; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefixes=SSE ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefixes=AVX ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=AVX declare <8 x i16> @llvm.x86.sse2.packssdw.128(<4 x i32>, <4 x i32>) define <8 x i16> @combine_packss_v4i32_signsplat(<4 x i32> %a0, <4 x i32> %a1) { ; SSE-LABEL: combine_packss_v4i32_signsplat: ; SSE: # %bb.0: ; SSE-NEXT: pcmpgtd %xmm1, %xmm0 ; SSE-NEXT: pcmpeqd %xmm1, %xmm1 ; SSE-NEXT: packssdw %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_packss_v4i32_signsplat: ; AVX: # %bb.0: ; AVX-NEXT: vpcmpgtd %xmm1, %xmm0, %xmm0 ; AVX-NEXT: vpcmpeqd %xmm1, %xmm1, %xmm1 ; AVX-NEXT: vpackssdw %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %cmp = icmp sgt <4 x i32> %a0, %a1 %ext = sext <4 x i1> %cmp to <4 x i32> %pack = call <8 x i16> @llvm.x86.sse2.packssdw.128(<4 x i32> %ext, <4 x i32> splat (i32 -1)) %signsplat = ashr <8 x i16> %pack, splat (i16 15) ret <8 x i16> %signsplat } define <8 x i16> @combine_packss_v4i32_freeze_signsplat(<4 x i32> %a0, <4 x i32> %a1) { ; SSE-LABEL: combine_packss_v4i32_freeze_signsplat: ; SSE: # %bb.0: ; SSE-NEXT: pcmpgtd %xmm1, %xmm0 ; SSE-NEXT: pcmpeqd %xmm1, %xmm1 ; SSE-NEXT: packssdw %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: combine_packss_v4i32_freeze_signsplat: ; AVX: # %bb.0: ; AVX-NEXT: vpcmpgtd %xmm1, %xmm0, %xmm0 ; AVX-NEXT: vpcmpeqd %xmm1, %xmm1, %xmm1 ; AVX-NEXT: vpackssdw %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %cmp = icmp sgt <4 x i32> %a0, %a1 %ext = sext <4 x i1> %cmp to <4 x i32> %pack = call <8 x i16> @llvm.x86.sse2.packssdw.128(<4 x i32> %ext, <4 x i32> splat (i32 -1)) %freeze = freeze <8 x i16> %pack %signsplat = ashr <8 x i16> %freeze, splat (i16 15) ret <8 x i16> %signsplat }