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1; RUN: opt -mtriple=amdgcn-amd-amdhsa -basicaa -scoped-noalias -load-store-vectorizer -S -o - %s | FileCheck -check-prefix=SCOPE -check-prefix=ALL %s
2; RUN: opt -mtriple=amdgcn-amd-amdhsa -basicaa -load-store-vectorizer -S -o - %s | FileCheck -check-prefix=NOSCOPE -check-prefix=ALL %s
3
4target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-p24:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
5
6; This fails to vectorize if the !alias.scope is not used
7
8; ALL-LABEL: @vectorize_alias_scope(
9; SCOPE: load float, float addrspace(1)* %c
10; SCOPE: bitcast float addrspace(1)* %a to <2 x float> addrspace(1)*
11; SCOPE: store <2 x float> zeroinitializer
12; SCOPE: store float %ld.c, float addrspace(1)* %b,
13
14; NOSCOPE: store float
15; NOSCOPE: load float
16; NOSCOPE: store float
17; NOSCOPE: store float
18define void @vectorize_alias_scope(float addrspace(1)* nocapture %a, float addrspace(1)* nocapture %b, float addrspace(1)* nocapture readonly %c) #0 {
19entry:
20  %a.idx.1 = getelementptr inbounds float, float addrspace(1)* %a, i64 1
21  store float 0.0, float addrspace(1)* %a, align 4, !noalias !0
22  %ld.c = load float, float addrspace(1)* %c, align 4, !alias.scope !0
23  store float 0.0, float addrspace(1)* %a.idx.1, align 4, !noalias !0
24  store float %ld.c, float addrspace(1)* %b, align 4, !noalias !0
25  ret void
26}
27
28attributes #0 = { nounwind }
29
30!0 = !{!1}
31!1 = distinct !{!1, !2, !"some scope"}
32!2 = distinct !{!2, !"some domain"}
33