blob: 911d3caa29afe2b7ab635ee7e5637d56db77a0f4 [file] [log] [blame]
; RUN: opt -S < %s
; This file contains TBAA metadata that is okay and should pass the verifier.
declare void @callee()
declare void @llvm.va_start(i8*) nounwind
define void @f_0(i8* %ptr, ...) {
%args = alloca i8, align 8
call void @llvm.va_start(i8* %args)
%old = atomicrmw add i8* %ptr, i8 0 seq_cst, !tbaa !{!1, !1, i64 0}
%pair = cmpxchg i8* %ptr, i8 0, i8 1 acquire acquire, !tbaa !{!1, !1, i64 0}
%ld = load i8, i8* %ptr, !tbaa !{!1, !1, i64 0}
store i8 1, i8* %ptr, !tbaa !{!1, !1, i64 0}
call void @callee(), !tbaa !{!1, !1, i64 0}
%argval = va_arg i8* %args, i8, !tbaa !{!1, !1, i64 0}
ret void
}
!0 = !{!"root"}
!1 = !{!"scalar-a", !0}