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Fixed #995 (new topcell after load) (#1000)

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Matthias Köfferlein 2022-02-12 16:51:01 +01:00 committed by GitHub
parent d764adb101
commit 60aab8b3fd
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1 changed files with 7 additions and 0 deletions
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7
src/db/db/dbCommonReader.cc
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@ -286,6 +286,8 @@ CommonReader::read (db::Layout &layout, const db::LoadLayoutOptions &options)
{
init (options);
tl_assert (!layout.under_construction ());
m_common_options.layer_map.prepare (layout);
layout.start_changes ();
@ -298,6 +300,11 @@ CommonReader::read (db::Layout &layout, const db::LoadLayoutOptions &options)
throw;
}
// A cleanup may be necessary because of the following scenario: if library proxies contain subcells
// which are proxies itself, the proxy update may make them orphans (the proxies are regenerated).
// The cleanup will removed these.
layout.cleanup ();
return m_layer_map_out;
}