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Mehdi Bouaziz aaf346d115 [cost] Polynomial domain ... Summary: Before we were computing the size of an abstract state (`range`) using the `NonNegativeBound` domain but it wasn't able to express product of symbolic values. This diff introduces a domain for that. The range of an interval is still computed in `NonNegativeBound` but then the product is done in `TopLiftedPolynomial` so all costs end up being of that type. The //symbols// of a polynomial are `NonNegativeBound` (so the polynomial only represent non-negative values, perfect for a cost), which handles substitution correctly, i.e. it gives zero instead of negative values. Reviewed By: ddino Differential Revision: D7397229 fbshipit-source-id: 6868bb7		7 years ago
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biabduction	change clang translation to track if_kind (i.e. the type of prune node)	7 years ago
bufferoverrun	[inferbo] do not include location information in the bug description	7 years ago
errors	[frontend] Getting appropriate type information for exp in sizeof exp	7 years ago
frontend	[clang] enforce that `instruction` always returns one SIL expression	7 years ago
performance	[cost] Polynomial domain	7 years ago