mirror of https://github.com/YosysHQ/yosys.git
clang-format smtlib.cc
This commit is contained in:
Roland Coeurjoly
Emily Schmidt
parent
94ddbc9577
commit
4109fcedcf
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@ -17,333 +17,279 @@
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*
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*/
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#include "kernel/yosys.h"
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#include "kernel/functionalir.h"
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#include "kernel/yosys.h"
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USING_YOSYS_NAMESPACE
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PRIVATE_NAMESPACE_BEGIN
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struct SmtScope {
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pool<std::string> used_names;
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dict<IdString, std::string> name_map;
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pool<std::string> used_names;
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dict<IdString, std::string> name_map;
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SmtScope() {}
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void reserve(const std::string& name) {
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used_names.insert(name);
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}
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SmtScope() {}
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std::string insert(IdString id) {
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std::string name = RTLIL::unescape_id(id);
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if (used_names.count(name) == 0) {
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used_names.insert(name);
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name_map[id] = name;
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return name;
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}
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for (int idx = 0;; ++idx) {
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std::string new_name = name + "_" + std::to_string(idx);
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if (used_names.count(new_name) == 0) {
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used_names.insert(new_name);
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name_map[id] = new_name;
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return new_name;
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}
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}
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}
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void reserve(const std::string &name) { used_names.insert(name); }
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std::string operator[](IdString id) {
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if (name_map.count(id)) {
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return name_map[id];
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} else {
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return insert(id);
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}
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}
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std::string insert(IdString id)
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{
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std::string name = RTLIL::unescape_id(id);
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if (used_names.count(name) == 0) {
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used_names.insert(name);
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name_map[id] = name;
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return name;
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}
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for (int idx = 0;; ++idx) {
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std::string new_name = name + "_" + std::to_string(idx);
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if (used_names.count(new_name) == 0) {
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used_names.insert(new_name);
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name_map[id] = new_name;
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return new_name;
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}
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}
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}
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std::string operator[](IdString id)
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{
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if (name_map.count(id)) {
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return name_map[id];
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} else {
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return insert(id);
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}
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}
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};
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struct SmtWriter {
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std::ostream& stream;
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std::ostream &stream;
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SmtWriter(std::ostream& out) : stream(out) {}
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SmtWriter(std::ostream &out) : stream(out) {}
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void print(const char* fmt, ...) {
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va_list args;
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va_start(args, fmt);
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stream << vstringf(fmt, args);
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va_end(args);
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}
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void print(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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stream << vstringf(fmt, args);
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va_end(args);
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}
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};
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template<class NodeNames>
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struct SmtPrintVisitor {
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using Node = FunctionalIR::Node;
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NodeNames np;
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SmtScope &scope;
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template <class NodeNames> struct SmtPrintVisitor {
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using Node = FunctionalIR::Node;
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NodeNames np;
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SmtScope &scope;
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SmtPrintVisitor(NodeNames np, SmtScope &scope)
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: np(np), scope(scope) {}
