forked from OSchip/llvm-project
23 lines
795 B
LLVM
23 lines
795 B
LLVM
|
; 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}
|