diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/design_utils.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/common/design_utils.cc b/common/design_utils.cc index a0b87764..da170030 100644 --- a/common/design_utils.cc +++ b/common/design_utils.cc @@ -27,6 +27,8 @@ NEXTPNR_NAMESPACE_BEGIN void replace_port(CellInfo *old_cell, IdString old_name, CellInfo *rep_cell, IdString rep_name) { + if (!old_cell->ports.count(old_name)) + return; PortInfo &old = old_cell->ports.at(old_name); PortInfo &rep = rep_cell->ports.at(rep_name); NPNR_ASSERT(old.type == rep.type); @@ -107,6 +109,8 @@ void disconnect_port(const Context *ctx, CellInfo *cell, IdString port_name) return user.cell == cell && user.port == port_name; }), port.net->users.end()); + if (port.net->driver.cell == cell && port.net->driver.port == port_name) + port.net->driver.cell = nullptr; } } |