; 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=CHECK,SSE2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,+xop | FileCheck %s --check-prefixes=CHECK,XOP ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK,AVX2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,+avx512vl | FileCheck %s --check-prefixes=CHECK,AVX512 ; fold (rot (rot x, c1), c2) -> rot x, c1+c2 define <4 x i32> @combine_vec_rot_rot(<4 x i32> %x) { ; SSE2-LABEL: combine_vec_rot_rot: ; SSE2: # %bb.0: ; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [524288,131072,32768,8192] ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm1, %xmm0 ; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm0[1,3,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm2, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm1[1,3,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1] ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; SSE2-NEXT: por %xmm3, %xmm0 ; SSE2-NEXT: retq ; ; XOP-LABEL: combine_vec_rot_rot: ; XOP: # %bb.0: ; XOP-NEXT: vprotd {{.*}}(%rip), %xmm0, %xmm0 ; XOP-NEXT: retq ; ; AVX2-LABEL: combine_vec_rot_rot: ; AVX2: # %bb.0: ; AVX2-NEXT: vpsrlvd {{.*}}(%rip), %xmm0, %xmm1 ; AVX2-NEXT: vpsllvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX2-NEXT: vpor %xmm1, %xmm0, %xmm0 ; AVX2-NEXT: retq ; ; AVX512-LABEL: combine_vec_rot_rot: ; AVX512: # %bb.0: ; AVX512-NEXT: vprolvd {{.*}}(%rip), %xmm0, %xmm0 ; AVX512-NEXT: retq %1 = lshr <4 x i32> %x, %2 = shl <4 x i32> %x, %3 = or <4 x i32> %1, %2 %4 = lshr <4 x i32> %3, %5 = shl <4 x i32> %3, %6 = or <4 x i32> %4, %5 ret <4 x i32> %6 } define <4 x i32> @combine_vec_rot_rot_splat(<4 x i32> %x) { ; SSE2-LABEL: combine_vec_rot_rot_splat: ; SSE2: # %bb.0: ; SSE2-NEXT: movdqa %xmm0, %xmm1 ; SSE2-NEXT: psrld $25, %xmm1 ; SSE2-NEXT: pslld $7, %xmm0 ; SSE2-NEXT: por %xmm1, %xmm0 ; SSE2-NEXT: retq ; ; XOP-LABEL: combine_vec_rot_rot_splat: ; XOP: # %bb.0: ; XOP-NEXT: vprotd $7, %xmm0, %xmm0 ; XOP-NEXT: retq ; ; AVX2-LABEL: combine_vec_rot_rot_splat: ; AVX2: # %bb.0: ; AVX2-NEXT: vpsrld $25, %xmm0, %xmm1 ; AVX2-NEXT: vpslld $7, %xmm0, %xmm0 ; AVX2-NEXT: vpor %xmm1, %xmm0, %xmm0 ; AVX2-NEXT: retq ; ; AVX512-LABEL: combine_vec_rot_rot_splat: ; AVX512: # %bb.0: ; AVX512-NEXT: vprold $7, %xmm0, %xmm0 ; AVX512-NEXT: retq %1 = lshr <4 x i32> %x, %2 = shl <4 x i32> %x, %3 = or <4 x i32> %1, %2 %4 = lshr <4 x i32> %3, %5 = shl <4 x i32> %3, %6 = or <4 x i32> %4, %5 ret <4 x i32> %6 } define <4 x i32> @combine_vec_rot_rot_splat_zero(<4 x i32> %x) { ; CHECK-LABEL: combine_vec_rot_rot_splat_zero: ; CHECK: # %bb.0: ; CHECK-NEXT: retq %1 = lshr <4 x i32> %x, %2 = shl <4 x i32> %x, %3 = or <4 x i32> %1, %2 %4 = lshr <4 x i32> %3, %5 = shl <4 x i32> %3, %6 = or <4 x