deprecate @pure and make it just @assume_effects :foldable #48588
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vchuravy
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Feb 8, 2023
vchuravy
reviewed
Feb 8, 2023
vchuravy
reviewed
Feb 8, 2023
vchuravy
reviewed
Feb 8, 2023
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Ideally this would remove the |
vchuravy
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Feb 8, 2023
Co-authored-by: Valentin Churavy <[email protected]>
aviatesk
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Feb 9, 2023
| # TODO: this used to trigger a bug in inference recursion detection, and is unmaintained now | ||
| # sigtuple = unwrap_unionall(sig)::DataType | ||
| # splitunions = 1 < unionsplitcost(sigtuple.parameters) * napplicable <= InferenceParams(interp).max_union_splitting | ||
| if splitunions |
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Please don't remove this branch. We have kinda maintained this branch since we may enable it again in the future. And this change is unrelated to this PR.
| if isa(rty, Conditional) | ||
| return CallMeta(Conditional(rty.slot, rty.elsetype, rty.thentype), EFFECTS_TOTAL, NoCallInfo()) # swap if-else | ||
| elseif isa(rty, Const) | ||
| return CallMeta(Const(rty.val === false), EFFECTS_TOTAL, MethodResultPure()) |
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Don't remove MethodResultPure. This would result in bad performance.
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couldn't this just check the effects rather than using MethodResultPure?
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We currently don't propagate per-statement level effects. CallInfo is what we use for propagating per-statement information to the optimizer.
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At this point the effects system is the better way to express these types of guarantees. (Also @vtjnash told me this was OK).