cgt: Fix memory leak, remove redundant ABC calls

Signed-off-by: Krzysztof Bieganski <[email protected]>

Author: kbieganski

src/cgt/src/ClockGating.cpp

@@ -375,13 +375,6 @@ void ClockGating::run()
   abc_factory_->AddDbSta(sta_);
   abc_library_ = std::make_unique<cut::AbcLibrary>(abc_factory_->Build());
 
-  abc::Abc_SclInstallGenlib(abc_library_->abc_library(),
-                            /*Slew=*/0,
-                            /*Gain=*/0,
-                            /*fUseAll=*/0,
-                            /*nGatesMin=*/0);
-  abc::Mio_LibraryTransferCellIds();
-
   dump("pre");
 
   std::vector<sta::Instance*> instances;

src/cgt/test/aes_nangate45.ok

@@ -3,8 +3,6 @@
 [WARNING CUT-0021] Leakage power doesn't exist for cell LOGIC0_X1
 [WARNING CUT-0021] Leakage power doesn't exist for cell LOGIC1_X1
 Derived GENLIB library "NangateOpenCellLibrary" with 92 gates.
-Warning: Detected 2 multi-output gates (for example, "FA_X1").
-SC library cannot be found.
 [INFO CGT-0003] Clock gating instance 0/562
 [INFO CGT-0004] Accepted clock enable '_13148_ | _04712_ | _04712_ | _00499_ | _05106_ | _05208_' for instance dcnt\[0\]$_SDFFE_PN0P_
 [INFO CGT-0004] Accepted clock enable '_13151_ | _11055_ | _07150_ | _09231_ | _11144_ | _05152_ | _07152_ | _04670_' for instance ld_r$_DFF_P_

src/cgt/test/countdown_asap7.ok

@@ -11,8 +11,6 @@
 [INFO ODB-0227] LEF file: asap7/asap7_tech_1x_201209.lef, created 30 layers, 9 vias
 [INFO ODB-0227] LEF file: asap7/asap7sc7p5t_28_R_1x_220121a.lef, created 212 library cells
 Derived GENLIB library "asap7sc7p5t_AO_RVT_FF_nldm_211120" with 169 gates.
-Warning: Detected 2 multi-output gates (for example, "FAx1_ASAP7_75t_R").
-SC library cannot be found.
 [INFO CGT-0003] Clock gating instance 0/3
 [INFO CGT-0004] Accepted clock enable '_05_ | _02_ | _01_ | _10_ | _03_' for instance val\[0\]$_DFF_PP1_
 No differences found.

src/cgt/test/ibex_sky130hd.ok

@@ -1,8 +1,6 @@
 [INFO ODB-0227] LEF file: sky130hd/sky130hd.tlef, created 13 layers, 25 vias
 [INFO ODB-0227] LEF file: sky130hd/sky130hd_std_cell.lef, created 437 library cells
 Derived GENLIB library "sky130_fd_sc_hd__ss_n40C_1v40" with 317 gates.
-Warning: Detected 9 multi-output gates (for example, "sky130_fd_sc_hd__fa_1").
-SC library cannot be found.
 [INFO CGT-0003] Clock gating instance 0/946
 [INFO CGT-0004] Accepted clock enable 'ex_block_i.gen_multdiv_fast.multdiv_i.md_state_q\[5\] | _03749_ | _03000_ | _04094_ | _03636_ | _04093_' for instance _20290_
 [INFO CGT-0004] Accepted clock enable 'cs_registers_i.mcountinhibit_q\[0\] | _05037_ | _04531_ | _04533_ | _04495_ | _04405_ | _05854_ | _04404_' for instance cs_registers_i.mcountinhibit_q\[0\]$_DFFE_PN0P_