i32> %4, %5 ret <4 x i32> %6 } ; TODO - fold (select (icmp eq c, 0), x, (rot x, c)) -> rot x, c define i32 @combine_rot_select_zero(i32, i32) { ; CHECK-LABEL: combine_rot_select_zero: ; CHECK: # %bb.0: ; CHECK-NEXT: movl %esi, %ecx ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: roll %cl, %eax ; CHECK-NEXT: testl %esi, %esi ; CHECK-NEXT: cmovel %edi, %eax ; CHECK-NEXT: retq %3 = and i32 %1, 31 %4 = shl i32 %0, %3 %5 = sub i32 0, %1 %6 = and i32 %5, 31 %7 = lshr i32 %0, %6 %8 = or i32 %4, %7 %9 = icmp eq i32 %1, 0 %10 = select i1 %9, i32 %0, i32 %8 ret i32 %10 } define <4 x i32> @combine_vec_rot_select_zero(<4 x i32>, <4 x i32>) { ; SSE2-LABEL: combine_vec_rot_select_zero: ; SSE2: # %bb.0: ; SSE2-NEXT: pxor %xmm2, %xmm2 ; SSE2-NEXT: movdqa {{.*#+}} xmm3 = [31,31,31,31] ; SSE2-NEXT: pand %xmm1, %xmm3 ; SSE2-NEXT: pslld $23, %xmm3 ; SSE2-NEXT: paddd {{.*}}(%rip), %xmm3 ; SSE2-NEXT: cvttps2dq %xmm3, %xmm3 ; SSE2-NEXT: movdqa %xmm0, %xmm4 ; SSE2-NEXT: pmuludq %xmm3, %xmm4 ; SSE2-NEXT: pshufd {{.*#+}} xmm5 = xmm4[1,3,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm6 = xmm0[1,1,3,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm3[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm6, %xmm3 ; SSE2-NEXT: pshufd {{.*#+}} xmm6 = xmm3[1,3,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm5 = xmm5[0],xmm6[0],xmm5[1],xmm6[1] ; SSE2-NEXT: pshufd {{.*#+}} xmm4 = xmm4[0,2,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm3[0,2,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm4 = xmm4[0],xmm3[0],xmm4[1],xmm3[1] ; SSE2-NEXT: por %xmm5, %xmm4 ; SSE2-NEXT: pcmpeqd %xmm1, %xmm2 ; SSE2-NEXT: pand %xmm2, %xmm0 ; SSE2-NEXT: pandn %xmm4, %xmm2 ; SSE2-NEXT: por %xmm2, %xmm0 ; SSE2-NEXT: retq ; ; XOP-LABEL: combine_vec_rot_select_zero: ; XOP: # %bb.0: ; XOP-NEXT: vpxor %xmm2, %xmm2, %xmm2 ; XOP-NEXT: vprotd %xmm1, %xmm0, %xmm3 ; XOP-NEXT: vpcomeqd %xmm2, %xmm1, %xmm1 ; XOP-NEXT: vblendvps %xmm1, %xmm0, %xmm3, %xmm0 ; XOP-NEXT: retq ; ; AVX2-LABEL: combine_vec_rot_select_zero: ; AVX2: # %bb.0: ; AVX2-NEXT: vpxor %xmm2, %xmm2, %xmm2 ; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm3 = [31,31,31,31] ; AVX2-NEXT: vpand %xmm3, %xmm1, %xmm3 ; AVX2-NEXT: vpsllvd %xmm3, %xmm0, %xmm4 ; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm5 = [32,32,32,32] ; AVX2-NEXT: vpsubd %xmm3, %xmm5, %xmm3 ; AVX2-NEXT: vpsrlvd %xmm3, %xmm0, %xmm3 ; AVX2-NEXT: vpor %xmm3, %xmm4, %xmm3 ; AVX2-NEXT: vpcmpeqd %xmm2, %xmm1, %xmm1 ; AVX2-NEXT: vblendvps %xmm1, %xmm0, %xmm3, %xmm0 ; AVX2-NEXT: retq ; ; AVX512-LABEL: combine_vec_rot_select_zero: ; AVX512: # %bb.0: ; AVX512-NEXT: vprolvd %xmm1, %xmm0, %xmm2 ; AVX512-NEXT: vptestnmd %xmm1, %xmm1, %k1 ; AVX512-NEXT: vmovdqa32 %xmm0, %xmm2 {%k1} ; AVX512-NEXT: