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 11 define <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
