Dmitri Gribenko b5e3dac33d [clang][dataflow] Add explicit "AST" nodes for implications and iff ...

Previously we used to desugar implications and biconditionals into
equivalent CNF/DNF as soon as possible. However, this desugaring makes
debug output (Environment::dump()) less readable than it could be.
Therefore, it makes sense to keep the sugared representation of a
boolean formula, and desugar it in the solver.

Reviewed By: sgatev, xazax.hun, wyt

Differential Revision: https://reviews.llvm.org/D130519

2022-07-26 14:19:22 +02:00

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