1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=haswell -mattr=prefer-128-bit | FileCheck %s 3; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=znver1 -mattr=prefer-128-bit | FileCheck %s 4; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=avx2,+prefer-128-bit,+allow-light-256-bit | FileCheck %s 5; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=avx2,+prefer-128-bit,-allow-light-256-bit | FileCheck %s --check-prefixes=NO256 6 7declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind 8 9define void @test1(ptr %a, ptr %b) nounwind { 10; CHECK-LABEL: test1: 11; CHECK: # %bb.0: 12; CHECK-NEXT: vmovups (%rsi), %ymm0 13; CHECK-NEXT: vmovups %ymm0, (%rdi) 14; CHECK-NEXT: vzeroupper 15; CHECK-NEXT: retq 16; 17; NO256-LABEL: test1: 18; NO256: # %bb.0: 19; NO256-NEXT: vmovups (%rsi), %xmm0 20; NO256-NEXT: vmovups 16(%rsi), %xmm1 21; NO256-NEXT: vmovups %xmm1, 16(%rdi) 22; NO256-NEXT: vmovups %xmm0, (%rdi) 23; NO256-NEXT: retq 24 tail call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 32, i1 0 ) 25 ret void 26} 27