[llvm] [AArch64] A simple tool for generating a scheduling model draft from a SWOG (PR #131525)

[via llvm-commits]

FLZ101 wrote:


> We have a utility tool that takes an instruction name and maps it to LLVM opcodes. For example, given `ADD (vectors, unpredicated)` it produces:
> 
> ```
>   ADD_ZZZ_B
>   ADD_ZZZ_H
>   ADD_ZZZ_S
>   ADD_ZZZ_D
> ```
> 
> Maybe it could be useful to extend this script?

If the utility can get LLVM opcodes from `(instruction group, instruction name)` (e.g. `("Predicate logical", "AND")`), that would be greate.

https://github.com/llvm/llvm-project/pull/131525