| ; RUN: opt < %s -S -passes=memcpyopt | FileCheck %s |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @test(ptr noalias dereferenceable(1) %in, ptr noalias dereferenceable(1) %out) { |
| %tmp = alloca i8 |
| %tmp2 = alloca i8 |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %out, ptr align 8 %in, i64 1, i1 false) |
| call void @llvm.memcpy.p0.p0.i64(ptr align 8 %tmp, ptr align 8 %in, i64 1, i1 false), !alias.scope !4 |
| call void @llvm.memcpy.p0.p0.i64(ptr align 8 %tmp2, ptr align 8 %tmp, i64 1, i1 false), !alias.scope !5 |
| |
| call void @llvm.memcpy.p0.p0.i64(ptr align 8 %out, ptr align 8 %tmp2, i64 1, i1 false), !noalias !6 |
| |
| ret void |
| } |
| |
| declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, 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} |
