LibertyCell::isBuffer prune level shifters

2021-01-22 20:40:02 -07:00 · 2021-01-22 20:40:02 -07:00 · d22358fc3c
parent 00bc28a1c9
commit d22358fc3c
1 changed files with 2 additions and 1 deletions
--- a/liberty/Liberty.cc
+++ b/liberty/Liberty.cc
@ -1058,7 +1058,8 @@ LibertyCell::isBuffer() const
  LibertyPort *output;
  bufferPorts(input, output);
  return input && output
-    && hasBufferFunc(input, output);
+    && hasBufferFunc(input, output)
+    && !is_level_shifter_;
 }

 bool