blob: 960aa079e4c0b3b3813a1d51b33faaac4de55f85 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefixes=CHECK,SSE
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK,AVX,AVX2-SLOW
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+fast-variable-shuffle | FileCheck %s --check-prefixes=CHECK,AVX,AVX2-FAST
; fold (srl 0, x) -> 0
define <4 x i32> @combine_vec_lshr_zero(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_zero:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_zero:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = lshr <4 x i32> zeroinitializer, %x
ret <4 x i32> %1
}
; fold (srl x, c >= size(x)) -> undef
define <4 x i32> @combine_vec_lshr_outofrange0(<4 x i32> %x) {
; CHECK-LABEL: combine_vec_lshr_outofrange0:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = lshr <4 x i32> %x, <i32 33, i32 33, i32 33, i32 33>
ret <4 x i32> %1
}
define <4 x i32> @combine_vec_lshr_outofrange1(<4 x i32> %x) {
; CHECK-LABEL: combine_vec_lshr_outofrange1:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = lshr <4 x i32> %x, <i32 33, i32 34, i32 35, i32 36>
ret <4 x i32> %1
}
define <4 x i32> @combine_vec_lshr_outofrange2(<4 x i32> %x) {
; CHECK-LABEL: combine_vec_lshr_outofrange2:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = lshr <4 x i32> %x, <i32 33, i32 34, i32 35, i32 undef>
ret <4 x i32> %1
}
; fold (srl x, 0) -> x
define <4 x i32> @combine_vec_lshr_by_zero(<4 x i32> %x) {
; CHECK-LABEL: combine_vec_lshr_by_zero:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = lshr <4 x i32> %x, zeroinitializer
ret <4 x i32> %1
}
; if (srl x, c) is known to be zero, return 0
define <4 x i32> @combine_vec_lshr_known_zero0(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_known_zero0:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_known_zero0:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = and <4 x i32> %x, <i32 15, i32 15, i32 15, i32 15>
%2 = lshr <4 x i32> %1, <i32 4, i32 4, i32 4, i32 4>
ret <4 x i32> %2
}
define <4 x i32> @combine_vec_lshr_known_zero1(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_known_zero1:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_known_zero1:
; AVX: # %bb.0:
; AVX-NEXT: vpbroadcastd {{.*#+}} xmm1 = [15,15,15,15]
; AVX-NEXT: vpand %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpsrlvd {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT: retq
%1 = and <4 x i32> %x, <i32 15, i32 15, i32 15, i32 15>
%2 = lshr <4 x i32> %1, <i32 8, i32 9, i32 10, i32 11>
ret <4 x i32> %2
}
; fold (srl (srl x, c1), c2) -> (srl x, (add c1, c2))
define <4 x i32> @combine_vec_lshr_lshr0(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_lshr0:
; SSE: # %bb.0:
; SSE-NEXT: psrld $6, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_lshr0:
; AVX: # %bb.0:
; AVX-NEXT: vpsrld $6, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = lshr <4 x i32> %x, <i32 2, i32 2, i32 2, i32 2>
%2 = lshr <4 x i32> %1, <i32 4, i32 4, i32 4, i32 4>
ret <4 x i32> %2
}
define <4 x i32> @combine_vec_lshr_lshr1(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_lshr1:
; SSE: # %bb.0:
; SSE-NEXT: movdqa %xmm0, %xmm1
; SSE-NEXT: psrld $10, %xmm1
; SSE-NEXT: movdqa %xmm0, %xmm2
; SSE-NEXT: psrld $6, %xmm2
