[llvm] [GlobalISel][TableGen] MIR Pattern Variadics (PR #100563)

[Thorsten Schütt via llvm-commits]

tschuett wrote:

> > Does it work with `G_CONCAT_VECTORS`? If it does, then a test would be nice.
> 
> What do you mean? It works with any instruction, as long as the variadic operands aren't defs. (Which would be a pain to make work but isn't impossible)

Thanks.

https://github.com/llvm/llvm-project/pull/100563