; 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 ; 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=+avx512f | FileCheck %s --check-prefixes=AVX,AVX512 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw | FileCheck %s --check-prefixes=AVX,AVX512 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512dq | FileCheck %s --check-prefixes=AVX,AVX512 ; AVX1 has support for 256-bit bitwise logic because the FP variants were included. ; If using those ops requires extra insert/extract though, it's probably not worth it. define <8 x i32> @PR32790(<8 x i32> %a, <8 x i32> %b, <8 x i32> %c, <8 x i32> %d) { ; SSE-LABEL: PR32790: ; SSE: # %bb.0: ; SSE-NEXT: paddd %xmm2, %xmm0 ; SSE-NEXT: paddd %xmm3, %xmm1 ; SSE-NEXT: pand %xmm5, %xmm1 ; SSE-NEXT: pand %xmm4, %xmm0 ; SSE-NEXT: psubd %xmm6, %xmm0 ; SSE-NEXT: psubd %xmm7, %xmm1 ; SSE-NEXT: retq ; ; AVX1-LABEL: PR32790: ; AVX1: # %bb.0: ; AVX1-NEXT: vpaddd %xmm1, %xmm0, %xmm4 ; AVX1-NEXT: vextractf128 $1, %ymm1, %xmm1 ; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm0 ; AVX1-NEXT: vpaddd %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vextractf128 $1, %ymm2, %xmm1 ; AVX1-NEXT: vpand %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vextractf128 $1, %ymm3, %xmm1 ; AVX1-NEXT: vpsubd %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vpand %xmm2, %xmm4, %xmm1 ; AVX1-NEXT: vpsubd %xmm3, %xmm1, %xmm1 ; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm1, %ymm0 ; AVX1-NEXT: retq ; ; AVX2-LABEL: PR32790: ; AVX2: # %bb.0: ; AVX2-NEXT: vpaddd %ymm1, %ymm0, %ymm0 ; AVX2-NEXT: vpand %ymm2, %ymm0, %ymm0 ; AVX2-NEXT: vpsubd %ymm3, %ymm0, %ymm0 ; AVX2-NEXT: retq ; ; AVX512-LABEL: PR32790: ; AVX512: # %bb.0: ; AVX512-NEXT: vpaddd %ymm1, %ymm0, %ymm0 ; AVX512-NEXT: vpand %ymm2, %ymm0, %ymm0 ; AVX512-NEXT: vpsubd %ymm3, %ymm0, %ymm0 ; AVX512-NEXT: retq %add = add <8 x i32> %a, %b %and = and <8 x i32> %add, %c %sub = sub <8 x i32> %and, %d ret <8 x i32> %sub } ; In a more extreme case, even the later AVX targets should avoid extract/insert just ; because 256-bit ops are supported. define <4 x i32> @do_not_use_256bit_op(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c, <4 x i32> %d) { ; SSE-LABEL: do_not_use_256bit_op: ; SSE: # %bb.0: ; SSE-NEXT: pand %xmm2, %xmm0 ; SSE-NEXT: pand %xmm3, %xmm1 ; SSE-NEXT: psubd %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: do_not_use_256bit_op: ; AVX: # %bb.0: ; AVX-NEXT: vpand %xmm2, %xmm0, %xmm0 ; AVX-NEXT: vpand %xmm3, %xmm1, %xmm1 ; AVX-NEXT: vpsubd %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %concat1 = shufflevector <4 x i32> %a, <4 x i32> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7> %concat2 = shufflevector <4 x i32> %c, <4 x i32> %d, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7> %and = and <8 x i32> %concat1, %concat2 %extract1 = shufflevector <8 x i32> %and, <8 x i32> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3> %extract2 = shufflevector <8 x i32> %and, <8 x i32> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7> %sub = sub <4 x i32> %extract1, %extract2 ret <4 x i32> %sub } ; When extracting from a vector binop, the source width should be a multiple of the destination width. ; https://bugs.llvm.org/show_bug.cgi?id=39511 define <3 x float> @PR39511(<4 x float> %t0, ptr %b) { ; SSE-LABEL: PR39511: ; SSE: # %bb.0: ; SSE-NEXT: addps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: PR39511: ; AVX: # %bb.0: ; AVX-NEXT: vaddps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: retq %add = fadd <4 x float> %t0, <float 1.0, float 2.0, float 3.0, float 4.0> %ext = shufflevector <4 x