take skip wire bits into account

diff --git a/passes/techmap/iopadmap.cc b/passes/techmap/iopadmap.cc
index 47da98b067e59caeecd36683a7c7a80ed6c61046..531ac2b99efc65d6d0b7e79b82061b0c41e7d01e 100644 (file)
--- a/passes/techmap/iopadmap.cc
+++ b/passes/techmap/iopadmap.cc
@@ -234,6 +234,9 @@ struct IopadmapPass : public Pass {
                                                SigBit wire_bit(wire, i);
                                                Cell *tbuf_cell = nullptr;
 
+                                               if (skip_wire_bits.count(wire_bit))
+                                                       continue;
+
                                                if (tbuf_bits.count(wire_bit))
                                                        tbuf_cell = tbuf_bits.at(wire_bit);