swift

b2a4f7e3 - [sil] Add to SIL and SILGen the ability to emit/represent implicit parameters.

[sil] Add to SIL and SILGen the ability to emit/represent implicit parameters. I need this today to add the implicit isolated parameter... but I can imagine us adding more implicit parameters in the future, so it makes sense to formalize it so it is easier to do in the future.