| Bjorn Steinbrink | 5ec7522 | 2015-02-08 17:07:14 +0000 | [diff] [blame] | 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} |