; RUN: opt -mtriple=amdgcn-amd-amdhsa -basic-aa -scoped-noalias-aa -load-store-vectorizer -S -o - %s | FileCheck -check-prefix=SCOPE -check-prefix=ALL %s ; RUN: opt -mtriple=amdgcn-amd-amdhsa -basic-aa -load-store-vectorizer -S -o - %s | FileCheck -check-prefix=NOSCOPE -check-prefix=ALL %s target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5" ; This fails to vectorize if the !alias.scope is not used ; ALL-LABEL: @vectorize_alias_scope( ; SCOPE: load float, float addrspace(1)* %c ; SCOPE: bitcast float addrspace(1)* %a to <2 x float> addrspace(1)* ; SCOPE: store <2 x float> zeroinitializer ; SCOPE: store float %ld.c, float addrspace(1)* %b, ; NOSCOPE: store float ; NOSCOPE: load float ; NOSCOPE: store float ; NOSCOPE: store float define amdgpu_kernel void @vectorize_alias_scope(float addrspace(1)* nocapture %a, float addrspace(1)* nocapture %b, float addrspace(1)* nocapture readonly %c) #0 { entry: %a.idx.1 = getelementptr inbounds float, float addrspace(1)* %a, i64 1 store float 0.0, float addrspace(1)* %a, align 4, !noalias !0 %ld.c = load float, float addrspace(1)* %c, align 4, !alias.scope !0 store float 0.0, float addrspace(1)* %a.idx.1, align 4, !noalias !0 store float %ld.c, float addrspace(1)* %b, align 4, !noalias !0 ret void } attributes #0 = { nounwind } !0 = !{!1} !1 = distinct !{!1, !2, !"some scope"} !2 = distinct !{!2, !"some domain"}