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btor backend: add option to not include internal names

This commit is contained in:
N. Engelhardt 2020-06-04 14:00:52 +02:00
parent 3bffd09d64
commit 8ceb6686e0
1 changed files with 42 additions and 33 deletions
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27
backends/btor/btor.cc
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@ -40,6 +40,7 @@ struct BtorWorker
bool verbose; bool verbose;
bool single_bad; bool single_bad;
bool cover_mode; bool cover_mode;
bool print_internal_names;
int next_nid = 1; int next_nid = 1;
int initstate_nid = -1; int initstate_nid = -1;
@ -98,6 +99,7 @@ struct BtorWorker
string getinfo(T *obj, bool srcsym = false) string getinfo(T *obj, bool srcsym = false)
{ {
string infostr = log_id(obj); string infostr = log_id(obj);
if (!srcsym && !print_internal_names && infostr[0] == '$') return "";
if (obj->attributes.count(ID::src)) { if (obj->attributes.count(ID::src)) {
string src = obj->attributes.at(ID::src).decode_string().c_str(); string src = obj->attributes.at(ID::src).decode_string().c_str();
if (srcsym && infostr[0] == '$') { if (srcsym && infostr[0] == '$') {
@ -117,7 +119,7 @@ struct BtorWorker
infostr += " ; " + src; infostr += " ; " + src;
} }
} }
return infostr; return " " + infostr;
} }
void btorf_push(const string &id) void btorf_push(const string &id)
@ -447,7 +449,7 @@ struct BtorWorker
int nid_a = get_sig_nid(cell->getPort(ID::A), width, a_signed); int nid_a = get_sig_nid(cell->getPort(ID::A), width, a_signed);
int nid = next_nid++; int nid = next_nid++;
btorf("%d %s %d %d\n", nid, btor_op.c_str(), sid, nid_a, getinfo(cell).c_str()); btorf("%d %s %d %d%s\n", nid, btor_op.c_str(), sid, nid_a, getinfo(cell).c_str());
SigSpec sig = sigmap(cell->getPort(ID::Y)); SigSpec sig = sigmap(cell->getPort(ID::Y));
@ -488,9 +490,9 @@ struct BtorWorker
int nid = next_nid++; int nid = next_nid++;
if (btor_op != "not") if (btor_op != "not")
btorf("%d %s %d %d %d\n", nid, btor_op.c_str(), sid, nid_a, nid_b, getinfo(cell).c_str()); btorf("%d %s %d %d %d%s\n", nid, btor_op.c_str(), sid, nid_a, nid_b, getinfo(cell).c_str());
else else
btorf("%d %s %d %d\n", nid, btor_op.c_str(), sid, nid_a, getinfo(cell).c_str()); btorf("%d %s %d %d%s\n", nid, btor_op.c_str(), sid, nid_a, getinfo(cell).c_str());
SigSpec sig = sigmap(cell->getPort(ID::Y)); SigSpec sig = sigmap(cell->getPort(ID::Y));
@ -640,7 +642,7 @@ struct BtorWorker
int sid = get_bv_sid(GetSize(sig_q)); int sid = get_bv_sid(GetSize(sig_q));
int nid = next_nid++; int nid = next_nid++;
if (symbol.empty()) if (symbol.empty() || (!print_internal_names && symbol[0] == '$'))
btorf("%d state %d\n", nid, sid); btorf("%d state %d\n", nid, sid);
else else
btorf("%d state %d %s\n", nid, sid, log_id(symbol)); btorf("%d state %d %s\n", nid, sid, log_id(symbol));
@ -1049,8 +1051,8 @@ struct BtorWorker
return nid; return nid;
} }
BtorWorker(std::ostream &f, RTLIL::Module *module, bool verbose, bool single_bad, bool cover_mode, string info_filename) : BtorWorker(std::ostream &f, RTLIL::Module *module, bool verbose, bool single_bad, bool cover_mode, bool print_internal_names, string info_filename) :
f(f), sigmap(module), module(module), verbose(verbose), single_bad(single_bad), cover_mode(cover_mode), info_filename(info_filename) f(f), sigmap(module), module(module), verbose(verbose), single_bad(single_bad), cover_mode(cover_mode), print_internal_names(print_internal_names), info_filename(info_filename)
{ {
if (!info_filename.empty()) if (!info_filename.empty())
infof("name %s\n", log_id(module)); infof("name %s\n", log_id(module));
@ -1353,10 +1355,13 @@ struct BtorBackend : public Backend {
log(" -i <filename>\n"); log(" -i <filename>\n");
log(" Create additional info file with auxiliary information\n"); log(" Create additional info file with auxiliary information\n");
log("\n"); log("\n");
log(" -n\n");
log(" Don't identify internal netnames\n");
log("\n");
} }
void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{ {
bool verbose = false, single_bad = false, cover_mode = false; bool verbose = false, single_bad = false, cover_mode = false, print_internal_names = true;
string info_filename; string info_filename;
log_header(design, "Executing BTOR backend.\n"); log_header(design, "Executing BTOR backend.\n");
@ -1380,6 +1385,10 @@ struct BtorBackend : public Backend {
info_filename = args[++argidx]; info_filename = args[++argidx];
continue; continue;
} }
if (args[argidx] == "-n") {
print_internal_names = false;
continue;
}
break; break;
} }
extra_args(f, filename, args, argidx); extra_args(f, filename, args, argidx);
@ -1392,7 +1401,7 @@ struct BtorBackend : public Backend {
*f << stringf("; BTOR description generated by %s for module %s.\n", *f << stringf("; BTOR description generated by %s for module %s.\n",
yosys_version_str, log_id(topmod)); yosys_version_str, log_id(topmod));
BtorWorker(*f, topmod, verbose, single_bad, cover_mode, info_filename); BtorWorker(*f, topmod, verbose, single_bad, cover_mode, print_internal_names, info_filename);
*f << stringf("; end of yosys output\n"); *f << stringf("; end of yosys output\n");
} }