| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-linux -opaque-pointers -mcpu=ivybridge -mattr=+avx2 | FileCheck %s |
| ; RUN: llc < %s -mtriple=x86_64-linux -opaque-pointers -mcpu=haswell | FileCheck %s |
| |
| define <2 x i64> @PR55158(ptr %0) { |
| ; CHECK-LABEL: PR55158: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vpxor %xmm0, %xmm0, %xmm0 |
| ; CHECK-NEXT: vphsubw 64(%rdi), %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %2 = load <16 x i8>, ptr %0, align 16 |
| %3 = getelementptr inbounds i32, ptr %0, i64 16 |
| %4 = load <8 x i16>, ptr %3, align 16 |
| %5 = getelementptr inbounds i32, ptr %0, i64 32 |
| %6 = load <4 x i32>, ptr %5, align 16 |
| %7 = shufflevector <16 x i8> %2, <16 x i8> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3> |
| %8 = sext <4 x i8> %7 to <4 x i32> |
| %9 = icmp sgt <4 x i32> %6, %8 |
| %10 = sext <4 x i1> %9 to <4 x i32> |
| %11 = tail call <8 x i16> @llvm.x86.ssse3.phsub.w.128(<8 x i16> %4, <8 x i16> %4) |
| %12 = bitcast <8 x i16> %11 to <2 x i64> |
| %13 = shufflevector <4 x i32> %10, <4 x i32> poison, <2 x i32> <i32 0, i32 1> |
| %14 = zext <2 x i32> %13 to <2 x i64> |
| %15 = bitcast <8 x i16> %11 to <16 x i8> |
| %16 = icmp ne <16 x i8> %15, zeroinitializer |
| %17 = sext <16 x i1> %16 to <16 x i8> |
| %18 = shufflevector <16 x i8> %17, <16 x i8> poison, <2 x i32> <i32 0, i32 1> |
| %19 = zext <2 x i8> %18 to <2 x i64> |
| %20 = insertelement <2 x i64> %19, i64 0, i64 1 |
| %21 = tail call <2 x i64> @llvm.x86.avx2.psrlv.q(<2 x i64> %20, <2 x i64> %14) |
| %22 = shufflevector <2 x i64> %21, <2 x i64> %12, <2 x i32> <i32 1, i32 3> |
| ret <2 x i64> %22 |
| } |
| declare <8 x i16> @llvm.x86.ssse3.phsub.w.128(<8 x i16>, <8 x i16>) |
| declare <2 x i64> @llvm.x86.avx2.psrlv.q(<2 x i64>, <2 x i64>) |