added an option -L to %pdra for limiting the number of muxes

1 files changed, 14 insertions, 2 deletions

diff --git a/src/base/wlc/wlcCom.c b/src/base/wlc/wlcCom.c
index 99105e39..0528b4c4 100644
--- a/src/base/wlc/wlcCom.c
+++ b/src/base/wlc/wlcCom.c
@@ -462,7 +462,7 @@ int Abc_CommandPdrAbs( Abc_Frame_t * pAbc, int argc, char ** argv )
     int c;
     Wlc_ManSetDefaultParams( pPars );
     Extra_UtilGetoptReset();
-    while ( ( c = Extra_UtilGetopt( argc, argv, "AMXFIabcpmxvwh" ) ) != EOF )
+    while ( ( c = Extra_UtilGetopt( argc, argv, "AMXFILabcpmxvwh" ) ) != EOF )
     {
         switch ( c )
         {
@@ -521,6 +521,17 @@ int Abc_CommandPdrAbs( Abc_Frame_t * pAbc, int argc, char ** argv )
             if ( pPars->nIterMax < 0 )
                 goto usage;
             break;
+        case 'L':
+            if ( globalUtilOptind >= argc )
+            {
+                Abc_Print( -1, "Command line switch \"-L\" should be followed by an integer.\n" );
+                goto usage;
+            }
+            pPars->nMuxLimit = atoi(argv[globalUtilOptind]);
+            globalUtilOptind++;
+            if ( pPars->nMuxLimit < 0 )
+                goto usage;
+            break;
         case 'a':
             pPars->fPdra ^= 1;
             break;
@@ -559,13 +570,14 @@ int Abc_CommandPdrAbs( Abc_Frame_t * pAbc, int argc, char ** argv )
     Wlc_NtkPdrAbs( pNtk, pPars );
     return 0;
 usage:
-    Abc_Print( -2, "usage: %%pdra [-AMXFI num] [-abcpmxvwh]\n" );
+    Abc_Print( -2, "usage: %%pdra [-AMXFIL num] [-abcpmxvwh]\n" );
     Abc_Print( -2, "\t         abstraction for word-level networks\n" );
     Abc_Print( -2, "\t-A num : minimum bit-width of an adder/subtractor to abstract [default = %d]\n", pPars->nBitsAdd );
     Abc_Print( -2, "\t-M num : minimum bit-width of a multiplier to abstract [default = %d]\n",        pPars->nBitsMul );
     Abc_Print( -2, "\t-X num : minimum bit-width of a MUX operator to abstract [default = %d]\n",      pPars->nBitsMux );
     Abc_Print( -2, "\t-F num : minimum bit-width of a flip-flop to abstract [default = %d]\n",         pPars->nBitsFlop );
     Abc_Print( -2, "\t-I num : maximum number of CEGAR iterations [default = %d]\n",                   pPars->nIterMax );
+    Abc_Print( -2, "\t-L num : maximum number of muxes [default = %d]\n",                              pPars->nMuxLimit );
     Abc_Print( -2, "\t-x     : toggle XORing outputs of word-level miter [default = %s]\n",            pPars->fXorOutput? "yes": "no" );
     Abc_Print( -2, "\t-a     : toggle running pdr with -nct [default = %s]\n",                         pPars->fPdra? "yes": "no" );
     Abc_Print( -2, "\t-b     : toggle using proof-based refinement [default = %s]\n",                  pPars->fProofRefine? "yes": "no" );