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abc9: make re-entrant (#2993)

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* Add testcase

* Cleanup some state at end of abc9

* Re-assign abc9_box_id from scratch

* Suppress delete unless prep_bypass did something
This commit is contained in:
Eddie Hung 2021-09-09 10:06:31 -07:00 • committed by GitHub
parent 65316ec926
commit 96b6410dcb
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3 changed files with 29 additions and 9 deletions
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11
passes/techmap/abc9_ops.cc
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@ -432,6 +432,8 @@ void prep_bypass(RTLIL::Design *design)
}
}
unmap_module->fixup_ports();
design->scratchpad_set_bool("abc9_ops.prep_bypass.did_something", true);
}
}
@ -942,15 +944,8 @@ void prep_box(RTLIL::Design *design)
{
TimingInfo timing;
std::stringstream ss;
int abc9_box_id = 1;
for (auto module : design->modules()) {
auto it = module->attributes.find(ID::abc9_box_id);
if (it == module->attributes.end())
continue;
abc9_box_id = std::max(abc9_box_id, it->second.as_int());
}
std::stringstream ss;
dict<IdString,std::vector<IdString>> box_ports;
for (auto module : design->modules()) {
auto it = module->attributes.find(ID::abc9_box);