Cranelift: Remove the LowerCtx trait
#4697
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cfallin
approved these changes
Aug 11, 2022
The trait had only one implementation: the `Lower` struct. It is easier to just use that directly, and not introduce unnecessary layers of generics and abstractions. Once upon a time, there was hope that we would have other implementations of the `LowerCtx` trait, that did things like lower CLIF to SMTLIB for verification. However, this is not practical these days given the way that the trait has evolved over time, and our verification efforts are focused on ISLE now anyways, and we're actually making some progress on that front (much more than anyone ever did on a second `LowerCtx` trait implementation!)
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The trait had only one implementation: the
Lowerstruct. It is easier to justuse that directly, and not introduce unnecessary layers of generics and
abstractions.
Once upon a time, there was hope that we would have other implementations of the
LowerCtxtrait, that did things like lower CLIF to SMTLIB forverification. However, this is not practical these days given the way that the
trait has evolved over time, and our verification efforts are focused on ISLE
now anyways, and we're actually making some progress on that front (much more
than anyone ever did on a second
LowerCtxtrait implementation!)