; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl,+prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX256 --check-prefix=AVX256NOBW ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl,-prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512NOBW --check-prefix=AVX512VL ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,+prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512NOBW --check-prefix=AVX512F ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,-prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512NOBW --check-prefix=AVX512F ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512BW ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,-prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512BW ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+avx512vl,+prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX256 --check-prefix=AVX256BWVL ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+avx512vl,-prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX256 --check-prefix=AVX512BWVL define <16 x i8> @testv16i16_trunc_v16i8(<16 x i16> %x) { ; AVX256NOBW-LABEL: testv16i16_trunc_v16i8: ; AVX256NOBW: # %bb.0: ; AVX256NOBW-NEXT: vextracti128 $1, %ymm0, %xmm1 ; AVX256NOBW-NEXT: vmovdqa {{.*#+}} xmm2 = <0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u> ; AVX256NOBW-NEXT: vpshufb %xmm2, %xmm1, %xmm1 ; AVX256NOBW-NEXT: vpshufb %xmm2, %xmm0, %xmm0 ; AVX256NOBW-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] ; AVX256NOBW-NEXT: vzeroupper ; AVX256NOBW-NEXT: retq ; ; AVX512NOBW-LABEL: testv16i16_trunc_v16i8: ; AVX512NOBW: # %bb.0: ; AVX512NOBW-NEXT: vpmovsxwd %ymm0, %zmm0 ; AVX512NOBW-NEXT: vpmovdb %zmm0, %xmm0 ; AVX512NOBW-NEXT: vzeroupper ; AVX512NOBW-NEXT: retq ; ; AVX512BW-LABEL: testv16i16_trunc_v16i8: ; AVX512BW: # %bb.0: ; AVX512BW-NEXT: # kill: def $ymm0 killed $ymm0 def $zmm0 ; AVX512BW-NEXT: vpmovwb %zmm0, %ymm0 ; AVX512BW-NEXT: # kill: def $xmm0 killed $xmm0 killed $ymm0 ; AVX512BW-NEXT: vzeroupper ; AVX512BW-NEXT: retq ; ; AVX256BWVL-LABEL: testv16i16_trunc_v16i8: ; AVX256BWVL: # %bb.0: ; AVX256BWVL-NEXT: vpmovwb %ymm0, %xmm0 ; AVX256BWVL-NEXT: vzeroupper ; AVX256BWVL-NEXT: retq ; ; AVX512BWVL-LABEL: testv16i16_trunc_v16i8: ; AVX512BWVL: # %bb.0: ; AVX512BWVL-NEXT: vpmovwb %ymm0, %xmm0 ; AVX512BWVL-NEXT: vzeroupper ; AVX512BWVL-NEXT: retq %trunc = trunc <16 x i16> %x to <16 x i8> ret <16 x i8> %trunc }