float> %add, <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 2> ret <3 x float> %ext } ; When extracting from a vector binop, we need to be extracting ; by a width of at least 1 of the original vector elements. ; https://bugs.llvm.org/show_bug.cgi?id=39893 define <2 x i8> @PR39893(<2 x i32> %x, <8 x i8> %y) { ; SSE-LABEL: PR39893: ; SSE: # %bb.0: ; SSE-NEXT: pxor %xmm2, %xmm2 ; SSE-NEXT: psubd %xmm0, %xmm2 ; SSE-NEXT: psrld $16, %xmm2 ; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,1,1] ; SSE-NEXT: punpcklbw {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3],xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7] ; SSE-NEXT: movdqa %xmm2, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: PR39893: ; AVX: # %bb.0: ; AVX-NEXT: vpxor %xmm2, %xmm2, %xmm2 ; AVX-NEXT: vpsubd %xmm0, %xmm2, %xmm0 ; AVX-NEXT: vpsrld $16, %xmm0, %xmm0 ; AVX-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1] ; AVX-NEXT: vpunpcklbw {{.*#+}} 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] ; AVX-NEXT: retq %sub = sub <2 x i32> <i32 0, i32 undef>, %x %bc = bitcast <2 x i32> %sub to <8 x i8> %shuffle = shufflevector <8 x i8> %y, <8 x i8> %bc, <2 x i32> <i32 10, i32 4> ret <2 x i8> %shuffle } define <2 x i8> @PR39893_2(<2 x float> %x) { ; SSE-LABEL: PR39893_2: ; SSE: # %bb.0: ; SSE-NEXT: xorps %xmm1, %xmm1 ; SSE-NEXT: subps %xmm0, %xmm1 ; SSE-NEXT: movaps %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: PR39893_2: ; AVX: # %bb.0: ; AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1 ; AVX-NEXT: vsubps %xmm0, %xmm1, %xmm0 ; AVX-NEXT: retq %fsub = fsub <2 x float> zeroinitializer, %x %bc = bitcast <2 x float> %fsub to <8 x i8> %shuffle = shufflevector <8 x i8> %bc, <8 x i8> undef, <2 x i32> <i32 0, i32 1> ret <2 x i8> %shuffle } define <4 x double> @fmul_v2f64(<2 x double> %x, <2 x double> %y) { ; SSE-LABEL: fmul_v2f64: ; SSE: # %bb.0: ; SSE-NEXT: movapd %xmm1, %xmm2 ; SSE-NEXT: unpcklpd {{.*#+}} xmm2 = xmm2[0],xmm0[0] ; SSE-NEXT: mulpd %xmm2, %xmm2 ; SSE-NEXT: mulpd %xmm1, %xmm1 ; SSE-NEXT: addpd %xmm1, %xmm2 ; SSE-NEXT: unpckhpd {{.*#+}} xmm2 = xmm2[1,1] ; SSE-NEXT: movapd %xmm2, %xmm0 ; SSE-NEXT: retq ; ; AVX1-LABEL: fmul_v2f64: ; AVX1: # %bb.0: ; AVX1-NEXT: vunpcklpd {{.*#+}} xmm2 = xmm1[0],xmm0[0] ; AVX1-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1] ; AVX1-NEXT: vmulpd %xmm0, %xmm0, %xmm0 ; AVX1-NEXT: vmulpd %xmm2, %xmm2, %xmm1 ; AVX1-NEXT: vaddpd %xmm0, %xmm1, %xmm0 ; AVX1-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0] ; AVX1-NEXT: retq ; ; AVX2-LABEL: fmul_v2f64: ; AVX2: # %bb.0: ; AVX2-NEXT: vunpcklpd {{.*#+}} xmm2 = xmm1[0],xmm0[0] ; AVX2-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1] ; AVX2-NEXT: vmulpd %xmm0, %xmm0, %xmm0 ; AVX2-NEXT: vmulpd %xmm2, %xmm2, %xmm1 ; AVX2-NEXT: vaddpd %xmm0, %xmm1, %xmm0 ; AVX2-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0] ; AVX2-NEXT: retq ; ; AVX512-LABEL: fmul_v2f64: ; AVX512: # %bb.0: ; AVX512-NEXT: vunpckhpd {{.*#+}} xmm2 = xmm0[1],xmm1[1] ; AVX512-NEXT: vunpcklpd {{.*#+}} xmm0 = xmm1[0],xmm0[0] ; AVX512-NEXT: vmulpd %xmm0, %xmm0, %xmm0 ; AVX512-NEXT: vfmadd231pd {{.*#+}} xmm0 = (xmm2 * xmm2) + xmm0 ; AVX512-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0] ; AVX512-NEXT: retq %s = shufflevector <2 x double> %x, <2 x double> %y, <4 x i32> <i32 2, i32 0, i32 1, i32 3> %bo = fmul fast <4 x double> %s, %s %ext = shufflevector <4 x double> %bo, <4 x double> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef> %add = fadd fast <4 x double> %bo, %ext %rdx = shufflevector <4 x double> %add, <4 x double> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef> ret <4 x double> %rdx }