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Add $cover cell type and SVA cover() support

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This commit is contained in:
Clifford Wolf 2017-02-04 14:14:26 +01:00
parent 911c44d164
commit 3928482a3c
14 changed files with 38 additions and 9 deletions
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2
passes/hierarchy/hierarchy.cc
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@ -313,7 +313,7 @@ bool set_keep_assert(std::map<RTLIL::Module*, bool> &cache, RTLIL::Module *mod)
if (cache.count(mod) == 0)
for (auto c : mod->cells()) {
RTLIL::Module *m = mod->design->module(c->type);
if ((m != nullptr && set_keep_assert(cache, m)) || c->type.in("$assert", "$assume"))
if ((m != nullptr && set_keep_assert(cache, m)) || c->type.in("$assert", "$assume", "$cover"))
return cache[mod] = true;
}
return cache[mod];