xref: /llvm-project/llvm/test/Transforms/EarlyCSE/noalias-addrspace.ll (revision 4028bb10c3a396023b877d025c5776d207f29f91)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2; RUN: opt -passes='early-cse<memssa>' -S < %s | FileCheck %s
3
4declare void @use(i1)
5declare void @use.ptr(ptr) memory(read)
6
7define void @load_first_noalias_addrspace(ptr %p) {
8; CHECK-LABEL: define void @load_first_noalias_addrspace(
9; CHECK-SAME: ptr [[P:%.*]]) {
10; CHECK-NEXT:    [[V1:%.*]] = load ptr, ptr [[P]], align 8, !nonnull [[META0:![0-9]+]], !noundef [[META0]], !noalias.addrspace [[META1:![0-9]+]]
11; CHECK-NEXT:    call void @use.ptr(ptr [[V1]])
12; CHECK-NEXT:    call void @use.ptr(ptr [[V1]])
13; CHECK-NEXT:    ret void
14;
15  %v1 = load ptr, ptr %p, !nonnull !{}, !noundef !{}, !noalias.addrspace !0
16  call void @use.ptr(ptr %v1)
17  %v2 = load ptr, ptr %p
18  call void @use.ptr(ptr %v2)
19  ret void
20}
21
22define void @load_both_same_noalias_addrspace(ptr %p) {
23; CHECK-LABEL: define void @load_both_same_noalias_addrspace(
24; CHECK-SAME: ptr [[P:%.*]]) {
25; CHECK-NEXT:    [[V1:%.*]] = load ptr, ptr [[P]], align 8, !nonnull [[META0]], !noundef [[META0]], !noalias.addrspace [[META1]]
26; CHECK-NEXT:    call void @use.ptr(ptr [[V1]])
27; CHECK-NEXT:    call void @use.ptr(ptr [[V1]])
28; CHECK-NEXT:    ret void
29;
30  %v1 = load ptr, ptr %p, !nonnull !{}, !noundef !{}, !noalias.addrspace !0
31  call void @use.ptr(ptr %v1)
32  %v2 = load ptr, ptr %p, !noalias.addrspace !0
33  call void @use.ptr(ptr %v2)
34  ret void
35}
36
37define void @load_both_disjoint_noalias_addrspace(ptr %p) {
38; CHECK-LABEL: define void @load_both_disjoint_noalias_addrspace(
39; CHECK-SAME: ptr [[P:%.*]]) {
40; CHECK-NEXT:    [[V1:%.*]] = load ptr, ptr [[P]], align 8, !nonnull [[META0]], !noundef [[META0]], !noalias.addrspace [[META1]]
41; CHECK-NEXT:    call void @use.ptr(ptr [[V1]])
42; CHECK-NEXT:    call void @use.ptr(ptr [[V1]])
43; CHECK-NEXT:    ret void
44;
45  %v1 = load ptr, ptr %p, !nonnull !{}, !noundef !{}, !noalias.addrspace !0
46  call void @use.ptr(ptr %v1)
47  %v2 = load ptr, ptr %p, !noalias.addrspace !1
48  call void @use.ptr(ptr %v2)
49  ret void
50}
51
52define void @load_both_overlap_noalias_addrspace(ptr %p) {
53; CHECK-LABEL: define void @load_both_overlap_noalias_addrspace(
54; CHECK-SAME: ptr [[P:%.*]]) {
55; CHECK-NEXT:    [[V1:%.*]] = load ptr, ptr [[P]], align 8, !nonnull [[META0]], !noundef [[META0]], !noalias.addrspace [[META1]]
56; CHECK-NEXT:    call void @use.ptr(ptr [[V1]])
57; CHECK-NEXT:    call void @use.ptr(ptr [[V1]])
58; CHECK-NEXT:    ret void
59;
60  %v1 = load ptr, ptr %p, !nonnull !{}, !noundef !{}, !noalias.addrspace !0
61  call void @use.ptr(ptr %v1)
62  %v2 = load ptr, ptr %p, !noalias.addrspace !2
63  call void @use.ptr(ptr %v2)
64  ret void
65}
66
67!0 = !{i32 5, i32 6}
68!1 = !{i32 7, i32 8}
69!2 = !{i32 5, i32 7}
70;.
71; CHECK: [[META0]] = !{}
72; CHECK: [[META1]] = !{i32 5, i32 6}
73;.
74