[PATCH] D137937: [TableGen] Represent IntrHasSideEffects using inaccessiblemem read+write

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

> Map IntrHasSideEffects to a read+write of inaccessible memory, **which is the usual way to represent a side effect that cannot be modelled more precisely**. [emphasis mine]

Is it? Does that mean that things-with-side-effects only interact with other things-with-side-effects? Is that really the intention of the hasSideEffects flag on an intrinsic?


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