; SSE-NEXT: pblendw {{.*#+}} xmm2 = xmm2[0,1,2,3],xmm1[4,5,6,7]
; SSE-NEXT: movdqa %xmm0, %xmm1
; SSE-NEXT: psrld $8, %xmm1
; SSE-NEXT: psrld $4, %xmm0
; SSE-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5,6,7]
; SSE-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm2[2,3],xmm0[4,5],xmm2[6,7]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_lshr1:
; AVX: # %bb.0:
; AVX-NEXT: vpsrlvd {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT: retq
%1 = lshr <4 x i32> %x, <i32 0, i32 1, i32 2, i32 3>
%2 = lshr <4 x i32> %1, <i32 4, i32 5, i32 6, i32 7>
ret <4 x i32> %2
}
; fold (srl (srl x, c1), c2) -> 0
define <4 x i32> @combine_vec_lshr_lshr_zero0(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_lshr_zero0:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_lshr_zero0:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = lshr <4 x i32> %x, <i32 16, i32 16, i32 16, i32 16>
%2 = lshr <4 x i32> %1, <i32 20, i32 20, i32 20, i32 20>
ret <4 x i32> %2
}
define <4 x i32> @combine_vec_lshr_lshr_zero1(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_lshr_zero1:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_lshr_zero1:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = lshr <4 x i32> %x, <i32 17, i32 18, i32 19, i32 20>
%2 = lshr <4 x i32> %1, <i32 25, i32 26, i32 27, i32 28>
ret <4 x i32> %2
}
; fold (srl (trunc (srl x, c1)), c2) -> (trunc (srl x, (add c1, c2)))
define <4 x i32> @combine_vec_lshr_trunc_lshr0(<4 x i64> %x) {
; SSE-LABEL: combine_vec_lshr_trunc_lshr0:
; SSE: # %bb.0:
; SSE-NEXT: psrlq $48, %xmm1
; SSE-NEXT: psrlq $48, %xmm0
; SSE-NEXT: packusdw %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_trunc_lshr0:
; AVX: # %bb.0:
; AVX-NEXT: vpsrlq $48, %ymm0, %ymm0
; AVX-NEXT: vextracti128 $1, %ymm0, %xmm1
; AVX-NEXT: vpackusdw %xmm1, %xmm0, %xmm0
; AVX-NEXT: vzeroupper
; AVX-NEXT: retq
%1 = lshr <4 x i64> %x, <i64 32, i64 32, i64 32, i64 32>
%2 = trunc <4 x i64> %1 to <4 x i32>
%3 = lshr <4 x i32> %2, <i32 16, i32 16, i32 16, i32 16>
ret <4 x i32> %3
}
define <4 x i32> @combine_vec_lshr_trunc_lshr1(<4 x i64> %x) {
; SSE-LABEL: combine_vec_lshr_trunc_lshr1:
; SSE: # %bb.0:
; SSE-NEXT: movdqa %xmm1, %xmm2
; SSE-NEXT: psrlq $35, %xmm2
; SSE-NEXT: psrlq $34, %xmm1
; SSE-NEXT: pblendw {{.*#+}} xmm1 = xmm1[0,1,2,3],xmm2[4,5,6,7]
; SSE-NEXT: movdqa %xmm0, %xmm2
; SSE-NEXT: psrlq $33, %xmm2
; SSE-NEXT: psrlq $32, %xmm0
; SSE-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm2[4,5,6,7]
; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
; SSE-NEXT: movaps %xmm0, %xmm1
; SSE-NEXT: psrld $19, %xmm1
; SSE-NEXT: movaps %xmm0, %xmm2
; SSE-NEXT: psrld $17, %xmm2
; SSE-NEXT: pblendw {{.*#+}} xmm2 = xmm2[0,1,2,3],xmm1[4,5,6,7]
; SSE-NEXT: movaps %xmm0, %xmm1
; SSE-NEXT: psrld $18, %xmm1
; SSE-NEXT: psrld $16, %xmm0
; SSE-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5,6,7]
; SSE-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm2[2,3],xmm0[4,5],xmm2[6,7]
; SSE-NEXT: retq
;
; AVX2-SLOW-LABEL: combine_vec_lshr_trunc_lshr1:
; AVX2-SLOW: # %bb.0:
; AVX2-SLOW-NEXT: vpsrlvq {{.*}}(%rip), %ymm0, %ymm0
; AVX2-SLOW-NEXT: vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
; AVX2-SLOW-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
