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authorEddie Hung <eddie@fpgeh.com>2019-06-05 09:59:05 -0700
committerGitHub <noreply@github.com>2019-06-05 09:59:05 -0700
commita3a80b755cb78866060f71348e2a0b14f96c574b (patch)
tree7e6595f139f849042c2133baee6dc29c5590fab5 /passes/opt
parentf15b5e630950aaff9c840a0aa8310d0117aad166 (diff)
parent8a6f9977f659d350cca936b45cb8b441d5a67eeb (diff)
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Merge pull request #1067 from YosysHQ/clifford/fix1065
Suppress driver-driver conflict warning for unknown cell types
Diffstat (limited to 'passes/opt')
-rw-r--r--passes/opt/opt_clean.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/passes/opt/opt_clean.cc b/passes/opt/opt_clean.cc
index 7011d4602..cfb0f788a 100644
--- a/passes/opt/opt_clean.cc
+++ b/passes/opt/opt_clean.cc
@@ -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)));