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-rw-r--r--passes/techmap/abc9_ops.cc9
1 files changed, 2 insertions, 7 deletions
diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc
index 04a54fd63..e1f6252f2 100644
--- a/passes/techmap/abc9_ops.cc
+++ b/passes/techmap/abc9_ops.cc
@@ -572,17 +572,12 @@ void reintegrate(RTLIL::Module *module)
log_assert(r.second);
}
- pool<IdString> delay_boxes;
std::vector<Cell*> boxes;
for (auto cell : module->cells().to_vector()) {
if (cell->has_keep_attr())
continue;
- if (cell->type.in(ID($_AND_), ID($_NOT_), ID($__ABC9_FF_)))
+ if (cell->type.in(ID($_AND_), ID($_NOT_), ID($__ABC9_FF_), ID($__ABC9_DELAY)))
module->remove(cell);
- else if (cell->type.begins_with("$paramod$__ABC9_DELAY\\DELAY=")) {
- delay_boxes.insert(cell->name);
- module->remove(cell);
- }
else if (cell->attributes.erase("\\abc9_box_seq"))
boxes.emplace_back(cell);
}
@@ -674,7 +669,7 @@ void reintegrate(RTLIL::Module *module)
bit_drivers[i].insert(mapped_cell->name);
}
}
- else if (delay_boxes.count(mapped_cell->name)) {
+ else if (mapped_cell->type == ID($__ABC9_DELAY)) {
SigBit I = mapped_cell->getPort(ID(i));
SigBit O = mapped_cell->getPort(ID(o));
if (I.wire)