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SmtPrintVisitor(NodeNames np, SmtScope &scope) : np(np), scope(scope) {}
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template<class T>
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std::string arg_to_string(T n) { return std::to_string(n); }
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template <class T> std::string arg_to_string(T n) { return std::to_string(n); }
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std::string arg_to_string(std::string n) { return n; }
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std::string arg_to_string(std::string n) { return n; }
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std::string arg_to_string(Node n) { return np(n); }
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std::string arg_to_string(Node n) { return np(n); }
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template<typename... Args>
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std::string format(std::string fmt, Args&&... args) {
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std::vector<std::string> arg_strings = { arg_to_string(std::forward<Args>(args))... };
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for (size_t i = 0; i < arg_strings.size(); ++i) {
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std::string placeholder = "%" + std::to_string(i);
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size_t pos = 0;
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while ((pos = fmt.find(placeholder, pos)) != std::string::npos) {
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fmt.replace(pos, placeholder.length(), arg_strings[i]);
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pos += arg_strings[i].length();
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}
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}
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return fmt;
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}
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std::string buf(Node, Node n) { return np(n); }
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template <typename... Args> std::string format(std::string fmt, Args &&...args)
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{
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std::vector<std::string> arg_strings = {arg_to_string(std::forward<Args>(args))...};
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for (size_t i = 0; i < arg_strings.size(); ++i) {
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std::string placeholder = "%" + std::to_string(i);
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size_t pos = 0;
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while ((pos = fmt.find(placeholder, pos)) != std::string::npos) {
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fmt.replace(pos, placeholder.length(), arg_strings[i]);
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pos += arg_strings[i].length();
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}
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}
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return fmt;
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}
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std::string buf(Node, Node n) { return np(n); }
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std::string slice(Node, Node a, int, int offset, int out_width) {
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return format("(_ extract %1 %2 %0)", np(a), offset, offset + out_width - 1);
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}
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std::string slice(Node, Node a, int, int offset, int out_width)
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{
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return format("(_ extract %1 %2 %0)", np(a), offset, offset + out_width - 1);
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}
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std::string zero_extend(Node, Node a, int, int out_width) {
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return format("((_ zero_extend %1) %0)", np(a), out_width - a.width());
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}
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std::string zero_extend(Node, Node a, int, int out_width) { return format("((_ zero_extend %1) %0)", np(a), out_width - a.width()); }
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std::string sign_extend(Node, Node a, int, int out_width) {
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return format("((_ sign_extend %1) %0)", np(a), out_width - a.width());
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}
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std::string sign_extend(Node, Node a, int, int out_width) { return format("((_ sign_extend %1) %0)", np(a), out_width - a.width()); }
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std::string concat(Node, Node a, int, Node b, int) {
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return format("(concat %0 %1)", np(a), np(b));
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}
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std::string concat(Node, Node a, int, Node b, int) { return format("(concat %0 %1)", np(a), np(b)); }
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std::string add(Node, Node a, Node b, int) {
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return format("(bvadd %0 %1)", np(a), np(b));
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}
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std::string add(Node, Node a, Node b, int) { return format("(bvadd %0 %1)", np(a), np(b)); }
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std::string sub(Node, Node a, Node b, int) {
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return format("(bvsub %0 %1)", np(a), np(b));
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}
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std::string sub(Node, Node a, Node b, int) { return format("(bvsub %0 %1)", np(a), np(b)); }
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std::string bitwise_and(Node, Node a, Node b, int) {
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return format("(bvand %0 %1)", np(a), np(b));
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}
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std::string bitwise_and(Node, Node a, Node b, int) { return format("(bvand %0 %1)", np(a), np(b)); }
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std::string bitwise_or(Node, Node a, Node b, int) {
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return format("(bvor %0 %1)", np(a), np(b));
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}
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std::string bitwise_or(Node, Node a, Node b, int) { return format("(bvor %0 %1)", np(a), np(b)); }
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std::string bitwise_xor(Node, Node a, Node b, int) {
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return format("(bvxor %0 %1)", np(a), np(b));
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}
