[llvm-dev] RFC: speedups with instruction side-data (ADCE, perhaps others?)

[Matt Arsenault via llvm-dev]

On 09/14/2015 02:47 PM, escha via llvm-dev wrote:
> I would assume that it’s just considered to be garbage. I feel like 
> any sort of per-pass side data like this should come with absolute 
> minimal contracts, to avoid introducing any more inter-pass complexity.
  I would think this would need to be a verifier error if it were ever non-0
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