; AVX2-SLOW-NEXT: vpsrlvd {{.*}}(%rip), %xmm0, %xmm0
; AVX2-SLOW-NEXT: vzeroupper
; AVX2-SLOW-NEXT: retq
;
; AVX2-FAST-LABEL: combine_vec_lshr_trunc_lshr1:
; AVX2-FAST: # %bb.0:
; AVX2-FAST-NEXT: vpsrlvq {{.*}}(%rip), %ymm0, %ymm0
; AVX2-FAST-NEXT: vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
; AVX2-FAST-NEXT: vpermd %ymm0, %ymm1, %ymm0
; AVX2-FAST-NEXT: vpsrlvd {{.*}}(%rip), %xmm0, %xmm0
; AVX2-FAST-NEXT: vzeroupper
; AVX2-FAST-NEXT: retq
%1 = lshr <4 x i64> %x, <i64 32, i64 33, i64 34, i64 35>
%2 = trunc <4 x i64> %1 to <4 x i32>
%3 = lshr <4 x i32> %2, <i32 16, i32 17, i32 18, i32 19>
ret <4 x i32> %3
}
; fold (srl (trunc (srl x, c1)), c2) -> 0
define <4 x i32> @combine_vec_lshr_trunc_lshr_zero0(<4 x i64> %x) {
; SSE-LABEL: combine_vec_lshr_trunc_lshr_zero0:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_trunc_lshr_zero0:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = lshr <4 x i64> %x, <i64 48, i64 48, i64 48, i64 48>
%2 = trunc <4 x i64> %1 to <4 x i32>
%3 = lshr <4 x i32> %2, <i32 24, i32 24, i32 24, i32 24>
ret <4 x i32> %3
}
define <4 x i32> @combine_vec_lshr_trunc_lshr_zero1(<4 x i64> %x) {
; SSE-LABEL: combine_vec_lshr_trunc_lshr_zero1:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_trunc_lshr_zero1:
; AVX: # %bb.0:
; AVX-NEXT: vpsrlvq {{.*}}(%rip), %ymm0, %ymm0
; AVX-NEXT: vextracti128 $1, %ymm0, %xmm1
; AVX-NEXT: vpackusdw %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpsrlvd {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT: vzeroupper
; AVX-NEXT: retq
%1 = lshr <4 x i64> %x, <i64 48, i64 49, i64 50, i64 51>
%2 = trunc <4 x i64> %1 to <4 x i32>
%3 = lshr <4 x i32> %2, <i32 24, i32 25, i32 26, i32 27>
ret <4 x i32> %3
}
; fold (srl (shl x, c), c) -> (and x, cst2)
define <4 x i32> @combine_vec_lshr_shl_mask0(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_shl_mask0:
; SSE: # %bb.0:
; SSE-NEXT: andps {{.*}}(%rip), %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_shl_mask0:
; AVX: # %bb.0:
; AVX-NEXT: vbroadcastss {{.*#+}} xmm1 = [1073741823,1073741823,1073741823,1073741823]
; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = shl <4 x i32> %x, <i32 2, i32 2, i32 2, i32 2>
%2 = lshr <4 x i32> %1, <i32 2, i32 2, i32 2, i32 2>
ret <4 x i32> %2
}
define <4 x i32> @combine_vec_lshr_shl_mask1(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_shl_mask1:
; SSE: # %bb.0:
; SSE-NEXT: andps {{.*}}(%rip), %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_shl_mask1:
; AVX: # %bb.0:
; AVX-NEXT: vandps {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT: retq
%1 = shl <4 x i32> %x, <i32 2, i32 3, i32 4, i32 5>
%2 = lshr <4 x i32> %1, <i32 2, i32 3, i32 4, i32 5>
ret <4 x i32> %2
}
; fold (srl (sra X, Y), 31) -> (srl X, 31)
define <4 x i32> @combine_vec_lshr_ashr_sign(<4 x i32> %x, <4 x i32> %y) {
; SSE-LABEL: combine_vec_lshr_ashr_sign:
; SSE: # %bb.0:
; SSE-NEXT: psrld $31, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_ashr_sign:
; AVX: # %bb.0:
; AVX-NEXT: vpsrld $31, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = ashr <4 x i32> %x, %y
%2 = lshr <4 x i32> %1, <i32 31, i32 31, i32 31, i32 31>
ret <4 x i32> %2
}
; fold (srl (ctlz x), "5") -> x iff x has one bit set (the low bit).
