[PATCH] D86335: [RegisterPressure] Use Register instead of unsigned for RegUnit

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

In D86335#2230048 <https://reviews.llvm.org/D86335#2230048>, @rampitec wrote:

> There is one thing I never really understood: is regunit really a register? On our target it is for the fact, but generally speaking? It looks like a quite artificial iterator for me. In particular regunit numerical value does not need to match any real physreg as far as I understand.

Good question. I don't know.


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https://reviews.llvm.org/D86335