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only case expand for cases that contain defs. fixes #2601

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-01 18:41:11 -07:00
parent 88f0e4a64c
commit 6616b6a366
2 changed files with 25 additions and 10 deletions
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5
src/ast/recfun_decl_plugin.h
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@ -111,10 +111,11 @@ namespace recfun {
def(ast_manager &m, family_id fid, symbol const & s, unsigned arity, sort *const * domain, sort* range, bool is_generated);
// compute cases for a function, given its RHS (possibly containing `ite`).
void compute_cases(replace& subst, is_immediate_pred &,
void compute_cases(util& u, replace& subst, is_immediate_pred &,
unsigned n_vars, var *const * vars, expr* rhs);
void add_case(std::string & name, unsigned case_index, expr_ref_vector const& conditions, expr* rhs, bool is_imm = false);
bool contains_ite(expr* e); // expression contains a test?
bool contains_ite(util& u, expr* e); // expression contains a test?
bool contains_def(util& u, expr* e); // expression contains a def
public:
symbol const & get_name() const { return m_name; }
vars const & get_vars() const { return m_vars; }