define <4 x i32> @combine_vec_lshr_lzcnt_bit0(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_lzcnt_bit0:
; SSE: # %bb.0:
; SSE-NEXT: pand {{.*}}(%rip), %xmm0
; SSE-NEXT: psrld $4, %xmm0
; SSE-NEXT: pxor {{.*}}(%rip), %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_lzcnt_bit0:
; AVX: # %bb.0:
; AVX-NEXT: vpbroadcastd {{.*#+}} xmm1 = [16,16,16,16]
; AVX-NEXT: vpand %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpsrld $4, %xmm0, %xmm0
; AVX-NEXT: vpbroadcastd {{.*#+}} xmm1 = [1,1,1,1]
; AVX-NEXT: vpxor %xmm1, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = and <4 x i32> %x, <i32 16, i32 16, i32 16, i32 16>
%2 = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %1, i1 0)
%3 = lshr <4 x i32> %2, <i32 5, i32 5, i32 5, i32 5>
ret <4 x i32> %3
}
define <4 x i32> @combine_vec_lshr_lzcnt_bit1(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_lzcnt_bit1:
; SSE: # %bb.0:
; SSE-NEXT: pand {{.*}}(%rip), %xmm0
; SSE-NEXT: movdqa {{.*#+}} xmm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
; SSE-NEXT: movdqa %xmm2, %xmm3
; SSE-NEXT: pshufb %xmm0, %xmm3
; SSE-NEXT: movdqa %xmm0, %xmm1
; SSE-NEXT: psrlw $4, %xmm1
; SSE-NEXT: pxor %xmm4, %xmm4
; SSE-NEXT: pshufb %xmm1, %xmm2
; SSE-NEXT: pcmpeqb %xmm4, %xmm1
; SSE-NEXT: pand %xmm3, %xmm1
; SSE-NEXT: paddb %xmm2, %xmm1
; SSE-NEXT: movdqa %xmm0, %xmm2
; SSE-NEXT: pcmpeqb %xmm4, %xmm2
; SSE-NEXT: psrlw $8, %xmm2
; SSE-NEXT: pand %xmm1, %xmm2
; SSE-NEXT: psrlw $8, %xmm1
; SSE-NEXT: paddw %xmm2, %xmm1
; SSE-NEXT: pcmpeqw %xmm4, %xmm0
; SSE-NEXT: psrld $16, %xmm0
; SSE-NEXT: pand %xmm1, %xmm0
; SSE-NEXT: psrld $16, %xmm1
; SSE-NEXT: paddd %xmm0, %xmm1
; SSE-NEXT: psrld $5, %xmm1
; SSE-NEXT: movdqa %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_lzcnt_bit1:
; AVX: # %bb.0:
; AVX-NEXT: vpand {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT: vmovdqa {{.*#+}} xmm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
; AVX-NEXT: vpshufb %xmm0, %xmm1, %xmm2
; AVX-NEXT: vpsrlw $4, %xmm0, %xmm3
; AVX-NEXT: vpxor %xmm4, %xmm4, %xmm4
; AVX-NEXT: vpcmpeqb %xmm4, %xmm3, %xmm5
; AVX-NEXT: vpand %xmm5, %xmm2, %xmm2
; AVX-NEXT: vpshufb %xmm3, %xmm1, %xmm1
; AVX-NEXT: vpaddb %xmm1, %xmm2, %xmm1
; AVX-NEXT: vpcmpeqb %xmm4, %xmm0, %xmm2
; AVX-NEXT: vpsrlw $8, %xmm2, %xmm2
; AVX-NEXT: vpand %xmm2, %xmm1, %xmm2
; AVX-NEXT: vpsrlw $8, %xmm1, %xmm1
; AVX-NEXT: vpaddw %xmm2, %xmm1, %xmm1
; AVX-NEXT: vpcmpeqw %xmm4, %xmm0, %xmm0
; AVX-NEXT: vpsrld $16, %xmm0, %xmm0
; AVX-NEXT: vpand %xmm0, %xmm1, %xmm0
; AVX-NEXT: vpsrld $16, %xmm1, %xmm1
; AVX-NEXT: vpaddd %xmm0, %xmm1, %xmm0
; AVX-NEXT: vpsrld $5, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = and <4 x i32> %x, <i32 4, i32 32, i32 64, i32 128>
%2 = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %1, i1 0)
%3 = lshr <4 x i32> %2, <i32 5, i32 5, i32 5, i32 5>
ret <4 x i32> %3
}
declare <4 x i32> @llvm.ctlz.v4i32(<4 x i32>, i1)
; fold (srl x, (trunc (and y, c))) -> (srl x, (and (trunc y), (trunc c))).
