1 ; RUN: opt -basicaa -inline -enable-noalias-to-md-conversion -S < %s | FileCheck %s
2 target 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"
3 target triple = "x86_64-unknown-linux-gnu"
5 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #0
8 define void @hello(i8* noalias nocapture %a, i8* noalias nocapture readonly %c, i8* nocapture %b) #1 {
10 %l = alloca i8, i32 512, align 1
11 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %a, i8* align 16 %b, i64 16, i1 0)
12 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %b, i8* align 16 %c, i64 16, i1 0)
13 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %a, i8* align 16 %c, i64 16, i1 0)
15 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %l, i8* align 16 %c, i64 16, i1 0)
19 define void @foo(i8* nocapture %a, i8* nocapture readonly %c, i8* nocapture %b) #2 {
21 tail call void @hello(i8* %a, i8* %c, i8* %b)
25 ; CHECK: define void @foo(i8* nocapture %a, i8* nocapture readonly %c, i8* nocapture %b) #2 {
27 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %a, i8* align 16 %b, i64 16, i1 false) #1, !noalias !0
28 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %b, i8* align 16 %c, i64 16, i1 false) #1, !noalias !3
29 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %a, i8* align 16 %c, i64 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* align 16 %{{.*}}, i8* align 16 %c, i64 16, i1 false) #1, !noalias !3
35 attributes #0 = { nounwind argmemonly }
36 attributes #1 = { nounwind }
37 attributes #2 = { nounwind uwtable }
40 ; CHECK: !1 = distinct !{!1, !2, !"hello: %c"}
41 ; CHECK: !2 = distinct !{!2, !"hello"}
43 ; CHECK: !4 = distinct !{!4, !2, !"hello: %a"}
44 ; CHECK: !5 = !{!4, !1}