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-rw-r--r--src/aig/saig/saigRetMin.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/aig/saig/saigRetMin.c b/src/aig/saig/saigRetMin.c
index 3935db6c..0ad6c314 100644
--- a/src/aig/saig/saigRetMin.c
+++ b/src/aig/saig/saigRetMin.c
@@ -622,7 +622,7 @@ Aig_Man_t * Saig_ManRetimeMinArea( Aig_Man_t * p, int nMaxIters, int fForwardOnl
Vec_Ptr_t * vCut;
Aig_Man_t * pNew, * pTemp, * pCopy;
int i, fChanges;
- pNew = Aig_ManDup( p );
+ pNew = Aig_ManDupSimple( p );
// perform several iterations of forward retiming
fChanges = 0;
if ( !fBackwardOnly )
@@ -672,7 +672,7 @@ Aig_Man_t * Saig_ManRetimeMinArea( Aig_Man_t * p, int nMaxIters, int fForwardOnl
{
if ( Saig_ManRegNum(pNew) == 0 )
break;
- pCopy = Aig_ManDup( pNew );
+ pCopy = Aig_ManDupSimple( pNew );
pTemp = Saig_ManRetimeMinAreaBackward( pCopy, fVerbose );
Aig_ManStop( pCopy );
if ( pTemp == NULL )