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-rw-r--r--src/aig/gia/giaFx.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/aig/gia/giaFx.c b/src/aig/gia/giaFx.c
index c6eae6c7..032ae5fc 100644
--- a/src/aig/gia/giaFx.c
+++ b/src/aig/gia/giaFx.c
@@ -460,7 +460,11 @@ Gia_Man_t * Gia_ManPerformFx( Gia_Man_t * p, int nNewNodesMax, int LitCountMax,
Vec_Wec_t * vCubes;
Vec_Str_t * vCompl;
if ( Gia_ManAndNum(p) == 0 )
- return Gia_ManDup(p);
+ {
+ pNew = Gia_ManDup(p);
+ Gia_ManTransferTiming( pNew, p );
+ return pNew;
+ }
// abctime clk;
assert( Gia_ManHasMapping(p) );
// collect information