abc9_ops: use new 'design -delete' and 'select -unset'

2 files changed, 7 insertions, 16 deletions

diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 97ee57aaa..adb28189e 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -309,15 +309,10 @@ struct Abc9Pass : public ScriptPass
 				run("abc9_ops -prep_dff_unmap"); // create $abc9_unmap design
 				run("techmap -map %$abc9_map"); // techmap user design into submod + $_DFF_[NP]_
 				run("setattr -mod -set whitebox 1 -set abc9_flop 1 -set abc9_box 1 *_$abc9_flop");
-				if (!help_mode) {
-					// TODO: Need a way to delete saved designs?
-					auto it = saved_designs.find("$abc9_map");
-					delete it->second;
-					saved_designs.erase(it);
-					// TODO: Need a way to delete selections
-					active_design->selection_vars.erase(ID($abc9_flops));
-					active_design->selection_vars.erase(ID($abc9_cells));
-				}
+				run("design -delete $abc9");
+				run("design -delete $abc9_map");
+				run("select -unset $abc9_flops");
+				run("select -unset $abc9_cells");
 			}
 		}
 
@@ -423,12 +418,7 @@ struct Abc9Pass : public ScriptPass
 			if (dff_mode || help_mode) {
 				run("techmap -wb -map %$abc9_unmap", "(only if -dff)"); // techmap user design from submod back to original cell
 											//   ($_DFF_[NP]_ already shorted by -reintegrate)
-				if (!help_mode) {
-					// TODO: Need a way to delete saved designs?
-					auto it = saved_designs.find("$abc9_unmap");
-					delete it->second;
-					saved_designs.erase(it);
-				}
+				run("design -delete $abc9_unmap");
 			}
 		}
 	}
diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc
index c640d06f8..57f51503c 100644
--- a/passes/techmap/abc9_ops.cc
+++ b/passes/techmap/abc9_ops.cc
@@ -1204,7 +1204,8 @@ struct Abc9OpsPass : public Pass {
 		log("\n");
 		log("    -prep_dff_hier\n");
 		log("        derive all cells with a type instantiating an (* abc9_flop *) module.\n");
-		log("        store such modules in named selection '$abc9_flops'.\n");
+		log("        store such modules in named selection '$abc9_flops'. store one cell\n");
+		log("        instantiating each derived module into named selection '$abc9_cells'.\n");
 		log("\n");
 		log("    -prep_dff_map\n");
 		log("        within (* abc9_flop *) modules, move all $specify{2,3}/$specrule cells\n");