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2017 Jan 26
2
[cfe-dev] RFC: Emitting empty invariant group for vtable loads
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2017 Jan 25
4
RFC: Emitting empty invariant group for vtable loads
Hi Piotr, I think makes sense. Modulo bitcasts, the invariant is identified by a particular pointer SSA value. Given that you can't sensibly have two nonequivalent invariants associated with the same pointer SSA value simultaneously, there's no need to also identify the invariant with a metadata string as well. When we need a new "identifier" for the pointed-to value, we