[PATCH] D90591: [ARM] Introduce t2DoLoopStartTP

[Sam Parker via Phabricator via llvm-commits]

samparker added a comment.

> I would like to put here start with combining t2LoopDec and t2LoopEnd

Ok, fair enough.

> t2LoopEndDec is what I've called it.

It's a good name.

> I was going the "they can never spill" approach

And how is this done? Is it a generic codegen change and that's why AMDGPU is problematic?

> I was also going to add an LR predicate to MVE instructions to make sure they would never go wrong

I'm not sure what you mean, are you talking about adding another optional register operand?


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