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select/map rewrite

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-05-17 00:00:00 +03:00
parent b7f14c5875
commit dd4b8b9ff8
1 changed files with 14 additions and 0 deletions
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14
src/ast/rewriter/array_rewriter.cpp
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@ -218,6 +218,20 @@ br_status array_rewriter::mk_select_core(unsigned num_args, expr * const * args,
}
if (m_util.is_map(args[0])) {
app* a = to_app(args[0]);
func_decl* f0 = m_util.get_map_func_decl(a);
expr_ref_vector args0(m());
for (expr* arg : *a) {
ptr_vector<expr> args1;
args1.push_back(arg);
args1.append(num_args-1, args + 1);
args0.push_back(m_util.mk_select(args1.size(), args1.c_ptr()));
}
result = m().mk_app(f0, args0.size(), args0.c_ptr());
return BR_REWRITE2;
}
if (m_util.is_as_array(args[0])) {
// select(as-array[f], I) --> f(I)
func_decl * f = m_util.get_as_array_func_decl(to_app(args[0]));