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common: Add early return path to getNetinfoRouteDelay for fully unrouted nets

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-02-27 11:18:39 +00:00
parent bd12c0a486
commit f8a38c59f8
1 changed files with 3 additions and 0 deletions
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common/nextpnr.cc
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@ -221,6 +221,9 @@ delay_t Context::getNetinfoRouteDelay(const NetInfo *net_info, const PortRef &us
return 0;
#endif
if (net_info->wires.empty())
return predictDelay(net_info, user_info);
WireId src_wire = getNetinfoSourceWire(net_info);
if (src_wire == WireId())
return 0;