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Chain pack pattern assertion fix #1591

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Merged
merged 1 commit into from
Nov 12, 2020
Merged

Chain pack pattern assertion fix #1591

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3 changes: 1 addition & 2 deletions vpr/src/pack/prepack.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1548,6 +1548,7 @@ static void update_chain_root_pins(t_pack_patterns* chain_pattern,
for (const auto pin_ptr : chain_input_pins) {
std::vector<t_pb_graph_pin*> connected_primitive_pins;
get_all_connected_primitive_pins(pin_ptr, connected_primitive_pins);
VTR_ASSERT(connected_primitive_pins.size());
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Suggest a comment here on the assert. I think the assert is checking that some primitive pin in some mode connects to the cluster level chain input pin.

primitive_input_pins.push_back(connected_primitive_pins);
}

Expand Down Expand Up @@ -1602,8 +1603,6 @@ static void get_all_connected_primitive_pins(const t_pb_graph_pin* cluster_input
}
}
}

VTR_ASSERT(connected_primitive_pins.size());
}

/**
Expand Down