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