diff options
| -rw-r--r-- | passes/techmap/iopadmap.cc | 3 | ||||
| -rw-r--r-- | tests/arch/xilinx/bug1605.ys | 19 |
2 files changed, 22 insertions, 0 deletions
diff --git a/passes/techmap/iopadmap.cc b/passes/techmap/iopadmap.cc index 47da98b06..531ac2b99 100644 --- 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); diff --git a/tests/arch/xilinx/bug1605.ys b/tests/arch/xilinx/bug1605.ys new file mode 100644 index 000000000..4be659860 --- /dev/null +++ b/tests/arch/xilinx/bug1605.ys @@ -0,0 +1,19 @@ +read_verilog <<EOT +module top(inout io); + wire in; + wire t; + wire o; + + IOBUF IOBUF( + .I(in), + .T(t), + .IO(io), + .O(o) + ); +endmodule +EOT + +synth_xilinx +cd top +select -assert-count 1 t:IOBUF +select -assert-none t:* t:IOBUF %d |