; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,+avx512bw,+avx512vl | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 ; This matter of this test is ensuring that vpackus* is not used for umin+trunc combination, since vpackus* input is a signed number. define <16 x i8> @usat_trunc_wb_256(<16 x i16> %i) { ; AVX-LABEL: usat_trunc_wb_256: ; AVX: # %bb.0: ; AVX-NEXT: vextractf128 $1, %ymm0, %xmm1 ; AVX-NEXT: vmovdqa {{.*#+}} xmm2 = [255,255,255,255,255,255,255,255] ; AVX-NEXT: vpminuw %xmm2, %xmm1, %xmm1 ; AVX-NEXT: vpminuw %xmm2, %xmm0, %xmm0 ; AVX-NEXT: vpackuswb %xmm1, %xmm0, %xmm0 ; AVX-NEXT: vzeroupper ; AVX-NEXT: retq ; ; AVX512-LABEL: usat_trunc_wb_256: ; AVX512: # %bb.0: ; AVX512-NEXT: vpmovuswb %ymm0, %xmm0 ; AVX512-NEXT: vzeroupper ; AVX512-NEXT: retq %x3 = icmp ult <16 x i16> %i, %x5 = select <16 x i1> %x3, <16 x i16> %i, <16 x i16> %x6 = trunc <16 x i16> %x5 to <16 x i8> ret <16 x i8> %x6 } define <8 x i16> @usat_trunc_dw_256(<8 x i32> %i) { ; AVX-LABEL: usat_trunc_dw_256: ; AVX: # %bb.0: ; AVX-NEXT: vextractf128 $1, %ymm0, %xmm1 ; AVX-NEXT: vmovdqa {{.*#+}} xmm2 = [65535,65535,65535,65535] ; AVX-NEXT: vpminud %xmm2, %xmm1, %xmm1 ; AVX-NEXT: vpminud %xmm2, %xmm0, %xmm0 ; AVX-NEXT: vpackusdw %xmm1, %xmm0, %xmm0 ; AVX-NEXT: vzeroupper ; AVX-NEXT: retq ; ; AVX512-LABEL: usat_trunc_dw_256: ; AVX512: # %bb.0: ; AVX512-NEXT: vpmovusdw %ymm0, %xmm0 ; AVX512-NEXT: vzeroupper ; AVX512-NEXT: retq %x3 = icmp ult <8 x i32> %i, %x5 = select <8 x i1> %x3, <8 x i32> %i, <8 x i32> %x6 = trunc <8 x i32> %x5 to <8 x i16> ret <8 x i16> %x6 }