; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core2 | FileCheck %s --check-prefix=CORE2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=nehalem | FileCheck %s --check-prefix=NEHALEM ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=btver2 | FileCheck %s --check-prefix=BTVER2 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) define void @copy16bytes(i8* nocapture %a, i8* nocapture readonly %b) { call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 16, i32 1, i1 false) ret void ; CHECK-LABEL: copy16bytes ; CORE2: movq ; CORE2-NEXT: movq ; CORE2-NEXT: movq ; CORE2-NEXT: movq ; CORE2-NEXT: retq ; NEHALEM: movups ; NEHALEM-NEXT: movups ; NEHALEM-NEXT: retq ; BTVER2: movups ; BTVER2-NEXT: movups ; BTVER2-NEXT: retq }