pub unsafe extern "C" fn LLVMBuildAtomicCmpXchg(
B: LLVMBuilderRef,
Ptr: LLVMValueRef,
Cmp: LLVMValueRef,
New: LLVMValueRef,
SuccessOrdering: LLVMAtomicOrdering,
FailureOrdering: LLVMAtomicOrdering,
SingleThread: LLVMBool,
) -> LLVMValueRef