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2018-01-22Added rewriter that specializes all function calls in a specification.Alasdair Armstrong
This removes all type polymorphism, so we can generate optimized bitvector code and compile to languages without parametric polymorphism.
2018-01-18Modified unification so Type_check.instantiation_of works after sizeof rewritingAlasdair Armstrong
This change allows the AST to be type-checked after sizeof re-writing. It modifies the unification algorithm to better support checking multiplication in constraints, by using division and modulus SMT operators if they are defined. Also made sure the typechecker doesn't re-introduce E_constraint nodes, otherwise re-checking after sizeof-rewriting will re-introduce constraint nodes.