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deminout: Don't demote constant-driven inouts to inputs

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2018-12-12 16:50:46 +00:00
parent 0b9bb852c6
commit d3fe9465f3
1 changed files with 2 additions and 1 deletions
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3
passes/techmap/deminout.cc
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@ -113,7 +113,8 @@ struct DeminoutPass : public Pass {
{ {
if (bits_numports[bit] > 1 || bits_inout.count(bit)) if (bits_numports[bit] > 1 || bits_inout.count(bit))
new_input = true, new_output = true; new_input = true, new_output = true;
if (bit == State::S0 || bit == State::S1)
new_output = true;
if (bits_written.count(bit)) { if (bits_written.count(bit)) {
new_output = true; new_output = true;
if (bits_tribuf.count(bit)) if (bits_tribuf.count(bit))