; 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-prefix=SSE ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX ; fold (shl 0, x) -> 0 define <4 x i32> @combine_vec_shl_zero(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_zero: ; SSE: # %bb.0: ; SSE-NEXT: xorps %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_zero: ; AVX: # %bb.0: ; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = shl <4 x i32> zeroinitializer, %x ret <4 x i32> %1 } ; fold (shl x, c >= size(x)) -> undef define <4 x i32> @combine_vec_shl_outofrange0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_outofrange0: ; SSE: # %bb.0: ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_outofrange0: ; AVX: # %bb.0: ; AVX-NEXT: retq %1 = shl <4 x i32> %x, ret <4 x i32> %1 } define <4 x i32> @combine_vec_shl_outofrange1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_outofrange1: ; SSE: # %bb.0: ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_outofrange1: ; AVX: # %bb.0: ; AVX-NEXT: retq %1 = shl <4 x i32> %x, ret <4 x i32> %1 } define <4 x i32> @combine_vec_shl_outofrange2(<4 x i32> %a0) { ; SSE-LABEL: combine_vec_shl_outofrange2: ; SSE: # %bb.0: ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_outofrange2: ; AVX: # %bb.0: ; AVX-NEXT: retq %1 = and <4 x i32> %a0, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl x, 0) -> x define <4 x i32> @combine_vec_shl_by_zero(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_by_zero: ; SSE: # %bb.0: ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_by_zero: ; AVX: # %bb.0: ; AVX-NEXT: retq %1 = shl <4 x i32> %x, zeroinitializer ret <4 x i32> %1 } ; if (shl x, c) is known to be zero, return 0 define <4 x i32> @combine_vec_shl_known_zero0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_known_zero0: ; SSE: # %bb.0: ; SSE-NEXT: xorps %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_known_zero0: ; AVX: # %bb.0: ; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = and <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_known_zero1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_known_zero1: ; SSE: # %bb.0: ; SSE-NEXT: pand {{.*}}(%rip), %xmm0 ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_known_zero1: ; AVX: # %bb.0: ; AVX-NEXT: vpand {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: vpsllvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = and <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl x, (trunc (and y, c))) -> (shl x, (and (trunc y), (trunc c))). define <4 x i32> @combine_vec_shl_trunc_and(<4 x i32> %x, <4 x i64> %y) { ; SSE-LABEL: combine_vec_shl_trunc_and: ; SSE: # %bb.0: ; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2] ; SSE-NEXT: andps {{.*}}(%rip), %xmm1 ; SSE-NEXT: pslld $23, %xmm1 ; SSE-NEXT: paddd {{.*}}(%rip), %xmm1 ; SSE-NEXT: cvttps2dq %xmm1, %xmm1 ; SSE-NEXT: pmulld %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_trunc_and: ; AVX: # %bb.0: ; AVX-NEXT: vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7] ; AVX-NEXT: vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3] ; AVX-NEXT: vpand {{.*}}(%rip), %xmm1, %xmm1 ; AVX-NEXT: vpsllvd %xmm1, %xmm0, %xmm0 ; AVX-NEXT: vzeroupper ; AVX-NEXT: retq %1 = and <4 x i64> %y, %2 = trunc <4 x i64> %1 to <4 x i32> %3 = shl <4 x i32> %x, %2 ret <4 x i32> %3 } ; fold (shl (shl x, c1), c2) -> (shl x, (add c1, c2)) define <4 x i32> @combine_vec_shl_shl0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_shl0: ; SSE: # %bb.0: ; SSE-NEXT: pslld $6, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_shl0: ; AVX: # %bb.0: ; AVX-NEXT: vpslld $6, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = shl <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_shl1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_shl1: ; SSE: # %bb.0: ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_shl1: ; AVX: # %bb.0: ; AVX-NEXT: vpsllvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = shl <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl (shl x, c1), c2) -> 0 define <4 x i32> @combine_vec_shl_shlr_zero0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_shlr_zero0: ; SSE: # %bb.0: ; SSE-NEXT: xorps %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_shlr_zero0: ; AVX: # %bb.0: ; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = shl <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_shl_zero1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_shl_zero1: ; SSE: # %bb.0: ; SSE-NEXT: xorps %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_shl_zero1: ; AVX: # %bb.0: ; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = shl <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl (ext (shl x, c1)), c2) -> (ext (shl x, (add c1, c2))) define <8 x i32> @combine_vec_shl_ext_shl0(<8 x i16> %x) { ; SSE-LABEL: combine_vec_shl_ext_shl0: ; SSE: # %bb.0: ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: pmovzxwd {{.*#+}} xmm0 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero ; SSE-NEXT: punpckhwd {{.*#+}} xmm1 = xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7] ; SSE-NEXT: pslld $20, %xmm1 ; SSE-NEXT: pslld $20, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_ext_shl0: ; AVX: # %bb.0: ; AVX-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 ; AVX-NEXT: vpslld $20, %ymm0, %ymm0 ; AVX-NEXT: retq %1 = shl <8 x i16> %x, %2 = sext <8 x i16> %1 to <8 x i32> %3 = shl <8 x i32> %2, ret <8 x i32> %3 } define <8 x i32> @combine_vec_shl_ext_shl1(<8 x i16> %x) { ; SSE-LABEL: combine_vec_shl_ext_shl1: ; SSE: # %bb.0: ; SSE-NEXT: pmullw {{.*}}(%rip), %xmm0 ; SSE-NEXT: pshufd {{.*#+}} xmm1 = xmm0[2,3,0,1] ; SSE-NEXT: pmovsxwd %xmm1, %xmm1 ; SSE-NEXT: pmovsxwd %xmm0, %xmm0 ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm1 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_ext_shl1: ; AVX: # %bb.0: ; AVX-NEXT: vpmullw {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: vpmovsxwd %xmm0, %ymm0 ; AVX-NEXT: vpsllvd {{.*}}(%rip), %ymm0, %ymm0 ; AVX-NEXT: retq %1 = shl <8 x i16> %x, %2 = sext <8 x i16> %1 to <8 x i32> %3 = shl <8 x i32> %2, ret <8 x i32> %3 } ; fold (shl (zext (srl x, C)), C) -> (zext (shl (srl x, C), C)) define <8 x i32> @combine_vec_shl_zext_lshr0(<8 x i16> %x) { ; SSE-LABEL: combine_vec_shl_zext_lshr0: ; SSE: # %bb.0: ; SSE-NEXT: pand {{.*}}(%rip), %xmm0 ; SSE-NEXT: pmovzxwd {{.*#+}} xmm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero ; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1] ; SSE-NEXT: pmovzxwd {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero ; SSE-NEXT: movdqa %xmm2, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_zext_lshr0: ; AVX: # %bb.0: ; AVX-NEXT: vpand {{.*}}(%rip), %xmm0, %xmm0 ; AVX-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 ; AVX-NEXT: retq %1 = lshr <8 x i16> %x, %2 = zext <8 x i16> %1 to <8 x i32> %3 = shl <8 x i32> %2, ret <8 x i32> %3 } define <8 x i32> @combine_vec_shl_zext_lshr1(<8 x i16> %x) { ; SSE-LABEL: combine_vec_shl_zext_lshr1: ; SSE: # %bb.0: ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: psrlw $8, %xmm1 ; SSE-NEXT: pblendw {{.*#+}} xmm1 = xmm0[0,1,2,3,4,5,6],xmm1[7] ; SSE-NEXT: movdqa %xmm1, %xmm0 ; SSE-NEXT: psrlw $4, %xmm0 ; SSE-NEXT: pblendw {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[3,4,5,6],xmm1[7] ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: psrlw $2, %xmm1 ; SSE-NEXT: pblendw {{.*#+}} xmm1 = xmm0[0],xmm1[1,2],xmm0[3,4],xmm1[5,6],xmm0[7] ; SSE-NEXT: movdqa %xmm1, %xmm0 ; SSE-NEXT: psrlw $1, %xmm0 ; SSE-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7] ; SSE-NEXT: pshufd {{.*#+}} xmm1 = xmm0[2,3,0,1] ; SSE-NEXT: pmovzxwd {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero ; SSE-NEXT: pmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm1 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_zext_lshr1: ; AVX: # %bb.0: ; AVX-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 ; AVX-NEXT: vmovdqa {{.