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std::string bitwise_xor(Node, Node a, Node b, int) { return format("(bvxor %0 %1)", np(a), np(b)); }
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std::string bitwise_not(Node, Node a, int) {
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return format("(bvnot %0)", np(a));
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}
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std::string bitwise_not(Node, Node a, int) { return format("(bvnot %0)", np(a)); }
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std::string unary_minus(Node, Node a, int) {
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return format("(bvneg %0)", np(a));
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}
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std::string unary_minus(Node, Node a, int) { return format("(bvneg %0)", np(a)); }
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std::string reduce_and(Node, Node a, int) {
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return format("(= %0 #b1)", np(a));
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}
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std::string reduce_and(Node, Node a, int) { return format("(= %0 #b1)", np(a)); }
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std::string reduce_or(Node, Node a, int) {
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std::stringstream ss;
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// We use ite to set the result to bit vector, to ensure appropriate type
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ss << "(ite (= " << np(a) << " #b" << std::string(a.width(), '0') << ") #b0 #b1)";
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return ss.str();
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}
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std::string reduce_or(Node, Node a, int)
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{
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std::stringstream ss;
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// We use ite to set the result to bit vector, to ensure appropriate type
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ss << "(ite (= " << np(a) << " #b" << std::string(a.width(), '0') << ") #b0 #b1)";
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return ss.str();
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}
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std::string reduce_xor(Node, Node a, int) {
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return format("(bvxor_reduce %0)", np(a));
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}
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std::string reduce_xor(Node, Node a, int) { return format("(bvxor_reduce %0)", np(a)); }
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std::string equal(Node, Node a, Node b, int) {
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return format("(= %0 %1)", np(a), np(b));
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}
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std::string equal(Node, Node a, Node b, int) { return format("(= %0 %1)", np(a), np(b)); }
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std::string not_equal(Node, Node a, Node b, int) {
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return format("(distinct %0 %1)", np(a), np(b));
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}
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std::string not_equal(Node, Node a, Node b, int) { return format("(distinct %0 %1)", np(a), np(b)); }
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std::string signed_greater_than(Node, Node a, Node b, int) {
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return format("(bvsgt %0 %1)", np(a), np(b));
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}
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std::string signed_greater_than(Node, Node a, Node b, int) { return format("(bvsgt %0 %1)", np(a), np(b)); }
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std::string signed_greater_equal(Node, Node a, Node b, int) {
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return format("(bvsge %0 %1)", np(a), np(b));
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}
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std::string signed_greater_equal(Node, Node a, Node b, int) { return format("(bvsge %0 %1)", np(a), np(b)); }
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std::string unsigned_greater_than(Node, Node a, Node b, int) {
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return format("(bvugt %0 %1)", np(a), np(b));
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}
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std::string unsigned_greater_than(Node, Node a, Node b, int) { return format("(bvugt %0 %1)", np(a), np(b)); }
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std::string unsigned_greater_equal(Node, Node a, Node b, int) {
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return format("(bvuge %0 %1)", np(a), np(b));
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}
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std::string unsigned_greater_equal(Node, Node a, Node b, int) { return format("(bvuge %0 %1)", np(a), np(b)); }
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std::string logical_shift_left(Node, Node a, Node b, int, int) {
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return format("(bvshl %0 %1)", np(a), np(b));
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}
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std::string logical_shift_left(Node, Node a, Node b, int, int) { return format("(bvshl %0 %1)", np(a), np(b)); }
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std::string logical_shift_right(Node, Node a, Node b, int, int) {
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return format("(bvlshr %0 %1)", np(a), np(b));
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}
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std::string logical_shift_right(Node, Node a, Node b, int, int) { return format("(bvlshr %0 %1)", np(a), np(b)); }
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std::string arithmetic_shift_right(Node, Node a, Node b, int, int) {
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return format("(bvashr %0 %1)", np(a), np(b));
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}
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std::string arithmetic_shift_right(Node, Node a, Node b, int, int) { return format("(bvashr %0 %1)", np(a), np(b)); }
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std::string mux(Node, Node a, Node b, Node s, int) {
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return format("(ite %2 %0 %1)", np(a), np(b), np(s));
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}
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std::string mux(Node, Node a, Node b, Node s, int) { return format("(ite %2 %0 %1)", np(a), np(b), np(s)); }
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std::string pmux(Node, Node a, Node b, Node s, int, int) {
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// Assume s is a bit vector, combine a and b based on the selection bits
