; RUN: opt < %s -S -basicaa -memcpyopt | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @test(i8* noalias dereferenceable(1) %in, i8* noalias dereferenceable(1) %out) { %tmp = alloca i8 %tmp2 = alloca i8 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %in, i64 1, i1 false) call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* %in, i64 1, i1 false), !alias.scope !4 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp2, i8* %tmp, i64 1, i1 false), !alias.scope !5 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %tmp2, i64 1, i1 false), !noalias !6 ret void } declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i1) !0 = !{!0} !1 = distinct !{!1, !0, !"in"} !2 = distinct !{!2, !0, !"tmp"} !3 = distinct !{!3, !0, !"tmp2"} !4 = distinct !{!1, !2} !5 = distinct !{!2, !3} !6 = distinct !{!1, !2}