[llvm] [XCOFF] Use RLDs to print branches even without -r (PR #74342)

[via llvm-commits]

EsmeYi wrote:

The improved behavior in this patch looks reasonable. However, I get some concern on the fact that the system `objdump` also prints the local function as the original behavior in `llvm-objdump`.

https://github.com/llvm/llvm-project/pull/74342