*#+}} ymm1 = [1,2,3,4,5,6,7,8] ; AVX-NEXT: vpsrlvd %ymm1, %ymm0, %ymm0 ; AVX-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31] ; AVX-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3] ; AVX-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 ; AVX-NEXT: vpsllvd %ymm1, %ymm0, %ymm0 ; AVX-NEXT: retq %1 = lshr <8 x i16> %x, %2 = zext <8 x i16> %1 to <8 x i32> %3 = shl <8 x i32> %2, ret <8 x i32> %3 } ; fold (shl (sr[la] exact X, C1), C2) -> (shl X, (C2-C1)) if C1 <= C2 define <4 x i32> @combine_vec_shl_ge_ashr_extact0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_ge_ashr_extact0: ; SSE: # %bb.0: ; SSE-NEXT: pslld $2, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_ge_ashr_extact0: ; AVX: # %bb.0: ; AVX-NEXT: vpslld $2, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = ashr exact <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_ge_ashr_extact1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_ge_ashr_extact1: ; SSE: # %bb.0: ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: psrad $8, %xmm1 ; SSE-NEXT: movdqa %xmm0, %xmm2 ; SSE-NEXT: psrad $4, %xmm2 ; SSE-NEXT: pblendw {{.*#+}} xmm2 = xmm2[0,1,2,3],xmm1[4,5,6,7] ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: psrad $5, %xmm1 ; SSE-NEXT: psrad $3, %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: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_ge_ashr_extact1: ; AVX: # %bb.0: ; AVX-NEXT: vpsravd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: vpsllvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = ashr exact <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl (sr[la] exact X, C1), C2) -> (sr[la] X, (C2-C1)) if C1 > C2 define <4 x i32> @combine_vec_shl_lt_ashr_extact0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_lt_ashr_extact0: ; SSE: # %bb.0: ; SSE-NEXT: psrad $2, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_lt_ashr_extact0: ; AVX: # %bb.0: ; AVX-NEXT: vpsrad $2, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = ashr exact <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_lt_ashr_extact1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_lt_ashr_extact1: ; SSE: # %bb.0: ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: psrad $8, %xmm1 ; SSE-NEXT: movdqa %xmm0, %xmm2 ; SSE-NEXT: psrad $6, %xmm2 ; SSE-NEXT: pblendw {{.*#+}} xmm2 = xmm2[0,1,2,3],xmm1[4,5,6,7] ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: psrad $7, %xmm1 ; SSE-NEXT: psrad $5, %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: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_lt_ashr_extact1: ; AVX: # %bb.0: ; AVX-NEXT: vpsravd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: vpsllvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = ashr exact <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl (srl x, c1), c2) -> (and (shl x, (sub c2, c1), MASK) if C2 > C1 define <4 x i32> @combine_vec_shl_gt_lshr0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_gt_lshr0: ; SSE: # %bb.0: ; SSE-NEXT: pslld $2, %xmm0 ; SSE-NEXT: pand {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_gt_lshr0: ; AVX: # %bb.0: ; AVX-NEXT: vpbroadcastd {{.*#+}} xmm1 = [4294967264,4294967264,4294967264,4294967264] ; AVX-NEXT: vpslld $2, %xmm0, %xmm0 ; AVX-NEXT: vpand %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = lshr <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_gt_lshr1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_gt_lshr1: ; SSE: # %bb.0: ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: psrld $8, %xmm1 ; SSE-NEXT: movdqa %xmm0, %xmm2 ; SSE-NEXT: psrld $4, %xmm2 ; SSE-NEXT: pblendw {{.*#+}} xmm2 = xmm2[0,1,2,3],xmm1[4,5,6,7] ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: psrld $5, %xmm1 ; SSE-NEXT: psrld $3, %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: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_gt_lshr1: ; AVX: # %bb.0: ; AVX-NEXT: vpsrlvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: vpsllvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = lshr <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl (srl x, c1), c2) -> (and (srl x, (sub c1, c2), MASK) if C1 >= C2 define <4 x i32> @combine_vec_shl_le_lshr0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_le_lshr0: ; SSE: # %bb.0: ; SSE-NEXT: psrld $2, %xmm0 ; SSE-NEXT: pand {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_le_lshr0: ; AVX: # %bb.0: ; AVX-NEXT: vpbroadcastd {{.