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Suport $scopeinfo in flatten and opt_clean

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This commit is contained in:
Jannis Harder 2023-12-19 16:23:38 +01:00
parent f728927307
commit 8902fc94b6
2 changed files with 105 additions and 20 deletions
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11
passes/opt/opt_clean.cc
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@ -35,10 +35,12 @@ struct keep_cache_t
{
Design *design;
dict<Module*, bool> cache;
bool purge_mode = false;
void reset(Design *design = nullptr)
void reset(Design *design = nullptr, bool purge_mode = false)
{
this->design = design;
this->purge_mode = purge_mode;
cache.clear();
}
@ -88,6 +90,9 @@ struct keep_cache_t
if (cell->has_keep_attr())
return true;
if (!purge_mode && cell->type == ID($scopeinfo))
return true;
if (cell->module && cell->module->design)
return query(cell->module->design->module(cell->type));
@ -236,6 +241,8 @@ int count_nontrivial_wire_attrs(RTLIL::Wire *w)
{
int count = w->attributes.size();
count -= w->attributes.count(ID::src);
count -= w->attributes.count(ID::hdlname);
count -= w->attributes.count(ID(scopename));
count -= w->attributes.count(ID::unused_bits);
return count;
}
@ -661,7 +668,7 @@ struct OptCleanPass : public Pass {
}
extra_args(args, argidx, design);
keep_cache.reset(design);
keep_cache.reset(design, purge_mode);
ct_reg.setup_internals_mem();
ct_reg.setup_internals_anyinit();