1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl,+prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX256 --check-prefix=AVX256NOBW 3; 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 4; 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 5; 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 6; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512BW 7; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,-prefer-256-bit | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512BW 8; 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 9; 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 10 11define <16 x i8> @testv16i16_trunc_v16i8(<16 x i16> %x) { 12; AVX256NOBW-LABEL: testv16i16_trunc_v16i8: 13; AVX256NOBW: # %bb.0: 14; AVX256NOBW-NEXT: vextracti128 $1, %ymm0, %xmm1 15; AVX256NOBW-NEXT: vmovdqa {{.*#+}} xmm2 = <0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u> 16; AVX256NOBW-NEXT: vpshufb %xmm2, %xmm1, %xmm1 17; AVX256NOBW-NEXT: vpshufb %xmm2, %xmm0, %xmm0 18; AVX256NOBW-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] 19; AVX256NOBW-NEXT: vzeroupper 20; AVX256NOBW-NEXT: retq 21; 22; AVX512NOBW-LABEL: testv16i16_trunc_v16i8: 23; AVX512NOBW: # %bb.0: 24; AVX512NOBW-NEXT: vpmovsxwd %ymm0, %zmm0 25; AVX512NOBW-NEXT: vpmovdb %zmm0, %xmm0 26; AVX512NOBW-NEXT: vzeroupper 27; AVX512NOBW-NEXT: retq 28; 29; AVX512BW-LABEL: testv16i16_trunc_v16i8: 30; AVX512BW: # %bb.0: 31; AVX512BW-NEXT: # kill: def $ymm0 killed $ymm0 def $zmm0 32; AVX512BW-NEXT: vpmovwb %zmm0, %ymm0 33; AVX512BW-NEXT: # kill: def $xmm0 killed $xmm0 killed $ymm0 34; AVX512BW-NEXT: vzeroupper 35; AVX512BW-NEXT: retq 36; 37; AVX256BWVL-LABEL: testv16i16_trunc_v16i8: 38; AVX256BWVL: # %bb.0: 39; AVX256BWVL-NEXT: vpmovwb %ymm0, %xmm0 40; AVX256BWVL-NEXT: vzeroupper 41; AVX256BWVL-NEXT: retq 42; 43; AVX512BWVL-LABEL: testv16i16_trunc_v16i8: 44; AVX512BWVL: # %bb.0: 45; AVX512BWVL-NEXT: vpmovwb %ymm0, %xmm0 46; AVX512BWVL-NEXT: vzeroupper 47; AVX512BWVL-NEXT: retq 48 %trunc = trunc <16 x i16> %x to <16 x i8> 49 ret <16 x i8> %trunc 50} 51