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Suppress driver-driver conflict warning for unknown cell types, fixes #1065 

Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-06-05 09:14:12 +02:00
parent 1332051f33
commit 8a6f9977f6
1 changed files with 1 additions and 1 deletions
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2
passes/opt/opt_clean.cc
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@ -106,7 +106,7 @@ void rmunused_module_cells(Module *module, bool verbose)
if (raw_bit.wire == nullptr)
continue;
auto bit = sigmap(raw_bit);
if (bit.wire == nullptr)
if (bit.wire == nullptr && ct_all.cell_known(cell->type))
driver_driver_logs[raw_sigmap(raw_bit)].push_back(stringf("Driver-driver conflict "
"for %s between cell %s.%s and constant %s in %s: Resolved using constant.",
log_signal(raw_bit), log_id(cell), log_id(it2.first), log_signal(bit), log_id(module)));