xmm0
; X86-SSE-NEXT:    pandn %xmm1, %xmm2
; X86-SSE-NEXT:    por %xmm2, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <2 x i16> %a, <i16 2, i16 3>
  ret <2 x i16> %shift
}

define <8 x i8> @constant_shift_v8i8(<8 x i8> %a) nounwind {
; SSE2-LABEL: constant_shift_v8i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pxor %xmm1, %xmm1
; SSE2-NEXT:    movdqa %xmm0, %xmm2
; SSE2-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
; SSE2-NEXT:    pmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    psrlw $8, %xmm0
; SSE2-NEXT:    packuswb %xmm2, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: constant_shift_v8i8:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pxor %xmm2, %xmm2
; SSE41-NEXT:    pmovzxbw {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; SSE41-NEXT:    punpckhbw {{.*#+}} xmm0 = xmm0[8],xmm2[8],xmm0[9],xmm2[9],xmm0[10],xmm2[10],xmm0[11],xmm2[11],xmm0[12],xmm2[12],xmm0[13],xmm2[13],xmm0[14],xmm2[14],xmm0[15],xmm2[15]
; SSE41-NEXT:    pmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; SSE41-NEXT:    psrlw $8, %xmm1
; SSE41-NEXT:    packuswb %xmm0, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    retq
;
; AVX1-LABEL: constant_shift_v8i8:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm1 = xmm0[8],xmm1[8],xmm0[9],xmm1[9],xmm0[10],xmm1[10],xmm0[11],xmm1[11],xmm0[12],xmm1[12],xmm0[13],xmm1[13],xmm0[14],xmm1[14],xmm0[15],xmm1[15]
; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; AVX1-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX1-NEXT:    vpsrlw $8, %xmm0, %xmm0
; AVX1-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    retq
;
; AVX2-LABEL: constant_shift_v8i8:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
; AVX2-NEXT:    vpsrlw $8, %ymm0, %ymm0
; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; XOP-LABEL: constant_shift_v8i8:
; XOP:       # %bb.0:
; XOP-NEXT:    vpshlb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: constant_shift_v8i8:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQ-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
; AVX512DQ-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: constant_shift_v8i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,1,2,3,4,5,6,7,0,0,0,0,0,0,0,0]
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    vpmovwb %zmm0, %ymm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: constant_shift_v8i8:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
; AVX512DQVL-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: constant_shift_v8i8:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BWVL-NEXT:    vpsrlvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
; AVX512BWVL-NEXT:    vzeroupper
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: constant_shift_v8i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    pxor %xmm1, %xmm1
; X86-SSE-NEXT:    movdqa %xmm0, %xmm2
; X86-SSE-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]
; X86-SSE-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
; X86-SSE-NEXT:    pmullw {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    psrlw $8, %xmm0
; X86-SSE-NEXT:    packuswb %xmm2, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <8 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7>
  ret <8 x i8> %shift
}

define <4 x i8> @constant_shift_v4i8(<4 x i8> %a) nounwind {
; SSE2-LABEL: constant_shift_v4i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pxor %xmm1, %xmm1
; SSE2-NEXT:    movdqa %xmm0, %xmm2
; SSE2-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
; SSE2-NEXT:    pmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    psrlw $8, %xmm0
; SSE2-NEXT:    packuswb %xmm2, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: constant_shift_v4i8:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pxor %xmm2, %xmm2
; SSE41-NEXT:    pmovzxbw {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; SSE41-NEXT:    punpckhbw {{.*#+}} xmm0 = xmm0[8],xmm2[8],xmm0[9],xmm2[9],xmm0[10],xmm2[10],xmm0[11],xmm2[11],xmm0[12],xmm2[12],xmm0[13],xmm2[13],xmm0[14],xmm2[14],xmm0[15],xmm2[15]
; SSE41-NEXT:    pmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; SSE41-NEXT:    psrlw $8, %xmm1
; SSE41-NEXT:    packuswb %xmm0, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    retq
;
; AVX1-LABEL: constant_shift_v4i8:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm1 = xmm0[8],xmm1[8],xmm0[9],xmm1[9],xmm0[10],xmm1[10],xmm0[11],xmm1[11],xmm0[12],xmm1[12],xmm0[13],xmm1[13],xmm0[14],xmm1[14],xmm0[15],xmm1[15]
; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; AVX1-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX1-NEXT:    vpsrlw $8, %xmm0, %xmm0
; AVX1-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    retq
;
; AVX2-LABEL: constant_shift_v4i8:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
; AVX2-NEXT:    vpsrlw $8, %ymm0, %ymm0
; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; XOP-LABEL: constant_shift_v4i8:
; XOP:       # %bb.0:
; XOP-NEXT:    vpshlb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: constant_shift_v4i8:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQ-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
; AVX512DQ-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: constant_shift_v4i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,1,2,3,0,0,0,0,0,0,0,0,0,0,0,0]
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    vpmovwb %zmm0, %ymm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: constant_shift_v4i8:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
; AVX512DQVL-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: constant_shift_v4i8:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BWVL-NEXT:    vpsrlvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
; AVX512BWVL-NEXT:    vzeroupper
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: constant_shift_v4i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    pxor %xmm1, %xmm1
; X86-SSE-NEXT:    movdqa %xmm0, %xmm2
; X86-SSE-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]
; X86-SSE-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
; X86-SSE-NEXT:    pmullw {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    psrlw $8, %xmm0
; X86-SSE-NEXT:    packuswb %xmm2, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <4 x i8> %a, <i8 0, i8 1, i8 2, i8 3>
  ret <4 x i8> %shift
}

