1; RUN: opt -S < %s
2
3; This file contains TBAA metadata that is okay and should pass the verifier.
4
5declare void @callee()
6declare void @llvm.va_start(i8*) nounwind
7
8define void @f_0(i8* %ptr, ...) {
9  %args = alloca i8, align 8
10  call void @llvm.va_start(i8* %args)
11
12  %old = atomicrmw add i8* %ptr, i8 0 seq_cst,          !tbaa !{!1, !1, i64 0}
13  %pair = cmpxchg i8* %ptr, i8 0, i8 1 acquire acquire, !tbaa !{!1, !1, i64 0}
14  %ld = load i8, i8* %ptr,                              !tbaa !{!1, !1, i64 0}
15  store i8 1, i8* %ptr,                                 !tbaa !{!1, !1, i64 0}
16  call void @callee(),                                  !tbaa !{!1, !1, i64 0}
17  %argval = va_arg i8* %args, i8,                       !tbaa !{!1, !1, i64 0}
18  ret void
19}
20
21!0 = !{!"root"}
22!1 = !{!"scalar-a", !0}
23