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return format("(pmux %0 %1 %2)", np(a), np(b), np(s));
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}
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std::string pmux(Node, Node a, Node b, Node s, int, int)
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{
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// Assume s is a bit vector, combine a and b based on the selection bits
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return format("(pmux %0 %1 %2)", np(a), np(b), np(s));
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}
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std::string constant(Node, RTLIL::Const value) {
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return format("#b%1", value.as_string());
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}
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std::string constant(Node, RTLIL::Const value) { return format("#b%1", value.as_string()); }
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std::string input(Node, IdString name) {
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return format("%0", scope[name]);
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}
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std::string input(Node, IdString name) { return format("%0", scope[name]); }
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std::string state(Node, IdString name) {
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return format("%0", scope[name]);
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}
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std::string state(Node, IdString name) { return format("%0", scope[name]); }
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std::string memory_read(Node, Node mem, Node addr, int, int) {
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return format("(select %0 %1)", np(mem), np(addr));
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}
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std::string memory_read(Node, Node mem, Node addr, int, int) { return format("(select %0 %1)", np(mem), np(addr)); }
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std::string memory_write(Node, Node mem, Node addr, Node data, int, int) {
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return format("(store %0 %1 %2)", np(mem), np(addr), np(data));
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}
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std::string memory_write(Node, Node mem, Node addr, Node data, int, int) { return format("(store %0 %1 %2)", np(mem), np(addr), np(data)); }
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std::string undriven(Node, int width) {
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return format("#b%0", std::string(width, '0'));
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}
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std::string undriven(Node, int width) { return format("#b%0", std::string(width, '0')); }
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};
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struct SmtModule {
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std::string name;
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SmtScope scope;
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FunctionalIR ir;
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std::string name;
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SmtScope scope;
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FunctionalIR ir;
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SmtModule(const std::string& module_name, FunctionalIR ir)
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: name(module_name), ir(std::move(ir)) {}
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SmtModule(const std::string &module_name, FunctionalIR ir) : name(module_name), ir(std::move(ir)) {}
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std::string replaceCharacters(const std::string& input) {
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std::string result = input;
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std::replace(result.begin(), result.end(), '$', '_'); // Replace $ with _
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// Since \ is an escape character, we use a loop to replace it
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size_t pos = 0;
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while ((pos = result.find('\\', pos)) != std::string::npos) {
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result.replace(pos, 1, "_");
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pos += 1; // Move past the replaced character
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}
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return result;
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}
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void write(std::ostream& out) {
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SmtWriter writer(out);
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writer.print("(declare-fun %s () Bool)\n", name.c_str());
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writer.print("(declare-datatypes () ((Inputs (mk_inputs");
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for (const auto& input : ir.inputs()) {
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std::string input_name = scope[input.first];
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writer.print(" (%s (_ BitVec %d))", input_name.c_str(), input.second.width());
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}
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writer.print("))))\n");
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std::string replaceCharacters(const std::string &input)
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{
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std::string result = input;
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std::replace(result.begin(), result.end(), '$', '_'); // Replace $ with _
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writer.print("(declare-datatypes () ((Outputs (mk_outputs");
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for (const auto& output : ir.outputs()) {
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std::string output_name = scope[output.first];
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writer.print(" (%s (_ BitVec %d))", output_name.c_str(), output.second.width());
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}
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writer.print("))))\n");
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// Since \ is an escape character, we use a loop to replace it
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size_t pos = 0;
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while ((pos = result.find('\\', pos)) != std::string::npos) {
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result.replace(pos, 1, "_");
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pos += 1; // Move past the replaced character
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}