define <4 x i32> @combine_vec_lshr_trunc_and(<4 x i32> %x, <4 x i64> %y) {
; SSE-LABEL: combine_vec_lshr_trunc_and:
; SSE: # %bb.0:
; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
; SSE-NEXT: andps {{.*}}(%rip), %xmm1
; SSE-NEXT: pshuflw {{.*#+}} xmm2 = xmm1[2,3,3,3,4,5,6,7]
; SSE-NEXT: movdqa %xmm0, %xmm3
; SSE-NEXT: psrld %xmm2, %xmm3
; SSE-NEXT: pshufd {{.*#+}} xmm2 = xmm1[2,3,0,1]
; SSE-NEXT: pshuflw {{.*#+}} xmm4 = xmm2[2,3,3,3,4,5,6,7]
; SSE-NEXT: movdqa %xmm0, %xmm5
; SSE-NEXT: psrld %xmm4, %xmm5
; SSE-NEXT: pblendw {{.*#+}} xmm5 = xmm3[0,1,2,3],xmm5[4,5,6,7]
; SSE-NEXT: pshuflw {{.*#+}} xmm1 = xmm1[0,1,1,1,4,5,6,7]
; SSE-NEXT: movdqa %xmm0, %xmm3
; SSE-NEXT: psrld %xmm1, %xmm3
; SSE-NEXT: pshuflw {{.*#+}} xmm1 = xmm2[0,1,1,1,4,5,6,7]
; SSE-NEXT: psrld %xmm1, %xmm0
; SSE-NEXT: pblendw {{.*#+}} xmm0 = xmm3[0,1,2,3],xmm0[4,5,6,7]
; SSE-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm5[2,3],xmm0[4,5],xmm5[6,7]
; SSE-NEXT: retq
;
; AVX2-SLOW-LABEL: combine_vec_lshr_trunc_and:
; AVX2-SLOW: # %bb.0:
; AVX2-SLOW-NEXT: vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
; AVX2-SLOW-NEXT: vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
; AVX2-SLOW-NEXT: vpand {{.*}}(%rip), %xmm1, %xmm1
; AVX2-SLOW-NEXT: vpsrlvd %xmm1, %xmm0, %xmm0
; AVX2-SLOW-NEXT: vzeroupper
; AVX2-SLOW-NEXT: retq
;
; AVX2-FAST-LABEL: combine_vec_lshr_trunc_and:
; AVX2-FAST: # %bb.0:
; AVX2-FAST-NEXT: vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
; AVX2-FAST-NEXT: vpermd %ymm1, %ymm2, %ymm1
; AVX2-FAST-NEXT: vpand {{.*}}(%rip), %xmm1, %xmm1
; AVX2-FAST-NEXT: vpsrlvd %xmm1, %xmm0, %xmm0
; AVX2-FAST-NEXT: vzeroupper
; AVX2-FAST-NEXT: retq
%1 = and <4 x i64> %y, <i64 15, i64 255, i64 4095, i64 65535>
%2 = trunc <4 x i64> %1 to <4 x i32>
%3 = lshr <4 x i32> %x, %2
ret <4 x i32> %3
}