[PATCH] D21534: GlobalISel: first outline of legalization interface.

[Tim Northover via llvm-commits]

All good suggestions (the ones that I understood), Matt. Thanks! I'll
wait around for more comments and fold them into the next iteration.

But I didn't quite get this one:

> Should named operand tables somehow work with the generic opcodes?

Do you mean the MCInstrDesc information? Otherwise I'm in the dark, I'm afraid.

Tim.