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writer.print("(declare-fun state () (_ BitVec 1))\n");
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return result;
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}
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writer.print("(define-fun %s_step ((state (_ BitVec 1)) (inputs Inputs)) Outputs\n", name.c_str());
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writer.print(" (let (\n");
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for (const auto& input : ir.inputs()) {
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std::string input_name = scope[input.first];
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writer.print(" (%s (%s inputs))\n", input_name.c_str(), input_name.c_str());
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}
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writer.print(" )\n");
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void write(std::ostream &out)
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{
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SmtWriter writer(out);
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auto node_to_string = [&](FunctionalIR::Node n) { return scope[n.name()]; };
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SmtPrintVisitor<decltype(node_to_string)> visitor(node_to_string, scope);
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writer.print("(declare-fun %s () Bool)\n", name.c_str());
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writer.print("(declare-datatypes () ((Inputs (mk_inputs");
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for (const auto &input : ir.inputs()) {
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std::string input_name = scope[input.first];
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writer.print(" (%s (_ BitVec %d))", input_name.c_str(), input.second.width());
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}
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writer.print("))))\n");
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std::string nested_lets;
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for (auto it = ir.begin(); it != ir.end(); ++it) {
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const FunctionalIR::Node& node = *it;
|
||||
writer.print("(declare-datatypes () ((Outputs (mk_outputs");
|
||||
for (const auto &output : ir.outputs()) {
|
||||
std::string output_name = scope[output.first];
|
||||
writer.print(" (%s (_ BitVec %d))", output_name.c_str(), output.second.width());
|
||||
}
|
||||
writer.print("))))\n");
|
||||
|
||||
if (ir.inputs().count(node.name()) > 0) continue;
|
||||
|
||||
std::string node_name = replaceCharacters(scope[node.name()]);
|
||||
std::string node_expr = node.visit(visitor);
|
||||
|
||||
nested_lets += "(let (\n (" + node_name + " " + node_expr + "))\n";
|
||||
}
|
||||
writer.print("(declare-fun state () (_ BitVec 1))\n");
|
||||
|
||||
nested_lets += " (let (\n";
|
||||
for (const auto& output : ir.outputs()) {
|
||||
std::string output_name = scope[output.first];
|
||||
const std::string output_assignment = ir.get_output_node(output.first).name().c_str();
|
||||
nested_lets += " (" + output_name + " " + replaceCharacters(output_assignment).substr(1) + ")\n";
|
||||
}
|
||||
nested_lets += " )\n";
|
||||
nested_lets += " (mk_outputs\n";
|
||||
writer.print("(define-fun %s_step ((state (_ BitVec 1)) (inputs Inputs)) Outputs", name.c_str());
|
||||
writer.print(" (let (");
|
||||
for (const auto &input : ir.inputs()) {
|
||||
std::string input_name = scope[input.first];
|
||||
writer.print(" (%s (%s inputs))", input_name.c_str(), input_name.c_str());
|
||||
}
|
||||
writer.print(" )");
|
||||
|
||||
for (const auto& output : ir.outputs()) {
|
||||
std::string output_name = scope[output.first];
|
||||
nested_lets += " " + output_name + "\n";
|
||||
}
|
||||
nested_lets += " )\n";
|
||||
nested_lets += " )\n";
|
||||
auto node_to_string = [&](FunctionalIR::Node n) { return scope[n.name()]; };
|
||||
SmtPrintVisitor<decltype(node_to_string)> visitor(node_to_string, scope);
|
||||
|
||||
// Close the nested lets
|
||||
for (size_t i = 0; i < ir.size() - ir.inputs().size(); ++i) {
|
||||
nested_lets += " )\n";
|
||||
}
|
||||
std::string nested_lets;
|
||||
for (auto it = ir.begin(); it != ir.end(); ++it) {
|
||||
const FunctionalIR::Node &node = *it;
|
||||
|
||||
writer.print("%s", nested_lets.c_str());
|
||||
writer.print(" )\n");
|
||||
writer.print(")\n");
|
||||
}
|
||||
if (ir.inputs().count(node.name()) > 0)
|
||||
continue;
|
||||
|
||||
std::string node_name = replaceCharacters(scope[node.name()]);
|
||||
std::string node_expr = node.visit(visitor);
|
||||
|
||||
nested_lets += "(let ( (" + node_name + " " + node_expr + "))";
|
||||
}
|
||||
|
||||
nested_lets += " (let (";
|
||||
for (const auto &output : ir.outputs()) {
|
||||
std::string output_name = scope[output.first];
|
||||
const std::string output_assignment = ir.get_output_node(output.first).name().c_str();
|
||||
nested_lets += " (" + output_name + " " + replaceCharacters(output_assignment).substr(1) + ")";
|
||||
}
|
||||
nested_lets += " )";
|
||||
nested_lets += " (mk_outputs";
|
||||
|
||||
for (const auto &output : ir.outputs()) {
|
||||
std::string output_name = scope[output.first];
|
||||
nested_lets += " " + output_name;
|
||||
}
|
||||
nested_lets += " )";
|
||||
nested_lets += " )";
|
||||
|
||||
// Close the nested lets
|
||||
for (size_t i = 0; i < ir.size() - ir.inputs().size(); ++i) {
|
||||
nested_lets += " )";
|
||||
}
|
||||
|
||||
writer.print("%s", nested_lets.c_str());
|
||||
writer.print(" )");
|
||||
writer.print(")\n");
|
||||
}
|
||||
};
|
||||
|
||||
struct FunctionalSmtBackend : public Backend {
|
||||
FunctionalSmtBackend() : Backend("functional_smt2", "Generate SMT-LIB from Functional IR") {}
|
||||
FunctionalSmtBackend() : Backend("functional_smt2", "Generate SMT-LIB from Functional IR") {}
|
||||
|
||||
void help() override {
|
||||
log("\nFunctional SMT Backend.\n\n");
|
||||
}
|
||||
void help() override { log("\nFunctional SMT Backend.\n\n"); }
|
||||
|
||||
void execute(std::ostream*& f, std::string filename, std::vector<std::string> args, RTLIL::Design* design) override {
|
||||
log_header(design, "Executing Functional SMT Backend.\n");
|
||||
void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) override
|
||||
{
|
||||
log_header(design, "Executing Functional SMT Backend.\n");
|
||||
|
||||
size_t argidx = 1;
|
||||
extra_args(f, filename, args, argidx, design);
|
||||
size_t argidx = 1;
|
||||
extra_args(f, filename, args, argidx, design);
|
||||
|
||||
for (auto module : design->selected_modules()) {
|
||||
log("Processing module `%s`.\n", module->name.c_str());
|
||||
auto ir = FunctionalIR::from_module(module);
|
||||
SmtModule smt(RTLIL::unescape_id(module->name), ir);
|
||||
smt.write(*f);
|
||||
}
|
||||
}
|
||||
for (auto module : design->selected_modules()) {
|
||||
log("Processing module `%s`.\n", module->name.c_str());
|
||||
auto ir = FunctionalIR::from_module(module);
|
||||
SmtModule smt(RTLIL::unescape_id(module->name), ir);
|
||||
smt.write(*f);
|
||||
}
|
||||
}
|
||||
} FunctionalSmtBackend;
|
||||
|
||||
PRIVATE_NAMESPACE_END
|
||||
|
|
|
|||
Loading…
Reference in New Issue