[PATCH] D134950: [CodeGen] Allow targets to define vreg flags

[Quentin Colombet via Phabricator via llvm-commits]

qcolombet added a comment.

Hi all,

I've thought a little bit more about this.
Could we handle this with the existing delegate mechanism? (Look at how `MRI_NoteNewVirtualRegister` works.)

That way, you could do whatever target specific thing you want and it won't spill in the generic code.
To do that we may have to lift the limitation that we have only one delegate at a time (and we may need to add a few more hooks to notify the delegate on the events you are interested in.)

How does that sounds?

Cheers,
-Quentin


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