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-rwxr-xr-xbackends/btor/verilog2btor.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/backends/btor/verilog2btor.sh b/backends/btor/verilog2btor.sh
index 1c537d5b..dfd7f1a8 100755
--- a/backends/btor/verilog2btor.sh
+++ b/backends/btor/verilog2btor.sh
@@ -22,7 +22,7 @@ hierarchy -top $3;
hierarchy -libdir $DIR;
hierarchy -check;
proc;
-opt; opt_const -mux_undef; opt;
+opt; opt_expr -mux_undef; opt;
rename -hide;;;
#techmap -map +/pmux2mux.v;;
splice; opt;