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intblast with lazy expansion of shl, ashr, lshr

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-12-16 15:12:57 -08:00
parent 50e0fd3ba6
commit d0a59f3740
10 changed files with 321 additions and 83 deletions
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31
src/ast/arith_decl_plugin.h
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@ -72,6 +72,9 @@ enum arith_op_kind {
OP_ATANH,
// Bit-vector functions
OP_ARITH_BAND,
OP_ARITH_SHL,
OP_ARITH_ASHR,
OP_ARITH_LSHR,
// constants
OP_PI,
OP_E,
@ -150,6 +153,8 @@ protected:
bool m_convert_int_numerals_to_real;
symbol bv_symbol(decl_kind k) const;
func_decl * mk_func_decl(decl_kind k, bool is_real);
void set_manager(ast_manager * m, family_id id) override;
decl_kind fix_kind(decl_kind k, unsigned arity);
@ -233,6 +238,14 @@ public:
executed in different threads.
*/
class arith_recognizers {
bool is_arith_op(expr const* n, decl_kind k, unsigned& sz, expr*& x, expr*& y) {
if (!is_app_of(n, arith_family_id, k))
return false;
x = to_app(n)->get_arg(0);
y = to_app(n)->get_arg(1);
sz = to_app(n)->get_parameter(0).get_int();
return true;
}
public:
family_id get_family_id() const { return arith_family_id; }
@ -296,14 +309,13 @@ public:
bool is_int_real(expr const * n) const { return is_int_real(n->get_sort()); }
bool is_band(expr const* n) const { return is_app_of(n, arith_family_id, OP_ARITH_BAND); }
bool is_band(expr const* n, unsigned& sz, expr*& x, expr*& y) {
if (!is_band(n))
return false;
x = to_app(n)->get_arg(0);
y = to_app(n)->get_arg(1);
sz = to_app(n)->get_parameter(0).get_int();
return true;
}
bool is_band(expr const* n, unsigned& sz, expr*& x, expr*& y) { return is_arith_op(n, OP_ARITH_BAND, sz, x, y); }
bool is_shl(expr const* n) const { return is_app_of(n, arith_family_id, OP_ARITH_SHL); }
bool is_shl(expr const* n, unsigned& sz, expr*& x, expr*& y) { return is_arith_op(n, OP_ARITH_SHL, sz, x, y); }
bool is_lshr(expr const* n) const { return is_app_of(n, arith_family_id, OP_ARITH_LSHR); }
bool is_lshr(expr const* n, unsigned& sz, expr*& x, expr*& y) { return is_arith_op(n, OP_ARITH_LSHR, sz, x, y); }
bool is_ashr(expr const* n) const { return is_app_of(n, arith_family_id, OP_ARITH_ASHR); }
bool is_ashr(expr const* n, unsigned& sz, expr*& x, expr*& y) { return is_arith_op(n, OP_ARITH_ASHR, sz, x, y); }
bool is_sin(expr const* n) const { return is_app_of(n, arith_family_id, OP_SIN); }
bool is_cos(expr const* n) const { return is_app_of(n, arith_family_id, OP_COS); }
@ -487,6 +499,9 @@ public:
app * mk_power0(expr* arg1, expr* arg2) { return m_manager.mk_app(arith_family_id, OP_POWER0, arg1, arg2); }
app* mk_band(unsigned n, expr* arg1, expr* arg2) { parameter p(n); expr* args[2] = { arg1, arg2 }; return m_manager.mk_app(arith_family_id, OP_ARITH_BAND, 1, &p, 2, args); }
app* mk_shl(unsigned n, expr* arg1, expr* arg2) { parameter p(n); expr* args[2] = { arg1, arg2 }; return m_manager.mk_app(arith_family_id, OP_ARITH_SHL, 1, &p, 2, args); }
app* mk_ashr(unsigned n, expr* arg1, expr* arg2) { parameter p(n); expr* args[2] = { arg1, arg2 }; return m_manager.mk_app(arith_family_id, OP_ARITH_ASHR, 1, &p, 2, args); }
app* mk_lshr(unsigned n, expr* arg1, expr* arg2) { parameter p(n); expr* args[2] = { arg1, arg2 }; return m_manager.mk_app(arith_family_id, OP_ARITH_LSHR, 1, &p, 2, args); }
app * mk_sin(expr * arg) { return m_manager.mk_app(arith_family_id, OP_SIN, arg); }
app * mk_cos(expr * arg) { return m_manager.mk_app(arith_family_id, OP_COS, arg); }