1; RUN: opt -basicaa -inline -enable-noalias-to-md-conversion -S < %s | FileCheck %s
2target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
3target triple = "x86_64-unknown-linux-gnu"
4
5declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #0
6declare void @hey() #0
7
8define void @hello(i8* noalias nocapture %a, i8* noalias nocapture readonly %c, i8* nocapture %b) #1 {
9entry:
10  %l = alloca i8, i32 512, align 1
11  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 16, i32 16, i1 0)
12  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %b, i8* %c, i64 16, i32 16, i1 0)
13  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %c, i64 16, i32 16, i1 0)
14  call void @hey()
15  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %l, i8* %c, i64 16, i32 16, i1 0)
16  ret void
17}
18
19define void @foo(i8* nocapture %a, i8* nocapture readonly %c, i8* nocapture %b) #2 {
20entry:
21  tail call void @hello(i8* %a, i8* %c, i8* %b)
22  ret void
23}
24
25; CHECK: define void @foo(i8* nocapture %a, i8* nocapture readonly %c, i8* nocapture %b) #2 {
26; CHECK: entry:
27; CHECK:   call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 16, i32 16, i1 false) #1, !noalias !0
28; CHECK:   call void @llvm.memcpy.p0i8.p0i8.i64(i8* %b, i8* %c, i64 16, i32 16, i1 false) #1, !noalias !3
29; CHECK:   call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %c, i64 16, i32 16, i1 false) #1, !alias.scope !5
30; CHECK:   call void @hey() #1, !noalias !5
31; CHECK:   call void @llvm.memcpy.p0i8.p0i8.i64(i8* %{{.*}}, i8* %c, i64 16, i32 16, i1 false) #1, !noalias !3
32; CHECK:   ret void
33; CHECK: }
34
35attributes #0 = { nounwind argmemonly }
36attributes #1 = { nounwind }
37attributes #2 = { nounwind uwtable }
38
39; CHECK: !0 = !{!1}
40; CHECK: !1 = distinct !{!1, !2, !"hello: %c"}
41; CHECK: !2 = distinct !{!2, !"hello"}
42; CHECK: !3 = !{!4}
43; CHECK: !4 = distinct !{!4, !2, !"hello: %a"}
44; CHECK: !5 = !{!4, !1}
45
46