vmovdqa %xmm2, %xmm0 ; AVX512-NEXT: retq %3 = and <4 x i32> %1, %4 = shl <4 x i32> %0, %3 %5 = sub <4 x i32> zeroinitializer, %1 %6 = and <4 x i32> %5, %7 = lshr <4 x i32> %0, %6 %8 = or <4 x i32> %4, %7 %9 = icmp eq <4 x i32> %1, zeroinitializer %10 = select <4 x i1> %9, <4 x i32> %0, <4 x i32> %8 ret <4 x i32> %10 } define <4 x i32> @rotate_demanded_bits(<4 x i32>, <4 x i32>) { ; SSE2-LABEL: rotate_demanded_bits: ; SSE2: # %bb.0: ; SSE2-NEXT: pand {{.*}}(%rip), %xmm1 ; SSE2-NEXT: pslld $23, %xmm1 ; SSE2-NEXT: paddd {{.*}}(%rip), %xmm1 ; SSE2-NEXT: cvttps2dq %xmm1, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm1, %xmm0 ; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm0[1,3,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm2, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm1[1,3,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1] ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; SSE2-NEXT: por %xmm3, %xmm0 ; SSE2-NEXT: retq ; ; XOP-LABEL: rotate_demanded_bits: ; XOP: # %bb.0: ; XOP-NEXT: vpand {{.*}}(%rip), %xmm1, %xmm1 ; XOP-NEXT: vprotd %xmm1, %xmm0, %xmm0 ; XOP-NEXT: retq ; ; AVX2-LABEL: rotate_demanded_bits: ; AVX2: # %bb.0: ; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm2 = [30,30,30,30] ; AVX2-NEXT: vpand %xmm2, %xmm1, %xmm1 ; AVX2-NEXT: vpsllvd %xmm1, %xmm0, %xmm2 ; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm3 = [32,32,32,32] ; AVX2-NEXT: vpsubd %xmm1, %xmm3, %xmm1 ; AVX2-NEXT: vpsrlvd %xmm1, %xmm0, %xmm0 ; AVX2-NEXT: vpor %xmm0, %xmm2, %xmm0 ; AVX2-NEXT: retq ; ; AVX512-LABEL: rotate_demanded_bits: ; AVX512: # %bb.0: ; AVX512-NEXT: vpandd {{.*}}(%rip){1to4}, %xmm1, %xmm1 ; AVX512-NEXT: vprolvd %xmm1, %xmm0, %xmm0 ; AVX512-NEXT: retq %3 = and <4 x i32> %1, %4 = shl <4 x i32> %0, %3 %5 = sub nsw <4 x i32> zeroinitializer, %3 %6 = and <4 x i32> %5, %7 = lshr <4 x i32> %0, %6 %8 = or <4 x i32> %7, %4 ret <4 x i32> %8 } define <4 x i32> @rotate_demanded_bits_2(<4 x i32>, <4 x i32>) { ; SSE2-LABEL: rotate_demanded_bits_2: ; SSE2: # %bb.0: ; SSE2-NEXT: pand {{.*}}(%rip), %xmm1 ; SSE2-NEXT: pslld $23, %xmm1 ; SSE2-NEXT: paddd {{.*}}(%rip), %xmm1 ; SSE2-NEXT: cvttps2dq %xmm1, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm1, %xmm0 ; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm0[1,3,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm2, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm1[1,3,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1] ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; SSE2-NEXT: por %xmm3, %xmm0 ; SSE2-NEXT: retq ; ; XOP-LABEL: rotate_demanded_bits_2: ; XOP: # %bb.0: ; XOP-NEXT: vpand {{.