1 ; RUN: opt < %s -S -basicaa -memcpyopt | FileCheck %s 2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 3 4 define void @test(i8* noalias dereferenceable(1) %in, i8* noalias dereferenceable(1) %out) { 5 %tmp = alloca i8 6 %tmp2 = alloca i8 7 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %in, i64 1, i32 8, i1 false) 8 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* %in, i64 1, i32 8, i1 false), !alias.scope !4 9 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp2, i8* %tmp, i64 1, i32 8, i1 false), !alias.scope !5 10 11 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %tmp2, i64 1, i32 8, i1 false), !noalias !6 12 13 ret void 14 } 15 16 declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1) 17 18 !0 = !{!0} 19 !1 = distinct !{!1, !0, !"in"} 20 !2 = distinct !{!2, !0, !"tmp"} 21 !3 = distinct !{!3, !0, !"tmp2"} 22 !4 = distinct !{!1, !2} 23 !5 = distinct !{!2, !3} 24 !6 = distinct !{!1, !2} 25
