xref: /llvm-project/llvm/test/Verifier/tbaa-struct.ll (revision c8e5ad4e123a5fb082355947a896980464689c31) 
1; RUN: llvm-as < %s 2>&1
2
3; FIXME: The verifer should reject the invalid !tbaa.struct nodes below.
4
5define void @test_overlapping_regions(ptr %a1) {
6  %ld = load i8, ptr %a1, align 1, !tbaa.struct !0
7  ret void
8}
9
10define void @test_size_not_integer(ptr %a1) {
11  store i8 1, ptr %a1, align 1, !tbaa.struct !5
12  ret void
13}
14
15define void @test_offset_not_integer(ptr %a1, ptr %a2) {
16  tail call void @llvm.memcpy.p0.p0.i64(ptr align 8 %a1, ptr align 8 %a2, i64 16, i1 false), !tbaa.struct !6
17  ret void
18}
19
20define void @test_tbaa_missing(ptr %a1, ptr %a2) {
21  tail call void @llvm.memcpy.p0.p0.i64(ptr align 8 %a1, ptr align 8 %a2, i64 16, i1 false), !tbaa.struct !7
22  ret void
23}
24
25define void @test_tbaa_invalid(ptr %a1) {
26  store i8 1, ptr %a1, align 1, !tbaa.struct !8
27  ret void
28}
29
30declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind
31
32!0 = !{i64 0, i64 4, !1, i64 1, i64 4, !1}
33!1 = !{!2, !2, i64 0}
34!2 = !{!"int", !3, i64 0}
35!3 = !{!"omnipotent char", !4, i64 0}
36!4 = !{!"Simple C++ TBAA"}
37!5 = !{i64 0, !2, !1}
38!6 = !{!2, i64 0, !1}
39!7 = !{i64 0, i64 4, null}
40!8 = !{i64 0, i64 4, !2}
41