*}}(%rip), %xmm1, %xmm1 ; XOP-NEXT: vprotd %xmm1, %xmm0, %xmm0 ; XOP-NEXT: retq ; ; AVX2-LABEL: rotate_demanded_bits_2: ; AVX2: # %bb.0: ; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm2 = [23,23,23,23] ; AVX2-NEXT: vpand %xmm2, %xmm1, %xmm1 ; AVX2-NEXT: vpsllvd %xmm1, %xmm0, %xmm2 ; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm3 = [32,32,32,32] ; AVX2-NEXT: vpsubd %xmm1, %xmm3, %xmm1 ; AVX2-NEXT: vpsrlvd %xmm1, %xmm0, %xmm0 ; AVX2-NEXT: vpor %xmm0, %xmm2, %xmm0 ; AVX2-NEXT: retq ; ; AVX512-LABEL: rotate_demanded_bits_2: ; AVX512: # %bb.0: ; AVX512-NEXT: vpandd {{.*}}(%rip){1to4}, %xmm1, %xmm1 ; AVX512-NEXT: vprolvd %xmm1, %xmm0, %xmm0 ; AVX512-NEXT: retq %3 = and <4 x i32> %1, %4 = shl <4 x i32> %0, %3 %5 = sub nsw <4 x i32> zeroinitializer, %3 %6 = and <4 x i32> %5, %7 = lshr <4 x i32> %0, %6 %8 = or <4 x i32> %7, %4 ret <4 x i32> %8 } define <4 x i32> @rotate_demanded_bits_3(<4 x i32>, <4 x i32>) { ; SSE2-LABEL: rotate_demanded_bits_3: ; SSE2: # %bb.0: ; SSE2-NEXT: paddd %xmm1, %xmm1 ; SSE2-NEXT: pand {{.*}}(%rip), %xmm1 ; SSE2-NEXT: pslld $23, %xmm1 ; SSE2-NEXT: paddd {{.*}}(%rip), %xmm1 ; SSE2-NEXT: cvttps2dq %xmm1, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm1, %xmm0 ; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm0[1,3,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm2, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm1[1,3,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1] ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; SSE2-NEXT: por %xmm3, %xmm0 ; SSE2-NEXT: retq ; ; XOP-LABEL: rotate_demanded_bits_3: ; XOP: # %bb.0: ; XOP-NEXT: vpaddd %xmm1, %xmm1, %xmm1 ; XOP-NEXT: vprotd %xmm1, %xmm0, %xmm0 ; XOP-NEXT: retq ; ; AVX2-LABEL: rotate_demanded_bits_3: ; AVX2: # %bb.0: ; AVX2-NEXT: vpaddd %xmm1, %xmm1, %xmm1 ; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm2 = [31,31,31,31] ; AVX2-NEXT: vpand %xmm2, %xmm1, %xmm1 ; AVX2-NEXT: vpsllvd %xmm1, %xmm0, %xmm2 ; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm3 = [32,32,32,32] ; AVX2-NEXT: vpsubd %xmm1, %xmm3, %xmm1 ; AVX2-NEXT: vpsrlvd %xmm1, %xmm0, %xmm0 ; AVX2-NEXT: vpor %xmm0, %xmm2, %xmm0 ; AVX2-NEXT: retq ; ; AVX512-LABEL: rotate_demanded_bits_3: ; AVX512: # %bb.0: ; AVX512-NEXT: vpaddd %xmm1, %xmm1, %xmm1 ; AVX512-NEXT: vprolvd %xmm1, %xmm0, %xmm0 ; AVX512-NEXT: retq %3 = shl <4 x i32> %1, %4 = and <4 x i32> %3, %5 = shl <4 x i32> %0, %4 %6 = sub <4 x i32> zeroinitializer, %3 %7 = and <4 x i32> %6, %8 = lshr <4 x i32> %0, %7 %9 = or <4 x i32> %5, %8 ret <4 x i32> %9 } ; OSS Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9935 define i32 @fuzz9935() { ; CHECK-LABEL: fuzz9935: ; CHECK: # %bb.0: ; CHECK-NEXT: movl $-1, %eax ; CHECK-NEXT: retq %1 = trunc i40 549755813887 to i32 %2 = mul i32 %1, %1 %3 = lshr i32 %2, %1 %4 = or i32 %3, %2 ret i32 %4 }