define <2 x i8> @constant_shift_v2i8(<2 x i8> %a) nounwind {
; SSE2-LABEL: constant_shift_v2i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pxor %xmm1, %xmm1
; SSE2-NEXT:    movdqa %xmm0, %xmm2
; SSE2-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
; SSE2-NEXT:    pmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE2-NEXT:    psrlw $8, %xmm0
; SSE2-NEXT:    packuswb %xmm2, %xmm0
; SSE2-NEXT:    retq
;
; SSE41-LABEL: constant_shift_v2i8:
; SSE41:       # %bb.0:
; SSE41-NEXT:    pxor %xmm2, %xmm2
; SSE41-NEXT:    pmovzxbw {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; SSE41-NEXT:    punpckhbw {{.*#+}} xmm0 = xmm0[8],xmm2[8],xmm0[9],xmm2[9],xmm0[10],xmm2[10],xmm0[11],xmm2[11],xmm0[12],xmm2[12],xmm0[13],xmm2[13],xmm0[14],xmm2[14],xmm0[15],xmm2[15]
; SSE41-NEXT:    pmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; SSE41-NEXT:    psrlw $8, %xmm1
; SSE41-NEXT:    packuswb %xmm0, %xmm1
; SSE41-NEXT:    movdqa %xmm1, %xmm0
; SSE41-NEXT:    retq
;
; AVX1-LABEL: constant_shift_v2i8:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm1 = xmm0[8],xmm1[8],xmm0[9],xmm1[9],xmm0[10],xmm1[10],xmm0[11],xmm1[11],xmm0[12],xmm1[12],xmm0[13],xmm1[13],xmm0[14],xmm1[14],xmm0[15],xmm1[15]
; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; AVX1-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX1-NEXT:    vpsrlw $8, %xmm0, %xmm0
; AVX1-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    retq
;
; AVX2-LABEL: constant_shift_v2i8:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
; AVX2-NEXT:    vpsrlw $8, %ymm0, %ymm0
; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; XOP-LABEL: constant_shift_v2i8:
; XOP:       # %bb.0:
; XOP-NEXT:    vpshlb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512DQ-LABEL: constant_shift_v2i8:
; AVX512DQ:       # %bb.0:
; AVX512DQ-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQ-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
; AVX512DQ-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQ-NEXT:    vzeroupper
; AVX512DQ-NEXT:    retq
;
; AVX512BW-LABEL: constant_shift_v2i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa {{.*#+}} ymm1 = [2,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BW-NEXT:    vpsrlvw %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    vpmovwb %zmm0, %ymm0
; AVX512BW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
;
; AVX512DQVL-LABEL: constant_shift_v2i8:
; AVX512DQVL:       # %bb.0:
; AVX512DQVL-NEXT:    vpmovzxbd {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero,xmm0[8],zero,zero,zero,xmm0[9],zero,zero,zero,xmm0[10],zero,zero,zero,xmm0[11],zero,zero,zero,xmm0[12],zero,zero,zero,xmm0[13],zero,zero,zero,xmm0[14],zero,zero,zero,xmm0[15],zero,zero,zero
; AVX512DQVL-NEXT:    vpsrlvd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
; AVX512DQVL-NEXT:    vpmovdb %zmm0, %xmm0
; AVX512DQVL-NEXT:    vzeroupper
; AVX512DQVL-NEXT:    retq
;
; AVX512BWVL-LABEL: constant_shift_v2i8:
; AVX512BWVL:       # %bb.0:
; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
; AVX512BWVL-NEXT:    vpsrlvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
; AVX512BWVL-NEXT:    vzeroupper
; AVX512BWVL-NEXT:    retq
;
; X86-SSE-LABEL: constant_shift_v2i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    pxor %xmm1, %xmm1
; X86-SSE-NEXT:    movdqa %xmm0, %xmm2
; X86-SSE-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]
; X86-SSE-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
; X86-SSE-NEXT:    pmullw {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    psrlw $8, %xmm0
; X86-SSE-NEXT:    packuswb %xmm2, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <2 x i8> %a, <i8 2, i8 3>
  ret <2 x i8> %shift
}

