Function rustc_llvm_proxy::proxy::LLVMBuildAtomicRMW

#[no_mangle]
pub unsafe extern "C" fn LLVMBuildAtomicRMW(
    B: LLVMBuilderRef,
    op: LLVMAtomicRMWBinOp,
    PTR: LLVMValueRef,
    Val: LLVMValueRef,
    ordering: LLVMAtomicOrdering,
    singleThread: LLVMBool
) -> LLVMValueRef