[llvm] Copy flt_scr and Any Remaining Pseudo Op Flags to their Real Counterparts (PR #100187)

[Matin Raayai via llvm-commits]

matinraayai wrote:

> > Let me know what you think
> 
> No strong objections from me but it seems likely to rot if there is no in-tree use for this, and no way to verify it.

Would it help if I contribute tests for these? I should be able to write MIR with real instructions that gets parsed, and each opcode's MCIDs gets checked for correct properties. It can then be passed to the machine verifier for a final verification.

https://github.com/llvm/llvm-project/pull/100187