*#+}} xmm1 = [1073741816,1073741816,1073741816,1073741816] ; AVX-NEXT: vpsrld $2, %xmm0, %xmm0 ; AVX-NEXT: vpand %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = lshr <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_le_lshr1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_le_lshr1: ; SSE: # %bb.0: ; SSE-NEXT: movdqa %xmm0, %xmm1 ; SSE-NEXT: psrld $8, %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 $7, %xmm1 ; SSE-NEXT: psrld $5, %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: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_le_lshr1: ; AVX: # %bb.0: ; AVX-NEXT: vpsrlvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: vpsllvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = lshr <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl (sra x, c1), c1) -> (and x, (shl -1, c1)) define <4 x i32> @combine_vec_shl_ashr0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_ashr0: ; SSE: # %bb.0: ; SSE-NEXT: andps {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_ashr0: ; AVX: # %bb.0: ; AVX-NEXT: vbroadcastss {{.*#+}} xmm1 = [4294967264,4294967264,4294967264,4294967264] ; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = ashr <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_ashr1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_ashr1: ; SSE: # %bb.0: ; SSE-NEXT: andps {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_ashr1: ; AVX: # %bb.0: ; AVX-NEXT: vandps {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = ashr <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl (add x, c1), c2) -> (add (shl x, c2), c1 << c2) define <4 x i32> @combine_vec_shl_add0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_add0: ; SSE: # %bb.0: ; SSE-NEXT: pslld $2, %xmm0 ; SSE-NEXT: paddd {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_add0: ; AVX: # %bb.0: ; AVX-NEXT: vpslld $2, %xmm0, %xmm0 ; AVX-NEXT: vpbroadcastd {{.*#+}} xmm1 = [20,20,20,20] ; AVX-NEXT: vpaddd %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = add <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_add1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_add1: ; SSE: # %bb.0: ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: paddd {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_add1: ; AVX: # %bb.0: ; AVX-NEXT: vpsllvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: vpaddd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = add <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl (or x, c1), c2) -> (or (shl x, c2), c1 << c2) define <4 x i32> @combine_vec_shl_or0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_or0: ; SSE: # %bb.0: ; SSE-NEXT: pslld $2, %xmm0 ; SSE-NEXT: por {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_or0: ; AVX: # %bb.0: ; AVX-NEXT: vpslld $2, %xmm0, %xmm0 ; AVX-NEXT: vpbroadcastd {{.*#+}} xmm1 = [20,20,20,20] ; AVX-NEXT: vpor %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = or <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_or1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_or1: ; SSE: # %bb.0: ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: por {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_or1: ; AVX: # %bb.0: ; AVX-NEXT: vpsllvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: vpor {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = or <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } ; fold (shl (mul x, c1), c2) -> (mul x, c1 << c2) define <4 x i32> @combine_vec_shl_mul0(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_mul0: ; SSE: # %bb.0: ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_mul0: ; AVX: # %bb.0: ; AVX-NEXT: vpbroadcastd {{.*#+}} xmm1 = [20,20,20,20] ; AVX-NEXT: vpmulld %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %1 = mul <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 } define <4 x i32> @combine_vec_shl_mul1(<4 x i32> %x) { ; SSE-LABEL: combine_vec_shl_mul1: ; SSE: # %bb.0: ; SSE-NEXT: pmulld {{.*}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_vec_shl_mul1: ; AVX: # %bb.0: ; AVX-NEXT: vpmulld {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %1 = mul <4 x i32> %x, %2 = shl <4 x i32> %1, ret <4 x i32> %2 }