;
; Uniform Constant Shifts
;

define <2 x i32> @splatconstant_shift_v2i32(<2 x i32> %a) nounwind {
; SSE-LABEL: splatconstant_shift_v2i32:
; SSE:       # %bb.0:
; SSE-NEXT:    psrld $5, %xmm0
; SSE-NEXT:    retq
;
; AVX-LABEL: splatconstant_shift_v2i32:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsrld $5, %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: splatconstant_shift_v2i32:
; XOP:       # %bb.0:
; XOP-NEXT:    vpsrld $5, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512-LABEL: splatconstant_shift_v2i32:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpsrld $5, %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: splatconstant_shift_v2i32:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpsrld $5, %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: splatconstant_shift_v2i32:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psrld $5, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <2 x i32> %a, <i32 5, i32 5>
  ret <2 x i32> %shift
}

define <4 x i16> @splatconstant_shift_v4i16(<4 x i16> %a) nounwind {
; SSE-LABEL: splatconstant_shift_v4i16:
; SSE:       # %bb.0:
; SSE-NEXT:    psrlw $3, %xmm0
; SSE-NEXT:    retq
;
; AVX-LABEL: splatconstant_shift_v4i16:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: splatconstant_shift_v4i16:
; XOP:       # %bb.0:
; XOP-NEXT:    vpsrlw $3, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512-LABEL: splatconstant_shift_v4i16:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: splatconstant_shift_v4i16:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: splatconstant_shift_v4i16:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psrlw $3, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <4 x i16> %a, <i16 3, i16 3, i16 3, i16 3>
  ret <4 x i16> %shift
}

define <2 x i16> @splatconstant_shift_v2i16(<2 x i16> %a) nounwind {
; SSE-LABEL: splatconstant_shift_v2i16:
; SSE:       # %bb.0:
; SSE-NEXT:    psrlw $3, %xmm0
; SSE-NEXT:    retq
;
; AVX-LABEL: splatconstant_shift_v2i16:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: splatconstant_shift_v2i16:
; XOP:       # %bb.0:
; XOP-NEXT:    vpsrlw $3, %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512-LABEL: splatconstant_shift_v2i16:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: splatconstant_shift_v2i16:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: splatconstant_shift_v2i16:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psrlw $3, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <2 x i16> %a, <i16 3, i16 3>
  ret <2 x i16> %shift
}

define <8 x i8> @splatconstant_shift_v8i8(<8 x i8> %a) nounwind {
; SSE-LABEL: splatconstant_shift_v8i8:
; SSE:       # %bb.0:
; SSE-NEXT:    psrlw $3, %xmm0
; SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE-NEXT:    retq
;
; AVX-LABEL: splatconstant_shift_v8i8:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: splatconstant_shift_v8i8:
; XOP:       # %bb.0:
; XOP-NEXT:    vpshlb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512-LABEL: splatconstant_shift_v8i8:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: splatconstant_shift_v8i8:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: splatconstant_shift_v8i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psrlw $3, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <8 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
  ret <8 x i8> %shift
}

define <4 x i8> @splatconstant_shift_v4i8(<4 x i8> %a) nounwind {
; SSE-LABEL: splatconstant_shift_v4i8:
; SSE:       # %bb.0:
; SSE-NEXT:    psrlw $3, %xmm0
; SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE-NEXT:    retq
;
; AVX-LABEL: splatconstant_shift_v4i8:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: splatconstant_shift_v4i8:
; XOP:       # %bb.0:
; XOP-NEXT:    vpshlb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512-LABEL: splatconstant_shift_v4i8:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: splatconstant_shift_v4i8:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: splatconstant_shift_v4i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psrlw $3, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <4 x i8> %a, <i8 3, i8 3, i8 3, i8 3>
  ret <4 x i8> %shift
}

define <2 x i8> @splatconstant_shift_v2i8(<2 x i8> %a) nounwind {
; SSE-LABEL: splatconstant_shift_v2i8:
; SSE:       # %bb.0:
; SSE-NEXT:    psrlw $3, %xmm0
; SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE-NEXT:    retq
;
; AVX-LABEL: splatconstant_shift_v2i8:
; AVX:       # %bb.0:
; AVX-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX-NEXT:    retq
;
; XOP-LABEL: splatconstant_shift_v2i8:
; XOP:       # %bb.0:
; XOP-NEXT:    vpshlb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; XOP-NEXT:    retq
;
; AVX512-LABEL: splatconstant_shift_v2i8:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512-NEXT:    retq
;
; AVX512VL-LABEL: splatconstant_shift_v2i8:
; AVX512VL:       # %bb.0:
; AVX512VL-NEXT:    vpsrlw $3, %xmm0, %xmm0
; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512VL-NEXT:    retq
;
; X86-SSE-LABEL: splatconstant_shift_v2i8:
; X86-SSE:       # %bb.0:
; X86-SSE-NEXT:    psrlw $3, %xmm0
; X86-SSE-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-SSE-NEXT:    retl
  %shift = lshr <2 x i8> %a, <i8 3, i8 3>
  ret <2 x i8> %shift
}